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4 Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364-9233
<br /> Analytical 1900 Bates Avenue,Suite I. Concord CA 94520 (510) 686 9600 FAX(510)686 9689
<br /> 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921-9500 FAX(916)921 0100
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<br /> Sampled Mar 9,~ 1994
<br /> 1710 Main Street Sample Matrix Water Received Mar 10, 1994,E
<br /> k Escalon, CA 95320 Analysis Method EPA 5030/8015 Mod /8020 Reported Mar 22, 1994;
<br /> ,,,Attention Bill Channell First Sample# 4C71707 Amended Apr 6, 1994 x
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<br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION
<br /> Reporting Sample Sample
<br /> Analyte Limit I.D. I.D
<br /> pg/L 4C71707 4C71708
<br /> NGT EFFICF TVGT EFF2CF
<br /> Purgeable
<br /> Hydrocarbons 50 N D. 130*
<br /> Benzene 050 N D N D
<br /> Toluene 050 N D N D
<br /> Ethyl Benzene 050 N D N D
<br /> Total Xylenes 050 N D 39
<br /> Chromatogram Pattern -- Gas
<br /> Quality Control Data
<br /> Report Limit Multiplication Factor 1 0 1 0
<br /> Date Analyzed 3/11/94 3/11/94
<br /> Instrument Identification GCHP-6 GCHP-
<br /> Surrogate Recovery, % 92 95
<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 ANALYTICAL Please Note
<br /> 'This sample was reanalyzed on April 5, 1994 at the request of RESNA. No gasoline or Xylenes were
<br /> detected on April 5 Further investigation shows that 1t is possible that the result reported for the March 11
<br /> analysis Is due to carry over from the previous sample run In the same port
<br /> Vickie Tague Clark
<br /> Project Manager 4071701 WAT <2>
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