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40 CFR § 406.105 - Standards of performance for new sources.

---
identifier: "/us/cfr/t40/s406.105"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 406.105 - Standards of performance for new sources."
title_number: 40
title_name: "Protection of Environment"
section_number: "406.105"
section_name: "Standards of performance for new sources."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "406"
part_name: "GRAIN MILLS POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304 (b) and (c), 306 (b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816  Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217."
regulatory_source: "39 FR 10513, Mar. 20, 1974, unless otherwise noted."
cfr_part: "406"
---

# 406.105 Standards of performance for new sources.

The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:

|  |  |  |
| --- | --- | --- |
|  | Metric units (kg/kkg of raw material (wheat flour)) |  |
| BOD | 3.0 | 1.0 |
| TSS | 3.0 | 1.0 |
| pH | () | () |
|  | English units (lb/1,000 lb of raw material (wheat flour)) |  |
| BOD | 3.0 | 1.0 |
| TSS | 3.0 | 1.0 |
| pH | () | () |
| Within the range 6.0 to 9.0. |  |  |