2,4,5,6-Tetrachloro-m-xylene, 100µg/ml in MeOH, 5ml

Cythioate, 100 µg/ml, Methanol, 1ml

L-Histidine hydrochloride monohydrate, 250mg

2,2',3,3',5,5',6,6'-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL,