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Spargero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technok)gylnc. Sclentific Division <br /> With Automation in Mind <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Kevin McKibben Date Sampled: Apr 12, 1994 <br /> Geological Audit Services, Inc. Date Received: Apr 14, 1994 <br /> 1803 W. March Lane, Suite A <br /> Stockton, CA 95207 <br /> Project ID: Project Name Municipal Service Center <br /> Client ID: MS/MSD LAS ID: ST94-04-018 MS <br /> ST94-04-018 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 ND 29 29 ug/kg 970,% 97% 0% <br /> Toluene 30 ppb ND 29 29 ug/kg 970,0 97% 0% <br /> Ethylbenzene 30 ppb ND 29 29 uglkg 97% 97410 0% <br /> Xylenes 30 ppb ND 30 29 ug/kg 10011/10 97% 3% <br /> Surrogate % Recovery of Trifluorotoluene = 100% MS 100% MSD <br /> Ppb=parts per bifi,an=ugiao= c'p.wa,s pe,4.:oyram <br /> ppm=parts per—11hon=ugi,_-,,,c cy ra rra per gram <br /> ',U=r:at petecIed Comoc, +;:a;.r!e,pe,^reser;al belevd'ne tetec:,on'�m I <br /> Apr 21, 1994 <br /> R L James, Principal Chemist DATE <br /> --PARGER TECHNOLOGY.AP,ALYTICAL LAEGRATORY INC S,C=RT[FiEC'E�'-Hk S`A-E CAUF•_Rr:_4 <br /> CEPARTNIENT I.ZIF:-[SALT+ SERVICES AS A HAZARD,-Lo Y1'A$'E TESTING LAE'RATORr <br /> (Cer,l(ication No tf,14) <br /> 3050 Fite Circle, Suite 112 9 Sacramento, Colifornio 95827 9 (916) 362-8947 • FAX (996) 362-0947 <br />