(a) Except as otherwise provided by this section, a person may request in writing copies of the facility’s existing workplace chemical list for community right-to-know purposes.
(b) Except as otherwise provided by this section, any facility covered by this chapter shall furnish or mail, within 10 working days of the date of receipt of a request under Subsection (a), either a copy of the facility’s existing workplace chemical list or a modified version of the most recent tier two form using a 500-pound threshold.

(c) Any facility that has received five requests under Subsection (a) in a calendar month, four requests in a calendar month for two or more months in a row, or more than 10 requests in a year may elect to furnish the material to the commission.
(d) Any facility electing to furnish the material to the commission under Subsection (c) may during that same filing period inform persons making requests under Subsection (a) of the availability of the information at the commission and refer the request to the commission for that filing period. The notice to persons making requests shall state the address of the commission and shall be mailed within seven days of the date of receipt of the request, if by mail, and at the time of the request if in person.