EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3874.3-K-ME 3-Chloro-1,2-propane-d5-diol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 342611-01-2 Price on request 675378 Allethrin, 100mg Price on request SCP150-100-135 CONOSTAN 1000ppm Standard, Al, 50g Price on request