20/06/20 Pump failure - NOx analyser data between this period is innaccurate and should be ignored.

17/07/20 10:00 Engineer callout : Pump replaced with external pump

For Engineer's reports, Urban Observatory github

https://github.com/urbanobservatory/deployments/blob/master/Precision%20Station%20Reports/CRADLEWELL/MB17072020_Newcastle%20Uni_Cradlewell_Callout_NOx%20pump.xlsx