PCB No. 157, 10µg/ml in Isooctane, 10ml

n-Hexane, 1000µg/ml in MeOH, 1ml

2,4’,5-Trichlorobiphenyl (31)

2,2',3,6,6'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,