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Bec Roldan

Reporter · US

Indexed articles, last 90 days
5
Latest publication
Sep 4, 2026
Outlet visibility, for Chemical & Engineering News
Top 500K sites
Earliest in this view
Jul 7, 2026

Latest articles

  1. Article · Sep 4, 2026 · Bec Roldan, special to C&EN

    EPA adopts new chemical assessment methods to reduce animal testing (opens the original)

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    EPA adopts new chemical assessment methods to reduce animal testing The methods predict the lung irritant risk of surfactants and oral toxicity of some pesticides but shouldn’t completely replace animal models, one scientist warns A version of this story appeared in Volume 104, Issue 10 The latest chemistry news, including important research advances, business and policy trends, chemical safety practices, career guidance, and more. The US Environmental Protection Agency has adopted two nonanimal

  2. Article · Jul 20, 2026 · Bec Roldan, special to C&EN

    EPA omits microplastics from water-monitoring rule, drawing concerns (opens the original)

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    EPA omits microplastics from water-monitoring rule, drawing concerns The agency’s proposed rule calls for the monitoring of ultrashort PFAS, pesticides, and volatile organic compounds in US drinking-water systems A version of this story appeared in Volume 104, Issue 8 The latest chemistry news, including important research advances, business and policy trends, chemical safety practices, career guidance, and more. The US Environmental Protection Agency will soon collect data on 30 unregulated che

  3. Article · Jul 17, 2026 · Bec Roldan, special to C&EN

    Senators press CDC nominee on cyclosporiasis outbreak, vaccine policy (opens the original)

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    Senators press CDC nominee on cyclosporiasis outbreak, vaccine policy Sen. Patty Murray asks Erica Schwartz about her potential actions on the infection amid charges that agency cuts have impacted its response The latest chemistry news, including important research advances, business and policy trends, chemical safety practices, career guidance, and more. Erica Schwartz, President Donald J. Trump’s nominee to be the director of the Centers for Disease Control and Prevention, faced questions on W

  4. Article · Jul 13, 2026 · Bec Roldan, special to C&EN

    New York sues chemical manufacturers over PFAS in consumer goods (opens the original)

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    New York sues chemical manufacturers over PFAS in consumer goods The state alleges that 3M, DuPont, Corteva, Chemours, and EIDP misled the public about the human-health and environmental risks from PFAS The latest chemistry news, including important research advances, business and policy trends, chemical safety practices, career guidance, and more. New York attorney general Letitia James sued chemical manufacturers (PDF) 3M, DuPont, Corteva, Chemours, and EIDP in state court on July 9 for their

  5. Article · Jul 7, 2026 · Bec Roldan, special to C&EN

    EPA moves to cut risks from PFAS in fertilizer, pans Biden-era analysis (opens the original)

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    EPA moves to cut risks from PFAS in fertilizer, pans Biden-era analysis Critics say the agency’s draft guidance minimizes the risks from PFOA and PFOS in biosolids used as fertilizer and places too great a burden on the public The latest chemistry news, including important research advances, business and policy trends, chemical safety practices, career guidance, and more. The US Environmental Protection Agency on Wednesday announced it is releasing draft guidance (PDF) for wastewater treatment p

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