EPA Method 525 Internals & Surrogates Back Catalog number: 91161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-188 2,2',3,4',5,6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 2314.9-100 Monuron, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 150-68-5 Price on request 79419 1-Methylaphthalene Price on request