Person writing in a chart on a clipboard.

Great job to our team supporting our contract with the U.S. General Services Administration on assisting the client with conducting a year’s worth of environmental, health, and safety surveys in just six months! Due to limitations with COVID-19, the team was unable to conduct their surveys on their usual timeline and instead had to work on a more condensed schedule. This effort assisted the U.S. General Services Administration Region 4 in being the first of their regions to reach 100 percent completion.

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Bare Earth with sparse grass

Remediating Soil Surrounding Abandoned Mines 

CSS employees have been providing field, lab, and horticultural support for the Environmental Protection Agency’s efforts to develop and test methods for the remediation and revegetation of contaminated soils around selected abandoned mines in the western United States. One of the promising approaches is to incorporate biochar into the soil. Using biochar helps effectively adsorb trace metals and reduce their…

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…

Aerial view of a burned facility surrounded by a woods

Responding to Tangipahoa River Contamination 

Following a fire at Smitty’s Supply facility in Louisiana’s Tangipahoa Parish on August 24, 2025, CSS employee owners supporting the Environmental Protection Agency’s Scientific Technical and Assessment for Consequence Management (STACM) contract deployed to the scene on August 31 to assist with response efforts. Initially staff worked on logistics at the staging warehouse. After a…