Browse by Author or creator

Cavoura, Olga and Davidson, Christine M. and Keenan, Helen E. and Reis, Ana T. and Pereira, Eduarda (2019) Assessing mercury mobility in sediment of the Union Canal, Scotland, UK by sequential extraction and thermal desorption. Archives of Environmental Contamination and Toxicology, 76 (4). pp. 650-656. ISSN 1432-0703

Cavoura, Olga and Davidson, Christine and Katsiris, Nicholas and Keenan, Helen (2018) Optimisation and application of a low cost, colorimetric screening method for mercury in marine sediment. Environmental Monitoring and Assessment. 236. ISSN 0167-6369

Sentenac, Phillippe and Benes, Vojtech and Keenan, Helen (2018) Reservoir assessment using non-invasive geophysical techniques. Environmental Earth Sciences. ISSN 1866-6280

Sentenac, Phillippe and Benes, Vojtech and Budinski, Vladimir and Keenan, Helen and Baron, Ron (2017) Post flooding damage assessment of earth dams and historical reservoirs using non-invasive geophysical techniques. Journal of Applied Geophysics, 146. pp. 138-148. ISSN 0926-9851

Cavoura, Olga and Brombach, C.C. and Cortis, R. and Davidson, C.M. and Gajdosechova, Z. and Keenan, H.E. and Krupp, E.M. (2017) Mercury alkylation in freshwater sediments from Scottish canals. Chemosphere, 183. pp. 27-35. ISSN 1879-1298

Sentenac, Phillippe and Tom, Hogson and Keenan, Helen and Kulessa, Bernd (2015) Small scale monitoring of a bioremediation barrier using miniature electrical resistivity tomography. Journal of Applied Geophysics, 115. pp. 24-31. ISSN 0926-9851

Kates, Lisa and Knapp, Charles and Keenan, Helen (2014) Acute and chronic environmental effects of clandestine methamphetamine waste. Science of the Total Environment, 493. pp. 781-788. ISSN 1879-1026

Torrance, Keith and Keenan, Helen and Redwood, Stewart and Corns, Warren and Osorio Bolaños, Monica (2013) Spatial variation of mercury in surface water impacted by artisanal gold mining in Marmato, Colombia. In: 11th International Conference on Mercury as a Global Pollutant, 2013-07-28 - 2013-08-02.

Keenan, Helen and Borrirukwisitsak, Siriporn and Gauchotte-Lindsay, Caroline and Cormack, Peter (2013) Effect of climate change on the environmental fate, bioavailability, bioaccumulation and toxicity of bisphenol A in the marine environment. In: 2nd Asian Conference on Civil, Material and Environmental Sciences, 2014-03-15.

Borrirukwisitsak, Siriporn and Keenan, Helen and Gauchotte-Lindsay, Caroline (2012) Effects of salinity pH and temperature on the Octanol-water partition co-efficient of Bisphenol A. International Journal of Environmental Science and Development, 3 (5). pp. 460-465. ISSN 2010-0264

Kangwanwong, Tienkul and Pluempanupat, Wanchai and Parasuk, Waraporn and Keenan, Helen E. and Songsasen, Apisit (2012) Using 5,10,15,20-tetra(4-nitrophenyl)porphyrin as a fluorescent chemosensor to determine Ru3+. ScienceAsia, 38 (3). pp. 278-282. ISSN 1513-1874

Cortis, Robert and Davidson, Christine and Keenan, Helen (2012) A study of metals in sediments of the Forth and Clyde canal, Scotland UK. In: 9th International Synposium on Environmental Geochemistry, 2012-07-15 - 2012-07-21.

Torrance, Keith and Keenan, Helen (2012) The environmental cost of semiconductor elements. Compound Semiconductor, 18 (1). 47 - 51.

Torrance, Keith and Keenan, Helen and Munk, Leeann and Hagedorn, Birgit (2012) Arsenic speciation and mobility in surface water at Lucky Shot Gold Mine, Alaska. Environmental Geochemistry and Health.

Torrance, Keith and Keenan, Helen and Munk, LeeAnn and Hagedorn, Birgit and Chen, B and Corns, W T (2012) Arsenic speciation in waters draining historical alaskan mine sites. In: 9th International Synposium on Environmental Geochemistry, 2012-07-15 - 2012-07-21.

Sheach, Ewan and Keenan, Helen and Duncan, Derek John and Limage, Emily Jayne and Corns, W T (2012) Biochar as an innovative material for mercury treatment. In: 9th International Synposium on Environmental Geochemistry, 2012-07-15 - 2012-07-21.

