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How Much Alcohol Can You Drink Before You’ll be Over the Legal Limit to Drive?
Find out about how many drinks it will take to put your blood alcohol concentration (BAC) above the legal limit to drive
What Does "BAC" Stand For?
Find out about what BAC means in terms of DUI law.
DUI Implied Consent Laws and Chemical Testing
When DUI implied consent laws require drivers to submit to blood, breath, or urine testing, and the consequences a driver faces for refusing a test.
DUI and DWI Tests for Alcohol or Drugs: Are They Accurate?
Learn about the reliability of breathalyzer, blood, and urine tests for DUIs and DWIs.
DUI Testing: Breath, Blood, and Warrants
In 2016, the U.S. Supreme Court held that laws that make it a crime to refuse a blood test after a DUI arrest are unconstitutional.
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DUI Breath Alcohol Tests
How law enforcement uses breathalyzers (PAS and EBT devices) to detect and prosecute DUI/DWI offenders.