question:question
question:question


Author Comment Last activity Moderation
warren "@maxliboiron would know! https://civiclaboratory.nl/category/technologies/ I wonder what microns per pixel resolution is needed? " | Read more » about 7 years ago
gretchengehrke "Yes, OSHA does regulate workplace exposure to hydrogen sulfide. The OSHA "ceiling" exposure limit is 20 ppm, though NIOSH- the federal research ins..." | Read more » about 7 years ago
gretchengehrke "In the United States, hydrogen sulfide is not considered a "criteria pollutant" or a hazardous air pollutant. Thus, there are no federal ambient ai..." | Read more » about 7 years ago
zengirl2 "Looks like it retails for about $2,500. Here is the description and manual for it: http://metone.com/indoor-controlled-environments/controlled-envi..." | Read more » about 7 years ago
warren "Ah! do you have a link and price for this? I'd be interested in whether there is online support material and/or trainings, or even youtube videos o..." | Read more » about 7 years ago
zengirl2 "One example would be an air monitor like HW Metone GT 321 Particle Counter. I know one of our community members is using this for readings. " | Read more » about 7 years ago
warren "We are exploring doing this at Public Lab, in coordination with our Kits Initiative, but many expensive tools or pieces of equipment require even m..." | Read more » about 7 years ago
asnow "Sorry for the late reply, but these filters are actually for near infrared, not thermal infrared as stated in your post. We hope your research has ..." | Read more » about 7 years ago
jjcreedon "Gilebert, this is great info. Thank you. btw- Toawanda Coke is not appealing . the fine monies have already been distributed. " | Read more » about 7 years ago
stevie "I'm not sure of any right now, but this would be a good question for the upcoming OpenHour on Data Loggers for Environmental Monitoring! It's going..." | Read more » about 7 years ago
warren "Ah cool, i found it! When you are done with the experiment, simply unlink the two hoses and put the output from the pump into a bottle of bleach. ..." | Read more » about 7 years ago
warren "I wonder if @shanlter knows about absorbing #h2s #hydrogen-sulfide -- and also I saw @jsummers had a system for eliminating h2s from a test setup -..." | Read more » about 7 years ago
gilbert "Presumably, Tonawanda Coke is now appealing its 2014 violation(s) of the Clean Air Act, based upon the US EPA Administrator Scott Pruitt's recently..." | Read more » about 7 years ago
jjcreedon "no requirement from lawsuit, just best practices, thx " | Read more » about 7 years ago
kgradow1 "Are you required to meet any parameters by the terms of the lawsuit? Or are you asking more about best practices? " | Read more » about 7 years ago
cfastie "Hi Patrick, With 60 people, 30 minutes is barely enough time to go outside and come back in, even without doing anything at either place. So you m..." | Read more » about 7 years ago
pdhixenbaugh "Is there a plab page with instructions for what to get, and how to do it? " | Read more » about 7 years ago
liz "Can you go outside? I'd say the classic kite + camera flight, followed by mapmaking is still a crowd-pleaser! To make it super short, you could alr..." | Read more » about 7 years ago
stevie "Hi!! Check out the Barnraising 2017 page. :) Fill in sessions, notes and lightning talks that happened! https://publiclab.org/wiki/barnraising-2017 " | Read more » about 7 years ago
stevie "Hi Patrick! I just did this one with a group of about 80. It's an hour, but I'm sure it could be shortened. It's more conceptual "how we build idea..." | Read more » about 7 years ago
warren "I've done spectrometer building with people -- that works pretty well, although it's good to practice first. Balloon mapping is a bit much for 30 m..." | Read more » about 7 years ago
caufenkamp "I love what you did here https://publiclab.org/notes/pdhixenbaugh/11-04-2017/community-science-interventions-a-framework-barnraising2017-session " | Read more » about 7 years ago
warren "Did anyone get a photo of the schedule board? I'd love to go through and post the questions on there as questions on the site -- that way we can ha..." | Read more » about 7 years ago
kgradow1 "For future consideration: It might be useful to set aside time during the day for documentation -- just as a set session, or as multiple sessions ..." | Read more » about 7 years ago