Heptachlor endo-epoxide, 100 µg/ml, Methanol, 1m

Benzene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 71-43-2

2-n-Butylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4265-27-4

Dichloromethane