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110 2nd Ave South,#D7,Pacheco, CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h 11www mccam bell cam E-mail mam@mccampbell corn <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 11/15/01 Extraction EPA 5030 Matnx Water <br />' — Concentration ug/L %Recovery — <br /> Compound r Amount RPD <br /> Sample MS MSD Spiked MS MSD <br />' S_amplelD 111401 Instrument GC-3 <br /> Surrogatel ND _ 1130 1140 1 10000 113 114 09 <br /> Xylenes ND 339 333 3000 —113 111 1 8 <br /> -- ---- — -- 1 _ Y--- _ —r- - -- - -- — <br /> Ethylbenzene ND 11 6 11 3 1000 116 113 26 <br /> - --- <br /> Toluene ND 11 8 114 1000 118 114 34 <br /> Benzene �, ND 11 3 11 0 1000 113 110 27 I <br />' MTBE - - ND 11 6 102 1000 116 - 102 N 128 <br /> TPH (gas) ND 91 1 93 8 1 10000 91 94 i 2 9 �l <br /> (,mss-sample) <br />' %Re cavery= .ornmtSprked ]00 <br /> �C-h�GSD) <br /> RPD= 2100 <br />' (W+XSD) <br /> RPD means Relative Percent De+nabon <br />