1. Regulations
  2. title 43
  3. chapter II
  4. part 3170
  5. subpart 3175
  6. § 3175.116

View all text of Subpart 3175 [§ 3175.10 - § 3175.150]

§ 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 1751; 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