GroundRules
40 CFR 429.85: Pretreatment standards for existing sources (PSES).
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
- PART 429—TIMBER PRODUCTS PROCESSING POINT SOURCE CATEGORY
- Subpart G—Wood Preserving Steam Subcategory
Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and meet the following pretreatment standards for existing sources (PSES):
Subpart G
[PSES Effluent Limitations]
Pollutant or pollutant property Maximum for any 1 day (mg/l)
Oil and grease 100
Copper 5
Chromium 4
Arsenic 4
In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as guidance.
[Grams per cubic meter of production]
Pollutant or pollutant property Maximum for any 1 day
Oil and grease 20.5
Copper .62
Chromium .41
Arsenic .41
Collected 2026-08-27T02:26:04Z. Source file · JSON