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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 /> RICHLOROETHYLENE(TCE) W020 31 21 No NT NT 5 55 <br /> VINYL CHLORIDE W-020 31 19 No PI NT 5 16 <br /> TOTAL 1,2-DICHLOROETHYLENE W-o20 31 30 No I NT 51 200 <br /> BENZENE W 021 5 0 Yes ND No 1 2.5 <br /> ETRACHLOROETHYLENE(PCE) W-021 5 0 Yes ND NO 1 2.6 <br /> RICHLOROETHYLENE(TCE) W-021 5 0 Yee ND NO 1 2.6 <br /> VINYL CHLORIDE W-021 5 0 Yes ND ND 1 2.5 <br /> TOTAL 1,2-DICHLOROETHYLENE W-021 5 0 Yee ND NO 1 2.6 <br /> BENZENE W-022 5 0 Yes ND ND 1 2.5 <br /> ETRACHLOROETHYLENE(PCE) VJ-022 5 0 Yes NO NO 1 Z6 <br /> RICHLOROETHYLENE(TCE) W-022 5 a Yes NO NO 1 2.6 <br /> VINYL CHLORIDE W-022 5 0 Yee NO ND 1 2.5 <br /> TOTAL 1,2-DICHLOROETHYLENE W-022 5 0 Yee ND NO 1 2.6 <br /> BENZENE W-023 6 a Yes ND ND 5 3.4 <br /> ETRACHLOROETHYLENE(PCE) M023 6 0 Yes NO NO 5 4.3 <br /> RICHLOROETHYLENE(TCE) W-023 6 a Yes NO ND 5 3.7 <br /> VINYL CHLORIDE W023 6 0 Yes NO ND 5 3.4 <br /> TOTAL 1,2-DICHLOROETHYLENE W023 6 0 Yes ND NO 5 3.7 <br /> ENZENE 1WO24 17 0 Yes ND NO 0.25 1.4 <br /> ETRACHLOROETHYLENE(PCE) VL024 17 0 Yes NO NO 1 1.5 <br /> RICHLOROETHYLENE(rCE) W-024 17 1 0 Yes NO NO 1 1.5 <br /> INYL CHLORIDE W-024 17 5 No D 0 1 1.7 <br /> OTAL 1,2-DICHLOROETHYLENE W-024 17 17 No D D 8 10 <br /> BENZENE W-025 18 0 Yes NO NO 1 2.2 <br /> ETRACHLOROETHYLENE(PCE) M025 18 0 Yes ND ND 1 2.4 <br /> RICHLOROETHYLENE(TCE) W-025 18 0 Yes ND NO 1 2.4 <br /> VINYL CHLORIDE W1025 18 0 Yes ND NO 1 2.2 <br /> TOTAL 1,2-DICHLOROETHYLENE W-025 18 1 No 0 0 1 2.4 <br /> BENZENE W-026 6 0 Yes ND ND 3 Z8 <br /> ETRACHLOROETHYLENE(PCE) Vµ026 6 0 Yes ND NO 3 2.8 <br /> RICHLOROETHYLENE(TCE) W-026 6 o Yes NO NO 3 2.8 <br /> VINYL CHLORIDE M026 6 0 Yes ND NO 3 2.9 <br /> TOTAL 1,2-DICHLOROETHYLENE W-026 6 0 Yes ND ND 3 2.9 <br /> BENZENE M027 10 0 Yes NO NO 1 1.9 <br /> ETRACHLOROETHYLENE(PCE) VV-027 10 0 Yes NO ND 1 2.1 <br /> RICHLOROETHYLENE(TCE) W-027 10 a Yes NO NO 1 2.1 <br /> VINYL CHLORIDE M027 10 0 Yes NO NO 1 1.9 <br /> TOTAL 1,2-DICHLOROETHYLENE M027 10 0 Yes NO NO 1 2.1 <br /> BENZENE W-028 5 0 Yes NO NO 1 2.4 <br /> ETRACHLOROETHYLENE(PCE) WL028 5 a Yes NO NO 1 24 <br /> RICHLOROETHYLENE(TCE) W-028 5 0 Yes NO NO 1 2.4 <br /> VINYL CHLORIDE W-028 5 0 Yes NO ND 1 2.4 <br /> TOTAL 1,2-DICHLOROETHYLENE W-028 5 0 Yes NO NO 1 2.5 <br /> BENZENE W-029 5 a Yes ND NO 5 4 <br /> ETRACHLOROETHYLENE(PCE) W-029 5 0 Yes NO NO 5 4 <br /> RICHLOROETHYLENE(TCE) W-029 5 a Yes ND ND 5 4 <br /> VINYL CHLORIDE W-029 5 0 yes NO NO 5 4 <br /> TOTAL 1,2-DICHLOROETHYLENE V4029 5 0 yes ND ND 5 4.1 <br /> BENZENE W-030 16 0 Yes NO NO 1 2.1 <br /> ETRACHLOROETHYLENE(PCE) W-030 16 0 Yes NO NO 1 2.2 <br /> RICHLOROETHYLENE(TCE) W-030 16 a yes ND ND 1 2.2 <br /> VINYL CHLORIDE W-030 16 2 No D D 1 2.3 <br /> TOTAL 1,2-DICHLOROETHYLENE W-030 16 0 Yes NO NO 1 2.3 <br /> BENZENE W-031 6 0 Yes ND NO 5 4.2 <br /> ETRACHLOROETHYLENE(PCE) W031 6 a Yes NO NO 5 4.2 <br /> RICHLOROETHYLENE(TCE) V,4031 6 0 Yes ND NO 5 4.2 <br /> VINYL CHLORIDE M31 5 0 Yes NO NO 5 4.2 <br /> TOTAL 1,2-DICHLOROETHYLENE W-031 6 0 Yes NO ND 5 4.2 <br /> BENZENE W-032 5 0 Yes NO NO 1 2.5 <br /> ETRACHLOROETHYLENE(PCE) W-032 5 0 Yes NO NO 1 2.6 <br /> RICHLOROETHYLENE(TCE) 2232 5 0 Yes NO NO 1 2.6 <br /> INYL CHLORIDE W032 5 0 Vas NO ND 1 2.5 <br /> OTAL 1,2-DICHLOROETHYLENE 1W032 5 0 Yes NO NO 1 2.6 <br /> 5 <br />