PCB No. 28, certified, 10mg

Methyl hexanoate (Methyl caproate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-70-7

1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

D3-Antipyrine, 10mg