Calibration Standard Mix 4

4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether,200 µg/mL,toluene,1mL,

2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane

1-Heptanol, 1ml