2,2’,3,4,6’-Pentachlorobiphenyl (89)

Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml

Di-n-propyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL

Chloroparaffin C11 65.25% Cl, 10μg/mL in CY, 1ml