Winflows DB v Input Data Summary 03-Aug :51 Project: Ronza Project File Ronza Doble Paso-Final. Engineer: AVR

Winflows32 2.2.6 DB v. 1.99 Input Data Summary 03-Aug-2009 15:51 Project Information Description: Ronza Client Name: Location: Engineer: Comments: Argentina AVR Flowsheet Configuration Flowsheet Type: Two Pass Flowsheet Feed Predosing? Yes Feed Afterdosing? No Interpass Dosing? Yes Product Dosing? No Feed CO2 Stripping? No Interpass CO2 Stripping? No Product CO2 Stripping? No Raw Feed Bypass? No First Pass Recycle? No Interpass Pumping? Yes Feed Information Temperature, Deg F: 59.0 Feed ph: 7.6 Silt Density Index: 4.0 Fouling Allowance: 0.85 Feed Stream Composition (mg/l) Calcium 69.00 Iron 0.06 Potassium 11.00 Magnesium 14.00 Sodium 12.19 Chloride 21.00 Bicarbonate 290.15 Sulfate 2.00 Silica 50.00 Carbonate 0.57 Carbon Dioxide 12.92 Flow Rate Specifications Product Flow: 30.0 m3/hr First Pass Array Recovery: 65.0% Second Pass Array Recovery: 70.0% First Pass Array Data Interbank Pressure Loss: 0.00 Psi Interbank Pressure Boost: 0.00 Psi FOULING FACTOR APPLIED: 0.85 Bank Housings Elements Element Type Element Age Interbank Boost 1 6 4 PRO-365HR 0.00 Years 0.0 PSI 2 4 4 PRO-365HR 0.00 Years 0.0 PSI 3 2 4 PRO-365HR 0.00 Years 0.0 PSI Second Pass Array Data Interbank Pressure Loss: 0.00 Psi Interbank Pressure Boost: 0.00 Psi FOULING FACTOR APPLIED: 1.00 Bank Housings Elements Element Type Element Age Interbank Boost 1 3 6 PRO-365 0.00 Years 0.0 PSI 2 2 6 PRO-365 0.00 Years 0.0 PSI 3 1 6 PRO-365 0.00 Years 0.0 PSI

Chemical Dosing Specifications First Feed Dosing to 7.5 ph using Sulfuric Acid Interpass Feed Dosing to 8.2 ph using Sodium Hydroxide Pump Specifications Feed Pump Selection: No Selection Interpass Pump Selection: No Selection

Winflows32 2.2.6 DB v. 1.99 Results Summary 03-Aug-2009 15:51 Flow Data m3/hr Analytical Data mg/l RO/NF Feed 53.1 RO/NF Feed TDS 470.0 Treated Permeate 30.0 Treated Permeate TDS 0.1 System Conc 23.1 System Conc TDS 1,107.8 System Data Two Pass Design with Interpass Pump Temperature: 59.0 Deg F Fouling Factor: 0.85 Overall Recovery: 56.5% Global Flux Decline: Pass 1 Pass/Stage Recovery: 65.0% Concentrate TDS: 1,108 Conc. Flow: 23.1 Total Total Element Feed Flow Perm Flow Feed Delta Perm TDS Bank Housings Elem Type m3/hr m3/hr Psi Psi mg/l 1 6 24 PRO-365HR 65.9 22.3 200.4 10.1 1.3 2 4 16 PRO-365HR 43.6 14.0 190.2 10.2 2.1 3 2 8 PRO-365HR 29.6 6.4 180.1 17.5 3.1 Total 12 48 65.9 42.9 1.8 Pass 2 Pass/Stage Recovery: 70.0% Concentrate TDS: 56 Conc. Flow: 12.9 Total Total Element Feed Flow Perm Flow Feed Delta Perm TDS Bank Housings Elem Type m3/hr m3/hr Psi Psi mg/l 1 3 18 PRO-365 42.9 17.3 175.9 31.8 0.1 2 2 12 PRO-365 25.6 9.4 144.1 27.8 0.2 3 1 6 PRO-365 16.2 3.4 116.3 45.1 0.3 Total 6 36 42.9 30.0 0.1 Analytical Data (mg/l) Perm Feed Conc Perm Feed Conc Ca 0.0 69.0 158.1 HCO3 0.1 290.2 689.6 Mg 0.0 14.0 32.1 CO3 0.0 0.6 5.9 Na 0.0 12.2 35.6 Cl 0.0 21.0 34.3 K 0.0 11.0 25.1 SO4 0.0 2.0 12.6 Ba 0.0 0.0 0.0 F 0.0 0.0 0.0 Sr 0.0 0.0 0.0 NO3 0.0 0.0 0.0 NH4 0.0 0.0 0.0 PO4 0.0 0.0 0.0 Fe 0.0 0.1 0.1 SiO2 0.0 50.0 114.5 Mn 0.0 0.0 0.0 CO2 0.1 12.9 8.0 TDS 0.1 470.0 1,107.8 ph 6.1 7.6 8.2 Saturation Data CaSO4 0.0% 0.0% 0.5% BaSO4 0.0% 0.0% 0.0 CaF2 0.0% 0.0% 0.0% SiO2 0.0% 47.6% 85.0 LSI -7.9 0.3 1.5 SrSO4 0.0% 0.0% 0.0 DISCLAIMER: This design does not represent a guarantee of performance & is provided solely as a service. The data contained herein should be used consistent with good engineering judgement. For tech assistance call GE Water at 1.800.423.3725.

