2011-05-23_HYDROLOGY - M1977348 - Laserfiche WebLink

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May 2011 Table 1: Groundwater Results from the March 2011 Sampling Event at the Boettcher Quarry 103-81640 Analyte MW-1 MW-2 MW-3 MW-4 Metals Arsenic, Dissolved (mg/L) 0.005 B 0.021 0.010 0.040 Barium, Dissolved (mg/L) 0.04 B 1.33 2.950 8.84 Boron, Dissolved (mg/L) 0.59 0.64 0.75 0.5 B Chromium, Dissolved (mg/L) < 0.01 U < 0.01 U 0.001 B < 0.02 U Copper, Dissolved (mg/L) < 0.3 U < 0.3 U < 0.1 U < 0.5 U Iron, Dissolved (mg/L) 0.3 0.1 B 0.27 0.3 B Lead, Dissolved (mg/L) 0.0027 B < 0.003 U 0.0007 B < 0.005 U Lithium, Dissolved (mg/L) 1.3 1.2 0.74 1.9 Manganese, Dissolved (mg/L) 0.05 B 0.12 0.05 < 0.3 U Selenium, Dissolved (mg/L) 0.2684 0.0015 0.0012 0.012 Thallium, Dissolved (mg/L) 0.0025 B 0.0007 B < 0.001 U 0.001 B Uranium, Dissolved (mg/L) 0.0303 0.0033 0.0008 B 0.001 B Zinc, Dissolved (mg/L) < 0.3 U < 0.3 U < 0.1 U < 0.5 U Other Chloride (mg/L) < 300 U 3100 1530 6200 Fluoride (mg/L) 0.5 1.5 2.3 1.1 Nitrate as N (mg/L) 88 0.07 B 0.37 < 0.1 U Nitrite as N (mg/L) 0.36 < 0.05 U < 0.05 U 0.01 B Nitrate+Nitrite as N (mg/L) 88 0.07 B 0.37 0.02 B Lab pH (s.u) 8.1 8.2 8.4 8.2 Total Dissolved Soilds, filterable residue (mg/L) 7560 6390 3940 11100 Sulfate (mg/L) 4540 60 B < 100 U < 500 U Gross Alpha 53 (± 31) 9.8 (t 25) 33 (±20 ) 73 (±47 ) Gross Beta 36 (±28) 42 (t31) 25 (±21 ) 80 (t49 ) Supplementary Analytes (Not Historically analyzed) Bicarbonate as CaCO3 305 965 1130 565 Carbonate as CaCO3 < 20 U < 20 U 31 < 20 U Calcium, Dissolved 225 14 11.9 38 Magnesium, Dissolved 240 8 3.4 18 Potassium, Dissolved 18 8 B 5.5 12 B Sodium, Dissolved 1800 2430 1450 4180 Notes: B = Estimated value, less than the practical quantiation limit for that analyte, but greater than the method detection limit U = Analyte not detected above the method detection limit, result reported as less than (<) the practical quantitation limit I:\10\81840\0400\Ql 2011 Sampling_Fnl-1gMayl l\Tablel.xlsxSheetl P Golder Associates