| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Also see this great section by @DavidMack -- https://publiclab.org/wiki/particle-sensing#EPA+Test+Methods " | Read more » | almost 7 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 » | over 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 » | over 7 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 » | about 8 years ago | |||
| necisuperiorenzymes | "This whitepaper explains how methods become Clean Water Act methods for wastewater analysis under the US EPA. " | Read more » | about 8 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 » | about 8 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 » | about 8 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 » | about 8 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 » | about 8 years ago |