A megarad plastic film dosemeter.
D002254:Carbonates; D003037:Cobalt Radioisotopes; D004307:Dose-Response Relationship, Radiation; D008722:Methods; D010969:Plastics; D011829:Radiation Dosage; D011874:Radiometry / Q000295:instrumentation*; D013696:Temperature
D002254:Carbonates; D003037:Cobalt Radioisotopes; D010969:Plastics