Atrazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1912-24-9

Bromoform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-25-2

Dichlorvos, 10.0 µg/ml, Ethyl acetate, 10ml

24-Ethylcholest-5-en-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 83-46-5