EPA Method 502/524 Fortification Solution Back Catalog number: 32005 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 14641.9-K-ME 4-Hydroxyamphetamine HCl, 1000µg/ml in MeOH, 1ml Price on request DF-IS-G40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request ACQ-AQ11-030 Ethanol standard in water,1.1g/L,water, 3mL Price on request