(a) Unless directed to do otherwise by the department, a facility must assemble information about the site and the nature of the release, including information gained while confirming the release or completing the initial abatement measures in section 613-6.3 of this Subpart. This information must include:

1. (1) data on the nature and estimated quantity of release;
2. (2) data from available sources and/or site investigations concerning the following factors: surrounding populations, water quality, use and approximate locations of wells potentially affected by the release, subsurface soil conditions, locations of subsurface sewers, climatological conditions, and land use;
3. (3) results of the site check required under section 613-2.4(c)(2), 613-3.4(c)(2), or 613-4.4(c)(2) of this Part; and
4. (4) results of the free product investigations required under section 613-6.3(a)(6) of this Subpart, to be used by a facility to determine whether free product must be recovered under section 613-6.5 of this Subpart.