California's County Agricultural Commissioners serve as the primary enforcement agents for State pesticide laws and regulations. DPR periodically sends Enforcement Letters to the Commissioners that provide guidance and information. Enforcement Letters regarding the regulation of Metam Sodium and Methyl Isothiocyanate are listed below (only letters written in 2000 and after are available at this time).

2003

• ENF 2003-026 -- Metam-Sodium Applications, Summer 2003
  

2002

• ENF 2002-032 -- Metam-Sodium Applications, Summer 2002
  

2001

• ENF 2001-041 -- Dazomet and Potassium N-methyldithiocarbamate on Restricted Materials List (PDF, 31 kb)
  

2000

• ENF 2000-046 -- Emergency Regulation Designating Dazomet and Potassium N-methyldithiocarbamate Restricted Materials (PDF, 8 kb)
  
  
• ENF 2000-044 -- Permit Conditions for Applications of Metam-Sodium and Potassium N-methyldithiocarbamate (Metam-Potassium) Products (PDF, 68 kb)
  
  
• ENF 2000-010 -- Draft Suggested Permit Conditions for Metam-Sodium Applications