2 COURSE TOPICS Introduction to the Laboratory Be aware of your surroundings The Lab Safety plan Good Lab Safety practices The MSDS and labeling Personal Protective Equipment Compressed gas safety Sharps Safety equipment and barriers Decontamination Spills Waste Hazardous & Bio type Disposal Wrap-up Quiz
3 INTRODUCTION This training presentation has been created for any student or employee that is required to undergo general laboratory safety training prior to working with hazardous substances in a laboratory environment. It is also recommended for any other training environment where hazardous chemicals or gases are used such as John Mitchell Center or the Art Department.
4 INTRODUCTION Laboratory safety is the key to preventing injury and illness as a result of working in a teaching or research laboratory. There are opportunities for exposure to hazards in a laboratory that may not have been considered as hazardous before. It is important to have proper training so you as the employee or student are aware of the potential dangers so that correct precautions and safe guards are learned and practiced.
5 INTRODUCTION As we go through this training presentation, you should develop a better understanding regarding the concept of safety and how important safety is in a laboratory environment. The University has an obligation to protect every student and employee on our campuses. There are various regulations pertaining to Lab and chemical safety that USM must abide by. Let s take a look at the different agencies that develop and enforce these regulations.
6 AGENCY INFORMATION State of Maine - Bureau of Labor Standards (BLS) BLS is not OSHA, but the Bureau is in charge of enforcing regulations related to safe work conditions and promoting the elimination of physical and health hazards in the work place. The areas of regulation include topics such as Hazardous Materials, Hazard Communication, Bloodborne Pathogens, and Occupational Exposure to Hazardous Chemicals in Laboratories, etc..
7 AGENCY INFORMATION State of Maine - Department of Environmental Protection (DEP) The DEP is in charge of the wastes that USM generates and stores. Many hazardous wastes are used in research laboratories and they pose a threat to humans, animals, plants, and the environment. There are also bio-hazardous wastes that are regulated and must be properly decontaminated and disposed of.
8 AGENCY INFORMATION Centers for Disease Control and Prevention (CDC) In charge of laboratories that use or contain infectious agents. They are focused on protecting personnel and the laboratory environmental from exposure to infectious agents. They are also aiming at preventative measures by adhering to strict containment.
9 AGENCY INFORMATION National Institute of Health (NIH) The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the nation s medical research agency making important discoveries that improve health and save lives.
10 AGENCY INFORMATION University Environmental Health & Safety Office (UEH&S) The UEHS office plays a major role in overseeing various laboratory activities that take place on campus. They interpret laws and regulations, and maintain upto-date written programs based on current health and safety standards. The duties range from fire safety and laboratory safety to training and emergency action plans.
11 WHY TRAINING? Training is by far the most important aspect of safety. Training not only reduces illness/injury but also increases worker efficiency and awareness. Training is required by regulation and USM has a high regard for fulfilling this commitment. Eliminating hazards, preventing accidents, and increasing awareness is the goal of the UEH&S office. Copy and paste this link into your browser 5 minute video. CNY
12 WHY TRAINING? Everyone on campus is responsible for training and compliance. See SYSTEM APL dated 8/2006. The individual is responsible for participation in the training, comprehending the information, and utilizing the information for the specific duties. The supervisor or lab manager is in charge of providing proper and effective training. The UEH&S office provides assistance to departments in achieving regulatory compliance and developing proactive strategies.
13 KNOW YOUR SURROUNDINGS Working in a laboratory can be an exciting experience. It can also contain many dangers and hazards that a traditional classroom does not. That is why it is important to know your surroundings. Know where the exits to your room are. There may be more than one exit which could be critical in the case of an emergency. Your supervisor will go over the emergency action plan including the escape route procedures for your room.
