A recent federal appeals court decision rejected a challenge to the Occupational Health and Safety Administration’s new rule for respirable crystalline silica (silica) exposure in the construction industry (the Silica Rule), keeping the rule largely intact. This new rule lowers the permissible exposure limit (PEL) for silica to fifty micrograms per cubic meter (50μ/m3) from the previous construction industry standard of 250 μ/m3. At the time OSHA began enforcing the Silica Rule on September 23, 2017, there still remained pending in federal court a challenge to the rule brought by multiple industry groups (Industry), mostly consisting of commercial construction trade associations representing general contractors, subcontractors, and suppliers.  Continue Reading ICYMI: Federal Appeals Court Upholds New OSHA Silica Rule