National Emission Standards for Hazardous Air Pollutants: Surface Coating of Automobiles and Light-Duty Trucks

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This action proposes national emission standards for hazardous air pollutants (NESHAP) for automobile and light-duty truck surface coating operations located at major sources of hazardous air pollutants (HAP). The proposed NESHAP would implement section 112(d) of the Clean Air Act (CAA) by requiring these operations to meet HAP emission standards reflecting the application of the maximum achievable control technology (MACT). The primary HAP emitted by these operations are toluene, xylene, glycol ethers, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), ethylbenzene, and methanol. The proposed rule would reduce nationwide HAP emissions from these major sources by about 60 percent. This action also proposes to amend the Air Emission Standards for Equipment Leaks for owners and operators of hazardous waste treatment, storage, and disposal facilities to exempt certain activities covered by the proposed NESHAP from these standards.