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Client Number 029 Muff 9 <br /> Project ID 229 Moffat Blvd <br /> Manteca,CA <br /> Work Order Number C"2-0287 <br /> Table 1 <br /> ANALYTICAL RESULTS <br /> Aromatic Volatile Organics and <br /> Total Petroleum Hydrocarbons as Gasoline in Air <br /> Modified EPA Methods 8020 and 8015a <br /> GTEL Sample Number 01 02 03 M021894-1 <br /> Client Identification SYSTEM INF BETWEEN CAT SCAV METHOD <br /> LS AND CS EFF BLANK <br /> Date Sampled 02/17/94 02/17/94 02/17/94 — <br /> Date Analyzed 02/18/94 02/18/94 1 02/18/94 02/18/94 <br /> Detection <br /> Analyte Limit, ug/L Concentration, ug/L <br /> Benzene 0 5 i <05 <05 <05 <05 <br /> Toluene 05 <05 <05 <05 <05 <br /> • Ethylbenzene 05 <05 <05 <05 <05 <br /> Xylene,total 05 4 4 <05 <05 <br /> TPH as Gasoline 10 1 160 150 <10 <10 <br /> Detection Limit Multiplier 1 1 1 1 <br /> BI=B surrogate, %recovery 98 6 927 726 980 <br /> a Test Methods for Evaluating Solid Waste,SW-846,Third Edition,Revision 0,US EPA November 1986 Modification for TPH as gaso- <br /> line as per California State Water Resources Control Board LOFT Manual protocols,May 1988 revision Bromofluorobenzene surro- <br /> gate recovery acceptability limits are 70-130% <br /> I <br /> GTEL Concord,CA Page 2 <br /> 04020287 DOC NGTEL <br /> ENVIRONMENTAL <br /> LABORATORIES INC. <br />