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2009-07-23_AgendaPacket
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2009-07-23_AgendaPacket
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4/16/2010 3:56:32 PM
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Commission/Committee
Commission/Authority Name
Grass Lake WMO
Commission/Committee - Document Type
Agenda/Packet
Commission/Committee - Meeting Date
7/23/2009
Commission/Committee - Meeting Type
Regular
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p ~~~ ~~~~ C~~~11v~i~ C- <br />~~.. <br />USGS Studies on Mercury Cycling in <br />Stream Ecosystems <br />The USGS studied eight streams in Oregon, <br />Wisconsin, and Florida during 2002-2006. <br />Findings show that the relative amount of <br />methylmercury in streams is strongly corre- <br />lated with streamflo~v and the production of <br />methylmercury in the watersheds (particularly <br />in wetland areas), which is subsequently trans- <br />ported in runoff to streams. An unexpected <br />finding was that methylmercury production <br />in channel sediments appears to be relatively <br />unimportant for governing within-stream <br />methylmercury Levels. <br />Publications and data from this study can be <br />accessed electronically at: <br />http:!/water.usgs.gov/nawgalmereurylpubs / <br />Quality of Water from Domestic Wells <br />Across the United States, 1991-2004 <br />This study from the National Water-Quality <br />Assessment (NAWQA) Program of the U.S. <br />Geological Survey (USGS) assesses water- <br />quality conditions for about 2,100 private <br />domestic wells across the United States. Study <br />results can be found at: http://water.usgs.gov/ <br />nawga/studies/domestic_wells/ <br />Toward a Sustainable and Secure Water <br />Future: A Leadership Role for the U.S. <br />Geological Survey <br />Committee on Water Resources Activities; <br />National Research Council <br />Water is our most fundamental natural re- <br />source, aresource that is limited. Challenges <br />to our nation's Fvater resources continue to <br />grotiv, driven by population growth, ecological <br />needs, climate change, and other pressures. <br />The nation needs more and improved water <br />science and information to meet these chal- <br />lenges. To view this publication, visit: www <br />. nap.edulcatalog.php?record_id=l 2672 <br />,~, <br />~L' <br />Sign up to receive the <br />Minnegram electronically. <br />Help us reduce our use of <br />ink and paper. <br />Order your Minnegram <br />online at: <br />tt®//wre.un.ed/ <br />iriegrasurvey <br />~. ~ _ June 2OQ9_. <br />_ _ - <br />IlIII~! U ~'ili~iilif~~'itll~tlll~Il Rllflfilll~~ilt1ll(ii~i+l~ <br />C1 CT .~ fiBS:-~~• t.~s:~Nt j~~'T~ F~•a~,.tc,cf8 <br />hl ~ S F ~ F i'? L109 tk~~ <br />at.thi ®.y~-7 ~~~...t~ <br />F d ~.t. <br />15mS+' .;t.T`_~Tt7-«:~:.~011'IkJx::F:x:~:~:~:~x:~s:*: <br />patsanba.: aalnlas ssa.~ppy <br />"~`~ ~'~~~ ~~~ (' ~3A18~ ~ solss NW `tnEa •~s <br />SS l 'ON .LIW213d ~;~. , ~~ ~~ <br />•' ~'i-- +~ ~, anuany p.~o~jng 5 86 [ <br />NW `SI"IOdd3NNIW ' <br />QIb'd 3Jd.LSOd 'S'll ~^ -' 11QH IeaNaW £Lt <br />. ~. i <br />J2i0 .LId021dNON .~alua~ saolnosa~ .taxeM <br />
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