Copper - 20 PPM

Diisodecyl phthalate (Mix of Isomers)

1.2,3.4,5.6,7.8-Tetra(peri-naphthylene)anthracene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 191-54-8

Sulfur, 15µg/g (0.0015 wt%) in Diesel Fuel, 100ml