edc progrptwfsc

8/9/2019 EDC ProgRptWFSC

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Winston LungWinston LungDepartment of Civil andDepartment of Civil and

Environmental EngineeringEnvironmental Engineering

University of VirginiaUniversity of Virginia

Quantifying the Fate andQuantifying the Fate andTransport of EDCs and PPCPs InTransport of EDCs and PPCPs In

EcosystemsEcosystems

An International Collaboration of Multidisciplinary ResearchAn International Collaboration of Multidisciplinary Research

underunder

the U21 Water Future Networkthe U21 Water Future Network

a Progress Reporta Progress Report


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Focus of ResearchFocus of Research

To Date, Lab Measuring Techniques Already WidelyTo Date, Lab Measuring Techniques Already WidelyStudiedStudied

Removal of EDCs and PPCPs also a Popular ResearchRemoval of EDCs and PPCPs also a Popular ResearchTopicTopic

However, FewHowever, Few QuantitativeQuantitative Studies on their Fate andStudies on their Fate andTransport Once They Are Released to ReceivingTransport Once They Are Released to ReceivingWatersWaters

Yet, Health Risk on Water Supply and Aquatic ImpactYet, Health Risk on Water Supply and Aquatic Impactare Great Concernare Great Concern

Focus on Quantifying the Fate and Transport of TheseFocus on Quantifying the Fate and Transport of TheseChemicals in Selected EcosystemsChemicals in Selected Ecosystems


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0.1

1 ng/L

10

100

1 g/L

10

100

1 mg/L

10

100

1,000

10,000 Bacteria

Sediment

BOD

Nutrient

s

Chl a

MetalsPersistent

Organic

Pollutants

EDCs

PPCPs

End Point:

Fecal Coliform

200 cfu/100 mL

End Point:

DO 5 mg/L

End Point:

Chl a 30 g/L

A Historic Perspective:Contaminant Levels in Receiving Waters

Conce

ntra

tion

2000s

1980s

1970s

1960s


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Quantifying Processes inQuantifying Processes in

EcosystemsEcosystems

Mass Transport in Rivers, Lakes, Reservoirs,Mass Transport in Rivers, Lakes, Reservoirs,Estuaries, Coastal Bays, and WetlandsEstuaries, Coastal Bays, and Wetlands--Advection and DispersionAdvection and Dispersion- Settling of Sorbed Particles- Settling of Sorbed Particles

Physical-Chemical ProcessPhysical-Chemical Process--AdsorptionAdsorption

Chemical ProcessesChemical Processes-- PhotodegradationPhotodegradation- Biotransformation- Biotransformation

Biochemical ProcessesBiochemical Processes-- BiodegradationBiodegradation

Biological ProcessesBiological Processes-- Microbial Uptake of Aquatic SpeciesMicrobial Uptake of Aquatic Species


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Technical ChallengesTechnical Challenges

Loading Rate EstimatesLoading Rate Estimates- Point Sources- Point Sources- Nonpoint Sources- Nonpoint Sources

Research on Water ColumnResearch on Water ColumnKineticsKinetics- Photodegradation- Photodegradation- Biotransformation- Biotransformation- Adsorption- Adsorption

Quantifying Sediment-WaterQuantifying Sediment-Water

InteractionsInteractions Field Studies of Aquatic ImpactsField Studies of Aquatic Impacts

Data Support is EssentialData Support is Essential


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Research and MonitoringResearch and Monitoring

to Support Modeling:to Support Modeling: Hydrographical Data ofHydrographical Data of

EcosystemEcosystem

Hydrological Data of WatershedHydrological Data of Watershed

Source Loading RateSource Loading RateEstimates of Select ChemicalsEstimates of Select Chemicals

Measured Concentrations inMeasured Concentrations inReceiving Water andReceiving Water andSedimentSediment

Science to SupportScience to SupportQuantifying Key AttenuationQuantifying Key AttenuationProcesses in Ambient WatersProcesses in Ambient Waters

Modeling

MonitoringResearch


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Currently AvailableCurrently Available

CodeCodePublic Domain Models:Public Domain Models:

HSPF (Watershed Model)HSPF (Watershed Model)

Receiving Water ModelsReceiving Water Models

VisJet (Mixing Zone)VisJet (Mixing Zone)

EFDC (Ambient Water)EFDC (Ambient Water)

