Environmental levels of radioactivity at Atomic Energy Commission Installations. 2. Bettis Atomic Power Laboratory, Janurary-December 1972. [electronic resource] - Radiation data and reports Aug 1974 - 537-43 p. digital Publication Type: Journal Article ISSN: 0091-6722 Subjects--Topical Terms: Air Pollution, Radioactive--analysisCesium Isotopes--analysisNuclear ReactorsPennsylvaniaRadiation DosageRadiation MonitoringRadioactive Pollutants--analysisRadioisotopes--analysisSoil--analysisStrontium Radioisotopes--analysisThermoluminescent DosimetryWater Pollution, Radioactive--analysis