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I I0 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC 'Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell coin E-mail main@mccampbell com <br /> QC REPORT <br /> i ' EPA 8015m + 8020 <br /> Date 05/25/02 Extraction EPA 5030 Matrix Water <br /> ' Concentration ug/L %Recovery <br /> CompoundAmount RPD <br /> iked <br /> Sample MS MSD Spoun MS MSD <br /> —L-- <br /> SamplelD 52502 Instrument GG-7 <br /> Surrogatel NO 1010 1060 10000 101 106 4 8 <br /> Xylenes NO 340 320 3000 113 107 61 <br /> Ethylbenzene NO 110 11 0 1000 110 110 00 <br /> Toluene NO 110 100 1000 110 100 95 <br /> Benzene NO 11 0 100 1000 110 100 95 <br /> MTBE NO 91 9 2 1000 91 92 11 <br /> TPM (gas) NO 1000 99 7 10000 100 100 03 <br /> i <br /> %Recovay= MS—Sample} 100 <br /> Am --Spiked <br /> RPD= 2100 I i <br /> (MS+1LkSD? , <br /> RPD means Relative Percent Deviation <br />