This paper describes methods used for the most recent emission inventory completed for Pantex Plant: 1995 data. The purpose of the inventory was to provide information for Title V Federal Operating Permit related management decisions; the purpose of the paper is to describe the methods used and results. Pantex Plant is owned by the Department of Energy, and located in Carson County, Texas, north of U.S. 60 and 17 miles northeast of Amarillo. The Plant missions include assembly, disassembly, and repair of nuclear weapons; development/fabrication of high explosives (HE); and demilitarization and sanitization of weapon components. This study found most criteria pollutants were generated by fuel combustion; most volatile organic compounds (VOC) and hazardous air pollutants (HAPs) emissions were due to painting, miscellaneous chemical use, and HE synthesis. Demilitarization and sanitization of nuclear weapon components produced both criteria pollutants and HAPs. Fuel combustion included natural gas and diesel at the boilers, standby diesel engines, and wood and diesel used to initiate waste HE combustion. Pantex operated three separate painting facilities, and emissions estimates from these were made by three separate methods. Emissions were determined for HE synthesis and formulation from individual batch records. Emissions from demilitarization and sanitization of components (much by forms of open burning) included criteria pollutants from HE itself, and certain HAPs primarily from HE binder components. Actual emissions were below Potential to Emit thresholds for Title V Major Source status.
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