PAH-Mix 4, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 683866 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3321.6-100-AN delta-HCH (BHC) Price on request 0029.22-200-T Pentaphene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 222-93-5 Price on request 82483 EPA Method 8325 Surrogate Standard Price on request