Richard Denison, Ph.D., is a Senior Scientist.
I hate to say it, but Friends of the Earth, Consumers Union, and the International Center for Technology Assessment (ICTA) have done a disservice to good science and policy with their new superficial report Manufactured Nanomaterials and Sunscreens: Top Reasons for Precaution. Read More
Richard Denison, Ph.D., is a Senior Scientist.
Today, the American Chemistry Council (ACC) unveiled its “10 Principles for Modernizing TSCA.” Also today, the Safer Chemicals, Healthy Families coalition – of which EDF is a member – issued a news release and unveiled its 9-point “Platform for Reform of TSCA.” How do they line up? Read More
Richard Denison, Ph.D., is a Senior Scientist.
Some time back, I promised a look at whether Canada’s Chemical Management Plan provides a model for TSCA reform. This post will provide that look. Bottom line: While our neighbor to the north has undertaken and accomplished a great deal over the past decade, it has done so with one hand tied behind its back. Read More
Richard Denison, Ph.D., is a Senior Scientist.
In earlier posts (here and here), I discussed a notice EPA had received in July of 2008 from BASF reporting toxic effects at very low doses of a carbon nanotube (CNT) observed in a 90-day rat inhalation study. In that notice, BASF had declared the specific identity of its CNT to be confidential business information, hence denying that information to the public. Now, in a setting more to its liking, it appears the company has decided to reveal the identity after all. Read More
Richard Denison, Ph.D., is a Senior Scientist.
It probably goes without saying that EDF welcomes EPA’s decision to suspend the development and posting of risk-based prioritizations under its Chemical Assessment and Mangement Program (ChAMP). EDF has been arguing (see our earlier posts) that ChAMP’s “rush to risk” has taken EPA badly off-track. But we have also identified many useful things that EPA’s existing chemicals program can and should be doing with the data it obtained through the HPV Challenge (whether called ChAMP or not) .
We look forward to working with EPA to craft a new approach, grounded in a return to developing scientifically defensible hazard, not risk, characterizations and transparently identifying and addressing data gaps and data quality problems.
Cal Baier-Anderson, Ph.D., is a Health Scientist and Richard Denison, Ph.D., is a Senior Scientist.
Many of the screening-level hazard data being collected and analyzed under ChAMP that pertain to human health are derived from traditional laboratory animal studies. The National Academy of Sciences (NAS) recently offered a “new paradigm for toxicity testing” in its 2008 report Toxicity Testing in the 21st Century: a Vision and a Strategy. Can ChAMP hazard data be used to facilitate the development of new testing strategies? Read More
