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ti <br /> client Number: 020703983 S <br /> Consultant Project Number: 020703983 <br /> Facility Number: 9-0557 <br /> Project ID: 139 S.Center Street <br /> Work Order Number: C3-11-0448 <br /> Table 1 (Continued) <br /> ANALYTICAL RESULTS <br /> Aromatic Volatile Organics and <br /> Total Petroleum Hydrocarbons as Gasoline in Water <br /> EPA Methods 5030, 8020, and Modified 8015a <br /> GTEL Sample Number 07 09 11 12C <br /> Client Identification MW3 MW2 MW1 MW6 <br /> Date Sampled 11/22/93 11/22/93 11/22/93 11/22/93 <br /> Date Analyzed 12/04/93 12/04/93 12/04/93 12/05/93 <br /> Detection <br /> Analyte Limit, ug/L Concentration, ug/L <br /> Benzene 0.5 <0.5 170 27 9 <br /> Toluene 0.5 <0.5 16 6 8 <br /> Ethylbenzene 0.5 <0.5 4 4 <2.5 <br /> Xylene, total 0.5 1 37 10 6 <br /> TPH as Gasoline 50 80 3600b 1700b 980 <br /> Detection Limit Multiplier 1 1 1 5 <br /> BI=B surrogate, % recovery 95.9 98.0 95.0 105 <br /> a. Test Methods for Evaluating Solid Waste, SW-846,Third Edition,Revision 0, US EPA November 1986. Modification for TPH as <br /> gasoline as per California Slate Water Resources Control Board LUFT Manual protocols,May 1968 revision. Bromofluoroben- <br /> zone surrogate recovery acceptability limits are 70. 130%. <br /> b. Uncategorized compound not included in the gasoline hydrocarbon concentration, <br /> C. Detection limit raised due to sample matrix. <br /> 1 Concord, CA <br /> 031tbaSGTEL <br /> C31 a8.13XG <br /> E N V I R O N M E N 1 A l <br /> LAOORATORIES. INC <br />