Disulfoton sulfone, 1000µg/ml in MeOH, 1ml

Nonylphenol (technical), 250mg

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

Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 1.2ml x 50ug/ml, methanol