Concern: Mount Hebron High School: September 6th, 2018 (CXMHHS2018000032)

Room 108
Date of IEQ Report Form
Date of Report
Mold was observed on a chalk tray within the room. The room has felt humid and damp.
IEQ Investigation Process

Identify deficiencies that may impact IEQ and/or sources of odor concerns. Typically includes the following depending on the nature of concern, but not limited to:

  • interview/questionnaire of concern individual(s)
  • inspection above drop ceiling (condition of roof deck, pipe insulation, return air plenum)
  • inspection of ventilation system (operation of variable air volume box and outdoor air dampers, check controls, measurements of carbon dioxide, temperature and relative humidity, sources near outdoor air intake, measure return and supply air volume, cleanliness of coils, liner and condensate pan)
  • inspection of exterior
  • inspection below drop ceiling (housekeeping, sink and floor drain traps, signs of past and present moisture concern via visual and/or moisture meter, mold growth, ensure connection of current and capping of abandoned sanitary vents, odorizers, excessive plants and fabric items, identify potential pathways, and measure volatile organic compounds, carbon monoxide, and lighting)

The mold on the chalkboard ledge was cleaned by custodial staff upon discovery per the direction of the Office of the Environment. This was completed prior to the Office of the Environment's visit.

Additional items in the room were assessed. Relative humidity mold growth was observed on the bottoms of some of the chairs in the rooms. No other materials were observed to be impacted.

Building Services (HVAC) assessed the ceiling-mounted Fan Coil Unit (FCU) that services the room. No deficiencies with the unit were noted, however the temperature set point was set to high.

Corrective Actions
September 12th, 2018

A board-approved restoration contractor cleaned/disinfected surfaces (cabinets, chalk-trays, chairs, desks, etc.) within Room 108. Work was performed with an industrial air filter equipped with a High Efficiency Particulate Air (HEPA) filter. The "air-scrubber" was left in place and operating for approximately 24-hours after cleaning was complete.  

September 12th, 2018

Building Services (HVAC) adjusted the cooling set point. 

Date Closed
Tracking Number