Form: This specification covers mixtures of methyl alcohol and/or ethyl alcohol with water in the form of liquids. Application: This alcohol-water mixture has been used typically as an additive to prevent freezing of water used in aircraft power plant injection systems@ but usage is not limited to such applications. Classification: Alcohol mixtures covered by this specification are classified as follows: Type 1@ Type 2@ Type 3@ or Type 4 depending on composition as listed in 3.1. Safety-Hazardous Materials: While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved. Precautions: THIS MATERIAL IS A DEADLY POISON IF TAKEN INTERNALLY. It cannot be made nonpoisonous. Avoid prolonged breathing of vapor. It is unlawful to use this fluid in any article of food@ beverage@ or medicinal or toilet preparation for human use.