• In Volume 4-2, Chapter 12, page 12.8, paragraph 12.2.1, the line: “The term ‘insignificant’ in this context means that the annual change in carbon in HWP stocks, using one of the measures of carbon change above, is of a comparable size to a key category.”, should be replaced with: “The term ‘insignificant’ in this context means that the annual change in carbon in HWP stocks, using one of the measures of carbon change above, is less than the size of any key category.”
• In Volume 4-2, Chapter 12, Page 12.11, Equation 12.2, the word “PRODUCED” in the line: “ESTIMATION OF HWP PRODUCTS PRODUCED ANNUALLY FROM DOMESTIC CONSUMPTION” should be replaced by the term, “PLACED IN USE”.
• In Volume 4-2, Chapter 12, Page 12.20, Table 12.5, footnote 2, the last term in the equation should be “-CPEX” instead of “+CPEX”.
• In Volume 4-2, Chapter 12, Page 12.20, Table 12.5, footnote 3, the last term in the equation should be “-CPEX” instead of “+CPEX”.

Simon Eggleston
Head, Technical Support Unit

IPCC Task Force on National Greenhouse Gas Inventories

November 2010