Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml

D4-1,2-Dichloroethane, 2000 µg/ml, Methanol, 1ml

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17851-53-5

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