2,2',3,3',5-Pentachlorobiphenyl (83)

3-Perfluoropentyl propanoic acid (5:3), 50µg/ml in MeOH, 1,2ml

4 Deuterated Compounds Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 16.7 Naphthalene-d8 8.8 Ethylbenzene-d10 16.5 Toluene

N-Nitrosopiperidine, certified, 25mg