Cyclopenta[cd]pyrene,200 µg/mL,toluene,1mL,

Hexanoic acid, 1000µg/ml in Water, 1ml

2,4-D, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 94-75-7

N-Nitrosodiisopropylamine, 100 µg/ml, Methanol,