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404 N Wiget lane <br /> Sequoia Walnut Creek, CA 94598 <br /> (925) 988-9600 <br /> Analytical FAX(925)988-9623 <br /> IT Corporation Project Sears <br /> 4005 Port Chicago Hwy Project Number Sears-Stockton Reported <br /> Concord CA,94520 Project Manager Dave Poley 24-Nov-99 15 23 <br />' Volatile Organic Compounds by EPA Method 8260A <br /> Sequoia Analytical -Walnut Creep <br /> Reporting <br /> JAnalyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> A4-15 (W911214-04)Soil Sampled 08-Nov-99 11 15 Received 09-Nov-99 09 00 <br /> thanol ND 25 mg/kg 100 9K10025 09-Nov-99 13-Nov-99 EPA 8260A <br /> ert-Butyl alcohol ND 50 11 1. 1. 11 <br /> ethyl tert-butyl ether ND 0 10 " " " 1. <br /> " <br /> Di-isopropyl ether ND 0 10 " <br /> tthyl tert-butyl ether ND 0 10 " <br /> ,2-Dichloroethane ND 010 " <br /> tert-Amyl methyl ether ND 0 10 <br /> IW,2-Dibromoethane ND 010 " <br /> urrogate Dtbrornofluoromethane 112 % 50-150 " <br /> Surrogate 1,2 Dichloroethane-d4 100% 50-150 " <br /> ichlorodiflucromethane ND 010 " 13-Nov-99 " <br /> hloromethane ND 010 " <br /> Vinyl chloride ND 0 10 <br /> Oomethane ND 010 <br /> oethane ND 010 " <br /> bIlor-ofluoromethane ND 010 " <br /> 1,1-Dlchloroethene ND 010 " <br /> Weethylene <br /> chlonde ND 0 50 <br /> s-1,2-Dlchloroethene ND 010 <br /> 2- utanone ND 0 50 " <br /> 1,1-Dichloroethane ND 010 " <br /> t2-Dichloropropane ND 010 " <br /> is-1,2-Dichloroethene ND 010 <br /> Bromochloromethane ND 010 <br /> hloroform ND 010 " <br /> -Tnchloroethane ND 010 <br /> cis-1,3-Dichloropropene ND 010 " <br /> Carbon tetrachlonde ND 0 10 " <br /> t1 -Dichloropropene ND 010 <br /> ,1 " <br /> enzene ND 010 <br /> trans-l,3-Dichloropropene ND 010 " <br /> W12-Dichloroethane ND 010 " <br /> rricliloroethene ND 0 1 <br /> 1,2-Dichloropropane ND 010 " <br /> tbromomethane ND 010 " <br /> romodichloromethane ND 010 " <br /> w'roluene ND 010 <br /> 1,1,2-Trichloroethane ND 010 " <br />%V o1a Analytical-Walnut Creek The results in this report apply to the samples analyzed r n accordance with thee irn of <br /> custody document This analytical report must be reproducedin its entirety <br /> !r <br /> Dimple Shama,Project Manager Page 13 of 46 <br />