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Entech Analytical labs, Inc. <br /> 11111111P11111 <br /> V��3334 Victor Court * Santa Clara, CA 95054 • (408) 588-0200 + Fax (408) 588-0201 <br /> ' Quality Control Results Summary <br /> ' QC Batch# WGC42111 Units µg/L <br /> Matrix Liquid Date Analyzed 812/01 <br /> ' parameter Method Blank Spike Spike Sample Spike QC Type %Recovery RPD RPD Recovery <br /> Result Sample ID Amount Result Result Limits Limits <br /> Test TPH as Gasoline <br /> TPH as Gasoline EPA 8015 M ND 561 482 51 LCS 860 592- 1119 <br /> Surrogate Surrogate Recovery Control Limits(%) <br /> aaa-Trifluorotoluene 101 65 - 135 1 <br /> ' Test. BTEX <br /> Benzene EPA 8020 ND 6 2 6 086 LCS 982 65 0- 1350 <br /> Ethyl Benzene EPA 8020 ND 7 8 7 413 LCS 95 0 650- 1350 <br /> Toluene EPA 8020 ND 35 8 36 306 LCS 1014 650- 135 0 <br /> ' Xylenes,total EPA 8020 ND 43 39 788 LCS 92 5 65 0 135 0 <br /> Surrogate Surrogate Recovery Control Limits(%) <br /> aaa-Trifluorotoluene 100 65 - 135 11 <br /> ' Test MTBE by EPA 8020 <br /> Methyl-t-butyl Ether EPA 8020 ND 528 42 378 LCS 803 650-1350 <br /> Surrogate Surrogate Recovery Control Limits(%) <br /> aaa-Trifluorotoluene 100 65 - 135 1 <br /> est TPH as Gasoline <br /> TPH as Gasoline EPA 8015 M ND 561 47965 LCSD 85 5 059 2500 59 2- 1 l 1 9 <br /> 1 Surrogate Surrogate Recovery Control Limits(%) <br /> aaa-Trifluorotoluene 102 65 - 135 <br /> Test BTEX <br /> Benzene EPA 8020 ND 6 2 6 164 LCSD 994 127 2500 650-135 0 <br /> Ethyl Benzene EPA 8020 ND 7 8 7 415 LCSD 95 1 003 2500 650-1350 <br /> Toluene EPA 8020 ND 35 8 36 095 LCSD 1008 0 58 2500 650- 1350 <br /> Xylenes,total EPA 8020 ND 43 39 761 LCSD 925 007 2500 650- 1350 <br /> Surrogate Surrogate Recovery Control Limits(%) <br /> aaa-Tnfluorotoluene 100 65 - 135 <br /> Test MTBE by EPA 8020 <br /> ' Methyl t-butyl Ether EPA 8020 ND 52 8 42 728 LCSD 809 0 82 25 00 650- 1350 <br /> F--ffrrogale Surrogate Recovery Control Limits(%) <br /> Trifluorotoluene 100 65 - 135 <br /> ' Environmental Analysis Since 1983 <br />