The Driver's Guide To DUI - The Breath Machine

How Breathalyzers Work
An excellent explanation of the theory and operation of breath testing devices for the layman.

Introduction to Forensic Toxicology
Good overview of the science of analyzing poisons — including blood-alcohol analysis.

Breath Testing Machines
Very basic discussion of the most common methods of breath analysis, from the National Highway Traffic Administration.

Intoxilyzer 5000
The homepage of the manufacturer of one of the most commonly used breath machines.

Drunk Driving Guide Sections


The Drunk Driving Laws

License Suspensions and Driving Records

License Suspension Hearing

Finding a DUI Attorney

California's Courts and DMV

Detection and Investigation

Estimating Your Blood-Alcohol Level

The Breath Machine

Auto Insurance

Auto Insurance: California


Prevention and Help

Pilot's DUI's and the FAA

Driver's Guide to DUI Index