1. (a) A petition for the exclusion of the reclaimed landfill area from the closure, post-closure and custodial care criteria described in Subpart 363-9 of this Part may be submitted for approval by the department. The footprint reduction petition must include the following:

   1. (1) details of the footprint reduction area in plan and cross-sectional views; and
   2. (2) an in-situ subbase soil sampling plan that describes the number of samples, the method of sampling, and the analytical parameters and methods, and an evaluation of the sampling and analysis results.

Footprint reduction areas must be cleaned by completely removing waste and contaminated subbase soil from below the reclaimed area. If landfill reclamation results in a reduction of the landfill footprint, the following requirements must be met.