1. a) Both of the following are true of addition of the waste to an existing pile:

   1. 1) The addition results in the waste or mixture no longer meeting the definition of ignitable or reactive waste under 35 Ill. Adm. Code 721.121 or 721.123; and
   2. 2) The addition complies with Section 725.117(b); or
2. b) The waste is managed in such a way that it is protected from any material or conditions that may cause it to ignite or react.

Ignitable or reactive waste must not be placed in a pile, unless the waste and pile meet all applicable requirements of 35 Ill. Adm. Code 728, and either of the following is true:

(Source: Amended at 29 Ill. Reg. 6389, effective April 22, 2005)