{"data":{"id":"us/40-cfr-279.55","jurisdiction":"us","citation":"40 CFR 279.55","heading":"Analysis plan.","body":"Owners or operators of used oil processing and re-refining facilities must develop and follow a written analysis plan describing the procedures that will be used to comply with the analysis requirements of § 279.53 and, if applicable, § 279.72. The owner or operator must keep the plan at the facility.\n(a) Rebuttable presumption for used oil in § 279.53. At a minimum, the plan must specify the following:\n(1) Whether sample analyses or knowledge of the halogen content of the used oil will be used to make this determination.\n(2) If sample analyses are used to make this determination:\n(i) The sampling method used to obtain representative samples to be analyzed. A representative sample may be obtained using either:\n(A) One of the sampling methods in appendix I of part 261 of this chapter; or\n(B) A method shown to be equivalent under §§ 260.20 and 260.21 of this chapter;\n(ii) The frequency of sampling to be performed, and whether the analysis will be performed on-site or off-site; and\n(iii) The methods used to analyze used oil for the parameters specified in § 279.53; and\n(3) The type of information that will be used to determine the halogen content of the used oil.\n(b) On-specification used oil fuel in § 279.72. At a minimum, the plan must specify the following if § 279.72 is applicable:\n(1) Whether sample analyses or other information will be used to make this determination;\n(2) If sample analyses are used to make this determination:\n(i) The sampling method used to obtain representative samples to be analyzed. A representative sample may be obtained using either:\n(A) One of the sampling methods in appendix I of part 261 of this chapter; or\n(B) A method shown to be equivalent under §§ 260.20 and 260.21 of this chapter;\n(ii) Whether used oil will be sampled and analyzed prior to or after any processing/re-refining;\n(iii) The frequency of sampling to be performed, and whether the analysis will be performed on-site or off-site; and\n(iv) The methods used to analyze used oil for the parameters specified in § 279.72; and\n(3) The type of information that will be used to make the on-specification used oil fuel determination.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 279—STANDARDS FOR THE MANAGEMENT OF USED OIL","Subpart F—Standards for Used Oil Processors and Re-Refiners"],"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":"cdfc88f2017b332b0c05b2545c76e981cbb1562e60876bbf218134eb9f2ae1bf","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-279.54","next":"us/40-cfr-279.56"},"notice":"GroundRules: Original legal text. Not legal advice."}