Endothall-3,4,4,5,5,6-d6 hydrate (93% D),100 µg/mL (as water-free acid),MeOH,1mL,

2-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-32-4

Nitrate as NO3-, 1000µg/ml in water, 100ml

2,3,5,6-Tetrachlorobiphenyl (65)