EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79414 N,N-Diethylaniline Price on request 676998 Dimethylpyrazolon (DP), 25mg Price on request BR-PFOSK L-PFOSK with branched isomers, 50µg/ml in MeOH, 1,2ml Price on request