(a)
Ignitable or reactive waste must not be placed in a pile unless the waste and pile satisfy all applicable requirements of 40 CFR part 268, and:
(1)
Addition of the waste to an existing pile (i) results in the waste or mixture no longer meeting the definition of ignitable or reactive waste under § 261.21 or § 261.23 of this chapter, and (ii) complies with § 265.17(b); or
(2)
The waste is managed in such a way that it is protected from any material or conditions which may cause it to ignite or react.
Code of Federal Regulations
[45 FR 33232, May 19, 1980, as amended at 55 FR 22685, June 1, 1990]