40 CFR § 426.125 - Standards of performance for new sources.

---
identifier: "/us/cfr/t40/s426.125"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 426.125 - Standards of performance for new sources."
title_number: 40
title_name: "Protection of Environment"
section_number: "426.125"
section_name: "Standards of performance for new sources."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "426"
part_name: "GLASS MANUFACTURING 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), and 316(b) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314, 1316 (b) and (c), 1317(b); 86 Stat. 816  Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217."
regulatory_source: "39 FR 2565, Jan. 22, 1974, unless otherwise noted."
cfr_part: "426"
---


# 426.125 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:

(a) Any manufacturing plant which produces incandescent lamp envelopes shall meet the following limitations with regard to the forming operations.

|  |  |  |
| --- | --- | --- |
|  | Metric units (g/kkg of furnace pull) |  |
| Oil | 90.0 | 45.0 |
| TSS | 90.0 | 45.0 |
| pH | () | () |
|  | English units (lb/1,000 lb of furnace pull) |  |
| Oil | 0.09 | 0.045 |
| TSS | 0.09 | 0.045 |
| pH | () | () |
| Within the range 6.0 to 9.0. |  |  |

(b) Any manufacturing plant which frosts incandescent lamp envelopes shall meet the following limitations with regard to the finishing operations.

|  |  |  |
| --- | --- | --- |
|  | Metric units (g/kkg of product frosted) |  |
| Fluoride | 104.0 | 52.0 |
| Ammonia | 240.0 | 120.0 |
| TSS | 80.0 | 40.0 |
| pH | () | () |
|  | English units (lb/1,000 lb of product frosted) |  |
| Fluoride | 0.104 | 0.052 |
| Ammonia | 0.24 | 0.12 |
| TSS | 0.08 | 0.04 |
| pH | () | () |
| Within the range 6.0 to 9.0. |  |  |