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groundwater that has been treated and reinjected into the same formation from which it was drawn are not prohibited if approved by EPA pursuant to CERCLA provisions. o. Clean Air Act, 42 USC % 7401 et seq. This section should be deleted from the Federal table and addressed in the State table because the specific standards are governed by the San Joaquin Valley Unified APCD requirements developed pursuant to State requirements. No Federal standard exists. P. Clean Water Act, 33 USC §(sections not cited) This may be an ARAR if a discharge to navigable waters occurs and a more stringent state ARAR does not otherwise apply. The state should opine as to these two issues. However, since the discharge mechanisms are to ponds and to injection wells, this would appear to not be an ARAR. Corrective Action: Incorporate appropriate changes to the ARARs Tables and the text of the ROD to reflect all the above comments. 133. Table 10.2-2 State ARARs a. Air Resources Act, 17 CCR, Part III, Chapter 1 § 60000 et seq. A specific numerical emission limit must be identified. If no value is identified or if the value is less stringent than 15 pounds per day (cite federal US EPA, OSWER Directive) then the limit set by Federal guidance would govern as a performance standard. b. California Safe Drinking Water Act, 22 CCR, Div. 4, Chapter 15, § 64401 et seq. Only the more stringent state standard is an ARAR, i.e., the standard for DCE. PCE and TCE are subject to the Federal Safe Drinking Water Act. C. Discharges of Waste to Land, 22 CCR Title 23, Div 3, Chapter 15 § 2500 et seq. This is not an ARAR. Chapter 15 "establish[es] waste and site classifications and waste management requirements for waste treatment, storage or disposal in landfills, surface impoundments, waste piles, and land treatment facilities." The selected remedy does not include any such waste management unit. Reference to this citation should be deleted. EPA/R9 June 7, 1993 32/40