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i <br /> a <br /> . EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> i � � <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 Matthew Taylor Date Analyzed 01-10-97 <br /> Wallace-Kuhl & Associates Matrix Water <br /> 3050 Industnal Blvd <br /> West Sacramento, CA 95691 <br /> Project 1444 Manposa Rd <br /> TPHd <br /> PPB <br /> Reporting Limit 50 <br /> QA/QC PARAMETER <br /> 0 Matrix Blank ND <br /> PERCENT RECOVERIES <br /> Laboratory Control Spike 67% <br /> Laboratory Control Spike Duplicate 68% <br /> ppb=parts per billion=ug/L=nucmgram per liter <br /> ND—Not detected Compound(s)may be present at concentrations below the reporting limit <br /> Spikes&Spike Duplicates were each spiked with 5000 ug of diesel standard <br /> ANALYTICAL PROCEDURES <br /> TPHd--Total petroleum hvdrmarbons as diesel(high boiling points)are measured by extraction using EPA Method 3510 followed by modified EPA <br /> Method 8015 with direct sample infection into a GC equipped with an FID <br /> 01-16-97 <br /> Lratory�esentattve Date Reported <br /> FXCELC1iEN1 FNV1I0NMLNrA1 IAHSLiCER Ii IEDBY rHESTATFOFCALIFORNIA <br /> IJEPARTM F'VT OF Hi_,\LI H SFRVILtS AS A HAMRDOIIS W ASrE TESTING LABORATORY <br /> 14r+1uncuiwn No 17W 21191 <br />