Administrative Code

Creating a Report: Check the sections you'd like to appear in the report, then use the "Create Report" button at the bottom of the page to generate your report. Once the report is generated you'll then have the option to download it as a pdf, print or email the report.

Virginia Administrative Code
Title 6. Criminal Justice and Corrections
Agency 40. Department of Forensic Science
Chapter 20. Regulations for Breath Alcohol Testing
5/21/2019

6VAC40-20-170. Preliminary Breath Test Device.

Part III. Preliminary Breath Tests Under §§ 18.2-267, 29.1-738.1 and 46.2-341.25 of the Code of Virginia

All preliminary breath tests shall be performed on a preliminary breath test device approved by the department. Such devices shall offer convenience and efficiency in operation as determined by the department and shall also satisfy the requirements of either subdivision 1 or 2 of this section.

1. For instruments having a numeric readout, the device shall have a systematic error not exceeding ±10%.

2. For instruments having a pass/fail, colored light readout, the device shall satisfy the following specifications:

a. When a sample of breath is properly taken from a person with an actual blood alcohol concentration of 0.05% or less by weight by volume or 0.05 grams of alcohol per 210 liters of breath, the device shall not indicate a positive result.

b. When a sample of breath is properly taken from a person with an actual blood alcohol concentration of 0.08% or more by weight by volume or 0.08 grams of alcohol per 210 liters of breath, the device shall not indicate a negative result.

Statutory Authority

§ 9.1-1110 of the Code of Virginia.

Historical Notes

Former 6VAC20-190-170 derived from Volume 17, Issue 03, eff. November 23, 2000; amended, Virginia Register Volume 20, Issue 04, eff. December 3, 2003; amended and renumbered as 6VAC40-20-170, Virginia Register Volume 22, Issue 10, eff. February 22, 2006.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.