News & Events

Through Roux’s News & Events, we share relevant industry news, regulatory updates, upcoming webinars and conferences, articles published by our experts, corporate social responsibility events, monthly newsletters, project and market sector information, and much more. Browse through our latest posts below.

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Human Health Risk Assessment (HHRA) Services

November 08, 2022
Roux's team of toxicologists, industrial hygienists, and human health risk assessors have evaluated complex exposure, toxicity, and risk assessment in the context of product safety evaluations, occupational exposure, contaminated site investigation and cleanup, and in toxic tort litigation. Our human health risk assessors guide efficient cleanup of contaminated sites via creative technical approaches to exposure unit/land use assumptions, background contributions, historic fill, and statistical approaches under various regulatory regimes across the United States.

Roux also provides qualitative and quantitative industrial hygiene assessments for commercial and industrial clients in various industries to assist them with both complex and regulatory challenges. Our services include guiding clients through product regulatory testing and compliance and identifying additional potential product exposure hazards. Roux also has a team of experienced expert witnesses who have offered expert opinions on general causation (mechanistic toxicity data, animal bioassays, and epidemiological data), dose reconstruction, and association of exposure-specific health outcomes. Roux has been retained and testified in some of the country’s highest profile cases, as outlined below.
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How low can they go? USEPA Revisions to Health Advisories and Regional Screening Levels

June 16, 2022
There has been a flurry of recent USEPA activity advancing towards federal regulation of per and polyfluoroalkyl substances (PFAS): Yesterday, on June 15, 2022, the USEPA issued “interim updated” Lifetime Health Advisories (HAs) for perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid...
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PFAS MCLs: A Peek behind the Curtain?

December 16, 2021
Last month, the United States Environmental Protection Agency (USEPA) released for the Science Advisory Board’s technical peer review its proposed method for deriving maximum contaminant level goals (MCLGs) for perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA). While the USEPA...
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Roux Insurance Update: USEPA’s PFAS Strategic Roadmap

December 13, 2021
To help keep you up to date on current developments, Roux is providing this information to summarize topics pertinent to the insurance industry that you may find useful.  On October 18, 2021, the United States Environmental Protection Agency (USEPA) announced...
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The PFAS Action Bill of 2021 Passes House

September 15, 2021
The PFAS Action Act of 2021 passed in the House of Representatives last week by a count of 241-183. If passed in the Senate, the PFAS Action Act will be one of the most comprehensive pieces of legislation dealing with...
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New VERY Conservative California PFAS ESLs Released

June 16, 2020
California Releases Conservative Human and Environmental Screening Levels In 2019, the California State Water Board developed an investigation approach to evaluate the presence of two Per- and Polyfluoroalkyl substances (PFAS): Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoate (PFOA). Investigation orders were issued...
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