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Table 3 <br />WELL VOLATILE ORGANIC COMPOUND DATA <br />Sample Sample <br />Number Date <br />VC <br />BENZ <br />Volatile <br />EDB <br />Or <br />DCA <br />nic Compound <br />MECL <br />Concentration <br />PCE <br />(ppb) <br />CCL4 <br />TCA <br />TCE <br />CHCL3 <br />W-1 2/25/88 <br />4,500 <br />810 <br />NO <br />6.5 <br />170 <br />30 <br />ND <br />610 <br />130 <br />ND <br />W-2 2/25/88 <br />29 <br />77 <br />ND <br />10 <br />130 <br />55 <br />NO <br />47 <br />100 <br />1.6 <br />W-3 2/26/88 <br />NO <br />850 <br />NO <br />84 <br />11,000 <br />220 <br />NO <br />36 <br />1,400 <br />NO <br />W-4 2/26/88 <br />ND <br />930 <br />NO <br />110 <br />4,200 <br />2,200 <br />ND <br />6.4 <br />1,300 <br />240 <br />W-5 2/26/88 <br />110 <br />310 <br />NO <br />21 <br />1,700 <br />400 <br />NO <br />55 <br />940 <br />NO <br />Regulatory <br />500 <br />500 <br />1 <br />20 <br />60 <br />10 <br />5 <br />10 <br />10 <br />2 <br />Detection Limit <br />Laboratory <br />2.0 <br />0.9 <br />0.6 <br />1.0 <br />10 <br />1.0 <br />0.7 <br />0.8 <br />0.9 <br />0.9 <br />Detection Limitl <br />Laboratory <br />4 <br />2 <br />1 <br />2 <br />20 <br />2 <br />2 <br />2 <br />2 <br />2 <br />Detection Limit2 <br />Abbreviations: <br />VC <br />= vinyl chloride <br />PCE = <br />tetrachloroethylene <br />BENZ <br />= benzene <br />CCL4 = <br />carbon tetrachloride <br />EDB <br />= ethylene dibromide <br />TCA = <br />1,1,1 -trichloroethane <br />DCA <br />= 1,2-dichloroethane <br />TCE = <br />trichloroethylene <br />MECL <br />= methylene chloride <br />CHCL3 = <br />chloroform <br />NO <br />= not detected <br />ppb = <br />parts per billion <br />1. <br />Laboratory detection <br />limit for Samples <br />W-1 and W-2. <br />2. <br />Laboratory detection <br />limit for Samples <br />W-3, W-4, and W-5. <br />PJ9 9390405.00D 2-7 Rev. 0 09/0788 <br />