Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.20120

(a) The effectiveness of alternatives in protecting the public health, safety, and welfare and the environment.

(b) The long-term uncertainties associated with the proposed remedial action.

(c) The persistence, toxicity, mobility, and propensity to bioaccumulate of the hazardous substances.

(d) The short- and long-term potential for adverse health effects from human exposure.

(e) Costs of remedial action, including long-term maintenance costs. However, the cost of a remedial action shall be a factor only in choosing among alternatives that adequately protect the public health, safety, and welfare and the environment, consistent with the requirements of section 20120a.  1

(f) Reliability of the alternatives.

(g) The potential for future response activity costs if an alternative fails.

(h) The potential threat to human health, safety, and welfare and the environment associated with excavation, transportation, and redisposal or containment.

(i) The ability to monitor remedial performance.

(j) For remedial actions that require the opportunity for public participation under section 20120d,  2 the public's perspective about the extent to which the proposed remedial action effectively addresses requirements of this part.