ADDENDUM TO SAFETY DATA SHEETS

ADDENDUM TO SAFETY DATA SHEETS This addendum is part of the s referred to below. This addendum should be stored with and read in conjunction with the Safety Data Sheets. Product Description Product Name: Recommended Use: Manufacturer: Australian Supplier: ENV2.96 Backpack Lab Water Test Kit Water Testing Hanna Instruments Inc. 584 Park East Drive, Woonsocket, Rhode Island, USA 02895 Southern Biological 1/44 Rushdale Street, Knoxfield, Victoria, 3180 www.southernbiological.com Phone: (03) 9753-3896 Emergency Contacts: Southern Biological ph (03) 9753-3896 Date Issued 7 th September 2016 Document List Product Name Document Type Number of Pages ALKALIAZIDE Alkali Azide Reagent BROMOPHBLUE Bromophenol Blue Indicator CALMAGITE10 Calmagite Indicator DECHLORIN Dechlorinating Reagent HI3810-0 Dissolved Oxygen Titrant Solution HI3811-0 Reagent for Alkalinity Testing Continued Next Page SDS 5 SDS 3 SDS 3 SDS 3 SDS 3 SDS 3

Continued from previous page Product Name Document Type Number of Pages HI3812-0 SDS 3 HI 3812-0 EDTA Solution HI3818-0 SDS 3 Solution HI3820-0 SDS 3 Solution HI3833-0 SDS 3 Phosphate Reagent HI3874-0 SDS 5 Nitrate Reagent MANGANOUS SDS 3 Manganous Sulfate Solution R0009/12 SDS 4 Hardness Buffer Reagent SULPHURIC SDS 4 SULFURIC Acid Solution Phenolphthalein Indicator SDS 5

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance ALKALIAZIDE Alkali Azide Reagent SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: Alkali Azide Reagent Alkali Azide Reagent Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Harmful if swallowed. Contact with acids liberates very toxic gas. Causes severe burns. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Component: EC-No.: CAS-No.: Hazard: Phrases: Content: Sodium Hydroxide 215-185-5 1310-73-2 C R: 35 > 5% Sodium Azide 247-852-1 26628-22-8 T+; N R: 28-32-50/53 < 1.0% SECTION 4: FIRST AID MEASURES After Inhalation: If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. After Skin Contact: After Eye Contact: After Swallowing: General Information: In case of skin contact, flush with copious amounts of water for at least 15 minutes. Remove contaminated clothing and shoes. Call a physician. In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician. If swallowed, wash out mouth with water provided person is conscious. Call a physician immediately. Do not induce vomiting. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Dry chemical powder. Do NOT use water. Special Risks: Emits toxic fumes under fire conditions. Special Protective Equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Additional Information: Page 1 of 5

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES ALKALIAZIDE Alkali Azide Reagent Wear respirator, chemical safety goggles, rubber boots, and heavy rubber gloves. Environmental Precautions: Ventilate area and wash spill site after material pickup is complete. Absorb on sand or vermiculite and place in closed containers for disposal. Additional Notes: None SECTION 7: Handling: HANDLING AND STORAGE Storage: Directions for Safe Handling: Avoid inhalation. Avoid contact with eyes, skin, and clothing. Avoid prolonged or repeated exposure. Keep tightly closed. Store in a cool dry place. Do NOT allow contact with water. Page 2 of 5

SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION ALKALIAZIDE Alkali Azide Reagent Type Value Source Type Value Source Sodium Azide Ceiling 0.1 mg/m³ Belgium Ceiling 0.26 mg/m³ Canada (Ontario) Ceiling 0.3 mg/m³ Canada (Quebec) TWA (8hr) 0.1 mg/m³ France TWA (8hr) 0.2 mg/m³ Germany TWA (8hr) 0.3 mg/m³ Greece TWA (8hr) 0.1 mg/m³ Hungary TWA (8hr) 0.1 mg/m³ Italy TWA (8hr) 0.1 mg/m³ Netherlands TWA (8hr) 0.1 mg/m³ Poland TWA (8hr) 0.29 mg/m³ Portugal TWA (8hr) 0.1 mg/m³ Romania TWA (8hr) 0.1 mg/m³ Spain TWA (8hr) 0.1 mg/m³ UK Ceiling 0.29 mg/m³ USA (ACGIH) Sodium Hydroxide Ceiling 2 mg/m³ Belgium Ceiling 2 mg/m³ Canada (Ontario) Ceiling 2 mg/m³ Canada (Quebec) TWA (8hr) 2 mg/m³ France TWA (8hr) 2 mg/m³ Greece TWA (8hr) 2 mg/m³ Hungary TWA (8hr) 0.5 mg/m³ Poland Ceiling 2 mg/m³ Portugal TWA (8hr) 1 mg/m³ Romania Ceiling 2 mg/m³ Spain TWA (15min) 2 mg/m³ UK Ceiling 2 mg/m³ USA (ACGIH) TWA (8hr) 2 mg/m³ USA (OSHA) Engineering: Safety shower and eye bath. Use only in chemical fume hood. Personal Protective Equipment: Faceshield Respiratory Protection: Protective Gloves: Eye Protection: Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Industrial Hygiene: Compatible chemical-resistant gloves. Chemical safety goggles. Wash thoroughly after handling. Wash contaminated clothing before reuse. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Clear liquid Odor: Odorless Density at 20 C: 1.5 g/cm³ Melting Point: Boiling Point: >100 C Solubility: ph at 20 C: >14 Explosion Limit: Flash Point: Soluble Thermal Decomp.: Page 3 of 5

