CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS (Parts 400–471) > PART 419—PETROLEUM REFINING POINT SOURCE CATEGORY > SUBPART E—Integrated Subcategory (§419.50 to §419.57) > 419.51—Specialized definitions.

419.51—Specialized definitions.

The general definitions, abbreviations, and methods of analysis set forth in part 401 of this chapter and the specialized definitions set forth in § 419.31 shall apply to this subpart.