§ 63.11430 What are the standards?

(a) If you use a pressure treatment process with any wood preservative containing chromium, arsenic, dioxins, or methylene chloride at a new or existing area source, the preservative must be applied to the wood product inside a retort or similarly enclosed vessel.

(b) If you use a thermal treatment process with any wood preservative containing chromium, arsenic, dioxins, or methylene chloride at a new or existing area source, the preservative must be applied using process treatment tanks equipped with an air scavenging system to control emissions.