Automatic H2S alarm in the Waste Water purification

Incident
Occurence
Automatic H2S alarm in the Waste Water purification
Date
March 30, 2021 - 14:30
Location
Waste Water purification
Category
V4 - deployment emergency plan
Result
Deployment of company emergency plan and turnout by municipal fire brigade with sirens and flashing lights at the location.
Effect
Possible noise nuisance due to arrival of the fire brigade.
Complaints
None.
Action
Fire brigade has carried out measurements, source has not been found. No repressive action appeared to be necessary.