Torrance, Keith and Switzer, Christine and Rein, G. and Hadden, Rory and Claire, Belcher and Carvel, Ricky and Keenan, Helen (2012) Combustion emissions from a smoldering coal heap in north lanarkshire scotland. In: 9th International Synposium on Environmental Geochemistry, 2012-07-15 - 2012-07-21.

Cortis, Robert and Davidson, Christine and Keenan, Helen (2012) A study of metals in sediments of the forth and clyde canal, scotland, uk. In: 9th International Synposium on Environmental Geochemistry, 2012-07-15 - 2012-07-21.

Torrance, Keith and Switzer, Christine and Rein, Guillermo and Hadden, Rory and Claire, Belcher and Carvel, Ricky and Keenan, Helen (2011) Spontaneous combustion of coal waste tips as a natural analogue for smouldering remediation methods. In: Geological Society of America Annual Meeting, 2011-10-09 - 2011-10-12.

Torrance, Keith and Keenan, Helen and Munk, LeeAnn and Hagedorn, Birgit (2011) Arsenic speciation in surface water at Lucky Shot Gold Mine, Alaska. In: Geological Society of America Annual Meeting, 2011-10-09 - 2011-10-12.

Robson, Andrew James and Switzer, Christine and Aspray, T.J. and Robinson, Jamie and Keenan, Helen (2011) Ozone as a Remediation technique for the treatment of Hydrocarbons in post-industrial sites in Glasgow. In: 10th Annual Conference on the Advances in Land Contamination Assessment and Remediation, 2019-09-04 - 2019-09-04, University of Strathclyde. (Unpublished)

Keenan, Helen (2011) UNIDO methodology for contaminated sites assessment and management. In: 14th Asian Chemical Congress, 2011-09-05 - 2011-09-08. (Unpublished)

Keenan, Helen and Kates, Lisa and Kalin, Robert and Gauchotte-Lindsay, Caroline and Nic Daeid, Niamh and Knapp, Charles (2011) Environmental modelling of methylamphetamine waste. In: International Association of Forensic Sciences, 2011-09-12 - 2011-09-17. (Unpublished)

Davidson, Christine and Keenan, Helen (2011) Analytical challenges in the determination and speciation of mercury in the marine environment. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Keenan, Helen and Dusan, Zagar and Sirnik, Natasa and Horvat, Milena (2011) Applications of advanced modelling approach in contaminated coastal areas. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Ragone, Alba and Keenan, Helen (2011) Can mercury be used as global indicators for the trans-boundary waters assessment programme? (TWAP). In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Keenan, Helen and Bangkedphol, Sornnarin and Babajide, Alo and Davidson, Christine and Songsasen, A. and Booth, Peter and Horvat, Milena (2011) Introduction and Overview of GESAMP assessment on mercury in the marine environment. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Keenan, Helen and Huber, Michael and Peter, Kershaw and Bowmer, Tim (2011) Introduction and overview of GESAMP activities with reference to pollutant indicators for the transboundary water assessment programme (TWAP). In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Keenan, Helen and Leaner, Joy (2011) Mercury uptake and transport in the marine environment. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Duncan, Derek John and Keenan, Helen (2011) Modeling of mercury transport and fate. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Cavoura, Olga and Keenan, Helen and Davidson, Christine and Katsiris, Nicholas (2011) Screening and determination of mobility for mercury in marine sediment. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Keenan, Helen and Babajide, Alo (2011) Summary of assessment of GESAMP Working Group 37. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Cavoura, Olga and Keenan, Helen and Davidson, Christine (2011) A rapid colorimetric paper-based screening method for measuring mercury in marine systems. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29. (Unpublished)

Richards, Phil Ian and Gauchotte-Lindsay, Caroline and Kalin, Robert and Keenan, Helen and Thomas, Russell and Daly, P (2011) Derivitation and extraction for comprehensive analysis of coal tar. In: International Network of the Environmental Forensics Conference, 2011-07-25 - 2011-07-27. (Unpublished)

Kates, Lisa and Gauchotte-Lindsay, Caroline and Nic Daeid, Niamh and Knapp, Charles and Keenan, Helen (2011) Prediction of the environmental fate of methylamphetamine waste. In: International Network of the Environmental Forensics Conference, 2011-07-25 - 2011-07-27. (Unpublished)

Torrance, Keith and Keenan, Helen and Munk, LeeAnn and Hagedorn, Birgit (2011) Mercury controls on arsenic speciation at the Black Butte abandoned Mercury mine, Cottage Grove, Oregon. In: 10th International Conference on Mercury as a Global Pollutant, 2011-07-24 - 2011-07-29.

