Potassium sorbate, 250mg

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

2,2',3,3',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

3,4-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 95-77-2