OpenLegislation

Division 4

United Kingdom

Original text. Later amendments are not shown.

Existing fixed-roof tanks must either:

  1. (a)

    be connected to a vapour-recovery unit in conformity with the requirements of Annex II; or

  2. (b)

    have an internal floating roof with a primary seal which should be designed to achieve an overall containment of vapours of 90 % or more in relation to a comparable fixed-roof tank with no vapour controls.