4,4'-DDE, 100mg Back Catalog number: 674983 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11661.10-50-IO 1,6-Dichloronaphthalene,50 µg/mL,isooctane,1mL, Price on request 82508 EPA Method 8250/8250A Cal Check Cmpds Acids Price on request DF-IS-E200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request