Mercury (Hg)

Bis(2-ethylhexyl)-3,4,6-tribromo phthalate,50 µg/mL ,toluene,1mL,

4-Chloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',3,3',4,5,6'-Heptachlorobiphenyl