- 2,4-D



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 Active Status
EG Part 455 2,4-D Valid
Land Disposal Restrictions D016 Unknown
PRTI 2,4-D Unknown
NPDES 2,4-D (2,4-Dichlorophenoxy acetic acid) Unknown
CWA 304B 2,4-Dichlorophenoxyacetic acid In Review
TSCA Inv Acetic acid, 2-(2,4-dichlorophenoxy)- Valid Active
Pesticides - Active Ingredients 2,4-D Valid
Criteria for Municipal Solid Waste Landfills 2,4-D Valid
SARA 110 2,4-D Acid Valid 10/20/1988 Active
RCRA Appendix VIII 2,4-D Valid
Determination of Reportable Quantities for Hazardous Substances 2,4-D Acid Unknown
Classification of Solid Waste Disposal Facilities and Practices 2,4-Dichlorophenoxy acetic acid Unknown
Hazardous Waste Injection Restrictions 2,4-D Valid
RCRA T Char 2,4-D Valid 03/29/1990 Active
CAA112(b) HAP 2,4-Dichlorophenoxy Acetic Acid Unknown
Water Quality Standards 2,4-D Valid 11/29/2021
RCRA Appendix VIII Acetic acid, (2,4-dichlorophenoxy)- Valid
EPCRA 313 2,4-D Valid
CWA 311-HS 2,4-Dichlorophenoxyacetic acid In Review 03/13/1978 Active
Water Quality Standards 2,4-Dichlorophenoxyacetic acid In Review 11/29/2021
SDWA NPDWR 2,4-D Valid
RCRA: Appendix IX 2,4-D Valid
Uranium Mill Wastes 2,4-D Valid
CWA 304B 2,4-D Valid
Interim Standards for Owners & Operators of Hazardous Waste Treatment Storage & Disposal Facilities 2,4-D Valid
2020 CDR TSCA Inv Active Acetic acid, 2-(2,4-dichlorophenoxy)- Unknown Active
CWA 311-HS 2,4-D acid Valid 03/13/1978 Active
CERCLA 2,4-D acid Valid
Guidelines Establishing Test Procedures for the Analysis of Pollutants 2,4-D Valid
Water Quality Guidance for the Great Lakes System 2,4-Dichlorophenoxyacetic acid In Review

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
WDNR 2,4-Dichlorophenoxyacetic acid In Review 03/27/2013
RSL Dichlorophenoxy Acetic Acid, 2,4- Unknown
EPA Acetic acid, (2,4-dichlorophenoxy)- Valid 01/20/2010

Additional Synonyms
There are no Synonyms of this type.

Top of Page

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
Acetic acid, (2,4-dichlorophenoxy)-, salts and esters Acetic acid, (2,4-dichlorophenoxy)-, salts and esters E650051
Pesticides, organic, chemicals, total, from CWA304B 40 CFR455.20(b) Pesticides, organic, chemicals, total, from CWA304B 40 CFR455.20(b) E755231
Base neutral acids Base neutral acids E17001603

Top of Page

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.

Top of Page