4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2129.12-10-IOX5 Arochlor 1260 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11096-82-5 Price on request 2219.28-10MG Bisanthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 190-39-6 Price on request EPA-8280ISB Additional Internal Standard Solution, 1.2ml, toluene Price on request