224. 呼気分析
呼気分析は、吐き出した息のアルコール濃度を精密に測定する検査です。予備的な呼気検査と異なり、承認された証拠用装置で測定し、取締りに利用できる結果を出します。一般に呼気1リットルあたりのアルコールmgで示しますが、手順と法定基準は国によって異なります。
What is a breath analysis?
A breath analysis measures the concentration of alcohol in exhaled breath using an approved evidential device.
Is a breath analysis the same as a breath test?
No. A breath test is generally used for preliminary screening, while a breath analysis provides a more precise measured alcohol concentration.
How is a breath analysis performed?
The person blows into an approved breath-analysis device, which measures the alcohol concentration in the exhaled air.
How is a breath-analysis result expressed?
The result is commonly expressed as milligrams of alcohol per litre of exhaled breath. The units and legal thresholds depend on the country.
What happens if a breath analysis exceeds the legal limit?
Depending on local law, the result can lead to a temporary driving prohibition, fine, licence restriction or court proceedings.
Can a breath-analysis result be checked again?
In some countries, the person may have a right to a second breath analysis, blood test or other counter-analysis. The procedure depends on local law.

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