What safety practices should be observed near an active regulator vent?

What safety practices should be observed near an active regulator vent?

• A. Maintain safe clearance with ventilation, avoid ignition sources, wear PPE, follow permit-to-work procedures, and monitor for changes.
• B. Turn off ventilation immediately
• C. Stand directly over the vent to observe
• D. Ignore venting and continue work

Answer: (A)