EPA Method 507 - Internal Standard Back Catalog number: 19031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9077 2,6-Dichlorophenol Price on request 673751 Butafenacil, 100 µg/ml, Ethyl acetate, 5ml Price on request 11700.12-100-IO 2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request