2-Nitrotoluene, 100 µg/ml, Methanol, 5ml

Nitrate as NO3-, 1000µg/ml in water, 100ml

L-Histidine hydrochloride monohydrate, 250mg

Dibenz[a,h]anthracene-d14, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13250-98-1