| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| michelleroos | "Per an EPA alumni in our volunteer network: see BLM reg 3802.4-1 noncompliance: https://www.govinfo.gov/app/details/CFR-2008-title43-vol2/CFR-2008-..." | Read more » | about 2 years ago | |||
| jess_morgan_236 | "Air quality cannot be fixed in one day. We all need to be involved in protecting nature in order to breathe cleaner air. " | Read more » | about 2 years ago | |||
| amocorro | "@winter_sullen great question! What kind of mining are you learning about? This can really influence where you might dig deeper into learning about..." | Read more » | almost 3 years ago | |||
| winter_sullen | "@amocorro my 10th grade Chemistry teachers are doing a similar assignment to mines. We are learning about air quality and how it can affect us and ..." | Read more » | almost 3 years ago | |||
| amocorro | "@Kennicka_HaganKarr check out this response from sarasage to learn more about the US Environmental Protection Agency's air monitoring efforts. One..." | Read more » | almost 3 years ago | |||
| sarasage | "Have you looked at data from EPA's AMTIC (Ambient Monitoring Technology Air Monitoring Information Center)? I am assuming you are from the United S..." | Read more » | almost 3 years ago | |||
| stevie | " @stevie has marked ramseysprague as a co-author. " | Read more » | almost 6 years ago | |||
| gretchengehrke | "Yes! Pennsylvania is actually one of the few states that does have ambient air quality standards for hydrogen sulfide! Read more here: https://publ..." | Read more » | over 6 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 » | over 6 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 » | over 6 years ago | |||
| stevie | "RE:: @DavidMack posting your resource as an answer to the question. Thanks for sharing:: see "Guidelines for FRM and FEM Applicants 9-2011 (PDF)" ..." | Read more » | over 7 years ago | |||
| necisuperiorenzymes | "This whitepaper explains how methods become Clean Water Act methods for wastewater analysis under the US EPA. " | Read more » | over 7 years ago | |||
| necisuperiorenzymes | "The NELAC Institute has a lot of information on regulatory methods for environmental monitoring. http://lams.nelac-institute.org/test_methods NEC..." | Read more » | over 7 years ago | |||
| DavidMack | "@liz see "Guidelines for FRM and FEM Applicants 9-2011 (PDF)" on https://www3.epa.gov/ttn/amtic/criteria.html " | Read more » | over 7 years ago | |||
| liz | "I would like to have the information that Rachelle Duvall referred to on the OpenHour, about the standards and testing that usually companies have ..." | Read more » | over 7 years ago | |||
| xose | "The to be or not to be of the hole question ;) Theres an actual debate around your question and some of the PublicLab people are writing some posts..." | Read more » | over 7 years ago |