EPA Method 531.1 - Analytes Mixture Back Catalog number: 33042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA11940200AC 2,4-D 13C6, 100µg/ml in Acetone, 1ml Price on request 3749.6-250MG 1,3,5-Trichlorobenzene,neat,neat,250mg, Price on request P837000 Propyl Gallate, 1g Price on request