Hexaconazole, 100 µg/ml, Ethyl acetate, 5ml

2-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 344298-97-1

N-Nitroso-N-methylaniline, 100μg/ml in MeOH, 5ml

Methylmercury-chloride, 10µg/ml in AL, 10ml