scope:

General

This standard test method is designed to test the effect of long-term exposure of treated water on an approved coating system and other materials such as ballast piping and anodes located within a ballast tank. 

The standard is based on the existing PSPC/WBT and ISO(2) 2812-2,3 modified to incorporate the effects of BWTS. 

All of the results for the coatings tested with this standard are specific to that coating system or generic type; a positive result does not indicate that a BWTS is appropriate for all coating types.

A number of parameters within the IMO PSPC/WBT that require further clarification and reduction in tolerances have been taken into account in this standard. 

For uncoated materials, this standard is based on ASTM⁽³⁾ G31,⁴ ASTM B117,⁵ and UN-MTC(4) C.1-Part III, Section 37.6

⁽³⁾ ASTM International (ASTM), 100 Barr Harbor Dr., West Conshohocken, PA 19428-2959, U.S.A.

⁽⁴⁾ United Nations, 760 United Nations Plaza, New York City 10017, U.S.A.