(-)-Cotinine, 25mg

2-Aminodipyrido[1,2-a:3',2’-d]imidazole Dihydrochloride, 5mg

2,2',3,3',4,5',6,6'-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 40186-71-8

Aromatic Petroleum Pollutant IS-Mixtures 3 Analytes each concentration as listed in toluene; units: 1x1mL, 5x1mL 1313.10 1-Fluoronaphthalene [321-38-0] 400 µg/mL 1316.14 3-Fluorophenanthrene [440-40-4] 200 µg/mL