Dr Stuart Simpson - publications

Full CSIRO Land and Water publications list

Pre-CSIRO Land and water publications

Fully-Refereed External Publications

Atkinson, C.A., Jolley, D.F. and Simpson, S.L. (2007). Effect of overlying water pH, dissolved oxygen, salinity and sediment disturbances on metal release and sequestration from metal contaminated marine sediments. Chemosphere, 69, 1428-1437.

Hutchins, C., Teasdale, P.R, Lee, S.Y., Simpson, S.L. (2007). Effect of manipulating sediment pH on the porewater chemistry of copper- and zinc-spiked sediments. Chemosphere, 69, 1089-1099.

Schlenk, D.,  Batley, G.E., King, C.K., Stauber, J.L, Adams, M.S., Simpson, S.L., Maher, W. Oris, J.T. (2007) Effects of light on microalgae concentrations and selenium uptake in bivalves exposed to selenium-amended sediments. Archives of Environmental Contamination and Toxicology, 53, 365-370.

Liber, K., Goodfellow, W., Green, A.; Clements, W.H., den Besten, P.J., Galloway, T.S., Gerhardt, A., Simpson, S.L. (2007). In situ-based effects measures: considerations for improving methods and approaches. Integrated Environmental Assessment and Management, 3, 246-257.

Simpson, S.L., Micevska, T., Adams, M.S., Stone, A., Maher, W. (2007). Establishing cause-effect relationships in PAH and hydrocarbon contaminated sediments using the benthic marine alga, Entomoneis cf punctulata. Environmental Toxicology and Chemistry, 26, 163–170.

Simpson, S.L. and Batley, G.E. (2007). Predicting metal toxicity in sediments: A critique of current approaches. Integrated Environmental Assessment and Management, 3, 18-31.

Simpson, S.L., Burston, V.L., Jolley, D.F., and Chau, K. (2006). Application of surrogate methods for assessing the bioavailability of PAHs in sediments to a sediment ingesting bivalve. Chemosphere, 65, 2401-2410.

King, C.K., Gale, S.A., Hyne, R.V., Stauber, J.L., Simpson, S.L., Hickey, C.W. (2006). Sensitivities of Australian and New Zealand amphipods to copper and zinc in waters and metal-spiked sediments. Chemosphere, 63, 1466-1476.

Chapman, H. and Simpson, S.L. (2005). Direct toxicity assessment (DTA) of acid mine water from the Mt Morgan mine site, Central Queensland, Australia. Australasian Journal of Ecotoxicology, 11, 93-99.

Simpson, S.L. (2005) An exposure-effect model for calculating copper effect concentrations in sediments with varying copper binding properties: a synthesis. Environmental Science and Technology, 39, 7089-7096.

Jones, M.-A., Stauber, J.L., Apte, S.C., Simpson, S.L. Vincente-Beckett, V., Johnson, R. and Duivenvoorden, L. (2005). A risk assessment approach to contaminants in Port Curtis, Queensland, Australia. Marine Pollution Bulletin, 51, 448-458.

King, C.K., Simpson, S.L., Smith, S.V., Stauber, J.L., Batley, G.E. (2005). Short term accumulation of Cd and Cu from water, sediment and algae by the amphipod Melita plumulosa and the bivalve Tellina deltoidalis. Marine Ecology Progress Series, 287, 177-188.

Simpson, S.L., Apte, S.C., and Davies, C.M. (2005). Bacterially assisted oxidation of copper sulfide minerals in tropical rivers. Environmental Chemistry, 2, 49-55.

Simpson, S.L. and King, C.K. (2005). Exposure-pathway models explain causality in whole-sediment toxicity tests. Environmental Science and Technology, 39, 837-843.

King, C.K., Dowse, M.C., Simpson S.L., and Jolley, D. (2004). An assessment of five Australian polychaetes and bivalves for use in whole sediment toxicity tests: toxicity and accumulation of copper and zinc from water and sediment. Archives of Environmental Contamination and Toxicology, 47, 314-323.

Simpson, S.L., Maher, E.J. and Jolley, D.F. (2004). Processes controlling the transport and retention of groundwater-derived metals in estuarine sediments. Chemosphere, 56, 821-831.

