Disulfiram, 1000µg/ml in Acetonitrile, 1ml

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

Trace Nitrogen in Low Boiling Solvent

1,2,5,6,9,10-Hexabromocyclododecane, 100µg/ml in MeOH, 5ml