Sulfur Dioxide
Sulfur Dioxide presence in the air was tested over two hours using a low volume pump calibrated
at .1048 liters per minute. The Permissible Exposure Limit (PEL) by the Occupational Safety and
Health Administration (OSHA) is 5 parts per million (ppm) over an eight hour period or
1.3mg/m3-
Joint announcement of a comprehensive plan by the EPA and city partners to address indoor air quality concerns in residential units south of Canal Street.
Comprehensive FAQ addressing downtown building access, reopening areas, property manager contact procedures, and building damage status in lower Manhattan.
A project proposal outlining the timeline, methods, and justification for cleaning HVAC systems in residential units affected by World Trade Center dust.