Person in charge for CERCLA release reporting

How does one determine who is the person in charge?

Determining who is the person in charge depends on a number of variables, including the specific operation involved, the management structure, and other case-specific considerations. EPA believes that it is unnecessary and impractical for the government to determine the person in charge at all entities affected by CERCLA. The management of the affected organizations should designate the specific individual(s) or position(s) responsible for reporting releases.