EPA Method 525 Surrogate Standard Back Catalog number: 93971 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679981 Diflufenzopyr, 100mg Price on request 10358.23-K-ME Flupentixol dihydrochloride (cis+trans), 1000µg/ml in MeOH, 1ml Price on request 682108 D8-N-Nitrosobis(2-hydroxyethyl)amine, 10mg Price on request