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0 Sparger Analytical Laboratory Division <br /> Mobile Laboratory DhnslonTeChnoyInc <br /> Scientific Dhtnslon <br /> With Automation in Mind <br /> EPA Method 8020 <br />' Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br />' ,ttention Mr Claudio Avila Date Sampled Oct 11, 1996 <br /> EMCON Date Received Oct 14, 1996 <br />' 1433 North Market Blvd Date Analyzed Oct 15, 1996 <br /> Sacramento, CA 95834 Invoice# 7090 <br />' 'roject ID 2613-10001 Project Name Don Rodgers <br /> Tient ID LCS/LCSD LAB ID 7090-LCS <br /> 7090-LCSD <br /> vlatrix Sod Dilution <br /> Spike Sample LCS LCSD LCS % LCSD % % RPD QC Limits <br /> Name Added Conc Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 NO 29 29 ug/kg 97% 97% 0% 20 65-135 <br /> Toluene 30 NO 30 29 ug/kg 100% 97% 3% 20 65-135 <br /> Ethylbenzene 30 NO 29 28 ug/kg 97% 93% 4% 20 65-135 <br />' m,p-Xylenes 60 ND 60 57 ug/kg 100% 95% 5% 20 65-135 <br />' Surrogate % Recovery of Trifluorotoluene = 96% LCS 96% LCSD <br /> ppb=parts per billion=ugikg=mKngrems per kikogram <br />' ppm,parts per million=ugig=micrograms per gram <br /> ND=Nat Oelected Compound(s)may be preserd at owmentrations below Uro datedion hmd <br />' Oct 17, 1996 <br /> C Chapma GC Supervisor Date Reported <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 /> (Cenr ication No 1614) <br /> 802OLCSS XLS <br /> 3050 Fite Circle Suite 412 • Sacramento California 95827 + (996) 362-8947 • FAX (916) 362-0947 <br />