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. 

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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…

large jar of crystalized substance

Training Staff for Handling Hazardous Waste and Responding to Chemical Spills

CSS employee owners provide on-site support to the Centers for Disease Control and Prevention (CDC) Hazardous Waste Program at several campuses around the country: Atlanta, Georgia, San Juan, Puerto Rico, and Fort Collins, Colorado. With 22 years of experience, CSS staff are responsible for providing training to laboratory and facilities staff to ensure safe handling of hazardous waste to avoid harmful…

U.S. Environmental Protection Agency logo with text: PALs Tabletop Discussion

Webinar Support for Emergency Chemical Release Response

Our staff assisted the EPA team in developing the webinar event, acted as moderator, and provided technical support.