Keenan, Helen and Torrance, Keith (2011) Can arsenic species be separated in the field? In: Scottish Environmental Technology Network Conference 2011, 2011-06-24 - 2011-06-24. (Unpublished)

Robson, Andrew James and Switzer, Christine and Aspray, Tom J. and Robinson, Jamie and Keenan, Helen (2011) Ozone as a remediation technique for the treatment of hydrocarbons in post-industrial sites in Glasgow. In: University of Strathclyde Research Day 2011, 2011-06-07. (Unpublished)

Kates, Lisa and Gauchotte-Lindsay, Caroline and Nic Daeid, Niamh and Kalin, Robert and Knapp, Charles and Keenan, Helen (2011) Who dumped the meth lab in the river? In: University Research Day, 2011-06-07 - 2011-06-07. (Unpublished)

Richards, Phil Ian and Gauchotte-Lindsay, Caroline and Kalin, Robert and Keenan, Helen and Thomas, R and Daly, P (2011) Analysis of coal tar components for coal source, MGP process and post-formation alteration chemical markers. In: 34th AMOP Seminar on Environmental Contamination and Response, 2011-06-07 - 2011-06-09. (Unpublished)

Duncan, Derek John and Switzer, Christine and Keenan, Helen and Brennan, Aoife and Limage, Andrew (2011) Adsorption and desorption of natural and synthetic hormones using biochar. In: 3rd Annual Biochar Conference, 2011-05-19 - 2011-05-20. (Unpublished)

Torrance, Keith and Keenan, Helen and Munk, LeeAnn and Hagedorn, Birgit (2011) Arsenic speciation in the field. In: Emerging Analytical Professionals RSC, 2011-05-06 - 2011-05-08. (Unpublished)

Cortis, Robert and Davidson, Christine and Keenan, Helen (2011) A study of metals in the Forth & Clyde Canal, Scotland, UK. In: International Conference on Environmental Geology and Health SEGH 2011, 2011-04-11 - 2011-04-14.

Torrance, Keith and Keenan, Helen and Hagedorn, Birgit and Munk, LeeAnn (2011) Arsenic speciation at the Lucky Shot Gold Mine, Alaska. In: International Conference on Environmental Geology and Health SEGH 2011, 2011-04-11 - 2011-04-14. (Unpublished)

Sakultantimetha, A. and Keenan, H. E. and Beattie, T. K. and Bangkedphol, S. and Cavoura, O. (2011) Bioremediation of tributyltin contaminated sediment : degradation enhancement and improvement of bioavailability to promote treatment processes. Chemosphere, 83 (5). pp. 680-686. ISSN 1879-1298

Sakultantimetha, Arthit and Keenan, Helen and Beattie, Tara and Bangkedphol, Sornnarin and Cavoura, Olga (2011) Effects of organic nutrients and growth factors on biostimulation of tributyltin removal by sediment microorganisms and Enterobacter cloacae. Applied Microbiology and Biotechnology, 90 (1). pp. 353-360. ISSN 0175-7598

Richards, P. and Gauchotte-Lindsay, C. and Kalin, R. M. and McGregor, L. and Keenan, H. and Thomas, R. and Daly, P.; (2011) Analysis of coal tar components for coal source, MGP process and post-formation alteration chemical markers. In: Proceedings of the 34th AMOP Technical Seminar on Environmental Contamination and Response. IAEA/INIS, CAN, pp. 341-353.

Bangkedphol, Sornnarin and Keenan, Helen and Davidson, Christine and Sakultantimetha, Arthit and Sirisaksoontorn, W and Songsasen, A. (2010) Enhancement of tributyltin degradation under natural light by N-doped TiO2 photocatalyst. Journal of Hazardous Materials, 184 (1-3). pp. 533-537. ISSN 0304-3894

Torrance, Keith and Keenan, Helen and Munk, LeeAnn and Hagedorn, Birgit (2010) Arsenic speciation at the Lucky Shot Gold Mine, Hatcher Pass, Alaska. In: 3rd Scottish Postgraduate Symposium on Environmental Analytical Chemistry, 2010-12-09 - 2010-12-09. (Unpublished)

