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Doug D. Carlton Jr.
Articles
Evaluation of Automated Solid-Phase Extraction for Nitrosamines Using US EPA Method 521
May 01, 2016
Disinfection by-products (DBP) are an ever-present nuisance in the efforts to purify drinking water, wastewater, and municipal waters from various sources.
Analytical Efforts Toward Monitoring Groundwater in Regions of Unconventional Oil and Gas Exploration
October 02, 2015
A mix of analytical methods is required to understand the impact, if any, that UOG activity is having on groundwater.
Evaluation of Automated Solid-Phase Extraction for Nitrosamines Using US EPA Method 521
July 01, 2015
Disinfection by-products (DBP) are an ever-present nuisance in the efforts to purify drinking water, wastewater, and municipal waters from various sources. An emerging class of DBP compounds with health effects is nitrosamines which result from chloramination or chlorination if the water is nitrogen-rich. Five of these nitrosamines have been listed on the US EPA’s new Contaminant Candidate List (CCL-3). Of the nitrosamines, the most common and problematic is N-nitrosdimethylamine (NDMA). The maximum admissible levels set by the US EPA are 7 ng/L for NDMA and 2 ng/L for N-nitrosodiethylamine (NDEA).