Trimethoprim, 100 µg/ml, Methanol, 1ml

Ethyl-ß-D-6-glucuronide, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17685-04-0

2,2’,4,4’,6,6’-Hexachlorobiphenyl (155)

2,4-Dibromodibenzofuran, 1.2ml x 50ug/ml, toluene