Citric acid [0.2% wt]

Ammonium- Nitrate-Nitrite in brine

3,3,4-Trichlorobiphenyl (BZ-35)

Dinaphtho[1,2-b;2',3'-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-90-7