This BAA furthers NIOSH's statutory authority responsibilities for occupational mine safety and health research, including authority established under MINER Act of 2006 and in response to congressiona... This BAA furthers NIOSH's statutory authority responsibilities for occupational mine safety and health research, including authority established under MINER Act of 2006 and in response to congressional direction supporting research on 1. Deep mining of critical minerals and metals, and 2. Air polluntant exposure risk in FY26.