ASTM D1941-91(2013)

1.1This test method covers measurement of the volumetric flowrate of water and wastewater in open channels with the Parshall flume.

1.2This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.