14 KNOW YOUR SURROUNDINGS It is also recommended that you learn the locations of the fire extinguishers in your laboratory. In the event of a fire the first action is to evacuate the area and notify Public Safety (Campus Police)! Any campus phone will initially direct calls to the USM Police Dept. and from there the fire department will be dispatched. From any campus phone just dial 911. Do not wait any longer than necessary to call, time is of the essence! If the fire is small (trash can sized), attempt to extinguish by following PASS, Pull-Aim-Squeeze-Sweep
15 KNOW YOUR SURROUNDINGS Know where the fire alarm is in proximity to your laboratory. Is it right down the hall or is it next to the door to the stairwell? If there is a fire, a quick response is the best response. Have your supervisor show you the closest alarm. The fire safety aspect of the Lab safety training will detail the safety procedures for your lab.
16 Most laboratories contain hazardous substances. A hazardous substance is defined as a material/substance that poses a physical or health hazard. This includes both chemicals and biological agents. A Biohazard is defined as a biological agent or condition (as an infectious organism or insecure laboratory procedures) that constitutes a hazard to humans or the environment. There are differences between a physical hazard and a health hazard. Let s take a look.
17 KNOW YOUR SURROUNDINGS A health hazard has one or more of the following characteristics: Carcinogen Toxic or highly toxic Reproductive Toxins Irritants Corrosives Sensitizers Hepatotoxins Nephrotoxins Neurotoxins
18 KNOW YOUR SURROUNDINGS A physical hazard has one or more of the following characteristics: Explosive Flammable Oxidizer Pyrophoric Organic peroxide Compressed gas Combustible liquid Unstable (Reactive) Water-reactive
19 When chemical hazards exist, it is very important to know where the eye wash/safety shower is located. Unexpected accidents do occur and knowing where to go at the time of an emergency can reduce injury/illness. When using an eyewash or shower to remove chemical, 15 minutes of flushing is strongly advised. Removal of exposed clothing is also advised. Laboratory Managers are responsible for inspecting emergency eyewash stations weekly and showers monthly. They must be activated and evaluated for unimpeded access, adequate flow, proper function, and tepid water temperature. Inspections must be documented. Mechanical deficiencies should be reported to Facilities for corrective action. Housekeeping deficiencies should be addressed with the personnel using the lab.
20 KNOW YOUR SURROUNDINGS First aid kits have a variety of quick relief items. If your lab has a first aid kit, find out where it is. If more than first aid is needed, it is recommended to go to Student Health Services for further treatment. If an injury occurs that requires treatment more than basic 1 st aid, please report the incident to the Lab Instructor and UEH&S office as soon as possible.
21 KNOW YOUR SURROUNDINGS When there are chemical or biological substances being used an emergency spill kit should be available. If there is a spill kit in your lab find its location. Further Spill response information will be addressed later in this presentation.
22 KNOW YOUR SURROUNDINGS Each laboratory has a telephone in a designated area for use. The emergency contact numbers should be posted near the phone in every laboratory on the USM campus.
23 Lab Safety - The Plan
24 THE PLAN The Lab Safety Plan (LSP), otherwise known as the Chemical Hygiene Plan, is similar to the Hazard Communication Program. The Hazard Communication Program looks at chemicals in any workplace. The LSP focuses primarily on chemical and bio-hazards in a laboratory environment. The point of the LSP is to relay information regarding procedures, equipment, PPE, and work practices that protect students and employees from lab hazards. If you are working with acids or solvents or recombinant DNA, the individual should know what personal protective equipment is necessary and what health hazards are associated with these substances.
25 THE PLAN According to the laboratory standard, for those labs that have chemicals the following training topics must be addressed: Methods and observations that may be used to detect the presence or release of a hazardous chemicals. Physical and health hazards Measures employees can take to protect themselves from hazards Details of the LSP
26 THE PLAN Methods and observations used to detect the presence or release of chemicals will be specific to your lab. A good indication of the presence of a chemical is to rely on your senses. Can you see it or smell it? Is a monitoring device needed to detect it? This can be important information if the chemical is an asphyxiate and pushes oxygen out of the room you are in.
27 THE PLAN Protection against chemicals is a combination of work procedures or practices, emergency procedures, and PPE. Some chemicals can only be handled under certain conditions. It is important to use proper handling procedures and practices as advised. The emergency procedures for chemical accidents is to first evacuate the area, notify your supervisor, USM campus police, and UEHS office if necessary.
