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SEQUOIA ANALYTICAL <br />680 Chesapeake Drive • Redwood City, CA 94063 <br />. (415) 364-9600 FAX (415) 364-9233 <br />.RESNA yr "' V vl .s..4 Client Project ID f Yi5005401,'Comgan Property r~ Y Sampled Dec '3-9,r16J3 <br />A710 Main Street Sample Matra Soil Received Dec 9, 1993 r <br />Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Dec 27, 1993 <br />Attention John Lane First Sample # 31-60016 <br />t • .wn .. t !N r n ,. ,. .., u r q v. vn u ...,w,.. n n .. r z . r ,n . ,. t Y `i } � n rS } ,.. .. x+ } r r v ,CSgS t r . n ry+Cr nE A ' " to <br />TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />Reporting Sample Sample Sample Sample Sample Sample <br />Analyte Limit I.D. I.D I D I.D. I.D. LD <br />mg/kg 31-60016 31-60017 31-60018 31-60019-22 31-60023-28 31-60027-30 <br />EXWW3-9 5' EX .9' IXEW3-8' SP1 (A,M,G,H) SPI (C,D,E,F) SP1 (I,K,L,N) <br />Purgeable <br />Hydrocarbons 10 N D 35 N D 17 15 12 <br />Benzene 00050 N D 0 070 N D 00092 N D N D <br />Toluene 00050 N D 0 043 N D N D N D 00055 <br />Ethyl Benzene 00050 N D 0 085 N D 0 013 N D N D <br />Total Xylenes 00050 N D 0 33 N D 0 13 N D 0 012 <br />Chromatogram Pattern -- Gas+Non-gas -- Gas+Non-gas Non -gas Non -gas <br />>C8 >CT >C8 >08 <br />quality controi data <br />Report Limit <br />Multiplication Factor <br />10 <br />50 <br />10 <br />10 <br />10 <br />1 0 <br />Date Analyzed <br />12/22/93 <br />12/22/93 <br />12/21/93 <br />12/22/93 <br />12/21/93 <br />12/21/93 <br />Instrument Identrfcation <br />GCHP-4 <br />GCHP-2 <br />GCHP-2 <br />GCHP-2 <br />GCHP-2 <br />GCHP-2 <br />Surrogate Recovery, % <br />107 <br />113 <br />108 <br />101 <br />117 <br />108 <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 <br />Vickie Ta e <br />Project Manager <br />31-60001 WAT <2> <br />