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' 110 2nd Ave South,##D7,Pacheco,CA 94553-5560 <br /> VMcC-IVICC <br /> AMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httt//www mccampbell com E-mail main u mccampbell com <br /> I <br />' QC REPORT <br /> EPA 8015m + 8020 <br /> I <br /> Date 08110101-08111101 Extraction EPA 5030 Matnx Air <br /> Concentration ug/L %Recovery <br /> Compound Amount I RPD <br />' Sample MS MSD i Spiked MS MSD <br /> SamplelD 81001 instrument GC-7 <br />' Surrogatel ND 980 920 100 0098 92 63 <br /> Xylenes ND 276 274 3000 92 91 07 <br /> E Ethylbenzene ND 85 85 1000 85 85 00 <br /> Toluene ND 89 86 1000 89 86 34 <br /> Benzene ND 8 4 8 3 1000 84 83 12 <br /> EMTBE ND 9 8 9 0 1000 98 90 8 5 <br /> TPH (gas) ND 983 97 4 10000 98 97 1 0 <br /> E <br /> E <br /> I <br /> E <br /> E <br /> E <br /> E <br /> E <br /> • <br /> (MS-5anople) <br /> %Recovery= AniounlSprked 100 <br /> (MS—MSD <br /> RPD= 3100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />