CSS employee owners supporting NASA recently completed an upgrade of a new cold plate for Solidification Using a Baffle in Sealed Ampoules (SUBSA) ground unit. The Cold Plate is a piece of ground support equipment (GSE) that helps control the temperature of the SUBSA furnace for ground testing, similar to the Cold Plate in the Microgravity Science Glovebox (MSG) onboard the International Space Station.

machine (SUBSA) with large holes in the front
SUBSA on the International Space Station
(Credit: NASA)
Diagram of a SUBSA pointing out all the parts including the cold plate at the bottom

Diagram of the SUBSA on the International Space Station. 

See More CSS Insights

View over Earth looking at the sun

55 Years of Earth Day!

Since April 22, 1970 — that’s 55 years! — we’ve celebrated Earth Day to raise environmental awareness and support for environmental protection. At CSS we have a passion for the environment and through various government contracts, we work with our clients to overcome challenges to help protect this rock we call home. Below are a…

Woman stands on a hill

Supporting Response Efforts Following California Fires 

Following the fires that devastated Los Angeles, California and surrounding areas in January 2025, CSS employee owners were deployed to the area as a subcontractor to Weston Solutions, Inc. to assist with the response. This effort supports U.S. Environmental Protection Agency (EPA) Region 9 Superfund Technical Assessment & Response Team (START) program.   Initially, a CSS…

Entrance to an abandoned mine in a hillside

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.…