260.545. Any person who provides assistance, including equipment or materials, at the request of the department or a political subdivision or volunteer fire protection district or by previous agreement with the department or political subdivision or volunteer fire protection district in the event of a release of a hazardous substance shall not be held liable in any civil action for damages as a result of that person's acts or omissions in rendering such assistance. Nothing in this section shall relieve any person from civil damages in the following circumstances:
(1) Where the release referred to is the result of the person's having control of a spilled hazardous substance;
(2) Where the person rendered assistance for payment beyond reimbursement for out-of-pocket expenses or with the expectation of such payment; or
(3) For acts or omissions which result from intentional wrongdoing or gross negligence.
(L. 1983 H.B. 528, A.L. 1988 S.B. 535, A.L. 1990 H.B. 1395 & 1448)
Missouri General Assembly