Atrazine, 100 µg/ml, Acetonitrile, 5ml

Formaldehyde, 1000µg/ml in MeOH, 1ml

Phenylbutazon, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 50-33-9

4,4'-Dibromobiphenyl-d8,100 µg/mL,isooctane,1mL,