Simpson, S.L., Angel, B.M. and Jolley, D.F. (2004). Metal equilibration in laboratory-contaminated (spiked) sediments used for the development whole-sediment toxicity tests. Chemosphere, 54, 597-609.

Simpson S.L., Roland, M.G.E., and Stauber, J.L. and Batley G.E. (2003). Effect of declining toxicant concentrations on algal bioassay endpoints.  Environmental Toxicology and Chemistry, 22, 2073-2079.

Simpson, S.L. and Batley, G.E. (2003). Disturbances to metal partitioning during toxicity testing of iron(II)-rich porewaters and whole sediments.  Environmental Toxicology and Chemistry, 22, 424-432.

Simpson, S.L., Pryor, I.D., Mewburn, B., Batley, G.E., and Jolley, D.F. (2002). Considerations for capping metal-contaminated sediments in dynamic estuarine environments.  Environmental Science and Technology, 36, 3772-3778.

Simpson, S.L., Rochford, L., and Birch, G.F. (2002). Geochemical influences on metal partitioning in contaminated estuarine sediments. Marine and Freshwater Research, 53, 9-17.

Simpson, S.L. (2001). A rapid screening method for acid volatile sulfide in sediments. Environmental Toxicology and Chemistry, 20, 2657-2661.

Simpson, S.L., Apte, S.C., and Batley, G.E. (2000). Effect of short term resuspension events on the oxidation of cadmium, lead and zinc sulfide phases in anoxic sediments. Environmental Science and Technology. 34, 4533-4537.

Simpson, S.L., Rosner, J., and Ellis, J.  (2000). The competitive displacement reactions of Cd, Cu and Zn added to a polluted, sulfidic estuarine sediment. Environmental Toxicology and Chemistry, 19, 1992-1999.

Simpson, S.L.; Powell, K.J. and Sjöberg, S. (2000). Pyrocatechol violet complexation at the boehmite-water interface. Journal of Colloid and Interface Science, 229, 586-574.

Simpson, S.L., Apte, S.C., Hortle, K.G., and Richards, D.R. (1998).  An evaluation of copper remobilisation from mine tailings following deposition in a highly sulfidic environment.  Journal of Geochemical Exploration, 63, 203-215.

Simpson, S.L., Apte, S.C., and Batley, G.E. (1998).  Sample storage artifacts affecting the measurement of dissolved copper in sulfidic porewaters.  Analytical Chemistry, 70, 4202-4205.

Simpson, S.L., Apte, S.C., and Batley, G.E. (1998).  Effect of short term resuspension events of trace metals speciation in polluted anoxic sediments.  Environmental Science and Technology.  32, 620-625.

Simpson, S.L.; Powell, K.J.; Nilsson, N.H.S. and Sjöberg, S. (1998). Kinetic and thermodynamic considerations in the determination of aluminium using pyrocatechol violet: implications for the use of ‘kinetic-based’ determinations of metal ions in natural systems. Analytica Chimica Acta, 359, 329-340.

Downard, A.J.; Lenihan, R.J.; Simpson, S.L.; O'Sullivan, B. and Powell, K.J. (1997). Aluminium(III)-4-nitrocatechol system: potentiometry, voltammetry and application to the determination of reactive Al(III). Analytica Chimica Acta, 345, 5-15.

Simpson, S.L.; Powell, K.J. and Nilsson, N.H.S. (1997). Flow injection determination of Al3+ and Al13O4(OH)32(H2O)127+ species using a 1.3-s reaction with 8-quinolinol-derivatised Fractogel. Analytica Chimica Acta, 343, 19-32.

Hawke, D.J.; Powell, K.J. and Simpson, S.L. (1996). Equilibrium modelling of interferences in the visible spectrophotometric determination of aluminium(III): comparison of the chromophores chrome azurol S, eriochrome cyanine R and pyrocatechol violet, and stability constants for eriochrome cyanine R-aluminium complexes. Analytica Chimica Acta, 319, 305-314.

Simpson, S.L.; Sjöberg, S. and Powell, K.J. (1995). Aluminium(III)-pyrocatechol violet equilibria: a potentiometric study. Journal of the Chemical Society Dalton Transactions, 1799-1804.

