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I <br /> ,s <br /> Sparger- Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> * 'T- A!!�^hnolo ylnc, Scientific Division <br /> With Autornotion in M 9 <br /> I <br /> I , <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Rick Walls Date Received Jan 12, 1996 <br /> Geocon Environmental Date Analyzed Jan 24, 1996 <br /> 3235'Sunrise Blvd , Ste 6 Invoice# 6151 <br /> Rancho Cordova, CA 95742 <br />' Project Name 305 S Hutchins <br /> Project ID S8080-06-03 <br /> Client ID LCS/LCSD LAB ID ST96-01-024 LCS <br /> ST96-01-024 LCSD <br /> Matrix Water Dilution <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 28 30 ug/L 93% 100% 7% <br /> lie <br /> Toluene 30 ppb ND 30 31 ug/L 100% 103% 3% <br /> Ethylbenzene 30 ppb ND 35 37 ug/L 117% 123% 6% <br /> Xylenes 30 ppb ND 35 37 ug/L 117% 123% 6% <br /> Surrogate % Recovery of Trifluorotoluene= 86% LCS 85% LCSD <br /> ppb=parts per billion=ug1L=micrograms per Luer <br /> ppm=parts per million=uglmL=micrograms per milliliter <br /> ND=Not Detected Compound(s)may be present at concentrations below the delectlon llmat <br /> Jan 25, 1996 <br /> R L James Pnnclpai Chemist Date Reported <br /> I <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> i <br /> 3050 Fite Circle Shite 112 • Sacramento Colifornro 95827 • (916) 362-8947 • FAX (916) 362-0947 <br /> 1 I <br />