ANNEX V

1. Controlled substances for essential laboratory and analytical uses shall contain only controlled substances manufactured to the following purities: Substance % CTC (reagent grade) 99,5 1,1,1-trichloroethane 99,0 CFC 11 99,5 CFC 13 99,5 CFC 12 99,5 CFC 113 99,5 CFC 114 99,5 Other controlled substances with a boiling point > 20 °C 99,5 Other controlled substances with a boiling point < 20 °C 99,0 These pure controlled substances may be subsequently mixed by manufacturers, agents, or distributors with other chemicals controlled or not controlled by the Protocol as is customary for laboratory and analytical uses. 2. These high purity substances and mixtures containing controlled substances shall be supplied only in re-closable containers or high pressure cylinders smaller than three litres or in 10 millilitre or smaller glass ampoules, marked clearly as substances that deplete the ozone layer, restricted to laboratory and analytical uses and specifying that used or surplus substances should be collected and recycled, if practical. The material should be destroyed if recycling is not practical.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.