2011-02-14_HYDROLOGY - M1980047 - Laserfiche WebLink

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• C • Site: 649N - Davis Gulch, F13R EXXON COLONY Quarterly Streamflow Samples Surface Water: Battery A Lab# L79713 L81306 L82632 L84305 Metals Analysis PARAMETER Units Result aunt Result Oual Result dual Result Qua! Aluminum, dissolved mg/L U 0.10 B U U Aluminum, total recoverable mg/L 0.05 B 0.27 0.26 0.22 Antimony, dissolved mg/L U U U U Antimony, total recoverable mg/L U U U U Arsenic, dissolved mg/L 0.0022 0.0022 0.0018 B 0.0029 Arsenic, total recoverable mg/L 0.0022 0.003 B 0.0020 0.0024 Barium, dissolved mg/L 0.066 0.070 0.072 0.072 Barium, total recoverable mg/L 0.064 0.073 0.072 0.076 Beryllium, dissolved mg/L U U U U Beryllium, total recoverable mg/L U U U U Boron, dissolved mg/L 0.03 B 0.03 B 0.03 B 0.03 B Boron, total recoverable mg/L 0.03 B 0.03 B 0.02 B 0.04 B Cadmium, dissolved mg/L U U U U Cadmium, total recoverable mg/L U U U U Calcium, dissolved mg/L 72.3 76.6 73.2 72.2 Calcium, total recoverable mg/L 75.5 73.5 73.3 69.3 Chromium, Hexavalent mg/L U U U U Copper, dissolved mg/L U U U U Copper, total recoverable mg/L U U 0.01 B U Iron, dissolved mg/L U 0.04 B U 0.03 B Iron, total recoverable mg/L 0.09 0.26 0.27 0.21 Lead, dissolved mg/L U U U U Lead, total recoverable mg/L U U U U Magnesium, dissolved mg/L 36.4 37.7 34.8 35.6 Magnesium, total recoverable mg/L 37.7 36.2 34.0 34.8 Manganese, dissolved mg/L U 0.006 B U U Manganese, total recoverable mg/L U 0.013 B 0.007 B 0.007 B Mercury, dissolved mg/L U U U U Mercury, total mg/L U U U U Molybdenum, dissolved mg/L 0.01 B U U U Molybdenum, total recoverable mg/L U U U U Nickel, dissolved mg/L U U U U Nickel, total recoverable mg/L U U U U Potassium, dissolved mg/L 0.4 B 0.4 B 0.6 B 0.5 B Potassium, total recoverable mg/L 0.5 B 0.9 B 0.4 B 0.6 B Selenium, dissolved mg/L U U U U Selenium, total recoverable mg/L U U U U Silver, dissolved mg/L U U U U Silver, total recoverable mg/L U U U U Sodium, dissolved mg/L 64.2 64.3 62.0 64.6 Sodium, total recoverable mg/L 54.3 64.0 58.9 63.3 Thallium, dissolved mg/L U U U U Thallium, total recoverable mg/L U U U U Uranium, dissloved mg/L 0.0017 0.0016 0.0015 0.0017 Uranium, total recoverable mg/L 0.0018 0.0018 B 0.0015 0.0017 Zinc, dissolved mg/L U U U U Zinc, total recoverable m 2 U U U U Metals Pre Total Di estion Or anic Analysis Oil & Grease, Total Recoverable malt, U U U U Wet Chemistry Alkalinity as CaC03 287 282 272 269 Bicarbonate as CaC03 mg/L 22 16 B 34 9 B Carbonate as CaCC3 mg/L Hydroxide as CaC03 mg/L U U U U Total Alkalinity m /L 308 298 306 278 Cation-Anion Balance Cation-Anion Balance % -1.1 3.7 1.1 3.9 Sum of Anions meq/L 9.6 9.0 9.0 8.6 Sum of Cations meq/1 9.4 9.7 9.2 9.3 Chloride mg/L 31 28 24 28 Conductivity @25C umhos/cm 833 815 784 764 Fluoride mg/L 0.1 B 0.1 B 0.1 B 0.2 B Hardness as CaC03 mg/L 330 346 326 327 Nitrate as N, dissolved mg/L 0.38 0.25 0.54 0.29 Nitrate/Nitrite as N. dissolved mg/L 0.38 0.25 0.54 0.29 Nitrite as N, dissloved mg/L U U U U Nitrogen, ammonia mg/L U U U U Nitrogen, total Kjeldahl mg/1- 0.1 B 0.1 B U 0.2 B pH (lab) units 8.5 H 8.5 H 8.6 H 8.4 H Phosphorus, ortho dissolved mg/L 0.03 B 0.02 B 0.04 B 0.02 B Phosphorus, total mg/L 0.02 B 0.03 B 0.05 0.02 B Residue, Filterable(TDS)@180C mg/L 540 530 490 510 Sodium Absorption Ratio in Water 1.56 1.52 1.51 1.57 Sulfate mg/L 120 109 105 110 Sulfide (as S) mg/L U U U U TDS (calculated) mg/L 520 503 499 483 TDS (ratio-measured/calculated) mg/L 1.04 1.05 0.98 1.06 Turbidity NTU 0.9 6.2 3.3 5.5 pn medsul eu dt -- - U = Analyte was analyzed for but not detected at the indicated MDL B = Analyte concentration detected at a value between MDL and PQL PQL = Practical Quantitation Limit = Extended Qualifier Report H = Analysis exceeded method hold time.