Concern: Bollman Bridge Elementary School: March 20th, 2019 (CXBBES20190000C4)

B145 and B129
Date of IEQ Report Form
Date of Report
During a Tier I IEQ Walkthrough, the following items were identified that needed further assessment:

Suspect mold growth was observed on the floor of the women's bathroom, near a sink.

Mold growth was identified on an wall-mounted air conditioning unit in the kitchen.
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)


A source of moisture was not readily identified (no plumbing leaks, etc.). The suspect mold growth may have been a result from splashing water from hand-washing activities.


Mold growth was identified on an wall mounted air conditioning unit. 

Building Services (HVAC) inspected the unit for deficiencies. No significant deficiencies were identified.

In general, both of the findings would be considered de minimis.

Corrective Actions
March 20th, 2019

The suspect mold growth in the bathroom was cleaned/disinfected by custodial staff. Administration should inform the Office of the Environment if the material returns. 

March 28th, 2019

The kitchen air conditioning unit's coils were cleaned, the drain line was flushed, and the units baffles were cleaned.

Tracking Number