{"data":{"id":"us/43-cfr-3173.3","jurisdiction":"us","citation":"43 CFR 3173.3","heading":"Oil measurement system components—seals.","body":"(a) Components used for quantity or quality determination of oil must be effectively sealed to indicate tampering, including, but not limited to, the following components of LACT meters (see § 3174.8(a)) and CMSs (see § 3174.9(e)):\n(1) Sample probe;\n(2) Sampler volume control;\n(3) All valves on lines entering or leaving the sample container, excluding the safety pop-off valve (if so equipped). Each valve must be sealed in the open or closed position, as appropriate;\n(4) Meter assembly, including the counter head and meter head;\n(5) Temperature averager;\n(6) LACT meters or CMS;\n(7) Back pressure valve pressure adjustment downstream of the meter;\n(8) Any drain valves in the system;\n(9) Manual-sampling valves (if so equipped);\n(10) Valves on diverter lines larger than 1 inch in nominal diameter;\n(11) Right-angle drive;\n(12) Totalizer; and\n(13) Prover connections.\n(b) Each missing or ineffectively sealed component is a separate violation.","path":["Title 43—Public Lands: Interior","Subtitle B—Regulations Relating to Public Lands","CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER C—MINERALS MANAGEMENT (3000)","PART 3170—ONSHORE OIL AND GAS PRODUCTION","Subpart 3173—Requirements for Site Security and Production Handling"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-43.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:15Z","sha256":"a4c8ce7bcc664f7812fe51595975defb43f611c20ea4b2dbafe4b3112ebf13ff","source_id":"us-cfr","stale":true,"prev":"us/43-cfr-3173.2","next":"us/43-cfr-3173.4"},"notice":"GroundRules: Original legal text. Not legal advice."}