PCB No. 81, 10µg/ml in Isooctane, 10ml

Tritosulfuron, 100 µg/ml, Acetonitrile, 5ml

Purified asfalthenes from North Sea Oil, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.

4-Methyl-2,2',5,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.