SECTION 10: STABILITY AND REACTIVITY Conditions to be Avoided: Air sensitive Hazardous Polymerization: Will not occur. Further Information: Hazardous Decomposition Products: Sodium Oxides Substances to be Avoided: ALKALIAZIDE Alkali Azide Reagent Water, acids, organic materials, chlorinated solvents, aluminum, phosphorus, tin/tin oxides, zinc, lead, copper. Not available SECTION 11: TOXICOLOGICAL INFORMATION Product Toxicity Quantitative data on the toxicity of this product is not available. Potential Health Effects: Inhalation: Skin Contact: Eye Contact: Ingestion: Material is extremely destructive to the tissue of the mucous membranes and upper respiratory tract. May be harmul if inhaled. Causes burns. Causes burns. Harmful if swallowed. Component Toxicity Acute Toxicity: Chronic Toxicity: Sodium Azide LC50: LD50: LD50: Inhalation - Rat - 37 mg/m³ Oral - Rat - 27 mg/kg Dermal - Rat - 50 mg/kg Additional Data: Irritation Data: Skin, Rabbit, 500 mg, 24hrs Remarks: Severe irritation effect. Eyes, Rabbit, 0.5 mg, 24 hours Remarks: Severe Irritation effect. SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. SECTION 13: Waste Disposal: DISPOSAL CONSIDERATIONS Contact a licensed professional waste disposal service to dispose of this material. Observe all federal, state, and local environmental regulations. Page 4 of 5

SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: ALKALIAZIDE Alkali Azide Reagent RID/ADR UN#: 1824 Class: 8 PG: II Proper Shipping Name: Sodium hydroxide, solution IMDG UN#: 1824 Class: 8 PG: II Proper Shipping Name: Sodium hydroxide, solution Marine Pollutant: No Severe Marine Pollutant: No Transport data applies to the COMPLETE KIT! Class: 8 PG: II Proper Shipping Name: Sodium hydroxide solution Inhalation Packing Group I: No SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Symbol: R-phrases: S-phrases: Contains: C: Corrosive Xn: Harmful 22-32-35-52/53: Harmful if swallowed. Contact with acids liberates very toxic gas. Causes severe burns. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 26-28-37/39-45-60-61: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. After contact with skin, wash immediately with plenty of water. Wear suitable gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). This material and/or its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions/safety data sheet. Sodium Azide Sodium Hydroxide SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend 28: Very toxic if swallowed. 32: Contact with acids liberates very toxic gas 35: Causes severe burns. 50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Revision Date: Supersedes edition of: Reason for revision: 2008-12-01 29 CFR 1910.1200 and SOR/88-66 Compliance : Not Applicable ND: Not Determined THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 5 of 5

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance BROMOPHBLUE Bromophenol Blue Indicator SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: Bromophenol Blue Indicator Indicator for Titration Analysis Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Wash out mouth with plenty of water, provided person is conscious. Obtain medical attention if feeling unwell. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water spray, Carbon Dioxide, Dry Chemical Powder, Appropriate Foam Special Risks: Emits toxic fumes under fire conditions. Special Protective Equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Additional Information: SECTION 6: ACCIDENTAL RELEASE MEASURES Personal Precautions: Exercise appropriate precautions to minimize direct contact with skin or eyes and prevent inhalation of vapors/aerosols. Environmental Precautions: Additional Notes: Take up with liquid-absorbent material. Clean up affected area and dispose according to local regulation. Page 1 of 3

SECTION 7: Handling: HANDLING AND STORAGE Storage: BROMOPHBLUE Bromophenol Blue Indicator Avoid generation of vapors/aerosols. Do not inhale substance. Tightly closed. In a well-ventilated place at +15 to +25 C. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Safety shower and eye wash. Personal Protective Equipment: Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Work under hood. Industrial Hygiene: Rubber or plastic Goggles or face mask Change contaminated clothing. Wash hands thoroughly after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Dark liquid Odor: Odorless Density at 20 C: 1.00 g/cm³ Melting Point: Boiling Point: ~ 100 C Solubility: ph at 20 C: 4.2 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: STABILITY AND REACTIVITY Conditions to be Avoided: Heating Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide, Sulfur oxides, Hydrogen bromide gas. Substances to be Avoided: The generally known reaction partners of water Further Information: Not available SECTION 11: TOXICOLOGICAL INFORMATION Product Toxicity Quantitative data on the toxicity of this product is not available. Potential Health Effects: Further Data: Hazardous properties cannot be excluded, but are relatively unlikely because of the low concentration of the dissolved substances, when the product is handled appropriately. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: Page 2 of 3

SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: SECTION 13: Waste Disposal: BROMOPHBLUE Bromophenol Blue Indicator No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Can be safely disposed of as ordinary refuse. SECTION 14: ADR/RID: 9/UN 3316/PGIII Name : CHEMICAL KIT TRANSPORTATION INFORMATION Land: Sea: Air: IMDG: 9/UN 3316/PGIII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGIII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance CALMAGITE10 Calmagite Indicator SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: Calmagite Indicator Indicator Reagent Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Wash out mouth with plenty of water. Obtain medical attention if feeling unwell. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water spray, Carbon Dioxide, Dry Chemical Powder, Appropriate Foam. Special Risks: Non-combustible. Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Prevent fire-fighting water from entering surface water or groundwater. SECTION 6: ACCIDENTAL RELEASE MEASURES Personal Precautions: Take up with liquid-absorbent material. Clean up affected area and dispose according to local regulation. Environmental Precautions: Additional Notes: None Page 1 of 3

SECTION 7: Handling: HANDLING AND STORAGE Storage: CALMAGITE10 Calmagite Indicator Avoid generation of vapors/aerosols. Do not inhale substance. Tightly closed. In a well-ventilated place at +15 to +25 C. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Safety shower and eye wash. Personal Protective Equipment: Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Dark red liquid Odor: Pungent Density at 20 C: 1.00 g/cm³ Melting Point: Boiling Point: ~ 100 C Solubility: ph at 20 C: 2.5 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: STABILITY AND REACTIVITY Conditions to be Avoided: Heating Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide, Nitrogen oxides, Sulfur oxides. Substances to be Avoided: The generally known reaction partners of water Further Information: Not available SECTION 11: TOXICOLOGICAL INFORMATION Product Toxicity Quantitative data on the toxicity of this product is not available. Potential Health Effects: Further Data: Hazardous properties cannot be excluded, but are relatively unlikely because of the low concentration of the dissolved substances, when the product is handled appropriately. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: Page 2 of 3

SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: SECTION 13: Waste Disposal: CALMAGITE10 Calmagite Indicator No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: Not subject to transport regulations. Not subject to transport regulations. Not subject to transport regulations. SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance DECHLORIN Dechlorinating Reagent SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: Dechlorinating Reagent Determination of Acidity in Water Samples Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. Summon doctor if feeling unwell. Not available SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sulfur Dioxide Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES DECHLORIN Dechlorinating Reagent Do not inhale vapors/aerosols. Environmental Precautions: Additional Notes: Take up with liquid-absorbent material. Forward for disposal. Clean up affected area. SECTION 7: Handling: HANDLING AND STORAGE Storage: Cannot be stored indefinitely. Tightly closed. In a well-ventilated place. At +15 C to +25 C. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1.0 g/cm³ Melting Point: Boiling Point: > 100 C Solubility: ph at 20 C: 7 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: Heating In the event of fire: See section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. Strong oxidizing agents Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION Quantitative data on the toxicity of this product is not available. Potential Health Effects: Further Data: Component Toxicity DECHLORIN Dechlorinating Reagent Hazardous properties cannot be excluded but are unlikely when the product is handled appropriately. The product should be handled with the usual care when dealing with chemicals. Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: No ecological problems are to be expected when the product is handled and used with due care and attention. SECTION 13: DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: ADR/RID: 9/UN 3316/PGIII Name : CHEMICAL KIT TRANSPORTATION INFORMATION Land: Sea: Air: IMDG: 9/UN 3316/PGIII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGIII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3810-0 Dissolved Oxygen Titrant Solution SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3810-0 Dissolved Oxygen Titrant Solution Dissolved Oxygen via the Winkler Method Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. Summon doctor if feeling unwell. Not available SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sulfur Dioxide Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES HI 3810-0 Dissolved Oxygen Titrant Solution Do not inhale vapors/aerosols. Environmental Precautions: Additional Notes: Take up with liquid-absorbent material. Forward for disposal. Clean up affected area. SECTION 7: Handling: HANDLING AND STORAGE Storage: Cannot be stored indefinitely. Tightly closed. In a well-ventilated place. At +15 C to +25 C. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1.0 g/cm³ Melting Point: Boiling Point: > 100 C Solubility: ph at 20 C: 8.2 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: Heating In the event of fire: See section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. Strong oxidizing agents Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3810-0 Dissolved Oxygen Titrant Solution Quantitative data on the toxicity of this product is not available. Hazardous properties cannot be excluded but are unlikely when the product is handled appropriately. Potential Health Effects: Further Data: Component Toxicity The product should be handled with the usual care when dealing with chemicals. Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. No ecological problems are to be expected when the product is handled and used with due care and attention. SECTION 13: Waste Disposal: DISPOSAL CONSIDERATIONS Can be safely disposed of as ordinary refuse. SECTION 14: ADR/RID: 9/UN 3316/PGII Name: CHEMICAL KIT TRANSPORTATION INFORMATION Land: Sea: Air: IMDG: 9/UN 3316/PGII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3811-0 Reagent for Alkalinity Testing SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3811-0 Acid Solution Testing Alkalinity Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Immediately make victim drink plenty of water. Summon doctor if pain persists. Not available SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in the event of fire: Hydrochloric Acid Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES HI 3811-0 Reagent for Alkalinity Testing Do not inhale vapors/aerosols. Environmental Precautions: Additional Notes: Render harmless: neutralize with diluted sodium hydroxide solution or by throwing on lime, lime sand, or sodium carbonate. Procedures for cleaning / absorption: Take up with liquid-absorbent material. Forward for disposal. Clean up affected area. SECTION 7: Handling: HANDLING AND STORAGE Storage: Cannot be stored indefinitely. Tightly closed. In a well-ventilated place. At +15 C to +25 C. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1.0 g/cm³ Melting Point: Boiling Point: > 100 C Solubility: ph at 20 C: < 2 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: Heating In the event of fire: See section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. Metals Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3811-0 Reagent for Alkalinity Testing Quantitative data on the toxicity of this product are not available. Potential Health Effects: Skin Contact: Eye Contact: Further Data: Slight irritations. Slight irritations. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. No ecological problems are to be expected when the product is handled and used with due care and attention. SECTION 13: DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: ADR/RID: 9/UN 3316/PGIII Name: CHEMICAL KIT IMDG: 9/UN 3316/PGIII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGIII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3812-0 HI 3812-0 EDTA Solution SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3812-0 EDTA Solution Determination of hardness in water samples. Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Component: EC-No.: CAS-No.: Hazard: Phrases: Content: SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash off with plenty of water. Rinse out with water. wash out mouth thoroughly with Water and give plenty of water to drink. In severe cases obtain medical attention. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water spray, foam, dry powder or carbon dioxide. Special Risks: Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Non-combustible. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES HI 3812-0 HI 3812-0 EDTA Solution Do not inhale vapors. Avoid substance contact. Environmental Precautions: None. Additional Notes: None SECTION 7: Handling: HANDLING AND STORAGE Storage: No further requirements. Tightly closed. Store at room temperature (+15 to +25 C recommended). Protect from light and moisture. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Work under hood. Industrial Hygiene: Rubber or plastic Goggles or face mask Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Liquid Odor: Odorless Density at 20 C: 1 g/cm³ Melting Point: Boiling Point: Solubility: ph at 20 C: 4.5 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: Strong heating. In the event of fire: see section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. The generally known reaction partners of water. Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3812-0 HI 3812-0 EDTA Solution Quantitative data on the toxicity of this product are not available. Potential Health Effects: Inhalation: Skin Contact: Eye Contact: Ingestion: Further Data: Slight irritations. Slight irritations. Slight irritations. disturbed electrolyte balance, severe irritations in esophagus and stomach, bloody vomiting. After absorption in large amounts: drop in blood pressure, paralysis symptoms, agitation. Further hazardous properties cannot be excluded. The product should be handled with the care usual when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product are not available. Further Data: SECTION 13: No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: Not subject to transport regulations. Not subject to transport regulations. Not subject to transport regulations. SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3818-0 Solution SECTION 1: Product Name: Application: IDENTIFICATION OF THE PRODUCT AND COMPANY HI 3818-0 Solution Determination of Carbon Dioxide in Water Samples Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Wash out mouth with plenty of water, provided person is conscious. Obtain medical attention if feeling unwell. Not available SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sodium Oxides Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES HI 3818-0 Solution None Environmental Precautions: None Additional Notes: None SECTION 7: Handling: No restrictions HANDLING AND STORAGE Storage: Keep container closed and protected from direct sunlight. Store at room temperature (+15 C to +25 C). SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1 g/cm³ Melting Point: Boiling Point: 100 C Solubility: ph at 20 C: > 12 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Strong Heating (above boiling point). Stable in the recommended storage conditions. Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: In the event of fire: See section 5. Substances to be Avoided: The generally known reaction partners of water Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3818-0 Solution Quantitative data on the toxicity of this product is not available. Potential Health Effects: Skin Contact: Eye Contact: Further Data: Slight irritations. Slight irritations. Hazardous properties cannot be excluded, but are relatively improbable due to the low concentration of the dissolved substance. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: SECTION 13: No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: ADR/RID: 9/UN 3316/PGII Name: CHEMICAL KIT IMDG: 9/UN 3316/PGII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3820-0 Solution SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3820-0 Solution Determination of Acidity in Water Samples Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Aqueous Solution SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Wash out mouth with plenty of water, provided person is conscious. Obtain medical attention if feeling unwell. Not available SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sodium Oxides Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES HI 3820-0 Solution None Environmental Precautions: None Additional Notes: None SECTION 7: Handling: No restrictions HANDLING AND STORAGE Storage: Keep container closed and protected from direct sunlight. Store at room temperature (+15 C to +25 C). SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1 g/cm³ Melting Point: Boiling Point: 100 C Solubility: ph at 20 C: > 12 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Strong Heating (above boiling point). Stable in the recommended storage conditions. Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: In the event of fire: See section 5. Substances to be Avoided: The generally known reaction partners of water Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3820-0 Solution Quantitative data on the toxicity of this product is not available. Potential Health Effects: Skin Contact: Eye Contact: Further Data: Slight irritations. Slight irritations. Hazardous properties cannot be excluded, but are relatively improbable due to the low concentration of the dissolved substance. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: SECTION 13: No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: ADR/RID: 9/UN 3316/PGII Name: CHEMICAL KIT IMDG: 9/UN 3316/PGII Name: CHEMICAL KIT Marine pollutant: no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PGII Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3833-0 Phosphate Reagent SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3833-0 Phosphate Reagent Determination of Phosphate in Water Samples Additional Product Codes: HI 3833-050 Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Mixture of Crystalline Powders SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with plenty of water. Remove contaminated clothing. Rinse out with plenty of water. If pain persists, summon medical advice. Drink plenty of water, induce vomiting. Obtain medical attention if feeling unwell. Remove contaminated, soaked clothing immediately and dispose of safely. SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water spray, Carbon Dioxide, Dry Chemical Powder, Appropriate Foam. Special Risks: Non-combustible. Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Prevent fire-fighting water from entering surface water or groundwater. SECTION 6: ACCIDENTAL RELEASE MEASURES Personal Precautions: Avoid generation of dusts. Do not inhale dusts. Environmental Precautions: Do not discharge into the drains/surface waters/groundwater. Additional Notes: Take up dry. Clean up affected area and dispose according to local regulation. Page 1 of 3

