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The categorical pretreatment standards found at 40 C.F.R. Chapter I, Subchapter N, parts 405 through 471 are hereby incorporated.
(A) Where a categorical pretreatment standard is expressed only in terms of either the mass or the concentration of a pollutant in wastewater, the Wastewater Superintendent may impose equivalent concentration or mass limits in accordance with 40 C.F.R. § 403.6(c).
(B) When wastewater subject to a categorical pretreatment standard is mixed with wastewater not regulated by the same standard, the Wastewater Superintendent shall impose an alternate limit using the combined waste stream formula in 40 C.F.R. § 403.6(e).
(C) A user may obtain a variance from a categorical pretreatment standard if the user can prove, pursuant to the procedural and substantive provisions in 40 C.F.R. § 403.13, that factors relating to its discharge are fundamentally different from the factors considered by EPA when developing the categorical pretreatment standard.
(D) A user may obtain a net gross adjustment to a categorical standard in accordance with 40 C.F.R. § 403.15.
(1996 Code, § 168-6) Penalty, see § 52.999
(A) The town may apply local limits through issuance of industrial user permits as provided in this chapter.
(B) The town may apply local limits based on EPA categorical pretreatment standards, water quality standards or criteria, treatment plant process inhibitions, or sludge disposal standards as necessary to comply with the general prohibitions against pass-through, interference and sludge contamination in 40 C.F.R. part 403 and VR 680-14-01, part VII.
(1996 Code, § 168-8)
(A) No industrial user shall ever increase the use of process water, or in any way attempt to dilute a discharge, as a partial or complete substitute for adequate treatment to achieve compliance with a discharge limitation unless expressly authorized by an applicable pretreatment standard or requirement.
(B) The Wastewater Superintendent may impose mass limitations on industrial users which are using dilution to meet applicable pretreatment standards or requirements, or in other cases when the imposition of mass limitations is appropriate.
(1996 Code, § 168-10) Penalty, see § 52.999
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