LAC 55:I.591. Reagents and Supplies

A. All drugs used for the preparation of reference drug standards shall be commercially purchased and shall be traceable to a certificate of analysis indicating that it has met the manufacturer's acceptable specifications for use. Purity of chemicals used in the analytical procedures shall be at least reagent grade as recognized by the American Chemical Society and water shall be distilled or de-ionized. B. All instrument reagents shall be prepared in accordance with the manufacturer's instructions.