Pollution remediation obligations should be recognized if which of the following obligating events has occurred?

a. A violation of a pollution prevention permit has occurred.

b. The government is named or will be named as the responsible or potentially responsible party to a remediation.

c. The government is compelled to take remediation action due to imminent endangerment to the public health.

d. All of the given items are obligating events that would require recognition of a pollution remediation obligation.