Volatile Mix #2

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 10x10mL

Benzyldimethyldodecylammonium chloride, 10.0 µg/ml

2,3,4,7,8-Pentabromodibenzofuran