This section does not apply to a consumer product or foodstuff that is: packaged for distribution to and intended for use by the general public; and handled unopened or stored unopened in a retail establishment, including its storeroom or warehouse. To comply with the requirements of 29 C.F.R. 1910.1200(e)(1)(i) for a list of hazardous chemicals, each employer shall compile and maintain a chemical information list for each hazardous chemical that is formulated, handled, manufactured, packaged, processed, reacted, repackaged, stored, or transferred in the workplace of the employer. Within 30 days after a hazardous chemical is introduced into the workplace of an employer, the employer shall add the hazardous chemical to the chemical information list. The employer need not place the hazardous chemical alphabetically on the chemical information list until the employer next revises the list as required under paragraph (3) of this subsection. Every 2 years, an employer shall revise the chemical information list. For each hazardous chemical on a chemical information list, the list shall: contain its chemical and common names; and identify each work area where the hazardous chemical is found. Each compilation of a chemical information list and each revision under subsection (b) of this section shall list the hazardous chemicals on the list in alphabetical order according to common name. Each employer shall keep, for at least 40 years, each chemical information list that the employer compiles or revises. If an employer’s business ceases to operate or formulate, handle, manufacture, package, process, react, repackage, store, or transfer hazardous chemicals in a workplace regulated under this subtitle, the employer promptly shall submit the most recent chemical information list to the Maryland Department of Labor. The Maryland Department of Labor shall keep, for at least 40 years, the chemical information list that the employer provides under subparagraph (i) of this paragraph.