GroundRules
40 CFR 420.34: New source performance standards (NSPS).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 420—IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY
- Subpart C—Ironmaking Subcategory
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Iron blast furnace.
Subpart C
Pollutant or pollutant property New source performance standards
Maximum for any 1 day Average of daily values for 30 consecutive days
Kg/kkg (pounds per 1,000 lb) of products
TSS 0.0117 0.00438
O&G 0.00292
Ammonia-N 0.00876 0.00292
Cyanide 0.000584 0.000292
Phenols (4AAP) 0.0000584 0.0000292
TRC 1 0.000146
Lead 0.000263 0.0000876
Zinc 0.000394 0.000131
pH (2) (2)
1 The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.
2 Within the range of 6.0 to 9.0.
(b) [Reserved]
Collected 2026-08-27T02:26:04Z. Source file · JSON