EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA11340100DO Chlormequat-chloride D4, 100µg/mL in DO, 1ml Price on request 2664.12-50-IO 2,4,5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 115245-07-3 Price on request 34081 Ethyl methacrylate Price on request