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` SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 <br /> (510) 686-9600 • FAX (510) 686-9689 RECEIVED MAY 1 9 1993 <br /> 41ux A socia`tes�M;�.:~` .<�.n..`,h...~�� � � �} -• .�ti� :,v ;v, �,�n �.A �.. .� �„� ;, � •���t <br /> Client Proect T� �i3b= 3`i%Arco# � 6, 5tocYcton Sampfed may 5, �` i-t <br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received May 5, 1993-, <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported <br /> f Attention Paul Supple First Sample# 305-0212 <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 LD I.D I.D. <br /> mg/kg 305-0212 305-0213 305-0214 305-0215 305-0216 305-0217 <br /> 131-6 61-11 131-16 B1-20 B1-26 62-6 <br /> Purgeable <br /> Hydrocarbons 10 N D N D N D 12 N D N D <br /> Benzene 0 005 N D N D N D 0 011 N D 00070 <br /> Toluene 0 005 N D 0 011 N D 0 063 0 013 00060 <br /> Ethyl Benzene 0 005 N D N D N D 0 023 N D N D <br /> Wotall Xylenes 0 005 N D 0 026 N D 013 0 026 00080 <br /> Chromatogram Pattern -- -- - Gasoline -- <br /> Quality <br /> -Quality Control Data <br /> Report Limit Multiplication Factor 10 10 10 10 10 10 <br /> Date Analyzed 5/14/93 5/14/93 5/14/93 5/14/93 5/14/93 5/14/93 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 128 124 130 119 129 126 <br /> (GC 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 /> C777L-- <br /> Kenneth <br /> ICF Lee <br /> Laboratory Director <br /> 3050212 ROU <I> <br />