- Success Stories
- Safety, Health, & Environmental Compliance
Safety Support To First Responders
First responders put their lives on the line to help others, and our team helps safeguard their protection.
Our team on contract with the National Institutes of Health (NIH) Respiratory Protection Program works with staff to test respirators and establish secure fits. Similarly, they provide these fit tests for fire department personnel on a regular basis to ensure optimum safety.
In addition, during the COVID-19 pandemic, our team provided critical support to NIH healthcare personnel by performing fit tests of their N-95 masks. When fitted correctly, N-95 masks offer the highest level of protection because of their snug fit and ability to filter out large and small particles.


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Over 2000 River and Stream Samples Analyzed
Every five years teams supporting U.S. Environmental Protection Agency’s National Aquatic Resource Survey—consisting of tribal, state, and federal partners—collect samples from over 2000 river and stream reaches throughout the United States. CSS analytical chemists support this effort by processing the samples and then analyzing them for various chemicals to help characterize their water quality. The…

Assessing Contamination in Abandoned Mines
CSS supports the Environmental Protection Agency with assessing contamination within abandoned mines. There are thousands of abandoned mines throughout the western United States. Many of these mines are leaching heavy metals into nearby streams or have contaminated soils causing vegetation die off. CSS employee owners conduct field work to assess the extent of this contamination.…
CSS Awarded Five Year Subcontract Supporting the Bureau of Engraving and Printing
For over 22 years, CSS has supported the Bureau of Engraving and Printing (BEP). Originally as a prime contractor, CSS began supporting BEP in 2002. In November 2024, a new prime contractor, Koniag, signed CSS as a major subcontractor, which enabled CSS employee owners to continue providing comprehensive environmental, occupational safety and industrial hygiene support…