Mass-Labelled PCDD/PCDF Solution/Mixture , 1.2ml , nonane

3,7-Dimethyl 2H-Furo[2,3-c]pyran-2-one >90%, 1mg

Meprobamate

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