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<div class="moz-cite-prefix">Am 12.08.2021 um 09:50 schrieb Dirk
Neumann:<br>
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<div class="moz-cite-prefix">Hi Vanessa,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">if the storage room is suited to
stabilise temperature and relative humidity, slow fluctuations
are acceptable. We currently have a similar situation here with
renovations of our HVAC system, however, because we lost the
ambient air supply that was delivered through the HVAC system
into our storage spaces, we had major temperature issues in the
collection with temperatures dropping down to just 13°C in
winter - even though our collection is below surface level.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Another issue might be cold outer
walls if the HVAC is shut off, as there could be a risk of mould
growth if temperatures drop below the Dew point and condensation
appears (especially if walls are painted with emulsion paint).
Outer walls and bottom shelves should be monitored carefully.
Ventilation with normal fans to avoid condensation and
installation of dehumidifiers (which also move air) is helpful.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Great care should be taken with
construction workers in the collection - we had the case here
that electricians tossed few jars (sad, but not a drama), BUT
they had their cable roller on the floor just below this shelf,
and there was a considerable alcohol spillage ... they were
really lucky, as was our collection. So be aware that the
subcontractor of the subcontractor is informed and adheres to
safety measures.</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Alcohol vapours should not be that
much of an issue (this depends of course on your seals and
closures), but lowering the air exchange rates and likely
reducing temperatures because the HVAC is turned off usually
lowers the evaporation pressure inside jars as well. You could
think to install gas detectors that indicate and warn if alcohol
vapours would accumulate. Last winter, we opened the door to our
storage rooms when the museum was closed due to COVID and with
the exception of an emergency team staff was working from at
home. We placed the dehumidifiers in the door space to propel
(warm) air into storage spaces to at least stabilise
temperatures around 14°C - which worked fairly good. But of
course, this wasn't a proper solution. <br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">This is a European view which might
not be in line with the views and requirements of US (fire
prevention) regs, but the general concerns are of course the
same and I hope this is useful.<br>
</div>
<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix">Dirk<br>
</div>
<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix"><br>
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<div class="moz-cite-prefix">Am 11.08.2021 um 19:15 schrieb
Vanessa Delnavaz:<br>
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<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">I was
wondering if anyone has any solutions for temporary
ventilation of an alcohol storage space while HVAC is
offline for construction over a long period of time (i.e.
months). <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">Thank
you,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">Vanessa <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-family:"Arial",sans-serif">Vanessa
Delnavaz | Invertebrate Zoology Collection Manager<o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">805-682-4711
ext. 146 | <a href="http://www.sbnature.org/"
moz-do-not-send="true"><span style="color:blue">www.sbnature.org</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span
style="font-family:"Arial",sans-serif">SANTA
BARBARA MUSEUM OF NATURAL HISTORY<o:p></o:p></span></b></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">2559
Puesta del Sol, Santa Barbara, CA 93105<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-family:"Arial",sans-serif">805-682-4711
| Fax 805-569-3170<o:p></o:p></span></p>
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<p><br>
Dirk Neumann<br>
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Tel: 089 / 8107-111<br>
Fax: 089 / 8107-300<br>
neumann(a)snsb.de<br>
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Postanschrift:<br>
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Besuchen Sie unsere Sammlung:<br>
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Dirk Neumann<br>
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Tel: +49-89-8107-111<br>
Fax: +49-89-8107-300<br>
neumann(a)snsb.de<br>
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postal address:<br>
<br>
Bavarian Natural History Collections<br>
The Bavarian State Collection of Zoology<br>
Dirk Neumann, Section Ichthyology / DNA-Storage<br>
Muenchhausenstr. 21<br>
81247 Munich (Germany)<br>
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Visit our section at:<br>
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<div class="moz-signature">-- <br>
<p><img src="cid:part18.26877567.18EF89A0@snsb.de" alt=""
width="152" height="59"></p>
<p><br>
Dirk Neumann<br>
<br>
Tel: 089 / 8107-111<br>
Fax: 089 / 8107-300<br>
neumann(a)snsb.de<br>
<br>
Postanschrift:<br>
<br>
Staatliche Naturwissenschaftliche Sammlungen Bayerns<br>
Zoologische Staatssammlung München<br>
Dirk Neumann, Sektion Ichthyologie / DNA-Storage<br>
Münchhausenstr. 21<br>
81247 München<br>
<br>
Besuchen Sie unsere Sammlung:<br>
<a class="moz-txt-link-freetext" href="http://www.zsm.mwn.de/sektion/ichthyologie-home/">http://www.zsm.mwn.de/sektion/ichthyologie-home/</a><br>
<br>
---------<br>
<br>
Dirk Neumann<br>
<br>
Tel: +49-89-8107-111<br>
Fax: +49-89-8107-300<br>
neumann(a)snsb.de<br>
<br>
postal address:<br>
<br>
Bavarian Natural History Collections<br>
The Bavarian State Collection of Zoology<br>
Dirk Neumann, Section Ichthyology / DNA-Storage<br>
Muenchhausenstr. 21<br>
81247 Munich (Germany)<br>
<br>
Visit our section at:<br>
<a class="moz-txt-link-freetext" href="http://www.zsm.mwn.de/sektion/ichthyologie-home/">http://www.zsm.mwn.de/sektion/ichthyologie-home/</a><br>
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