SECTION 7: Handling: HANDLING AND STORAGE Storage: HI 3833-0 Phosphate Reagent No further requirements. Accessible only for authorized persons. Store at room temperature (+15 to +25 C recommended). Tightly closed. Protect from light and moisture. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when dusts are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: White powder Odor: Odorless Density at 20 C: ND Melting Point: ND Boiling Point: Solubility: ph at 20 C: ~ 1.5 at 20 g/l in water Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: ND In the event of fire: See section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. ND Further Information: Stable in the recommended storage conditions. SECTION 11: TOXICOLOGICAL INFORMATION Product Toxicity Quantitative data on the toxicity of this product is not available. Potential Health Effects: Skin Contact: Eye Contact: Ingestion: Further Data: Possibility of slight irritations. Possibility of slight irritations. Possible symptoms: nausea, vomiting, gastrointestinal and mouth pain, diarrhea. No toxic effects are to be expected when the product is handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Chronic Toxicity: Additional Data: Page 2 of 3

SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: SECTION 13: Waste Disposal: SECTION 14: HI 3833-0 Phosphate Reagent No ecological problems are to be expected when the product is handled and used with due care and attention. DISPOSAL CONSIDERATIONS Chemical residues are generally classified as special waste and thus covered by local regulations. Contact local authorities or disposal companies for advice. Handle contaminated packaging in the same way as the substance itself. TRANSPORTATION INFORMATION Land: Sea: Air: Not subject to transport regulations Not subject to transport regulations Not subject to transport regulations SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. S-phrases: 22-24/25: Do not breathe dust. Avoid contact with skin and eyes. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance HI 3874-0 Nitrate Reagent SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3874-0 Nitrate Reagent Determination of Nitrite in Water Samples Additional Product Codes: HI 3874-100 Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Toxic by inhalation. May cause sensitisation by skin contact. May cause cancer. Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Possible risk of irreversible effects. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Component: Sulfanilic Acid Cadmium Powder Copper Sulfate EC-No.: 204-482-5 231-152-8 231-847-6 CAS-No.: 121-57-3 7440-43-9 7758-99-8 Hazard: Phrases: Content: Xi R: 36/38-43 > 1% - < 10% T+, N, Carc. Cat.2, Muta. Cat. 3, Repr. Cat. 3 R: 26-45-48/23/25-50/53-62-63-68 N, Xn, Xi R: 22-36/38-50-53 > 0.1% - < 1% > 2.5% - < 10% SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Give oxygen if breathing is difficult. If pain persists summon medical advice. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with plenty of water. Remove contaminated clothing. Rinse out with plenty of water. If pain persists, summon medical advice. Wash out mouth thoroughly with water, if person is conscious. Immediately obtain medical attention. Remove contaminated, soaked clothing immediately and dispose of safely. Page 1 of 5

SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Carbon Dioxide, Dry Chemical Powder HI 3874-0 Nitrate Reagent Special Risks: Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sulfur Oxides, Nitrogen Oxides Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Prevent fire-fighting water from entering surface water or groundwater. SECTION 6: ACCIDENTAL RELEASE MEASURES Personal Precautions: Avoid substance contact. Avoid inhalation of dusts in all circumstances. Environmental Precautions: Do not allow to enter sewerage system. Additional Notes: Procedures for cleaning / absorption: Take up dry. Forward for disposal. Clean up affected area. Avoid generation of dusts. SECTION 7: Handling: HANDLING AND STORAGE Storage: Avoid generation of dusts. Do not inhale substance. Accessible only for authorized persons. Store at room temperature (+15 to +25 C). Tightly closed in a dry and well-ventilated place. Protect from moisture. Page 2 of 5

SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION HI 3874-0 Nitrate Reagent Type Value Source Type Value Source Cadmium Powder TWA (8hr) 0.010 mg/m³ Belgium TWA (8hr) 0.01 mg/m³ Canada (Ontario) TWA (8hr) 0.025 mg/m³ Canada (Quebec) TWA (8hr) 0.050 mg/m³ France TWA (8hr) 0.025 mg/m³ Greece TWA (8hr) 0.015 mg/m³ Hungary TWA (8hr) 0.010 mg/m³ Poland TWA (8hr) 0.010 mg/m³ Portugal TWA (8hr) 0.050 mg/m³ Romania TWA (8hr) 0.002 mg/m³ Spain TWA (8hr) 0.025 mg/m³ UK TWA (8hr) 0.010 mg/m³ USA (ACGIH) TWA (8hr) 0.005 mg/m³ USA (OSHA) Copper Sulfate Pentahydrate TWA (8hr) 0.1 mg (Cu)/m³ Netherlands Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when dusts are generated. Work under hood. Industrial Hygiene: Rubber or plastic Goggles or face mask Change contaminated clothing. Application of skin-protective barrier cream recommended. Wash hands after working with substance. Avoid generation of dusts. Under no circumstances eat or drink at workplace. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Grey powder Odor: Odorless Density at 20 C: ND Melting Point: ND Boiling Point: Solubility: ph at 20 C: 3.1 at 6 g/l Explosion Limit: Flash Point: Partially Soluble Thermal Decomp.: SECTION 10: STABILITY AND REACTIVITY Conditions to be Avoided: Strong Heating Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: Toxic gases or vapors in the event of fire. Substances to be Avoided: Oxidizing agents, acids Further Information: Not available Page 3 of 5

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION HI 3874-0 Nitrate Reagent Quantitative data on the toxicity of this product is not available. Potential Health Effects: Inhalation: Skin Contact: Eye Contact: Ingestion: Further Data: Irritation symptoms in the respiratory tract. Slight irritations. May cause sensitization. Slight irritations. Nausea, vomiting, diarrhea. Further hazardous properties cannot be excluded. The product should be handled with particular care. Systemic effects: after absorption of large quantities: tiredness, agitation, spasms, ataxia, drop in temperature. Component Toxicity Acute Toxicity: Cadmium Powder LC50: Inhalation - Rat - 25 mg/m³ LD50: Oral - Rat - 225 mg/kg Copper Sulfate Pentahydrate Chronic Toxicity: Cadmium Powder OSHA: Cancer Hazard NTP: Known to be carcinogenic to humans IARC Group 1: Carcinogenic to humans LD50: Oral - Rat - 300 mg/kg Sulfanilic Acid LD50: Oral - Rat - 12300 mg/kg Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. APPLICABLE TO PARTIAL COMPONENT: may contribute to the eutrophication of drinking-water supplies.the following applies to cadmium compounds in general: degradability: biodegradability 0; biological effects: fish: L. macrochirus 96 h. LDLo: 1.94 mg/l; C. auratus 8.5 h. toxic as from 0.0165 mg/l; bacteria: E. coli toxic as from 0.15 mg/l; arthropods: Daphnia toxic as from 0.1 mg/l; Daphnia magna toxic as from 0.0026 mg/l; protozoa: toxic as from 0.2 mg/l; algae: Sc. quadricauda toxic as from 0.1 mg/l; hazard for drinking water. SECTION 13: Waste Disposal: SECTION 14: DISPOSAL CONSIDERATIONS Chemical residues are generally classified as special waste and thus covered by local regulations. Contact local authorities or disposal companies for advice. Handle contaminated packaging in the same way as the substance itself. TRANSPORTATION INFORMATION Land: Sea: Air: ADR/RID: 9, II UN-No. : 3316 Name : CHEMICAL KIT IMDG: 9/UN 3316/PG II Name : CHEMICAL KIT Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/UN 3316/PG II Name: CHEMICAL KIT Page 4 of 5

SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: HI 3874-0 Nitrate Reagent Symbol: R-phrases: S-phrases: Contains: T: Toxic N: Dangerous for the environment 23-43-45-48/23/25-51/53-68: Toxic by inhalation. May cause sensitisation by skin contact. May cause cancer. Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Possible risk of irreversible effects. 36/37-45-53-60-61: Wear suitable protective clothing and gloves. In case of accident or if you feel unwell, seek medical advice immediately (show label where possible). Avoid exposure - obtain special instruction before use. This material and its container must be disposed of as hazardous waste. Avoid release to the environment. Refer to special instructions / Safety data sheets. Sulfanilic acid, Cadmium powder SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend 22: Harmful if swallowed. 26/27/28: Very toxic by inhalation, in contact with skin and if swallowed. 36/38: Irritating to eyes and skin. 43: May cause sensitization by skin contact. 45: May cause cancer. 48/23/25: Toxic: danger of serious damage to health by prolonged exposure through inhalation and if swallowed. 50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 62: Possible risk of impaired fertility. 63: Possible risk of harm to the unborn child. 68: Possible risk of irreversible effects. Revision Date: Supersedes edition of: Reason for revision: 2008-12-01 29 CFR 1910.1200 and SOR/88-66 Compliance : Not Applicable ND: Not Determined THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 5 of 5

