KCl, trans-Aconitic acid & Na Phosphate Mix

2,2',3,3',4,5',6-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

4,4'-DDT (ring-13C12), 100ug/ml in n-Nonane, 1,2ml

3,4,5-Trichlorophenol