Becquerel (Bq) 10 : The SI derived unit of activity being one radioactive disintegration per second of time. The relationship to the traditional special unit, the curie (Ci) is 1 Bq = 2.70 x 10-11 Ci
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}