ANNEX VConditions for the placing on the market and further distribution of controlled substances for essential laboratory and analytical uses referred to in Article 10(3)
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.