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Updates from the Daily News Blog

Pesticides Not Only Linked to Parkinson’s Disease Development, But Accelerating Disease Symptoms
January 12, 2023

FDA Tests Mott’s Plant after Groups Discover High Arsenic Levels in Juice
August 2, 2011

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Monosodium methanearsonate (MSMA)

General Information

• Product Names:

  Drexar 530 (Drexel)
  Diumate (Drexel) formulated with Diuron
  Target (Luxembourg-Pamol)
  Quadmec Turf (PBI/Gordon) formulated with Dicamba, 2,4-D, and Mecoprop

• Chemical Class: Arsenical herbicide
• Uses:  historically used in cotton production.
• Alternatives: Organic agriculture
• Beyond Pesticides rating: Toxic

Health and Environmental Effects

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

Additional Information

• Regulatory Status:
  • EPA Reregistration Eligibility Decision (RED) signed (8/2006) (all uses cancelled)
• Supporting information:
  • PAN Pesticides Database:MSMA (Pesticide Action Network)
• Studies [compiled from the Pesticide-Induced Diseases Database]
  • Proximity to residential and workplace pesticides application and the risk of progression of Parkinson's diseases in Central California. Li, S. et al. (2022) Proximity to residential and workplace pesticides application and the risk of progression of parkinson’s diseases in Central California, Science of The Total Environment. Available at: https://www.sciencedirect.com/science/article/pii/S0048969722079542.