2,3-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL,

1,2,4,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

2,2',3,4',5',6-Hexachlorobiphenyl (149)

Ethyl 4-hydroxybenzoate