EPA Method 8270C Pesticide Mix #25 Back Catalog number: 82723 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFTRDA Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 70437 Mirex Price on request 673686 Pyrazophos, 100 µg/ml, Ethyl acetate, 5ml Price on request