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. SEQUOIA REDWOOD CITY 415 364 9233 10-06-93 03 38PM [331 #2 <br /> 6 SMUVA AMALY70CAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> e (415) 354-9600 o FAX (415) 364-9233 <br /> Blaine Tech}Services, Inc Cllent Project ID Shell, 141 N EI Dorado, Stockton Sampled Aug 26-27, 1993 <br /> '.085 Timothy Drrve Sample Matroc Water Received Aug 30, 1993 ' <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015/8020 Reported Sep 7, 1993 <br /> Attention Jim Keller First Sample# 3HE8101 Revised Oct 6, 1993 <br /> TOTAL fPURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. ID I D. I.D. I.D ID <br /> ug/L 3HE8101 3HE8102 3HE8103 3HE8104 3HES105 3HES106 <br /> MW-1 MW-2 MW-3 RW-2 RW-1 ES <br /> Purgeable <br /> Hydrocarbons 50 210 95 24,000 2,600 N D N D <br /> Benzene 050 22 7 8 1,700 38 30 N D <br />• <br /> Toluene 050 41 14 2,000 51 N D N D <br /> Ethyl Benzene 050 12 54 980 160 N D N D <br /> Total Xylenes 050 25 11 3,700 550 N D N D <br /> Chromatogram Pattern Gas Gas Gas Gas <br /> Quality Control Data <br /> Report Limit Muirlplication Factor 20 10 40 50 10 10 <br /> Date Analyzed 9/1/93 9/1/93 9/1/93 9/1/93 9/1/93 9/1/93 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 GCHP-3 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 85 98 100 87 104 84 <br /> (OC Urnits = 70-130%) <br />• Purgeable Hydrocarbons aro quanttated against a fresh gasoline standard <br /> Ana' hes reporin(i as N 0 were h^t dat9rtee Above the rt?tpd rRportmg Amit <br /> 5E.?IA ANAt?,rICAL <br />