SSPC 169 thanks the commenters on the first full public review of Addendum b. This addendum serves as a complete revision of the current published standard. After review of the comments and further committee work the following independent substantive changes (ISC) are offered for public review. Only the underlined and strikethrough areas of the following document are open for comments. Some of the significant changes in this ISC include: -Simplification of Climate Zone Definitions in Sections A3 and A4. -Correction of Climate Zones for locations in Washington and Wisconsin in Table A-4. -Updated climate zone map in Figure B-1and updated climate zones