Atenolol, 100 µg/ml, Acetonitrile, 5ml

PCB No. 29, 10μg/mL in Isooctane, 10ml

3-Ethyl-3-methylpentane

Diindeno[4,3,2,1-cdef;1',2',3'-hi]chrysene,neat,neat,ca. 0.1mg,