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ALYTICAL <br /> 1900 Bites Avenue • Suite LM • Concord,California 94520 <br /> (510) 666.9600 • FAX (510)686.9689 <br /> r <br /> AI#on Gebscience lent' r6ject'1D Mobil Bulk 04-343/30-0136' <br /> 5870 Stoneridge Drive, Suite 6 Sample Matrix: Water Received:Sampled:" May 2�,"1993 <br /> Pleasanton,CA 94588 Analysis Method: EPA 5030/8015/8020 Reported: Jun 8, 1993 <br /> .!Attention: <br /> St <br /> e hen Rosen A First Sample# 306-002 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> Ng/L 306-0020 306-0021 306-0022 306-0023 306-0024 306-0025 <br /> AW- 1 AW-2 AW-3 AW-4 AW-6 AW-6 <br /> E <br /> Purgeahle <br /> f <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 /> i <br /> Toluene 0.5 N.D. N.D. N.D. N.D. N.D. N.D. <br /> i <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. <br /> 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: 6/3/93 6/3/93 6/3/93 6/3/93 6/3/93 6/3/93 <br /> Instrument Identification: HP-4 HP-4 HP-5 HP-4 HP-5 HP-5 <br /> Surrogate Recovery, %: 104 99 106 99 116 108 <br /> (QC 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 /> *SEQ IA ANAL CAL <br /> r <br /> c A hi ffo <br /> Project Manager <br /> 3OW020ALT t> <br />