Testimony & Official Correspondence

Thursday, September 30, 2010

EWG opposes an EPA pesticide office plan for conditional registration of a nanoscale silver chemical known as HeiQ AGS-20 and used as an antimicrobial, pesticide and textile preservative. EWG asks the agency not to approve this chemical’s use in consumer products until its maker produces all the data EPA typically requires for regulation of antimicrobials and until an EPA evaluation of these data determines that the product is safe for people and the environment.

Monday, September 27, 2010

EWG comments to EPA’s National Center for Environmental Assessment question a case study’s failure to clearly present conclusions about the possible effects on people and the environment of nanoscale silver. EWG calls on the agency to conduct thorough health and safety evaluations of novel nanoscale materials prior to market entry.

Thursday, July 29, 2010


EWG President Ken Cook testifies to the House Subcommittee on Commerce, Trade and Consumer Protection about the major shortcomings in the Toxic Substances Control Act.

Friday, May 28, 2010


EWG asks the FDA’s National Center for Toxicological Research to complete its study of vitamin A ingredients, which according to agency tests speed the development of skin tumors and lesions on sun-exposed skin. EWG urges FDA to make a determination about the safety of these ingredients in cosmetics and sunscreens.

Key Issues: 
Monday, February 14, 2011


EWG comments that FDA’s assessment of triclosan in over-the-counter antimicrobial products should weigh evidence suggesting that antibacterial hand soaps and dish detergents are no more effective than plain soap yet present significant safety concerns for people and the environment.

Thursday, April 29, 2010

EWG’s letter warns of phosphorous pollution in the Chesapeake Bay.

Key Issues: 
Wednesday, February 3, 2010

EWG's Richard Wiles testifies to the Pennsylvania legislature on the dangers of BPA in children's products.

Thursday, November 5, 2009

EWG comments that the Agency for Toxic Substances and Disease Registry draft toxicological profile for perfluoroalkyl compounds lacks risk-based values despite abundant data that the chemical family is toxic to people.

Wednesday, October 28, 2009


Dusty Horwitt, EWG senior counsel, testifies on gas drilling and fracking before the New York City Council Committee on Environmental Protection Oct. 23, 2009.

Tuesday, October 27, 2009

Dusty Horwitt, EWG senior counsel, testifies before the New York City Council Committee on Environmental Protection about potential hazards of fracking in New York state.