Winflows32 2.2.6 DB v. 1.99 Process Data Sheet 03-Aug-2009 15:51 NaOH H2SO4 Product 30.0 m3/hr Feed 53.1 m3/hr Concentrate 23.1 m3/hr Flow Data m3/hr Analytical Data mg/l RO/NF Feed 53.1 RO/NF Feed TDS 470.0 Treated Permeate 30.0 Treated Permeate TDS 0.1 System Conc 23.1 System Conc TDS 1,107.8 System Data Temperature 59.0 Deg F Pass 1 Pass 2 Two Pass Design with Interpass Pump Fouling Allowance 85.0 100.0 Percent Global Flux Decline: Feed Pressure 200.4 175.9 Psi Interbank Boost 0.00 0.00 Psi Interbank Loss 0.00 0.00 Psi Element Age 0.00 0.00 Years Pumping Summary m3/hr DP, Psi kw @ 65.0% Efficiency Pass 1 Feed 65.9 200.36 38.93 Pass 1 Interbank Boost ------ 0.00 0.00 Pass 2 Feed 42.9 175.93 22.22 Pass 2 Interbank Boost ------ 0.00 0.00 Chemical Usage Chemical Lb/Day Kg/Day ph or ppm TH Feed Predosing Sulfuric Acid 10.0 4.5 5.0 Interpass Dosing Sodium Hydroxide 16.40 7.4 5.0

Winflows32 2.2.6 DB v. 1.99 Analytical Data Sheet 03-Aug-2009 15:51 System Predosed 1st Pass 1st Pass Dosed mg/l Feed Feed Feed Permeate Interpass Barium 0.00 0.00 0.00 0.00 0.00 Calcium 69.00 69.00 55.70 0.25 0.25 Iron 0.06 0.06 0.05 0.00 0.00 Potassium 11.00 11.00 8.86 0.04 0.04 Magnesium 14.00 14.00 11.30 0.05 0.05 Manganese 0.00 0.00 0.00 0.00 0.00 Sodium 12.19 12.19 12.55 0.07 4.22 Ammonium 0.00 0.00 0.00 0.00 0.00 Strontium 0.00 0.00 0.00 0.00 0.00 Bromide 0.00 0.00 0.00 0.00 0.00 Chloride 21.00 21.00 16.91 0.06 0.06 Fluoride 0.00 0.00 0.00 0.00 0.00 Bicarbonate 290.15 285.96 237.79 1.11 11.91 Nitrate 0.00 0.00 0.00 0.00 0.00 Sulfate 2.00 5.49 4.43 0.01 0.01 Phosphate 0.00 0.00 0.00 0.00 0.00 Silica 50.00 50.00 40.41 0.24 0.24 Carbonate 0.57 0.44 0.51 0.00 0.07 Carbon Dioxide 12.92 16.03 12.93 7.99 0.14 TDS, mg/l 469.96 469.15 388.50 1.82 16.85 Flow, m3/hr 53.08 53.08 65.93 42.86 42.86 Temp, Deg F 59.00 59.00 59.00 59.00 59.00 Pressure, Psi 0.00 0.00 200.36 0.00 175.93 Osm Pres, Psi 2.79 2.77 2.33 0.01 0.13 ph 7.60 7.50 7.74 5.43 8.20 LSI 0.32 0.21 0.29-6.64-2.75 Stiff-Davis 0.27 0.16 0.23-6.74-2.93 BaSO4 Sat, % 0.00 0.00 0.00 0.00 0.00 CaSO4 Sat, % 0.04 0.11 0.08 0.00 0.00 CaF2 Sat, % 0.00 0.00 0.00 0.00 0.00 SrSO4 Sat, % 0.00 0.00 0.00 0.00 0.00 SiO2 Sat, % 47.62 47.62 38.48 0.23 0.18