CE-QUAL-W2 (Reservoirs andCE-QUAL-W2 (Reservoirs andEstuaries)Estuaries)

WASPWASP


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Model SophisticationModel Sophistication Level ILevel I

-- Single Chemical SpeciesSingle Chemical Species- Simple 1- Simple 1stst -Order Kinetics-Order Kinetics

Level IILevel II- Single Surrogate- Single Surrogate- End Point Contaminant or Toxicity- End Point Contaminant or Toxicity

Level III - Multiple SpeciesLevel III - Multiple Species- Species Succession- Species Succession- Combined Impacts- Combined Impacts

Level IV Built-in KineticsLevel IV Built-in Kinetics- Independent Derivation of Process Rates- Independent Derivation of Process Rates

Level V Impact on FishLevel V Impact on Fish- Fish Feminization- Fish Feminization


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Workshop ParticipantsWorkshop Participants Graham SteedGraham Steed, WFSC Program Manager, WFSC Program Manager

Winston Lung,Winston Lung, University of VirginiaUniversity of Virginia Overview and Focus of Proposed ResearchOverview and Focus of Proposed Research

Joseph H.W. Lee,Joseph H.W. Lee, University of Hong KongUniversity of Hong Kong A New Approach to Determination of Mixing ZonesA New Approach to Determination of Mixing Zones

John Mamrick,John Mamrick, Tetra Tech, Inc.Tetra Tech, Inc. Modeling Contaminant Transport and Fate in Surface Water SystemsModeling Contaminant Transport and Fate in Surface Water Systems Michael Rivett,Michael Rivett, University of BirminghamUniversity of Birmingham Assessing the Role of the Riverbed Hyporheic Zone inAssessing the Role of the Riverbed Hyporheic Zone in Controlling EDC Fate and TransportControlling EDC Fate and Transport Andrew Hewitt,Andrew Hewitt, CART, New ZealandCART, New Zealand Pesticide Transport and Deposition in Aquatic Environments from Spray andPesticide Transport and Deposition in Aquatic Environments from Spray and

Vapor DriftVapor Drift

Naresh Singhal,Naresh Singhal, University of AucklandUniversity of Auckland Sources, Transport Pathways, and Fate of Estrogenic EDCs in the EnvironmentSources, Transport Pathways, and Fate of Estrogenic EDCs in the Environment

How Yong Ng,How Yong Ng, National University of SingaporeNational University of Singapore Biodegradation and Sorption of EDCs by SludgeBiodegradation and Sorption of EDCs by Sludge

Kenneth M.Y. Leung,Kenneth M.Y. Leung, University of Hong KongUniversity of Hong Kong The Potential Use of Biomonitoring Data for Revealing the FateThe Potential Use of Biomonitoring Data for Revealing the Fateand Ecologicaland Ecological Risks of Endocrine Disrupting ChemicalsRisks of Endocrine Disrupting Chemicals

F. Michael Saunders,F. Michael Saunders, National University of Singapore Fate of Wastewater Persistent Organics in Water Column and Role ofNational University of Singapore Fate of Wastewater Persistent Organics in Water Column and Role of

Aquatic Plant ProcessesAquatic Plant Processes

Angela Y.C. Lin,Angela Y.C. Lin, National Taiwan UniversityNational Taiwan University Quantifying Photodegradation of Antibiotics in Rivers (Quantifying Photodegradation of Antibiotics in Rivers (presented bypresented byW LUNG)W LUNG)

Ji-Dong Gu,Ji-Dong Gu, University of Hong KongUniversity of Hong Kong Degradation of Phthalate Esters by Bacteria of Sediments and OceanDegradation of Phthalate Esters by Bacteria of Sediments and Ocean

X.Y. Li,X.Y. Li, University of Hong KongUniversity of Hong Kong Adsorption Behavior of Benzyl Butyl Phthalate on Marine SedimentsAdsorption Behavior of Benzyl Butyl Phthalate on Marine Sediments Van Ngyuen,Van Ngyuen, McGill UniversityMcGill University Statistical Downscalling of Precipitation and Temperature Extremes for ClimateStatistical Downscalling of Precipitation and Temperature Extremes for Climate

