EPA Method 8260B - Purgeable Internal Std Back Catalog number: 22013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52319 Multi-Element Internal Std., 10ug/ml, 4x25ml Price on request 44002 EPA Method 601Mix #2 Price on request 10625.12-50-NN 2,3,7,8-Tetrachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request