The Eighteenth Meeting of the Executive Committee, approved a time-frame of up to two years for the calculation of incremental operating costs of all rigid polyurethane foam projects other than those relating to the domestic refrigeration sector.
(UNEP/OzL.Pro/ExCom/18/75, Decision 18/8, para. 20(a).
The Nineteenth Meeting of the Executive Committee, recalling that, by paragraph (i) of its decision 18/10, it had approved a recommendation to request the Implementing Agencies to study the feasibility of using low-pressure foaming machines with HCFC-141b formulations in the manufacture of rigid foams decided to request the Implementing Agencies to take this and related technological developments into account and, in consultation with the Fund Secretariat, to prepare a report on the subject for submission to the Twentieth Meeting.
(UNEP/OzL.Pro/ExCom/19/64, Decision 19/7 , para. 24(b).