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Report of the Board of Review for Decamethylcyclopentasiloxane (Siloxane D5)
- Preface
- 1 Terms and Abbreviations Used in this Report
- 2 Executive Summary
- 3 Statement of Reasons of the Siloxane D5 Board of Review
- 4 The Nature, Use, Distribution, Concentrations, and Toxicity of Siloxane D5
- 5 Assessment of the Nature and Extent of the Danger to the Environment Posed by Siloxane D5
- 6 Conclusions of the Board of the Review
- 7 Costs
- 8 Strengths and Uncertainties
- 9 Observations and Recommendations
- 10 References
- Appendix A
- Appendix B
- Appendix C
- Appendix D
10 References
Annelin RB, Frye CL. 1989. The piscine bioconcentration characteristics of cyclic and linear oligomeric permethylsiloxanes. Science of the Total Environment 83:1-11. Ringtail # A-000257.
Brooke DN, Crookes MJ, Gray D, Robertson S. 2009. Environmental Risk Assessment Report: Decamethylcyclopentasiloxane. Bristol, UK: Environment Agency. Number 978-1-84911-029-7. 223 p. http://publications.environment-agency.gov.uk/pdf/SCHO0309BPQX-e-e.pdf. Ringtail # A-000145 and A-000149.
CCME. 2010. A Review of the Current Canadian Legislative Framework for Wastewater Biosolids. PN 1446. ISBN 978-1-896997-95-7 PDF. 65 p. http://www.ccme.ca/assets/
pdf/pn_1446_biosolids_leg_review_eng.pdf.
CCTFA. 2011a. Summary Data D5 Distribution by Product Category - Annex 19. Mississauga, ON, Canada: Canadian Cosmetic Toiletry and Fragrance Association. 2011. Report number not provided. 1 p. Ringtail # B-000023.
CCTFA. 2011b. CCTFA Expert Statements to the D5 Board of Review. Statements of D Swaile, B Price, R van Egmond. Mississauga, ON, Canada: Canadian Cosmetic Toiletry and Fragrance Association,. February 18, 2011. Report number not provided. 434 p. Ringtail # C-000007.
CEMC Canadian Environmental Modelling Centre, Trent University. 2003. [EQC] Equilibrium Criterion Model [computer program]. Version Ver. 2.02 Peterborough (ON) http://www.trentu.ca/academic/aminss/envmodel/models/EQC2.html. Ringtail # A-000048.
CEPA 1999. Canadian Environmental Protection Act. Ottawan On, Canada. p 255. Ringtail # A-000016.
Cowan-Ellsberry C. 2011. Environmental Fate and Exposure Modeling: Aquatic Exposure -Annex 15. 13 p. Ringtail # B-000019.
Cowan-Ellsberry C, Mackay D. 2011a. Christina Cowan-Ellsberry and Don MacKay, Slide Presentation on D5 Fate and Effects, April 29, 2011. 18 p. Ringtail # B-000071.
Cowan-Ellsberry C, Mackay D. 2011b. Evaluation of D5 Fate and Exposure Assessment. 13 p. Ringtail # B-000026 and B-000032.
Dow Corning Corporation. 2009. Trophic Dilution of Cyclic Volatile Methylsiloxane (cVMS) Materials in a Temperate Freshwater Lake. Auburn, MI, USA: Health & Environmental Sciences, Dow Corning Corporation. HES Study Number: 10771-108. 61 p. Ringtail # A-000168.
Drottar K. 2005. 14C- Decamethylcyclohexasiloxane (14C-D5): Bioconcentration in the fathead minnow (Pimephales promelas) under flow-through test conditions. Auburn, MI, USA: Health and Environmental Sciences, Dow Corning Corporation. HES Study Number 9882-102. Ringtail # A-000038.
Drottar K. 2007. 14C-Decamethylcyclopentasiloxane (14C-D5): Dietary bioaccumulation in the rainbow trout (Oncorhynchus mykiss) under flow-through conditions. Auburn, MI, USA: Health and Environmental Sciences, Dow Corning Corporation. April 28, 2006. HES 2007-I0000-57314. 102 p. Ringtail # A-000036.
Environment Agency, UK. 2010. Identification of PBT and vPvB substance (D5): results of evaluation of PBT / vPvB properties. CAS number: 541-02-6. 1-98 p. Ringtail # A-000151.
Environment Canada. 2008a. Mass Flow Tool Report on substance: Decamethylcyclopentasiloxane (D5) CAS RN 541-02-6. Gatineau, QC, Canada: Environment Canada, Existing Substances Division. Report number not provided, protected document. 12 p. Ringtail # A-000217.
