Chlorimuron-ethyl, 100 µg/ml, Acetonitrile, 5ml

2,2',3,4,4',5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 35065-28-2

Benz[a]anthracene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1718-53-2

Multi-Element Internal Std., 10ug/ml, 4x25ml