3-Ethyltoluene, 200 µg/ml, Methanol, 1ml

Internal Standard Spiking Solution, 1.2ml, nonane

2-(4-Fluorophenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-17, Cas.no. 324-27-6

Nitrite as NO2-, 1000µg/ml in water, 100ml