PCB No. 167, 10µg/ml in Isooctane, 10ml

1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL,

4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1

Nitrocellulose