2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

(13C12)Dieldrin, 1.2mL x 100ug/mL, nonane

2-Bromochlorobenzene