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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> , <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 9567$ s� <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> QA/OC REPORT <br /> Attention Mr Matt Taylor Date Analyzed 04-21-97 <br /> Wallace-Kuhl & Associates Matrix Water <br /> 3050 Industrial Blvd <br /> v`,est Sac-arise:to C ; 95691 <br /> Project 2938 0311444 Manposa Ave <br /> TPHd <br /> PPB <br /> Re2orting Lunt 50 <br /> QA/QC PARAMETER <br /> Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Laboratory Control Spike 68% <br /> Laboratory Control Spike Duplicate 670/o <br /> ppb=parts per billion=ug/L=microgram per hter <br /> ND=Not detecti.d Compound(s)may be present at concentrations below the reporting limit <br /> Spikes&Spike Dupticntes were each spiked with 5000 ug otalesel standard <br /> iLN IL[V I iCAL PROCEDURES <br /> TPIld- [otai porokum h,.drocarbons as diesel(high boiling points)ire measured by extraction using EPA Method 1510,followed'bv modified EPA <br /> '01.thod 801 S with direct sample injection into a GC 4tlulpped with an FID <br /> 04-22-97 <br /> +Laratory Representative Date Reported <br /> IM E 11 t1t 411 MIRONMI NIAI I A11SN( I RIIIII UIVY 111E SIAIrot i AH) <br /> IAI'ARIMIN IL'III IAtIIISI1,%, 1S4SAIIA/ARIk)IISWASJI 115[[NL IAI0.)RAIIIRY <br /> 0 nirW.ii nN 17M1 '114) <br />