Blar i NIVA Open Access Archive på forfatter "Langford, Katherine"
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A two stage algorithm for target and suspect analysis of produced water via gas chromatography coupled with high resolution time of flight mass spectrometry
Samanipour, Saer; Langford, Katherine; Reid, Malcolm J; Thomas, Kevin V (Journal article; Peer reviewed, 2016)Gas chromatography coupled with high resolution time of flight mass spectrometry (GC-HR-TOFMS) has gained popularity for the target and suspect analysis of complex samples. However, confident detection of target/suspect ... -
Benzoylurea pesticides used as veterinary medicines in aquaculture: Risks and developmental effects on nontarget crustaceans
Macken, Ailbhe; Lillicrap, Adam David; Langford, Katherine (Journal article; Peer reviewed, 2015)Diflubenzuron and teflubenzuron are benzoylureas that are used in aquaculture to control sea lice. Flubenzurons have low toxicity to many marine species such as fish and algae but by their nature are likely to have significant ... -
Measurement of naphthenic acids in the receiving waters around an offshore oil platform by passive sampling
Harman, Christopher Peter; Langford, Katherine; Sundt, Rolf; Brooks, Steven (Journal article; Peer reviewed, 2014)Polar organic chemical integrative samplers (POCIS) were deployed in the vicinity of an offshore oil installation and analyzed for naphthenic acids (NAs). The POCIS accumulated a range of mono‐ to tetracyclic NAs, with ... -
Oxidative stress potential of the herbicides bifenox and metribuzin in the microalgae Chlamydomonas reinhardtii
Almeida, Ana Catarina; Gomes, Tania; Langford, Katherine; Thomas, Kevin V; Tollefsen, Knut-Erik (Journal article; Peer reviewed, 2019)The widespread presence of herbicides in the aquatic environment has raised awareness about the need to develop further in depth ecotoxicological risk assessments, more specifically on potential effects on photosynthetic ... -
Passive air and water sampling at Andøya, Bjørnøya and Jan Mayen
Allan, Ian; Aas, Wenche; Langford, Katherine; Christensen, Guttorm; Green, Norman W.; Breivik, Knut; Bæk, Kine; Ranneklev, Sissel (NIVA-rapport;6366, Research report, 2012)As part of the monitoring programme established by the Norwegian Climate and Pollution Directorate (Klif) to assess fluxes of contaminants in the Barents Sea, Norwegian Sea and North Sea, passive sampling was undertaken ... -
Screening programme 2013: New bisphenols, organic peroxides, fluorinated siloxanes, organic UV filters and selected PBT substances
Thomas, Kevin V; Schlabach, Martin; Langford, Katherine; Fjeld, Eirik; Øxnevad, Sigurd; Rundberget, Thomas; Bæk, Kine; Rostkowski, Pawel Marian; Harju, Mikael (NIVA-rapport;6696, Research report, 2014)The occurrence and environmental risk of a number of new bisphenols, organic peroxides, fluorinated siloxanes, organic UV filters and selected PBT substances are reported for wastewater effluents and leachates, as well as ... -
Screening programme 2014: Phosphites, selected PBT substances and non-target screening
Thomas, Kevin; Schlabach, Martin; Langford, Katherine; Reid, Malcolm; Fjeld, Eirik; Øxnevad, Sigurd; Rundberget, Thomas; Bæk, Kine; Rostkowski, Pawel; Röhler, Laura; Borgen, Anders (NIVA-rapport;6928-2015, Research report, 2015)The occurrence and environmental risk of a number of phosphites and selected PBT substances are reported for wastewater effluents and leachates, as well as sediments and biota from Oslofjord and Lake Mjøsa. In addition a ... -
Screening Programme 2015: Benzothiazoles, siloxanes, pigments & PBT compounds
van Bavel, Bert; Thomas, Kevin V; Langford, Katherine; Reid, Malcolm; Vogelsang, Christian; Øxnevad, Sigurd; Bæk, Kine; Fjeld, Eirik; Brooks, Steven; Schlabach, Martin; Rostkowski, Pawel; Warner, Nick; Borgen, Anders; Halse, Anne Karine; Davanger, Kirsten; Gundersen, Hans (NIVA-rapport;1639-2016, Research report, 2016)This report summarizes the findings of a screening study into the occurrence of selected benzothiazoles, siloxanes, pigments & PBT compounds in effluents, sewage sludge, surface water, sediments and biota. -
Screening Programme 2015: Pharmaceuticals and hormones
Thomas, Kevin V; Langford, Katherine; Reid, Malcolm James; Vogelsang, Christian; Øxnevad, Sigurd; Bæk, Kine; Fjeld, Eirik; Brooks, Steven; Pampanin, Daniela Maria; Nikiforov, Vladimir; Schlabach, Martin (NIVA-rapport;7076, Research report, 2016)This report summarises the findings of a screening study into the occurrence of selected pharmaceuticals and hormones in effluents, sludges, surface waters, sediments and biota.