Winflows32 2.2.6 DB v. 1.99 Analytical Data Sheet 03-Aug-2009 15:51 System System mg/l Recycle Product Conc Barium 0.00 0.00 0.00 Calcium 0.82 0.00 158.05 Iron 0.00 0.00 0.14 Potassium 0.00 0.00 25.12 Magnesium 0.16 0.00 32.07 Manganese 0.00 0.00 0.00 Sodium 14.03 0.03 35.58 Ammonium 0.00 0.00 0.00 Strontium 0.00 0.00 0.00 Bromide 0.00 0.00 0.00 Chloride 0.00 0.00 34.28 Fluoride 0.00 0.00 0.00 Bicarbonate 38.92 0.09 689.62 Nitrate 0.00 0.00 0.00 Sulfate 0.05 0.00 12.58 Phosphate 0.00 0.00 0.00 Silica 0.81 0.00 114.53 Carbonate 0.78 0.00 5.87 Carbon Dioxide 0.14 0.14 7.96 TDS, mg/l 55.55 0.13 1,107.84 Flow, m3/hr 12.86 30.00 23.08 Temp, Deg F 59.00 59.00 59.00 Pressure, Psi 71.20 0.00 162.53 Osm Pres, Psi 0.44 0.00 6.41 ph 8.71 6.11 8.17 LSI -1.22-7.89 1.54 Stiff-Davis -1.37-9.32 1.53 BaSO4 Sat, % 0.00 0.00 0.00 CaSO4 Sat, % 0.00 0.00 0.47 CaF2 Sat, % 0.00 0.00 0.00 SrSO4 Sat, % 0.00 0.00 0.00 SiO2 Sat, % 0.47 0.00 84.96

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 1 Bank Number 1 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Flow, m3/hr Feed 11.0 10.0 9.1 8.2 Permeate 1.0 0.9 0.9 0.9 Pressure, Psi Feed 200.4 197.2 194.5 192.2 Net Driving 195.6 192.4 189.5 186.8 Delta P 3.1 2.7 2.3 2.0 Fd Osm Pres 2.3 2.5 2.8 3.1 Other Recovery, % 8.67 9.34 10.15 11.15 Beta-Conc Po 1.19 1.20 1.20 1.22 Flux, Gal/ft 16.591 16.325 16.086 15.868 A-cm/(sec-at 5.863 5.866 5.869 5.871 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 Calcium 0.1 0.2 0.2 0.2 Iron 0.0 0.0 0.0 0.0 Potassium 0.0 0.0 0.0 0.0 Magnesium 0.0 0.0 0.0 0.0 Manganese 0.0 0.0 0.0 0.0 Sodium 0.0 0.0 0.0 0.1 Ammonium 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 Chloride 0.0 0.0 0.0 0.0 Fluoride 0.0 0.0 0.0 0.0 Bicarbonate 0.6 0.7 0.8 1.0 Nitrate 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 Silica 0.1 0.2 0.2 0.2 Carbonate 0.0 0.0 0.0 0.0 Carbon Dioxi 8.0 8.0 8.0 8.0 TDS 1.0 1.2 1.4 1.6 ph 5.2 5.2 5.3 5.4 LSI -7.7-7.4-7.1-6.9 Stiff-Davis -7.5-7.3-7.1-6.9 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.1 0.1 0.1 0.2 CaF2 Sat % 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 SiO2 Sat % 42.1 44.9 48.3 52.5

