EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12140.10-100-ME Etrimfos,100 µg/mL,MeOH,1mL, Price on request 10422.6-10MG 2,3,4,5,6-Pentachlorophenol-13C6 Price on request 679836 Tris-(2-butoxyethyl)phosphate, 100 µg/ml, Methano Price on request