2-Quinoxalinecarboxylic acid, 100mg

delta-HCH, 100 µg/ml, Ethyl acetate, 5ml

1,4-Dioxane

2,2',3,3',4,5,5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 68194-17-2