Assal, Antoine and Keenan, Helen and Bangkedphol, Sornnarin and Torrance, Keith (2010) Sources and releases of total mercury in the aquatic environment. An update on recent UNEP working group activities. In: Alaska Quicksilver Conference, 2010-11-10 - 2010-11-12. (Unpublished)

Phanwichien, K. and Pradermwong, A. and Keenan, H.E. and Masawang, K. and Lauhachinda, N. and Songsasen, A. and Sakultantimetha, A. and Bangkedphol, S. and Gaines, A.F. (2010) The ecological complexity of the Thai-Laos Mekong River : III. Health status of Mekong catfish and cyprinids, evidence of bioaccumulative effects. Journal of Environmental Science and Health Part A, 45 (13). pp. 1681-1688. ISSN 1093-4529

Udomchoke, V. and Sunthornranun, P. and Songsasen, A. and Phanwichien, K. and Jiwapornkupt, P. and Homchan, U. and Lauhachinda, N. and Sakultantimetha, A. and Bangkedphol, S. and Torrance, K. and Gibson, M.D. and Gaines, A.F. and Booth, P.H. and Keenan, H.E. (2010) The ecological complexity of the Thai-Laos Mekong River : I. Geology, seasonal variation and human impact assessment on river quality. Journal of Environmental Science and Health Part A, 45 (13). pp. 1661-1673. ISSN 1093-4529

Keenan, H.E. and Bangkedphol, S. and Sakultantimetha, A. and Songsasen, A. (2010) The ecological complexity of the Thai-Laos Mekong River : II. Metals and polyaromatic hydrocarbons (PAHs) monitoring, modelling and environmental fate. Journal of Environmental Science and Health Part A, 45 (13). pp. 1674-1680. ISSN 1093-4529

Sakultantimetha, A. and Keenan, H.E. and Beattie, T.K. and Aspray, T.J. and Bangkedphol, S. and Songsasen, A. (2010) Acceleration of tributyltin biodegradation by sediment microorganisms under optimized environmental conditions. International Biodeterioration and Biodegradation, 64 (6). pp. 467-473. ISSN 0964-8305

Keenan, Helen and Torrance, Keith (2010) Co-remediation of hexavalent chromium and arsenic polluted groundwater using crab processing waste products. In: SEGH 2010, 2010-06-28 - 2010-07-03. (Unpublished)

Torrance, Keith and Keenan, Helen (2010) Arsenic speciation in gallium arsenide semiconductor wafer processing waste. In: SEGH 2010, 2010-06-28 - 2010-07-03. (Unpublished)

Torrance, Keith and Keenan, Helen and Munk, LeeAnn (2010) Remediation of groundwater contaminated by chromium and arsenic at sites in the UK and Alaska. In: Scottish Environmental Technology Network Conference 2010, 2010-05-07 - 2010-05-07. (Unpublished)

Lazaridis, N. and Keenan, H.E. (2010) Chitosan beads as barriers to the transport of azo dye in soil column. Journal of Hazardous Materials, 173 (1-3). pp. 144-150. ISSN 0304-3894

Bangkedphol, Sornnarin and Keenan, Helen and Davidson, Christine and Songsasen, A. (2010) Case study for sustainable management of Tributyltin contamination in the environment. In: Pure and Applied Chemisty International Conference, 2010-01-22 - 2010-01-24.

Sakultantimetha, Arthit and Keenan, Helen and Beattie, Tara and Songsasen, A. (2010) Stimulation and augmentation technique to decontaminate hazardous pesticides, Tributyltin from the environment. In: Pure and Applied Chemisty International Conference, 2010-01-22 - 2010-01-24.

Torrance, K. and Keenan, H.E. and Hursthouse, A.S. and Stirling, D. (2010) Measurement of arsenic and gallium content of gallium arsenide semiconductor waste streams by ICP-MS. Journal of Environmental Science and Health Part A, 45 (4). pp. 471-475. ISSN 1093-4529

Torrance, Keith and Keenan, Helen (2009) Characterization of arsenic-rich waste generated during GaAs wafer lapping and polishing. In: 2nd Scottish Postgraduate Symposium on Environmental Analytical Chemistry., 2009-12-09 - 2009-12-09. (Unpublished)

Torrance, K. and Keenan, H.E. (2009) Management of arsenic-rich waste streams in III-V foundries. Semiconductor Today, 4 (9). pp. 66-68. ISSN 1752-6639

Bangkedphol, S. and Keenan, H.E. and Davidson, C.M. and Sakultantimetha, A. and Songsasen, A. (2009) The partition behavior of tributyltin and prediction of environmental fate, persistence and toxicity in aquatic environments. Chemosphere, 77 (10). pp. 1326-1332. ISSN 1879-1298

