# Regulations.gov document: USGS. Methods for Determination of Radioactive Substances in Water and Fluvial Sediments, Chapter A5 of Techniques of Water-Resources Investigations of the United States Geological Survey, 1977. Available at U.S. Geological Survey (USGS), Books and Open File Reports Section, Box 25425, Federal Center, Denver, CO 80225-0425. 100 pp. [PHASE-3-AM-IV-B-12] — retained record

> Retained regulations record from regulations-gov.

Canonical: https://highsignal.app/data/records/ccd4879d867685d8

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source: [regulations](https://highsignal.app/data/regulations) (regulations-gov)  published 2026-10-13 04:00 ingested 2026-10-14 02:45

[original source ↗](https://www.regulations.gov/document/EPA-HQ-OW-1997-8154-0011)

## retained text



```
Query: data center
Agency: EPA
Type: Supporting & Related Material
Docket: EPA-HQ-OW-1997-8154
```



document fetched 2026-10-14 02:45 · canonical https://regulations.gov/document/EPA-HQ-OW-1997-8154-0011