EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20785000CY 3,6-Dimethylphenanthrene, 10 ng/µl, 10ml Price on request 71845 2-Methyl-1-butanol Price on request 677729 4-Methylphenol, 500mg Price on request