Gateway test

Mecoprop (MCPP)

General Information

• Fact Sheet: mecoprop.pdf
• Product Names:

  Riverdale Triamine (Nufarm) formulated with Dicamba, and 2,4-D
  Riverdale Triplet (Nufarm) formulated with Dicamba, and 2,4-D
  Viper (Nufarm) formulated with Dicamba, and 2,4-D
  Miracle-Gro Weed & Feed (Scotts) formulated with 2,4-D
  Turf Builder (Scotts) formulated with 2,4-D
  Gordon’s Trimec Weed & Feed (PBI/Gordon) formulated with Dicamba, and 2,4-D
  Gordon’s Triple Play (PBI/Gordon) formulated with Dicamba, and 2,4-D
  One Time (BASF) formulated with Dicamba, and Quinclorac
  Chemsico Spot Weed Killer (Chemscio) formulated with Dicamba and 2,4-D
  Power Zone (PBI/Gordon) formulated with Dicamba, MCPA, and Carfentrazone-ethyl

• Uses: Broadleaf weed control in lawns, recreational turf, sports fields, sod farms, roadsides, industrial sites, and rights-of-ways.
• Alternatives: Least-toxic rights-of-way, organic landscape managment
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

• Cancer: Yes (1)
• Endocrine Disruption: Not documented
• Reproductive Effects: Yes (2)
• Neurotoxicity: Yes (3)
• Kidney/Liver Damage: Yes (3)
• Sensitizer/ Irritant: Yes (3)
• Birth/Developmental: Yes (3)
• Detected in Groundwater: Yes (4)
• Potential Leacher: Yes (2)
• Toxic to Birds: Yes (5)
• Toxic to Fish/Aquatic Organisms: Yes (6)
• Toxic to Bees: Not documented

Residential Uses as Found in the ManageSafe™ Database

• Dandelions
• Plantains

Additional Information

• Regulatory Status:
  • EPA Reregistration Eligibility Decision (RED) signed (8/2007)
• Supporting information:
  • NCAP Mecoprop Factsheet (Northwest Coalition for Alternatives to Pesticides)
  • Extoxnet Mecoprop Factsheet (Extension Toxicology Network)
  • PAN Pesticides Database:Mecoprop (Pesticide Action Network)
• Studies [compiled from the Pesticide-Induced Diseases Database]
  • Developmental Toxicity of a Commercial Herbicide Mixture in Mice: I. Effects on Embryo Implantation and Litter Size. Cavieres, M., et al. 2002. Environ Health Perspect 110:1081-1085
  • Organic farming reduces pesticide load in a bird of prey. Fuentes, E. et al. (2024) Organic farming reduces pesticide load in a bird of prey, Science of The Total Environment. Available at: https://www.sciencedirect.com/science/article/pii/S0048969724029255.
  • Short-term oral and dermal toxicity of MCPA and MCPP. Verschuuren, H. et al. (1975) Short-term oral and dermal toxicity of MCPA and MCPP, Toxicology. Available at: https://www.sciencedirect.com/science/article/abs/pii/0300483X75900360.