Phthalates and Nonylphenols in Roskilde Fjord

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800600DnOPMean + - sdRegression lineFound, ng/g40020000 200 400 600 800-200Added, ng/gFigure 55 Linearity & precision test, DnOP in sediment.12.3.1 Linearity of method for sedimentThe linearity of the analytical method is tested by linear regression analysis,Table 27.Table 27 Linear regression analysis of performance experiment for sediment methodRegression NP NPDE DBP DPP BBP DEHP DnOP DnNPSlope 0.44 0.44 0.72 1.12 0.81 1.01 0.94 1.03Intercept 647 733 286 10.1 5.78 834 15.1 31.7Correlation coefficient 0.59 0.91 0.87 0.91 0.98 0.65 0.99 0.95Residual sd 293 762 131 165 64 174 54 64Within group sd 309 820 141 178 69 151 54 54F residual/within 0.90 0.86 0.86 0.86 0.86 1.34 0.99 1.41p 0.56 0.58 0.58 0.58 0.58 0.37 0.51 0.35The slopes of the regression lines as seen from Table 27, are also forsediment all reasonably close to 1, with the exception of NP and NPDE,as was the case for the water, and no doubt for the same reason (spikeused not chemical identical with substance measured). The intercept istheoretically the sum of blank and naturally occurring substance, but incase of sediment, the latter dominate. For the test of linearity, the sameremarks as those for the water method apply. No significant deviationsfrom linearity (p
National Environmental Research InstituteThe National Environmental Research Institute, NERI, is a research institute of the Ministry of Environment and Energy.In Danish, NERI is called Danmarks Miljøundersøgelser (DMU).NERI's tasks are primarily to conduct research, collect data, and give advice on problems related to the environment andnature.Addresses:National Environmental Research InstituteFrederiksborgvej 399PO Box 358DK-4000 RoskildeDenmarkTel: +45 46 30 12 00Fax: +45 46 30 11 14URL: http://www.dmu.dkManagementPersonnel and Economy SecretariatResearch and Development SectionDepartment of Atmospheric EnvironmentDepartment of Environmental ChemistryDepartment of Policy AnalysisDepartment of Marine EcologyDepartment of Microbial Ecology and BiotechnologyDepartment of Arctic EnvironmentNational Environmental Research InstituteVejlsøvej 25PO Box 314DK-8600 SilkeborgDenmarkTel: +45 89 20 14 00Fax: +45 89 20 14 14Environmental Monitoring Co-ordination SectionDepartment of Lake and Estuarine EcologyDepartment of Terrestrial EcologyDepartment of Streams and Riparian areasNational Environmental Research InstituteGrenåvej 12-14, KaløDK-8410 RøndeDenmarkTel: +45 89 20 17 00Fax: +45 89 20 15 15Department of Landscape EcologyDepartment of Coastal Zone EcologyPublications:NERI publishes professional reports, technical instructions, and the annual report. A R&D projects' catalogue is availablein an electronic version on the World Wide Web.Included in the annual report is a list of the publications from the current year.105
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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
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5.1.3 Monthly samples in Roskilde V
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5.1.4 Analysis of varianceTo evalua
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Table 15 Correlations at Stations 2
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500r = 0.86 (p=0.01)400DEHP ng/l al
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Table 16 Concentrations in fjord se
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tion levels off, ultimately approac
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200NPNPDEConcentration, ng/g d.m.15
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was observed in the flow direction
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1000800meanConcentration, ng/g dw60
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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 and 84: 7 ConclusionsDEHP was the most abun
Page 85 and 86: 8 ReferencesBerger, W.H. & Heath, G
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: 1000800BBPMean + - sdRegression lin
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Phthalates and Nonylphenols in Roskilde Fjord

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