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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) W-322 1 0 Yes N/A NIA 0.16 0.16 <br /> INYL CHLORIDE W-322 1 0 Yes NIA NIA 0.06 0.06 <br /> OTAL 1,2-DICHLOROETHYLENE W322 1 0 Yes NIA N/A 0.5 0.5 <br /> ENZENE W.323 8 6 No NT NT 1.1 1.1 <br /> ETRACHLOROETHYLENE(PCE) W-323 8 0 Yes ND NO 0.05 0.32 <br /> RICHLOROETHYLENE(rCE) W-323 8 0 Yes NO NO 0.05 0.29 <br /> INYL CHLORIDE W-323 8 8 No S S 5.2 5.4 <br /> OTAL 1,2-DICHLOROETHYLENE W-323 8 6 No S S 2 is <br /> BENZENE VIL324 8 2 No D D 0.28 0.32 <br /> ETRACHLOROETHYLENE(PCE) W-324 8 2 No NT PD 0.33 0.75 <br /> RICHLOROETHYLENE(TCE) M324 8 7 No D D 3.2 Z9 <br /> INYL CHLORIDE W.324 8 7 No D D 3.5 7.3 <br /> OTAL 1,2-DICHLOROETHYLENE W324 8 8 No D D 38 89 <br /> ENZENE W-325 8 3 No D D 1.5 2.7 <br /> ETRACHLOROETHYLENE(PCE) W.325 8 6 No S PD 9.2 9.1 <br /> RICHLOROETHYLENE(TCE) M325 8 8 No S D 72 81 <br /> INYL CHLORIDE W-325 8 8 No D D 35 82 <br /> OTAL 1,2-DICHLOROETHYLENE VVJ25 8 8 No S D 1000 1000 <br /> BENZENE W326 5 0 Yee ND ND 0.05 0.053 <br /> ETRACHLOROETHYLENE(PCE) W-326 5 0 Yes NO NO 0.05 0.088 <br /> RICHLOROETHYLENE(TCE) W-326 5 0 Y. ND NO 0.05 0.071 <br /> INYL CHLORIDE W-326 5 0 Yes ND NO 0.05 0.052 <br /> OTAL 1,2-DICHLOROETHYLENE W-326 5 0 Yes ND ND 0.25 0.3 <br /> ENZENE N4328 6 0 Yes ND ND 0.05 0.053 <br /> ETRACHLOROETHYLENE(PCE) M328 6 0 Yes ND NO 0.05 0.073 <br /> RICHLOROETHYLENE(TCE) W-328 6 0 Yes NO NO 0.05 0.068 <br /> INYL CHLORIDE W328 6 5 No NT 1 1.6 1.4 <br /> OTAL 1,2-DICHLOROETHYLENE W-328 6 5 No s NT 6.3 8.2 <br /> ENZENE W-329 7 0 yes NO ND 0.05 0.063 <br /> ETRACHLOROETHYLENE(PCE) W329 7 0 Yes ND ND 0.05 0,081 <br /> RICHLOROETHYLENE(TCE) W329 7 0 Yes NO NO 0.05 0.076 <br /> INYL CHLORIDE W-329 7 6 No S NT 1.7 1.5 <br /> OTAL 1,2-DICHLOROETHYLENE W-329 7 7 No S S 29 28 <br /> BENZENE W-330 5 0 Yes ND NO 0.05 0.093 <br /> ETRACHLOROETHYLENE(PCE) W-330 5 0 Yes ND NO 0.05 0.12 <br /> RICHLOROETHYLENE(TCE) w-330 5 0 Yes ND NO 0.05 0.11 <br /> INYL CHLORIDE W-330 5 3 No s D 0.5 0.71 <br /> OTAL 1,2-DICHLOROETHYLENE W-330 5 5 No S S 12 12 <br /> ENZENE WC-1 14 0 Yes ND NO 0.05 0.91 <br /> ETRACHLOROETHYLENE(PCE) wC-1 14 0 Yes NO ND 0.075 0.97 <br /> RICHLOROETHYLENE(TCE) WC-1 14 o Yes ND ND 0.05 0,97 <br /> INYL CHLORIDE we-1 14 0 Yes NO NO 0.075 0.92 <br /> OTAL 1,2-DICHLOROETHYLENE wC-1 14 o Yea NO ND 0.25 1.1 <br /> ENZENE WC-2 22 1 No D D 0.38 1.5 <br /> ETRACHLOROETHYLENE(PCE) WC-2 22 1 No D D 1 1.7 <br /> RICHLOROETHYLENE(TCE) WC-2 22 1 No D D 1 1.5 <br /> INYL CHLORIDE WC-2 22 0 Yes NO NO 0,38 1.5 <br /> OTAL 1,2-DICHLOROETHYLENE WC-2 22 1 No D D 0.75 1.7 <br /> ENZENE WC-3 14 0 yes NO NO 0.088 1.3 <br /> ETRACHLOROETHYLENE(PCE) WC-3 14 0 Yes NO NO 0.11 1.3 <br /> RICHLOROETHYLENE(TCE) WC-3 14 0 Yes ND NO 0.088 1.3 <br /> INYL CHLORIDE WC-3 14 0 Yes ND NO 0,11 1.3 <br /> OTAL 1,2-DICHLOROETHYLENE WC-3 14 0 Yes NO ND 0.25 1A <br /> LENZENE WC-4 13 o yes ND ND 0,13 1A <br /> THYLENE(PCE) WCd 43 1 No D D 0.13 1.6 <br /> YLENE(rCE) WC-4 13 0 Yes ND NO 0,13 1.4 <br /> E WC-4 13 0 Yes NO NO 0.13 1A <br /> OROETHYLENE WC� 73 0 Vas ND ND o.25 1.5 <br /> Notes: <br /> D=Decreasing <br /> PD=Probably Decreasing <br /> I=Increasing <br /> PI=Probably Increasing <br /> NT=No trend <br /> NO=not detected <br /> S=Stable <br /> uglL=micrograms per Ider <br /> 25 <br />