EPA Method 8270C Mix #27 Back Catalog number: 91006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673637 Methidathion, 10 µg/ml, Ethyl acetate, 10ml Price on request 673758 Chlorbromuron, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 32711 2,3-Dimethylbutane Price on request