Information on Dacthal (DCPA)
Find information on the registration status, continuous evaluation and mitigation measures in California to regulate this active ingredient. An active ingredient is the chemical that makes a pesticide work on a target pest.
Active Ingredient: Dacthal (DCPA)
Type of Pesticide: Herbicide
California Registration: Suspended
EPA Registration: No
Fumigant: No
California Restricted Material: No
Toxic Air Contaminant (TAC): No
Volatile Organic Compound (VOC): No
Potential Groundwater Contaminant: No
Reevaluation Status: None
Chemical Class: Phthalate
DPR Chemical Code: 179
Recent Reports and Announcements
- Correlating Agricultural Use with Ambient Air Concentrations of Chlorthal-dimethyl During the Period of 2011–2014
- Legal Agricultural Use Determination for DCPA Degradate Detections in California
- Director’s Decision in Response to the Pesticide Registration and Evaluation Committee's Subcommittee Findings Regarding the Detection of Chlorthal-Dimethyl Degradation Products in Ground Water
- Chlorthal-Dimethyl Findings by the Subcommittee of the Pesticide Registration and Evaluation Committee
- Study 300: Groundwater Monitoring for DCPA and Its Degradation Products MTP and TPA
Risk Evaluation and Mitigation Documents
- October 2021 - Study 300: Groundwater Monitoring for DCPA and its Degradation Products MTP and TPA - English pdf
- November 2018 - Chlorthal-Dimethyl Findings by the Subcomittee of the Pesticide Registration and Evaluation Committee - English pdf
- January 2018 - Legal Agricultural use Determination for DCPA Degradate Detections in California - English pdf
- September 2017 - The Qualification of Method EMON-SM-05-040 as Unequivocal According to Criteria in the Pesticide Contamination Prevention Act - English pdf
- February 2017 - Evaluation of the Potential Human Health Effects from Drinking Ground Water Containing Dacthal (DCPA) Degradates - English pdf
- February 2016 - Correlating Agricultural use with Ambient Air Concentration of Chlorthal-Dimethyl During the Period of 2011 - 2014 - English pdf
Historic Documents
- Pesticide Contamination Prevention Act Review Process Triggered by Detections of Chlorthal Dimethyl in Ground Water