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Table 7 <br /> Analytical Results for Ground Water Samples <br /> Inorganic Compounds <br /> Owens-Brockway Glass Containers <br /> Tracy, California <br /> MW-2 MW-3 MW4 <br /> Constituents Units 1 2 2 3 3 3 2 2 3 3 3 2 2 3 3 3 <br /> 6/30/95 8/22/96 5/ 18/98 9/29/99 6/ 14/00 6/30/95 8/22/96 5/ 18/98 9/29/99 6/ 14/00 6/30/95 8/22/96 5/ 18/98 9/29/99 6/ 14/00 <br /> Electrical Conductivity@25C umhos/cm 4 15800 15600 15000 1 , 360 1 , 200 32400 3 ,200 22800 32060 21100 11700 1 , 800 1 ,300 2,600 1 ,400 <br /> Langlier Index (Corrosivity) NA 0 . 4 0 . 3 NTS NT NT 0 . 6 0 .2 NT NT NT 0 . 5 0 .4 NT NT NT <br /> pH pH units 8 8 8 . 3 8 .2 8 .2 7 . 3 7 7.4 7.4 4 . 3 7 . 9 7.7 7 . 9 7 . 7 7 . 5 <br /> Arsenic mg/1 0 . 009 0.01 ND6 ND NT 0 . 005 ND ND ND NT 0.005 ND ND ND NT <br /> Boron mg/1 7 .4 7 .4 4 . 5 6 . 1 NT 3 . 3 3 .2 2 3 . 6 NT 3 . 1 3 .0 1 . 8 2. 3 NT <br /> Calcium mg/1 27 17 9 .2 12 9 .6 170 170 140 150 52 35 34 19 75 270 <br /> Chromium Ing/1 0 . 02 0.01 ND ND ND 0.01 ND ND ND ND 0 .008 ND ND ND ND <br /> Copper mg/l ND ND 0 .016 ND NT ND ND ND ND NT ND ND 0 .012 ND NT <br /> Fluoride mg/l 0 . 3 0 .4 NT NT NT ND 3 NT NT NT ND 1 . 8 NT NT NT <br /> Iron 1119/1 1 . 7 ND 0 . 05 0 . 13 NT 1 . 1 ND ND 0 NT 0 .91 ND ND 0 NT <br /> Lead mg/1 0 .007 ND ND ND NT 0 .02 ND ND ND NT 0 .016 ND ND ND NT <br /> Magnesium mg/1 17 13 7 .7 8 . 3 5 . 55 84 76 82 86 24 .4 19 23 13 49 129 <br /> Manganese mg/1 0 . 06 ND ND ND NT 0 .04 ND 0 .046 ND NT ND ND ND ND NT <br /> Mercury mg/1 ND 0 .0003 ND ND NT ND 0 .0011 ND ND NT ND 0 .0002 ND ND NT <br /> Selenium mg/I 0 . 004 ND ND ND NT ND ND ND ND NT ND ND ND ND NT <br /> Sodium mg/1 320 350 260 250 230 450 460 480 490 250 310 370 300 440 660 <br /> Potassium mg/l ND ND ND 0. 71 ND 5 4 5 .4 5 ND _ ND ND ND 1 . 7 ND <br /> Barium mg/1 0 . 04 0 .03 ND 0 . 026 0 .019 0.07 0 .03 0 .017 0 .035 0 .025 0 . 04 0 . 03 ND 0 .037 0 . 1 <br /> Zinc mg/I 0 . 1 ND ND ND NT 0 . 31 ND ND ND NT _0 .28 ND ND ND NT <br /> Alkalinity (total) mg/1 310 350 350 290 330 390 350 360 430 310 410 440 350 300 350 <br /> Biocarbonate Alkalinity mg/1 380 430 NA NA 330 480 430 NA NA 310 500 530 NA NA 350 <br /> Carbonate Alkalinity mg/1 ND , ND NA NA ND ND ND NA NA ND ND ND NA NA ND <br /> Hydroxide Alkalinity mg/1 ND ND NA NA ND ND ND NA NA ND ND ND NA NA ND <br /> Chloride mg/I 240 190 86 163 110 460 510 400 228 320 130 180 120 _ 318 170 <br /> Nitrate as N(NO3-N) mg/l 10 .2 9 NT NT NT 9 . 9 13 . 5 _ NT NT NT 14. 9 18 . 5 NT NT NT <br /> Nitrate as NO3 mg/1 45 40 19 41 21 44 60 24 53 110 66 82 33 33 30 <br /> Phosphate mg/1 ND ND ND ND NT ND 0 . 7 0 . 820 ND NT ND ND ND ND NT <br /> Sulfate as SO4 mg/1 240 190 89 99 . 3 130 870 850 710 725 330 230 290 180 463 _ -120 <br /> Hardness mg/l 140 94 44 68 47 780 740 720 740 230 _ 170 180 100 41-0_- _ 15200 <br /> MBAS mg/I ND ND ND ND NT ND ND 0 . 052 0 . 055 NT ND ND 0 ND NT <br /> Total Dissolved Solids (Res . At 1800) mg/l 13100 960 650 850 750 2 , 800 2,200 2, 100 21300 12300 1 , 100 11200 860 1 , 800 15400 <br /> Notes : <br /> 1 ) All concentrations reported in milligrams per liter (mg/1) unless otherwise indicated. <br /> 2) Nolte and Associates, Inc . <br /> 3 ) Golder Associates Inc . <br /> 4) umhos/cm=micromhos per centimeter. <br /> 5 ) NT=Not tested. <br /> 6 ) ND=Not detected at or above the laboratory method detection limit. <br /> 003-7170 <br /> R00-37a.xls Table 7 Golder Associates workplan 8/3100 <br />