Bangkedphol, S. and Keenan, H.E. and Davidson, C.M. and Dyer, M. and Sakultantimetha, A. and Songsasen, A. (2009) Development and application of an analytical method for the determination of partition coefficients of tributyltin in the Forth and Clyde canal, Glasgow, Scotland. Journal of ASTM International, 6 (7). pp. 1-13. ISSN 1546-962X

Sakultantimetha, A. and Keenan, H.E. and Dyer, M. and Beattie, T.K. and Bangkedphol, S. and Songsasen, A. (2009) Isolation of tributyltin-degrading bacteria citrobacter braakii and enterobacter cloacae from butyltin-polluted sediment. Journal of ASTM International, 6 (6). pp. 1-6. ISSN 1546-962X

Torrance, K. and Keenan, H.E. (2009) Characterization of arsenic-rich waste slurries generated during gallium arsenide wafer lapping and polishing. In: 2009 International Conference on Compound Semiconductor MANufacturing TECHnology, 2009-05-18 - 2009-05-21. (Unpublished)

Torrance, Keith and Keenan, Helen and Hursthouse, Andrew S. and Sefcik, Jan (2009) Characterization of arsenic-rich waste slurries generated during GaAs wafer lapping and polishing. In: CS ManTech 2009, 2009-05-11 - 2009-05-14.

Fotis, Panagiotis and Hytiris, Nicholas and Keenan, Helen (2009) Assessment of hexavalent chromium stabilizer in artifically contaminated soil using geosta as a secondary binder. In: International Conference on Sustainable Building: Sustainable building affordable to all., 2009-03-17 - 2009-03-19.

Bangkedphol, S. and Keenan, H.E. and Davidson, C.M. and Sakultantimetha, A. and Songsasen, A. (2008) Development of a low-cost method of analysis for the qualitative and quantitative analysis of butyltins in environmental samples. Journal of Environmental Science and Health Part A, 43 (14). pp. 1744-1551. ISSN 1093-4529

Keenan, H.E. (2008) Comparison of EPISUITE model and values obtained from experimental data for environmental pollutants. In: Pure and Applied Chemistry International Conference 2008, 2008-01-30 - 2008-02-01. (Unpublished)

Keenan, H.E. and Songsasen, A. and Sakultantimetha, A. and Bangkedphol, S. and Lauhachinda, N. and Homchan, U. and Chatsagonthong, C. (2008) Effects of cations, anions and PAHs an the adsorption of cadmium by the Mekong River sediments. In: Pure and Applied Chemistry International Conference 2008, 2008-01-30 - 2008-02-01.

Keenan, H.E. and Bangkedphol, S. and Sakultantimetha, A. (2008) Environmental fate and partition co-efficient of oestrogenic compounds in sewage treatment process. Environmental Research, 106 (3). pp. 313-318. ISSN 1096-0953

Keenan, H.E. and Dyer, M. and Bangkedphol, S. (2007) Introduction and overview of the Thai-Laos Mekong River. In: Ecosummit 2007 - Ecological Complexity and Sustainability: Challenges and Opportunities for 21st Century's Ecology, 2007-05-22 - 2007-05-25. (Unpublished)

Keenan, H.E. and Norris, G. and Songsasen, A. and Sakultantimetha, A. and Bangkedphol, S. (2007) Monitoring and modeling of metals, bis-phenol A and PAH contaminants in the Thai-Laos Mekong. In: Ecosummit 2007 - Ecological Complexity and Sustainability: Challenges and Opportunities for 21st Century's Ecology, 2007-05-22 - 2007-05-25. (Unpublished)

Sakultantimetha, A. and Bangkedphol, S. and Keenan, H.E. and Songsasen, A. (2007) The effect of KD and KOC on the environmental fate of cadmiun and benzo(a)pyrene in the Mekong river. In: Ecosummit 2007 - Ecological Complexity and Sustainability: Challenges and Opportunities for 21st Century's Ecology, 2007-05-22 - 2007-05-25. (Unpublished)

Booth, P.H. and Gaines, A.F. and Keenan, H.E. and Homchan, U. and Lauhachinda, N. and Songsasen, A. (2007) The potential effect of development on the sustainability of the Thai-Laos Mekong. In: Ecosummit 2007 - Ecological Complexity and Sustainability: Challenges and Opportunities for 21st Century's Ecology, 2007-05-22 - 2007-05-25. (Unpublished)

