| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| guolivar | "Short answer is NO ... longer answer is still no but with some reasons behind. In general the EPA (and any other regulatory body) needs A LOT of c..." | Read more » | over 4 years ago | |||
| guolivar | "I'm sorry but as usual the time difference kills me. I could potentially listen in but at that time I cannot join the discussions (I'm too busy get..." | Read more » | almost 5 years ago | |||
| guolivar | " The particle size distribution (mass, volume or number) is very variable and even though "on average" it's fairly stable, the day-to-day variabili..." | Read more » | over 5 years ago | |||
| guolivar | "Short answer ... No. Long answer ... Absolutely no! I'll try to explain why, even though it sounds possible, the uncertainties are so large that t..." | Read more » | over 5 years ago | |||
| guolivar | " It all depends on what your objectives are. You'll notice that most air quality monitoring stations (the regulatory ones) have wind measurements w..." | Read more » | almost 6 years ago | |||
| guolivar | "I'll try to unpack a couple of things here. The use of zero filters is standard practice as a quick check of particle instruments. It is used to t..." | Read more » | over 6 years ago | |||
| guolivar | "Great work @sagarpreet! This might get rambly because there is no right answer but I'll try to explain why and what then. The first thing you nee..." | Read more » | over 6 years ago | |||
| guolivar | "The description of the operating principle can be misleading. Optical particle measurements rely on intensity of scattering rather than "amount of..." | Read more » | almost 7 years ago | |||
| guolivar | "I tried to put a long answer here but it kept throwing errors so I wrote a note with my thoughts on this issue: https://publiclab.org/notes/guoliv..." | Read more » | almost 7 years ago | |||
| guolivar | "Smoke particles (and by smoke I mean combustion products) come in sizes all the way down to 1nm (0.001micron) and in shapes that make it very trick..." | Read more » | over 7 years ago | |||
| guolivar | "The question if "which model is best" is not easy to answer as it is always dependent on what the results are used for. There have been a few studi..." | Read more » | over 8 years ago |