Airborne Mercury in a Room from a Broken Fluorescent Lamp - An
This spreadsheet model was constructed by the Florida Department of Environmental Protection and used to estimate
the amount of time it would take for the mercury vapors from a fluorescent lamp broken in a home to clear from a
typical room. See the Department's paper Remediation of Indoor Airborne Mercury Released from Broken Fluorescent
Lamps (June 2007). This interactive model allows you to vary the model inputs, e.g., volume of the room, ambient
air mercury concentration, fan flow rate, to evaluate different scenarios than those selected by the Department.
Remediation of Indoor Airborne Mercury Released from Broken Fluorescent Lamps
(June 2007). This peer-reviewed paper models the dynamics of airborne mercury potentially released from a compact
fluorescent lamp and a four foot straight fluorescent lamp in the event of breakage in a typical room in a home.
When the broken lamp is cleaned up using DEP's Guidelines for Cleaning up Broken Fluorescent Lamps and a fan is
used to increase ventilation through an open window, the room should have the same concentration of mercury as
outdoor air and be ready for re-occupancy and normal use within 30 minutes for a broken compact fluorescent and
45 minutes for a broken four foot straight fluorescent lamp.