EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M7PFUDA Perfluoro-n-[1,2,3,4,5,6,7-13C7]undecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 98858 Formaldehyde-DNPH Level 1 (0.1ug/mL) Price on request 10741.14-100-ME 4,4'-DDMU Price on request