Code of Maine Rules
10 - DEPARTMENT OF HEALTH AND HUMAN SERVICES
144 - DEPARTMENT OF HEALTH AND HUMAN SERVICES - GENERAL
Chapter 267 - CERTIFICATION STANDARDS FOR PERSONS CONDUCTING CHEMICAL ANALYSES OF BLOOD AND BREATH FOR THE PURPOSE OF DETERMINING THE BLOOD ALCOHOL LEVEL
Section 144-267-4 - ANALYSIS OF BLOOD AND BREATH

Universal Citation: 10 ME Code Rules § 144-267-4

Current through 2024-38, September 18, 2024

A. All blood specimens received by the laboratory should be refrigerated until the analysis has been performed.

B. Replicate analyses are recommended in order to minimize the possibility of undetected errors.

C. Results should be expressed in terms of % w/v, that is, grams of alcohol per 100 milliliters of blood, rounded downward, to the second decimal place; for example, 0.237% should be reported as 0.23%.

D. Analytical procedure for determining alcohol in blood should meet the following performance requirements:

(1) The accuracy and sensitivity of the procedure should be such as consistently to attain results within 10% of the known value over the range of 0.10% and greater, or + 0.01% w/v of the known value for values less than 0.10%, in the analysis of appropriate reference materials of known ethyl alcohol concentration for blood determinations.

(2) The accuracy and sensitivity of the procedure should be such as consistently to attain results within 15% of the known value over the range of 0.10% and greater, or + 0.015% w/v of the known value for values less than 0.10%, in the analysis of appropriate reference materials of known ethyl alcohol concentration for breath determinations.

(3) The blank values yielded by the procedure in analyses of alcohol - free blood or breath specimen consistently should be not greater than 0.01%.

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