Dibromochloromethane, 100 µg/ml, Methanol, 5ml

1,4-Naphthoquinone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 130-15-4

3-Fluoro-2,2',4,4'-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-94-8

Citric acid [0.2% wt]