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Table 2 (Cont. ) <br /> Western Stone Products-Tracy <br /> j Summary of Laboratory Analysis-Water <br /> Results in ppb <br /> Date Sample ID B T EB X TPHD <br /> ------------------------------------------------------------------ <br /> 04/07/92 WSPTR MW-1 ND ND ND ND ND <br /> WSPTR MW-2 ND ND ND ND ND <br /> WSPTR MW-3 ND ND ND ND ND <br /> WSPTR MW-4 ND ND ND ND ND <br /> -I WSPTR MW-3 ND . / ND ND ND <br /> 2 0 . 57 <br /> OTD <br /> 10/07/92 WSPTR MW-3 ND ND ND ND ND <br /> WSPTR MW-4 ND ND ND ND ND <br /> 10/09/92 Baker Tank ND ND ND 11 1900 <br /> Tank Pit ND ND 4 . 8 3 . 4 330 <br /> Detection Limit: 0. 50 0 . 50 0 . 50 0 . 50 50 <br /> MCL 1 40* 30* 20* NE <br /> Note: ppb = Parts Per Billion <br /> B = Benzene <br /> T = Toluene <br /> EB = Ethylbenzene <br /> X = Xylenes <br /> BTEX = analyzed by EPA method 8020 . <br /> TPHD = Total Petroleum Hydrocarbons as Diesel analyzed by <br /> EPA method 3510/8015 . <br /> ND = None Detected at or above method detection limits. <br /> MCL = Maximum Contaminant Levels, State of California <br /> Drinking Water Standards <br /> NE = Not Established <br /> * = Proposed Secondary MCL <br /> WSTTABL.WS <br />