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TABLE 2 2012 SOIL SAMPLE ANALYTICAL RESULTS Method SB-1-S-11 I Sample ID: CHHSL Detection PWB-1-S-13 TFA-1-S-1 3 EXCV-1-S-11 EXCV-2-S-11 UST-1•S-12 DUP-1-S SB-2-S-11 Sample Date: Units (Residential) Limit 3/5/2012 3/5/2012 3/6/2012 3/6/2012 3/6/2012 3/7/2012 3/7/2012 Fumigants 1,2-Dibromo-3-chloropropane (DBCP) mg/kg 0.0054a 1 0.005 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U/0.01 U 0.01 U Ethylene dibromide(EDB) jmg/kgj 0.034a 1 0.005 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U 1 0.01 U/0.01 U 0.01 U Pesticides 4,4'-DDD mg/kg 2.3 0.0018 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U 4,4'-DDE mg/kg 1.6 0.0016 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U 4,4'-DDT mg/kg 1.6 0.0004 0.18 0.05 U 0.05 U 0.031 J 0.1 0.0091 J 10.030 J 0.05 U Aldrin mg/kg 0.033 0.0014 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U alpha-benzene hexachloride(BHC) mg/kg 0.077a 0.001 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U beta-BHC mg/kg 0.27a 0.001 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U Chlordane mg/kg 0.43 0.0021 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U delta-BHC mg/kg - 0.0011 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U Dieldrin mg/kg 0.035 0.0011 0.05 U 0.0019 J 0.05 U 0.05 U 0.05 U 0.0069 J/0.05 U 0.05 U gamma-BHC (lindane) mg/kg 0.5 0.0009 0.05 U 0.05 U 0.05 U 0.0037 J 0.05 U 0.0025 J/0.05 U 0.05 U Heptachlor mg/kg 0.13 0.0011 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U 0.05 U/0.05 U 0.05 U Toxaphene I mg/kg 0.46 0.0157 0.7 J 1.0 U 1.0 U 0.42 J 0.32 J 1.0 U/0.13 J 0.27 J General Chemistry Sulfolane jmg/kg1 8.6b 1 0.035 1 0.1 U 1 0.1 U 1 0.1 U 1 0.1 U 1 0.1 U 1 0.1 U/0.1 Notes: mg/kg-milligrams per kilogram U-not detected above the reporting limit J-estimated concentration CHHSL-California human health screening level, available online at http://oehha.ca.gov/risk/chhsitable.htm a CHHSL unavailable; value shown is U.S. EPA Region 9 residential Regional Screening Level, available online at www.epa.gov/region9/superfund/prg/ b Site-specific cleanup level Gray shading denotes results that exceed the residential screening level: