2,2',3,3',4,6,6'-Heptachlorobiphenyl

1-Naphthol-d7 (d6Major), 10mg

N-Nitrosodimethylamine NDMA, 100 µg/ml, Methanol,

Sodium 1H,1H,2H,2H-perfluorododecane sulfonate (10:2), 50µg/ml in MeOH, 1,2ml