28 THE PLAN Each lab that has chemicals will have a lab specific Lab Safety Plan (LSP). This plan will detail the procedures and practices for your specific location. It is your responsibility to review the LSP at least annually to insure the it is upto-date and accurate for the space(s) it represents.
29 LAB SAFETY!
30 LAB SAFETY ACCORDING TO WHO? When chemicals are used in the laboratory, the hazards of that chemical must be communicated to you. According to Occupational Safety and Health Administration (OSHA), a Chemical Hygiene or Lab Safety Plan (LSP) is required to relay information regarding procedures, equipment, Personal Protective Equipment (PPE), and work practices that are meant to protect the student and employees from the hazards. Your supervisor is in charge of providing you the information contained in the LSP.
31 LAB SAFETY Chemicals can pose a significant hazard. They should be limited to use under a properly working fume hood. Chemicals can release hazardous vapors which not only harm the environment, but they can be a major health threat. They must be handled carefully and disposed of properly.
32 LAB SAFETY The following guidelines have been established to minimize the hazards in a laboratory setting. It is important to take responsibility for your actions and to keep in mind that irresponsible acts could have permanent and lasting effects. The next portion of the training is meant to remind you of responsible conduct in a laboratory setting. As the hazards increase, the risks increase and the responsibility must increase.
33 LAB SAFETY - LAB ATTIRE No open-toed shoes No shorts or similar attire in labs Restrain hair when working with hazardous materials Remove protective clothing and gloves before leaving Keep PPE clean and away from chemicals Always inspect PPE for defects before using Advise Lab Manager if PPE becomes defective replace
34 LAB SAFETY - PERSONAL HABITS Personal habits play a large role in minimizing exposure and accidents. The following measures must be taken: Do not eat, drink, smoke, chew gum or apply cosmetics, or remove/insert contact lenses while in the laboratory Do not store food or beverages in the lab or in chemical refrigerator Do not mouth pipette Wash hands before leaving laboratory or after handling contaminated material
35 LAB SAFETY - SAFE PRACTICES These safe practices should be followed to ensure safe working conditions: Do not use chipped or cracked glassware When working with hazardous materials, have a second person nearby Know emergency procedures Keep the laboratory neat and clean Use hazardous chemicals under a fume hood and bio hazardous materials under a biosafety cabinet (BSC) Decontaminate whenever feasible All procedures should be performed to minimize aerosol generation
36 Laboratory Information Each lab contains an Emergency Action Plan (EAP) which is required for emergency situations. This is used to inform faculty/students of the procedures to follow in the event of an emergency. This includes the following information: Evacuation procedures Actions in the event of a fire Chemical spill actions Medical emergencies Lab specific hazards & related information Contact information
37 Safety Data Sheets (SDS) Why is an SDS important? When you know characteristics about a substance it can aid in precautionary measures to take when using it. Also, if there is a spill either on a surface, clothing, or on your skin, the SDS can supply you with the information needed for the correct actions. There are several constituents that are covered in the Laboratory Standard. Among these constituents includes labeling and the SDS. Let s look more closely at an SDS.
38 SDS (MSDS) In addition to labeling in a laboratory, the next most important type of communication regarding hazards is the SDS. This is the acronym for Safety Data Sheet, formerly called a Material Safety Data Sheet or MSDS. This will communicate the information necessary regarding the hazards associated with chemicals and biological agents. The links listed below are good sources for chemical SDS information and actual sheets
39 SDS So what is an SDS? An SDS is a document that relays vital information about a chemical or biological agent. It s divided up into 16 sections. The 16 sections: * Identification * Hazard(s) identification * Composition/information on ingredients * First-aid measures * Fire-fighting measures * Accidental release measures * Handling and storage * Exposure controls/personal protection * Physical and chemical properties * Stability and reactivity * Toxicological information * Ecological information * Disposal considerations * Transport information * Regulatory information * Other information
40 Signs and Labeling
41 LABELING It is important to know as much about a chemical as possible. The most dangerous substance is the one that has no label. Communicating information is essential in the science field. Good! NOT GOOD!
