Mescalero-Chiricahua Apache is a family of languages that is spoken in Oklahoma and New Mexico. The Oklahoma language is in dire need of assistance; while most Indigenous languages in North America are in danger of extinction, this one has as few as three native speakers remaining.
Basic problems with corrosive chemicals... Corrosive: A chemical, (solid, liquid or gas), that can cause destructive damage to body tissues at the site of contact. It can cause severe burns to the skin and can eat through clothing, metal and other materials.
What is a corrosive hazardous waste? Corrosive hazardous waste are typically acids (such as hydrochloric or sulfuric acids) and caustics (such as sodium hydroxide). A waste is corrosive under RCRA it is: Aqueous and has a pH less than or equal to 2.0 or greater than or equal to 12.5.