§ 63.11955 What are my initial and continuous compliance requirements for other emission sources?

(a) Before opening any process component (including pre-polymerization reactors used in the manufacture of bulk resins) for any reason, the quantity of vinyl chloride must be reduced to an amount that occupies a volume of no more than 2.0 percent of the component's or equipment's containment volume, or 25 gallons, whichever is larger, at standard temperature and pressure.