Books and book chapters

Simpson, S.L., Batley, G.E., Chariton, A.A., Stauber, J.L., King, C.K., Chapman, J.C., Hyne, R.V., Gale, S.A., Roach, A.C. and Maher, W.A. (2005).  Handbook for Sediment Quality Assessment (CSIRO: Bangor, NSW). ISBN 0-643-09197-1.

Lightly-Refereed External Publications

Holloway A. Taylor S., Dubikova M., Simpson S., Woodroffe S. (2007). Natural attenuation of arsenic by ferric hydroxide in a coastal aquifer. GQ07: Securing Groundwater Quality in Urban and Industrial Environments (Proc. 6th International Groundwater Quality Conference held in Fremantle, Western Australia, 2–7 December 2007).

Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. (2006). Copper in marine waters: what does it do to microalgae? University of Wollongong, Australia. Rhizome, p 14-16.

Simpson, S.L., Apte, S.C., Jung, R.F., Batley, G.E., Hales, L.T. (2005).  Trace metal concentrations in waters, sediments and fish tissues from marine locations in the vicinity of the Minahasa Raya gold mine (North Sulawesi, Indonesia). Conference Proceedings of International Seminar on “Mining, Environment, and Sustainable Development Seminar- A Lesson from the Gold Mining Controversy in Buyat Bay, North Sulawesi, Indonesia”. Sam Ratulangi University Press, Kampus UNSARAT, Manado, Indonesia, p 284-294.  ISBN: 979-3660-01-5.

Heise, T., Britton, G, Stone, A., Simpson, S.L., Dawson, I. (2005).  Newcastle Port Sediment Toxicity Investigations to Identify Sediment Suitable for Unconfined Sea Disposal. Conference Proceeding. Coasts and Ports Conference, 21-23 September, Adelaide, South Australia. pp 5.

Simpson, S.L. (2005). Can exposure-pathway models explain causality in whole-sediment toxicity tests? Conference Proceeding. ICOBTE, April 3-7, Adelaide, South Australia. pp 2.

Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. (2005). The effects of continuous and fluctuating copper exposures on the marine alga Phaeodactylum tricornutum. Conference Proceeding. ICOBTE, April 3-7, Adelaide, South Australia. pp 2.

Jolley, D.F., Atkinson, C.A., Simpson, S.L. (2005). Factors affecting metal releases from contaminated marine sediments. Conference Proceeding. ICOBTE, April 3-7, Adelaide, South Australia. pp 2.

Stauber, J.L.; Adams, M.S.; Simpson, S.L. (2004). Use of flow cytometry in marine sediment toxicity testing with benthic microalgae. SETAC Globe (Jan-Feb) 31-33.

Simpson, S.L. (2004). How (not) to spike sediments: establishing toxicity thresholds or effects concentrations for benthic organisms. SETAC Globe (Jan-Feb) 28-30.

Donnert, D., Jakob, T., Förstner, U., Jacobs, P., Nießner, R., Gahr, A., Prestel, H., Stottmeister, U., Weißbrodt, E., Batley, G., Simpson, S., Hart, B., Beckett, R., O’Donohue, M., Waite, D., and Lavitt, N. (2000). The use of active barrier systems for sub-aqueous in-situ capping of contaminated sediments: an Australia-Germany collaborative research program. Proceedings of Consoil 2000, Germany

Simpson, S.L., Apte, S.C., and Batley, G.E. (1997). AVS/SEM Fractionation of Sediments: A Comment on the Interpretation of Simultaneously Extracted Cu and Ni. SETAC News (July), 18-19.

REPORTS

Taylor, S.E., Batley, G.E., Simpson, S.L. (2006) Draft Strategy for the Shell Geelong Refinery Ecological Risk Assessment. Prepared for Shell Refining (Australia) Pty Ltd. 16 pages.

Spadaro DA, Simpson SL, Chariton AA. (2006). Relationships between metal contamination and physical properties of sediments of estuarine waters near Sydney, NSW, Australia. CSIRO Energy Technology Report ET/IR 851R, 41 pages.

