The EPA is releasing sampled air data here: https://response.epa.gov/site/site_profile.aspx?site_id=15933 https://response.epa.gov/site/site_profile.aspx?site_

The EPA is releasing sampled air data here: https://response.epa.gov/site/site_profile.aspx?site_id=15933 https://response.epa.gov/site/site_profile.aspx?site_id=1593... You can request air sampling, they have contact information on that site.