StacksVerified U.S. regulatory reference

40 CFR §265.200

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
In addition to performing the waste analysis required by § 265.13, the owner or operator must, whenever a tank system is to be used to treat chemically or to store a hazardous waste that is substantially different from waste previously treated or stored in that tank system; or treat chemically a hazardous waste with a substantially different process than any previously used in that tank system:
  1. (a)Conduct waste analyses and trial treatment or storage tests (e.g., bench-scale or pilot-plant scale tests); or
  2. (b)Obtain written, documented information on similar waste under similar operating conditions to show that the proposed treatment or storage will meet the requirements of § 265.194(a).