EPA Method 8240A C Back Catalog number: 22002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682627 N,N'-Diethylcarbanilide, 500mg Price on request BR-PFNA Perfluorononanoic acid with branched isomers, 50µg/ml in MeOH, 1,2ml Price on request TFA Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml Price on request