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

Ethalfluralin, 10.0 µg/ml, Ethyl acetate, 10ml

PAH-Mix 9 deuterated, 100µg/mL in Cyclohexane, 1ml

1,2,3,7,8-Pentachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene