R313-12-40. Units of Radioactivity

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For purposes of these rules, activity is expressed in the SI unit of becquerel (Bq), or in the special unit of curie (Ci), or their multiples, or disintegrations or transformations per unit of time.

(1) One becquerel (Bq) equals one disintegration or transformation per second.

(2) One curie (Ci) equals 3.7 x 10¹⁰ disintegrations or transformations per second, which equals 3.7 x 10¹⁰ becquerel, which equals 2.22 x 10¹² disintegrations or transformations per minute.

                    
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