Tag Archives: evidential breath testing

Athens Judge Throws Out Intoxilyzer 8000 Rules

State v. Moore (12 TRC 1842) and State v. Montague (12 TRC 3773) Athens Municipal Court

In another in a series of troubles for the implementation of Ohio’s newest breath test machine, Judge Grimm in Athens County has halted use of the Intoxilyzer 8000.  Courts throughout Ohio must decide how, given this ruling, they will deal with the implementation of the machine.  The issue before the court involved the rules adopted by the Ohio Department of Health.  Specifically, the court [Read the full post. . .]

Rowland Speaks to Ohio Municipal Attorneys Association

Charles M. Rowland II (DaytonDUI) was honored to be asked to speak to the Ohio Municipal Attorney Association at their Ohio Municipal Law Institute.  The Ohio Municipal Attorney Association is made up of Law Directors, Village Solicitors, including civil law attorneys and prosecutors make up the individuals working for cities and villages active.  He gave a one hour presentation on the Intoxilyzer 8000 breath test machine and the machine’s troubled implementation in Ohio.  “What made this speech interesting for me, [Read the full post. . .]

DUI Case Law Update: State v. Castle (Franklin County)

State v. Castle, 168 Ohio Misc.2d 6, 2012-Ohio-1937

On July 3, 2011, Floyd Castle was arrested and charged with OVI (drunk driving) and other offenses.  When the Trooper administered a chemical test he chose to conduct that test on a BAC DataMaster breath test devise instead of Ohio’s newest machine the Intoxilyzer 8000.  The Trooper was qualified as a senior operator on the BAC DataMaster.  The Trooper also held an operator-access card to administer tests on the Intoxilyzer 8000.  The [Read the full post. . .]

Calibration of the Intoxilyzer 8000, O.A.C. 3701-53-04


The revised Ohio Administrative Code section 3701-53-04 incorporates the new rules for calibrations of the Intoxilyzer 8000. See O.A.C. 3701-53-04(B) as set forth below.  The “new” standards “automatically perform a dry gas control test before and after every subject test and instrument certification using a dry gas standard traceable to the national institute of standards and technology (NIST).  The dry gas results “are valid when the results are at or within five one-thousandths (0.005) grams per two hundred ten [Read the full post. . .]

Infrared Spectroscopy and the Falsely High Breath Test (by DaytonDUI)

Ball and stick model of ethanol

The Intoxilyzer 8000 operates using the scientific principle of infrared (IR) spectroscopy, which identifies molecules based on the way they absorb infrared (IR) light.  More specifically, when molecules in a breath sample are exposed to IR light the way they vibrate changes due to the bending of the (C-O, O-H, C-H, C-C) bonds.  Each type of bond absorbs light at a known wavelength, thus the amount of IR absorption identifies a substance as ethanol and how much ethanol is in [Read the full post. . .]