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Page 17 of 23 <br />12065 Lebanon <br />Mt. Juliet, TN <br />Rd. <br />37122 <br />OESC <br />(615) <br />758-5858 <br />1-800-767-5859 <br />Fax <br />(615) 758-5859 <br />L•A•B S•C•1•E•N•C-E•S <br />Tax <br />I.D. 62-0814289 <br />Est. <br />1970 <br />Molen & Associates, LLC <br />Mark Molen <br />2090 East 104th Avenue Suite #205 <br />Quality Assurance <br />Report <br />Level II <br />Thornton, CO 80233 <br />November <br />28, 2014 <br />L734625 <br />Laboratory Control <br />Sample <br />Analyte <br />Units <br />Known Val <br />Result <br />% Rec <br />Limit <br />Batch <br />Chloride <br />mg/l <br />40 <br />39.0 <br />98.0 <br />90-110 <br />WG756798 <br />Sulfate <br />mg/l <br />40 <br />39.7 <br />99.0 <br />90-110 <br />WG756798 <br />Laboratory <br />Control Sample <br />Duplicate <br />Analyte <br />Units <br />Result <br />Ref <br />%Rec <br />Limit <br />RPD <br />Limit <br />Batch <br />Chloride <br />mg/l <br />39.2 <br />39.1 <br />98.0 <br />90-110 <br />0.0 <br />20 <br />WG755737 <br />Nitrate <br />mg/l <br />8.10 <br />8.12 <br />101. <br />90-110 <br />0.0 <br />20 <br />WG755737 <br />Nitrite <br />mg/l <br />7.95 <br />7.90 <br />99.0 <br />90-110 <br />1.00 <br />20 <br />WG755737 <br />Sulfate <br />mg/l <br />40.1 <br />40.2 <br />100. <br />90-110 <br />0.0 <br />20 <br />WG755737 <br />pH <br />su <br />5.90 <br />5.90 <br />100. <br />98.3-101.7 <br />0.0 <br />20 <br />WG755789 <br />Mercury <br />mg/l <br />0.00295 <br />0.00295 <br />98.0 <br />85-115 <br />0.0 <br />20 <br />WG755785 <br />Barium <br />mg/l <br />1.07 <br />1.08 <br />107. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Calcium <br />mg/l <br />10.0 <br />9.93 <br />100. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Chromium <br />mg/l <br />1.02 <br />1.02 <br />102. <br />80-120 <br />0.0 <br />20 <br />WG755822 <br />Cobalt <br />mg/1 <br />1.06 <br />1.07 <br />106. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Magnesium <br />mg/l <br />9.88 <br />9.89 <br />99.0 <br />80-120 <br />0.0 <br />20 <br />WG755822 <br />Nickel <br />mg/l <br />1.04 <br />1.06 <br />104. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Potassium <br />mg/l <br />10.2 <br />10.2 <br />102. <br />80-120 <br />0.0 <br />20 <br />WG755822 <br />Silver <br />mg/l <br />1.09 <br />1.08 <br />109. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Sodium <br />mg/l <br />10.4 <br />10.3 <br />104. <br />80-120 <br />1.00 <br />20 <br />WG755822 <br />Vanadium <br />mg/l <br />1.07 <br />1.07 <br />107. <br />80-120 <br />0.0 <br />20 <br />WG755822 <br />Specific Conductance <br />umhos/ <br />777. <br />779. <br />102. <br />85-115 <br />0.257 <br />20 <br />WG756086 <br />Antimony <br />mg/l <br />0.0542 <br />0.0534 <br />108. <br />85-115 <br />2.00 <br />20 <br />WG756227 <br />Beryllium <br />mg/l <br />0.0510 <br />0.0481 <br />102. <br />85-115 <br />6.00 <br />20 <br />WG756227 <br />Cadmium <br />mg/l <br />0.0515 <br />0.0506 <br />103. <br />85-115 <br />2.00 <br />20 <br />WG756227 <br />Copper <br />mg/l <br />0.0519 <br />0.0512 <br />104. <br />85-115 <br />1.00 <br />20 <br />WG756227 <br />Lead <br />mg/l <br />0.0518 <br />0.0509 <br />104. <br />85-115 <br />2.00 <br />20 <br />WG756227 <br />Selenium <br />mg/l <br />0.0475 <br />0.0506 <br />95.0 <br />65-115 <br />6.00 <br />20 <br />WG756227 <br />Thallium <br />mg/l <br />0.0498 <br />0.0492 <br />100. <br />85-115 <br />1.00 <br />20 <br />WG756227 <br />Zinc <br />mg/l <br />0.0515 <br />0.0476 <br />103. <br />65-115 <br />8.00 <br />20 <br />WG756227 <br />Alkalinity <br />mg/l <br />96.0 <br />95.0 <br />96.0 <br />85-115 <br />1.05 <br />20 <br />WG756323 <br />TOC (Total Organic Carbon) <br />mg/l <br />75.0 <br />74.5 <br />100. <br />85-115 <br />0.669 <br />20 <br />WG756215 <br />Arsenic <br />mg/l <br />0.0489 <br />0.0475 <br />98.0 <br />85-115 <br />3.00 <br />20 <br />WG756227 <br />1,1,1,2-Tetrachloroethane <br />mg/l <br />0.0268 <br />0.0257 <br />107. <br />74.2-124 <br />4.35 <br />20 <br />WG756012 <br />1,1,1-Trichloroethane <br />mg/l <br />0.0261 <br />0.0253 <br />104. <br />73.2-123 <br />3.08 <br />20 <br />WG756012 <br />1,1,2,2-Tetrachloroethane <br />mg/l <br />0.0272 <br />0.0257 <br />109. <br />70.7-122 <br />5.84 <br />20 <br />WG756012 <br />1,1,2-Trichloroethane <br />mg/l <br />0.0283 <br />0.0277 <br />113. <br />77.7-118 <br />2.21 <br />20 <br />WG756012 <br />1,1-Dichloroethane <br />mg/l <br />0.0247 <br />0.0239 <br />99.0 <br />70.7-126 <br />3.31 <br />20 <br />WG756012 <br />1,1-Dichloroethene <br />mg/l <br />0.0241 <br />0.0237 <br />96.0 <br />67.8-129 <br />1.83 <br />20 <br />WG756012 <br />1,2,3-Trichloropropane <br />mg/l <br />0.0253 <br />0.0242 <br />101. <br />71.8-121 <br />4.54 <br />20 <br />WG756012 <br />* Performance of this Analyte <br />is outside <br />of established criteria. <br />For additional information, <br />please see <br />Attachment <br />A 'List of Analytes with <br />QC Qualifiers.' <br />Page 17 of 23 <br />