EPA Method 507 Pesticides Back Catalog number: 95463 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675317 Aminopyralid, 100 µg/ml, tert-Butyl methyl ether, Price on request 1579.4-10MG Metformin hydrochloride Price on request 1959.16-KIT Single 16 EPA-PAH Kit (Neat), 10mg, neat, Solvent-neat , Unit Kit, # of units-, Cas.no. Price on request