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I 10 2nd Ave South,#D7,Pacheco,CA 94553-5 560 <br /> WCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httt)//www mccamybell com E-mail main@mccampbell com <br /> I <br /> QC REPORT <br /> I EPA 8015m + 8020 <br /> Date 01/15/02 Extraction EPA 5030 Matrix Air <br /> Concentration. ug/L --- -- - %Recovery- <br /> Compound Amount RPD <br /> Sample MS MSD MS MSD <br /> �---—-==-_---- ---_- --- L_ ---_ -- - - Spiked <br /> SamplelD 11302 Instrument GC-12 <br /> S--u-rrro-g-atel - -- - _--u =-- ND =- 950 910 10000 -95 91 43 <br /> XI <br /> lenes - ---- - _ -N DD 328 312 30 00 ^ --109 104 50 <br /> Ethylbenzene ND 110 10 4 1000 110 104 58 <br /> Toluene - - --- - ND - 106 101 _10 00 106 101 -48- <br /> Benzene--_-- - - ND-- 102 97 _1000 102 97 1 50 <br />' MTBE - IL_NDy 9 8 9 B —10 00 - 9$ 98 00 - <br /> TPH(gas) ND 930 86 4 10000 93 86 73 i <br /> I <br /> s <br /> (MS-5autple) <br /> Recovery= Antoundpiked I00 <br /> RPD= 2100 <br /> (A,6+A45D) <br /> Apr]M"m Ralauve Percent neveatum <br />