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance MANGANOUS Manganous Sulfate Solution SECTION 1: Product Name: Application: IDENTIFICATION OF THE PRODUCT AND COMPANY Manganous Sulfate Solution Determination of dissolved oxygen in water samples Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: Component: EC-No.: CAS-No.: Hazard: Phrases: Content: COMPOSITION AND COMPONENT INFORMATION Manganous Sulfate Monohydrate - 10034-96-5 - - > 15 % - < 30 % SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Call a physician if breathing becomes difficult. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with water and soap. Rinse out with plenty of water for at least 15 minutes. If pain persists, summon medical advice. Wash out mouth with plenty of water, provided person is conscious. Obtain medical attention if feeling unwell. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water Spray, Foam, Dry Powder, Carbon Dioxide Special Risks: Non-combustible. Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Contain escaping vapors with water. Page 1 of 3

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES MANGANOUS Manganous Sulfate Solution None Environmental Precautions: None Additional Notes: None SECTION 7: Handling: No restrictions HANDLING AND STORAGE Storage: Keep container closed and protected from direct sunlight. Store at room temperature (+15 C to +25 C). SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Type Value Source Type Value Source Manganous Sulfate Monohydrate TWA (8hr) 5 mg (Mn)/m³ Canada (Quebec) TWA (8hr) 5 mg (Mn)/m³ Hungary TWA (8hr) 0.3 mg (Mn)/m³ Poland TWA (8hr) 0.2 mg (Mn)/m³ USA (ACGIH) TWA (8hr) 5 mg (Mn)/m³ USA (OSHA) Engineering: Maintain general industrial hygiene practice. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Rubber or plastic Goggles or face mask Industrial Hygiene: Change contaminated clothing. Wash hands after working with substance. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1.0 g/cm³ Melting Point: Boiling Point: > 100 C Solubility: ph at 20 C: ~ 7 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Strong Heating (above boiling point). Stable in the recommended storage conditions. Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: In the event of fire: See section 5. Substances to be Avoided: The generally known reaction partners of water Further Information: Not available Page 2 of 3

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION Quantitative data on the toxicity of this product is not available. Potential Health Effects: Further Data: Component Toxicity MANGANOUS Manganous Sulfate Solution Hazardous properties cannot be excluded, but are relatively unlikely because of the low concentration of the dissolved substances, when the product is handled appropriately. The product should be handled with the usual care when dealing with chemicals. Acute Toxicity: Chronic Toxicity: Additional Data: SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the ecological effect of this product is not available. Further Data: No ecological problems are to be expected when the product is handled and used with due care and attention. SECTION 13: DISPOSAL CONSIDERATIONS Waste Disposal: Can be safely disposed of as ordinary refuse. SECTION 14: TRANSPORTATION INFORMATION Land: Sea: Air: Not subject to transport regulations. Not subject to transport regulations. Not subject to transport regulations. SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 3 of 3

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance R0009/12 Hardness Buffer Reagent SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: HI 3812 Hardness Buffer Reagent Determination of Hardness in Water Samples Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: HAZARD IDENTIFICATION Non-hazardous product as specified in Directives 67/548/EEC and 1999/45/EC. Non-hazardous product as specified in. Non-hazardous product as specified in. SECTION 3: Component: EC-No.: CAS-No.: Hazard: Phrases: Content: COMPOSITION AND COMPONENT INFORMATION Sodium Carbonate 207-838-8 497-19-8 Xi R:36 > 1% - < 5% SECTION 4: After Inhalation: After Skin Contact: FIRST AID MEASURES If inhaled, remove to fresh air. If breathing becomes difficult, call a physician. In case of contact, immediately wash skin with soap and copious amounts of water. After Eye Contact: After Swallowing: General Information: In case of contact with eyes, flush with copious amounts of water for at least 15 minutes. Assure adequate flushing by separating the eyelids with fingers. Call a physician. If swallowed, wash out mouth with water provided person is conscious. Call a physician. Not available SECTION 5: FIRE-FIGHTING MEASURES Suitable Extinguishing Media: Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Special Risks: Emits toxic fumes under fire conditions. Special Protective Equipment: Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes. Additional Information: Page 1 of 4

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES R0009/12 Hardness Buffer Reagent None Environmental Precautions: Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete. Additional Notes: None SECTION 7: Handling: HANDLING AND STORAGE Storage: Avoid inhalation. Avoid contact with eyes, skin, and clothing. Avoid prolonged or repeated exposure. Keep tightly closed. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Type Value Source Type Value Source Sodium Carbonate, Anhydrous TWA (8hr) 1 mg/m³ Romania Engineering: Safety shower and eye bath. Mechanical exhaust required. Personal Protective Equipment: As appropriate to quantity handled. Respiratory Protection: Protective Gloves: Eye Protection: Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Respiratory protection is not required. Where protection is desired, use multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges. Industrial Hygiene: Wash thoroughly after handling. Protective gloves. Chemical safety goggles. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Liquid Odor: Odorless Density at 20 C: 1 g/cm³ Melting Point: Boiling Point: > 100 C Solubility: ph at 20 C: ~7 Explosion Limit: Flash Point: Soluble Thermal Decomp.: SECTION 10: STABILITY AND REACTIVITY Conditions to be Avoided: None Hazardous Polymerization: Will not occur. Hazardous Decomposition Products: Carbon monoxide, Carbon dioxide. Substances to be Avoided: Strong oxidizing agents. Further Information: Not available Page 2 of 4

SECTION 11: Product Toxicity TOXICOLOGICAL INFORMATION R0009/12 Hardness Buffer Reagent Toxicological properties have not been thoroughly investigated. Potential Health Effects: Skin Contact: Eye Contact: Ingestion: May cause skin irritation. May be harmful if absorbed through the skin. May cause eye irritation. May be harmful if swallowed. Component Toxicity Acute Toxicity: Chronic Toxicity: Sodium Carbonate, Anhydrous LC50: LD50: Inhalation - Rat - 4066 mg/l Oral - Rat - 4090 mg/kg Additional Data: SECTION 12: ECOLOGICAL INFORMATION No data available. SECTION 13: Waste Disposal: SECTION 14: DISPOSAL CONSIDERATIONS Contact a licensed professional waste disposal service to dispose of this material. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Observe all federal, state, and local environmental regulations. TRANSPORTATION INFORMATION Land: Sea: Air: Not subject to transport regulations. Not subject to transport regulations. Not subject to transport regulations. SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Non-hazardous according to Directives 67/548/EEC and 1999/45/EC. S-phrases: 22-26: Do not breath dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Page 3 of 4

SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 36: Irritating to eyes Revision Information Revision Date: Supersedes edition of: Reason for revision: 2008-12-01 29 CFR 1910.1200 and SOR/88-66 Compliance R0009/12 Hardness Buffer Reagent Legend : Not Applicable ND: Not Determined THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 4 of 4

Revision Date: Reason for Revision: 29 CFR 1910.1200 and SOR/88-66 Compliance SULPHURIC SULFURIC Acid Solution SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Application: SULFURIC Acid Solution Solution Used for Acidification Additional Product Codes: SULPHURIC.15 Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: Causes severe burns. HAZARD IDENTIFICATION SECTION 3: Component: EC-No.: CAS-No.: Hazard: Phrases: Content: COMPOSITION AND COMPONENT INFORMATION Sulfuric Acid 231-639-5 7664-93-9 C R: 35 > 25% - <51% SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. Summon doctor. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with plenty of water. Immediately remove contaminated clothing. Rinse out with plenty of water for at least 10 minutes. Immediately call in ophthalmologist. Drink plenty of water (if necessary several liters), avoid vomiting (risk of perforation!). Immediately seek medical advice. Do not attempt to neutralize. Remove contaminated, soaked clothing immediately and dispose of safely. SECTION 5: Suitable Extinguishing Media: FIRE-FIGHTING MEASURES Water spray, Carbon Dioxide, Dry Chemical Powder, Appropriate Foam. Special Risks: Non-combustible. Hydrogen may form upon contact with metals (danger of explosion!). Development of hazardous combustion gases or vapors possible in the event of fire. The following may develop in event of fire: Sulfur Oxides Special Protective Equipment: Do not stay in dangerous zone without suitable chemical protection clothing and self-contained breathing apparatus. Additional Information: Product itself is non-combustible. Cool container with spray water from a safe distance. Contain escaping vapors with water. Fire residues and contaminated firefighting water must be disposed of in accordance with the local regulations. Page 1 of 4

SECTION 6: Personal Precautions: ACCIDENTAL RELEASE MEASURES SULPHURIC SULFURIC Acid Solution Take up with liquid-absorbent material. Clean up affected area and dispose according to local regulation. Environmental Precautions: Do not discharge into the drains/surface waters/groundwater. Additional Notes: Render harmless: neutralize with diluted sodium hydroxide solution or by throwing on lime, lime sand, or sodium carbonate. SECTION 7: Handling: HANDLING AND STORAGE Storage: Avoid generation of vapors/aerosols. Do not inhale substance. Tightly closed. In a well-ventilated place at +15 to +25 C. Keep away from sources of ignition and heat. Accessible only for authorized persons. SECTION 8: EXPOSURE CONTROL/PERSOL PROTECTION Type Value Source Type Value Source Sulfuric Acid TWA (8hr) 1 mg/m³ Belgium TWA (8hr) 0.2 mg/m³ Canada (Ontario) TWA (8hr) 1 mg/m³ Canada (Quebec) TWA (8hr) 1 mg/m³ France TWA (8hr) 1 mg/m³ Greece TWA (8hr) 1 mg/m³ Hungary TWA (8hr) 0.5 mg/m³ Poland TWA (8hr) 0.2 mg/m³ Portugal TWA (8hr) 0.5 mg/m³ Romania TWA (8hr) 1 mg/m³ Spain TWA (8hr) 0.2 mg/m³ USA (ACGIH) TWA (8hr) 1 mg/m³ USA (OSHA) Engineering: Safety shower and eye wash. Personal Protective Equipment: Protective clothing should be selected specifically for the working place, depending on concentration and quantity of the hazardous substances handled. Respiratory Protection: Protective Gloves: Eye Protection: Required when vapors/aerosols are generated. Work under hood. Industrial Hygiene: Rubber or plastic Goggles or face mask Immediately change contaminated clothing and immerse in water. Apply skin-protective barrier cream. Wash hands and face after working with substance. Work under hood. Do not inhale substance. Avoid generation of vapors/aerosols. Under no circumstances eat or drink at workplace. SECTION 9: PHYSICAL/CHEMICAL PROPERTIES Appearance: Colorless liquid Odor: Odorless Density at 20 C: 1.29 g/cm³ Melting Point: Boiling Point: ND Solubility: ph at 20 C: < 0.5 Explosion Limit: Flash Point: Soluble (development of heat) Thermal Decomp.: > 338 C Page 2 of 4

