40 CFR 405.21
§ 405.21 Specialized definitions.
United States · 40 CFR — Protection of Environment · Status: effective
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- Citation
- 40 CFR 405.21, § 405.21 Specialized definitions, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/187265
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Full text
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term “BOD5 input” shall mean the biochemical oxygen demand of the materials entered into process. It can be calculated by multiplying the fats, proteins and carbohydrates by factors of 0.890, 1.031 and 0.691 respectively. Organic acids (e.g., lactic acids) should be included as carbohydrates. Composition of input materials may be based on either direct analyses or generally accepted published values.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.