epa
epa

Environmental Protection Agency in the USA...


Author Comment Last activity Moderation
warren "Also see this great section by @DavidMack -- https://publiclab.org/wiki/particle-sensing#EPA+Test+Methods " | Read more » over 6 years ago
warren "@eustatic -- @shannon mentioned Gulf Monitoring Consortium has a ton of work on this -- do you have some links you could share if you have a moment..." | Read more » over 6 years ago
warren "Oh, cool -- this page (https://www.epa.gov/enviro/envirofacts-data-service-api) shows this type of query, starting with a zip code prefix: https:/..." | Read more » over 6 years ago
warren "Oh, and maybe Skytruth Alerts is a good place to go? But I'm not sure it does historical data: http://alerts.skytruth.org/ They do have an API: h..." | Read more » over 6 years ago
warren "GitHub lists 7 projects: https://github.com/search?utf8=%E2%9C%93&q=toxics+release+inventory&type= But the EPA site seems only to offer JS..." | Read more » over 6 years ago
stevie "@eustatic was just messaging me about the USGS water alert system: https://maps.waterdata.usgs.gov/mapper/wateralert/ it looks great! " | Read more » over 6 years ago
Reallygeek "there's government sources, like parks and recreations, forestry services, national park stuff that's free to the public. There's also local unive..." | Read more » over 6 years ago
gretchengehrke "For regulatory purposes, the EPA doesn't actually measure the size of individual particles. Rather, they use a pump with an impactor. This pumps in..." | Read more » almost 7 years ago
kgradow1 "Potential resource: A Guidebook for Particle Size Analysis (industry) https://www.horiba.com/fileadmin/uploads/Scientific/eMag/PSA/Guidebook/pdf/..." | Read more » almost 7 years ago
marlokeno "Thanks! " | Read more » almost 7 years ago
marlokeno "OK, I found some promising links- https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21964 This link includes an example inset of part of San J..." | Read more » almost 7 years ago
richardx "NASA's disasters program has conveyed to the Federal Emergency Management Agency (FEMA) a guide of areas in eastern Puerto Rico that Do my Assignme..." | Read more » almost 7 years ago
gilbert "The following articles may be useful in deploying VIIRS data for disaster damage impact: Chris Justice (NASA Goddard) et al. link to the full arti..." | Read more » almost 7 years ago
warren "Wow, this sounds promising. Can you upload a screenshot of what that kind of map data looks like? " | Read more » almost 7 years ago
liz "Here's their video: " | Read more » about 7 years ago
stevie "@stevie awards a barnstar to gretchengehrke for their awesome contribution! " | Read more » over 7 years ago
mathew "Looks great! i noticed two formatting issues. There seems to be a missing research note in the section: If you are unsure of whether or not this ..." | Read more » over 7 years ago
DavidMack "one other tool you may want to consider is something like a haze cam, see http://hazecam.net/ These are typically used for wide open areas but I t..." | Read more » over 7 years ago
gretchengehrke "Hi Patrick, I am also curious about when the fee is waived and when it's not. I know that in some counties (though I'm not sure if the county is al..." | Read more » over 7 years ago
pdhixenbaugh "Hello Gretchen, I am curious about when the fee is waived and when it is not, as $400 a year is definitely prohibitive for citizen science on a lar..." | Read more » over 7 years ago
eustatic "DoJ allowed monitoring as a Supplemental Environmental Project (in lieu of fees)? I've heard the opposite. Was it citizen or government, or third..." | Read more » almost 8 years ago
gretchengehrke "Hi again, This document may be useful in deciphering situations in which CALPUFF would be more appropriate than AERMOD: https://www3.epa.gov/ttn/s..." | Read more » almost 8 years ago
gretchengehrke "Hi Mary, This is a great question. I want to clarify that I don't necessarily think AERMOD is a bad model -- it just has draw-backs, and those draw..." | Read more » almost 8 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 » almost 8 years ago