EDF Health

Selected tag(s): vulnerable populations

NGOs call on EPA to revise the draft scopes for its upcoming risk evaluations to comply with TSCA and its own regulations

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

Environmental Defense Fund, Earthjustice, Natural Resources Defense Council, and Safer Chemicals Healthy Families yesterday told the Environmental Protection Agency (EPA) that the 20 draft scope documents the agency released for public comment on April 9 and April 23, 2020, fail to meet TSCA and EPA regulatory requirements.  The groups called on EPA to revise the drafts to include the information that both TSCA and EPA’s Risk Evaluation Rule require be included, and then make the revised draft scopes available for public comment.  Read More »

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The Trump EPA is setting back chemicals policies by decades

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


Tacoma, WA 1972

As we approach the third anniversary of the historic passage of bipartisan legislation to overhaul our nation’s broken chemical safety system, we’re hearing that political appointees at the agency are gearing up to celebrate their “successes” in implementing the law.

Even more disturbing than its individual actions are the methodical steps the Trump EPA is taking to dismantle decades of progress in our country’s chemicals policies.

While the chemical industry may well have things to celebrate, it’s simply not the case for the rest of us:  Comments from former top EPA officialsmembers of Congressstate and local governments, labor groupsfirefighterswater utilitiespublic health groups, and a broad range of environmental groups make crystal clear that there’s nothing warranting celebration.  EPA’s actions are threatening the health of American families.

But as I reflect on how implementation of the Toxic Substances Control Act (TSCA) has gone off the rails under the Trump EPA, even more disturbing than its individual actions are the methodical steps it is taking to dismantle decades of progress in our country’s chemicals policies.  In this post, I’ll briefly highlight five such policies and how this EPA is undermining them:

  • Pollution prevention
  • Inherent safety and hazard reduction
  • Protection of vulnerable subpopulations and environmental justice
  • Holistic, real-world risk assessment
  • Public right to know

Read More »

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Variety is the spice of … accurate chemical testing

Rachel Shaffer is a research assistant.  Jennifer McPartland, Ph.D., is a Health Scientist.

There has been a lot of buzz in recent years about the federal government’s new chemical testing initiatives, ToxCast and Tox21 (see, for example, these articles in Scientific American and the New York Times).  These programs are developing high-throughput (HT) in-vitro testing to evaluate—and ultimately predict—the biological effects of chemicals.  In contrast to the relatively slow pace of traditional animal testing, ToxCast and Tox21 use sophisticated robots to rapidly test thousands of chemicals at a time. As a result, they hold the potential to more efficiently fill enormous gaps in available health data, predict adverse effects, and shed light on exactly how chemicals interact and interfere with our biology. (For more on these potential benefits, see Section 5 of EDF’s Chemical Testing Primer).

Yet, among the key challenges that these new methods must address is one that traditional, animal-based methods have faced for decades: how can laboratory testing adequately account for the high degree of variability in the human population? The latest research suggests the exciting possibility that genetic diversity, at least, may be able to be incorporated into emerging HT in vitro approaches.   Read More »

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