Dibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Biphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92-52-4

PCB Congeners - Loamy Sand, 50g

3-Indoleacetic acid, 250mg