PCB No. 8 certified, 25mg

2,3',4,4',6-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 56558-17-9

Clindamycin hydrochloride,100 µg/mL,MeOH,1mL,

1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane