4-Hydroxybenzoic acid, 1000µg/mL in MeOH, 1ml

2,2',3,3',4,5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Method 6020Mix A

2,6-Dichlorodibenzofuran, 1.2ml x 50ug/ml, nonane