Breath-Collection Device for Delayed Breath-Alcohol Analysis

Dubowski, Kurt M.; University of Oklahoma. Dept. of Medicine & Toxicology Laboratories

doi:10.21949/1525033

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Breath-Collection Device for Delayed Breath-Alcohol Analysis

1980-12-01
By Dubowski, Kurt M.

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English

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Alternative Title:

Breath-collection device for delayed breath-alcohol analysis. Part 2
Creators:

Dubowski, Kurt M.
Corporate Creators:

University of Oklahoma. Dept. of Medicine & Toxicology Laboratories
Corporate Contributors:

United States. National Highway Traffic Safety Administration
Subject/TRT Terms:

[+]

Alcohol Breath Tests Equipment Tests Measuring Instruments Traffic Law Enforcement
Publication/ Report Number:

DOT-HS-805-898 ; NTIS-PB81217978

DOT-HS-805-898 ; NTIS-PB81217978 Less -
DOI:

https://doi.org/10.21949/1525033
Resource Type:

Research Paper
Geographical Coverage:

United States
Edition:

Final report
Corporate Publisher:

United States. National Highway Traffic Safety Administration
Abstract:

The report includes the details of a study to develop, evaluate, and validate a breath collection device (BCD) for delayed breath-alcohol analysis. Primary applications of the BCD include collection of breath-alcohol samples for field surveys or for later laboratory analysis for independent verification of evidential breath-alcohol tests for traffic law enforcement purposes, and research uses. The work involved development of a BCD consisting of a molecular sieve 13X column as the alcohol sorbent for 250 ml. samples, development of a method of analysis for the stored alcohol, and both in-vitro and in-vivo evaluation of the delayed analysis system. Alcohol analysis was performed by automated gas chromatographic headspace analysis on the-aqueous alcohol eluate from the molecular sieve. Evaluations included studies with precision-simulator effluents which showed essentially complete recovery of the alcohol, and studies with 32 alcohol-consuming human subjects. Results of direct breath-alcohol analysis with a Gas Chromatographic Intoximeter and of delayed gas chromatographic analyses after intervening alcohol sorption on molecular sieve 13X, on 369 series-sampled split breath specimens, were essentially identical with a mean difference of 0.00032 g/210 L. Complete alcohol retention for at least 11 months was shown to be feasible. /Abstract from report summary page/
Format:

PDF
Funding:

DOT-HS-7-01795
Collection(s):

NHTSA - Behavioral Safety Research
Main Document Checksum:

[+]

urn:sha256:a09702b2d55b08191e455743262106a0a4e3092ea70713e92bcbb2697d2ab94c
Download URL:

https://rosap.ntl.bts.gov/view/dot/1254/dot_1254_DS1.pdf
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Breath-Collection Device for Delayed Breath-Alcohol Analysis

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