| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "@Matej the most up-to-date information and production files are in the Github repository: https://github.com/publiclab/passive-pm The screen and m..." | Read more » | about 6 years ago | |||
| mathew | "You're right I had a typo-- I should have deleted the PM2.5 field. fixed, thanks. The mine was operational, and they were not loading rail cars, b..." | Read more » | almost 7 years ago | |||
| mathew | "Absolutely, I should have mentioned them. Here are two: $26 Ambient Weather WM-35 (discontinued, new model is WM-2), has no recording functions ..." | Read more » | almost 7 years ago | |||
| mathew | "@marlokeno pointed me to the US Dept. of Labor's Mine Data Retrieval System which indicates that Great Northern is currently abandoned. This is an..." | Read more » | about 7 years ago | |||
| mathew | "@warren @rjstatic would know more about the modification, but the Open Pipe Kit installation you have should be modifiable to send an e-mail notifi..." | Read more » | about 7 years ago | |||
| mathew | "Minnesota DEP maps: " | Read more » | almost 8 years ago | |||
| mathew | "cool opportunity, @Philrosenberg! you may want to share it out with the Public Lab Air Quality list: http://publiclab.org/lists @Marlokeno: The q..." | Read more » | about 8 years ago | |||
| mathew | "@marlokeno material and charge probably matter quite a bit. There are several research projects using the charge of certain particles for detectio..." | Read more » | about 8 years ago | |||
| mathew | "Thanks for sharing that, Nicholas. I've started keeping a list of sensor evaluations on the wiki page for optical pm monitors: https://publiclab.o..." | Read more » | about 8 years ago | |||
| mathew | "I want to note that while Open Pipe Kit development continues, running this comparison has been a low priority since AQICN is running effectively t..." | Read more » | about 8 years ago | |||
| mathew | "Wisconsin watch railway map: " | Read more » | about 8 years ago | |||
| mathew | "8.5"x11" PDF of this page for printing: _Deploying_Passive_Particle_Monitors-full.pdf PDF made from the Wiki according to these instructions. " | Read more » | over 8 years ago | |||
| mathew | "further followup on analysis of samples. " | Read more » | over 8 years ago | |||
| mathew | "read my follow-up on imaging the samples " | Read more » | over 8 years ago | |||
| mathew | "I don't see any images of them running the device-- seems like they demoed it under glass in January. it looks like a non-functional prototype. is..." | Read more » | almost 9 years ago | |||
| mathew | "@jefffalk @marlokeno interested in your thoughts on this plan. " | Read more » | almost 9 years ago | |||
| mathew | "Ok- No rush. " | Read more » | over 9 years ago | |||
| mathew | "those would be real cool to see! i would like to do a time-based comparison. can you e-mail them to me? mathew at publiclab thanks! " | Read more » | over 9 years ago | |||
| mathew | "I'll connect with Hank on his Dylos-- we'll see what he's doing. there are a million ways to do this that have already been done-- so yeah, we sh..." | Read more » | almost 10 years ago | |||
| mathew | "I've been operating on the assumption that the EPA/ISO standard = PM2.5. I guess this is an etymology question. which came first: PM2.5 or the EP..." | Read more » | almost 10 years ago | |||
| mathew | "maintenance is an issue-- look at these dylos monitors in China building up particulates http://aqicn.org/faq/2013-10-21/dylos-air-particule-conter..." | Read more » | almost 10 years ago | |||
| mathew | "@donblair-- the author doesn't seem to understand the terminology in use. The conclusions are based on a misunderstanding of what PM2.5 actually m..." | Read more » | almost 10 years ago | |||
| mathew | "@donblair-- the author doesn't seem to understand the terminology in use. The conclusions are based on a misunderstanding of what PM2.5 actually m..." | Read more » | almost 10 years ago | |||
| mathew | "Oh Ethernet! Cool that probably isn't too hard to talk to but a computer of some sort will be needed. Serial is great! We can probably get it to t..." | Read more » | almost 10 years ago |