EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9340.3-K-ME Glycerol-d5, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 62502-71-0 Price on request 52133 Multi-Element Sol.1, 10µg/mL in 5%HNO3 /H2O, 100ml Price on request 58847 Silver (Ag) Price on request