EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3248.8-K-ME 2,3,3-Trimethylpentane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 560-21-4 Price on request 9759.24-10MG 2-Ethylhexyl n-octyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3461-26-5 Price on request 679306 D4-Difenoconazole, 100 µg/ml, Acetonitrile, 1ml Price on request