- Chlorine



For more information about the substance, you may click one of the links below to take you to the relevant section:

Program and Regulatory Information

Statutes/Regulations

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

Statutes/Regulations Synonym Synonym Quality Effective Date End Date
NPDES Total Residual Chlorine Unknown
Water Quality Standards Total residual chlorine In Review 11/28/2021
EPCRA 313 Chlorine Valid
EPCRA 302 Chlorine Valid 11/17/1986
CAA112(b) HAP Chlorine Valid
CWA 304B Chlorine, total residual Valid
Guidelines Establishing Test Procedures for the Analysis of Pollutants Chlorine, total residual Unknown
Water Quality Standards Residual chlorine In Review 11/20/2021
Management of Specific Hazardous Wastes and Specific Types of Hazardous Waste Management Facilities Chlorine Valid
CWA 304B Total residual chlorine In Review
Pesticides - Active Ingredients Chlorine Valid
CWA 304B Free available chlorine Valid
CERCLA Chlorine Valid
TSCA Inv Chlorine Valid
Water Quality Standards TRC In Review 12/01/2021
EG Part 415 Total Residual Chlorine Unknown
Water Quality Standards Chlorine Valid 11/27/2021
NPDES Residual chlorine In Review
SARA 110 Chlorine Valid 10/17/1991
EG Part 423 Free available chlorine Unknown
CWA 304B TRC In Review
2020 CDR TSCA Inv Active Chlorine Valid
SDWA NPDWR Chlorine Valid
Determination of Reportable Quantities for Hazardous Substances Chlorine Valid
EG Part 435 Residual Chlorine Unknown
Pesticide Tolerance Exemptions Chlorine gas Unknown
Interim Standards for Owners & Operators of Hazardous Waste Treatment Storage & Disposal Facilities Chlorine Valid
CWA 311-HS Chlorine Valid 03/13/1978
Water Quality Guidance for the Great Lakes System Chlorine Valid
Standards for Owners and Operators of Hazardous Waste Treatment, Storage, and Disposal Facilities Chlorine Valid
CAA 112R Chlorine Valid 01/31/1994

EPA Applications/Systems

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.

Other Sources

Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym.


Ad Hoc List
Ad Hoc List Synonym Synonym Quality Effective Date End Date
RSL Chlorine Valid
AEGL Chlorine Valid
WDNR Chlorine total residual Unknown 03/27/2013

Additional Synonyms
There are no Synonyms of this type.

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Related Substances

This substance exists as a Related Substance of the following substances.

Systematic Name Synonym CAS Number TSN EPA Identifier Effective Date End Date
Hazardous air pollutants Hazardous air pollutants E761502 08/15/2000

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Health and Other Scientific Information

The following list includes links related to the selected substance. Some of the following links exit EPA's site Exit.

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