Sitagliptin, 100µg/ml in Acetonitrile, 5ml

n-Hydrocarbon Standard (C5-C18), 2000µg/ml in MeOH, 1ml

2,3,4-Trichloro-6-(2,4-dichlorophenoxy)anisole (4,6-Dichloro-methoxytriclosan), 1.2ml x 50ug/ml, nonane

Nitrate & Nitrite as N