EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9404.24-K-ME Carvedilol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 72956-09-3 Price on request 3361.14-K-ME 2,4'-DDE Price on request VHG-DSLFD-10PW-10 10% (w/w) Devol.Diesel Fuel in 75 cSt Hydrocarbon Oil, 100ml Price on request