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Phosmet

General Information

• Chemical Class: Organophosphorus
• Uses: control fleas, lice, hornflies, sarcoptic mange, ticks
• Alternatives: Organic Agriculture, Fleas and ticks
• Beyond Pesticides rating: Toxic

Health Effects

• EPA Acute Toxicity Class: II (moderately toxic)
• Cancer: Suggestive (8)
• Endocrine Disruption: Not Documented
• Reproductive Effects: Not Documented
• Neurotoxicity: Yes (4)
• Kidney/ Liver Damage: Yes (8)
• Sensitizer/ Irritant: Not Documented
• Birth/ Developmental Defects: Not Documented

Environmental Effects

• Detected in Groundwater: Not documented
• Detected in Streams: Not documented
• Potential Leacher: Not documented
• Toxic to Birds: Yes (40)
• Toxic to Fish/ Aquatic Organisms: Not documented
• Toxic to Bees: Yes (8)
• Toxic to Mammals: Yes (8)
• Long-Range Transport: Not documented

Additional Information

• Regulatory Information:
  • EPA Reregistration Eligibility Decision (revised 03/2008)
• Supporting information:
• PAN Pesticides Database: Phosmet
• Extension Toxicology Network (EXTONET)