Michigan Compiled Laws, Chapter 333. Health § 333.13810

(a) Package, contain, and locate medical waste in a manner that protects and prevents the medical waste from release at the producing facility or at any time before ultimate disposal.

(b) Separate and dispose of sharps in the manner described in section 13811(d). 1

(c) Label the containers required under subdivision (a) with a biohazard symbol or the words “medical waste” or “pathological waste” in letters not less than 1 inch high.

(d) Except as provided under subdivision (e), not store medical waste on the premises of the producing facility for more than 90 days.

(e) Store sharps contained in a sharps container on the premises of the producing facility until the sharps container is filled to no more than 3/4 capacity but for no more than 18 months from the date the first sharps is deposited into the container.