6 Va. Admin. Code § 40-20-50
Proper care shall be taken to ensure that the breath test device is kept free from excessive moisture, heat and dust.
§ 9.1-1110 of the Code of Virginia.
Former 6VAC20-190-50 derived from Virginia Register Volume 17, Issue 3, eff. November 23, 2000; amended, Virginia Register Volume 21, Issue 2, eff. November 3, 2004; amended and renumbered as 6VAC40-20-50, Virginia Register Volume 22, Issue 10, eff. February 22, 2006.