Simetryn, 100µg/ml in Acetonitrile, 1ml

S-4543-20-DCM-5X1ML Naphthalene Mix, 20µg/mL in dichloromethane, 5 x 1ml

n-Hydrocarbon Mix C8 - C40, 2000µg/ml in MeCl2 : CS2 [3:1], 1ml

Organonitrogen Pesticides Mix,0.1mg/mL in MeOH,1ml