Concern: Cradlerock Elementary School: February 10th, 2021 (CXCRES20210001A7)

Location
023
Date of IEQ Report Form
Date of Report
March 17th, 2021
Concern
There was mold located in the back of the classroom on the floor near the door that leads to the hallway, as well as on a white shelving unit which was in the same location, but is now located in the front of the classroom. Our custodial staff sprayed it with an anti-mold growth agent.
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)
Findings

Date(s) of Assessment: February 23, 2021

The Office of the Environment met with a staff member familiar with the concern.

The suspect/probable mold had already been cleaned by Custodial Services and was not visible at the time of the assessment.

The occupant was not aware of any leaks or spills in the area of reported mold growth.

Areas above the drop-ceiling were observed for signs of moisture, staining, and mold with particular attention to areas above the area of reported growth. No concerns were identified. 

Various surfaces within the room were inspected for mold growth. No mold growth was observed. 

The drywall near the area of concern was probed with a moisture meter. No elevated moisture was detected in the drywall.

The cove base in the area of concern was peeled back. No mold growth was observed behind the cove base.

The temperature and relative humidity were acceptable.

A picture of a file cabinet in question was observed and staining indicative of a spill was observed on the cabinet. Since the staff member was not aware of any recent spills or leaks that may have caused the staining, a potential cause was not determined. In the Office of the Environment's experience, staining (even if  old)  can exacerbate mold growth during times of elevated humidity (summer). 

Items observed that do not appear related to the reported mold growth:

  • The exterior window has a broken seal causing condensation.
  • A stained ceiling tile was observed in the back right corner of the class (not near the reported mold growth).
Corrective Actions
February 24th, 2021

As a precaution, the Office of the Environment will monitor the space by placing a data logger in the room to record temperature and humidty trends during the cooling season.

February 24th, 2021

A work order was submitted to Building Maintenance to asses and address the broken window seal.

February 24th, 2021

The custodian is to place a work order to address the stained ceiling tile if one is not already in progress.

Closed
No
Tracking Number
CXCRES20210001A7