Connect with toXcel at the 2024 Specialty & Argo Chemicals America Event

Want to connect? Reach out to Lisa Davis directly on LinkedIn or via email ( to schedule a meeting during this year’s event.

toXcel's Engineering Team Presents at the 2023 VASITE Annual Meeting

Stephen Taylor and Gaby Cross presented on “Leveraging Technology to Find a More Efficient Way of Establishing Advisory Speeds for Curves” and Ginny O’Connor and Dr. Bryan Katz presented on “Safe Speeds, Speed Management, and the Role Big Data Can Play.” For copies of their presentations, please visit the 2023 VASITE Annual Meeting website.

California OEHHA Proposes Drastic Reduction in Allowable Exposures to Ethylene Oxide

On April 7, 2023, the California Office of Environmental Health Hazard Assessment (OEHHA) issued a Notice of Proposed Rulemaking reducing the No-Significant-Risk Level (NSRL) for ethylene oxide. This change represents one on the most drastic reductions in a Proposition 65 benchmark for any chemical addressed under California Proposition 65.  

toXcel Helps Stakeholders Address Potential PFAS Issues

toXcel is dedicated to providing scientific and regulatory assistance to our clients in maintaining compliance with state and federal regulations, including those aimed at limiting human and environmental exposures to PFAS.

EPA Budget for FY2023 Passed in the December Spending Legislation

The Pesticide Registration Improvement Act (PRIA 5) was included in the Consolidated Appropriations Act of 2023 passed by Congress as one of its final acts in 2022.  On December 29th, the President signed this spending bill into law, and with it, the continued funding of the US EPA and PRIA 5.

Founded in 1999, toXcel is committed to promoting and improving the safety, health, and well-being of people everywhere. We work with businesses, government agencies and communities to offer reliable scientific, analytic, technical, and regulatory services.

Headquartered in the Metropolitan Washington, DC region, with offices located across the U.S. and in the United Kingdom, toXcel brings worldwide expertise to challenging scientific issues in toxicology, environment, transportation, public health, and other domains.


I love working at toXcel for lots of reasons, like the passionate and intelligent people I get to work with. But the biggest reason is because we get to work on engaging and impactful projects. I’m never nervous to meet new people because I always have interesting things to say about the work I do, and the projects I talk about always connect to people on a personal level.

Pamela Kryschtal

toXcel gives me the opportunity to engage in impactful research, collaborate with a close-knit and supportive team, and have the freedom to follow my interests. It’s a blend of fulfillment and flexibility, which makes toXcel stand out.

Nicholas Kehoe

Working at toXcel provides many opportunities to work in a multitude of scientific and regulatory areas, each with their own challenges.  I get to work together with my colleagues to come up with solutions for our clients’ unique needs and have a bit of fun with the team in the process.

Jennifer Fulford