Precise definitions of navigable waters of the United States or navigability are ultimately dependent on judicial interpretation and cannot be made conclusively by administrative agencies.
Formaldehyde Poisoning is a disorder brought about by breathing the fumes of formaldehyde. This can occur while working directly with formaldehyde, or using equipment cleaned with formaldehyde. Major symptoms may include eye, nose, and throat irritation; headaches; and/or skin rashes.
These keratin treatment side effects can lead to damage of nervous system, blurred vision, headache, mood change, insomnia, and lack of concentration. According to the Health and Safety policy, formaldehyde is classified as carcinogen which is linked with nasal and brain cancer.