Phthalates and Nonylphenols in Roskilde Fjord

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phase and can therefore be omitted in model calculations when steadystateconditions are concerned. Such situations typically occur in thesurface layer after about 10 years. As concluded by Sørensen et al.(2000) the insignificance of gradient conditioned diffusion in the surfacelayer, justifies the use of a sediment description comprising a totallymixed sediment compartment, such as the set-up used in the mathematicallymore simple SimpleBox.The used modelling approach, where the water and sediment compartmentsare treated separately only connected through substance exchangethrough sedimentation, seems appropriate in describing the fate of DEHPin the complex multi media fjord system.82
8 ReferencesBerger, W.H. & Heath, G.R. (1968): Vertical Mixing in Pelagic Sediments.Journal of Marine Research, 26, 134 – 143.Carbonell, G, Ramos, C., Pablos, M.V., Ortiz, J.A. & Tarazona, J.V.(2000): A System Dynamic Model for the Assessment of Different ExposureRoutes in Aquatic Ecosystems. The Science of the Total Environment,247, 107 – 118.Fauser, P., Sørensen, P.B., Vikelsøe, J. & Carlsen, L. (2000): Phthalates,Nonylphenols and LAS in Roskilde Wastewater Treatment Plant –Fate Modelling Based on Measured Concentrations in Wastewater andSludge. Ministry of Environment and Energy, National EnvironmentalResearch Institute, Department of Environmental Chemistry, ResearchReport submitted for publication.Fischer, H.B. (1972): Mass Transport Mechanisms in Partially StratifiedEstuaries. Journal of Fluid Mechanic, 53, 671 – 687.Fischer, H.B., Imberger, J., List, E.J., Koh, R.C.Y. & Brooks, N.H.(1979): Mixing in Inland and Coastal Waters. Academic Press.Flindt, M., Madsen, M. & Sørensen, P.S. (1992): Modelsystem forFjorde og Bugter. Havforskning fra Miljøstyrelsen, 9.Flindt, M.R., Kamp-Nielsen, L., Marques, J.C., Pardal, M.A., Bocci,M., Bendoricchio, G., Salomonsen. J., Nielsen, S.N. & Jørgensen, S.E.(1997): Ecological Modelling, 102, 17 – 31.Flindt, M., Pedersen, C.B., Hansen, L.R. & Hedal S. (1998): HydrografiskModellering af Typeområdet Roskilde Fjord 1998. NOVA2003 Årsrapport, Roskilde og Frederiksborg Amter.Furtmann, K. (1996): Phthalates in the Aquatic Environment. Landesamtfür Wasser und Abfall Nordrhein-Westfalen.Harleman, D.R.F. & Thatcher, M.L. (1974): Longitudinal Dispersionand Unsteady Salinity Intrusion in Estuaries. La Houille Blanche, ½, 25 –33.Harremoës, P. & Malmgren-Hansen, A. (1990): Lærebog i Vandforurening.Polyteknisk Forlag.Hedal, S., Hansen, L.R., Thingberg, C. & Jensen, K.B. (1999): Overvågningaf Roskilde Fjord 1998. Roskilde Amt, Teknisk Forvaltning ogFrederiksborg Amt, Teknik og Miljø.83
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Data sheetTitle:Phthalates and Nony
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6.2 Sources 646.3 Model parameters
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The physico-chemical processes in t
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De fysisk-kemiske processer i fjord
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2 PurposeThe aim of the study has b
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In Table 3 the flow in the streams
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3.3 Samples of fjord sedimentFinall
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4 AnalyticalThe following substance
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4.5 Standards and spikesThe labelle
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In Table 9 the results of the test
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The analysis was carried out as des
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100Concentration ng/l90807060504030
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400300DBP ng/l2001000JunJunSepDecMe
Page 34 and 35: 5.1.3 Monthly samples in Roskilde V
Page 36 and 37: 5.1.4 Analysis of varianceTo evalua
Page 38 and 39: Table 15 Correlations at Stations 2
Page 40 and 41: 500r = 0.86 (p=0.01)400DEHP ng/l al
Page 42 and 43: Table 16 Concentrations in fjord se
Page 44: tion levels off, ultimately approac
Page 47 and 48: 200NPNPDEConcentration, ng/g d.m.15
Page 49 and 50: was observed in the flow direction
Page 51 and 52: 1000800meanConcentration, ng/g dw60
Page 53 and 54: NPDE and DEHP in the Hove Å system
Page 55 and 56: µg/m²/y000800600400200013-Nov27-N
Page 57 and 58: 6 Mathematical data interpretationI
Page 59 and 60: 6.1.2 Sorption and solvationIn the
Page 61 and 62: Different standard methods can be u
Page 63 and 64: Introducing the concentration of se
Page 65 and 66: substances migrate more rapidly tha
Page 67 and 68: • In 1969 in connection with work
Page 69 and 70: SeaDispersion modelBox-modelsIsefjo
Page 71 and 72: AtmosphericdepositionxdxN wx + ∂
Page 73 and 74: tWater gridxo• • •i+1 i i-1x
Page 75 and 76: 6.4.3 Dynamic solution to the diffu
Page 77 and 78: The two diffusion curves and the tw
Page 79 and 80: Fluxsedimentation /Fluxtotal1,00,90
Page 81 and 82: µg DEHP / sec10008006004002000-200
Page 83: 7 ConclusionsDEHP was the most abun
Page 87: Smith, R. (1986): Mixing and Disper
Page 90 and 91: NPNPDENPEPAEPFKPhthalatesdSIMSpikeS
Page 92 and 93: dzD benzeneD DEHPVertical step in s
Page 94 and 95: Ptt sedzαθ sProduct from bio-degr
Page 97 and 98: 12 Appendix A.Analytical performanc
Page 99 and 100: 4000NPDE3000Mean + - sdRegression l
Page 101 and 102: 300250DEHPMean + - sdRegression lin
Page 103 and 104: and mass-spectrometrical characeris
Page 105 and 106: 1000800BBPMean + - sdRegression lin
Page 107 and 108: National Environmental Research Ins
Page 109: The aim of the study has been to in
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Phthalates and Nonylphenols in Roskilde Fjord

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