Toluene D8, certified, 0.5ml

PAH Mix-25, 2000ng/µl in Acetone/Benzene, 1ml

Tetrachloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2539-17-5

beta-Cypermethrin