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 1 Bank Number 2 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Flow, m3/hr Feed 10.9 10.0 9.1 8.2 Permeate 0.9 0.9 0.9 0.9 Pressure, Psi Feed 190.2 187.1 184.4 182.1 Net Driving 184.0 180.7 177.6 174.8 Delta P 3.1 2.7 2.3 2.0 Fd Osm Pres 3.5 3.8 4.1 4.6 Other Recovery, % 8.24 8.82 9.51 10.35 Beta-Conc Po 1.18 1.18 1.19 1.20 Flux, Gal/ft 15.635 15.359 15.105 14.871 A-cm/(sec-at 5.874 5.877 5.880 5.882 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 Calcium 0.2 0.3 0.3 0.3 Iron 0.0 0.0 0.0 0.0 Potassium 0.0 0.0 0.0 0.1 Magnesium 0.0 0.1 0.1 0.1 Manganese 0.0 0.0 0.0 0.0 Sodium 0.1 0.1 0.1 0.1 Ammonium 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 Chloride 0.1 0.1 0.1 0.1 Fluoride 0.0 0.0 0.0 0.0 Bicarbonate 1.0 1.2 1.3 1.5 Nitrate 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 Silica 0.2 0.3 0.3 0.3 Carbonate 0.0 0.0 0.0 0.0 Carbon Dioxi 8.0 8.0 8.0 8.0 TDS 1.7 1.9 2.2 2.5 ph 5.4 5.5 5.5 5.6 LSI -6.7-6.5-6.4-6.2 Stiff-Davis -6.8-6.7-6.5-6.3 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.2 0.2 0.3 0.3 CaF2 Sat % 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 SiO2 Sat % 55.9 59.8 64.5 70.1

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 1 Bank Number 3 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Flow, m3/hr Feed 14.8 14.0 13.1 12.4 Permeate 0.8 0.8 0.8 0.8 Pressure, Psi Feed 180.1 175.1 170.5 166.3 Net Driving 171.1 165.9 161.1 156.7 Delta P 5.0 4.6 4.2 3.8 Fd Osm Pres 5.1 5.4 5.7 6.0 Other Recovery, % 5.66 5.82 6.00 6.22 Beta-Conc Po 1.14 1.14 1.14 1.14 Flux, Gal/ft 14.567 14.140 13.742 13.373 A-cm/(sec-at 5.886 5.891 5.896 5.900 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 Calcium 0.4 0.4 0.4 0.5 Iron 0.0 0.0 0.0 0.0 Potassium 0.1 0.1 0.1 0.1 Magnesium 0.1 0.1 0.1 0.1 Manganese 0.0 0.0 0.0 0.0 Sodium 0.1 0.1 0.1 0.1 Ammonium 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 Chloride 0.1 0.1 0.1 0.1 Fluoride 0.0 0.0 0.0 0.0 Bicarbonate 1.6 1.8 2.0 2.2 Nitrate 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 Silica 0.3 0.4 0.4 0.5 Carbonate 0.0 0.0 0.0 0.0 Carbon Dioxi 8.0 8.0 8.0 8.0 TDS 2.7 2.9 3.2 3.5 ph 5.6 5.6 5.7 5.7 LSI -6.1-6.0-5.8-5.7 Stiff-Davis -6.2-6.1-6.0-5.9 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.3 0.4 0.4 0.5 CaF2 Sat % 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 SiO2 Sat % 73.4 76.9 80.7 85.0

