StacksVerified U.S. regulatory reference

43 CFR §3173.6

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
When water is drained from a production storage tank, the operator, purchaser, or transporter, as appropriate, must document the following information:
  1. (a)Federal or Indian lease, unit PA, or CA number(s);
  2. (b)The tank location by land description;
  3. (c)The unique tank number and nominal capacity;
  4. (d)Date of the opening gauge;
  5. (e)Opening gauge (gauged manually or automatically), TOV, and free-water measurements, all to the nearest 1/2 inch;
  6. (f)Unique identifying number of each seal removed;
  7. (g)Closing gauge (gauged manually or automatically) and TOV measurement to the nearest 1/2 inch; and
  8. (h)Unique identifying number of each seal installed.