Wyoming Administrative Code
Agency 048 - Health, Department of
Sub-Agency 0010 - Chemical Analysis of Blood Alcohol
Chapter 3 - PROCEDURES FOR ANALYSIS
Section 3-4 - Urine Sample Collection Procedures

(a) Two (2) samples shall be collected approximately thirty (30) minutes apart and the reported value shall be based on the results of the second sample that will show the alcohol concentration at a point in time halfway between the two samples. The loss of the first sample shall not invalidate the results if the actual time of voiding the bladder was recorded.

(b) The collection tube shall contain a minimum of 0.1 % sodium fluoride as a preservative.

(c) The sample may be collected in a clean container and transferred to the sample tube.

(d) Sample tubes and/or mailing containers shall bear tamper evident seals that will maintain the chain of custody,