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Ot <br /> EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone#- (916) 773-3664 Fax#- (916) 773-4784 <br /> QA/QC REPORT <br /> Attention Mr John Bower BTEX Analyzed 05-28-96 <br /> SECOR Matrix Water <br /> 1734 34th Street <br /> Sacramento, CA 95618-7004 <br /> Project Time Oil -Manteca(Jackpot Food Mart) <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPB PPB PPB PPB <br /> Re ortln Limit 05 0 5 05 05 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> PERCENT RECOVERIES <br /> Matrix Spike 89% 9S% 98% 91% <br /> Matrix Spike 9011/0 96% 103% 1000/0 <br /> Dupheate <br /> PPb c parts per billion—ug/L—ancrognun per[der <br /> ND =Not decoded. Compound(s)may be presseni at=vicentmtjons below the reporting limit <br /> All surrogate recoveries were wlthln 30%of target values_ <br /> SPUMs&Spike Duplicates acre each spiked with 250 ng BTEX alandard <br /> ANALYTICAL PRQCEDujam <br /> BTEX—Benzene,toh-=p ethylbrzmx-�and total xyleneasott=Vr EX)arc wed by eAraceim EPA Metbad 5030"owed by An i <br /> using EPA Medved 602Avhtch utilim a gas dumnstograph(Cq equgq cd,,dh a rb to.....Uoa dltlu r(PID) <br />. 05-29-96 <br /> Date R&pixted <br /> t3+r�orvsso+tr-.a��s 13�'Tt�STAT€�CAt�aw <br /> tHYA12@trvF+1E4Uff5E1 tC'SlisAHAZA;axxswAsTETt3TINGLABORATC*rr <br /> t.�, _ Nm 176m <br />