EPA Method 8021B Mix #3 Back Catalog number: 80210 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-A40 Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane Price on request 12035.19-K-AN 4-ANPP,1000 µg/mL,acetonitrile,1mL, Price on request 79230 n-Tetracosane Price on request