EPA Method 551.1 Performance Check Sol’n Back Catalog number: 30115 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681242 Pefurazoate, 5mg Price on request N-MEFOSA-M N-methylperfluoro-1-octansulfonamide, 50µg/ml in MeOH, 1,2ml Price on request 3083.11-K-IO 2,8-Dimethylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1463-17-8 Price on request