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SEQUOIA ANALYTICAL
<br /> 1900 Bates Avenue • Suite LM a Concord, California 94520
<br /> (510) 686-9600 e FAX (510) 686-9689
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<br /> ux Associates `A �lient`tr"o�ect ID Aresib%Stockton Sampe Oct n , 199
<br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Oct 7, 19931
<br /> }#Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Oct 11, 1993}
<br /> Attention Paul Supple First Sample# 310-0274 n
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<br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION
<br />' Reporting Sample
<br /> Analyte Limit I.D
<br /> mg/kg 310-0274
<br /> CA 4 (A-D)
<br /> Purgeable
<br />' Hydrocarbons 10 27
<br /> Benzene 0 005 ND
<br /> Toluene 0 005 ND
<br />' Ethyl Benzene 0 005 00051
<br /> Total Xylenes 0 005 0 012
<br />'Chromatogram Pattern Non-gasoline
<br /> Mixture >C10
<br /> Quality Control Data
<br /> Report Limit Multiplication Factor 10
<br /> Date Analyzed 10/7/93
<br /> Instrument Identification HP-5
<br /> Surrogate Recovery, % 99
<br /> (OC Limits = 70-130%)
<br />'Forgeable Hydrocarbons are quantitated against a fresh gasoline standard
<br /> Analytes reported as N D were not detected above the stated reporting limit
<br /> QUOIA AN YTICAL
<br /> Kenneth KF Lee
<br /> Laboratory Director
<br />' 3100274 ROU <1>
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