EPA Method 8240A Mix #2

4,4'-Dibromobiphenyl-d8,100 µg/mL,isooctane,1mL,

2,4,4'-Trichlorobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7012-37-5

1,2,5,6-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane