By Julian Hattem - 05/31/13 09:53 PM EDT
The Chamber's support adds to praise the measure has already received from other industry and environmental organizations, such as the American Chemistry Council and the Environmental Defense Fund.
Some green and health groups have been more skeptical, however.
On Thursday, the president and chief executive of the Breast Cancer Fund, Jeanne Rizzo, said in a statement that the bill "fails to protect people from toxic chemicals linked to disease and jeopardizes the ability of future generations to enjoy healthy lives."
The Natural Resources Defense Council and the Environmental Working Group have also expressed concern about the bill's current form.