Get Full Government Meeting Transcripts, Videos, & Alerts Forever!
Air‑quality monitors show no hazardous readings; positive sewer pressure traced to municipal main at FHN
Summary
SM Wilson engineers reported that air monitoring at Francis Howell North detected no hazardous hydrogen sulfide levels and that positive pressure spikes in the building traced to the municipal sewer main can be mitigated by a powered vent system being coordinated with the City of St. Peters.
SM Wilson representatives told the Francis Howell R-III board on Aug. 21 that air monitors at Francis Howell North (FHN) have not recorded hazardous hydrogen sulfide, oxygen or lower‑explosive‑limit readings and that positive pressure in the school is originating in the municipal sewer main, not the building.
“Air's been good since April,” said Matt Frank, an SM Wilson representative, describing continuous monitoring. He said a manometer — a device that reads air pressure — recorded high positive pressure in the building and at…
Already have an account? Log in
Subscribe to keep reading
Unlock the rest of this article — and every article on Citizen Portal.
- Unlimited articles
- AI-powered breakdowns of topics, speakers, decisions, and budgets
- Instant alerts when your location has a new meeting
- Follow topics and more locations
- 1,000 AI Insights / month, plus AI Chat
