Maryland Labor and Employment Section 5-406
§ 5-406.
  (a)   (1)   Within 15 days after an employer prepares or revises a chemical information list, the employer shall submit a copy of the list to the Department of the Environment.
    (2)   Within 5 working days after an employer receives a written request from the Department of the Environment for a copy of a material safety data sheet, the employer shall submit to the Department a copy of that sheet.
  (b)   The Department of the Environment shall:
    (1)   review, for completeness and sufficiency, each:
      (i)   chemical information list that an employer submits under subsection (a) of this section; and
      (ii)   material safety data sheet that the Department requests; and
    (2)   give the Commissioner notice of any noncompliance.
  (c)   The Department of the Environment shall provide access to information on a chemical information list only to:
    (1)   a person who provides fire, ambulance, or rescue service for the appropriate geographic area;
    (2)   a nurse, physician, or physician assistant who is treating an individual in a medical emergency;
    (3)   a former employee of an inactive employer;
    (4)   the Commissioner; and
    (5)   an independent contractor or employer as provided in § 5-408 of this subtitle.
  (d)   Except as provided in subsections (b) and (c) of this section and § 6-503 of the Environment Article, the Department of the Environment:
    (1)   shall treat as confidential information in a chemical information list; and
    (2)   may not disclose the information:
      (i)   in any civil proceeding; or
      (ii)   to any person.