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416 <br /> 90 North State Environmental <br /> Chemical Waste Disposal Trucking Consulting <br /> CERTIFICATE OF ANALYSIS <br /> Quality Control/Quality Assurance <br /> Lab Number 98-1692 <br /> Client Western Geo-Engineers <br /> ProOect ARC Pump & Welding / <br /> 1211 S French Camp Tpk Rd <br /> Date Reported. 12/30/98 <br /> Gasoline and BTEX by Methods 8015M and 8020 <br /> Reporting MS/MSD <br /> nalyte Method Lzm�t C3nit Blank Recovery RPD <br /> Gasoline 8015M 50 ug/L ND 112 12 <br /> Benzene 8020 0 . 5 ug/L ND 83 6 <br /> Ethylbenzene 8020 0 . 5 ug/L ND 95 7 <br /> Toluene 8020 0 . 5 ug/L ND 78 7 <br /> Xylenes 8020 1 0 ug/L ND 93 7 <br /> i <br /> FLAP Certificate NO 1753 <br /> evlewed and pproved <br /> 'j Page 2 of 2 <br /> John A Murphy,Laboratory Director <br /> P 0 Box 5624 • South San Francisco , California 94083 • 554- 588- 2838 FAX 588 - 1950 <br />