PCB No. 55, 100µg/ml in Isooctane, 1ml

Afidopyropen, 100 µg/ml, Acetonitrile, 1ml

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

2,2',3,5',6-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane