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"S' I u,i.Di I,a <br /> Sequoia Ivinr2 in II I 9N037 <br /> [4111)776 9600 <br /> A]1,-1tiC,1I r��r.u1 1 r„oe <br /> ,,,, �Lyum ii lh.urn <br /> URS Corporation [Arcola Project ARCO#6100,Tracey,CA MOKM5 <br /> 2870 Gateway Oaks Dr,Ste 300 Project Number GOC IY-0010 RLpoit,d <br /> Sacramento CA,95833 Project Manager Jay Johnson 12/02/0, 10 <br /> Purgeable Hydrocarbons and Volatile Organic Compounds by EPA method 8260B - Quality Conti of <br /> Sequoia Analytical -Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analvie Result Limit Units Level Result °/aREC Limits RPD Lmmn 7"1 <br /> Batch 5K29003- EPA 5035/EPA 8260B <br /> Blank(5K29003-BLKI) Prepared&Analyzed 11/29/05 <br /> Gasoline Range Organics(C4-C12) ND 0 10 mg/kg <br /> Benzene ND 00050 <br /> Toluene ND 00050 <br /> Elhylbenzene ND 00050 ” <br /> Xylenes(total) ND 00050 " <br /> Surrogate 12 Drchloroeflianc. d! <br /> 000401 000500 80 60-115 <br /> Laboratory Control Sample(5K29003-BSI) Prepared&Analyzed 11/29/05 <br /> Gasoline Range Organics(124-C12) 0 498 0 l0 rng/kg 0 440 113 53-126 <br /> Benzene 000494 00050 000516 96 65 ;25 <br /> Toluene 0 0338 00050 " 00372 91 85-125 <br /> Ethylbenzene 000654 00050 " 000754 87 80-135 <br /> Ift lenes(total) 00372 00050 1 00412 90 80-140 <br /> arrogate 12 Drchlor0crhanc-d4 000454 000500 91 60-125 <br /> Matrix Spike(SK29003-MSI) Source MOK0965-09 Prepared&Analyzed 11/29/05 <br /> Gasoline Range Organics(C4-C 12) 0 446 0 10 mg/kg 0 440 ND 101 53 [26 <br /> BLnzene 000470 00050 000516 ND 91 65-125 <br /> Toluene 00349 00050 00372 000013 93 85-125 <br /> Ethylbenzene 000631 00050 " 000754 ND 84 80-135 <br /> Xylenes(to(al) 00366 00050 00412 ND 89 80-140 <br /> Surrogate 12 Dichloroethanc 114 000344 1 000500 69 60-115 <br /> Matrix Spike Dup(51C29003-MSDI) Source MOK0965-09 Prepared&Analyzed 11/29105 <br /> Gasoline Range Organics(C4-C12) 0 391 0 099 mg/kg 0 440 ND 89 53-126 13 W 25 <br /> Benzene -- --—_—�— 000403 00050 1 0 00516 ND 78 65-125 15 20 <br /> Toluene 00297 00050 100372 000013 79 85-125 16 15 Br\ I-N <br /> Ethylbenzene 000564 00050 000754 ND 75 80-135 it 20 1 N <br /> Xylenes(total) 00322 00050 00412 ND 78 80-140 13 20 1 N <br /> Surrogate 1 2-Dtchlorocthan.d4 000336 11 000500 67 60-115 <br /> Sequoia Analytical-Morgan Hill The results in this report apply to the samples analv:cd in acem dance a rrh Nn L hrlrrr e)l <br /> custodty doeumcnt Unless otherwise stated results are reported on a n L l r c 11_171 baW <br /> This analvtrcal report must he reproduced rn us entrren <br /> Piat, 9oll3 <br />