Environmental and Health Hazards

Wood preservatives and pressure-treated lumber may contain toxic substances. Instructions must be read carefully. Pressure-treated lumber should never be burned. Gloves and protective clothing and disposal of excess material and debris according to regulations is mandatory. For folks in the Seattle area, the Seattle/King County Health Department can answer any specific questions.

The Household Hazards Information Line telephone number is (206) 296-4692. Similar services are provided by local agencies in many other parts of the country.