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Table of Environmental Monitoring Studies

Figure 1. Cyclic Siloxanes Environmental Research and Monitoring Timeline (Revised 6-16-09)

Figure 1. Cyclic Siloxanes Environmental Research and Monitoring Timeline (Revised 6-16-09)
Click to enlarge image

Figure 2. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports (Revised 6-15-09)

Figure 2. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports (Revised 6-15-09)
Click to enlarge image

Figure 3. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports continued (Revised 6-15-09)

Figure 3. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports continued (Revised 6-15-09)
Click to enlarge image

Figure 4. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports continued (Revised 6-15-09)

Figure 4. Cyclic Siloxanes - Table of Key Ongoing Studies and Interim Reports continued (Revised 6-15-09)
Click to enlarge image

Text versions of Figures 2, 3 and 4

ProjectPBT EndpointSponsorSample Collection / ProcessingDraft ReportFinal ReportStatus
Lake Pepin: Aquatic food web MonitoringBiomagnification in
aquatic food web
Silicone
Industry
DNR - May-2008 of and Dow Corning HES LabOct. 2008 (Completed and sent to Environment Canada and UK)March 2009Draft report submitted -
Final report complete.
Needs to be submitted to
EC and UK along with
B Modeling report
Lake Pepin B ModelingTrophic
magnification modeling
Silicone
Industry
Dow Corning HES Lab and HydroQual, IncMarch 2009June 2009Modeling results mirror
those obtained in the food
chain monitoring of Lake
Pepin (TMF is below 1).
A poster was presented
at SETAC North
America utilizing the
AQUAWEB model and
at SETAC EU. A draft
report from HydroQual
is under review.
Lake Pepin Sediment MonitoringFate and TransportSilicone
Industry
Dow Corning HES Lab, Evonik Analytical LabJuly 2009Dec 2009Initial sediment
monitoring was conducted
in 2006, 2007, 2008 and
will be sampled again
in 2009.
Lake Pepin: Terrestrial food webBiomagnification
in terrestrial food web
Silicone
Industry
DNR and Dow Corning HES LabJune 2009Sept 2009Mink have been
collected.
Analysis should be
complete by June 2009.
Lake Pepin QWASI ModelingFate and transport
prediction with comparison to monitoring data
Silicone
Industry
Cranfield UniversityMay 2009July 2009First draft report has
been circulated for review.
Lake Opeongo: Aquatic monitoringBioaccumulation
in aquatic biota
Silicone
Industry
Environment Canada and Dow Corning HES LabMarch. 2009 (Delayed due to QC issues)July 2009Detection limits not
sufficient for food web
assessment. A draft
report should be issued
in the next month.
Lake Ontario/Toronto Harbor Sediment MonitoringFate and transportSilicone
Industry
Environment Canada andCompleteCompleteComplete
Lake Ontario QWASI ModelingFate and transport
prediction with
comparison to
monitoring data
Silicone
Industry
Cranfield UniversityMay 2009July 2009First draft of report
has been circulated for review.
Lake Ontario/Lake Superior Lake TroutBioaccumulation
in aquatic biota
Silicone
Industry
Environment Canada and Dow Corning HES LabMarch 2009 (Delayed due to QC issues)July 2009Additional sampling
is being considered.
Inter-lab comparison of Reference biota samples with and without siloxanesAnalytical Method
inter lab validation
Silicone
Industry
and Environ-
ment Canada
Environment Canada, Norwegian Pollution Control (NILU), Dow Corning HES Lab, Evonik Analytical Lab, Stockholm UniversityAugust 2009Dec. 2009Samples have been
purchased and processed
for transfer to laboratories.
Whole fish handling and
processing will also
be incorporated.
Norway inter-lab comparison: Analysis of Cod LiversAnalytical Method
inter-lab validation
Silicone
Industry
Norwegian Pollution Control, Dow Corning HES Lab, Evonik Analytical LabMarch 2009June 2009Final report in progress.
Final reviews and edits
of the data underway.
Remote monitoringLong-range transportSilicone
Industry
Norwegian Pollution Control, Dow Corning HES Lab, Evonik Analytical LabApril 2009Sept 2009Samples collected from
Norway in November
2008. Analysis complete.
Preliminary results
presented by CES at
SETAC EU Workshop.
Oslo Fjord: Aquatic food webBioaccumulation/
Biomagnification
in aquatic food web
Silicone
Industry
Norwegian Pollution Control, Dow Corning HES Lab, Evonik Analytical LabMay 2009Oct. 2009Samples collected from
the Norway in November.
Analysis underway Draft
underway. Analysis
expected by end of April
2009. This is dependant
on outside analysis of lipid
and isotopic fractionation.
Oslo Fjord - CoZMO-POP and multi-compartment QWASI-based modelling of Oslo Fjord (= Oslofjord POP Model)Transport Fate and prediction with
comparison to
monitoring data
Silicone
Industry
Cranfield UniversityApril 2009Oct 2009of Oslo First draft
Fjord CoZMO-POP
and multicompartment
QWASI-based modelling
of Oslo Fjord (= Oslofjord
POP Model) circulated
for review.
Remote Sweden Biota (D5 only)Bioaccumulation in aquatic biotaUnileverStockholm UniversityFeb 2009 (Poster)Dec 2009presented at Poster SETAC
North America (Poster
provided to EC and UK)
CoZMo-POP Model for Persistent Organic Pollutants: Baltic proper region with the "Coastal Zone"Fate and Transport predictionSilicone
Industry
Cranfield UniversityMay 2009July 2009Draft Report in progress
Report on dynamic and temperature dependent modeling of Lake Ontario and Lake PepinFate and TransportSilicone
Industry
Cranfield UniversitySept. 2009Dec. 2009Modeling ongoing
Atmospheric Degradation Study of D4 and D5P -- ½ life in airSilicone
Industry
University of Iowa/Dow CorningMarch 2009 (University of Iowa were delayed due to flooding of their labs)Aug. 2009Additional work continues
to show that that partitioning
to aerosol surfaces with reaction
on the surface may constitute
an important loss pathway
for the relatively volatile
siloxane species in the
environment. 2 reports
have been issued by the
University of Iowa and
the work was presented
at the Canadian Workshop.
Preliminary DC work was
presented at SETAC EU.
Aerobic transformation of D4 in water/ sediment systemsP -- ½ life in sedimentSilicone
Industry
Dow Corning HES LabApril 2009July 2009Preliminary study complete and results submitted to UK Environment Canada and UK. Definitive study nearing completion.
Aerobic transformation of D5 in water/sediment systemsP -- ½ life in sedimentSilicone
Industry
Dow Corning HES LabNov. 2009Dec. 2009Preliminary study nearing completion and definitive study just initiated.

 

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