What is arsenic?

  • Arsenic is a toxic element. It occurs naturally in rocks and soils, and can occur in groundwater.                                                                                                                                         
  • The main toxic form of arsenic is inorganic arsenic. Water arsenic compounds are inorganic and toxic.                                                                                                                           
  • There are also organic forms of arsenic in seafood. Seafood arsenic compounds are not toxic.