The proposed rule amendments exclude some facilities that produce ethanol by natural fermentation, including some ethanol fuel production facilities, from being considered a “chemical process plant” for purposes of qualifying for an exemption from the state’s “prevention of significant deterioration” air permitting rules. The proposed rule amendment is consistent with U.S. Environmental Protection Agency (EPA) regulations adopted May 1, 2007. The proposed rule amendments are not expected to require legislative ratification. OTHER RULES INCORPORATING THIS RULE: Rule 62-212.400, F.A.C., is referenced in Rules 62-4.050, 62-204.200, 62-204.220, 62-204.320, 62-210.200, 62-210.300, 62-210.340, 62-210.350, 62-210.550, 62-212.300, 62-212.500, 62-212.600, 62-212.710, 62-296.416, 62-296.500, and 62-296.700, F.A.C. EFFECT ON THOSE RULES: The amendments would have no impact on Rules 62-210.340, 62-212.600, 62-212.710, 62-296.416, and 62-296.700, F.A.C. The amendments would change the definition cited in Rules 62-4.050, 62-204.200, 62-204.220, 62-204.320, 62-210.200, 62-210.300, 62-210.350, 62-210.550, 62-212.300, 62-212.500, and 62-296.500, F.A.C.