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t 110 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> httn://www.mccami)bell.com E-mail:main@mccampbell.com <br /> • QC REPORT <br /> ' EPA 8015m + 8020 <br /> Date: 03/21/02 Extraction: EPA 5030 Matrix: Air <br /> Concentration: ug/L %Recovery <br /> CompoundSample MS M5D Amount MS ; MSD RPD <br /> Spiked <br /> SampllelD: 31902 instrument: GC-3 <br /> ' Surrogate1 NO 101.0 102.0 100.00 101 102 1.0 <br /> Xylenes _ NO 32.0 32.2 _ 30.00 107107 0.6 <br /> Ethylbenzene NO 10.4 10.5 10.00 104 105 1.0 <br /> Toluene <br /> NO 9.5 10.5 10.00 95�? 106 10.0 <br /> Benzene NO 9.3 9.4 10.00 93 94 1.1 <br /> ' ! MTBE I NO 8.7 8.9 10.00 87 89 2.3 <br /> I TPH(gas) ND 88.1 89.6 100.00 88 90 1.7 1' <br /> 1 <br /> 1 <br /> ' • (A&—Sample) <br /> %Re covery= drnoanfSprked 100 <br /> AB—A&p) <br /> RPD_ 2.100 <br /> ' (MS+A&D) <br /> RPD means Relative Percent Deviation <br /> �:ro. <br />