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Investigation of N-Nitrosodimethylamine (NDMA) Fate and Transport

Principal Investigator
David Sedlak, University of California, Berkeley

N-Nitrosodimethylamine (NDMA) is a polar, uncharged organic compound that is frequently present in wastewater effluent. In response to human health concerns associated with NDMA, water utilities and regulatory agencies have dedicated substantial effort to monitoring NDMA and attempting to reduce NDMA concentrations in wastewater effluent.

To assess the fate of NDMA in landscape irrigation systems, experiments were conducted by applying NDMA-containing wastewater effluent to turfgrass plots equipped with suction lysimeters for sampling water that passed through the vadose zone. Results of these experiments indicated that nearly all of the NDMA was removed as water passed through the unsaturated zone through processes including volatilization and biodegradation. Complementary experiments with intact soil cores suggested that the loss of NDMA was mainly attributable to volatilization. (2006, 147 pages, 02-002-01)

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Non-member price: 45.00