D

Deficiency

5

Safety barriers, function and systems nonexistent or unknown.

4

Serious deficiencies in existing ones or does not comply with legislation; Needs several improvements.

3

Absence and/or some deficiencies in existing ones, respecting part of the law, presents some problems in situations of abnormal operation.

2

Sufficient ones but upgradeable, respecting the law, with very few requirements below the established

standards.

1

Sufficient and well established ones, respecting international standards, above the required by law.