Gateway on Pesticide Hazards and Safe Pest Management

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: Not documented
• Endocrine Disruption: Not documented
• Reproductive Effects: Yes (4)
• Neurotoxicity: Not documented
• Kidney/Liver Damage: Yes (11)
• Sensitizer/ Irritant: Yes (4)
• Birth/Developmental Yes (4)
• Detected in Groundwater: Yes (27)
• Potential Leacher: Yes (4)
• Toxic to Birds: Yes (40)
• Toxic to Fish/Aquatic Organisms: Yes (6)
• Toxic to Bees: Not documented

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)
  • Scorecard Mecoprop Factsheet (Environmental Defense Fund)