RT null T1 Toolkit for Identification and Quantification of Mercury Releases - Guideline for Inventory Level 3: Supplementing the Reference Report and Guideline for Inventory Level 2 Version 1 February 2023 A1 United Nations Environment Programme, K1 methodology K1 mercury K1 fuel K1 energy consumption K1 municipal waste K1 solid waste YR 2023 FD 2023-02 LK https://wedocs.unep.org/handle/20.500.11822/42055 UL https://wedocs.unep.org/handle/20.500.11822/42055 NO This guideline describes how to work in the associated Toolkit Inventory Level 3 spreadsheet for calculation of estimates of mercury inputs, flows and emissions/releases and should be read along with the spreadsheet. DS UN Environment Document Repository RD Sep 16, 2026