Simazine, 100 µg/ml, Acetonitrile, 5ml

3,4-Dichlorophenol, 250mg

2,2',3,4,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

CoronCoronene-d12, 100µg/ml in Toluene, 1ml