2011-01-10_HYDROLOGY - M1977348 - Laserfiche WebLink

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January 2011 TABLE 3 GROUNDWATER QUALITY RESULTS FROM THE SEPTEMBER 2010 MONITORING EVENT 103-81640 Analyte MW-1 MW-2 MW-3 MW-4 Metals Arsenic, Dissolved (mg/L) 0.015 0.036 0.019 0.068 Barium, Dissolved (mg/L) < 0.08 U 2.09 2.40 8.69 Boron, Dissolved (mg/L) 0.54 0.70 0.77 0.7 Chromium, Dissolved (mg/L) < 0.01 U < 0.01 U 0.003 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 U < 0.3 U 0.04 B 0.3 B Lead, Dissolved (mg/L) 0.0019 B < 0.003 U < 0.001 U < 0.005 U Lithium, Dissolved (mg/L) 1.3 1.3 0.80 2.0 Manganese, Dissolved (mg/L) < 0.1 U 0.08 B 0.04 B < 0.3 U Selenium, Dissolved (mg/l-) 0.4928 0.0006 B 0.0006 < 0.003 U Thallium, Dissolved (mg/L) 0.0016 B < 0.003 U < 0.001 U < 0.005 U Uranium, Dissolved (mg/L) 0.0364 0.0048 0.0015 < 0.005 U Zinc, Dissolved (mg/L) 0.13 B < 0.3 U < 0.1 U < 0.5 U Other Chloride (mg/L) < 300 U 3050 1550 6300 Fluoride (mg/L) 0.4 B 1.7 2.4 1.1 Nitrate as N (mg/L) 96 0.14 < 0.1 U < 0.1 U Nitrite as N (mg/L) 0.24 < 0.05 U < 0.05 U < 0.05 U Nitrate+Nitrite as N (mg/L) 96 0.14 < 0.1 U < 0.1 U Lab pH (s.u) 8.1 H 8.6 H 8.6 H 8.3 H Total Dissolved Solids, filterable residue (mg/L) 7940 6270 3940 11000 Sulfate (mg/L) 4840 < 300 U < 100 U < 500 U Gross Alpha 41 (± 31) 15 (t 26) 5.7 (± 13) -10 (t 39) Gross Beta 39 (t 28) 4.5 (t 30) 3.2 (t 17) -7.5 (t 53) Bicarbonate as CaCO3 279 993 1110 585 Carbonate as CaCO3 <20 U 108 98 16 B Calcium, Dissolved 323 14 6.6 37 Magnesium, Dissolved 336 8 3.0 18 Potassium, Dissolved 22 7 4.4 10 B Sodium, Dissolved 1660 2480 1600 4270 Notes: B = Estimated value, less than the practical quantiation limit for that analyte, but greater than the method detection limit U = Result less than method detection limit for that analyte NA = Not analyzed I.\10\81640\0400\GWRep Fnl_OBJan11\Table 3-GW Detectlons& Benchmarks_ejp.z1szTable3 Golder Associates