Read the label. In many cases, a hazardous material will be indicated by a Caution, Warning, or Danger heading. Ignitable wastes can create fires under certain conditions. Examples are paints and certain degreasers and solvents. Corrosive wastes are those that corrode metals or have a very low pH. Examples are rust removers, acid or alkaline cleaning fluids, and battery acid.
Reactive wastes are unstable under normal conditions.
Examples are certain cyanides or sulfide-bearing wastes. Examples are wastes that contain high concentrations of heavy metals, such as cadmium, lead, or mercury. Dr., follow our white and teal signs. For a list of the materials accepted, look at our HHW page. Arizona Department of Water Resources has authority for well drilling in Pima County.