4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

N-Nitrosodi-n-butylamine-d18, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 1219798-82-9

3-Perfluoroheptyl propanoic acid (7:3), 1.2ml x 50ug/ml, methanol

Perfluorononanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 375-95-1