25 Pa. Code § 289.211 – Waste analysis.

(a) The operator shall inspect each load in accordance with its approved plan under § 287.134 (relating to waste analysis plan) to ensure compliance with that section, § 289.201 (relating to basic limitations) and whichever of the following sections is applicable:
1. (1) Section 289.423 (relating to minimum requirements for acceptable waste).
2. (2) Section 289.523 (relating to minimum requirements for acceptable waste).
(b) The operator shall maintain analyses of the waste under § 287.134 onsite for a minimum of 5 years after the analyses are performed. These records shall be made available to any representative of the Department upon request.
(c) A person or municipality shall immediately notify the Department if analyses under § 287.134 indicate that there is a significant change in the quality of the waste.