National Emission Standards for Hazardous Air Pollutants for Leather Finishing Operations

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This action proposes national emission standards for hazardous air pollutants (NESHAP) for leather finishing operations. The EPA has identified these facilities as major sources of hazardous air pollutant (HAP) emissions such as glycol ethers, toluene, and xylene. These HAP are associated with a variety of adverse health effects. These adverse health effects include chronic health disorders (e.g., effects on the central nervous system, blood, and heart) and acute health disorders (e.g., irritation of eyes, throat, and mucous membranes and damage to the liver and kidneys). These proposed NESHAP will implement section 112(d) of the Clean Air Act (CAA) by requiring all leather finishing facilities that are major sources to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT). The EPA estimates that these proposed NESHAP will reduce nationwide emissions of HAP from leather finishing operations by approximately 375 tons per year (tpy). In addition, the proposed NESHAP would reduce non-HAP emissions of volatile organic compounds (VOC) by 750 tpy. The emissions reductions achieved by these proposed NESHAP, when combined with the emissi