03/08/2022 At LSO , the O3 charcoal scrubber was found to be water-logged. Disabled the O3 zero timer. to avoid possibility of water getting into analyser.

15/08/2022 Swapped out O3 charcoal scrubber (with Four Lane Ends) and returned to base for drying out.

25/08/2022 The replacement O3 scrubber is also showing signs of becoming water logged.

30/08/2022 Discussions with the Acoem engineer indicate that this is more likely to be related to the issues with the Air Conditioning and humidity, and he recommended turning off the O3 analyser as moisture will affect the readings and possibly damage the O3 equipment also.