105 CMR, § 120.015

Current through Register 1536, December 6, 2024

Section 120.015 - Units of Activity

For purposes of 105 CMR 120.000, 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.

(A) One becquerel (Bq) = 1 disintegration or transformation per second (dps or tps).

(B) One curie (Ci) = 3.7 x 10¹⁰ disintegrations or transformations per second (dps or tps) = 3.7 x 10¹⁰ becquerel (Bq) = 2.22 x 10¹² disintegrations or transformations per minute (dpm or tpm).

105 CMR, § 120.015