a building next to a lake

Since 1985 we’ve supported the National Institute of Environmental Health Sciences and have provided more than 1,600 quality assurance audit reports that the client has used to assess the quality of toxicology studies they sponsor.   

Over the last year our employee owners reviewed several studies involving per- and polyfluorinated substances (PFAS) compounds, or “forever chemicals”, that have been in the news. In addition, our team has reviewed several draft manuscripts that their researchers are preparing for publication in scientific journals.  This new assignment illustrates their confidence in our team to determine the accuracy and completeness of a toxicology research paper.

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Assessing Methylene Chloride Levels in Laboratories 

CSS employee owners supporting the University of Kentucky have started sampling campus laboratories with high use of methylene chloride to assess levels of employee exposure. This effort is in response to the Environmental Protection Agency (EPA) issuing methylene chloride regulations under Section 6(a) of the Toxic Substance Control Act in the Federal Register on May…

Organizing Teams to Monitor Coastal Contaminants

For nearly 40 years NOAA’s National Mussel Watch Program has been monitoring contaminants in coastal waters in over 400 sites around the U.S. by testing sediment and bivalves, such as oysters and mussels. A CSS employee owner organizes and coordinates the regional missions to collect and test samples. This includes developing a schedule and coordinating…

Bank of a river lined with oyster shells and tall grass

Organizing National Mussel Watch Program Sample Collection Missions

Established in 1986, NOAA’s National Mussel Watch Program has been systematically monitoring nearly 600 chemical contaminants (including legacy organic contaminants, trace metals, and contaminants of emerging concern) and biological indicators for the establishment of baseline contamination levels in coastal waters around the U.S., including the Great Lakes, Puerto Rico, and U.S. Virgin Islands. CSS employee…