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q 8851 CA 5W <br /> Drive <br /> Sequoia Mor6an 1-1111CA 9 �7 <br /> A <br /> (408)776-9600 <br /> Analytical FAX(408)782 63088 <br /> www sequoialabs cam <br /> URS Corpora Lion[ArLoI) Project ARCO#6100 Tracey CA MPE0390 <br /> 2870 GateNvay Oaks Dr Ste 300 Project Number GOC 1 Y-0015 Reported <br /> Sacramento CA 95833 Project Manager Jay Johnson 06/02!06 I3 38 <br /> Volatile Oz game Compounds by EPA Method 8260B -Quality Control <br /> Sequoia Analytical- Morgan Hill <br /> Rcpnniny Spr4e Source *.PEC RPD <br /> AnalvtL R-11 Lmn Units Level Result %REC Limits RPD Limn Notes <br /> Batch 6E22001 -EPA 5030E PIT/EPA 82608 <br /> Matrix Spike(6E22001-MSI) $ouml. MPE0411-03 Prepared&Analyzed 05/22/06 <br /> tLri Amyl mLthvl ether 769 2 5 ug/€ 752 ND 102 6a 135 - <br /> Benzene 304 2 5 258 50 98 70-125 <br /> Cert Butyl alcohol 816 100 716 ND 114 60-135 <br /> Di isopropyl ether 674 2 5 756 ND 89 70-130 <br /> 1 2 DSbromoLlhanL(EDB) 928 25 744 ND 111 85 125 <br /> 1 2 Dic.hloroethanL 682 2 5 736 ND 93 75-125 <br /> Lthanol 714 1500 708 ND €01 15-150 -_.... <br /> Ethyl tort butvI LthLr 729 2 5 752 ND 97 65 130 <br /> hthylbenzene 900 2 D 377 52 101 80 130 <br /> Methyl lert butyl Lther 543 2 5 35 1 23 89 50 140 <br /> Toluene 189 2 5 186 1 7 101 70420 <br /> Ienc.s(total) 234 25 206 16 106 85 125 <br /> sol tie Rangc OrgamLs(C4 C 12) 7790 250 2200 6200 72 75 140 LN <br /> Smrogale 12D+clrloroeilianed4 -� 467 500 93 60145 <br /> Sun ogolc Toluer7e-118 452 500 90 70-130 <br /> Surrogate D+broo+oflrwro+ncdtane 4'0 500 84 75-130 <br /> S+nrogatc 4 6r arrtaflunrobcrr_u?e 495 5 60 99 60 115 <br /> Matrix Spikc Dup(6[22001-MSDI) SourcL MPE0411-03 Prepared&Analyzed 05/22/06 <br /> tort Amyl Mthyl LthLV 750 25 ug/l 752 ND 100 65-135 3 25 <br /> BLnz,nL 30 8 2:) 258 50 100 70 125 1 15 <br /> tLrt Butyl alcohol 813 100 716 ND 114 60 135 04 35 <br /> Di isopropyl ether 674 25 756 ND 89 70-130 0 35 <br /> 1 2❑ibromoLthane(EDB) 81 3 25 744 ND 109 85-125 2 15 <br /> 1 2 DlchlomLthane- - - - 674 - -- 23 -736 - ND - - 92 -75 125 - 1— -10 -- - -- <br /> Ethanol 737 f-)00 708 ND 104 15 150 3 35 <br /> Ethvl tLrt-buivl ethLr 704 2 752 ND 94 65 130 3 35 <br /> 13the IbenzenL 84 0 2 5 377 52 95 80-00 2 IS <br /> M11hvl iLrt butyl Lthcr >60 25 35 1 23 94 x0440 3 25 <br /> Toluene 186 2 7 186 17 99 70-120 2 15 <br /> \N knes(total) 226 2 5 206 16 102 85-125 3 15 <br /> Gasolme Raa.e OrL amLs(C4 C 12) 7370 250 2200 6200 76 75-140 1 20 <br /> Surrogate 1 2-D+chloraedraire-d4- -- -- --- -- 474 >00 92/ 60-145 <br /> Surrogate Toluene-d$ 449 >00 90 70-130 <br /> SurrogNL D+6romoJluorauLtharu 416 500 82 -.)-130 <br /> Sarrogarc 4-BronroJ7uoro&n:Lne -1 12 >00 90 60 115 <br /> Sequoia Analvneal-Morgan Hill The results ar this report apply to Ilse samples anali=ed in accordance with the chair?of <br /> cn51ad1 docmnent Unless othen.ise stared results are reported on a i>er uerght basis <br /> 0 Thrs onah tical repan musr be reproduced in its emiren <br /> Page 6 of 7 <br />