EPA Method 528 Fortification Solution Back Catalog number: 93245 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-LCS-O Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request 18000-1140-100ME5 Theobromine, 100µg/ml in MeOH, 5ml Price on request 1225.12-K-IO Diethyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-66-2 Price on request