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��► Converse Envlrolab Telephone (818) 351 2330 <br /> 'A / 169 North Halstead Street, Pasadena California 91107-3127 FAX (8 18) 568 9165 <br /> Envi.rolab No. : 93-10-143 Date Sampled : Oct 15, 1993 <br /> Project No. : 0071-05-01-0001 Date Received : Oct 17, 1993 <br /> Proiect/Client : CALTRANS-SHOP 10 Report Date : Oct 25, 1993 <br /> Project Eng/Mgr: Norman Sacro <br /> 1 Analysis Method: 8015G/8020 ppb <br /> Sample ID 143-25 143-26 143-27 143-28 143-29 143-30 DL <br />' Client Sample ID SB18 @50 SB18 @55 SB18 @60 SB18 @65 SB18 @69 5817 <br /> Batch Number Q291GI21 Q291GI21 Q291GI21 Q291GI21 Q291GI21 Q291GI21 <br /> Date Analyzed 10/20/93 10/20/93 10/20/93 10/20/93 10/20/93 10/20/93 <br />' Benzene 1 1 -N D - -N D - -N D - -N D - 450 0 0 5 <br /> Chlorobenzene -N D - -N D - -N D - -N D - -N D - -N D - 0 5 <br /> 1,2-Dichlorobenzene -N D -N D -N D - -N D - -N D - -N D - 0 5 <br /> 1,3-Dichlorobenzene -N D - -N 0 - -N D - -N D - -N D - -N D - 0 5 <br /> 1,4-Dichlorobenzene -N D - -N D - -N D - -N D - -N D - -N D - 0 5 <br /> Ethyl Benzene -N D - -N D - -N D - -N D - -N D - 82 0 0 5 <br /> Toluene 1 1 -N D - -N 0 - -N 0 - -N D - 230 0 0 5 <br /> Xylenes 19 0 -N D - -N D - -N D - -N D - 660 0 0 5 <br />' Total Petroleum Hydrocarbons 180 0 -N D - -N D - -N D - -N D - 4700 0 50 0 <br /> REMARKS <br /> 143-30 Units = ug/L DL X 10 <br /> Units ug/kg <br /> DL Detection Limits <br />' N D Not Detected <br /> Trace Detected, but less than DL <br /> 1 <br /> page 3 <br />' A wholly Owned Sobsidlary of <br /> The Converse Professional Group <br />