Thymine

1,2,3,6,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

6-Nitrochrysene-d11, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203805-92-9

2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,