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Titley2'_ Droanic Chemical Analyses CITY OF STOCKTON WELLS <br /> �..i 1 #10 - Benjamin Holt �... <br /> EPA MCL DLR 5/23 9/09 11/16 3/15 5/17 9/26 1/03 3/28 1 <br /> CONSTITUENT Method uglL ug/L 19BB 1986 1988 1989 1989 1989 1990 1991 1 <br /> ------------------------------------------------------------------------------------------------- <br /> Bromodichloromethane 502.2 0.50 nd nd nd nd nd <br /> Bromoform 502.2 0.50 1 nd nd nd nd nd <br /> Chloroform 502.2 0.50 nd nd . nd nd nd <br /> Dibromochloromethane 502.2 0.50 nd nd nd nd nd 1 <br /> Benzene 502.2 1 0.50 nd nd nd nd nd nd nd 1 <br /> Carbon tetrachloride 502.2 0.5 0.50 nd nd nd nd nd nd nd <br /> Ethyl benzene 502.2 6BO 0.50 1 nd nd nd nd nd <br /> 1,4-Dichlorobenzene 502.2 5 0.50 nd nd nd nd nd nd nd 1 <br /> 1,2-Dichloroethane 502.2 0.5 0.50 nd nd nd nd nd nd nd 1 <br /> 1,1-Dichloroethylene 502.2 6 0.50 1 nd nd nd nd nd nd nd 1 <br /> C-1,3-Dichloropropene 502.2 0.50 1 nd nd 1 <br /> t-1,3-Dichloropropene 502.2 0.50 1 nd nd 1 <br /> Total 1,3-dichlloropropene 502.2 0.5 0.50 1 nd nd nd 1 <br /> Monochlorobenzene 502.2 30 0.50 1 nd nd nd nd nd 1 <br /> 1,1,2,2-Tetrachloroethane 502.2 1 0.50 1 nd nd nd nd nd 1 <br /> Tetrachloroethylene (PCE) 502.2 5 0.50 1 nd nd nd nd nd 1 <br /> 1,1,1-Trichloroethane 502.2 200 0.50 1 nd nd nd nd nd nd nd 1 <br /> 1,1,2-Trichloroethane 502.2 32 0.50 1 nd nd nd nd nd 1 <br /> Trichloroethylene (TCE) 502.2 5 0.50 1 nd nd nd nd nd nd nd 1 <br /> Vinyl chloride 502.2 0.5 0.50 1 nd nd nd nd nd nd nd 1 <br /> m/ Xylene 502.2 0.50 1 nd nd nd nd 1 <br /> 0-Xylene 502.2 0.50 1 nd nd nd nd 1 <br /> Total xylenes 502.2 1750 0.50 1 nd nd nd 1 <br /> Dibromochloropropane (DBCP) 504 0.2 0.01 1 nd nd nd nd nd 1 <br /> Ethylene dibromide (EDB) 504 0.02 0.02 1 nd nd nd nd nd 1 <br /> Atrazine 507 3 1.0 1 nd nd 1 <br /> Simazine 507 10 1.0 1 nd nd 1 <br /> Carbofuran - - Waived by DHS - - 1 1 <br /> Glyphosate - - Waived by DHS - - 1 1 <br /> Chlordane - - Waived by DHS - - 1 1 <br /> Heptachlor - - Waived by DHS - - 1 1 <br /> Heptachlor epoxide - - Waived by DHS - - 1 1 <br /> Diethylhexylphthalate - - Waived by DHS - - 1 1 <br /> Endrin 0.2 1 <0.01 <br /> Lindane 4 1 <0.4 <br /> Methoxychlor 100 1 <10 <br /> ToxaNene 5 1 <0.5 <br /> 2,4-t 100. 1 <10 <br /> 2,4,5-TP Silvex 10 1 <1 <br /> Bromobenzene 502.2 0.50 1 nd nd nd nd nd 1 <br /> Bromochloromethane 502.2 0.50 1 nd nd nd nd 1 <br /> Bromomethane 502.2 0.50 1 nd nd nd nd nd 1 <br /> n-Butylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> Sec-but-lbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> Tert-butylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> Chloroethane 502.2 0.50 1 nd nd nd nd nd 1 <br /> Chloromethane 502.2 0.50 1 nd nd nd nd nd 1 <br /> 2-Chlorotoluene 502.2 0.50 1 nd nd nd nd nd 1 <br /> 4-Chlorotoluene 502.2 0.50 1 nd nd nd nd nd 1 <br /> Dibromomethane 502.2 0.50 1 nd nd nd nd nd 1 <br /> 1,2-Dichlorobenzene 502.2 0.50 1 nd nd nd nd nd 1 <br /> 113-Dichlorobenzene 502.2 0.50 1 nd nd nd nd nd 1 <br /> Dichlorodifluoromethane 502.2 0.50 1 nd nd nd nd 1 <br /> 1,1-Dichloroethane 502.2 TBD 0.50 1 nd nd nd nd nd 1 <br /> c-1,2-Dichloroethylene 502.2 TBD 0.50 1 nd nd nd nd nd 1 <br /> t-1,2-Dichloroethylene 502.2 TBD 0.50 1 nd nd nd nd nd 1 <br /> 1,2-Dichloropropane 502.2 TBD 0.50 1 nd nd nd nd nd 1 <br /> 1,3-Dichloropropane 502.2 0.50 1 nd nd nd nd nd 1 <br /> 2,2-Dichloropropane 502.2 0.50 1 nd nd nd nd nd 1 <br /> 1,1-Dichloroppropene 502.2 0.50 1 nd nd nd nd nd 1 <br /> Hexachlorobutadiene 502.2 0.50 1 nd nd nd nd 1 <br /> lsopropylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> t-Isopropyltoluene 502.2 0.50 1 nd nd nd nd 1 <br /> Dichloromethane 502.2 0.50 1 4.1 nd nd nd nd 1 <br /> NapPthalene 502.2 0.50 1 nd nd nd nd 1 <br /> n-Propylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> Styrene 502.2 0.50 1 nd nd nd nd nd 1 <br /> 10,14-Tetrachloroethane 502.2 0.50 1 nd nd nd nd nd 1 <br /> Toluene 502.2 0.50 1 nd nd nd nd nd 1 <br /> 1,2,4-Trichlorobenzene 502.2 0.50 1 nd nd nd nd 1 <br /> 1,2,3-Trichlorobenzene 502.2 0.50 1 nd nd nd nd 1 <br /> Trichlorofluoromethane 502.2 TBD 0.50 1 nd nd nd nd 1 <br /> 1,2,3-Trichl0ropropane 502.2 0.50 1 nd nd nd nd nd 1 <br /> Trichlorotrifluoroethane 502.2 TBD 0.50 1 nd nd nd nd 1 <br /> 1,2,4-Trimethylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> 1,3,5-Trimethylbenzene 502.2 0.50 1 nd nd nd nd 1 <br /> ---------------------------------------_------------------------------------------------------- <br /> MCL - Maximum Contaminant Level. TBD To be determined. <br /> r,a - yn} r+c4 or+ori cl n,D rn,*_+z-- it-:t t-- -----,:-- _---..____I <br />