Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (Lock A locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Carbon Black Manufacturing Effluent Guidelines
The EPA promulgated theCarbon Black Manufacturing Effluent Guidelines and Standards (40 CFR Part 458Exit EPA’s website) in 1976 and 1978. The regulation covers directdirectA point source that discharges pollutants to waters of the United States, such as streams, lakes, or oceans. and indirectindirectA facility that discharges pollutants to a publicly owned treatment works (municipal sewage treatment plant). dischargers. The Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (see Pretreatment Program).
On this page:
* What is the Carbon Black Manufacturing Industry?
* Pollutants and Subcategories
* Rulemaking History
* Additional Information
What is the Carbon Black Manufacturing Industry?
Related Information * Stormwater Fact Sheet (Sector C: Chemical and Allied Products Manufacturing and Refining)
Carbon black is derived from petrochemicals and is an important family of industrial carbons used primarily as reinforcing agents in rubber and as black pigments in inks, coatings, and plastics. Carbon black manufacturing is included within NAICS group 325182. The NAICS listing is provided as a guide and does not define the coverage of the Carbon Black Manufacturing category. For precise definitions of coverage, see the applicability sections in 40 CFR Part 458Exit EPA’s website.
Pollutants and Subcategories
Regulated Pollutants
All four subcategories have the same effluent limitations: * Direct dischargers: No discharge of process wastewater * Indirect dischargers: Oil and grease
Regulation Subcategories
- Furnace Process (Subpart AExit EPA’s website)
- Thermal Process (Subpart BExit EPA’s website)
- Channel Process (Subpart CExit EPA’s website)
- Lamp Process (Subpart DExit EPA’s website)
Rulemaking History
1978 Amendment
BAT, NSPS, PSNS * Documents, including: * Final Rule (January 9, 1978) * Proposed Rule (May 18, 1976)
1976 Initial Rulemaking
BPT
* Documents, including:
* Interim Final Rule (May 18, 1976)
* Development Document (April 1976)
Industry description, wastewater characterization, treatment technologies, regulatory compliance cost estimates and pollutant loadings for the final rule
Additional Information
For additional information regarding the Carbon Black Manufacturing Effluent Guidelines, please contact Doruntinë Rexhepi (rexhepi.doruntine@epa.gov) or 202-566-2532.
Effluent Guidelines
Open Sidenav Menu Close Sidenav Menu Contact Us About Effluent Guidelines Contact Us About Effluent Guidelines to ask a question, provide feedback, or report a problem. Last updated on May 8, 2026 Welcome! Please share your feedback on how we can make www.epa.gov work better for you. A red asterisk (*) indicates a required field.
Success
Thank you. Your feedback has been received.
Error
alert message Required Questions - page 1 of 2 question_55203_answer_01 How would you rate your experience on www.epa.gov today? *
0 Stars 1 Star 2 Stars 3 Stars 4 Stars 5 Stars Please explain the reason for your rating. * 400 characters allowed Would you like to take two more minutes to answer more questions to help us improve our services? Yes, keep going → No, only submit these responses Optional questions - page 2 of 2 How would you describe yourself? Business Government employee Scientist Student Other Enter other text Please tell us why you visited www.epa.gov today. 400 characters allowed Did you visit www.epa.gov to accomplish a specific task? If yes, please explain why you were able or unable to accomplish your task. 400 characters allowed How can we make www.epa.gov a more helpful website? 400 characters allowed Submit [NAICS]: North American Industrial Classification System [BAT]: Best Available Technology Economically Achievable [NSPS]: New Source Performance Standards [PSNS]: Pretreatment Standards for New Sources [BPT]: Best Practicable Pollutant Control Technology Currently Available [*]: required