American Society for Testing and Materials (ASTM). Current edition approved Jan. 1, 2005. Published February 2005. Originally approved in 2003. Last previous edition approved in 2003 as D 6990 – 03. 12 p. This practice establishes a practice for evaluating degree of biofouling settlement on and physical performance of marine coating systems when panels coated with such coating systems are subjected to immersion conditions in a marine environment. Guidance for preparation or exposure and handling of test specimens can be found in related ASTM standards as noted below.