Table 5 Rating the likelihood and consequence of identified threats

Very unlikely

1

Minor (not detectable)

Fairly unlikely

2

Low (just detectable)

50/50 chance

3

Moderate (affects stress or safety or economics)

Fairly likely

4

High (affects health or well-being or sustainability)

Very likely

5

Very high (life threatening or non-sustainable or legally controlled or socially unacceptable)