42 LABELING Chemical labeling has been briefly touched on earlier in the presentation. One must remember that if any chemical is transferred to a secondary container, this container must be labeled unless the chemical is used immediately. If the chemical will be used by the end of the work shift, then labeling is not necessary. Good science practices would encourage you to label all containers.
43 LABELING - HAZARD LABELS Hazard information will often be found on an SDS sheet in the form of an NFPA or HMIS label. The NFPA label shown on the lower left shows a rating of hazard level for four different categories using 0-4 rating of severity with 4 being the most severe. The HMIS label on the right follows a similar rating process.
44 PICTOGRAMS HEALTH HAZARD GAS CYLINDER FLAME OVER CIRCLE FLAME CORROSION ENVIRONMENT EXCLAMATION MARK EXPLODING BOMB SKULL & CROSSBONES More information concerning these symbols will be covered in a separate presentation
45 SIGNS Signs are a way of communicating important information. It is a way to heighten awareness about hazards that exist. There may be signs on laboratory refrigerators reminding you that no food or drink can be stored in it. There may be radioactive or biological materials that could possibly be absorbed in food. Other signs may denote what PPE must be used.
46 SIGNS Labs which use recombinant DNA and infectious agents must have a sign posted on the outside of the door. Before someone enters the lab, they will have the information they need to protect themselves. Always read the signs carefully so you know what precautions to take.
47 Personal Protective Equipment (PPE)
48 What is PPE? PPE is short for personal protective equipment. This is the equipment that is necessary to protect yourself from hazardous and biohazardous materials. PPE could be gloves, safety glasses, lab coat, shoe covers, respirator or any other item that could protect you from dangerous materials that you may encounter in the lab.
49 Knowing what to use and when to use it is the key to properly protecting yourself. There could be situations that would be more of a risk and require more PPE than others. The next few slides will help you in determining what you should be using! Note: A chemical MSDS is a good resource for identifying what is the best PPE for the given chemical being handled.
50 WHEN TO USE PPE Chemical usage poses a variety of hazards. They can be flammable, corrosive, toxic, or even explosive, to name just a few. Taking all precautions to avoid physical and/or health problems is the number one goal. You can never be too cautious!
51 When chemicals are being used there is always the possibility of splashing. The proper PPE to use when chemicals are involved should include: Safety glasses/goggles Gloves Chemical Apron
52 Proper Use of (PPE) When handling chemicals, use of eye protection is mandatory Goggles or safety glasses with side shields are preferred Chemically resistant gloves are also strongly recommended Overall, Laminate Film or Silver Shield are the most chemically resistant and protective gloves available.
53 Proper Use of (PPE) Chemically resistant gloves are always strongly recommended Neoprene or Nitrile type gloves are good for many acids and solvents Latex examination gloves are excellent as a barrier to biohazards but not all chemicals Neoprene Nitrile
54 PROPER USE OF (PPE) Knowing how to properly use PPE can be the key to adequate protection. Not only do you want to make sure it is the proper size for you, but also make sure you are wearing it properly. If it is too big or too small, it is not right for you! Let your supervisor know if you need a different size.
55 USE OF PPE RESPIRATORY PROTECTION The use of respiratory protection in USM labs is deemed more a voluntary use preference rather than a health and safety requirement. All chemical handling shall be performed in certified Fume Hoods. Following Appendix D from the Respiratory Standard 29CFR , the user should still take certain precautions to insure the respirator is worn correctly and does not present a hazard in itself. Follow manufacturers recommendations concerning use, maintenance, cleaning, and care of the respirator. The N95 shown below is primarily for nuisance dust or odor sensitivity. If you think you need an N95 talk with your supervisor or contact UEH&S ( ,5227,5338)
56 LOCATION & AVAILABILITY OF PPE Each Lab should have a designated area for the PPE. The PPE should also be readily available when working with materials that require it. If the proper equipment is not available, you should not proceed with the work. Notify your supervisor when you need to order PPE. PPE should always be stored in a clean area separate from any chemical or biohazard. PPE should be inspected for defects before use and at least annually. PPE
58 COMPRESSED GAS SAFETY Compressed gases can be both chemically and physically hazardous. Compressed gases can be flammable, toxic, reactive, corrosive, or a simple asphyxiate (displaces oxygen). The actual pressure of the gas escaping can be hazardous, i.e. 3000psi. Safe handling and storage of compressed gas cylinders is imperative to having a safe and accident free lab. Simple precautions and practices can prevent accidents. Follows these simple rules when working with compressed gases.
