Norflurazon, 100 µg/ml, Ethyl acetate, 5ml

2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Perfluoro-n-[1,2,3,4,5-13C5]nonanoic acid, 1.2ml x 50ug/ml, methanol

Surrogate Standard