2,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679460 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 82515 EPA Method 8250 - Acid Matrix Spiking Solution Price on request 677342 Nonafluoro-1-butanesulfonic acid, 50 µg/ml, Metha Price on request 1965.12-50-IO 2,3',4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-62-6 Price on request