§3175.116. Composite sampling methods.
43 C.F.R. § 3175.116
Composite samplers must be flow-proportional.
Samples must be collected using a positive-displacement pump.
Sample cylinders must be sized to ensure the cylinder capacity is not exceeded within the normal collection frequency.
Notes, amendments, and revision history
Source
Source: 81 FR 81609, Nov. 17, 2016, unless otherwise noted.
Authority
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
Source: 81 FR 81421, Nov. 17, 2016, unless otherwise noted.