Introduction to Ionizing Radiation: Principle Isotopes in Sealed Sources


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Isotope	Physical Form	Types of Use	Half Life	Type
RA-226	Solid	Radiography Fire Alarm Vacuum Gauge	1620Y	Gamma Alpha
CS-137	Solid	Density Gauge	33Y	Gamma
CO-60	Solid	Radiography Bin Level	5.3Y	Gamma
IR-192	Solid	Radiography	75D	Gamma
KR-85	Gas	Thickness Gauge Switch Lamp	10Y	Gamma Beta
SR-90	Solid	Thickness Gauge	28Y	Beta