Semi-Volatile Mix #2

Disulfoton-sulfoxide, 100 µg/ml, Toluene, 1ml

2-Nitrodibenzothiophene,1000 µg/mL,isooctane,1mL,

2,2',3,3',4,5-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,