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Applied G"technology Inc. <br /> Table 12 <br /> Volatile Organic Compounds in Groundwater <br /> By EPA Methods 8010 and 8020 Combined <br /> USG Interiors <br /> Stockton, California <br /> June 1990 <br /> Federal. Detection <br /> 77- MCL Limit Trip <br /> Compounds (ug") (ug/1) MW-3: PW-1: PW-2 PW-3 PW-4 Blank <br /> Chloroform NP 0.2 NO NO NO NO NO NO <br /> Methylene Chloride NP 0.2 NO NO NO NO ND 2.2 (2R) <br /> Toluene 2000 (3) 0.5 NO ND NO 1.0 NO 9 (1R) <br /> Ethylbenzene NP 0.5 NO ND ND ND ND 1.1 (1 R) <br /> Total Xylenes 10000 (3) 0.5 NO NO 0.7 NO NO 1.1 (1 R) i <br /> i <br /> Notes: <br /> MCL- Maximum Contaminant Level <br /> NO - Not detected. <br /> NP- None proposed. <br /> (1)Trip blank from first sample set, MW-3, PW-1, PW-2 <br /> (2)Trip blank from second sample set. PW-3, PW-a. <br /> (3)Proposed MCL(to be finalized 12190). <br /> (R) Rejected value;confirmed as laboratory contamination. <br /> I. No detects for soil Samples S-1,S-2.S-3,or S-a. <br /> 1 <br /> I <br /> l. <br />