EPA Method 601 Internal Standard Back Catalog number: 19094 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59519 Metals Mix Price on request 675301 Chlorfenvinphos, 100 µg/ml, Acetonitrile, 5ml Price on request BDE-177 2,2',3,3',4',5,6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request