Spadaro, D.A. and Simpson, S.L. (2006). The effect of nutrition on toxicity of contaminants to the amphipod, Melita Plumulosa in whole-sediment exposures. Report No. ET/IR 843R, 14 pages. 

Spadaro, D.A. and Simpson, S.L. (2006). The effect of nutrition on toxicity of contaminants to the amphipod, Melita Plumulosa in water-only exposures. Report No. ET/IR 842R, 15 pages.

Spadaro, D.A. and Simpson, S.L. (2006). The effect of amphipod maturity (age) on the toxicity of contaminants to the amphipod, Melita Plumulosa. Report No. ET/IR 841R, 8 pages.

Richardson, D.L. Simpson, S.L., Batley G.E., Pietsch, C. Morgan, C.D. (2006). Toondah Harbour sediment and ecotoxicology assessment. WBM Report R.B15865.002.00, 70 pages.

Apte, S., Anderson, L., Andrewartha, J., Angel, B,  Shearer, D., Simpson, S., Stauber, J., Vicente-Beckett, V. (2006). Contaminants pathways in Port Curtis. Cooperative Research Centre for Coastal Zone, Estuary and Waterway Management.  Technical Report No. 75. ISBN: 1 921017 30 9, 120 pages.

Simpson, S.L. (2006). Copper effects thresholds for saltwater (estuarine/marine) benthic biota. Report No: ET/IR885R, 12 pages.

Simpson, S.L. (2006). Applicability and use of equilibrium partitioning sediment benchmarks (ESBs) for metals. Report No: ET/IR884R, 14 pages.

Simpson, S.L., Spadaro, D.A., Adams, M.S., Batley, G.E. (2006). Testing of sediments associated with Toondah Harbour. Report No: ET/IR882R, 58 pages.

Simpson, S.L. (2005). Dissemination of Handbook for Sediment quality assessment, June.  NSW Environmental Trust research project No. 2000/RD/G0003b, 67 pages.

Apte, S., Duivenvoorden, L., Johnson, R., Jones, M.-A., Revill, A., Simpson, S., Stauber, J., Vicente-Beckett, V. (2005). Contaminants in Port Curtis: screening level risk assessment. Cooperative Research Centre for Coastal Zone, Estuary and Waterway Management.  Technical Report No. 25. ISBN: 1 921017 04, 146 pages.

Apte, S.C., Simpson, S.L., Jung, R.F., Batley, G.E., Hales, L.T. (2004). PT Newmont Nusa Tengarra, environmental monitoring due diligence study, October 2004. Report No. ET/IR759R, 160 pages.

Apte, S.C., Simpson, S.L., Jung, R.F., Batley, G.E., Hales, L.T. (2004).  PT Newmont Minahasa Raya environmental monitoring study, August 2004 CSIRO Energy Technology Investigation Report No. ET/IR729R, 80 pages.

Apte, S., Jones, M.-A., Simpson, S., Stauber, J., Vicente-Beckett, V., Duivenvoorden, L., Johnson, R. and Revill, A. (2004). Contaminants in Port Curtis: Screening Level Risk Assessment. CRC for Coastal Zone, Estuary and Waterway Management Report.  CSIRO Energy Technology Investigation Report No. ET/IR786, 90 pages.

Simpson, S.L., Adams, M.S., Strom, D., Spadaro, D.A., Stauber, J.L. (2004). Chemical and ecotoxicological testing of sediments associated with new shipping berths in Port Kembla Habour. CSIRO Energy Technology Investigation Report No. ET/IR713R, 70 pages.

Batley, G.E., Stauber, J.L., Simpson, S.L., King, C.K., Chapman, J.C., Hyne, R.V. Gale, S.A., Roach, A.C., Maher, W.A., Chariton, A.A. (2004) Procedures for measuring the risk posed by metal-contaminated sediment.  NSW Environmental Trust research project No. 2000/RD/G0003. CSIRO Energy Technology Investigation Report No. ET/IR629, 92 pages.

Simpson, S.L., Batley, G.E., Alderson, B. (2004). Gunnamatta Bay contaminated sediment investigation and remediation plan. CSIRO Energy Technology Investigation Report No. ET/IR682R, 93 pages.

Simpson, S.L., Apte, S.C., Thompson, M., Eagle, M. (2003). Lihir Mine, Water, Sediment & ARM Management Plan: Chemical characterisation of waste streams (Phase 1).  CSIRO Energy Technology Investigation Report No. ET/IR641R, 40 pages.

Simpson, S.L., King, C.K., Adams, M.S. (2003). Chemical and ecotoxicological testing of dredged sediment from Port Kembla Harbour. CSIRO Energy Technology Investigation Report No. ET/IR625R, 31 pages.

Simpson, S.L., Pettigrove, V., Jung, J., Batley, G.E. (2003). Freshwater sediment monitoring within Sydney Olympic Park (Contract No. SOPA/029).  CSIRO Energy Technology Investigation Report No. ET/IR595R, 70 pages.

King, C.K., Stauber, J.L., Duda, S. and Simpson, S.L. (2003). Toxicity of neutralised and un-neutralised moa tailings/ waste liquor slurries to sediment biota in static renewal tests. CSIRO Energy Technology Investigation Report No. ET/IR569, 30 pages.

Apte, S.C. and Simpson, S.L. (2002). Mamboi Breakthrough Coring Study. CSIRO Investigation Report ET/IR506R. 25 pages.

Simpson, S.L., King, C.K., and Adams, M.S. (2002). Relationships between PAHs and ecotoxicological effects to alga, amphipods and bivalves for dredged Newcastle Harbour sediments. CSIRO Energy Technology Investigation Report No. ET/IR541R, 65 pages.

Shao, Q., Harch, B., Apte, S.C. and Simpson, S.L. (2002) Temporal Variability of Dissolved Copper Concentrations in the Ok Tedi and Fly River.  CSIRO Investigation Report CMIS 2001/164 & CET IR501R. 68 pages.

Binet, M.T., Stauber, J.L. and Simpson, S.L. (2002). Ecotoxicological testing of sediment elutriates and pore waters in Abbotsford Bay. CSIRO Energy Technology Investigation Report No. ET/IR463, 10 pages.

Simpson, S.L., Adams, M., Stauber, J.L. and Batley, G.E. (2001). Relationships between chemical contaminants and ecotoxicological effects for dredged Newcastle Harbour sediments. CSIRO Energy Technology Investigation Report No. ET/IR435R, 53 pages.

Simpson, S.L., King, C.K., Adams, M.S. and Stauber, J.L. (2001). Chemical and ecotoxicological testing of dredged sediment from MPT Stage 2 / K7 area, Newcastle Harbour. CSIRO Energy Technology Investigation Report No. ET/IR401, 45 pages.

Simpson, S.L., King, C.K., Adams, M.S. and Stauber, J.L. (2001). Chemical and ecotoxicological testing of dredged sediment from south arm master plan dredge area, Newcastle Harbour. CSIRO Energy Technology Investigation Report No. ET/IR400, 52 pages.

Simpson, S.L., King, C.K., Adams, M.S. and Stauber, J.L. (2001). Chemical and ecotoxicological testing of dredged sediment from Newcastle Harbour MPT Stage 1 capital dredging. CSIRO Energy Technology Investigation Report No. ET/IR399, 27 pages.

Simpson, S.L., Apte, S.C., and Hales, L.T.  (2001). PT Freeport Indonesia sediments and porewaters study. CSIRO Energy Technology Investigation Report No ET/IR363, 27 pages.

Simpson, S.L.,  Apte, S.C., Hales, L.T.  (2000). PT Freeport Indonesia mangrove study. CSIRO Energy Technology Investigation Report No ET/IR362, 51 pages.

Simpson, S.L, and Apte, S.C. (2000).  PT Freeport Indonesia ocean cores study. CSIRO Energy Technology Investigation Report No ET/IR361, 16 pages.

Simpson, S.L., Pettigrove, V., and Batley, G.E. (2000). Pore water analyses and toxicity testing of sediments from urban waterways in Melbourne. CSIRO Energy Technology Investigation Report No ET/IR306, 24 pages.

