2,4-Dinitrotoluene-a,a,a-d3

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

Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol

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