2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673535 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MPN-72 1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 677898 Aldrin, 100 µg/ml, Acetonitrile, 1ml Price on request 2125.12-100-IO Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request