Atenolol, 100 µg/ml, Methanol, 1ml

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

alpha-Hydroxymetoprolol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-16-6

Tris(1,3-dichloro-2-propyl) phosphate, 1.2ml x 50ug/ml, toluene