EPA Method 551.1 Internal Standard Back Catalog number: 30103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1347.7-K-AC 3,4-Dimercaptotoluene, 1000µg/mL, Solvent-acteone, Unit 1mL, # of units-1, Cas.no. 496-74-2 Price on request 3241.22-K-IO 13-cis,16-cis,19-cis-Docosatrienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28845-86-5 Price on request S-4321-2-EA Perdeuterated Internal Standard – PAH Mixture 9 1524,12 Acenaphthene-d10 [15067-26-2] 0389,14 Phenanthrene-d10 [1517-22-2] 1337,16 Fluoranthene-d10 [93951-69-0] 1087,18 Benzo[a]anthracene-d12 [1718-53-2] 1088,20 Benzo[a]pyrene-d Price on request