EPA Method 525 - Internal Standard Back Catalog number: 30031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1857.10-K-IO 5-Methylindan, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 874-35-1 Price on request L20785000CY 3,6-Dimethylphenanthrene, 10 ng/µl, 10ml Price on request 72033 Phenyltin trichloride Price on request