The following is the formula for adding Liquid Calcium Nitrate to Anhydrous Ammonia to prevent the manufacture of meth:

NH3 Meth Inhibitor

Requires 9.3# Nitrate / Ton of NH3 (Must Use Liquid Calcium Nitrate)

Requires 9 Gallons of Liquid Calcium Nitrate (CN-9) / Ton of NH3 (Liquid Calcium Nitrate Must be Injected Through the Liquid Withdrawal Valve to Avoid Increasing Tank Pressure Beyond Pressure Relief Valve Setting)

Meth Task Force Q & A’s

Meth Inhibitor FAQ’s

DEA Test Results on Meth Inhibitor

Metallurgy Testing on NH3 Tank Steel

DEA Report on Calcium Nitrate in Anhydrous Ammonia

Fertilizer Industry Meth Task Force Meets–11-2-2006

Ag Retailers Seeking Technical Assistance on how to Introduce the Inhibitor in NH3 Nurse Tanks Should Contact John Whipple at the Iowa Department of Agriculture and Land Stewardship. 515/281-8610 [email protected]