Simpson, S.L., Apte, S.C., Tinkerame, J.S. (1999).  An investigation of short-term temporal variations in dissolved copper concentrations in the Fly River. CSIRO Energy Technology Investigation Report No. ET/IR225, 22 pages.

Apte, S.C., Simpson, S.L., Webster, I.T. (1999). Geochemical modelling and prediction of copper speciation in the fly river system. CSIRO Energy Technology Investigation Report No. ET/IR219, 250 pages.

Batley, G.E., Brockbank, C.I., and Simpson, S.L. (1998). Batley, G.E., Brockbank, C.I., and Simpson, S.L.. (1998). Sediment quality in waters adjacent to  BHP Wire Products, Chiswick, NSW. CSIRO Energy Technology Investigation Report No, CET/IR 601, 63 pages.

Batley, G.E., Brockbank, C.I., and Simpson, S.L. (1998). Sediment quality in waters adjacent to BHP Wire Products, Chiswick, NSW: Data report . CSIRO Division of Energy Technology Investigation Report CET/IR90, 41 pages.

Batley, G.E., Brockbank, C.I., and Simpson, S.L. (1998). Heavy metals in sediments from Newcastle Harbour.  CSIRO Energy Technology Investigation Report No. ET/IR115, 8 pages.

Apte, S.C.; Stauber, J.L.; Simpson, S.L.; Hales, L.T. (1997). Factors influencing the bioavailability and fate of copper in waters downstream of the Freeport mine. CSIRO Energy Technology Investigation Report No. CET/IR599R, 183 pages.

CONFERENCE/WORKSHOP PRESENTATIONS AND POSTERS

Platform presentations

2006, 27 September, Wollongong, NSW. Higher degree research conference. (41) Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. The effects of fluctuating copper exposure on the marine alga, Phaeodactylum tricornutum.

2006, 5-9 November, SETAC North America, Montreal, Canada. (40) Simpson, S.L., Strom, D., Ward, D., Jolley, D.F.  Dietary toxicity of sediment-bound copper: effect of sediment properties on dissolved and particulate copper exposure. (39) Chariton, A., Roach, A., Simpson, S.L., Batley, G.E. Relationships between sediment contamination and benthic community structure: an assessment of approaches applied to Sydney Harbour, Australia.

2006, 24-28 September, INTERACT, Perth, WA. (38) Micevska, T., Simpson, S.L., Maher, W.A., Batley, G.E., Stauber, J.L. Determining the contribution of dissolved and particulate metal exposure pathways to the toxicity in marine sediments. (37) Strom, D., Simpson, S.L., Jolley, D.F., Batley, G.E., Stauber, J.L. Development of robust guidelines and assessment procedures for metal contaminated sediments.

2006, AWA Speciality conferences, Sediment water quality assessment, 15 February (Sydney), 23 February (Melbourne), 6 April (Brisbane), Australia. (36) Simpson, S.L. Sediments as sinks and sources of contaminants, (35) Simpson, S.L. Sediment sampling and monitoring, (34) Simpson, S.L.  Sediment toxicity and evaluation, (33) Simpson, S.L., Batley, G.E. Weight of evidence assessment.

2005, Australasian Society for Ecotoxicology, 25-28 September, Melbourne, Victoria, Australia. (32) Micevska, T., Simpson, S.L., Maher, W.A., Batley, G.E., Stauber, J.L.  Quantifying causes of toxicity in sediments containing mixtures of toxicants.

2005, AWA Speciality conference, national public health special interest group, Ecotox Workshop, 24 June, Canberra, Australia. (31) Simpson, S.L. Sediment chemistry and contaminant bioavailability, (30) Simpson, S.L.  Sediment toxicity identification evaluations

2005, Workshop on Sediment Quality Assessment, 2 June, Sydney, Australia. (29) Simpson, S.L. Sediment sampling and sample preparation, (28) Simpson, S.L. Sediment chemistry and contaminant bioavailability, (27) Simpson, S.L.  Sediment toxicity identification evaluations.

2005, Coasts and Ports Conference, 21-23 September, Adelaide, South Australia (26) Heise, T., Britton, G, Stone, A., Simpson, S.L., Dawson, I. Newcastle Port sediment toxicity investigations to identify sediment suitable for unconfined sea disposal.

