4,4'-DDE, 100 µg/ml, Toluene, 5ml Back Catalog number: 675841 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 95407 Aroclor 1260 & Tetrachloro-m-xylene Price on request 1728.15-K-IO 3-Methoxyphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 835-06-3 Price on request L20005200IO PCB No. 52, 10µg/mL in Isooctane, 10ml Price on request