Oh. :( =20 Last year I was hospitalized 3x for what we thought was a bacteria/virus/de= mon in my lungs, but it turned out to be acute irritation caused by an ultr= asonic humidifier putting mineral dust in the air. At one point, I was down to 70% O2 after three hours exposure. Not sure how to evaluate the risk level. -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of= Bob Blick Sent: Tuesday, July 5, 2016 12:22 PM To: Microcontroller discussion list - Public. Subject: Re: [EE] August air pollution in Shenzen :) ________________________________________ From: piclist-bounces@mit.edu on behalf of Van Ho= rn, David Sent: Tuesday, July 5, 2016 5:29 AM To: Microcontroller discussion list - Public. Subject: RE: [EE] I must have missed something. -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of= V G Sent: Sunday, July 3, 2016 6:21 PM To: Microcontroller discussion list - Public. Subject: Re: [EE] The respirator store, the isle where the P99 ones are located. On Wed, Jun 29, 2016 at 1:28 PM, Van Horn, David < david.vanhorn@backcountr= yaccess.com> wrote: > I will be visiting in the Shenzen area in China in August. > > Are there any special things I might want to check out? > - -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclis= t --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .