40 CFR 419.31 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (Part 400 To § 424.77) — Environmental Protection Agency (Continued) (Part 400 To § 424.77) — Effluent Guidelines And Standards (Part 400 To § 424.77) — Petroleum Refining Point Source Category (§ 419.10 To Appendix A To Part 419) — Petrochemical Subcategory (§ 419.30 To § 419.37) — Specialized definitions.

For the purpose of this subpart:

(a) The general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter and the specialized definitions set forth in § 419.11 shall apply.

(b) The term petrochemical operations shall mean the production of second-generation petrochemicals (i.e., alcohols, ketones, cumene, styrene, etc.) or first generation petrochemicals and isomerization products (i.e., BTX, olefins, cyclohexane, etc.) when 15 percent or more of refinery production is as first-generation petrochemicals and isomerization products.