GHG Inventory Methods Archive

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All method documentation associated with previous editions of the Assembly Bill 32 Greenhouse Gas Emissions Inventory (Inventory) is available below. CARB published fully detailed Method Reports for the 2007, 2011, 2013, 2014, and 2016 editions of the Inventory. For the 2015 and 2017 through 2025 editions, CARB published method update documents that specified all method changes made for that specific edition.