Evidence for change
GOSFORTH Precision AQ Gas Outage (CO)
16 July 2019 - 15 October 2019
16/07/2019 CO Gas low (600 psi), Replacment ordered
15/10/2019 11:00 - 14:30 CO Gas cylinder replaced - CO Certificate 161006SG, 21.0 ppm
Data during this period may be inaccurate.