EPA Method 552 Internal Standard Back Catalog number: 30055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50757 ICP CLP Mix Price on request 673576 Etofenprox, 100 µg/ml, Ethyl acetate, 5ml Price on request TCS 5-Chloro-2-(2,4-dichlorophenoxy)phenol, 1.2ml x 50ug/ml, nonane Price on request