(a) The regional board shall take all of the following actions when reviewing or approving a cleanup proposal from a primary or active responsible discharger with respect to a site issued a cleanup and abatement order pursuant to Section 13304:

1. (1) Provide to all of the following, notification, in a factsheet format or another appropriate format, in English and any other languages commonly spoken in the area, as appropriate, of the proposed decision to approve the cleanup proposal for the site, including a contact list of appropriate regional board staff:

   1. (A) An affected or potentially affected property owner, resident, or occupant in the area of the site.
   2. (B) An appropriate governmental entity, including a local governmental entity with jurisdiction over the site.
2. (2) Provide timely access to written material, including reports and plans, addenda, and other supporting documentation, including materials listed as references, at the regional board’s office and at a local repository in the area of the site, and, to the maximum extent possible, by posting on the Internet and acting in accordance with subdivision (a) of Section 13196.
3. (3) Provide no less than 30 days for an interested person to review and comment on the cleanup proposal regarding the site. The regional board shall consider any comments received before taking final action on a cleanup proposal regarding the site.

4. (4) Conduct a public meeting in the area of the site during the public comment period pursuant to paragraph (3), if any of the following conditions applies:

   1. (A) A public meeting is requested by an affected or potentially affected property owner, resident, or occupant, in the area of the site.
   2. (B) The level of expressed public interest warrants the conduct of a public meeting.
   3. (C) A public meeting is specifically mandated by statute.
   4. (D) The regional board determines that the existing site contamination poses a significant public health threat.