Environment Canada. 2008b. Assumptions, limitations and uncertainties of the mass flow tool for decamethylcyclopentasiloxane CAS RN 541-02-6. Gatineau, QC, Canada: Environment Canada. June 2008. Report number not provided. Ringtail # A-000045.
Environment Canada. 2009. Guidance for Conducting Ecological Assessments under CEPA 1999 - Science Resource Technical Series - Technical Guidance Module: Mega Flush Consumer Release Scenario - Working Document. Gatineau, QC, Canada: Environment Canada, Existing Substances Division,. March 2009. Report number not provided. Ringtail # A-000249.
Environment Canada. 2010a. Polyfluoroalkyl Compounds (PFCs) and Siloxanes in Air in Support of the Chemicals Management Plan: New Sampling and Analysis Methods, Emissions from the Waste Sector and Long-Range Transport. Gatineau, QC, Canada: Environment Canada, Atmospheric Science and Technology Directorate. April 2008 to May 2010. Report number not provided. 24 p. Ringtail # A-000220.
Environment Canada. 2010b. Evaluation of the Ecological Effects of Siloxane D5 in Soil. Gatineau, QC, Canada: Environment Canada, Soil Toxicology Laboratory, Biological Assessment and Standardisation Section. December 2010. Environment Canada EWHD Report. Report number not provided. 45 p. Ringtail # A-000225.
Environment Canada. 2010c. Concentrations of Cyclic Volatile Methyl Siloxanes (Cvms) in Various Environmental Media from Southern Ontario and Southern Quebec. Gatineau, QC, Canada: Environment Canada, Water Science and Technology Directorate. Environment Canada WSTD Report. Report number not provided. 44 p. Ringtail # A-000227.
Environment Canada. 2010d. Fathead minnow (Pimephales promelas) egg-to-juvenile exposure to decamethylcyclopentasiloxane (D5). Gatineau, QC, Canada: Environment Canada, Ecological Assessment Division. December 10, 2010. Environment Canada WSTD Report. Report number not provided. 25 p. Ringtail # A-000226.
Environment Canada. 2011a. Bioaccumulation and Biomagnification of Octamethylcyclotetrasiloxane (D4) and Decamethylcyclopentasiloxane (D5). Gatineau, QC, Canada: Environment Canada, Ecological Assessment Division. January 10, 2011. Environment Canada SRAD Report. Report number not provided. 149 p. Ringtail # A-000228.
Environment Canada. 2011b. Closing Submission from the Minister of the Environment. Gatineau, QC, Canada: Environment Canada. Report number not provided. 25 p. Ringtail # B-000082.
Environment Canada. 2011c. Ecotoxicity and Environmental Occurrence of Octamethylcyclotetrasiloxane (D4), Decamethylcyclopentasiloxane (D5), and Dodecamethylcyclohexasiloxane (D6). State of the Science. Gatineau, QC, Canada: Environment Canada. January 10, 2011. Report number not provided. 58 p. Ringtail # A-000229.
Environment Canada & Health Canada. 2008. Screening Assessment for the Challenge: Decamethylcyclopentasiloxane (D5) Chemical Abstracts Service Registry Number 541-02-6. Ottawa, ON, Canada: Health Canada and Environment Canada. November 2008. Screening Assessment. Report number not provided. 97 p. Ringtail # A-000141.
Fairbrother A, Klaine SJ, Burton A. 2011. D5 Expert Witness Panel – Toxicity Group Report. Herndon, VA, USA: Silicones Environment Health and Safety Council of North America. Report number not provided. 19 p. Ringtail # B-000029.
Gobas FAPC. 2011. Presentation made by Frank Gobas at the hearing on D5 bioaccumulation. p 16. Ringtail # B-000073.
Gobas FAPC, Huggett DB, Springer TA. 2011. D5 Bioaccumulation Assessment. Burnaby, BC: Simon Fraser University, University of North Texas, Wildlife International Ltd. February 18, 2011. Final Report. Report number not provided. 75 p. Ringtail # B-000027.
Government of Canada. 2000. Canadian Environmental Protection Act: Persistence and Bioaccumulation Regulations (SOR/2000-107). Canada Gazette - Part II Vol. 134:607-612. Ringtail # A-000017.
Government of Canada. 2003. Rules of Procedure for Boards of Review. Ottawa, ON, Canada: Department of Justice SOR/2003-28. Current to June 15, 2011. 10 p. http://laws.justice.gc.ca/eng/regulations/SOR-2003-28/index.html.
