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Spargero Ana cal <br /> lyti Laboratory D ivision <br /> Mobile Laboratory DvsionT�h� yinc <br /> Scientific Division <br /> With Automotlon in Mrnd <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Ms Sydney Geels Date Sampled Nov 16, 1994 <br /> 1T Corporation Date Received Nov 16, 1994 <br /> 4585 Pacheco Boulevard Date Analyzed Nov 16, 1994 <br /> Martinez, CA 94553 <br /> Project ID 191259 Protect Name Pacific Bell - Ashley <br /> Client ID WALL 2 - MS LAB ID STM94-11-056A MS <br /> WALL 2 - MSD STM94-11-056A MSD <br /> Matrix Soil Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb NO 30 33 ug/kg 100% 110% 10% <br /> Toluene 30 ppb NO 28 30 ug/kg 93% 100% 7% <br /> Ethylbenzene 30 ppb ND 26 26 ug/kg 87% 87% 0% <br /> Xylenes 30 ppb ND 25 25 ug/kg 83% 83% 0% <br />' Surrogate % Recovery of Trifluorotoiuene = 112% <br /> ppb-parts per billion=ug/kg=mrctogtams per kilogram <br /> ppm=parts per million=u919=micrograms per gram <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection f rrid <br /> Nov 16, 1994 <br /> R L James Principal Chemist DATE <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY !NC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CemUCaUon No 5574) <br /> ��50 Fl,`e S-jrte 112 - Socrom>ento Cc,'lfcrn;o 95827 9 (916) 362-8947 . FAX(916) 362-0947 <br />