EPA Method 8240A Mix #3

2,2',3,3',4,5,5',6,6'-Nonachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,3',5,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

2,2',4,5,6'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,