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Status Report of UL 2264
by Laurie Florence
Staff Engineer, Underwriters Laboratories
During the October 28 and 29, 2003 meeting of the UL 2264
Standards Technical Panel (STP), it was decided that UL 2264
(Gaseous Hydrogen Generators) should be harmonized with the
ISO TC 197 documents for fuel processing types and water electrolysis
types of hydrogen generators that were being developed in the
ISO TC 197 Working Groups 8 and 9. The work of the UL 2264 STP
would consist of developing the US differences. It was also
agreed, that in order to harmonize with the ISO documents, UL
2264, would need to be divided into three parts: water electrolysis,
fuel processing and water reaction. Task groups were set up
to develop US differences for the ISO documents and to review
the ISO documents to make sure that there were no significant
conflicts between common requirements for water electrolysis
and fuel processing types of hydrogen generators.
Prior to the STP meeting, UL reached an agreement with CSA America
to co-publish the fuel processing type (reformer) portion of
UL 2264.
A meeting was held on May 6-7, 2005 of the UL 2264 STP task
groups. At that time, the work completed by the task groups
was discussed and some additional assignments were given. Significant
issues brought up in the task groups including conflicts between
the ISO documents for common requirements were forwarded to
the ISO TC 197 US TAG to be addressed by the particular ISO
Working Groups.
The next meeting of UL 2264 STP will be scheduled for October
20 and 21, 2004. During that meeting, the STP will review the
work of the task groups and the draft of the water reaction
types portion of UL 2264, which has no ISO counterpart.
Anyone interested in becoming a member of the UL 2264 STP may
contact Susan Malohn at 847-664-1725 or Susan.P.Malohn@us.ul.com.
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