40 CFR Part 133
PART 133—SECONDARY TREATMENT REGULATION
- PART 133—SECONDARY TREATMENT REGULATION
- Chapter I—Environmental Protection Agency › Subchapter D—Water Programs
- § 133.100 Purpose.
- § 133.101 Definitions.
- § 133.102 Secondary treatment.
- § 133.103 Special considerations.
- § 133.104 Sampling and test procedures.
- § 133.105 Treatment equivalent to secondary treatment.
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