One 2 mL flame-sealed ampule yields up to 2 liters after dilution. Contains a subset of the analytes listed below at 30-200 µg/L.

Benzoic acid
4-Chloro-3-methylphenol    
2-Chlorophenol    
2,4-Dichlorophenol    
2,6-Dichlorophenol     
2,4-Dimethylphenol    
4,6-Dinitro-2-methylphenol    
2,4-Dinitrophenol    
2-Methylphenol    
4-Methylphenol    
2-Nitrophenol    
4-Nitrophenol    
Pentachlorophenol    
Phenol    
2,3,4,6-Tetrachlorophenol
2,4,5-Trichlorophenol    
2,4,6-Trichlorophenol