40 CFR § 20.8 - Requirements for certification.
(1) It has been certified by the State certifying authority.
(2) That the facility:
(i) Removes, alters, disposes of, stores, or prevents the creation of pollutants, contaminants, wastes, or heat, which, but for the facility, would be released into the environment;
(ii) Does not by a factor or more than 5 percent: (A) Increase the output or capacity, (B) extend the useful life, or (C) reduce the total operating costs of the operating unit (of the plant or other property) most directly associated with the pollution control facility; and
(iii) Does not significantly alter the nature of the manufacturing or production process or facility.
(3) The applicant is in compliance with all regulations of Federal agencies applicable to use of the facility, including conditions specified in any NPDES permit issued to the applicant under section 402 of the Act.
(5) The applicant has complied with all the other requirements of this part and has submitted all requested information.
(b) In determining whether use of a facility furthers the general policies of the United States and the States in the prevention and abatement of water pollution, the Regional Administrator shall consider whether such facility is consistent with the following, insofar as they are applicable to the waters which will be affected by the facility:
(2) Decisions issued pursuant to section 310 of the Act;
(3) Water pollution control programs required pursuant to any one or more of the following sections of the Act: Section 306, section 307, section 311, section 318, or section 405; or in order to be consistent with a plan under section 208.
(c) In determining whether use of a facility furthers the general policies of the United States and the States in the prevention and abatement of air pollution, the Regional Administrator shall consider whether such facility is consistent with and meets the following requirements, insofar as they are applicable to the air which will be affected by the facility;
(1) Plans for the implementation, maintenance, and enforcement of ambient air quality standards adopted or promulgated pursuant to section 110 of the Act;
(2) Recommendations issued pursuant to sections 103(e) and 115 of the Act which are applicable to facilities of the same type and located in the area to which the recommendations are directed;
(3) Local government requirements for control of air pollution, including emission standards;
(2) Is otherwise eligible for certification.
(e) Where a facility is used in connection with more than one plant or other property, one or more of which were not in operation before January 1, 1976, or where a facility will perform a function other than the removal, alteration, storage, disposal, or prevention of pollutants, contaminants, wastes, or heat, the Regional Administrator will so indicate on the notice of certification and will approve or disapprove the applicant's suggested method of allocating costs. If the Regional Administrator disapproves the applicant's suggested method, he shall identify the proportion of costs allocable to each such plant, or to the removal, alteration, storage, disposal, or prevention of pollutants, contaminants, wastes, or heat.