Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Radioactivity levels of the Columbia River below Richland, Washington, January-March 1956

Technical Report ·
OSTI ID:5575767
In the Columbia River downstream from Richland, Washington, there is a gradual decrease in concentration of radioactive isotopes. At any one location there are fluctuations due to factors such as dilution and decay time. During this period at all locations the concentration of alpha particle emitters in water averaged below the detection limit. In mud, all alpha particle emitter concentrations were below the detection limit. Beta particle emitters in water upstream of McNary Dam increased by a factor of 1.5 to 2, but in river mud the average was about 2/3 that during the previous quarter. Downstream from McNary Dam, beta particle emitter average concentrations in water were about the same as those during the past three quarters.
Research Organization:
General Electric Co., Richland, WA (USA). Hanford Atomic Products Operation
OSTI ID:
5575767
Report Number(s):
HW-45983
Country of Publication:
United States
Language:
English