# Regulations.gov document: U.S. Environmental Protection Agency. Estimation of Risks from Indoor Radon Exposures. February 15, 1990. 21 pp. [EPA, 1990i] [PHASE-III-RADS-III-D3-73] — retained record

> Retained regulations record from regulations-gov.

Canonical: https://highsignal.app/data/records/f4a3c3b97fac66b4

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source: [regulations](https://highsignal.app/data/regulations) (regulations-gov)  published 2026-09-09 04:00 ingested 2026-09-10 02:44

[original source ↗](https://www.regulations.gov/document/EPA-HQ-OW-1986-0161-0595)

## retained text



```
Query: data center
Agency: EPA
Type: Supporting & Related Material
Docket: EPA-HQ-OW-1986-0161
```



document fetched 2026-09-10 02:44 · canonical https://regulations.gov/document/EPA-HQ-OW-1986-0161-0595