EPA Method 552,552.1,552.2 Internal Std

2,4-Dichlorophenylacetic acid methyl ester

2,2',3',4,6-Pentachlorobiphenyl (98)

4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 876310-29-1