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</head><body><p>wow, thanks.</p><p><br></p><p>-mark</p><blockquote type="cite">On 17 May 2021 at 10:01 David Closey <david.closey@gmail.com> wrote: <br> <br><div dir="ltr">Zeolite has been implicated in lung cancers (mesothelioma)<div>Not as bad as asbestos but I wouldn't unpack or pack it until you have a plan for dust control and respiratory protection </div><div><br></div><div><br></div><div><br></div><div><br></div><div>Safety data sheet excerpt</div><div><br></div><div> 1.1 Product identifiers Product Name : Brand : ACS Material Molecular Sieve SSZ-13 Zeolite ACS Material LLC</div><div><br></div><div>SECTION 2: HAZARDS IDENTIFICATION 2.1 Classification of the substance or mixture GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Eye irritation (Category 2A), H319 Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335 <br></div><div><br></div><div> 8.3 Personal protective equipment Eye/face protection Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. Body Protection Impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator. For higher level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). <br></div><div><br></div><div>David </div></div><br><div class="ox-2004ac52c7-gmail_quote"><div dir="ltr" class="ox-2004ac52c7-gmail_attr">On Sat, May 15, 2021 at 8:20 PM Mark Atherton < <a href="mailto:markaren1@xtra.co.nz">markaren1@xtra.co.nz</a>> wrote: <br></div><blockquote>Just been given an old Oxygen Concentrator with exhausted Molecular Sieves. <br> <br> Re-packing the sieves looks like a straightforward process if I can get <br> the correct grade of Zeolite. <br> <br> Anyone have any experience with such a venture, and where I should go <br> shopping for such ? <br> <br> Thanks, <br> <br> Mark <br> <br> _______________________________________________ <br> Chchrobotics mailing list <a href="mailto:Chchrobotics@lists.ourshack.com" target="_blank" rel="noopener">Chchrobotics@lists.ourshack.com</a> <br> <a href="https://lists.ourshack.com/mailman/listinfo/chchrobotics" target="_blank" rel="noopener">https://lists.ourshack.com/mailman/listinfo/chchrobotics</a> <br> Mail Archives: <a href="http://lists.ourshack.com/pipermail/chchrobotics/" target="_blank" rel="noopener">http://lists.ourshack.com/pipermail/chchrobotics/</a> <br> Meetings usually 3rd Monday each month. See <a href="http://kiwibots.org" target="_blank" rel="noopener">http://kiwibots.org</a> for venue, directions and dates. <br> When replying, please edit your Subject line to reflect new subjects.</blockquote></div>_______________________________________________ <br>Chchrobotics mailing list Chchrobotics@lists.ourshack.com <br>https://lists.ourshack.com/mailman/listinfo/chchrobotics <br>Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/ <br>Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates. <br>When replying, please edit your Subject line to reflect new subjects.</blockquote></body></html>