Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.11102

Sec. 11102.(1) “Contaminant” means any of the following:

(2) “Corrective action” means an action determined by the department to be necessary to protect the public health, safety, or welfare, or the environment, and includes, but is not limited to, investigation, evaluation, cleanup, removal, remediation, monitoring, containment, isolation, treatment, storage, management, temporary relocation of people, and provision of alternative water supplies, or any corrective action allowed under the solid waste disposal act or regulations promulgated pursuant to that act.

(3) “Designated facility” means a hazardous waste treatment, storage, or disposal facility that has received a permit or has interim status under the solid waste disposal act or has a permit from a state authorized under section 3006 of subtitle C of the solid waste disposal act, 42 USC 6926, and which, if located in this state, has an operating license issued under this part, has a legally binding agreement with the department that authorizes operation, or is subject to the requirements of section 11123(8). 1

(4) “Disposal” means the discharge, deposit, injection, dumping, spilling, leaking, or placing of a hazardous waste into or on land or water in a manner that the hazardous waste or a constituent of the hazardous waste may enter the environment, be emitted into the air, or be discharged into water, including groundwater.

(5) “Disposal facility” means a facility or a part of a facility where managed hazardous waste, as defined by rule, is intentionally placed into or on any land or water and at which hazardous waste will remain after closure.

(6) “Failure mode assessment” means an analysis of the potential major methods by which safe handling of hazardous wastes may fail at a treatment, storage, or disposal facility.