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Table 2 Ground-Water Quality Teichert Vernalis Plant Area March 1,1994 Hall Faulkner S.Tracy Brawn's Brown's Koster Rustan June 1,1994 Hall Faulkner S.Tracy Brown's Brown's Koster #1 New 0 #1 New 01 Total Hardness 259.00 -- 239.00 --- 277.00 --- 178.00 Total Hardness 290 360 280 290 330 240 Calcium 70.00 --- 59.00 --- 70.00 --- 48.00 Calcium 73 93 65 72 68 61 Magnesium 20.00 - 22.00 --- 25.00 -•- 14.00 Magnesium 27 31 29 28 33 23 Potassium NO --- NO -- NO -- NO Potassium NO NO NO NO NO NO Sodium 94.00 - 79.00 - 83.00 -• 87.00 Sodium 99 97 86 87 94 94 Total Alkalinity 216.00 -- 156.00 195.00 174.00 Total Alkalinity 220 230 150 200 200 150 Hydroxide NO NO NO -- NO Hydroxide NO NO NO NO NO NO Carbonate NO NO -•- NO - NO Carbonate NO NO NO NO NO ND Bicarbonate 264.00 -- 190.00 --- 238.00 212.00 Bicarbonate 270 280 190 240 240 180 Sulfate 51.00 - 110.00 --- 171.00 - 45.00 Sulfate 58 75 110 150 150 96 Chloride 108.00 - 57.00 --- 41.00 - 80.00 Chloride 100 32 60 30 30 70 Nitrate 14.90 43.30 -- 12.20 --- 11.20 Nitrate 16 25 47 8.3 12 31 Nitrite NO --- NO NO --- NO Nitrite NO NO NO NO NO NO Phosphate NO - NO NO --- NO Phosphate NO NO NO NO NO NO Fluoride 0.30 --- 0.20 -- 0.20 -- 0.20 Fluoride NO ND ND 0.2 NO 0.2 pH 7.50 - 7.50 - 7.50 7.70 pH 7.5 7.8 7.5 7.5 7.4 7.7 EC 1020.00 - 920.00 - 960.00 - 840.00 EC 930 1000 B00 840 850 800 TDS 570.00 - 540.00 --- 580.00 - 460.00 TOS 590 680 530 570 500 490 Baron 0.50 - 1.00 --- 1.10 - 0.70 Baron 0.5 0.5 1.1 1.3 1.2 1.1 Copper NO NO --- NO - NO Copper NO NO NO NO NO NO Iron NO --- NO -•- NO --- NO Iron NO 60 NO NO NO 470 Manganese NO --- NO --- NO NO Manganese NO NO NO NO NO 50 Zinc NO - NO --- 100.00 -- NO Zinc NO 70 NO NO NO NO Total Coliform Absent -- - Total Coliform Absent Absent - - --• --- Fecal Coliform - -- Fecal Coliform - --- --- --- October 4,1994 Hall Faulkner S.Tracy Brown's Brown's Koster January 19,1995 Hall Faulkner S.Tracy Brown's Brown's Koster #1 New Ni #1 New #1 Total Hardness 280.00 320.00 250.00 280.00 290.00 230.00 Total Hardness 290 310 290 290 290 - Catcium 73.00 86.00 60.00 68.00 71.00 62.00 Calcium 74 80 52 67 68 - Magnesium 23.00 26.00 23.00 24.00 26.00 19.00 Magnesium 23 25 25 25 29 -- Potassium NO NO NO NO NO NO Potassium ND NO NO 1.5 2 - Sodium 9100 100,00 78.00 84,00 84.00 87.00 Sodium 90 92 73 80 72 f Total Alkalinity 210.00 240.00 150.00 190.00 204.00 151.00 Total Alkalinity 230 230 150 190 190 -- Hydroxide NO NO ND ND NO NO Hydroxide NO NO NO NO NO Carbonate NO NO NO NO NO NO Carbonate NO NO NO NO NO Bicarbonate 250.00 300.00 180.00 230.00 250.00 184.00 Bicarbonate 280 280 190 230 230 - Sultate 61.00 66.00 120.00 160.00 160.00 110.00 Sulfate 66 72 120 180 130 - Chloride 120.00 120.00 70,00 35.00 42.00 70.00 Chloride 130 130 68 38 68 -- Nitrate 21.00 36.00 50.00 8.10 12.00 35.00 Nitrate 23 30 42 8.5 30 Nitrite NO NO NO NO NO NO Nitrite NO NO NO NO NO -- Phosphate NO ND ND NO NO NO Phosphate NO NO NO NO NO Fluoride NO NO 0.20 0.10 0.10 0.20 Fluoride 0.1 0.1 0.3 0.2 0,2 -- pH 7.50 7.50 7.50 7.50 7.50 7.70 pH 7.5 7.4 7.5 7.5 7.5 - EC 1000.00 1100.00 840.00 870.00 900.00 890.00 EC 980 1000 800 860 850 - TDS 570,00 620.00 500.00 530.00 550.00 $00.00 TDS 550 600 500 550 540 -- Baron 0.50 0.50 1.00 1.10 1.10 1.00 Boron 0.5 0.5 1 1.1 1 -- Copper NO NO NO NO NO NO Copper NO NO NO NO NO -- Iron ND NO NO NO NO NO Iron NO NO 390 290 400 --- Manganese NO NO NO NO NO NO Manganese NO NO NO So ND -- Zinc NO NO NO NO NO NO Zinc NO NO NO NO 60 -- Total Coliform Absent Present` --- -- Total Coliform Absent Absent - - Fecal Coliform -- Absent" --- --- --- -- Fecal Coliform --- - - 'Retesting in November 1994 confirmed presence of total coliform bacteria and absence of fecal coliform. tcvnwq.wb2