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10/08/97 11:30 0916 362 0947 SPARGER IM019/026 <br /> Spar Analytical Laboratory DMsion <br /> gero Mobile Laboratory Division <br /> T6chnoICKj Y, Inc. Scientific DMcion <br /> With Automation in Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Ms. Sydney Geels Date Sampled: Aug 14, 1997 <br /> IT Corporation Date Received: Aug 14, 1997 <br /> 4585 Pacheco Blvd. Date Analyzed: Aug 14, 1997 <br /> Martinez, CA 94553 Invoice#: 8234 <br /> Project ID: 770932 Project Name: Pac Bell <br /> Client ID: MS/MSD(Batch) LAB ID: 8229-003MS <br /> 8229-003MSD <br /> Matrix: Soil Dilution 1: <br /> Spike Simple MS MSD MS% MSD% % RPD QC Limits <br /> Name Added Conc. Result Result Units Recovery Recovery_ Recovery RPD %Rec <br /> Benzene 30 ND 26 9 ug/kg 87% 30% 97% 20 65-135 <br /> Toluene 30 ND 30 28 ugtkg 100% 93% 7% 20 65-135 <br /> Ethylbenzene 30 ND 30 28 ug1kg 100% 93% 7% 20 65-135 <br /> rri'p-xylenes 60 ND 59 55 u 98%® 92% 7% 20 65-135 <br /> o-Xylenes 30 ND 30 28 ug/kg 100% 93% 7% 20 65-135 <br /> Surrogate%Recovery of Trifluorotoluene= 111% MS 111% MSD <br /> pp')=Parts Per OEM-u9 ft=m"tams per kiloaram <br /> ppm-parts per million-ug19-mkngmm per pram <br /> NO-Not Deteded. Compound(s)may bap at=n=*8U0m`belaw the ddisclion limit <br /> q <br /> Aug 19, 1997 <br /> R.L James,Principal Chemist Date Reported <br /> SPARGER TWMOLWY ANALYTICAL LABORATORY,INC is ceRTiFIED BY THE STATE OF CALIFORNIA <br /> DEpARTMENr OF HEALTH SERVrXZ AS A HAZARDOUS WASTE TESTING LABORATORY <br /> 16,14) <br /> 802OMSS.xis <br /> rnid 95827 (916) 3 -8947 • FAK(996) 362-0947 <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 62 <br />