The standard applied by the Department in determining the amount of bond shall be the estimated cost to the Department if it had to complete the reclamation, restoration and abatement work required under the act, this chapter and the conditions of the permit. The bond rate shall be based on the maximum disturbed unrestored area which will exist at one time, and shall be in accordance with the bond schedule as published by the Department or the Secretary.
25 Pa. Code § 77.202
This section cited in 25 Pa. Code § 77.195 (relating to Department responsibilities); 25 Pa. Code § 77.201 (relating to scope); 25 Pa. Code § 77.226 (relating to phased deposits of collateral); and 25 Pa. Code § 77.456 (relating to reclamation information).