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 2 Bank Number 1 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Elem 5 Elem 6 Flow, m3/hr Feed 14.3 13.2 12.2 11.3 10.3 9.4 Permeate 1.0 1.0 1.0 0.9 0.9 0.9 Pressure, Psi Feed 175.9 168.9 162.6 157.0 152.1 147.9 Net Driving 172.2 165.6 159.6 154.4 149.8 145.7 Delta P 7.0 6.3 5.6 4.9 4.3 3.7 Fd Osm Pres 0.1 0.1 0.2 0.2 0.2 0.2 Other Recovery, % 7.30 7.58 7.92 8.33 8.82 9.42 Beta-Conc Po 1.18 1.18 1.18 1.18 1.18 1.19 Flux, Gal/ft 18.172 17.490 16.881 16.342 15.867 15.453 A-cm/(sec-at 7.294 7.303 7.311 7.318 7.324 7.329 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 0.0 0.0 Calcium 0.0 0.0 0.0 0.0 0.0 0.0 Iron 0.0 0.0 0.0 0.0 0.0 0.0 Potassium 0.0 0.0 0.0 0.0 0.0 0.0 Magnesium 0.0 0.0 0.0 0.0 0.0 0.0 Manganese 0.0 0.0 0.0 0.0 0.0 0.0 Sodium 0.0 0.0 0.0 0.0 0.0 0.0 Ammonium 0.0 0.0 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 0.0 0.0 Chloride 0.0 0.0 0.0 0.0 0.0 0.0 Fluoride 0.0 0.0 0.0 0.0 0.0 0.0 Bicarbonate 0.0 0.0 0.1 0.1 0.1 0.1 Nitrate 0.0 0.0 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 0.0 0.0 Silica 0.0 0.0 0.0 0.0 0.0 0.0 Carbonate 0.0 0.0 0.0 0.0 0.0 0.0 Carbon Dioxi 0.1 0.1 0.1 0.1 0.1 0.1 TDS 0.1 0.1 0.1 0.1 0.1 0.1 ph 5.7 5.8 5.9 5.9 6.0 6.0 LSI -8.3-8.2-8.1-8.1-8.0-8.0 Stiff-Davis -10.4-10.2-10.1-9.9-9.7-9.6 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaF2 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SiO2 Sat % 0.2 0.2 0.2 0.2 0.2 0.3

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 2 Bank Number 2 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Elem 5 Elem 6 Flow, m3/hr Feed 12.8 11.9 11.1 10.3 9.6 8.8 Permeate 0.9 0.8 0.8 0.8 0.7 0.7 Pressure, Psi Feed 144.1 138.1 132.7 127.9 123.6 119.7 Net Driving 140.9 135.2 130.0 125.4 121.3 117.6 Delta P 6.0 5.4 4.8 4.3 3.8 3.4 Fd Osm Pres 0.2 0.2 0.3 0.3 0.3 0.3 Other Recovery, % 6.71 6.90 7.14 7.42 7.76 8.17 Beta-Conc Po 1.15 1.15 1.15 1.15 1.15 1.16 Flux, Gal/ft 14.950 14.357 13.824 13.345 12.917 12.537 A-cm/(sec-at 7.336 7.344 7.351 7.357 7.362 7.367 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 0.0 0.0 Calcium 0.0 0.0 0.0 0.0 0.0 0.0 Iron 0.0 0.0 0.0 0.0 0.0 0.0 Potassium 0.0 0.0 0.0 0.0 0.0 0.0 Magnesium 0.0 0.0 0.0 0.0 0.0 0.0 Manganese 0.0 0.0 0.0 0.0 0.0 0.0 Sodium 0.0 0.0 0.0 0.0 0.0 0.1 Ammonium 0.0 0.0 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 0.0 0.0 Chloride 0.0 0.0 0.0 0.0 0.0 0.0 Fluoride 0.0 0.0 0.0 0.0 0.0 0.0 Bicarbonate 0.1 0.1 0.1 0.1 0.1 0.2 Nitrate 0.0 0.0 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 0.0 0.0 Silica 0.0 0.0 0.0 0.0 0.0 0.0 Carbonate 0.0 0.0 0.0 0.0 0.0 0.0 Carbon Dioxi 0.1 0.1 0.1 0.1 0.1 0.1 TDS 0.1 0.1 0.2 0.2 0.2 0.2 ph 6.1 6.1 6.2 6.2 6.3 6.3 LSI -7.9-7.9-7.8-7.8-7.7-7.7 Stiff-Davis -9.4-9.3-9.1-9.0-8.8-8.7 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaF2 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SiO2 Sat % 0.3 0.3 0.3 0.3 0.4 0.4

