IC Standard 1B

2,2',3,3',4,4',5-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-30-6

Octachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

4,4’-Dichlorobenzophenone