Kaj L, 2005. Results from the Swedish National Screening Programme 2004. Subreport 4, Siloxanes. Stockholm, Sweden: IVL Swedish Environmental Research Institute. Report number IVL Report B1643. 40 p. http://www3.ivl.se/rapporter/pdf/B1643.pdf. Ringtail # A-000064.
Kierkegaard A, McLachlan MS. 2010. Determination of decamethylcyclopentasiloxane in air using commercial solid phase extraction cartridges. Journal of Chromatography A 1217:3557-3560. Ringtail # A-000186.
Kim J. 2011. Fate, Distribution and Transport of Decamethylcyclopentasiloxane in the Environment as Predicted by the Equilibrium Criterion (EQC) Model - Annex 11. Herndon, VA, USA: Silicones Environment Health and Safety Council of North America. Report number not provided. 24 p. Ringtail # B-000015.
Mackay D. 2011a. A Discussion of the Physical-Chemical Properties of D5 and their Implications for its Environmental Fate and Effects - Annex 7. Herndon, VA, USA: Silicones Environment Health and Safety Council of North America. 6 p. Ringtail # B-000011.
Mackay D. 2011b. Multimedia chemical fate modeling of D5 using the EQC model. -Annex 12. Herndon, VA, USA: Silicones Environment Health and Safety Council of North America. Report number not provided. 9 p. Ringtail # B-000016.
McLachlan M. 2011. Witness Statement: D5 Board of Review. Stockholm, Sweden: Department of Applied Environmental Science, Stockholm University. March 30, 2011. Report number not provided. Ringtail # A-000255.
McLachlan MS, Kierkegaard A, Hansen KM, van Egmond R, Christensen JH, Skjøth CA. 2010. Concentrations and Fate of Decamethylcyclopentasiloxane (D5) in the Atmosphere. Environmental Science & Technology 44:5365-5370. Ringtail # A-000187.
Nordisk Ministerråd, Nordisk Råd. 2005. Siloxanes in the Nordic Environment. Copenhagen: TemaNord. Report number 2005:593. 92 p. www.norden.org/publications. Ringtail # A-000083.
Norwood WP, Alaee M, Brown M, Galicia M, Sverko E. 2010. Decamethylcyclopentasiloxane (D5) Spiked Sediment: Bioaccumulation and Toxicity in the Benthic Invertebrate Hyalella azteca. Burlington, ON: Environment Canada,, Priority Substances Effects Aquatic Ecosystems Protection Research Division, Water Science and Technology Directorate. September 22, 2010. Report number not provided. 29 p. Ringtail # A-000224.
Opperhuizen A, Damen HWJ, Asyee GM, Van Der Steen JMD, Hutzinger O. 1987. Uptake and elimination by fish of polydimethylsiloxanes (silicones) after dietary and aqueous exposure. Toxicological & Environmental Chemistry 13:265 - 285. Ringtail # A-000215.
Powell DE, Kozerski GE. 2007. Cyclic methylsiloxane (cVMS) materials in surface sediments and cores for Lake Ontario. Auburn, MI, USA: Dow Corning Corporation, Health and Environmental Sciences. HES Study No. 10724-108. 71 p. Ringtail # A-000091.
Powell DE. 2009. Bioaccumulation and Trophic Transfer of Cyclic Volatile Methylsiloxane (cVMS) Materials in the Aquatic Marine Food Webs of Inner and Outer Oslofjord, Norway. Auburn, MI, USA: Dow Corning Corporation, Heath and Environmental Sciences. January 22, 2010. Technical Report. HES Study No. 11060-108. 96 p. Ringtail # A-000171.
Powell DE. 2011. Emission Scenarios for D5 - Annex 10. Midland, MI, USA: Dow Corning Corporation, Health and Environmental Sciences. Report number not provided. 5 p. Ringtail # B-000014.
Powell DE, Seston RM. 2011. Trophic Magnification of Polychlorinated Biphenyls in a Temperate Freshwater Lake. Auburn, MI, USA: Health and Environmental Sciences, Dow Corning Corporation. April 15, 2011. HES Study No: 11625 108. 286 p. Ringtail # B-000062 and 69.
SEHSC/CCTFA. 2011. Post-Hearing Submissions of SEHSC and CCTFA. Herndon, VA, USA: Silicones Environment Health and Safety Council and Canadian Cosmetics, Toiletry and Fragrance Association. Report number not provided. 66 p. Ringtail # B-000083.
SEHSC. 2011a. Supplementary Witness Statement: Review of Megaflush Model and Comparison with Monitoring Data Silicones Environment Health and Safety Council. 9 p. Ringtail # B-000052)
SEHSC. 2011b. Recommended values of D5 physical and chemical properties - Annex 3. Ringtail # B-000007.
