EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13400-3690-100ME5 2,4,5-Trichloroaniline, 100µg/ml in MeOH, 5ml Price on request 50123 Multi-Elements Mix Price on request 677943 n-Heptyltin trichloride, 1000 µg/ml, Methanol, 5 Price on request