particulates
particulates


Author Comment Last activity Moderation
jefffalk "Another well financed monitoring report that includes mobile monitoring is by David Snyder from UW Stevens Point: LADCO Midwest Wood Smoke Study: h..." | Read more » about 10 years ago
willie "Jeff is correct. The video shows Dr Apte's set up for his work in Delhi. I included it as a kind of inspiration for the start of our work and somet..." | Read more » about 10 years ago
jefffalk "There are apparently some misconceptions here. As I read it, the monitor used by Apte was a commercial DustTrak not a dustduino and his research h..." | Read more » about 10 years ago
RonGeorge "Hi Willie Is the actual sensor used in the video a dustduino? I was surprised by the high sampling frequency of a low cost DIY device... The influ..." | Read more » about 10 years ago
jefffalk "Having an inexpensive mobile monitor would be wonderful. In fact, having an inexpensive stationary monitor would be wonderful. But one needs credi..." | Read more » about 10 years ago
mathew "thanks for sharing, Nick! I didn't want to give away your secret. We're looking at several situations (like particles, H2S) where controlled airfl..." | Read more » about 10 years ago
nshapiro "Hi willie! Its a great project! I haven't read the Apte documentation, but mobile sensing does create some difficulties in terms of maintaining the..." | Read more » about 10 years ago
willie "Thanks Matt. This is definitely at its onset but I wanted to share the Apte inspiration. He did a number of things to ensure that the quality of th..." | Read more » about 10 years ago
mathew "That's pretty neat. How airflow will be controlled, as I would expect a moving vehicle to increase particulate measurements as a matter of the airf..." | Read more » about 10 years ago
mathew " Usually gravimetric tests are done on particles after they have been captured in the field. Given environmental vibrations, it sounds tough to pi..." | Read more » about 10 years ago
amysoyka "This is a gravimetric sensor: In theory, don't PM particles have different weight, depending on atomic content. If you were to use a mesh to re..." | Read more » over 10 years ago
warren "I was wondering if, since the silica kind of redirects the light (a little like fiber optic), if you could illuminate it with a directional light d..." | Read more » over 10 years ago
marlokeno "It's nearly impossible to separate the effects of irrigation hi-cap wells from the silica wash plants. Also, withdrawing large amounts of water for..." | Read more » over 10 years ago
mathew "Thank you so much for the clarification David! I'll work that into our summaries. its been hard to get a handle on exactly what is meant by that s..." | Read more » over 10 years ago
DavidMack "@amysoyka The Powermag graphic portrays the PM fractions based on source sampling techniques used for power plant emission sampling. The source sa..." | Read more » over 10 years ago
amysoyka "Sure - the source for that image is the link in the comment above it by the way. I like super-visual. Apparently so does Stephen Hawking - who app..." | Read more » over 10 years ago
warren "Wow Amy that is a SUPER visual explanation! Want to add it (with credit and maybe a "not open licensed" notice) to the particulates page? http://pu..." | Read more » over 10 years ago
amysoyka "Oh & this picture is just awesome too!: " | Read more » over 10 years ago
amysoyka "This article explains in some detail about the point Matthew just made: http://www.powermag.com/blog/pm2-5-more-than-just-dust/ " | Read more » over 10 years ago
stevie "Love this project. Would you be interested in sharing the idea on an OpenHour? we have one on Air Quality scheduled for July 28th! " | Read more » over 10 years ago
mathew "yeah, l their comments are moderated. mine is still in the queue. " | Read more » over 10 years ago
warren "Are comments moderated there? I don't see your comment but it's a very important clarification to make. Thanks, Mathew! " | Read more » over 10 years ago
mathew "I just posted a comment to that article. thanks for pointing it out: @donblair-- the author doesn't seem to understand the terminology in use. Th..." | Read more » over 10 years ago
amysoyka "Hi there, I was just wondering if you ever debunked the claims by AQICN: http://aqicn.org/experiments/what-is-the-dylos-monitor-actually-measuring/..." | Read more » over 10 years ago