EPA Method 418.1 - TPH IR Standard Back Catalog number: 98245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1283.19-10MG 5 alpha(H)-Androstan-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1224-92-6 Price on request 41004 EPA Method 608Mix #4 Price on request 676813 Triazamate, 100 µg/ml, Acetonitrile, 1ml Price on request