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I 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell co m E-mail main@mccampbell com <br /> QC REPORT <br /> I EPA 8015m + 8020 <br /> Date 04/02/02 Extraction_EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> I i Sample MS MSD Spiked MS MSD <br /> SampleiD 40202 Instrument GC-12 <br />' Surrogate1 ND 1020 1030 i 10000 102 103 10 <br /> Xylenes ND 332 331 3000 111 110 03 <br /> Ethylbenzene ND 107 105 �� 1000 107 105 19 <br />' i Toluene ND 110 109— 1000 I 110 109 ; 09 <br /> Benzene ND 104 106 1000 104 106 1 9 <br />' MTBE ND 103 105 1000 103 105 1 9 <br /> TPH (gas) ND 952 95 9 100 00 95 96 0 8 <br /> I� <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> i <br />' (ALS—Sample) <br /> %Re°ova Am—(Spiked 100 <br /> [ALS—ALSO) <br />' RPD- 2100 <br /> (ALS+ATSD) <br /> RPD tees Relative Peru= Deviation <br />