Washington State DUI

DUI Breath Test Laws

WAC 448-16-020
Approval of breath test equipment.

(1) Pursuant to RCW 46.61.506, the following instruments are approved for the quantitative measurement of alcohol in a person's breath:

(a) The DataMaster.

(b) The DataMaster CDM.

(2) Pursuant to RCW 46.61.506, the following thermometers are approved:

(a) Mercury in glass thermometers with a scale graduated in tenths of a degree measuring a range between 33.5 and 34.5 degrees centigrade.

(b) Digital thermometer system contained within the Guth 2100 wet bath simulator.

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Seattle, Washington 98154