# Regulations.gov document: Governor's Designations Submission: Letter dated January 21, 2025, from David W. Salyers, Commissioner, TN Department of Environment and Conservation, to Denisse Diaz, Director, Air and Radiation Division, EPA Region 4, Regarding PM2.5 Designations in Tennessee — retained record

> Retained regulations record from regulations-gov.

Canonical: https://highsignal.app/data/records/517b2fca85f77d08

[← sources](https://highsignal.app/data)


source: [regulations](https://highsignal.app/data/regulations) (regulations-gov)  published 2026-10-06 04:00 ingested 2026-10-07 02:44

[original source ↗](https://www.regulations.gov/document/EPA-HQ-OAR-2024-0078-0094)

## retained text



```
Query: data center
Agency: EPA
Type: Supporting & Related Material
Docket: EPA-HQ-OAR-2024-0078
```



document fetched 2026-10-08 02:43 · canonical https://regulations.gov/document/EPA-HQ-OAR-2024-0078-0094