N-Nitrosodiethanolamine, 100mg

(-)-Nicotine, 10 µg/ml, Methanol, 10ml

2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2

Profenofos, 100 µg/ml, Acetonitrile, 5ml