4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678380 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70594 Chlortoluron Price on request B3TBPPP Bis(3-tert-butylphenyl) phenyl phosphate, 1.2ml x 50ug/ml, toluene Price on request 80910 EPA Method 8091Mix #1 Price on request