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Issuing organization<br />
Def<strong>en</strong>ce Research Establishm<strong>en</strong>t<br />
Div. of NBC Def<strong>en</strong>ce<br />
S-901 82 UMEÅ<br />
Swed<strong>en</strong><br />
Author(s)<br />
Håkan Eriksson, Jan Burman,<br />
L<strong>en</strong>nart Thaning and Stellan Winter<br />
Docum<strong>en</strong>t name and doc. ref. No.<br />
FOA-R—98-00885-990--SE<br />
Date of issue Project number<br />
December 1998 E4631<br />
Project name (abbrev. if necessary)<br />
Initiator or sponsoring organization<br />
Swedish Rescue Services Ag<strong>en</strong>cy<br />
Project manager<br />
Sci<strong>en</strong>tifically and technically responsible<br />
Docum<strong>en</strong>t title<br />
How hazardous is an ice-hockey ar<strong>en</strong>a with ammonia<br />
Calculations of risk distances and the influ<strong>en</strong>ce of large buildings on dispersion during<br />
accid<strong>en</strong>tal releases of ammonia.<br />
Abstract<br />
The report deals with the influ<strong>en</strong>ce of large buildings on the consequ<strong>en</strong>ces of accid<strong>en</strong>tal releases<br />
of ammonia from ice-hockey ar<strong>en</strong>as. Calculations show that an indoor release is not hazardous<br />
to people outside the building. Wh<strong>en</strong> a release occurs outdoors, the risk distance is reduced as a<br />
result of the influ<strong>en</strong>ce exerted by the large building. Wh<strong>en</strong> compared to a release in op<strong>en</strong> field,<br />
the reduction is 50 % or more.<br />
The risk distance from an accid<strong>en</strong>tal release of cooling-<strong>med</strong>ia from an ice-hockey ar<strong>en</strong>a<br />
equipped with modern ammonia-based cooling system is hardly ever more than one hundred<br />
metres. The conclusion is that the rescue services, wh<strong>en</strong> planning, need not anticipate any severe<br />
injuries to people exposed to ammonia beyond that distance.<br />
Key words<br />
Ammonia, risk distance, ice-hockey ar<strong>en</strong>as<br />
Further bibliographic information Language Swedish<br />
ISSN 1104-9154 ISBN<br />
Pages 31<br />
Price Acc to pricelist:-
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