Congrats to our team supporting U.S. Environmental Protection Agency’s Office of Research and Development for completing the processing and initial chemical analyses of 1000 lake water samples!  They received lake water samples from across the continental U.S. this past summer and have completed the initial chemical analyses as part of the U.S. EPA 2022 National Lake Assessment. The goal of this assessment is to provide national and regional estimates of the condition of the nation’s lakes as part of the EPA National Aquatic Resource Survey. 

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Woman pours works with chemical with a test kit

Supporting Guam’s Chemical Round Up

Senior chemist working on the CSS contract with the Environmental Protection Agency’s (EPA) Superfund Technical Assessment and Response Team (START) supported the Guam Lab Chemicals Round Up in March of 2024 and July of 2025. During both mobilizations, START supported EPA’s mission to collect chemical waste items from across the U.S. island territory of Guam for off-island transport and disposal. As a field chemist, CSS employee…

stream running through a wooded area

Developing a Stream Assessment Protocol 

CSS has been a significant contributor to the development and implementation of the Oregon Stream Function Assessment Method (SFAM) for more than 10 years. SFAM is a key component of the Oregon Stream Mitigation Program administered by the Oregon Department of State Lands.  The mitigation program is designed to address damage to aquatic resources caused…

Responding to HazMat Spills

CSS supports several Centers for Disease Control and Prevention (CDC) campuses throughout the U.S. On-site CSS personnel are trained in hazardous material spill response and clean-up and provide this support within buildings and throughout campuses. As part of our contract with the CDC Hazardous Waste Program, CSS hazmat-trained employee owners are responsible for safely collecting,…