Internal Standard Solution, 1.2ml, nonane

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL in MeOH, 1ml

2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane

N-Nitrosodiethylamine-d10, 1000µg/ml in dichloromethane, 1ml