1Introduction
Precautions
5977C GC/MSD Operating Manual 27
7 Start up the GC and MSD as normal.
When using hydrogencheck the system for leaks to prevent possible fire and
explosion hazards based on local Environmental Health and Safety (EHS)
requirements. Always check for leaks after changing a tank or servicing the gas
lines. Ensure the foreline pump exhaust and GC injection port vents are both
vented into a fume hood.