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Table 2 Ground-Water Quality,1994-1995 Telchert Vernalls Plant Area (all units In mgA,unless specified otherwise) March 1,1994 Halt Faulkner S.Tracy Brown's Brown's Koster Rustan .tuna 1,1994 Hall Faulkner S.Tracy Brown's Brown's Koster #1 New #1 #1 New 41 Total Hardness,CaCO3 259 -- 239 -- 277 - 178 Total Hardness,CaCO3 290 360 280 290 330 240 Calcium 70 - 59 - 70 - 48 Calcium 73 93 65 72 68 61 Magnesium 20 - 22 - 25 - 14 Magnesium 27 31 29 28 33 23 Potassium ND - ND -- NO --- ND Potassium ND NO NO ND ND ND Sodium 94 - 79 --- 83 - 87 Sodium 99 97 86 87 94 94 Total Alkalinity,CaCO3 216 - 158 - 195 - 174 Total Alkalinity,CaCO3 220 230 150 200 200 150 Hydroxide NO - ND - ND - NO Hydroxide NO ND ND ND NO NO Carbonate NO - NO - ND - ND Carbonate NO ND ND ND ND ND Bicarbonate 264 - 190 --- 238 - 212 Bicarbonate 270 280 190 240 240 180 Sulfate 51 - 110 - 171 - 45 Sulfate 58 75 110 150 150 96 Chloride 108 - 57 - 41 - 80 Chloride 100 32 60 30 30 70 Nitrate,as NO3 14.9 - 43.3 --- 12.2 - 11.2 Nitrate,as NO3 16 25 47 8.3 12 31 Nitrite,as NO2 ND - NO - ND - ND Nitrite,as NO2 ND ND NO ND ND ND Phosphate ND - NO - NO - ND Phosphate ND ND NO ND NO NO Fluoride 0.3 - 0.2 - 0.2 - 0.2 Fluoride NO ND NO 0.2 NO 0.2 PH 7.5 - 7.5 - 7.5 - 7.7 pH 7.5 7.8 7.5 7.5 7.4 7.7 EC(umhoslem) 1020 - 920 - 960 - 840 EC(umhoslcm) 930 1000 800 840 850 600 TDS 570 - 540 - 560 - 460 TDS 590 680 530 570 500 490 Boron 0.5 -- 1.0 --- 1.1 -» 0.7 Boron 0.5 0.5 1.1 1.3 1.2 1.1 Copper(ugA) NO - NO - ND --- ND Copper(ugA) ND NO NO NO ND NO Iron(ug/1) NO - NO - ND - NO Iron(ugA) NO 60 ND ND ND 470 Manganese(ugA) ND - NO - ND --- ND Manganese(ugA) NO ND ND ND ND 50 Zinc(ugA) ND - ND -- 100 -- ND Zinc(ugA) ND 70 NO NO NO NO Total Coliform(MPNI100 ml) Absent - - - - - - Total Coliform(MPN1100 ml) Absent Absent - Fecal Coliform(MPNI100 ml) - - - - - - - Fecal Coliform(MPN1100 ml) - - - October 4,1994 Hail Faulkner S.Tracy Brown's Brawn's Koster January 19,1995 Hall Faulkner S.Tracy Brown's Brown's Koster #1 Now #1 #1 New #1 Total Hardness,CaCO3 280 320 250 280 290 230 Total Hardness,CaCO3 290 310 290 290 290 --- Calcium 73 66 60 68 71 62 Catctum 74 80 62 67 Be - Magnesium 23 26 23 24 26 19 Magnesium 23 25 25 25 29 - Potassium NO NO NO ND ND ND Potassium ND ND NO 1.5 2 --- Sodium 91 100 78 84 84 87 Sodium 90 92 73 80 72 - Total Alkalinity,CaCO3 210 240 150 190 204 151 Total Alkalinity,CaCO3 230 230 150 190 190 --- Hydroxide ND ND ND ND ND ND Hydroxide ND ND NO NO NO - Carbonate ND ND NO ND ND ND Carbonate ND ND ND NO NO - Bicarbonate 260 300 180 230 250 184 Bicarbonate 280 280 190 230 230 - Sulfate 61 66 120 160 160 110 Sulfate 66 72 120 180 130 Chloride 120 120 70 35 42 70 Chloride 130 130 68 38 68 - Nitrate,as NO3 21.0 36.0 50.0 8.1 12.0 35.0 Nitrate,as NO3 23 30 42 8.5 30 - Nitrite,as NO2 ND NO NO NO ND ND Nitrite,as NO2 NO NO NO ND ND - Phosphate ND NO ND NO NO ND Phosphate ND ND NO NO NO - Fluoride NO NO 0.2 0.1 0.1 0.2 Fluoride 0,1 0.1 0.3 0.2 0.2 - pH 7.5 7.5 7.5 7.5 7.5 7.7 pH 7.5 7.4 7.5 7.5 7.5 EC(umhoslcm) 1000 1100 840 870 900 890 EC(umhoVcm) 980 1000 600 860 850 - TOS 570 620 500 530 550 500 TDS 550 600 600 550 540 - Scron 0.5 0.5 1.0 1.1 1.1 1.0 Boron 0.5 0.5 1.0 1.1 1.0 - Copper(ugA) ND NO ND ND ND ND Copper(ugh) ND NO NO ND NO - Iron(ugA) ND NO ND ND ND ND Iron(ugA) ND ND 390 290 400 - Manganese(ugA) NO NO ND ND ND NO Manganese(ugA) NO ND NO 50 ND - Zinc(ugA) NO ND ND ND ND NO Zinc(ugA) ND NO NO NO 60 Total Coliform(MPNI100 ml) Absent Present' - - Total Coliform(MPNI100 ml) Absent Absent - - Fecal Coliform(MPNH00 ml) Absent' - - - - Fecal Coliform(MPNI100 ml) - - - - "Retesting in November 1994 confirmed presence of total coliform bacteria and absence of fecal cofifonn. tG n95.wb2