{"data":{"id":"us/40-cfr-265.225","jurisdiction":"us","citation":"40 CFR 265.225","heading":"Waste analysis and trial tests.","body":"(a) In addition to the waste analyses required by § 265.13, whenever a surface impoundment is to be used to:\n(1) Chemically treat a hazardous waste which is substantially different from waste previously treated in that impoundment; or\n(2) Chemically treat hazardous waste with a substantially different process than any previously used in that impoundment; the owner or operator must, before treating the different waste or using the different process:\n(i) Conduct waste analyses and trial treatment tests (e.g., bench scale or pilot plant scale tests); or\n(ii) Obtain written, documented information on similar treatment of similar waste under similar operating conditions; to show that this treatment will comply with § 265.17(b).\n[Comment: As required by § 265.13, the waste analysis plan must include analyses needed to comply with §§ 265.229 and 265.230. As required by § 265.73, the owner or operator must place the results from each waste analysis and trial test, or the documented information, in the operating record of the facility.]\n(b) [Reserved]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 265—INTERIM STATUS STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES","Subpart K—Surface Impoundments"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"cfae4ecc2f42f2af34e5d8cd72f028b951340631d7a7eda3a3fc494663acef13","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-265.224","next":"us/40-cfr-265.226"},"notice":"GroundRules: Original legal text. Not legal advice."}