jhun guarico
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Our source is iradium 192 what is the calculation or formula for the safe distance for unshielded source ?
Calculating Safe Distance for Unshielded Iridium-192 Source in Radiography
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jhun guarico
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Our source is iradium 192 what is the safe distance for unshielded source , any formula or calculation
daveb
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You can use the specific gamma constant, which is only good for point sources or for distances far from distributed sources. The gamma constant for Ir-192 is 4.8 R-cm^2/hr mCi, and the formula is Exposure rate = Gamma*Activity/distance^2.
seycyrus
I'm curious, don't you have health physicists with spreadsheets to give you those numbers?
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