59 COMPRESSED GAS SAFETY Gas cylinder labels should always be visible and legible. Color identification is not a reliable form of ID. Gas lines should be identified based on contents. Gas cylinders need to be secured from tip over chains or straps are suitable. Cylinder valves should always be opened slowly. Oxygen cylinders should always be stored at least 20 ft. from flammable gas. Acetylene or hydrogen gas should never be stored near heat source. Never apply oil or grease to cylinder valve threads.
60 COMPRESSED GAS SAFETY Eye protection should always be worn when handling cylinders. A face shield is preferred when connecting or disconnecting cylinders. The cylinder covers should be screwed on hand tight when in storage. Always use cylinder cart when moving cylinder to another location. Never store cylinders horizontally especially acetylene Keep empty cylinders separate from full ones Contact the gas supply vendor or the UEHS office if any problems develop with a gas cylinder. Never touch liquid N2! Wear special cryogenic gloves when handling N2 cylinders
62 WHAT IS A SHARP? A sharp is defined as any instrument, tool, or item that has rigid, acute edges, protuberances or corners capable of cutting, piercing, ripping or puncturing such as syringes, blades, and broken glass. Items that have the potential for shattering or breaking are also considered sharps.
63 SHARPS - SAFE PRACTICES When using a sharp there is a risk of being cut or stuck by the object and possible infection occurring depending on what the sharp was used for. If hypodermic needles are used, special precautions must be taken to reduce the risk of a needle stick. After use of the needle do not recap, place directly in the sharp container.
64 SHARPS - SAFE PRACTICES All sharps must be placed into a rigid, puncture, and leak-resistant container that is also impervious to moisture. The sharps container must be labeled either with Biohazard or Infectious Waste. Do not over fill the sharps container.
65 SHARPS - SAFE PRACTICES When the sharps container is full it must be collected by the UEHS office. A waste pick-up form can be completed and a collection can be scheduled. A waste pick-up can be scheduled by contacting the UEHS office ( ).
66 PRACTICES AND TECHNIQUES Responsible practices and techniques are required when working with hazardous materials. This is one very important way to reduce accidents/injuries. Your supervisor will train you on the responsible use of hazardous materials specific to your laboratory.
67 SAFETY EQUIPMENT
68 SAFETY EQUIPMENT Certain equipment is necessary to achieve compliance and most importantly to provide adequate protection. The safety equipment that is needed is known as primary and secondary barriers. Let s take a look at the difference in the barriers.
69 PRIMARY BARRIERS Primary barriers are referring to protective measures including engineering controls. This includes not only PPE that has already been covered, but it also includes fume hoods, bio safety cabinets, and autoclaves. It is important to know when this equipment is to be used and how to properly use it.
70 PRIMARY BARRIERS Let s look at the following barriers: Fume hood Biological Safety Cabinet (BSC) Autoclave
71 FUME HOOD The fume hood is used with chemicals. The main function is to exhaust the vapors and gases that are generated in the hood to the outside. The hood is designed to minimize your exposure to airborne contaminants. This is not to be used with bio-hazardous materials.
