Call Mark Thiessen The Texas Trial Attorney at: 713-864-9000br Thiessen Law Firmbr 1221 Studewood St.br Houston, TX 77008br Visit my youtube page for more helpful DWI tips.br .08 Alcohol is the definition or the legal standard of intoxication in Texas. You can either find that through breath when they measure 210 liters of air or in blood when it is measured against 100 milliliters of blood.