2005, ICOBTE, April 3-7, Adelaide, South Australia (25) Simpson, S.L. An Exposure-Effect Model for Calculating Copper Effects Concentrations in Sediments with Varying Copper Binding Properties: A Synthesis. (24) Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. The effects of continuous and fluctuating copper exposures on the marine alga Phaeodactylum tricornutum., (23) Clare A. Atkinson, C.A., Jolley, D.F., Simpson, S.L., Factors affecting metal releases from contaminated marine sediments.

2005, UNSRAT, May 9-10, Manardo, Indonesia (22) Simpson, S.L. PT Newmont Minahasa Raya, Environmental Monitoring Study.

2004, November 14-18, SETAC, Portland, USA. (21) Simpson, S.L. and King, C.K. Exposure-pathway models explain causality in whole-sediment toxicity tests.

2004, July 8-12, INTERACT, Gold Coast, QLD.  (20) Simpson, S.L. (Keynote) Contaminant geochemistry and dynamics – a benthic organism’s perspective.  (19) Adams, M. S., King, C.K., Simpson, S.L. A comparison of species sensitivity to PAHs in whole-sediment bioassays. (18) Hutchins, C.M.; Teasdale, P.R.; Lee, S.Y.; Simpson, S.L. Manipulation of trace metal geochemistry through improved spiking procedures in mangrove sediment.

2004, March 9-11, Catchment and Reef Conference, Townsville, QLD.  (17) Stauber, J.L., Apte, S.C., Jones, M.-A., Simpson, S.L., Vincente-Beckett, V., Johnson, R, Duivenvoorden, L. A risk assessment approach to contaminants in Port Curtis.

2003, September 28-October 1, SETAC/ASE, Christchurch, New Zealand. (16) Simpson, S.L., Angel, B.M.; Batley, G.E. Preparation of artificial concentration gradients and disturbances to metal partitioning during toxicity testing whole-sediments. (15) Adams, M.S.; Simpson, S.L.; Stauber, J.L. Toxicity of hydrocarbon contaminated sediments to a benthic marine alga. (14) King, C.K., Simpson, S.L., Smith, S.V. and Stauber, J.L. Kinetic Modelling of Metal Accumulation Pathways in two Whole Sediment Toxicity
Test Species.

2003, December 8-12, American Geophysical Union, San Fancisco, USA. (13) Apte, S.C., Dietrich, W., Day, G.M., Riebe, C., Aalto, R., Sanders, J., Lauer, A, Simpson, S.L., Marshall, A. Mapping the extend and rate of overbank deposition using mine-derived sediment tracers along the Strickland River, Papua New Guinea.

2002, October 23-25, State of Port Curtis Conference, Central Queensland University, Gladstone.  (12) Apte, S.C.; Vincente-Beckett, V.; Duivenvoorden, L.; Jones, M.; Revill, A.; Simpson, S.L.; Stauber, J.L. Port Curtis contaminant risk assessment project. (11) Apte, S.C.; Vincente-Beckett, V.; Duivenvoorden, L.; Jones, M.; Johnson, R.; Revill, A.; Simpson, S.L.; Stauber, J.L. Screening level risk assessment of contaminant in Port Curtis.

2002, November 16-20, SETAC, Salt Lake City, Utah, USA. (10) King, C.K., Simpson, S.L., Smith, S.V. and Stauber, J.L. Metal accumulation pathways in marine invertebrates used in whole sediment toxicity tests in Australia. (9) King, C.K., Dowse, M.C., Simpson, S.L., Gale, S.A., Hyne, R.V. and Stauber, J.L. Comparison of the sensitivities of marine invertebrates to metal-spiked sediments.

2002, July 22-25, INTERACT, Sydney, NSW.  (8i) Simpson, S.L. and Batley, G.E.  Disturbances to metal partitioning during toxicity testing Fe(II)-rich estuarine porewaters and whole-sediments.  (7) Simpson, S.L., Roland, M.G.E., Stauber, J.L., Batley, G.E. and Fox, D. Algal bioassays with time-varying contaminant concentrations: implications for data analysis and calculated NOEC and ECx values.  (6) King, C.K., Dowse, M.C. and Simpson, S.L. Development of a whole sediment toxicity test using the local estuarine bivalve Tellina Deltoidalis.

