4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673538 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50792 Ammonium as N Price on request 19106 EPA Method 610 PAH Mix, in MeCH:MeOH, 1ml Price on request BB-205 2,3,3',4,4',5,5',6-Octabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request