Chloroparaffin C14-C17 57% Cl, 100µg/mL in CY,10ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL

Anions Mix #1

Metoprolol Acid, 10mg