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Occurrence and speciation of chlorination byproducts in marine waters and sediments of a semi-enclosed bay exposed to industrial chlorinated effluents.
Int J Hyg Environ Health
January 2019
Aix Marseille Univ, CNRS, LCE UMR7376, 13331, Marseille, France. Electronic address:
Chlorination of seawater is one of the most effective technologies for industrial biofouling control. However, chlorination leads to the formation of halogenated chlorination byproducts (CBPs) associated with potential risks to environmental and human health. The present study investigated the occurrence and distribution of CBPs in the Gulf of Fos, a semi-enclosed bay where chlorinated effluents of multiple industrial plants are discharged.
View Article and Find Full Text PDFDegradation of Organic UV filters in Chlorinated Seawater Swimming Pools: Transformation Pathways and Bromoform Formation.
Environ Sci Technol
December 2017
Aix Marseille Univ, CNRS, LCE, Marseille, France.
Organic ultraviolet (UV) filters are used in sunscreens and other personal-care products to protect against harmful effects of exposure to UV solar radiation. Little is known about the fate of UV filters in seawater swimming pools disinfected with chlorine. The present study investigated the occurrence and fate of five commonly used organic UV filters, namely dioxybenzone, oxybenzone, avobenzone, 2-ethylhexyl-4-methoxycinnamate, and octocrylene, in chlorinated seawater swimming pools.
View Article and Find Full Text PDFOccurrence of brominated disinfection byproducts in the air and water of chlorinated seawater swimming pools.
Int J Hyg Environ Health
May 2017
Aix Marseille Univ, CNRS, LCE, Marseille, France. Electronic address:
Article Synopsis
- The study focuses on disinfection byproducts (DBPs) formed during the chlorination of seawater in indoor swimming pools, which may pose health risks due to chronic exposure.
- Water and air samples were taken from three indoor swimming pools in Southern France to analyze various DBPs, revealing that most identified were brominated compounds.
- The research found that while certain DBPs were measured, a significant 86% of extractable organic halides (EOX) remained unrecognized, indicating a need for further investigation into these unknown contaminants.
Assessing the genotoxicity of two commonly occurring byproducts of water disinfection: Chloral hydrate and bromal hydrate.
Mutat Res Genet Toxicol Environ Mutagen
January 2017
Aix Marseille Université, CNRS, LCE UMR 7376, 13331 Marseille, France. Electronic address:
Water disinfection treatments result in the formation of disinfection byproducts (DBPs) that have been linked to adverse human health outcomes including higher incidence of bladder and colorectal cancer. However, data about the genotoxicity of DBPs is limited to only a small fraction of compounds. Chloral hydrate (CH) and bromal hydrate (BH) are two trihaloacetaldehydes commonly detected in disinfected waters, but little is known about their genotoxicity, especially BH.
View Article and Find Full Text PDFIdentification of disinfection by-products in freshwater and seawater swimming pools and evaluation of genotoxicity.
Environ Int
March 2016
Aix Marseille Université, CNRS, LCE UMR 7376, 13331 Marseille, France. Electronic address:
Exposure to disinfection byproducts (DBPs) in swimming pools has been linked to adverse health effects. Numerous DBPs that occur in swimming pools are genotoxic and carcinogenic. This toxicity is of a greater concern in the case of brominated DBPs that have been shown to have substantially greater toxicities than their chlorinated analogs.
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