Organophosphates and Carbamates

Definition and partial list of Carbamate and Organophosphate Pesticides.  Mandatory blood tests are required for persons handling Category I and II (Danger / Warning) organophosphates or carbamates for more than six (6) days within any thirty (30) day period.  Additional information regarding the laws and regulations and required blood work when using organophosphates and carbamates may be found in the  Pesticide Worker Safety Packet (PDF)

  • Information Packets

According to the Agency for Toxic Substances and Disease Registry (  Organophosphates are organic compounds that contain phosphorus, while carbamates are salts or esters of carbamic acid. In different ways, organophosphates and carbamates tend to cause the nervous system to stop working properly. Some are used in fertilizers or as pesticides, herbicides, fungicides, fire retardants, or nerve agents.

Common Pesticides & / or Active Ingredients (This is a PARTIAL list only and is NOT all inclusive)

  • Chlorfenvinphos
  • Diazinon
  • Dichlorvos
  • Ethion
  • Guthion (Azinphos-methyl)
  • Lannate (Methomyl)
  • Lorsban (Chlorpyrophos)
  • Malathion
  • Pencap (Methyl Parathion)
  • Sevin (Carbaryl)
  • Supracide (Methidathion)