40 CFR § 418.25 - Standards of performance for new sources.
---
identifier: "/us/cfr/t40/s418.25"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 418.25 - Standards of performance for new sources."
title_number: 40
title_name: "Protection of Environment"
section_number: "418.25"
section_name: "Standards of performance for new sources."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "418"
part_name: "FERTILIZER MANUFACTURING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1251"
regulatory_source: "39 FR 12836, April 8, 1974, unless otherwise noted."
cfr_part: "418"
---
# 418.25 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 (kilograms per 1,000 kg of product) | |
| Ammonia (as N) | 0.11 | 0.055 |
| pH | () | () |
| | English units (pounds per 1,000 lb of product) | |
| Ammonia (as N) | 0.11 | 0.055 |
| pH | () | () |
| Within the range 6.0 to 9.0. | | |