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Guidelines for the determination of selected trace metals in aerosols and in wet precipitation
(United Nations Environment Programme, 1988)
RSRM 42
Montreal Protocol on the Substances that Deplete the Ozone Layer: UNEP Handbook on Essential Use Nominations
(1994)
The Handbook describes the nomination process for essential use exemptions as it has evolved through Articles of the Protocol and decisions of the Parties; the procedures followed under the Protocol; and the experience of ...