EPA Method 505Mix Back Catalog number: 92161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92213 8151MDL B Price on request 43014 1-Fluoronaphthalene Price on request 1847.12-500MG 2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 2169-87-1 Price on request