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Chromated Copper Arsenate(CCA) Dangers-Treated Wood Used in Playground Equipment May Cause Cancer
The playground equiptment dangers include children can be exposed to the arsenic in CCA treated wood by playing on playgrounds made from this wood.
CPSC staff believes that hand-to-mouth behavior is the primary source of exposure to arsenic from CCA-treated wood playsets.
In June 2001, the U.S. Consumer Product Safety Commission (CPSC) docketed a petition by the Environmental Working Group (EWG) and the Healthy Building Network (HBN) to enact a ban of CCA or chromated copper arsenate-treated wood for use in playground equipment.
A child’s exposure to arsenic from CCA-treated playsets and the consequent risk of developing cancer depends upon a number of factors, including:
- The number of days they play on the CCA-treated playset each year.
- The number of years they play on the CCA-treated playset.
- The amount of arsenic that is picked up on their hands while they play.
- The amount of arsenic they ingest from their hands throughout the day.
Studies have demonstrated an increased incidence of lung and bladder tumors in that population from drinking water containing arsenic.
From these epidemiological studies, staff can calculate the increased risk of lung or bladder cancers resulting from exposure to a given level of arsenic.
The data from these studies were used to calculate the probability of a person developing lung or bladder cancer over his/her lifetime from exposure to arsenic in CCA-treated wood.
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