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12/17/2021 - Contracts and cooperative agreementsA contract to test and evaluate the survivability and reliability of pressure relief valves on refuge alternatives when subjected to explosive conditions.
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1/4/2021 - Non-peer reviewed journal articlesA description of NIOSH test methods used to evaluate refuge alternative relief valves for their ability to withstand overpressure generated during a survivable mine explosion.
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3/1/2018 - Peer reviewed journal articlesA study about testing relief valves in underground refuge alternatives. These spaces require an air source to supply breathable air to the occupants. A relief prevents unsafe pressures from building up inside the refuge.
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Content source: National Institute for Occupational Safety and Health, Mining Program