1,2,3,4,6,7-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Diflufenican, 100mg

Benzo[ghi]perylene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-66-7

Di-p-tolylphenyl phosphate,100 µg/mL,isooctane,1mL,