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TABLE 6 <br /> MAROS Results for Individual Wells <br /> Rough and Ready Island <br /> Stockton,California <br /> Linear Median Mean <br /> Number of Number of All Samples Mann Kendall Regression Concentration Concentration <br /> Constituent Well Samples Detects Non Detect Trend Trend (ug/L) (ug/L) <br /> BENZENE vLo96 7 o Yes ND ND 025 1.5 <br /> ETRACHLOROETHYLENE(PCE) VL096 7 o Yes ND ND 1 1+7 <br /> RICHLOROETHYLENE(TCE) VJ-096 7 o Yes ND NO 1 1.7 <br /> VINYL CHLORIDE mom 7 o Yes ND ND 0.25 1.5 <br /> TOTAL 1,2-DICHLOROETHYLENE W-096 7 o Yes ND ND 1 1.8 <br /> BENZENE W-097 9 0 Yes ND ND 0.05 1.2 <br /> ETRACHLOROETHYLENE(PCE) V4097 9 o Yes ND No 0.1 1.4 <br /> RICHLOROETHYLENE(TCE) W-097 9 o Yes ND ND 0.05 1.4 <br /> INYL CHLORIDE W-097 9 D Yes ND NO O.o5 1.2 <br /> TOTAL 1,2-DICHLOROETHYLENE VL097 9 o Yes ND ND 0.25 1.5 <br /> BENZENE W-098 4 o Yes ND ND 2.6 2.6 <br /> ETRACHLOROETHYLENE(PCE) W-098 4 0 Yes ND ND 3 3 <br /> RICHLOROETHYLENE(TCE) W-D98 4 o Yes ND ND 3 3 <br /> VINYL CHLORIDE w-098 4 o Yes ND NO 2.6 2.6 <br /> TOTAL 1,2-DICHLOROETHYLENE vw09a 4 2 No NT PI 2 2.4 <br /> BENZENE w-099 14 0 Yes ND ND 0.05 0.79 <br /> ETRACHLOROETHYLENE(PCE) \NIM 14 o Yes ND ND O.D5 o.9 <br /> RICHLOROETHYLENE(TCE) w-ogg 14 2 No D D o.05 0.87 <br /> VINYL CHLORIDE W-099 14 12 No D D 9.9 13 <br /> TOTAL 1,2-DICHLOROETHYLENE w-o90 14 13 No D D 2.7 5.8 <br /> BENZENE W-100 8 0 Yes ND ND 0.15 1.3 <br /> ETRACHLOROETHYLENE(PCE) W-100 8 0 Yes ND ND 0.53 1.5 <br /> RICHLOROETHYLENE(TCE) w-ioo 8 o Yes ND ND 0.53 1.5 <br /> VINYL CHLORIDE AIM 8 D Yes ND No 0.15 1.3 <br /> TOTAL 1,2-DICHLOROETHYLENE w-loo 8 1 No NT D 0.38 1.6 <br /> BENZENE V4-1o1 10 1 No D D 0.23 20 <br /> ETRACHLOROETHYLENE(PCE) w-1o1 10 0 Yes ND ND 0.23 20 <br /> RICHLOROETHYLENE(TCE) w-1D1 10 1 No D D 0.23 20 <br /> VINYL CHLORIDE W-101 11 11 No D D 480 75D <br /> TOTAL 1,2-DICHLOROETHYLENE vV-1o1 11 11 No D D Soo 2400 <br /> BENZENE M102 8 o Yes ND ND 0.19 1.3 <br /> ETRACHLOROETHYLENE(PCE) W-102 8 o Yes ND NO 0.56 1.5 <br /> RICHLOROETHYLENE(TCE) VV-102 8 o Yes ND NO a56 1.5 <br /> VINYL CHLORIDE W-102 8 4 No D D 31 69 <br /> TOTAL 1,2-DICHLOROETHYLENE M102 a 4 No D D 8.1 28 <br /> BENZENE W-103 15 1 No D D DA 39 <br /> ETRACHLOROETHYLENE(PCE) W-103 15 0 Yes ND NO 1 39 <br /> RICHLOROETHYLENE(TCE) M103 16 12 Na O D 32 760 <br /> VINYL CHLORIDE M103 16 14 No D D 280 490 <br /> TOTAL 1,2-DICHLOROETHYLENE W-103 16 16 No O D 600 4100 <br /> BENZENE W-104 20 0 Yes ND ND Us 3.9 <br /> ETRACHLOROETHYLENE(PCE) VV-104 20 20 No NT NT 30 72 <br /> RICHLOROETHYLENE(TCE) M104 20 19 No D D 17 36 <br /> VINYL CHLORIDE W-104 20 11 No D D o.6 45 <br /> TOTAL 1,2-DICHLOROETHYLENE W-104 20 20 No PD ā‘ 43 440 <br /> BENZENE v11105 11 o Yes ND NO 0.05 0.97 <br /> ETRACHLOROETHYLENE(PCE) VV-105 11 o Yes ND ND Us 1 <br /> RICHLOROETHYLENE(TCE) Va1o5 11 o Yes ND ND Us 1 <br /> INYL CHLORIDE Vw105 11 o Yes NO NO O,D5 0.97 <br /> OTAL 1,2-DICHLOROETHYLENE W-105 12 2 No D D 0,25 1.2 <br /> BENZENE v4-106 17 o Yes ND ND 0.05 0.67 <br /> ETRACHLOROETHYLENE(PCE) W-tob 17 o Yes ND ND Us 0.76 <br /> RICHLOROETHYLENE(TCE) W-1o6 17 o Yes ND NO Us 0.75 <br /> VINYL CHLORIDE W-1 o6 17 16 No D D 12 22 <br /> TOTAL 1,2-DICHLOROETHYLENE w-106 17 17 No D D 11 25 <br /> BENZENE VV-107 13 0 Yes ND ND 0.05 D.85 <br /> ETRACHLOROETHYLENE(PCE) w-107 13 o Yes ND ND Us 0.96 <br /> RICHLOROETHYLENE(TCE) W-107 13 0 Yes ND ND 0.05 0.96 <br /> VINYL CHLORIDE W-107 13 0 Yes ND ND O.05 D.85 <br /> TOTAL 1,2-DICHLOROETHYLENE VV-107 13 2 No D D 0.25 1.1 <br /> BENZENE w-toe 18 o Yes ND NO Us D.63 <br /> ETRACHLOROETHYLENE(PCE) W-1oa 18 0 Yes ND Nā‘ 0.25 0.71 <br /> RICHLOROETHYLENE(TCE) -108 18 o Yes ND ND ODS 0,71 <br /> 11 <br />