There are facilities around the state that offer to help businesses and farmers dispose of hazardous wastes other than pesticides. This would include mixed crop pesticide rinsates and pit sludge. There is a charge to do this and it is strongly encouraged to discuss your needs with the location you plan to use. Going this route will require having a Minnesota Hazardous Waste Generators license which the facility can assist getting you one. Other requirements may involve using a container that the waste can be shipped in and arranging a time the waste can be brought to the facility. Below is a list of Household Hazardous Waste facilities that may be able to help. If the volume is too great, their storage capacity may determine if it can be accepted.