Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism certificate from the GSTC. Household hazardous waste ...

Hazardous waste is waste that poses substantial or potential threats to public health or the environment and generally exhibits one or more of the these characteristics: ignitability, corrosivity, ...

The following chemicals can be disposed of in the sanitary sewers (drains) as long as the treatment does not precede disposal. Treatment is defined as using a material to neutralize hazardous waste.