EPA Method 515.3 - Derivatized acids Back Catalog number: 30151 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9685.8-K-IO Octamethylcyclotetrasiloxane, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 556-67-2 Price on request BDE-82 2,2',3,3',4-Pentabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 672873 Metsulfuron-methyl, 100mg Price on request