EPA Method 525Mix #2 Back Catalog number: 92704 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-123678-S 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 672856 Furazolidone, 250mg Price on request MBP-MXE Mass-Labelled PCB Solution/Mixture, 1.2ml, nonane Price on request