Method 525.2 Solution B

2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52663-79-3

Toltrazuril, 100mg

N-Nitrosodiisopropylamine,100 µg/mL,MeOH,1mL,