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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 /> VINYL CHLORIDE 917-04 15 0 Yes ND MND <br /> 0.1 1.2 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-04 15 0 Yes No 0.5 3.1 <br /> BENZENE 917-05 13 0 Yes NO 0.25 0.96 <br /> ETRACHLOROETHYLENE(PCE) 917-05 9 0 Yes ND 0.05 0.21 <br /> RICHLOROETHYLENE(TCE) 917-05 9 0 Yes NO 0.05 0,19 <br /> VINYL CHLORIDE 917-05 9 0 Yes ND NO 0.05 0.12 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-05 9 0 Yes ND ND 0.25 0.44 <br /> BENZENE 917-06 14 0 Yes No ND 0.05 0.18 <br /> ETRACHLOROETHYLENE(PCE) 917-06 10 0 Yes ND NO 0.05 0.15 <br /> RICHLOROETHYLENE(TCE) 917-06 10 0 Yes ND NO 0.05 0.15 <br /> VINYL CHLORIDE 917-06 10 0 Yes ND NO 0,05 0.077 <br /> TOTAL 1,2-0ICHLOROETHYLENE 917-06 10 0 Yes NO NO 0.25 0.33 <br /> BENZENE 917-07 16 8 No NT NT 0.14 5 <br /> ETRACHLOROETHYLENE(PCE) 917-07 12 0 Yes ND NO Us 0.061 <br /> RICHLOROETHYLENE(rCE) 917-07 12 0 Yes NO NO o.05 0.054 <br /> VINYL CHLORIDE 917-07 12 0 Yes NO NO Us 0.064 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-07 12 0 Yes NO ND 0.25 0.25 <br /> BENZENE 917-08 11 0 Yes NO NO 0.13 0.22 <br /> ETRACHLOROETHYLENE(PCE) 917-08 7 D Yes NO NO 0.05 0.068 <br /> RICHLOROETHYLENE(TCE) 917-08 7 0 Yes NO NO 0.05 0.061 <br /> VINYL CHLORIDE 917-08 7 0 Yes NO NO 0.05 0.061 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-08 7 0 Yes ND ND D.25 0.25 <br /> BENZENE 917-09 11 1 No D D 0.05 0.19 <br /> ETRACHLOROETHYLENE(PCE) 917-09 7 a Yes ND ND 0.05 0.061 <br /> RICHLOROETHYLENE(TCE) 917-09 7 0 Yes NO NO 0.05 0.061 <br /> VINYL CHLORIDE 917-09 7 0 Yes ND NO 0.05 0.061 <br /> OTAL 1,2-DICHLOROETHYLENE 917-09 7 0 Yes ND NO 0.25 0.25 <br /> BENZENE 917-10 18 18 No PD 5 240 300 <br /> ETRACHLOROETHYLENE(PCE) 917-10 14 0 Yes ND ND 0.18 0.6 <br /> RICHLOROETHYLENE(TCE) 917-10 14 0 Yes ND ND 0.15 0.59 <br /> VINYL CHLORIDE 917-10 14 0 Yes NO ND 0.2 0.6 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-10 14 0 Yes ND ND 0.93 1.7 <br /> BENZENE 917-11 13 0 Yes ND NO 0.05 0.17 <br /> ETRACHLOROETHYLENE(PCE) 917-11 9 0 Yes ND ND 0.05 0.054 <br /> RICHLOROETHYLENE(TCE) 917-11 9 0 Yes NO NO 0.05 0.058 <br /> VINYL CHLORIDE 917-11 9 0 Yes ND NO 0.05 0.064 <br /> TOTAL 1,2-0ICHLOROETHYLENE 917-11 9 0 Yes NO NO 0.25 0.25 <br /> BENZENE 917-12 13 1 No 0 D 0.05 0.17 <br /> ETRACHLOROETHYLENE(PCE) 917-12 9 0 Yes NO NO 0.D5 0.064 <br /> RICHLOROETHYLENE(TCE) 917-12 9 0 Yes NO NO 0,D5 0,058 <br /> VINYL CHLORIDE 917-12 9 0 Yes NO NO 04DS 0,058 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-12 9 0 Yes NO NO Us 025 <br /> BENZENE 917-13 16 8 No PD D 0.17 15 <br /> ETRACHLOROETHYLENE(PCE) 917-13 12 0 Yes NO NO 0.05 0,057 <br /> RICHLOROETHYLENE(TCE) 917-13 12 0 Yes NO ND 0.05 0,054 <br /> VINYL CHLORIDE 917-13 12 o Yes NO NO 0.05 0.06 <br /> TOTAL 1,2-DICHLOROETHYLENE 917-13 12 0 Yes NO ND 0.25 0.25 <br /> BENZENE 917-14 11 1 No D D 0.05 0.31 <br /> ETRACHLOROETHYLENE(PCE) 917-14 7 0 Yes NO ND 0.05 0.054 <br /> RICHLOROETHYLENE(TCE) 917-14 8 0 Yes No NO 0,05 0,11 <br /> VINYL CHLORIDE 917-14 7 0 Yes NO ND 0.05 0.059 <br /> OTAL 1,2-DICHLOROETHYLENE 917-14 7 a Yes ND ND 0.25 0.25 <br /> BENZENE 816-MW5 5 0 Yes ND ND 0.13 0.13 <br /> BENZENE 816-MW6 5 0 Yes ND ND 0.6 0.5 <br /> BENZENE 816.MW7 5 0 Yes ND ND 0.13 DA3 <br /> BENZENE 816-MW8 5 0 Yes ND ND 0.13 0.13 <br /> BENZENE B11MW9 5 0 Yes ND ND 0.13 0.13 <br /> BENZENE EW-1 7 3 No NT NT 0.6 1.5 <br /> ETRACHLOROETHYLENE(PCE) EW-1 7 0 Yes ND NO 0.4 0.53 <br /> RICHLOROETHYLENE(TCE) EM1 7 0 Yes ND ND 0.4 0,45 <br /> VINYL CHLORIDE EW-1 7 7 No S NT 450 430 <br /> OTAL 1,2-DICHLOROETHYLENE EW-1 7 7 No 5 NT 420 420 <br /> BENZENE EW-2 1 0 Yes N/A N/A 60 60 <br /> 2 <br />