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j SEQUOIA ANALYTICAL RECEIVED AUG 1 3 1992 <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX(415) 364-9233 <br /> RESNA Client'?ro,ject ID: 1N01+48, Stockton Police WSerripiecJ: Jul 27, 1992;2i" <br /> 17.10 Main Street Sample Matrix: Soil Received: Jul 29, 1992;« . <br /> '*Escalon A <br /> C 95320 Analysis nal sis Method: EPA 5030/8015/802G <br /> -' YRe Reported: Aug1 1992 > <br /> "'Attention: p 9 <br /> e on: John Lane <br /> First Sam #: 7- <br /> ple 20 5055 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION . <br /> Reporting Sample Sample Sample Sample <br /> E Analyte Limit I.D. I.D. I.D. I.D. <br /> mg/kg 207-5055 207-5056 207-5057 207-5058 <br /> EB-13' NW-6-E WB-11' NW-5.5'-W <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. N.D. 11900 <br /> Benzene e zene <br /> a aa50 <br /> N.D. N.D. N.D. 20 <br /> E' <br /> Toluene 0.0050 N.D. 0.0060 N.D. 96 <br /> Ethyl Benzene 0.0050 N.D. 0.015 N.D. 35 <br /> Total Xylenes 0.0050 N.D. 0.056 N.D. 170 <br /> .5 <br /> E Chromatogram Pattern: Gas - Gas <br /> f <br /> E <br /> Qualit Control Data <br /> Report Limit Multiplication Factor: 1.0 - 1.0 1.0 100 <br /> Date Analyzed: 8/3/92 8/3/92 8/3/92 8/6/92 <br /> Instrument Identification: GCHP-6 GCHP-6 GCHP-6 GCHP-7 <br /> Surrogate Recovery, %: 102 98 102 141* <br /> (OC Limits = 70-130°x) <br /> *Coelution confirmed i <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 /> SEQUOIA ANALYTICAL <br /> ria L`ee <br /> "W <br /> � <br /> it roject Manager 2075055.wAT <1> <br />