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SEQUOIA ANALYTICAL n T <br /> 680 Chesapeake Drive - Redwood City, CA 94063Iwo ` <br /> (415) 364-9600 - FAX(415) 364-9233 <br /> tFtESNAY�:, <br /> wr,n= rw <br /> Client Project IDA 05400606,IN. <br /> Cola'Stocktonry V Sampled Sep 29, 1993 <br /> 1710 Main Street Sample Matrac Air Received Sep 29, 1993 <br /> r Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Oct 4, 1993k, <br /> tAttention M1 JeanneM1Homsey First Sample# 31E3401 <br /> i r v i+ r v r} ..x '++rivr r v r .v♦. r >nv r r v u v r s • v r nk.st,.+nw nr Lty 4�k v rr, {i v vr.r 4.,rrr�r v vYxi..0 rnvrlr,rx r, vim}„ <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> ' Analyte Limit I.D. I.D. <br /> pg/L 31E3401 31E3402 <br /> CCS INF CCS EFF <br /> ' Purgeable <br /> Hydrocarbons 50 180 56 <br /> Benzene 0 050 24 0 40 <br /> ' Toluene 0 050 97 2 4 <br /> Ethyl Benzene 0 050 31 12 <br /> i <br /> Total Xylenes 0 050 16 6 6 <br /> Chromatogram Pattern Gas Gas <br /> Qualdy Control Data <br /> Report Llmd Multiplication Factor 20 10 <br /> ' Date Analyzed 9/30/93 9/30/93 <br /> Instrument Identification GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 115 135* <br /> (OC Limits = 70-130%) <br /> *Coelution confirmed <br /> 1 Purgeable Hydrocarbons are quantrtated against a fresh9 asoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> l <br /> 1 SEQUOIA ANALYTICAL <br /> ot''(!7 <br /> Vickie Tague <br /> Project Manager 3IE3401 wAT <I> <br />