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Applied Gectechnology Inc. <br /> Table 11 <br /> Volatile Organic Compounds in Groundwater <br /> By EPA Method 8020 (BETX only) <br /> USG Interiors <br /> Stockton, California <br /> December 1987 <br /> Federal Detection <br /> _ MCL.. Limit MW-1 MW-2 MW-3 <br /> COMPOUNDS: (ug/l) (ug") (ig/l) (ug/1) (ug/1) <br /> I <br /> Benzene 5 0.5 NO ND NO <br /> Ethylbenzene NP 0.5 NO 0.98 1.2 <br /> Toluene 2000 (1) 0.5 NO 0.52 NO <br /> Meta Xylenes 10000 (1) 0.5 NO 0.73 NO <br /> Ortho&Para Xylenes 0.5 NO 0.93 NO <br /> Notes: <br /> EPA Method 8020 used only to detect compounds listed. Typically referred to as BETX only. <br /> MCL-Maximum Contaminant Level. <br /> NO - Not detected. <br /> NP - None proposed. <br /> (1) Proposed MCL(to be finalized 12190). <br /> 4 <br /> l � <br />