Dangerous chemical reactions can result. Don't put partially full containers of household hazardous products in your garbage can or recycling bins. Don't put batteries, either household or auto, in your garbage can or recycling bins. Return to top Hazardous Waste Reduction Tips Buy only products you will use completely. If you have leftovers, try to give them to someone who can use them while they are still fresh enough to work.
Old products lose their effectiveness after two or three years.
A Guide to Hazardous Household Products and Effective Alternatives. Read the labels when buying products, and choose the product that is the safest for you and your environment. Be wary of products that fail to list ingredients.