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Date:
                 Apr 29 2001 08:07:03 EDT
                 From:
                 Morten Ryhl-Svendsen <[log in to unmask]>
                 Subject:
                 [IAQ.museum list message] Update to IAQ website:
JavaScript
                 Concentration Converter


                 The IAQ in Museums and Archives website has been
updated with an
                 on-line calculator for convertion between the two most
commonly used
                 gas concentration units: ppb and micro-g/m3.

                 The calculator uses the formula given by ASTM, taking
temperature and
                 atmospheric pressure into account. A list of the most
ommon
                 pollutant's molecular weight (also needed for the
calculations) are
                 also given at the web page.

                 The calculator needs a browser that understand
JavaScript.
                 You'll find it at
http://hjem.get2net.dk/ryhl/conc_calc.htm , or by a
                 link from the main index page
(http://hjem.get2net.dk/ryhl/).

                             Your humble webmaster,
                             Morten

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                 PS: Please remember the next IAP meeting in Copenhagen
(November 8-9).
                 The deadline for those who wish to do a presentation is
May 31st, and
                 the general deadline for registration is August 31st.
                 More info at:
http://hjem.get2net.dk/ryhl/iap2001/2001_info.htm