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

Siloxane - Mix 8, 100µg/ml in Acetone, 5ml

17 alpha(H),21ß(H)-(22RS)-Bishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-50-0

Di-n-octyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 93952-13-7