Keenan, H.E. (2006) Determination of KD and KOC for oestrogens in sewage treatment and the impact on environmental fate. In: 8th International Conference on Protection and Restoration of the Environment, 2006-07-01. (Unpublished)

Keenan, H.E. and Dyer, M. and Songsasen, A. and Bangkedphol, S. and Homchan, U. (2006) Environmental monitoring of the sediment pollution along the Thai: Laos Mekong. Journal of ASTM International, 3 (7). pp. 3-8. ISSN 1546-962X

Keenan, H.E. and Sentenac, P. and Songsasen, A. and Sakultantimetha, A. and Bangkedphol, S.; Simos, T. and Maroulis, G., eds. (2006) Monitoring and modeling of metals and PAH contaminants in Thai-Laos Mekong river. In: Recent Progress in Computational Sciences and Engineering. Lecture Series on Computer and Computational Sciences, 7 . Brill, Leiden, Netherlands, pp. 682-689. ISBN 9789004155428

Bangkedphol, S. and Sakultantimetha, A. and Keenan, H.E. and Songsasen, A. (2006) Optimization of microwave-assisted extraction of polycyclic aromatic hydrocarbons from sediments. Journal of Environmental Science and Health Part A, 41 (6). pp. 1105-1116. ISSN 1093-4529

Keenan, H.E. (2006) Protection and restoration of the environment VIII. Nikas Books.

Keenan, H.E. and Norris, G. (2005) Environmental monitoring and modelling of bis-phenol A. In: 3rd Asian Pacific International Conference on Pollutant Analysis and Control, 2005-12-12 - 2005-12-15. (Unpublished)

Keenan, H.E. (2005) Oestogenicity of bis-Phenol a in landfill leachate and natural and synthetic hormones in sewage effluent. In: 3rd Asian Pacific International Conference on Pollutant Analysis and Control, 2005-12-12 - 2005-12-15. (Unpublished)

Udomchoke, V. and Songsasen, A. and Homchan, U. and Phanwichien, K. and Jiwapornkupt, P. and Sunthoraranun, P. and Lauhachinda, N. and McGilligan, J.F. and Keenan, H.E. and Gibson, M.D. and Gibson, G.W. and Gaines, A. (2005) The Thai-Laos Mekong river: environment and the health of fish (2001-2004). In: 3rd Asian Pacific International Conference on Pollutant Analysis and Control, 2005-12-12 - 2005-12-15. (Unpublished)

Songsasen, A. and Bangkedphol, S. and Keenan, H.E. (2005) Synchronous fluorescence spectroscopic technique: the tool for rapid identification of polycyclic aromatic hydrocarbons (PAHs) at sub-ppm level in liquid samples. In: 4th International Conference on Instrumental Methods of Analysis Modern Trends and Applications, 2005-10-01. (Unpublished)

Songsasen, A. and Bangkedphol, S. and Pornsilapatip, P. and Keenan, H.E. (2004) Comparative evaluation of the microwave-assisted extraction on closed system and sonication for the extraction of polycyclic aromatic hydrocarbons from sediments. In: 2nd Asian International Conference on Ecotoxicology and Environmental Safety, 2004-09-26 - 2004-09-29. (Unpublished)

Keenan, H.E. (2004) Environmental modeling of PAHs in the Mekong river. In: 2nd Asian International Conference on Ecotoxicology and Environmental Safety, 2004-09-26 - 2004-09-29. (Unpublished)

Songsasen, A. and Bangkedphol, S. and Lauhachinda, N. and Homchan, U. and Udomchoke, V. and Jiwapornkupt, P. and Keenan, H.E. and Gaines, A.F. and Tae, S. (2004) Seasonal variation of polycyclic aromatic hydrocarbons (PAHs) in the Thai-Laos Mekong river, 2003-2004. In: 2nd Asian International Conference on Ecotoxicology and Environmental Safety, 2004-09-26 - 2004-09-29. (Unpublished)

Keenan, H.E. (2003) Polynuclear aromatic hydrocarbon (PAHs) in the Thai-Laos Mekong river, 2000-2003. In: 2nd Asian Pacific International Conference on Pollutants Analysis and Control, 2003-12-01 - 2003-12-03. (Unpublished)

Keenan, Helen and Papavasilpoulos, E. N. and Bache, David (1998) Measurement of polymer residuals in an alum sludge. Water Research, 32. 3,173 - 3,176. ISSN 0043-1354