question:regulation
question:regulation


Author Comment Last activity Moderation
stevie " @stevie has marked ramseysprague as a co-author. " | Read more » almost 6 years ago
stevie " @stevie has marked ramseysprague as a co-author. " | Read more » almost 6 years ago
warren "Also see this great section by @DavidMack -- https://publiclab.org/wiki/particle-sensing#EPA+Test+Methods " | 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 » over 6 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 6 years ago