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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Mercury Trends in Freshwater Fish, 2011 Sampling Results |
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Mercury Trends in Freshwater Fish, 2011 Sampling Results (Number of pages: 10) (Publication Size: 351KB)
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| Author(s) | Mathieu, C. and M. Friese | ||||
| Description | The Department of Ecology analyzed 70 individual fish and 19 fish tissue composites from 6 freshwater lakes as part of the seventh year (2011) of a long-term monitoring program to assess temporal trends in mercury levels of freshwater fish in Washington State. Individual bass mercury concentrations ranged from not detected (16.5 U) to 607 ppb. All fish tissue samples met the National Toxics Rule water quality standard for mercury (770 ppb). Statistical tests indicated no difference in fish mercury levels between 2006 and 2011 for individual fish from Mason, Meridian, Moses, and Offutt Lakes. Mercury levels in Newman Lake bass were 7% and 10% lower in 2006 and 2011 compared to data from 2002. Lake Sammamish bass mercury levels were 5% higher in 2011 than 2006. |
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Callie Mathieu at 360-407-6965 or callie.mathieu@ecy.wa.gov | ||||
| Keywords | toxics monitoring, fish, trend, mercury, PBTs, lake | ||||
| WEB PAGE | Mercury in fish tissue | ||||
| WATERSHED | Water Resource Inventory Areas (WRIA 08,WRIA 09,WRIA 13,WRIA 14,WRIA 41,WRIA 57) |
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| DATA | Environmental Information Management (EIM) #HgFish11 |
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| RELATED PUBLICATIONS | Title:
Measuring Mercury Trends in Freshwater Fish, 2016 Sampling Results Measuring Mercury Trends in Freshwater Fish, 2015 Sampling Results Measuring Mercury Trends in Freshwater Fish, 2014 Sampling Results Mercury Trends in Freshwater Fish, 2013 Sampling Results Measuring Mercury Trends in Freshwater Fish, 2012 Sampling Results Measuring Mercury Trends in Freshwater Fish in Washington State, 2010 Sampling Results Measuring Mercury Trends in Freshwater Fish in Washington State, 2009 Sampling Results Quality Assurance Project Plan Addendum: Measuring Mercury Trends in Freshwater Fish in Washington State. Measuring Mercury Trends in Freshwater Fish in Washington State, 2008 Sampling Results Measuring Mercury Trends in Freshwater Fish in Washington State: 2007 Sampling Results Measuring Mercury Trends in Freshwater Fish in Washington State: 2006 Sampling Results Measuring Mercury Trends in Freshwater Fish in Washington State: 2005 Sampling Results Quality Assurance Project Plan: Measuring Mercury Trends in Freshwater Fish in Washington State |
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