All P&I Club bulletins & Circulars regarding Calcium Hypochlorite is linked here below
Loss Prevention Bulletins
759 – 04/11 – Calcium Hypochlorite frequently asked questions – International Group of P&I Clubs
108 -09/99 – Calcium Hypochlorite (Hydrated) – Update
57 – 07/98 – Calcium Hypochlorite (Hydrated) – Threat of Explosion – Urgent Preliminary Advice
Club circulars
Circular 13/00: Carriage of Calcium Hypochlorite
Carefully to Carry documents