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110 2nd Avenue South:,4D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL 1NC. . Telephone: 925-798-1620 Fax : 925-798-1622 <br /> 1 bttp://www.mccami2bell.corn E-mail:main@mccampbell.com <br /> QC REPORT <br /> 1 EPA 8015m + 8020 <br /> 1 <br /> Date: 03/16/02 Extraction: EPA 5030 Matrix: Air <br /> ' Concentration: tag/L %Recovery <br /> CompoundAmount RPD <br /> Sample'; MS MSD Spiked MS MSD <br /> 1 SamplelD: 31902 Instrument GC-3 <br /> 5urrogate1 ND ` 101.0 102.0 100.00 101 102 1.0 <br /> 1 Xylenes ND 32.0 32.2 30.00 107 107 0.6 <br /> Ethylbenzene ND 10.4 10.5 10.00 104 105 1.0 <br /> 1 Toluene ND 9.5 10.5 10.00 95 105 10.0 <br /> Benzene ND 9.3 9.4 10.00 93 94 1.1 <br /> 1 MTBE ND 8.7 8.9 10.00 87 89 2.3 <br /> TPH (gas) ND 88.1 89.6 100.00 88 90 1.7 <br /> lie <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> Aa—Sample <br /> %Re covery= Amoundpiked 100 <br /> M5—A?SD� <br /> RPD=( 2.100 <br /> ' (AI'+AM <br /> RPD means Relative Percent Deviation <br />