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Investigations into the Occurrence, Formation and Fate of N-Nitrosodimethylamine (NDMA) in Air and Water


Abstract N-Nitrosodimethylamine (NDMA), a probable human carcinogen, has been found in clouds and fogs at concentration up to 500 ng/L and in drinking water as disinfection by-product. NDMA exposure to the general public is not well understood because of knowledge gaps in terms of occurrence, formation and fate both in air and water. The goal of this dissertation was to contribute to closing these knowledge gaps on potential human NDMA exposure through contributions to atmospheric measurements and fate as well as aqueous formation processes.

Novel, sensitive methods of measuring NDMA in air were developed based on Solid Phase Extraction (SPE) and Solid Phase Microextraction (SPME) coupled to Gas Chromatography-Mass Spectrometry (GC-MS). The two mea... (more)
Created Date 2016
Contributor Zhang, Jinwei (Author) / Herckes, Pierre (Advisor) / Westerhoff, Paul (Advisor) / Fraser, Matthew (Committee member) / Shock, Everett (Committee member) / Arizona State University (Publisher)
Subject Environmental science / Analytical chemistry / Environmental engineering / GC-MS / kinetics / NDMA / photolysis / SPE / WSOC
Type Doctoral Dissertation
Extent 148 pages
Language English
Copyright
Reuse Permissions All Rights Reserved
Note Doctoral Dissertation Chemistry 2016
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis