EPA Method 525 Internals & Surrogates

4'-Fluoro-2,3,3',4,5,6-hexabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 863314-88-9

2,4-Dibromophenol

Clozapine-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 204395-52-8