Also Called: Polybrominated biphenyls (PBB);FIREMASTER FF-1;Polybrominated biphenyl (Fire Master BP-6 (Polybrominated biphenyl mixture (Br5-7)) and Fire Master FF-1 (2% calcium polysilicate (anti-caking) added Fire Master BP-6));Polybrominated biphenyls (PBBs);Polybrominated biphenyls