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43 C.F.R. § 3175.116 – Composite sampling methods. | Midpage
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Subchapter C
Part 3170
Subpart 3175
§ 3175.116
43 C.F.R. § 3175.116
Composite sampling methods.
Effective Jan 18, 2017
(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.