Haw. Code R. § 11-60.1-12 - Air quality models

(a) All required estimates of ambient concentrations shall be based on the applicable air quality models, data bases, and other requirements specified in 40 CFR Part 51, Appendix W.

(b) Where an air quality model specified in 40 CFR Part 51, Appendix W is inappropriate, the model may be modified or another model substituted on written request to and written approval from the director. The director shall provide for public notice, including the method by which a public hearing can be requested, and an opportunity for public comment, on all proposed modifications or substitutions of an air quality model. Written approval from the director, and EPA through the director shall be obtained for any modification or substitution. Guidelines identified in 40 CFR Part 51, Appendix W for substituting or using alternate models shall be used in determining the acceptability of a substitute or alternate model.

Notes

Haw. Code R. § 11-60.1-12

[Eff 11/26/93; comp 10/26/98; am and comp 9/15/01; comp 11/14/03; comp 1/13/12; comp JUN 30 2014] (Auth: HRS §§ 342B-3, 342B-12; 42 U.S.C. §§7407, 7416) (Imp: HRS §§ 342B-3, 342B-12; 42 U.S.C. §§7407, 7416) Historical note: § 11-60.1-12 is based substantially upon § 11-60-17. [Eff and comp 4/14/86; am and comp 6/29/92; R 11/26/93] Comp 2/8/2024