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1 110 2nd Ave. South,#177, Pacheco, CA 94553-5564 <br /> WCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax : 925-798-1622 <br /> http://www.mccami2be ll.com E-mail: main@mccampbeil.com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> 1 <br /> 1 ---Date__ 09/14101-09/15101 Extraction: TTLC Matrix: Air <br /> Concentration: uglL %Recovery <br /> Compound --- ---- --..._ .. - <br /> Spiked <br /> , RPD <br /> Sam iei0: 90401 _ ISample _MS - MS- -------T Instrument:MSD <br /> i]C <br /> p -12 <br /> Surrogatel ND 97.0 96.0 ! 100.00 I 97 96 h 1.0 <br /> Xylenes NO 33.6 33.3 30.00 IE 112 111 0.9 <br /> ta Ehylbenzene ---�-- — ND 11.0 10.9 10.00 110 109 ! 0.9 j <br />' 1 Toluene i� ND - 10.7 10.5 10.00 ;� 10-7 105 I',1 -1.9 <br /> Benzene �� �- -_ I ND 10.2 10.1 11 10.00 E 102 101 1.0 <br /> rMTBE ND 9.7 9.9 10.00 I 97 99 2.0 ; <br /> TPH (gas). : 94=9-= -.92.3 100.00 95 92 2-7. <br /> li <br /> 1 <br /> 1 <br /> 1 <br /> 1 _ <br /> 1 <br /> 1 <br /> r <br /> 1 (MS—Saneple) <br /> %Recovery= ;i, oan1Spiked .too <br /> (MS—M.SD) <br /> 1 RPD= 2-100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />