E APR-09-97 WEnI11 :0414M TOUCHSTONE SR
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<br /> Sequoia 680 cbeeapeakc Drive ReModCty,CA 94063 (415) 364-96W FAX(415)364.9333
<br /> Ilrrr ,//^^'RR 44�N.1Yliae>Lent Walnut Creek,CA 94198 (510) 988.9640 FAX(510)988.9673
<br /> Analytical 819 Strilrer Avenue,Su;te Is Sacram:nto,CA 95834 (913) 921-YM FAx(9t6)921-0100
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<br /> ITouchst0a Daveent Proj. 10: haVron 82033,2033.2 m04/04/97 isi:ilapmerts :
<br /> P.O.Box 2354 Sample Deso►ipt; SKP-3(A-D)comp Received:04/04/97
<br /> Santa Rosa,CA 95.405 Matrlx, SOUR Extracted:04/07/97 T,
<br /> Anal sis Method: 8015Mod/8020 Analyzed:04/08/97 n
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<br /> Art nllon:Jeff Monro. Lab Number: 9704202• Reported-,b4 as1v7 F
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<br /> �?G SAtch Number:GM40797STExE�
<br /> Instrument 10:GCHP01
<br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE
<br /> Analyte i Detection Limit Sample Results
<br /> mg/K9 mg/Kg
<br /> TPPH as Gas 1,0 N D.
<br /> Methyl 1-130yl Ether 0.025 N.D.
<br /> Benzene 0.0050 N.D,
<br /> Toluene 0.0050 N.D.
<br /> Ethyl Benzene 0.0050 N.D.
<br /> Xylenos(Total) 0,0050 N.D.
<br /> Chromatogram Pattern:
<br /> Surrogates Control Limits% % Recovery
<br /> Trifluorvtoluen a 70 130 103
<br /> 4-Bromofluorobenzene 50 140 123
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<br /> Malytes reportad as W.D.were not present above the stated limit of detection.
<br /> SEQUOIA ANALYTICAL - ELAP #1210
<br /> Kevin Follett t -
<br /> Project Manager Page: o
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