The Synthetic Organic Chemical Manufacturing Industry (SOCMI), as a source category, emits a larger volume of a variety of HAPs compared to other source categories (see Table 5.3.1). In addition, individual SOCMI sources tend to be located close to the population. As such, components of SOCMI sources have been subject to various federal, state, and local air pollution control rules. However, the existing rules do not comprehensively regulate emissions for all organic HAPs emitted from all emissions points at both new and existing plants.
By describing hazardous organic national emission standards for air pollutants (NESHAP), or the HON, this section describes the emission points common to all SOCMI manufacturing processes and the maximum achievable control technology (MACT) required for reducing these emissions.
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