Agmt13 Redwood City Partners, LLC Dewatering License

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related implementation provisions for specifically defined sediments in most bays and estuaries. 2. National Toxics Rule (NTR) and California Toxics Rule(CTR). USEPA adopted the NTR on December 22, 1992, and amended it on May 4, 1995, and November 9, 1999. About 40 criteria in the NTR and apply in California. On May 18, 2000,USEPA adopted the CTR. The CTR promulgated new toxics criteria for California and, in addition, incorporated the previously adopted NTR criteria that applied in the State. The CTR was amended on February 13, 2001. These rules contain water quality criteria(WQC) for priarity toxic pollutants. 3. State Implementation Policy. On March 2,2000, the State Water Board adopted the Policy for Implementation of Toxics Standards for Inland Surface Waters, Enclosed Bays, and Estuaries of California (State Implementation Policy or SIP). The SIP became effective on Apri128, 2000, with respect to the priority pollutant criteria promulgated through the NTR and to the WQOs established in the Basin Plan. The SIP became effective on May 18, 2000, with respect to the priority pollutant criteria promulgated through the CTR. The State Water Board adopted amendments to the SIP on February 24, 2005,which became effective on July 13, 2005. The SIP establishes implementation provisions for priority pollutant criteria and objectives and provisions for chronic toxicity control. Requirements of this Order implement the SIP. 4. Alaska Rule. On March 30, 2000, USEPA revised its regulation that specifies when new and revised state and tribal water quality standards (WQS)become effective for CWA purposes [65 Fed. Reg. 24641 (Apri127, 2000), codified at 40 CFR 131.21]. Under the revised regulation(also known as the Alaska Rule), new and revised standards submitted to USEPA after May 30, 2000,must be approved by USEPA before being used for CWA purposes. The final rule also provides that standards akeady in effect and submitted to USEPA by May 30, 2000,may be used for CWA purposes,whether or not approved by USEPA. 5. Antidegradation Policy.40 CFR 131.12 requires that state WQS include an antidegradation policy consistent with the federal policy. The State Water Board established California's antidegradation policy in State Water Board Resolution 68-16,which incorporates the federal antidegradation policy where the federal policy applies under federal law and requires that existing quality of waters be maintained unless degradation is justified based on specific findings. The Regional Water Board's Basin Plan implements, and incorporates by reference, both the State and federal antidegradation policies. 6. Anti-Backsliding Requirements. CWA Sections 402(0)(2) and 303(d)(4) and 40 CFR 122.44(1)prohibit backsliding in NPDES permits. These anti-backsliding provisions require that effluent limitations in a reissued pernut must be as stringent as those in the previous permit, with some exceptions in which limitations may be relaxed. This Order retains effluent limitations no less stringent than those established by previous orders. Attachment F—Fact Sheet F-10 For VOC and Fuel General NPDES Permit No.CAG912002