Tetrasul, 100 µg/ml, Ethyl acetate, 5ml

Naphthalene-d8, 1000µg/ml in MeOH, 1ml

2,3,6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

2,3,4,5,6-Pentachlorophenol-13C6