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f - _ <br /> 1 <br /> Sherwood <br /> Labs 8071 NORTH LANDER AVENUE <br /> CORPORA TION P O BOX 937 <br /> HILMAR, CALIFORNIA 95324 <br /> 06/23/98 DHS Certification : 1400 <br /> ANALYSIS REPORT: BTEX/Total Petro Hydrocarbons as Gasoline <br /> CLIENT: Foothill Engineering <br /> 12793 Paddy Creek Lane <br /> Lodi, CA 95240 <br /> Attn: Ervin Rifenburg <br /> Date Sampled: 06/11/98 <br /> Date Received. 06/12/98 <br /> Project Name: Vogue Cleaners Date Started: 06/16/98 <br /> Date Completed 06/19/98 <br /> Sampled By: Don Light/DEL-TECH <br /> Lab Report #: H8O615O5 <br /> Water samples from the monitoring wells at Vogue Cleaners were <br /> checked for Stoddard's Solvent using purge and trap 8O15m HW-3S <br /> was positive while all other wells were below detectable limits. <br /> The volatile level in HW-3S was 818 ppb as Stoddard's Solvent and <br /> 1400 ppb as TPH Gas. While the retention window matched that of <br /> Stoddard's Solvent, the level of BTEX and other unidentified <br /> peaks in the sample indicates some gasoline It is this lab's <br /> opinion that both entities exist with the majority coming from <br /> Stoddard's Solvent. <br /> CIiLL .C.C��nrr�.Q <br /> Nancy Bi denweg <br /> Laboratory Director <br /> OFFICE (209) 667-5258 . FAX (209) 667-2581 • BBS (209) 667-4119 <br />