2,2',3,4,4',5,5',6-Octachlorobiphenyl (203)

Method 525.2 Solution B

Dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Nicotinic acid, Stock solution system check EN12260, 1000µg/mL, Solvent-water, Unit 75mL, # of units-1, Cas.no. 59-67-6