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i b. Thermal destruction; waste, such as containment of waste in c. Aeration; soil or ground water by physical or hydrological barriers to migration d. Sorption; (natural or engineered), or in-situ e. Precipitation, flocculation, and treatment (e.g., chemical or thermal sedimentation; fixation, or bioremediation), the Regional Water Board shall apply the f. Filtration; applicable provisions of Chapter 15, to g. Fixation; the extent that it is technologically and economically feasible to do so; and h. Evaporation; 3. Implement the applicable provisions of i 4. Excavation or extraction of"soil, water, or Chapter 16 for investigations and cleanup gas for appropriate recycling, re-use, or and abatement of discharges of hazardous disposal; substances from underground storage F. Require actions for cleanup and abatement to: tanks;artd 1. Conform to the provisions of Resolution G. Ensure that dischargers are required to clean up No. 68-16 of the State Water Board, and and abate the effects of discharges in a manner the Water Quality Control Plans of the that promotes attainment of either background State and Regional Water Boards, water quality, or the best water quality which is provided that under no circumstances shall reasonable if background levels of water quality these provisions be interpreted to require cannot be restored, considering all demands cleanup and abatement which achieves being made and to be made on those waters water quality conditions that are better and the total values involved, beneficial and than background conditions; detrimental, economic and social, tangible ancL intangible; in approving any alternative cleanup 2. Implement the provisions of Chapter 15 levels less stringent than background, apply that are applicable to cleanup and Section 2550.4 of Chapter 15, or, for cleanup abatement, as follows: and abatement associated with underground a. If cleanup and abatement involves storage tanks, apply Section 2725 of corrective action at a waste Chapter 16, provided that the Regional Water management unit regulated by waste Board considers the conditions set forth in discharge requirements issued under Section 2550.4 of Chapter 15 in setting Chapter 15, the Regional Water Board alternative cleanup levels pursuant to :shall implement the provisions of that Section 2725 of Chapter 16; any such chapter; alternative cleanup level shall: b. If cleanup and abatement involves I. Be consistent with maximum benefit to S removal of waste from the immediate the people of the state; place of release and discharge of the 2. Not unreasonably affect present and waste to land for treatment, storage, or anticipated beneficial use of such water, disposal, the Regional Water Board and shall regulate the discharge of the waste through waste discharge 3. Not result in water quality less than that requirements issued under Chapter 15, prescribed in the Water Quality Control provided that the Regional Water Plans and Policies adopted by the State Board may waive waste discharge and Regional Water Boards; and requirements under WC Section 13269 if the waiver is not against the public interest (e.g., if the discharge is for H. Consider the designation of containment zones short-term treatment or storage, and-if notwithstanding any other provision of this or the temporary waste management unit other policies or regulations which require cleanup is equipped with features that will to water quality objectives. A containment zone is ensure full and complete containment defined as a specific portion of a water bearing of the waste for the treatment or unit where the Regional Water Board finds, storage period); and pursuant to Section III.H. of this policy, it is unreasonable to remediate to the level that achieves c. If cleanup and abatement involves water quality obiectives. The discharger is actions other than removal of the required to take all actions necessary to prevent the 6