This bid is closed — responses were due April 22, 2026.
It is no longer accepting submissions. We keep closed bids on BidsNexus for reference: agencies often re-issue the same need, and past bids show what they buy and when.
This is a solicitation from the Mine Safety and Health Administration (MSHA) for calibration gas. The gas will be used by Mine Safety and Health Enforcement (MSHE) to monitor the working environment of mines.
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