2,4-DB-2-ethylhexyl ester, 250mg

Calibration Standard Mix 2

4,4'-(1,4-Phenylenediisopropylidene)bisphenol, 1.2ml x 50ug/ml, methanol

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