And exposures for fat-soluble chlorinated hydrocarbons are cumulative they add up. They slowly concentrate in a child s body fat and intertwine with growth and development. Persistence increases childhood exposure Pesticides and their toxic breakdown products can last for months, both indoors and out. Pesticide and solvent vapors can haunt indoor air for weeks or even years. Pesticide residues can contaminate indoor surfaces, and can remain in carpets and dust for months or years, slowly re-entering the child s space.
Pesticides can also persist outdoors in soil for weeks or years.
Pesticides in some weed-killers commonly used at schools can last from 1 to 5 years in the soil. The answer phase out pesticides Pesticide dangers are documented and known. Taking a preventive approach to the health issues raised by pesticide use requires phasing out pesticide use in schools. Preventing harm to children by actively seeking cleaner, child-health friendly schools is a community obligation. Though notification programs and restricting pesticide use to off hours are helpful in reducing risk, pesticides will always have the potential to harm children s health.