10/17/2018: U.S. Ballast Water Management Requirements: Operational limitations in type approval testing

This post provides information on a letter recently sent to the Coast Guard accepted independent laboratories providing guidance for evaluating manufacturer-identified operational limitations during type approval testing of ballast water management systems. The letter clarifies the responsibilities of the BWMS manufacturer, the Coast Guard accepted IL, and the Coast Guard, with regard to evaluating and assessing operational limitations of BWMS.


12/14/2015: Coast Guard decision on use of Most Probable Number method

Today, the Coast Guard informed four ultraviolet ballast water management system manufacturers that the Most Probable Number method is not considered as an equivalent alternative to the testing method prescribed in the Coast Guard’s regulations pertaining to the type-approval of ballast water systems.


12/9/2015: Ballast water type approval challenges for industry

Read the final post in our ballast water series providing you with an overview of industry challenges surrounding testing and type-approval of alternative components, system scaling, new system configurations and determining viability of organisms in ballast water.


12/8/2015: Ballast water type approval process

Read the fifth post in our ballast water series providing you with an overview of the two pathways for manufacturers and independent laboratories to obtain type-approval.


12/7/2015: Ballast water – Living vs. viable

Read the fourth post in our ballast water series that discusses the living vs. viable criteria in the standard.


12/4/2015: Ballast water – U.S. Regulations compared to International Convention

Read the third post in our ballast water series that compares the U.S. regulations with the IMO Ballast Water Management Convention.


12/3/2015: Shedding some light on 2012 ballast water regulations

Read the second post in our ballast water series that touches on the 2012 regulation that created a ballast water discharge standard and compliance methods.


12/2/2015: Ballast water series from the Coast Guard’s Assistant Commandant for Prevention Policy

Read the first post in our ballast water series that touches on the 2012 regulation that created a ballast water discharge standard and compliance methods.