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Alpha I Ana1ocal Laboratories Inc. e-mail: clientservices@alpha-labs.com <br />CHEMICAL EXAMINATION REPORT Page 26 of 50 <br />LTRS Corp - Sac <br />2870 Gateway Oaks Dr., Suite 300 Report Date: 1.0/22107 07:09 <br />Sacramento, CA 95833 Project No: 18600251.02041 <br />Attn: Chani Leimbach Project ID: DTSC FMS24 Phase 2 <br />Order Number Receipt Date/Time Client Code Client PO/Reference <br />07703 52 10/06/2007 13:00 URS -SAC <br />TPH by EPA/LUFT GC/GCMS Methods - Quality Control; <br />Spike Source %REC RPD <br />Analyte(s) Result PQL Units Level Result %REC Limits RpD Limit Flag <br />Batch AJ71614 - EPA 5030 Soil GC <br />Matrix Spike (AJ71614-MS1) Source: 07JO347-17 Prepared & Analyzed: 10/16/07 <br />TPH as Gasoline - 26.0 1.0 mg/kg 19S ND 128 65-161 <br />Surrogate:l,4-Bromofluorobenzene 3.86 3.72 104 60-156 <br />Matrix Spike Dup (AJ71614-MSD1) Source., 07JO347-17 Prepared & Analyzed_: 10/16/07 <br />TPH as Gasoline 25.7 1.0 mg/kg 19.9 ND 126 65-161 1.16 25 <br />Surrogate: 1,4 Bromofluorobenzene 4.21 <br />Batch AJ71623 - CA LUFT - orb shaker <br />3.72 113 60-156 <br />BIank (AJ71623-BLK1) Prepared & Analyzed: 10/16/07 <br />TPH as Diesel • ND 1.0 mg/kg <br />Surrogate: Tetratetracontane 1.29 1.45 89.0 20-152 <br />LCS A( J71623 -BSI) Prepared & Analyzed: 10/16/07 <br />TPH as Diesel 34.6 1.0 mg/kg 40.3 85.9 63-126 <br />Surrogate: Tetratetracontane 2.04 " 1.45 141 20-152 <br />Matrix Spike (AJ71623-MSI) Source, 07J0347-18 Prepared & Analyzed: 10/16/07 <br />TPH as Diesel 33.9 1.0 mg/kg 40.3 ND 84.1 61-134 <br />Surrogate: Tetratetracontane 2.06 1.45 142 20-152 <br />Matrix Spike Dup (AJ71623-MSDI) Source: 07JO347-18 Prepared & Analyzed: 10/16/07 _ <br />TPH as Diesel 34.5 . 1.0 mg/kg 40.3 ND 85.6 61-134 1.75 20 <br />Surrogate: Tetratetracontane <br />2.02 <br />The results in this report apply to the samples analyzed in accordance with the chain <br />of custody document. This analytical report must be reproduced in its entirety. <br />Corporate: 208 Mason St., Ukiah, CA 95482 • <br />Service Center: 6398 Dougherty Rd., Suite 3, Dublin, CA <br />1.45 139 20-152 <br />Bruce Gove 10/22/2007 <br />Laboratory Director <br />Phone: (707) 468-0401 • Fax: (707) 468-5267 <br />94568 • Phone: (925) 828-6226 • Fax: (925) 828-6309 <br />