EPA-1137-1
3-Nitroaniline
3-Nitroaniline
4-Nitroaniline
Nitrobenzene
2-Nitrophenol
4-Nitrophenol
N-Nitrosodimethylamine
N-Nitrosodiphenylamine
5-Nitro-o-toluidine
Pentachloronitrobenzene
Pentachlorophenol
Phenacetin
Phenol
2-Picoline
1,2,4,5-Tetrachlorobenzene
Toxaphene
2,4,6-Trichlorophenol
Heptachlor epoxide, isomer B
Bensulide Standard
Oryzalin
Bentazon
Picloram
Atrazine
Desethylatrazine
Hexazinone