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E <br />Alpha PAnalytical Laboratories Inc. e-mail: clientservices@alpha-labs.com <br />CHEMICAL EXAMINATION REPORT Page 10 of 68 <br />URS Corp - Sac <br />2870 Gateway Oaks Dr., Suite 300 <br />Sacramento, CA 95833 <br />Attn: Chani Leimbach <br />Report Date: 10/22/07 07:24 <br />Project No: 18600251.02041 <br />Project ID: DTSC FMS24 Phase 2 <br />Order Number Receipt Dme/Time Client Code Client PO/Reference <br />0710347 10/06/2007 13:00 URS -SAC <br />Alpha Analytical Laboratories, Inc. <br />METHODBATCH PREPARED ANALYZED DILUTION RESULT <br />FMS24SB07-10-NS (07J0347-08) <br />Volatile Organic Compounds by EPA Method 8260B (cont'd) <br />Trichlorotrifluoroethane EPA 8260B " <br />1,2,3-Trichloropropme " <br />1,2,4-Trimetbylbeozene " <br />1,3,5-Trimethylbemcne " <br />Vinyl chloride " <br />ylene » , <br />e <br />Surrogate: Dibromofluoromethane <br />" <br />Surrogate: Toluene -d8 <br />" <br />Surrggate: Bromofluorabenzene <br />" <br />FMS24SB07-10-NS (07J0347-09) <br />TPH by EPA/LUFT GC/GCMS Methods <br />Sample Type: Soil <br />TPH as Diesel <br />8015DRO <br />Surrogate: Tetratetracontane <br />" <br />FMS24SR07-10-NS (07J0347-10) <br />15 <br />TPH by EPA/LUFT GC/GCMS Methods <br />61-105 <br />TPH as Gasoline <br />8260GRO <br />Surrogate: Toluene -d8 <br />" <br />FMS24SB07-08-FD (07J0347-11) <br />10 <br />Metals by EPA 6000/7000 Series Methods <br />Antimony <br />EPA 6010 <br />Arsenic <br />EPA 7060 <br />Barium <br />EPA 6010 <br />Beryllium <br />" <br />Cadmium <br />» <br />Sample Type: Water <br />10/16/07 <br />I <br />Sample Type: Water <br />AJ71538 10/15/07 10/16/07 <br />11 11 11 <br />Sample Type: Water <br />Sampled: 10/04/07 13:45 <br />» ND <br />10/10/07 10/12/07 <br />I'm» <br />Soo <br />I'm» <br />4.7 " <br />» ND.. <br />Sample Type: Soil <br />ND <br />ND" <br />10/15/07 10/18/07 <br />» ND <br />15 <br />106% <br />61-105 <br />110% <br />69-115 <br />130% <br />75-126 <br />Sampled: 10/04/07 13:45 <br />1 250 ug/l <br />109% 20-152 <br />Sampled: 10/04/07 13:45 <br />PQL NOTE <br />0.50 <br />0.50 <br />0.50 <br />0.50 <br />0.50 <br />0.50 <br />0.50 <br />0.50 <br />S -GC <br />S -GC <br />50 D-08 <br />AJ71201 <br />10/10/07 10/12/07 <br />10 2100 ug/1 <br />Soo <br />" <br />96.8% 69-115 <br />Sample Type: Soil <br />Sampled: 10/04/0713:00 <br />AJ71541 <br />10/15/07 10/18/07 <br />1 ND mg/kg <br />15 <br />" <br />10/20/07 <br />1Qm " <br />2.0 <br />" <br />10/18/07 <br />70 " <br />10 <br />" <br />ND" <br />0.75 <br />1.0 <br />The resuNs to this report apply to the samples analyzed in accordance with the chain <br />of document. This analytical report must be reproduced in its entirety. <br />Bruce Gove 10/22/2007 <br />Laboratory Director <br />Corporate: 208 Mason St., Ukiah, CA 95482 a Phone: (707) 468-0401 • Fax: (707) 468-5267 <br />Service Center: 6398 Dougherty Rd., Suite 3, Dublin, CA 94568 • Phone: (925) 828-6226 • Fax: (925) 828-6309 <br />