Tag Archives: hazard

EDF comments at EPA's public stakeholder meeting on its IRIS Program

Richard Denison, Ph.D., is a Senior Scientist.

I provide in this post the comments I delivered as a panelist at the Environmental Protection Agency's (EPA's) November 13, 2012 Public Stakeholder Meeting on its Integrated Risk Information System (IRIS) program.  EPA describes IRIS as "a human health assessment program that evaluates information on health effects that may result from exposure to environmental contaminants."

 

The theme of my comments today is the critical need to restore balance to the IRIS program.  In my view, the program’s structure and practice have over time tilted badly toward allowing one set of interests and desirable attributes of chemical assessments to wholly dominate over another, equally critical set.  Let me explain.  Read More »

Posted in Health Policy, Health Science | Also tagged , , , , | Comments closed

EDF launches website on EPA’s emerging chemical testing programs

Jennifer McPartland, Ph.D., is a Health Scientist.

New approaches for evaluating chemical hazard and risk are needed to help address substantial data gaps that exist for the thousands of chemicals currently in the marketplace as well as those yet to be introduced.   EPA has been investing significant resources to create research programs dedicated to advancing new types of chemical testing and assessment approaches.  But what exactly are these approaches?  How might they improve the practice of risk assessment?  Are they appropriate for decision-making, and if so, what kinds of decision making?  What role does the public interest community have to play? 

To explore these and other important issues, EDF’s Health Program has launched a website, “Chemical Testing in the 21st Century,” that provides an  introduction to these new approaches and the programs the EPA has built around them—including their potential uses, benefits and limitations.  The website includes the following informational resources: 

  1. Chemical Testing in the 21st Century: A Primer – An introduction to EPA’s Computational Toxicology (CompTox) research initiative and its component programs, such as ToxCast; a discussion of the opportunities and challenges of these new testing programs; and a discussion of issues and needs for greater engagement by the public interest community.  
  2. Chemical Testing in the 21st Century: Webinar Series – Linked audio and video recordings of each of EDF’s three webinars (held in October) featuring EDF and EPA scientists exploring the basics of EPA’s new testing programs and the promises and challenges they present. 

We will soon be adding a page with descriptions of and links to additional resources.

Posted in Health Science | Also tagged , , , , , | Comments closed

ChAMP "superseded": EPA shifts into action mode

Richard Denison, Ph.D., is a Senior Scientist.

A new entry showed up sometime in the last day on EPA's webpage for its ChAMP initiative.  It reads:  "The Chemical Assessment and Management Program (ChAMP) has been superseded by the comprehensive approach to enhancing the Agency’s current chemicals management program announced by Administrator Lisa Jackson on September 29, 2009."

Don't miss this bit at the top of the page:cobweb

Yes, that image is a cobweb, which EPA uses to designate archived web content.  What's happening here? Read More »

Posted in Health Policy, TSCA | Also tagged , , , , , , , , , | Comments closed

Greening ChAMP

Cal Baier-AndersonCal Baier-Anderson, Ph.D., is a Health Scientist.

In our critique of EPA's Chemical Assessment and Management Program (ChAMP), we have pointed out that, despite its limitations, there is value in the hazard data that EPA is collecting and analyzing.  How so? Read More »

Posted in Health Policy | Also tagged , , , | Comments closed

A. Length, B. Metals, C. Oxygen, D. Surface, or E. All of the Above?

John BalbusCal Baier-Anderson, Ph.D., is a Health Scientist.

The manufacture of carbon nanotubes (CNTs) is a very complicated business.  Different production processes leave behind different kinds of metal catalysts, which yield differences in physical and chemical – as well as toxicological – properties of the CNTs.  Read More »

Posted in Health Science, Nanotechnology | Also tagged | Comments closed
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