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The Indiana State Department of Toxicology (ISDT) has 209 breath test instruments strategically located throughout Indiana as noted in the map below. These instruments are inspected, serviced, and certified by ISDT breath test inspectors. This process is supported by fees paid by host agencies. Using these instruments, local officers conduct approximately 25,000 breath tests every year. There are approximately 4,900 state, county, and local officers who are certified breath test operators in Indiana. Indiana Administrative Code 260 requires that a certified breath test operator be recertified every two years.
Breath Test Instruments by County