Related Impact and Adaptation StudiesRelated Impact and Adaptation Studies

Lisa Colosi,Lisa Colosi, University of VirginiaUniversity of Virginia Evaluating Toxicity of Multiple-Contaminant Mixtures at EnvironmentallyEvaluating Toxicity of Multiple-Contaminant Mixtures at EnvironmentallyRelevant ConcentrationsRelevant Concentrations

Winston Lung,Winston Lung, University of VirginiaUniversity of Virginia Proposed Modeling Framework to Track the Fate and Transport of EDCs andProposed Modeling Framework to Track the Fate and Transport of EDCs andPPCPs in EcosystemsPPCPs in Ecosystems

Other Participants: James Smith, University of Virginia and Richard Davis, Attorney at Law, Beveridge and DiamondOther Participants: James Smith, University of Virginia and Richard Davis, Attorney at Law, Beveridge and Diamond

W k h O d A iW k h O t d A ti


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Workshop Outcome and ActionWorkshop Outcome and Action

ItemsItems

Phase IPhase I- a Position Paper used a tool to solicit- a Position Paper used a tool to solicitfundingfunding

Phase IIPhase II- a Medium Project (National- a Medium Project (NationalApplication)Application)

Phase IIPhase II- Initial Pilot Study ($20K)- Initial Pilot Study ($20K)

- a Mega Project ($5-$10M 3-Year)- a Mega Project ($5-$10M 3-Year)


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Tentative Outline of PositionTentative Outline of Position

PaperPaper

Background and RationaleBackground and Rationale- Aquatic Impact (Fish Feminization &- Aquatic Impact (Fish Feminization & Drinking Water Supply)Drinking Water Supply)- Why EDCs and Pharmaceuticals?- Why EDCs and Pharmaceuticals?

Regulatory IssuesRegulatory Issues- in Different Countries and Regions- in Different Countries and Regions- Legal Policy- Legal Policy

Target CompoundsTarget Compounds- Estrogens & Antibiotics- Estrogens & Antibiotics-- Nonylphenol- Bisphenol-A (BPA)

Observed Levels and EffectsObserved Levels and Effects- Exposures and combined impact- Exposures and combined impact

U21 Expertise on EDCs & PPCPsU21 Expertise on EDCs & PPCPs--


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Potential Study SitesPotential Study Sites

Moores Creek, Charlottesville, VAMoores Creek, Charlottesville, VA- Mixing Zone and Ambient Water Impact- Mixing Zone and Ambient Water Impact

The Tame River in Birmingham, UKThe Tame River in Birmingham, UK

- Ambient Impact on an Urban River- Ambient Impact on an Urban River

A Coastal Embayment in Hong KongA Coastal Embayment in Hong Kong

- Aquatic Impact on Fish Farms- Aquatic Impact on Fish FarmsA Site in Singapore or New ZealandA Site in Singapore or New Zealand

- A Freshwater Reservoir System- A Freshwater Reservoir System

a ngo ng o a ora on w : o e ng:


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a ngo ng o a ora on w : o e ng:Attenuation of Antibiotics in Dahan and SindianAttenuation of Antibiotics in Dahan and Sindian

Rivers in TaiwanRivers in Taiwan

Banciao -Jiangzicui

Danshuei River

Sindian River

DahanRiver

H2H

5

P1

Target Compounds: Acetaminophen, Erythromycin and Gemfibrozil


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Results of Simple Mixing Zone ModelResults of Simple Mixing Zone Model

with Attenuation of EDCs: 0.5 daywith Attenuation of EDCs: 0.5 day-1-1


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e a uxen s uaryx yandand

Monitoring StationsMonitoring Stations

200 300 400 500 600 700 800 900 10000

10

20

30

40

50

60

70

JulianDay

FlowRate,m3/s

Fig. 1


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Attenuation of AntibioticsAttenuation of Antibiotics

in The Patuxent Estuary:in The Patuxent Estuary:

Model ResultsModel Results

KDC=

0.01

0.1

1

10

0 20 40 60 80 100 120 140Segmen

Chem.

Conc.(ng/L)

J ulian Day: 44

J ulian Day: 62

KDC=0.

1E-11

1E-10

1E-09

1E-08

1E-07

1E-06

1E-05

0.0001

0.001

0.01

0.1

1

0 50 100 150 200

S

Chem.

Conc.(ng/L)

J ulian Day: 44

J ulian Day: 62

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