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Middle Fork @ Lab
<br />EXXON COLONY
<br />Quarterly Streamflow Samples
<br />Surface Water
<br />Date Sampled June 11, 2008 Sept it, 2008
<br />Metals Mal Is '.
<br />PARAMETER Units Result Dual Result Dual
<br />Aluminum, dissolved mg/L U U
<br />Aluminum, total recoverable mg/L 0.16 B' 1.42
<br />Antimony, dissolved mg/L U 0.0004 B
<br />Antimony, total recoverable mg/L U U
<br />Arsenic, dissolved mg/L 0.0026 0.0031
<br />Arsenic, total recoverable mg/L 0.0026 0.0038
<br />Barium, dissolved mg/L 0.066 0.055
<br />Barium, total recoverable mg/L 0.066 0.091 '
<br />Beryllium, dissolved mg/L U U
<br />Beryllium, total recoverable mg/L U U
<br />Boron, dissolved mg/L 0.04 B 0.06
<br />Boron, total recoverable mg/L 0.05 B' 0.06 '
<br />Cadmium, dissolved mg/L U U
<br />Cadmium, total recoverable mg/L U U
<br />Calcium, dissolved mg/L 58.8 50.4
<br />Calcium, total recoverable mg/L 54.6 53.9
<br />Chromium, Hexavalent mg/L U. U.
<br />Copper, dissolved mg/L U U
<br />Copper, total recoverable mg/L U U
<br />Iron, dissolved mg/L U U
<br />Iron, total recoverable mg/L 0.14 1.28
<br />Lead, dissolved mg/L U U
<br />Lead, total recoverable mg/L U U
<br />Magnesium, dissolved mg/L 39.7 43.3
<br />Magnesium, total recoverable mg/L 35.7 44.3
<br />Manganese, dissolved mg/L U U
<br />Manganese, total recoverable mg/L U 0.021 B
<br />Mercury, dissolved mg/L U U
<br />Mercury, total recoverable mg/L U. U
<br />Molybdenum, dissolved mg/L U U
<br />Molybdenum, total recoverable mg/L U 0.01 B
<br />Nickel, dissolved mg/L U U
<br />Nickel, total recoverable mg/L U U
<br />Potassium, dissolved mg/L 0.8 B 1.8 B'
<br />Potassium, total recoverable mg/L 1.3 B 2.4
<br />Selenium, dissolved mg/L W 0.001 B
<br />Selenium, total recoverable mg/L 0.001 B. U.
<br />Silver, dissolved mg/L U. U
<br />Silver, total recoverable mg/L U U
<br />Sodium, dissolved mg/L 70.3 72.1
<br />Sodium, total recoverable mg/L 59.4 71.6
<br />Thallium, dissolved mg/L U U
<br />Thallium, total recoverable mg/L U. U.
<br />Uranium, dissolved mg/L 0.0026 ' 0.0027 '
<br />Uranium, total recoverable mg/L 0.0022 0.0032 '
<br />Zinc, dissolved mg/L U U
<br />Zinc total recoverable m /L U U
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<br />0 a e5 Ion
<br />Ogjanic Analysis
<br />011 & rease, Dial Recoverable mall-
<br />wet echemlst!y
<br />Alkalinity as a
<br />Bicarbonate as CaC03 mg/L 223 209
<br />Carbonate as CaC03 mg/L 28 41
<br />Hydroxide as CaCO3 mg/L U U
<br />Total Alkalinity m /L 251 250
<br />Cation-Anion Balance
<br />Cation-Anion Balance % 7.5 3.4
<br />Sum of Anions meq/L 8.0 8.6
<br />Sum of Cations megA 9.3 9.2
<br />Chloride mg/L 15 20
<br />Conductivity @25C umhos/cm 741 794
<br />Fluoride mg/L 0.1 B' 0.4 B`
<br />Hardness as CaC03 mg/L 310 304
<br />Nitrate as N. dissolved mg/L 0.99 0.62
<br />Nitrate/Nitrite as N, dissolved mg/L 0.99 0.62
<br />Nitrite as N, dissolved mg/L U U
<br />Nitrogen, ammonia mg/L U. U
<br />Nitrogen, total Kjeldahl mg/L 0.5 0.5 B
<br />pH (lab) units 8.6 H 8.7 H
<br />Phosphorus, ortho dissolved mg/L 0.01 B' U.
<br />Phosphorus, total mg/L 0.02 B 0.07
<br />Residue, Filterable(TDS)@180C mg/L 450 480
<br />Sodium Absorption Ratio in Wat er 1.76 1.82
<br />Sulfate mg/L 120 146 B
<br />Sulfide (as S) mg/L U. U.
<br />TDS (calculated) mg/L 471 503
<br />TDS (ratio-measured/calculated) mg/L 0.96 0.95
<br />-Turbidity NTU 0.8 30.3
<br />pH measured at 22.0 21.0
<br />U = Analyte was analyzed for but not detected at the indicated MDL
<br />B = Analyte concentration detected at a value between MDL and PQL
<br />PQL = Practical Quantitation Limit
<br />' = Extended Qualifier Report
<br />H = Analysis exceeded method hold time.
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