สิ่งแวดล้อม มลภาวะ ของเสีย
เอกสารมาตรฐาน
สหรัฐอเมริกา
APHA
SMWW 7120
Gamma-Emitting Radionuclides
2023
10
Standard methods for the examination of water and wastewater (543.3 APHA 24th ed. Ref. Treatises&monographs FL2)
Water may contain gamma-emitting radionuclides from a variety of sources. Naturally occurring radionuclides from terrestrial and cosmogenic sources may enter groundwater and surface water via precipitation, erosion, geochemical processes, or industrial activities (e.g., those related to mining and refining geologic material)...