Regulations last checked for updates: Oct 19, 2024

Title 43 - Public Lands: Interior last revised: Sep 06, 2024
§ 3175.111 - General sampling requirements.

(a) Samples must be taken by one of the following methods:

(1) Spot sampling under §§ 3175.113 through 3175.115;

(2) Flow-proportional composite sampling under § 3175.116; or

(3) On-line gas chromatograph under § 3175.117.

(b) At all times during the sampling process, the minimum temperature of all gas sampling components must be the lesser of:

(1) The flowing temperature of the gas measured at the time of sampling; or

(2) 30 °F above the calculated hydrocarbon dew point of the gas.

authority: 25 U.S.C. 396d and 2107; 30 U.S.C. 189,306,359,and; and 43 U.S.C. 1732(b), 1733, and 1740
source: 81 FR 81421, Nov. 17, 2016, unless otherwise noted.
cite as: 43 CFR 3175.111