72 FUME HOOD The fume hood sash (the glass door that slides up and down on the fume hood front) acts as barrier between the user and chemical fumes or chemical splashes. NOTE: Should the sash be raised above the maximum allowable height, as indicated by the label on the right or left side panels, air flow may be insufficient to capture all chemical fumes and/or prevent contact with chemical splashes. Sash height label
73 FUME HOOD When using the fume hood you first need to make sure the exhaust blower is operating and air is entering the hood. Remember, keep head and face outside of the hood! Minimize storage of chemicals in the hood. Clean up *small spills immediately Work with the sash at the proper operating level as indicated by the sash height sticker. * 2 cups or less
74 BIOLOGICAL SAFETY CABINET The biological safety cabinet (BSC) is used as a containment for infectious agents. The BSC has a HEPA filter in the exhaust system to protect the environment and yourself. The (HEPA) filter is a high efficiency particulate air filter. It is able to remove particles at a size of 0.3 m with an efficiency of 99.97%. It is also able to remove both smaller and larger particles.
75 BIOLOGICAL SAFETY CABINET There are 3 classes of BSC that are used. The higher the risk group and biosafety level, the higher the class of cabinet that is used. If there is an infectious agent being used, whether it is used in research animals or cultured, it must be manipulated inside the BSC.
76 BIOLOGICAL SAFETY CABINET Do not bring contaminated materials out of the cabinet until they have been surface decontaminated. If you are unable to decontaminate, place the material into a closed container to transfer it to the autoclave
77 BIOLOGICAL SAFETY CABINET Remember to follow the work practices: Work in such a way that your face is above the front opening Wait for 1 minute after placing hands/arms inside the cabinet to stabilize the air flow Work at least 4 inches from the inside edge of the front of the grille
78 BIOLOGICAL SAFETY CABINET Remember to place all materials as far back in the cabinet as possible Limit storage of containers or equipment in the cabinet. These items can obstruct air flow through the cabinet and result in chemical fume or bio contaminant exposure.
79 USE OF PPE When using this containment device, remember to also use the proper personal protective equipment. The following PPE should be considered depending on the BSL that is required for the organism/chemicals being use. Gloves Lab Coat Shoe Covers Safety Glasses Respirator
80 USE OF PPE Always make sure that the BSC has been decontaminated both before and after use. Decontamination methods vary depending on the infectious agent being used. Once the decontamination of the cabinet is complete, place the waste in a biohazard bag for autoclave.
81 AUTOCLAVE An autoclave is used to treat infectious material and recombinant DNA. As a standard for the University, all material of this nature must be autoclaved as a safety precaution. The autoclave is able to render the material non-infectious.
82 AUTOCLAVE The autoclave is the most effective method to use for decontamination purposes. As a general rule autoclave all materials that are considered infectious agent, recombinant DNA, or resemble components of this nature. When in doubt, AUTOCLAVE! If a material is not capable of autoclaving because of its size, material, or it is stationary, then rely on chemical disinfectant as a second option.
83 AUTOCLAVE The autoclave is able to reach a high temperature to sterilize the agent. It is important to know the standard operating procedures (SOP) for us of the autoclave. The SOP is located on the autoclave. If the temperature or pressure is inadequate, the bag is overfilled, or the peak time is not long enough the material will not be properly decontaminated.
84 AUTOCLAVE The autoclave process is sensitive to time, temperature, pressure, type of container being used, and the type of waste being sterilized. When using the autoclave there are a few important points to remember in order for the process to be effective. Always use bags designated as autoclave bags rather than red Bio waste bags. Always follow instructions on front of autoclave. Contact Facilities Management or the UEH&S office if you have questions or concerns about the autoclave process.
85 PROCEDURES The autoclave must reach a temperature of at least 121 C (250 F) at a pressure of at least 20psi. Depending on the material being autoclaved set the cycle time using the cycle chart that is attached to the autoclave After successfully being autoclaved, the material should be placed in the lined, bio waste boxes. Contaminated sharps must be disposed of in Bio waste Sharps containers. When the container is full, a pick up should be scheduled through UEHS. Broken glass is handled as normal trash with suitable precautions.
