S OiA ANALYTICAL
<br /> 1900 Bates Avenue • Suite LM • Concord,California 94520
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<br /> ton�eoscence dent project I Mobil X04343 j30-0136 SampledIpr 2, 199:1
<br /> 670 Stoneridge Drive, Suite 6 Sample Matrix: Water Received: Apr 2, 1993
<br /> <Pleasanton,CA 94588
<br /> Analysis Method: EPA 5030 8015 8020 Reported:Y / / po Apr 9. 1993::
<br /> Attention: Stephan Rosen First Sample 304-033%'
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<br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEC DISTINCTION
<br /> Reporting Sample Sample Sample Sample Sample Sample
<br /> p P
<br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D.
<br />! Etg/L 304-0133 304-0134 304-0135 304-0136 304-0137 304-0138
<br /> TB-LB AW-1 AW-2 AW-3 AW-4 AW-5
<br />' Purgeable
<br /> Hydrocarbons 50 N.D. N.D. N.D. N.D. N.D. N.D.
<br /> Benzene 0.5 N.D. N.D. N.D. N.D. N.D. N.D.
<br /> Toluene 0.5 N.D. N.D. N.D. N.D. N.D. N.D.
<br /> Ethyl Benzene 0.5 N.D. N.D. N.D. N.D. N.D. N.D.
<br /> Total Xylenes 0.5 N.D. N.D. N.D. N.D. N.D. N.D.
<br /> Chromatogram Pattern:
<br /> Quality Control Data
<br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 1.0 1.0
<br /> Date Analyzed: 4/6/93 4/6/93 4/6/93 4/6/93 4/6/93 4/6/93
<br /> Instrument Identification: HP-2 HP-2 HP-2 HP-2 HP-2 HP-2
<br /> Surrogate Recovery, %: 104 104 106 106 105 107
<br /> (OC Limits = 70-130%)
<br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard.
<br /> Analytes reported as N.D.were not detected above the stated reporting limit.
<br /> 'O'SEQUO-141 ANALYTICAL
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<br /> Project Manager
<br /> 3D40133JILT <1>
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