The Pac 6000 with oxygen sensor has two extra alarm thresholds in addition to the usual alarm threshold setting. This offers an extra level of security as a pre-alarm, in addition to the principle alarm, may be set for both oxygen enriched and oxygen poor atmospheres. 360° alarm with...

There is a tremendous quantity of work being carried out on behalf of the pipeline steering committee, of which Howell is an enormous part. Much of that effort right now might be centered on upping the fatty acid methyl ester contamination spec in jet fuel from 5 components per...