Wisconsin Administrative Code
Department of Agriculture, Trade and Consumer Protection
ATCP 90-139 - Trade and Consumer Protection
Chapter ATCP 139 - Consumer product safety
Section ATCP 139.07 - Poison labeling requirements
Current through February 26, 2024
The signal word "POISON", instead of any other signal word, shall be printed on the label of the following substances at concentrations indicated:
(1) Hydrochloric acid and any preparation containing free or chemically unneutralized hydrochloric acid (HCL) in a concentration of 10% or more.
(2) Sulfuric acid and any preparation containing free or chemically unneutralized sulfuric acid (H2SO4) in a concentration of 10% or more.
(3) Nitric acid or any preparation containing free or chemically unneutralized nitric acid (HNO3) in a concentration of 5% or more.
(4) Carbolic acid (C6H5OH), also known as phenol, and any preparation containing carbolic acid in a concentration of 5% or more.
(5) Oxalic acid and any preparation containing free or chemically unneutralized oxalic acid (H2C2O 4) in concentration of 10% or more.
(6) Oxalic acid salts, except ferrous oxalate, and any preparation containing any such salt in a concentration of 10% or more.
(7) Acetic acid or any preparation containing free or chemically unneutralized acetic acid (HC2H2O2) in a concentration of 20% or more.
(8) Hypochlorous acid, either free or combined, and any preparation containing the acid in a concentration that will yield 10% or more by weight of available chlorine.
(9) Potassium hydroxide and any preparation containing free or chemically unneutralized potassium hydroxide (KOH), including caustic potash and vienna paste (vienna caustic), in a concentration of 10% or more.
(10) Sodium hydroxide and any preparation containing free or chemically unneutralized sodium hydroxide (NaOH), including caustic soda and lye in a concentration of 10% or more.
(11) Silver nitrate, sometimes known as lunar caustic, and any preparation containing silver nitrate (AgNO3) in a concentration of 5% or more.
(12) Ammonia water and any preparation containing free or chemically uncombined ammonia (NH), including ammonium hydroxide and hartshorn, in a concentration of 5% or more.
