USPS OIG – Ventilation and Filtration in Postal Service Facilities


The U.S. Postal Service owns over 8,400 facilities where it provides services, which includes maintaining proper ventilation and filtration in these facilities to ensure they are clean and safe. Ventilation and filtration are often provided by heating, ventilation, and air conditioning systems in a facility. Industry standards recommend minimum ventilation rates and inspection and maintenance activities.

What We Did

Our objective was to assess Postal Service efforts to ensure proper ventilation and filtration in facilities and identify opportunities for improvement. For this audit, we statistically sampled 193 Postal Service-owned retail and delivery facilities with an interior size ranging from 1,000 to 100,000 square feet from a universe of 6,709 facilities.

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Didn’t come to my office. It’s terrible and wonder if it even has any filtration!

Doc, i believe you 100 percent!!

I can vouch for an entire city of neglected air handling units and old dirty ductwork that hasn’t been cleaned since the building was opened..horrendous! Asthmatics have issues in buildings and I personally have major sinus and allergy issues (when on vacation) they clear almost completely! But this report will do Nothing to change managements neglectful behavior.

What about the walls and tile floors filled lead and asbestos?