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License 34-24573-01 for Heffner Const Co,authorizing use of 10 mCi Cs-137 & 50 mCi Am-241 in Troxler Series 3400 moisture/density gauge to measure moisture/density of const matls & 10 mCi Cs-137 in Troxler Model 4640 density gauge.

Accession Number: ML20198E947

Date Released: Monday, October 28, 2024

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• ML20198E959 - Forwards License 34-24573-01.Condition 18 added re use of film badges & frequency of badge exchange.Certain model numbers for Cs-137 sources changed to represent correct model numbers. (2 page(s), 10/2/1985)
• ML20198E970 - Forwards application for license,authorizing use of licensed matl in Troxler Model 4640 to test airport runway asphalt density at Port Columbus Airport. (1 page(s), 8/12/1985)
• ML20198F002 - Application for license,authorizing use of 9 mCi Cs-137 in Troxler Model 4640 surface density gauge & 44 mCi Am-241:Be & 9 mCi Cs-137 in Troxler Model 3411 surface moisture/ density gauge.Fee paid. (6 page(s), 9/12/1985)