PSA-C18-Mix 1

2,4,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

TBECH Isomeric Solution/Mixture, 1.2ml, toluene

4-tert-Butylphenyldiphenyl phosphate,100 µg/mL,isooctane,1mL,