Winflows32 2.2.6 DB v. 1.99 Element Detail Data 03-Aug-2009 15:51 Element by Element Data Pass 2 Bank Number 3 Permeate Back Pressure for this bank is: 0.0 Psi Boost Pressure for this bank is: 0.0 Psi Elem 1 Elem 2 Elem 3 Elem 4 Elem 5 Elem 6 Flow, m3/hr Feed 16.2 15.5 14.9 14.3 13.7 13.2 Permeate 0.7 0.6 0.6 0.5 0.5 0.5 Pressure, Psi Feed 116.3 107.6 99.5 91.8 84.5 77.7 Net Driving 111.6 103.1 95.2 87.7 80.7 74.0 Delta P 8.7 8.2 7.7 7.2 6.8 6.5 Fd Osm Pres 0.4 0.4 0.4 0.4 0.4 0.4 Other Recovery, % 4.22 4.08 3.93 3.78 3.61 3.44 Beta-Conc Po 1.10 1.10 1.09 1.09 1.08 1.08 Flux, Gal/ft 11.905 11.020 10.186 9.399 8.654 7.947 A-cm/(sec-at 7.375 7.387 7.398 7.408 7.417 7.426 Permeate Ions, mg/l Barium 0.0 0.0 0.0 0.0 0.0 0.0 Calcium 0.0 0.0 0.0 0.0 0.0 0.0 Iron 0.0 0.0 0.0 0.0 0.0 0.0 Potassium 0.0 0.0 0.0 0.0 0.0 0.0 Magnesium 0.0 0.0 0.0 0.0 0.0 0.0 Manganese 0.0 0.0 0.0 0.0 0.0 0.0 Sodium 0.1 0.1 0.1 0.1 0.1 0.1 Ammonium 0.0 0.0 0.0 0.0 0.0 0.0 Strontium 0.0 0.0 0.0 0.0 0.0 0.0 Bromide 0.0 0.0 0.0 0.0 0.0 0.0 Chloride 0.0 0.0 0.0 0.0 0.0 0.0 Fluoride 0.0 0.0 0.0 0.0 0.0 0.0 Bicarbonate 0.2 0.2 0.2 0.2 0.3 0.3 Nitrate 0.0 0.0 0.0 0.0 0.0 0.0 Sulfate 0.0 0.0 0.0 0.0 0.0 0.0 Phosphate 0.0 0.0 0.0 0.0 0.0 0.0 Silica 0.0 0.0 0.0 0.0 0.0 0.0 Carbonate 0.0 0.0 0.0 0.0 0.0 0.0 Carbon Dioxi 0.1 0.1 0.1 0.1 0.1 0.1 TDS 0.2 0.3 0.3 0.3 0.4 0.4 ph 6.4 6.4 6.5 6.5 6.6 6.6 LSI -7.6-7.6-7.5-7.5-7.4-7.4 Stiff-Davis -8.6-8.4-8.3-8.1-8.0-7.8 Concentrate Saturation Values BaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 CaF2 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SrSO4 Sat % 0.0 0.0 0.0 0.0 0.0 0.0 SiO2 Sat % 0.4 0.4 0.4 0.4 0.5 0.5

Winflows32 2.2.6 DB v. 1.99 Errors and Warnings 03-Aug-2009 15:51 WARNING!! High LSI. LSI > 0.0. Concentrate CaCO3> saturation. WARNING!! High Stiff Davis Index. SDSI > 0.0. Concentrate CaCO3 > saturation.

Array Performance Ronza 216.0 4.0 214.0 3.5 212.0 3.0 210.0 2.5 Pres Psi 208.0 206.0 2.0 1.5 TDS mg/l 204.0 1.0 202.0 0.5 200.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 Element Age, Years Pass 1 TDS Pass 1 Pres Legend