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CAL TRANS MAINTEN "-'SCE YARD Page 2 of 2 <br /> i.For bioattenuation zone without oxygen measurements or oxygen<4%and benzene concentration are<100 pg/L,the bioattenuation zone:is a - - <br /> continuous zone that provides a separation of at least 5 feet vertically between the dissolved phase benzene and the foundation of existing or potential r_'' YES NO <br /> building,and contain total TPH<100 mg/kg throughout the entire depth of the bioattenuation zone. - <br /> ii.For bioattenuation zone without oxygen measurements or oxygen<4%and benzene concentration are>100 pg/L but<11,000 pg/L,the bioattenuation <br /> zone:Is a continuous zone that provides a separation of at least 10 feet vertically between the dissolved phase benzene and the foundation of existing or G YES C! NO. <br /> potential building,and contain total TPH<100 mg/kg throughout the entire depth of the bioattenuation zone. <br /> _ iii.For bioattenuation zone with oxygen z 4%and benzene concentration are<1,000 pg/L,the bioattenuation zone:Is a continuous zone that provides a <br /> separation of at least 5 feet vertically between the dissolved phase benzene and the foundation of existing or potential building,and contain total TPH f! YES G NO <br /> <700 mg/kg throughout the entire depth of the bioattenuation zone. <br /> 3.Media Specific Criteria:Direct Contact and Outdoor Air Exposure-The site is considered low-threat for direct contact YES <br /> and outdoor air exposure if it meets 9,Z or 3 below.-cLEAR srcTIoN ANsvvERs <br /> EXEMPTION•The upper 10 feet of soil is free of petroleum contamination f-' YES to NO <br /> Does the site meet any of the Direct Contact and Outdoor Air Exposure criteria scenarios? (F YES C; NO <br /> 3.1-Maximum concentrations of petroleum constituents in soil are less than or equal to those listed in the following table(LINK)for the specified depth G YES CJ NO <br /> below ground su face. <br /> Additional Information <br /> Should this case be closed in spite of NOT meeting policy criteria? fJ YES r-NO <br /> SPELL-CHECK <br /> Save in Progress F Save as Final <br /> LOGGED IN AS MAMASITALISA CONTACT GEOTRACKER HELP <br /> I <br /> I <br /> i <br /> i <br /> I <br /> i <br /> https:Hgeotracker.waterboards.ca.govlregulators/screens/closure policy.asp?... 7/2/2013 <br />