Enlace original:
https://wedocs.unep.org//handle/20.500.11822/11940
United Nations Environment Programme
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[[Exemplo de carta do Toolkit para o Inventário de Mercúrio PNUMA Nível 1 para a solicitação de informações de indústrias de mineração. Para ser ajustada de acordo com o contexto nacional e copiada ou impressa em papel timbrado de seu departamento do governo/agência]]
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[[UNEP Mercury Inventory toolkit Level 1 example letter for collecting information from the mining industry: To be adjusted as relevant in the national context and copied to or printed on letter format of your government/agency department]]
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[UNEP Mercury Inventory toolkit Level 1 example letter for collecting information from the mining industry: To be adjusted as relevant in the national context and copied to or printed on letter format of your government/agency department]
