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• 5.4 Monitorine Well DFMW-4 The only detected volatile organic compound was Toluene 1 ppb. Toluene was also detected in the laboratory blank at an estimated level of 1 ppb. The following inorganic constituents were found: boron 0.9 ppm; calcium 100 ppm; hardness (ca) 250 ppm; lead 0.007 ppm; magnesium 30 ppm; manganese 1.10 ppm; potassium 2.1 ppm; sodium 27 ppm; and zinc 0.07 ppm. The following anions were detected: bicarbonate 7441 ppm; chloride 8.70 ppm; nitrite <0.15 ppm; nitrate 0.12 ppm; and sulfate 349 ppm. Other parameters include: pH 7.40; specific conductance 673 uMHO/cm @ 25°C; alkalinity 6100 mg CaCos/L; TDS 514 ppm; TSS 20,723 ppm, and turbidity 9,000 NTU. 5.5 Surface Water Location DFSW-1 No volatile organic compounds were detected at this location. The following inorganic compounds were found: boron 1.2 ppm; calcium 81 ppm; hardness 200 ppm; iron 0.06 ppm; magnesium 25 ppm; manganese 0.1 ppm; potassium 1.1 ppm; and sodium IS ppm. The following levels of anions were detected: bicarbonate 276 ppm; chloride 294 ppm; nitrite <0.15 ppm; nitrate <0.10 ppm; and sulfate 223 ppm. Other parameters include: pH 7.45; specific conductance 579 • uMHO/cm ~a 25°C; alkalinity 226 mg CaCOg/L; TDS 502 ppm; TDS 30.7 ppm; and turbidity 3 NTU. 5.6 Surface Water Location DFSW-2 No volatile organic constituents were detected at his location. The following inorganic compound levels were detected: boron I.1 ppm; calcium 5 ppm; hardness (Ca) 13 ppm; iron 0.2 ppm; lead 0.007 ppm; magnesium 0.1 ppm; mercury 0.001 ppm; potassium 0.95; sodium 3 ppm; and zinc 0.03 ppm. Anion levels include: carbonate 35.4 ppm; chloride 8.10 ppm; nitrite <0.15 ppm; nitrate <0.16 ppm; and sulfate 7.04 ppm. Other parameters include pH 7.07; specific conductance 25.7 uMHO/cm @ 25°C; alkalinity 29.0 mg CaCOs/L; TDS 52.0 ppm; TSS 5.3 ppm; and turbidity 3 NTU. P~°jed Number. 769-9J-01f • ]uly SS, 1980 Page 7