Oklahoma Unwanted Pesticide Disposal Program Background No Collections Until 2006. Oklahoma one of last 4 states to hold a program. The need was out there but no $$$to pay for it. This was a big concern for the Oklahoma Department of Agriculture,Food and Forestry (ODAFF)and OSU Extension (Counties and Pesticide Education). OSU PSEP OSU PSEP Oklahoma Unwanted Pesticide Disposal Program Background • No Collections Until 2006. • Oklahoma one of last 4 states to hold a program. • The need was out there but no $$$$ to pay for it. • This was a big concern for the Oklahoma Department of Agriculture, Food and Forestry (ODAFF) and OSU Extension (Counties and Pesticide Education)