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f?ECEIVED JUL 1 6 1992 <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> `} L�4 <br />&-RESNA Client Project ID W0475 13,Weber Point Sampled Jul 8, 1992' <br /> ,1710 Main Street Sample Matnx Air Received Jul 8, 1992 <br /> Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Jul 13, 1992° <br /> ,Attention Tina Le Page First Sample# 207-0941 x rrrn <br /> x x ,. xw x rw .w v ..r,m/ry k`lv.J.+nx.ti.Wr x r ,rr rr i' x v tr rm r }A rrr 4,Y <br /> �l"mag': <br /> ,n... <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit 1.13 1.13 <br /> pg/L 207-0941 207-0942 <br /> ' iNFL EFFL <br /> Purgeable <br /> Hydrocarbons 60 290 52 <br /> Benzene 005 2 8 N D <br /> Toluene 005 20 012 <br /> Ethyl Benzene 005 38 028 <br /> Total Xylenes 005 18 13 <br /> ' Chromatogram Pattern Gas Gas <br /> Quality Control Data <br /> ' Report Limit Multiplication Factor 10 10 <br /> Date Analyzed 7/8/92 7/8/92 <br /> Instrument Identification GCHP-3 GCHP-3 <br /> Surrogate Recovery, % 130 83 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected above the stated reporting limit <br /> JS,EQUOIA ANALYTICAL <br /> a ca e <br /> oiect Manager 2070941 WAT <� <br />