"Scientists have documented for the first time that several phthalates -- controversial chemicals used to make vinyl and fragrances -- are declining in people while several others are rising. The study, published today, is the first comprehensive, nationwide attempt to document trends in exposure to these widely used chemicals over the past decade."
"The researchers said the results suggest that manufacturers may be reformulating products in the wake of a federal regulation and environmental groups’ campaigns.
Three compounds banned in U.S. toys and other children's products in 2008 have declined. But since other phthalates are increasing, it's possible that industries have substituted them in some products."