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<br /> j SEQUOIA ANALYTICAL
<br /> 680 Chesapeake Drive - Redwood City, CA 94063
<br /> (415) 364-9600 FAX(415) 364-9233
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<br /> �yRESNA Client Project ID 150047 01, Ekholm Property Sampled. Oct 11-13, 1993
<br /> y 1710 Main Street Sample Matra: Soa Received. Oct 14, 1993"
<br /> Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Oct 26, 1993 .
<br /> �Attentkon John Lane First Sample#: 3JA1301
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<br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION
<br /> tReporting Sample Sample Sample Sample Sample Sample
<br /> Analyte Umit I.D. I.D. I.D. I.D. I.D. I.D.
<br /> ' mg/kg 3JA1301 3JA1302 3JA1303 3JA13N 3JA1305 3JA1306
<br /> EP MW2-15 5 EP MW2-25 5 EP MW2-65 5 EP MW3-15 5 EP MW3-25 5 EP MW3-65
<br /> Purgeable
<br /> Hydrocarbons 10 N D N D N D N D N D N D.
<br /> ' Benzene 00050 N D N D N D N D N D N D
<br /> Toluene 00050 N D N D N D N D N D N D
<br /> 1
<br /> Ethyl Benzene 00050 N D N D N D N D N D N D
<br /> Total Xylenes 00050 N D N D N D N D N D N D
<br /> ' Chromatogram Pattern -- -- -- -- -- --
<br /> Quairty Control Data
<br /> ' Report Limit
<br /> Multiplication Factor 10 10 10 10 10 10
<br /> Date Analyzed 10/20/93 10/20/93 10/20/93 10/20/93 10/20/93 10/20/93
<br /> 1 Instrument Identification GCHP-6 GCHP-6 GCHP-6 GCHP-6 GCHP-6 GCHP-18
<br /> ' Surrogate Recovery, % 95 94 97 95 84 96
<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 /> SEQUOIA ANALYTICAI �
<br /> Vickie Tague
<br /> Project Me- WA1301 WAT <1>
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