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' 110 2nd Ave South,9D7,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h"Hwww mccampbell com E-marl matn@mccampbell corn <br /> 1 <br /> QC REPORT <br />' EPA 8015m + 8020 <br /> Date 12/14/01 Extraction TTLC Matnx Air <br />' Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> Salm lelD 121201 Instrument GC-7 <br /> Surrogates <br /> NO 109 0 107 0 100 00 109 107 1 9 <br />' Xylenes NO 309 286 3000 103 95 I 77 <br /> Ethylbenzene NO 102 94 10 00 102 94 82 <br />' Toluene NO 102 95 10 00 102 95 71 <br /> Benzene NO 9 4 8 8 1000 94 88 6 6 <br /> MTBE NO 8 9 8 3 1000 89 83 I 7 0 <br /> TPH (gas) NO 90 0 90 4 10000 90 90 0 5 <br /> 1 <br /> 1 <br />' (MS—Sample <br /> Re eovery= AmoundSprked 100 <br /> MS—MSD <br /> RPD- 2100 <br />' (AtiS+XED) <br /> RPD means Relative Percent Deviation <br />