Provides the necessary guidelines for state and federal air pollution authorities to control emissions of VOCs from reactor processes and distillation operations in the synthetic organic chemical manufacturing industry. Emissions are characterized and VOC control options are described. A reasonably available control technology (RACT) is defined for process vents from reactor processes and distillation operations. Information on the cost of control, environmental impacts of the controls, and a "model rule" are provided. 40 charts, tables and drawings.