Bisphenol S-13C12, 1mg

2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

PAH Calibration solution CS4, in IO/TO, 1ml

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63466-71-7