EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681299 Zearalanone, 10.0 µg/ml, Acetonitrile, 1ml Price on request DF-IS-H Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 675828 Desmetryn, 100 µg/ml, Toluene, 5ml Price on request