This action promulgates final standards that limit emissions of hazardous air pollutants (HAP) from existing and new epoxy resins and non-nylon polyamides production operations that are located at major sources. The EPA is in the process of developing standards for a wide range of types of polymer and resin production facilities. The polymers and resins covered by this rule use epichlorohydrin as a feedstock. This rulemaking would affect epoxy resin manufacturers that produce basic liquid epoxy resin, which is often used to produce a cured resin with desired [[Page 12671]] properties for adhesives, coatings, and other plastic applications. This rulemaking would also affect non-nylon polyamide resin manufacturers that use epichlorohydrin in the production of wet strength resin, which is used to increase the tensile strength of paper products. The rule is estimated to reduce emissions of HAP, mainly epichlorohydrin, by approximately 105 tons per year. Epichlorohydrin is considered a probable human carcinogen when inhaled and causes additional toxic effects. The emission reductions achieved by these standards, when combined with the emission reductions achieved by other standards mandated by the CAA, will contribute to achieving the primary goal of the Act, which is to ``enhance the quality of the Nation's air resources so as to promote the public health and welfare and the productive capacity of its population.'' These final standards implement section 112(d) and 112(h) of the Clean Air Act as amended in 1990 (the Act). The purpose of this final rule is to protect the public by requiring all new and existing major sources to control HAP emissions to the level corresponding to the maximum achievable control technology (MACT).