Phthalates and Nonylphenols in Roskilde Fjord

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5040BBP ng/l3020100Mar-98Jun-98Sep-98Dec-98Nov-99MeanHove Å ups.Gundsømagle SøÅ Hove downstreamMaglemose Å mouthHelligrenden mouthMeanFigure 25 Spatial and temporal variation of BBP in water of streams and lake5.3.2 SedimentIn Table 18 the abundances of the substances in the stream and the lakesediments are shown as mean and standard deviation of all samples. Onlysediment from the Hove Å system was sampled. Within the lake there arethree sampling positions at different distances from the inlet of Hove Å(in the East end of the lake) and near the South bank, respectively.Table 18 Abundance of substances in stream and lake sediment. Mean and standard deviation, allsamples, ng/g dmSediment, ng/g dm n Stat NP NPDE DBP DPP BBP DEHP DnOP DnNPHove Å upstream lake G. 2 mean 32 9 17 0.9 3.8 75 3.6 7.0sd 5 13 23 1.3 0.01 20 0.02 2.3Gundsømagle Sø 100 m W 2 mean 416 341 38 0.4 5.5 93 2.7 5.8sd 19 113 14 0.6 0.5 11 2.1 4.3Gundsømagle Sø 200 m W 2 mean 2362 2278 67 0 2.2 124 1.0 4.2sd 335 425 42 0 0.3 3.7 1.4 1.7Gundsømagle Sø S bank 2 mean 223 0 3 0 1.4 14 1.5 0sd 57 0 2 0 2.0 6.6 2.2 0Hove Å downstream lake G. 6 mean 110 240 3 0.8 1.7 180 2.6 9.2sd 47 251 5 1.5 3.1 115 1.6 6.2Total 14 mean 480 479 19 0.5 2.6 121 2.4 6.4sd 812 797 28 1.1 2.5 94 1.6 5.20 = none detectedThe total means and standard deviations from Table 18 of all sedimentsamples from the streams and the lake are shown as bar graphs in Figure26.48
1000800meanConcentration, ng/g dw600400sd2000NP NPDE DBP DPP BBP DEHP DnOP DnNPFigure 26 Mean and standard deviations of all sediment samples in streams and lake.A prominent feature in Figure 26 is the very high almost equal abundanceof NP and NPDE in the stream and lake sediment, followed byDEHP and much lower concentrations of DBP, DnNP and DnOP.The spatial and temporal variations of DEHP, NP and NPDE in thestream and lake sediment are shown in Figs. 27 to 29, respectively.400DEHP ng/g dw3002001000Jun-98Sep-98Dec-98Nov-99MeanHove Å ups.Lake G. 100 m WLake G. 200 m WLake G. S bankHove Å downstr.Figure 27 Seasonal and spatial variations of DEHP in stream and lake sediment49
Page 2 and 3: [Blank page]
Page 4 and 5: Data sheetTitle:Phthalates and Nony
Page 6 and 7: 6.2 Sources 646.3 Model parameters
Page 8 and 9: The physico-chemical processes in t
Page 10 and 11: De fysisk-kemiske processer i fjord
Page 13: 2 PurposeThe aim of the study has b
Page 16 and 17: In Table 3 the flow in the streams
Page 18 and 19: 3.3 Samples of fjord sedimentFinall
Page 21 and 22: 4 AnalyticalThe following substance
Page 23 and 24: 4.5 Standards and spikesThe labelle
Page 25 and 26: In Table 9 the results of the test
Page 27: The analysis was carried out as des
Page 30 and 31: 100Concentration ng/l90807060504030
Page 32 and 33: 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: was observed in the flow direction
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 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 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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