I read that Benzene levels were 30 times higher than permitted, putting them on par with levels you would see in 3rd world countries like India. Also watchdog websites went black in the weeks leading up to the explosion. There was no data available to the public in the weeks leading up to the explosion.

Evergreen is responsible for managing the environmental investigation and cleanup of soil and groundwater from impacts that occurred before PES purchased the site in 2012. PES operated the site and would have the information pertaining to air emission data. In addition, the City of Philadelphia Department of Public Health’s Air Management Services may also be able to provide additional air quality data from that time period ((215) 685-7584 or dphams_service_requests@phila.gov).