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` SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City,CA 94063 <br /> (415)364-9600 • FAX(415) 364-9233 i <br /> ' RESNA Client Project ID: OW0148.02,Stockton Police fl Sampled: Nov 16, 1993 <br /> 1710 In Street, Sample Matra: Sol Received: Nov 18, 1993 <br /> Escalon,CA 95320 Analysis Method: EPA 5030/8015/8020 Reported: Dec 6. 1993 <br /> At[ention: John Erne First Sample#: 3KC7901 <br /> TOTAL'}PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> �I <br /> Reporting : Sample Sample Sample Sample Sample Sample <br /> Analyte Llmit I.D. I.D. I.D. I.D. I.D. I.D. <br /> mg/kg 3KC7901 3KC7902 3KC7903 3KC7904 3KC7905 3KC7906 <br /> SP-WI-6 SP-SBI-10' SP-SB2.5' SP-S82 -11' SP-SB345-1 SP-SB345 <br /> f <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. 8,300 N.D. N.D. N.D. <br /> Benzene 0.0050 N.D. N.D. N.D. 0:0070 N.D. N.D. <br /> 4 <br /> Toluene 0.0050 ' N.D. N.D. 190 0.063 0.0080 N.D. <br /> Ethyl Benzene 0.0050 N.D. N.D. 200 0.025 N.D. N.D. <br /> Total Xylenes 0.0050 N.D. N.D. 1,100 0:16 N.D. 0.0070 <br /> CH.romatogram Pattern: -- -- Gas Pas Gas Gas <br /> Quality Control Data <br /> Report Limit <br /> Multiplication Factor: 1.0 1.0 500 1.0 1.0 1.0 <br /> Date Analyzed: 11/28/93 11/28/93 11/29/93 11/29/93 11/28/93 11/28/93 <br /> �i <br /> Instrument Identification: GCHP-6 GCHP-6 GCHP-6 GCHP-6 GCHP-6 GCHP-6 <br /> Surrogate Recovery,V 86 92 116 :193 97 95 <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 /> ' I <br /> i <br /> 3 SEQUOIA ANALYTICAL I <br /> i <br /> - r1kie <br /> YTag e <br /> Project Manager 3KC7901.WAr <1> <br />