EPA Method 502.1 - Liquids Back Catalog number: 30008 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-1668LCS Labelled Compound Stock Solution, 1.2ml, nonane Price on request 72102 L-Asparagine Price on request 2374.9-K-IO 4-Ethylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2785-89-9 Price on request