Method 525.2 Solution B

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

TFNA-AM, 10mg

3-Fluoro-2,2',4,4',5,5',6-heptabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 876310-28-0