2,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

Sulfur Standard 1 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4072 Diethyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

4,6-Dinitro-2-methylphenol

2',3',4',5'-Tetrachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene