Connecticut General Statutes Title 22A. Environmental Protection § 22a-452. Reimbursement for containment or removal costs. Liability for certain acts or omissions

(a) Any person, firm, corporation or municipality which contains or removes or otherwise mitigates the effects of oil or petroleum or chemical liquids or solid, liquid or gaseous products or hazardous wastes resulting from any discharge, spillage, uncontrolled loss, seepage or filtration of such substance or material or waste shall be entitled to reimbursement from any person, firm or corporation for the reasonable costs expended for such containment, removal, or mitigation, if such oil or petroleum or chemical liquids or solid, liquid or gaseous products or hazardous wastes pollution or contamination or other emergency resulted from the negligence or other actions of such person, firm or corporation. When such pollution or contamination or emergency results from the joint negligence or other actions of two or more persons, firms or corporations, each shall be liable to the others for a pro rata share of the costs of containing, and removing or otherwise mitigating the effects of the same and for all damage caused thereby.

(b) No person, firm or corporation which renders assistance or advice in mitigating or attempting to mitigate the effects of an actual or threatened discharge of oil or petroleum or chemical liquids or solid, liquid or gaseous products or hazardous materials, other than a discharge of oil as defined in section 22a-457b, to the surface waters of the state, or which assists in preventing, cleaning-up or disposing of any such discharge shall be held liable, notwithstanding any other provision of law, for civil damages as a result of any act or omission by him in rendering such assistance or advice, except acts or omissions amounting to gross negligence or wilful or wanton misconduct, unless he is compensated for such assistance or advice for more than actual expenses. For the purpose of this subsection, “discharge” means spillage, uncontrolled loss, seepage or filtration and “hazardous materials” means any material or substance designated as such by any state or federal law or regulation.

(c) The immunity provided in this section shall not apply to (1) any person, firm or corporation responsible for such discharge, or under a duty to mitigate the effects of such discharge, (2) any agency or instrumentality of such person, firm or corporation or (3) negligence in the operation of a motor vehicle.