EPA Method 502/524 Surrogate Standard #2

Temephos-d12 (O,O,O',O'-tetramethyl-d12), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219795-39-7

5,5'-Difluoro-2,2',4,4'-tetrabromodiphenyl ether (2,2',4,4'-Tetrabromo-5,5'-difluorodiphenyl ether), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 886748-32-9

tert-Butyl ethyl ether + blank RFA, 10Wt%, Solvent-neat, Unit 10mL, # of units-2+1, Cas.no. 637-92-3