2,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678377 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-513LCSS Labelled TCDD/TCDF Spiking Solution, 1.2ml, nonane Price on request 70660 Diquat, 1000µg/ml in Water, 1ml Price on request 51134 GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml Price on request