SECTION 10: Conditions to be Avoided: STABILITY AND REACTIVITY Hazardous Decomposition Products: SULPHURIC SULFURIC Acid Solution Strong Heating In the event of fire: See section 5. Hazardous Polymerization: Substances to be Avoided: Will not occur. Further Information: Hygroscopic. Has a corrosive effect. Incompatible with metals Combustible substances, water, metals, metal alloys, alkali metals, alkali compounds, alkali hydroxides, alkali oxides, alkaline earth compounds, alkalis, ammonia, nitrates, sodium carbonate, lithium silicide, halogenhalogen compounds, salts of oxyhalogenic acids, bromates, chromates/perchromates, perchlorates, perchloric acid, permanganates, permanganic acid, organic nitro compounds, nonmetals, nonmetallic oxides, picrates, hydrogen peroxide, nitramide, mercury nitride, ammonium iron (III) sulfate dodecahydrate SECTION 11: TOXICOLOGICAL INFORMATION Product Toxicity Quantitative data on the toxicity of this product is not available. Potential Health Effects: Inhalation: Skin Contact: Eye Contact: Ingestion: Further Data: After inhalation of aerosols: damage to the affected mucous membranes. Severe burns with formation of scabs. Burns, corneal lesion. Severe pain (risk of perforation!), nausea, vomiting and diarrhea. The product should be handled with the usual care when dealing with chemicals. Component Toxicity Acute Toxicity: Sulfuric Acid Chronic Toxicity: Sulfuric Acid LC50: LD50: Inhalation - Rat - 510 mg/m³ Oral - Rat - 2140 mg/kg NTP: Known to be carcinogenic to humans Additional Data: APPLICABLE TO MAIN COMPONENT: The following applies to Sulfuric acid, as the pure substance: Specific symptoms in animal studies: Eye irritation test (rabbit): burns. Skin irritation test (rabbit): burns. Toxicological values are not available due to other dangerous properties of the substance. Subacute to chronic toxicity Applicable to partial component(s): Bacterial mutagenicity: Ames test: negative. No teratogenic effect in animal experiments. Page 3 of 4

SECTION 12: ECOLOGICAL INFORMATION Quantitative data on the toxicity of this product is not available. SULPHURIC SULFURIC Acid Solution APPLICABLE TO MAIN COMPONENT: The following applies to Sulfuric acid, as the pure substance: Biologic degradation: Methods for the determination of biodegradability are not applicable to inorganic substances. Behavior in environmental compartments: Concentration in organisms is not to be expected. Ecotoxic effects: Quantitative data on the ecological effect of this product are not available. Further ecologic data: The following applies to sulfuric acid: biological effects: harmful effect on aquatic organisms. Harmful effect due to ph shift. Toxic effect on fish and algae. Caustic even in diluted form. Does not cause biological oxygen deficit. Endangers drinking water supplies if allowed to enter soil and/or waters in large quantities. Neutralization possible in waste water treatment plants. Daphnia toxicity: Daphnia magna EC 50 : 29 mg/l/24 h (calculated on the pure substance). Further Data: SECTION 13: Waste Disposal: SECTION 14: DO NOT ALLOW TO ENTER WATERS, WASTE WATERS, OR SOIL! DISPOSAL CONSIDERATIONS Chemical residues are generally classified as special waste and thus covered by local regulations. Contact local authorities or disposal companies for advice. Handle contaminated packaging in the same way as the substance itself. TRANSPORTATION INFORMATION Land: Sea: Air: ADR/RID: 9/PG II/ UN3316 Name : CHEMICAL KIT IMDG: 9/PG II/ UN3316 Name: CHEMICAL KIT Marine pollutant: no Severe marine pollutant : no Transport data applies to the COMPLETE KIT! ICAO/IATA: 9/PG II/ UN3316 Name: CHEMICAL KIT SECTION 15: REGULATORY INFORMATION Labeling according to EC Directives: Symbol: R-phrases: S-phrases: Contains: C: Corrosive 35: Causes severe burns. 26-30-45: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Never add water to this product. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Sulfuric acid SECTION 16: OTHER INFORMATION Text of R-phrases under Section 3 Revision Information Legend 35: Causes severe burns. Revision Date: Supersedes edition of: 2008-12-01 : Not Applicable ND: Not Determined Reason for revision: 29 CFR 1910.1200 and SOR/88-66 Compliance THE INFORMATION CONTAINED HEREIN IS BASED ON THE PRESENT STATE OF OUR KNOWLEDGE. IT CHARACTERIZES THE PRODUCT WITH REGARD TO THE APPROPRIATE SAFETY PRECAUTIONS. IT DOES NOT REPRESENT A GUARANTEE OF THE PROPERTIES OF THE PRODUCT. Page 4 of 4

Phenolphthalein Indicator Revision Date: Reason for Revision: 2014-01-07 Section 14 Updated SECTION 1: IDENTIFICATION OF THE PRODUCT AND COMPANY Product Name: Phenolphthalein Indicator Application: Indicator Reagent for Titration Analysis Company Information (USA): Technical Service Contact Information: USA Emergency Contact Information: International Emergency Contact Information: E-mail Address: Hanna Instruments, Inc. 584 Park East Dr, Woonsocket, Rhode Island, USA 02895 1-800-426-6287 (8:30AM - 5:00PM ET) +1-401-766-4260 (8:30AM - 5:00PM ET) 1-800-424-9300 (Chemtrec 24Hr. Emergency) +1-703-527-3887 (Chemtrec 24Hr. Emergency) tech@hannainst.com SECTION 2: Flammable. May cause cancer. Pictograms: HAZARD IDENTIFICATION According to Regulation (EC) No. 1272/2008: Classification: Flammable Liquids (Category 3) Carcinogen (Category 1B) Signal Word: Danger Hazard Statements: Precaution Statements: H226: Flammable liquid and vapour. H350: May cause cancer. P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking. P281: Use personal protective equipment as required. According to Directives 67/548/EEC and 1999/45/EC: Symbol: T: Toxic R-phrases: 10-45: Flammable. May cause cancer. S-phrases: 7-16: Keep container tightly closed. Keep away from sources of ignition - No smoking. SECTION 3: COMPOSITION AND COMPONENT INFORMATION Component: EC No: CAS No: Hazard Class: Phrases: Concentration: Ethyl alcohol 200-578-6 64-17-5 Flam. Liq. 2 F H225 R: 11 > 40% - < 50% Phenolphthalein 201-004-7 77-09-8 Carc. 1B Muta. 2 Repr. 2 T H341, H350, H361 R: 45-62-68 > 0.1% - < 1% SECTION 4: FIRST AID MEASURES After Inhalation: Remove to fresh air. After Skin Contact: After Eye Contact: After Swallowing: General Information: Wash affected area with plenty of water. Remove contaminated clothing. Rinse out with plenty of water for at least 10 minutes. Obtain medical attention. Immediately make victim drink plenty of water. Summon doctor. Not available Page 1 of 5