EPA Method 531.1 Individual Analytes Back Catalog number: 31241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X749692 2,4-Xylidine-d6, 10mg Price on request 9365.14-100-IO Di-n-propyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-29-0 Price on request 53043 Calibration Standard Mix 1 Price on request