### Question
How is the "effluent limitations guidelines" defined?


### Answer
The term **effluent limitations guidelines** is defined in *40 CFR § 401.11* as follows -

> any effluent limitations guidelines issued by the Administrator pursuant to section 304(b) of the Act.

#### Citation:
  - *40 CFR § 401.11*
  - Heading: **PART 401—GENERAL PROVISIONS > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS > SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS**