2002, 7-10 December, RACI, Research & Development Topics Meeting in Analytical and Environmental Chemistry, Warrnambool, VIC. (5) Angel, B.M., Simpson, S.L. and Jolley, D.F. (2002) Preparation of metal-concentration gradients in sediments for the development of whole-sediment toxicity tests.

2001, November 11-15, SETAC, Baltimore, USA.  (4) Simpson, S.L., Batley, G.E. Disturbances to metal partitioning in sub-oxic Fe(II)-rich estuarine sediments.

2000, December 7-8, AuSTAEM (Australasian Symposium on Trace Analysis and Environmental Monitoring), Sydney.  (3) Simpson, S.L. Metal speciation and bioavailability in sediments.

1999, February 7-10, EnviroTox, Deakin University, Geelong, VIC.  (2) Simpson, S.L., Apte, S.C., Batley, G.E. Questioning the applicability of measuring acid volatile sulfide and simultaneously extracted metal (AVS.SEM) contents of sediments for evaluating sediment quality.

1998, April 14-18, SETAC (Society of Environmental Chemistry and Toxicology, Europe), Bordeaux, France.  (1) Simpson, S.L., Apte, S.C., Batley, G.E. The effect of short-term resuspension events on trace metal speciation in polluted anoxic sediments.

Poster presentations

2006, 5-9 November, SETAC North America, Montreal, Canada. (12) Spadaro, D., S.L Simpson, Stauber, J.L. The effect of amphipod age, feeding and sediment nutrition on toxicity of copper to the epibenthic amphipod, Melita plumulosa.

2005, Australasian Society for Ecotoxicology, 25-28 September, Melbourne, Victoria, Australia. (11) Spadaro, D., Simpson, S.L., King, C.K., Stauber, J.L. The effect of amphipod age and feeding on copper toxicity to Melita plumulosa.

2005, Australian Marine Sciences Association Conference, 11-13 July, Darwin, NT, Australia. (10) Hill, N., Simpson, S.L., Johnston, E.J. The effect of heavy metal contaminated sediments on hard substrate assemblages in temperate and polar regions.

2005, ISOBTE, April 3-7, Adelaide, South Australia (9) Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. The effects of continuous and fluctuating copper exposures on the marine alga Phaeodactylum tricornutum.

2004, November 14-18, SETAC, Portland, USA. (8) Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. The effects of fluctuating copper exposure on the marine algae Phaeodactylum tricornutum.

2004, July 8-12, INTERACT, Gold Coast, QLD. (7) Angel, B.A., Simpson, S.L., Stauber, J.L., Jolley, D.F. The effects of fluctuating copper exposure on the marine algae Phaeodactylum tricornutum.

2002, November 16-20, SETAC, Salt Lake City, Utah, USA. (6) Simpson, S.L., Roland, M.G.E., Stauber, J.L., Batley, G.E. and Fox, D. Algal bioassays with time-varying contaminant concentrations: implications for data analysis and calculated NOEC and ECx values.

2002, July 22-25, INTERACT, Sydney, NSW. (5) Simpson, S.L., Pryor, I.D., Mewburn, B.R., Jolley, D. and Batley, G.E.  Considerations for capping metal-contaminated sediments in dynamic estuarine environments. (4) Dowse, M.C., King, C.K., Simpson, S.L. and Jolley, D. An assessment of five estuarine benthic invertebrates for use in whole sediment toxicity tests. (3) King, C.K., Dowse, M.C. and Simpson, S.L. Development of a whole sediment toxicity test using the local estuarine bivalve Tellina Deltoidalis. (2) Hutchins, C.M.; Teasdale, P.R.; Lee, J.; Simpson, S.L. Manipulation of trace metal geochemistry through improved spiking procedures in anoxic sediment.

2001, November 11-15, SETAC, Baltimore, USA. (1) Simpson, S.L., Prior, I.D., Batley, G.E. Considerations for capping metal-contaminated sediments in dynamic estuarine environments.