irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 table A-6 irs.gov/publications/p946/ar02.html#d0e11297 table A-6 MACRS depreciation rates Internal Revenue Service: Table of Class Lives Appendix (MACRS Tables) IRS Publication 946 irs.gov/publications/p946/ar02.html#d0e11297 IRS website irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 table A-6 irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 Appendix (MACRS Tables) table A-6 MACRS Tables MACRS recovery period for chemical manufacturing Publication 946’s Appendix B irs.gov irs.gov/publications/p946/ar02.html#d0e11297 irs.gov/publications/p946/ar02.html#d0e11297 Internal Revenue Service: Publication 946 irs.gov/publications/p946/ar02.html#d0e11297