trans-Nonachlor, 10µg/mL in Cyclohexane, 10ml

Bis(4-hydroxyphenyl) Sulfone (d4major), 2,5mg (Bisphenol S-d4)

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

D8-Benzidine, 10mg