86 AUTOCLAVE LOG Each time the autoclave is used, the log must be completed by the individual using it. The log is to be located at the site of the autoclave. The information contained within the log is as follows: Date Laboratory Operator Name Contact number Type of material Cycle 1-9 Autoclave sequence # Content Start time End time
87 SECONDARY BARRIERS Secondary barriers are the facility design and construction. These barriers are to provide protection for the individuals outside the lab, the community, and the environment. An example of a Secondary barrier would be a laboratory. It is separate from the classroom and has limited access. The animal room has limited access and is only available to authorized personnel. The autoclave is set away from the normal traffic in its own room. The hand-washing facilities are located within the lab and not accessible by the outside students.
89 DECONTAMINATION Decontamination is the removal or neutralization of toxic agents or the use of physical or chemical means to remove, inactivate, or destroy living organisms. This includes both sterilization and disinfection.
90 DECONTAMINATION Decontamination is the responsibility of all laboratory workers. Failure to decontaminate can result in exposure to infectious agents which can cause illness or infection. Most decontamination can be done by chemicals. This technique is used only when autoclaving is not possible. The lab manager will know and instruct students and faculty on what is most appropriate for the specific substance.
91 DECONTAMINATION There are a variety of chemicals that can be used as an effective method of decontamination. Depending on the agent being used, the method to use may vary along with the contact time. For most organisms, a 10% solution of chlorine with water for minutes is adequate. Other ready made decontaminates are available. Contact the UEH&S office for more information.
92 SPILLS AND ACCIDENTS
93 SPILLS The best defense against chemical spills is prevention. Being careful and taking the time to safely pour or carry hazardous substances can mean the difference between completing a task and an accident. Spills and accidents can pose a serious health and safety threat. When a spill occurs, an aerosol can be created which can make the spill event more potent. The best measure to take in order to protect yourself is to be prepared. Each Lab should have specific procedures for addressing small or large chemical spills depending on the substance.
94 SPILLS Being able to recognize the hazards, mitigate the spill, and notify supervision is important to ensuring the safety of yourself and others. The first response to a spill should be to evacuate the immediate area until the scope of the hazard has been determined. Secure access to the room, and allow adequate time for any aerosols to settle. For small spills, 2 cups or less, follow appropriate cleanup procedures and always wear the appropriate level of PPE when removing the spilled chemical. Trash associated with the clean up should be handled as hazardous waste. Contact the UEHS office to schedule a pick up of the waste. Only trained and authorized personnel shall attempt to clean up large spills (> 2 cups). In the event of a large spill, evacuate the area and contact your supervisor immediately.
95 SPILLS Simple Spill Clean-up Procedure Prevent the spread of dust and vapors Neutralize acid or base if possible use spill kits Control spread of liquid Absorb the liquid with chemical absorbent material or kitty litter Collect and contain cleanup residue Package waste material Decontaminate surfaces Contact UEHS to pickup waste
96 HOW TO REPORT When a spill occurs, it must be reported. Report to your supervisor all spills. If medical attention is needed, it is suggested to go to Student Health Services. All injuries that are a result of a spill must be reported to Human Resources and UEHS.
97 WASTE MANAGEMENT
98 WASTE Hazardous and bio-hazardous waste has special guidelines for proper disposal. It is important to properly dispose of waste to ensure human and environmental health. The Maine Department of Environmental Protection (DEP) regulates the waste that is generated at USM.
99 WASTE Waste can be classified as either hazardous or bio-hazardous. Let s take a closer look at the differences. Hazardous Waste- This is a waste which contains one or more of the following characteristics: Toxic Corrosive Ignitable Flammable Oxidizer
100 WASTE Hazardous waste at USM is collected and stored at satellite accumulation areas or SAA s. They are located a selected labs on campus The waste is usually chemical in nature. Once a waste container has reached 90% of its capacity it is considered full. The full date should then be added to the label on the container and the EHS office should be notified for pick-up. The EHS office should collect the hazardous waste within 72 hours.
101 WASTE A bio hazardous waste is any waste that is considered infectious and/or because of its biological nature it can cause physical or health hazards to humans, animals, plants or the environment. This includes recombinant DNA and other genetically altered organisms and agents.
