Manual of Petroleum Measurement Standards Chapter 17Marine Measurement Section 3Guidelines for Identification of the Source of Free Waters Associated with Marine Petroleum Cargo Movements FIRST EDITION, APRIL 1992 REAFFIRMED, SEPTEMBER 2009Manual of Petroleum Measurement Standards Chapter 17Marine Measurement Section 3Guidelines for Identification of the Source of Free Waters Associated with Marine Petroleum Cargo Movements Measurement Coordination FIRST EDITION, APRIL 1992 REAFFIRMED, SEPTEMBER 2009