1. 1910
  2. Interlinking
# Regulations
1 - 1910.134(d)(3)(i)(A) - Respiratory Protection.
# Standard Interpretations
1 - 1910.134(d)(3)(i)(A) - APF for the combination pressure-demand, full-facepiece SAR with auxiliary SCBA
2 - 1910.134(d)(3)(i)(A) - Protection factors for respirators used in pharmaceutical industry: policy change.