TFNG, 25mg Back Catalog number: 680511 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0816.14-K-IO Phenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 85-01-8 Price on request 33007 EPA Method 524.2 Volatiles Price on request 23005 Acid Surrogate Standard Price on request