j SEQUOIA ANALYTICAL
<br /> 680 Chesapeake Drive • Redwood City, CA 94063
<br /> �f=F: war (415) 364-9600 • FAX(415) 364-9233
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<br /> RESNA+ Client Project ID:r W0195.00,Western Stone Products/Tracy ry Sampled: Oct 9,y 1992:%"
<br /> €1710 Main Street Sample Matrix: Soil Received: Oct 13. 1992
<br /> Escalon, CA 95320 Analysis Method: EPA 5030/8020 Reported: Oct 27, 1992<`
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<br /> z4 Attention: Greg Stahl First Sample#: 210-1848av
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<br /> BTEX DISTINCTION
<br /> Reporting Sample Sample Sample
<br /> Analyte Limit I.D. I.D. I.D.
<br /> mg/kg 210-1848 210-1849 210-1850
<br /> SP2-A-B SP3-A-13 SP4-A-13
<br /> Benzene 0.0050 N.D. N.D. 0.015
<br /> Toluene 0.0050 0.12 N.D. 0,053
<br /> Ethyl Benzene 0.0050 0.055 N.D. 0.045
<br /> x _= Total Xylenes 0.0050 0.30 N.D. 0.12
<br /> Quality Control Data
<br /> Report Limit Multiplication Factor. 5.0 1.0 1.0
<br /> Date Analyzed: 10/14/92 10/15/92 10/15/92
<br /> Instrument Identification: GCHP-7 GCHP-1 GCHP-1
<br /> Surrogate Recovery, %: 77 112 113
<br /> (QC Limits = 70-130%)
<br /> Analytes reported as N.D.were not detected above the stated reporting limit.
<br /> ='=)SEQUOIA ANALYTICAL
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<br /> r ject Manager 2101M.WAT <3>
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