Journal Article

Concentration Verification of Ethanol/Nitrogen Compressed Gas Cylinders Prior to use for Periodic Determinations of Accuracy in California

Dianna J. Matthias, Dennis C. Harvey and Dan E. DeFraga

in Journal of Analytical Toxicology

Volume 25, issue 3, pages 215-218
Published in print April 2001 | ISSN: 0146-4760
Published online April 2001 | e-ISSN: 1945-2403 | DOI: http://dx.doi.org/10.1093/jat/25.3.215
Concentration Verification of Ethanol/Nitrogen Compressed Gas Cylinders Prior to use for Periodic Determinations of Accuracy in California

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A method that uses compressed gas ethanol breath standard (EBS® cylinders to perform periodic determinations of accuracy on evidential breath alcohol instruments in California was developed. To use EBS cylinders, the California State Department of Health Services required verification of the ethanol content of the EBS cylinders using an infrared method. The infrared method developed employs a modified Alcotest 7110 MK III-C manufactured by National Draeger, Inc. that functions at the 9.5-ram wavelength of the infrared spectrum. Criteria and methodology for verifying EBS cylinder ethanol concentrations are described.

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Subjects: Medical Toxicology ; Toxicology (Non-medical)

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