SITE INFORMATION AND CORRESPONDENCE_2001-2005

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# Source Standard, Requirement, Description ARARs, or To Comments Criterion, or Limitation Be Considered 10 Porter-Cologne Title 27,CCR, Section 20090(d) Action taken by public agencies to clean up Applicable Applies to remediation and Water Quality Title 23,CCR. Section unauthorized releases are exempt from Title monitoring of sites. Control Act 2511 (d) 27/Title 23 accept that wastes removed from (California Water immediate place of release and discharged to Code Sections land must be managed in accordance with 13140-13147, classification(Title 27,CCR,Section 20200/ 13172, 13260, Title 23, CCR, Section 2520)and siting 13263, 13267, requirements of Title 27 or Title 23 and 13304). wastes contained or left in place must comply with Title 27 or Title 23 to the extent feasible. 11 Porter-Cologne Title 27, CCR, Section 20400 Concentration limits must be established for Applicable Applies in setting ground water Water Quality Title 23,CCR, Section 2550.4. groundwater,surface water, and the cleanup levels for all discharges of Control Act unsaturated zone.Must be based on waste to land. (California Water background,equal to background,or for Code Sections corrective actions,may be greater than 13140-13147, background,not to exceed the lower of the 13172, 13260, applicable water quality objective or the 13263, 13267, concentration technologically or 13304). economically achievable. Specific factors must be considered in setting cleanup standards above background levels. 12 Porter-Cologne Title 27,CCR, Section 20410 Requires monitoring for compliance with Applicable Applies to groundwater remedial Water Quality Title 23,CCR,Section 2550.6 remedial action objectives for three years actions. Control Act from the date of achieving cleanup standards. (California Water Code Sections 13140-13147, 13172, 13260, 13263, 13267, 13304). Central Valley RWQCB Page 4 of 6 29 September 1998