Contact your county office for dates of household hazardous waste collection events. There are also private companies that accept and process household hazardous waste. See the Resources section for a list of these vendors. [Link to resources section.] Household hazardous waste includes, but is not limited to: herbicides/pesticides, gasoline, flammable liquids, mercury/thermostats, anti-freeze, oil-based paint, aerosols, fluorescent bulbs, and other items dangerous to public and environmental health.