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j SEQUOIA ANALYTICAL .�,E CE , ' ;rr <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 I,GCLI -� ! I-SC3 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> uz Associates 'Client Protect lD Arca 2r593=93-f v wn V'` h h Sampled Jul 2 ;41 <br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Jul 21, 1993 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Jul 23, 1993 <br /> > Attention Pau! Sample First Sample# 307-0919 <br /> ' TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample Sample Sample <br /> Analyte Limit I D I D. I D <br /> mg/kg 307-0919 307-0920 307-0921 <br /> CS4 (A-D) CS5(A-D) CS6(A-D) <br /> Purgeable <br /> Hydrocarbons 10 810 220 50 <br /> Benzene 0 005 ND Oil 0 074 <br /> ' Toluene 0 005 17 025 0 065 <br /> Ethyl Benzene 0 005 42 033 0 14 <br /> Dotal Xylenes 0 005 64 13 21 <br /> ,Chromatogram Pattem Gasoline Gasoline Gasoline <br />'Quality Control Data <br /> Report Limit Multiplication Factor 100 20 5 0 <br /> Date Analyzed 7/22/93 7/22/93 7/22/93 <br /> nstrument Identification HP-4 HP-4 HPC <br /> Surrogate Recovery, % 87 91 94 <br /> CSC Limits = 70-130%) <br />�urgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> QUOIA AL <br /> enneth F Lee <br /> Labora <br /> toryy Director <br />' 3070919 Rau <1> <br />