1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

Metolachlor-2-hydroxy,100ng/µL in Acetonitrile,1ml

Aldrin, 100 µg/ml, Acetonitrile, 1ml