EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10520.10-100-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),100 µg/mL,acetonitrile,1mL, Price on request BDE-128 2,2',3,3',4,4'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 678197 Lepimectin, 100 µg/ml, Acetonitrile, 1ml Price on request