EPA Method 8330Mix #1 Back Catalog number: 91874 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0921.15-500-IO Guaiazulene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 489-84-9 Price on request XA11940200AC 2,4-D 13C6, 100µg/ml in Acetone, 1ml Price on request 0953.10-K-IO 2,4-/2,6-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102035-96-1 / 66142-67-4 Price on request