Shao-Meng L. 2010. Discussion Paper: The greenhouse warming potential (GWP) and ozone destruction potential (ODP) of cyclic volatile methyl siloxanes (cVMS). Toronto, ON, Canada: Environment Canada, Air Qulaity Research Division, Science and Technology Branch. Report number not provided. 6 p. Ringtail # A-000221.
Springer TA. 2007. Decamethylcyclopentasiloxane (D5): A 96-hour study of the elimination and metabolism of orally gavaged 14C-D5 in rainbow trout (Oncorhynchus mykiss). Easton, MA, USA: Wildlife International, Ltd. July 17, 2007. HES Study Number: 10218-101. 70 p. Ringtail # A-000119.
Transcript of the Public Hearings Vol. 2. Transcripts of the Siloxane D5 Board of Review Ottawa, ON, Canada. Volume 2. 128 p. Ringtail #E-000002.
Transcript of the Public Hearings Vol. 3. Transcripts of the Siloxane D5 Board of Review Ottawa, ON, Canada. Volume 3. 233 p. Ringtail #E-000003.
Transcript of the Public Hearings Vol. 4. Transcripts of the Siloxane D5 Board of Review Ottawa, ON, Canada. Volume 4. 198 p. Ringtail #E-000004.
Transcript of the Public Hearings Vol. 7. Transcripts of the Siloxane D5 Board of Review Ottawa, ON, Canada. Volume 7. 99 p. Ringtail #E-000007.
Transcript of the Public Hearings Vol. 9. Transcripts of the Siloxane D5 Board of Review Ottawa, ON, Canada. Volume 9. 109 p. Ringtail #E-000009.
Varaprath S, McMahon JM, Plotzke KP. 2003. Metabolites of hexamethyldisiloxane and decamethylcyclopentasiloxane in Fischer 344 rat urine--a comparison of a linear and a cyclic siloxane. Drug Metabolism and Disposition 31:206-214. Ringtail # A-000128.
Wang D, Steer H, Young T, Tait T, Williams Z, Pacepavicius G, Ng T, Smyth SA, Kinsman L, Sverko E, Svoboda L, Fazal S, Alaee M. 2010. Concentrations of cyclic volatile methyl siloxanes (cVMS) in various environmental media from Southern Ontario and Southern Quebec. Burlington, ON, Canada: Environment Canada, Water Science and Technology Directorate. December 16, 2010. Report number not provided. Ringtail # A-000254B.
Wang D, Brimbal S, Tait T, Pacepavicius G, Smyth SA, Kinsman L, Alaee M. 2011a. Effect of Seasonal Variations on Concentrations of Cyclic Volatile Methyl Siloxanes (cVMS) in Municipal Wastewater Treatment Plants from Southern Ontario and Southern Quebec. Burlington, ON, Canada: Environment Canada, Water Science and Technology Directorate. April 27, 2011. Report number not provided. 10 p. Ringtail # A-000260.
Wang D, Steer H, Brimble S, Tait T, Williams Z, Pacepavicius G, Alaee M. 2011b. Method Validation Data for Determination of Cyclic Volatile Methylsilicones (cVMS) in Water and Sediment - A Data Summary. Burlington, ON, Canada: Environment Canada, Water Science and Technology Directorate. Report number not provided. 17 p. Ringtail # A-000254A.
Wildlife International 2008. D5: A bioaccumulation test with Lumbriculus variegates using spiked sediment. Easton, MD, USA: Wildlife Internation Ltd. Report Number: 583A-110. 103 p. Ringtail # A-000159.
Xu S, Chandra G. 1999. Fate of cyclic methylsiloxanes in soils. 2. Rates of degradation and volatilization. Environmental Science & Technology 33:4034-4039. Ringtail # A-000136.
Xu S. 2011a. Assessment of Soil Exposure of D5 through Soil-Amendment of Biosolids and Maximum Sorption Capacity at Water Solubility at 25°C - Annex 8. Midland, MI: Dow Corning Corporation, Health and Environmental Sciences. Report number not provided. 3 p. Ringtail # B-000012.
Xu S. 2011b. Half-lives of Decamethylcyclopentasiloxane (D5) in Aquatic Sediments -Annex 4. Midland, MI: Dow Corning Corporation, Health and Environmental Sciences. Report number not provided. 2 p. Ringtail # B-000008.
Xu S. 2011c. Analysis of the Ozone Destruction Potential of D5: Review of Li (2010) -Annex 6. Midland, MI: Dow Corning Corporation. Report number not provided. 4 p. Ringtail # B-000020.
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