Water Safety Plan Workbook: WSP Training of Trainer, Singapore PUB, December 2007
A.4 Exercise Form 4: Hazard analysis Process step: Hazardous event
Hazard
Control measure
Severity
Likelihood
Risk
(cause of contamination)
(contaminant of concern)
(to prevent contamination or remove it)
(1 to 5) (consequence if event occurs)
(1 to 5) (how often the consequence could arise)
(1 to 25)
39