Perfluoro-n-octanoic acid, 1.2ml x 50ug/ml, methanol

2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

beta-Cypermethrin

2,7-Dichloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2198-77-8