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 Committee Scope

The Subcommittee on Measurement Accountability (COMA) develops, approves, and maintains standards for Marine Measurement, MPMS, Chapter 17, as well as for measurement accountability and loss control of petroleum and petroleum products involving all modes of transportation.

For a complete listing of active COMA subordinate groups, click here. To access the sites themselves, you MUST be logged in.

 Forms & Reference Documents
 COPM Links


 Ballot IDStatusResultsOpensClosesDescription
Committee ID : 2941050COMA: Committee on Measurement Accountability
5263ClosedIn Progress08/31/202010/09/2020Ballot for API MPMS Chapter 17.10.1, 2nd ed. Modified adoption of ISO 10976-2015
5465ClosedResolution Required04/14/202106/04/2021API MPMS Ch. 17.6 Guidelines for Determining the Fullness of Pipelines between Vessels and Shore Tanks
5499ClosedResolution Required06/09/202107/09/2021Reaffirmation of API MPMS Chapter 17.3
5533ClosedResolution Required07/12/202108/20/2021API MPMS Ch. 17.1, 7th Ed. Guidelines for Marine Inspection
5576ClosedIn Progress09/01/202110/13/2021Reaffirmation of API MPMS Chapter 17.4 Method for Quantification of Small Volumes on Marine Vessels (OBQ/ROB)
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