Dibenzo-p-dioxin-d8,50 µg/mL,n-nonane,1mL,

n-Heneicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-94-7

1D,1D,2H,2H-1-Hydroxyperfluorohexane,50 µg/mL,MeOH,1mL,

Nitrate (NO3-) as N