43 CFR 3175.116 - Composite sampling methods.

Regulations last checked for updates: Oct 19, 2024

Title 43 - Public Lands: Interior last revised: Sep 06, 2024

§ 3175.116 - Composite sampling methods.

(a) Composite samplers must be flow-proportional.

(b) Samples must be collected using a positive-displacement pump.

(c) Sample cylinders must be sized to ensure the cylinder capacity is not exceeded within the normal collection frequency.

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 3175.116