alpha-Endosulfan, 100 µg/ml, Methanol, 1ml

n-Heptyltin trichloride, 10.0 µg/ml, t-Butylmethy

PCB No. 81, 10µg/ml in Isooctane, 10ml

3-Chloro-1,2-propandiol-1-monogadolenate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.