Regulations.gov document: USGS. 1987. United States Geological Survey. Groundwater geochemistry and radon-222 distribution in two sites on the Reading Prong, Eastern Pennsylvania. In Proceedings of Georad Conference April 21-22, 1987, St. Louis Mo. Special publication No. 4, 1988 [PHASE-III-RADS-III-B2E1-25]

source: regulations (regulations-gov)published 2026-08-17 04:00ingested 2026-08-18 06:29

retained text

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

document fetched 2026-08-18 06:29 · canonical https://regulations.gov/document/EPA-HQ-OW-1986-0161-0136