The proposed revision will add exposure and normalization criteria specific to concrete aggregate under section 5 and will add concrete aggregate to the material-specific analyses requirements under Table 3.1 of NSF/ANSI 61.
Revision 2 also includes the following:
-clarification that concrete aggregate testing is optional;
-the establishment of surface area to volume ratio for concrete; and
-the addition of criteria identifying when the testing of concrete isn’t required under NSF/ANSI 61. |