2,2',3,3',4,5',6,6'-Octachlorobiphenyl (201)

4,5-Dichloroveratrole , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2772-46-5

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

Piperophos, 100 µg/ml, Acetonitrile, 1ml