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' v 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> VMCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hHg//www mrcamybell corn E-mail matn@mccampbell corn <br /> QC REPORT <br />' EPA 8015m + 8020 <br /> I Date 02/19/02 Extraction EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> I Sample MS MSD Spiked MS MSD <br /> SamplelD 21102 Instrument GC-12 <br /> Surrogatel ND 1000 990 10000 100 99 lo <br /> Xylenes ND 319 312 3000 106 104 22 <br /> Ethylbenzene ND 108 103 1000 108 103 47 <br /> Toluene ND 106 100 1000 106 100 68 <br /> Benzene ND 103 99 1000 103 99 40 <br /> MTBE ND 98 94 1000 98 94 42 <br /> TPH (gas) ND 968 951 100 00 [:97 95 18 <br /> • <br /> (MS-5amp(e) <br /> 45 Recovery= RmounlSPrked 100 <br /> RPD= 2140 <br /> (ACLS+hED) <br /> RPD means Relative Percent Deviation <br />