4-n-Nonylphenol-mono-ethoxylate, 100 µg/ml, Aceto

Perfluoro-n-[1,2,3,4,5,6,7-13C7]undecanoic acid, 50µg/ml in MeOH, 1,2ml

Cyphenothrin, 100 µg/ml, Cyclohexane, 5ml

2,2',4,6'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,