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Eighteenth Year of the Gulf of Maine Environmental Monitoring Program

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Eighteenth Year of the Gulf of Maine Environmental Monitoring Program University of New Hampshire University of New Hampshire Scholars' Repository Institute for the Study of Earth, Oceans, and PREP Reports & Publications Space (EOS) 1-2009 Eighteenth Year of the Gulf of Maine Environmental Monitoring Program Lawrence A. LeBlanc University of Maine School of Marine Sciences Christian Krahforst Massachusetts Bays National Estuary Program Jamie Aube Environment Canada Shawn Roach Department of Fisheries and Oceans Guy Brun Environment Canada See next page for additional authors Follow this and additional works at: https://scholars.unh.edu/prep Part of the Marine Biology Commons Recommended Citation LeBlanc, Lawrence A.; Krahforst, Christian; Aube, Jamie; Roach, Shawn; Brun, Guy; Harding, Gareth; Hennigar, Peter; Page, David; Jones, Stephen H.; Shaw, Susan; Stahlnecker, James; Schwartz, Jack; Taylor, Darrell; Thorpe, Bruce; and Wells, Peter, "Eighteenth Year of the Gulf of Maine Environmental Monitoring Program" (2009). PREP Reports & Publications. 385. https://scholars.unh.edu/prep/385 This Report is brought to you for free and open access by the Institute for the Study of Earth, Oceans, and Space (EOS) at University of New Hampshire Scholars' Repository. It has been accepted for inclusion in PREP Reports & Publications by an authorized administrator of University of New Hampshire Scholars' Repository. For more information, please contact [email protected]. Authors Lawrence A. LeBlanc, Christian Krahforst, Jamie Aube, Shawn Roach, Guy Brun, Gareth Harding, Peter Hennigar, David Page, Stephen H. Jones, Susan Shaw, James Stahlnecker, Jack Schwartz, Darrell Taylor, Bruce Thorpe, and Peter Wells This report is available at University of New Hampshire Scholars' Repository: https://scholars.unh.edu/prep/385 Gulfwatch 2008 Data Report: EIGHTEENTH YEAR OF THE GULF OF MAINE ENVIRONMENTAL MONITORING PROGRAM Prepared for Gulf of Maine Council on the Marine Environment January 2009 By: Lawrence A. LeBlanc1 Christian Krahforst2, Jamie Aube3, Shawn Roach4, Guy Brun3, Gareth Harding5, Peter Hennigar6, David Page7, Stephen Jones8, Susan Shaw9, James Stahlnecker10, Jack Schwartz11, Darrell Taylor12, Bruce Thorpe13, and Peter Wells14 1University of Maine School of Marine Sciences, Orono, ME, USA 2Massachusetts Bays National Estuary Program, Boston, MA, USA 3Environment Canada, Moncton, NB, CA 4Department of Fisheries and Oceans, Halifax, NS, CA 5Bedford Institute of Oceanography, Fisheries and Oceans, Dartmouth, NS, CA 6Environment Canada, Dartmouth, NS, CA 7Dept. of Chemistry, Bowdoin College, Brunswick, ME, USA 8University of New Hampshire, Durham, NH, USA 9Marine Environmental Research Inst., Blue Hill, ME, USA 10Maine Dept. Environmental Protection, Augusta, ME, USA 11Massachusetts Division of Marine Fisheries, Gloucester, MA, USA 12Nova Scotia Department of Environment, Halifax, NS, CA 13New Brunswick Department of Agriculture, Fisheries, and Aquaculture, St. George, NB, CA 14OceansOne, Halifax, NS, CA 1 TABLE OF CONTENTS LIST OF.FIGURES.............................................................................................................................4 LIST OF TABLES..............................................................................................................................7 1.0 INTRODUCTION….............................................................................................................10 1.1 Programmatic Rationale........................................................................................................10 2.0 METHODS ............................................................................................................................12 2.1 Sampling Design…………………………………...……………………………………….12 2.2 2008 Sampling Stations ..........................................................................................................13 2.3 Field and Laboratory Procedures.............................................................................................18 2.4 Analytical Procedures ...........................................................................................................19 2.4.1 Metals................................................................................................................................19 2.4.2 Organic Contaminants......................................................................................................20 2.4.3 Ancillary parameters.........................................................................................................23 2.5 Quality Assurance / Quality Control......................................................................................23 2.6 Data Presentation………………………………………….………………..........................24 3.0 RESULTS AND DISCUSSION ...........................................................................................25 3.1 2008 Field Operations and Logistics Summary ....................................................................26 3.2 Trace Metal Concentrations ..................................................................................................29 3.3 Organic Contaminants Concentrations .................................................................................29 3.4 Contaminant concentrations in other shellfish……………………………………………...31 4.0 2008 DISTRIBUTIONS OF CONTAMINANTS IN MYTILUS EDULIS........................32 4.1 Spatial Patterns ......................................................................................................................32 4.1.1 Silver (Ag) .......................................................................................................................32 4.1.2 Cadmium (Cd) .................................................................................................................34 4.1.3 Chromium (Cr) ................................................................................................................35 4.1.4 Copper (Cu) .....................................................................................................................36 4.1.5 Iron and Aluminum (Fe & Al) .........................................................................................38 4.1.6 Nickel (Ni) .......................................................................................................................38 4.1.7 Lead (Pb) ..........................................................................................................................38 4.1.8 Zinc (Zn)...........................................................................................................................40 4.1.9 Mercury (Hg) ...................................................................................................................41 4.1.10 Organic Contaminants…………....................................................................................42 4.2 Temporal Patterns...................................................................................................................46 4.3 Dry Weight and Lipid Fractions………………………........................................................73 4.4 Shell Length and Condition Index………………………………….....................................75 4.4.1 Shell Morphology ............................................................................................................75 5.0 2008 GULFWATCH SUMMARY........................................................................................78 6.0 REFERENCES ......................................................................................................................80 7.0 ACKNOWLEGMENTS……………………………………………………...……………83 APPENDIX A: Sample Collection Information............................................................................84 APPENDIX B: Reported Methods Detection Limits ...................................................................93 APPENDIX C: Summary of Trace Metal Analysis Quality Assurance/Quality Control For 2008……………............................................................................................................................96 C.1 Accuracy................................................................................................................................96 C.1.1 Standard Reference Materials .........................................................................................96 2 C.1.2 Blank and Matrix Spikes .................................................................................................97 C.2 Precision ...............................................................................................................................98 C.3 Blanks....................................................................................................................................98 C.4 Completeness........................................................................................................................98 C.5 Battelle QA/QC Narrative for 2006 Samples .......................................................................99 APPENDIX D: Summary of 2008 Organic Contaminant Analysis Quality Assurance/Quality Control……………………………………………………........................................................102 D.1 Accuracy ............................................................................................................................102 D.1.2 Matrix Spikes...................................................................................................................102 D.1.2 Surrogate Recoveries.......................................................................................................106
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