# GSA - A201018P4R23008 - 4
> **Closed** recommendation · 2023-06-05
**Report:** Audit of GSA’s Response to COVID-19: PBS Faces Challenges to Meet the Ventilation and Acceptable Indoor Air Quality Standard in GSA-Owned Buildings ([detail](https://api.ai-analytics.org/ig-report/35143))
**OIG report number:** A201018P4R23008
**Recommendation number:** 4
## Text
We recommend that the PBS Commissioner ensure operations and maintenance contracts define requirements for regular testing, adjusting, and balancing of air handlers.
---
*Source: oversight.gov · AI Analytics · CC0 1.0*