102 PROPER DISPOSAL Certain bio-hazardous waste can be disposed of in regular trash once it has been rendered non-infectious through auto-claving. If a biohazard labeled bag is used, make sure it is either placed in a secondary bag or a completely new bag that is not red. Waste that is deemed Bio-hazardous waste after auto-claving such as sharps containers or medical waste is collected for disposal by the UEH&S office.
103 PROPER DISPOSAL Hazardous or bio-hazardous waste must be disposed of through the Environmental Health & Safety office. If you need to have these types of wastes picked up contact /5338 or us at
104 Wrap up Quiz - Laboratory Safety 1. Which state agency regulates the Lab Safety program? a. OSHA b. BLS c. EPA d. NFPA 2. What are the benefits of ensuring that laboratory personnel receive safety awareness training such as this one? a. It will keep health insurance premiums affordable. b. Your final grade depends on it. c. It is required by state and federal law. d. You ll be able to work safer in the lab. 3. What types of attire are prohibited from being worn in a laboratory? a. Open toed shoes b. Dresses c. Sleeveless shirts d. All of the above 4. If a chemical is transferred from its original storage container into a different one (secondary container), what must be done? a. The secondary container should be stored in a separate space. b. The original container should be discarded. c. The secondary container should be labeled with the name of the contents and primary hazard d. The secondary container should be wiped down immediately 5. Select a common primary barrier. a. Disposable latex gloves b. Fume Hood c. Shatter resistant safety glasses d. Laboratory smock 6. Each lab is required to have a lab-specific Lab Safety Plan. a. True b. False 7. The location of your lab s Lab Safety Plan is? a. The Dean of Chemistry s office. b. The Safety office. c. On a shelf in the lab. d. Public Safety office.
105 Wrap up Quiz - Laboratory Safety 8. How do latex gloves differ from nitrile gloves for protection against laboratory hazards? a. Latex gloves have thicker walled construction. b. Nitrile protects better against Biohazards. c. Latex gloves are more suitable for Biohazards. d. Latex is more suitable for chemicals. 9. Once a container of hazardous waste is 90% full, what must be done? a. Call Public Safety. b. Enter the Full date and call EH&S for pickup. c. Complete a work order through Facilities Management website. d. Pour into secondary container and label. 10. How frequently must inspections of emergency eyewash and shower stations be performed? a. Eyewash weekly, Showers monthly b. Eyewash monthly, Showers weekly c. Eyewash weekly, Showers weekly d. Eyewash monthly, Showers monthly 11. Select the correct requirement for safe storage of compressed gas cylinders. a. Must be positioned horizontally when empty. b. Must be secured with chain or cable to prevent tip-over. c. Must be vented outdoors before shipping. d. Cylinder cap needs to be removed before transporting. 12. After using a needle, it should be recapped before being deposited into an approved sharps container. a. True b. False 13. In the event of a chemical spill in the laboratory, what should you do first? a. Notify the Lab Manager or Instructor immediately. b. Pull the nearest fire alarm and evacuate. c. Begin immediate clean-up. d. Locate spill control materials. 14. How can you determine the chemical fume hood sash maximum operating height? a. The lab text book should have that number. b. Calculate by multiplying height by width by depth of hood. c. Calculate by dividing height by width of sash. d. It is located on the label attached to the edge of fume hood sash.
106 Wrap up Quiz - Laboratory Safety 15. What is the purpose of a Lab Emergency Action Plan (EAP)? a. Describes what should be done in the event of a weather emergency. b. Describes basic first aid procedures for chemical exposures. c. Describes procedures for emergencies that could occur in science labs. d. Describes procedures for accident investigations. Completed By: Signature: Department: Date:
107 You have now completed the General Lab Safety Training presentation and quiz. Please print and sign the quiz pages and submit them to your instructor for grading and review. These quizzes should be kept on file to be available for UEH&S or State BLS review. If you have any questions please ask your supervisor or contact , 5227, or Thank you
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3.0 Manage hazardous substances risks IN THIS SECTION: 3.1 Hazardous substances can damage your health 3.2 Applying substance controls 3.3 Prepare an inventory of your hazardous substances 3.4 Find and
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