Working level (WL) is a historical unit of concentration of radioactive decay products of radon, applied to uranium mining environment. One working level refers to the concentration of short-lived decay products of radon in equilibrium with 3,700 Bq/m3 (100 pCi/L) in air. These decay products would emit 1.3 × 105 MeV in complete decay. The Nuclear Regulatory Commission uses this definition. Working level month (WLM) is a closely related quantity, referring to exposure to one working level for 170 hours per month. This comes from assuming a 40-hour work week. In 2002, the NRC regulations limited exposure in mines to 0.3 WL, which was comparable with the standards of International Commission on Radiological Protection at the time. (Wikipedia).
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From playlist Critical Skills For Today
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From playlist Your Career
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From playlist Find Your Value
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From playlist Beginning a New Career
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From playlist Working at MathWorks
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From playlist Behind the Scenes in Real-Life Software Design
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From playlist Job Success
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From playlist Create A Mobile Game Like Toon Blast In Unity
How To Create A Puzzle Game In Unity | Session 03 | #unity | #gamedev
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From playlist Algorithms 1
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From playlist Scaled Agile Framework (SAFe) Videos | Edureka
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From playlist Creating Game Prototypes In Unity
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From playlist Create Angry Birds Style Mobile Game In Construct 3
22. Public Transportation Systems
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From playlist MIT 1.258J Public Transportation Systems, Spring 2017