2,3,5-Trichlorobiphenyl (BZ-34)

Semi-volatiles internal standard

1,2,5,6,9,10-Hexabromocyclododecane, 1000µg/ml in Toluene, 1ml

2,2',3,4',6,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,