2,3,7-Tribromodibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

1H-Cyclopenta[l]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 235-92-7

1,1,1,3,10,11-Hexachloroundecane,100 µg/mL,acetone,1mL

Nitrate (NO3-) as N