Wild rice sulfate standard study

Wild rice with canoeWith funding from the 2011 Legislature, the MPCA contracted with the University of Minnesota to research how sulfate affects wild rice. Research projects — including a field survey, laboratory experiments, and mesocosm (pot) experiments — began in 2012 and were completed by December 2013.  

The research was based on a scientific protocol developed in 2010-2011 by the MPCA in consultation with the U.S. Environmental Protection Agency, Minnesota Tribes, and the Minnesota Department of Natural Resources, and with input from interested and affected stakeholders. The protocol identifies key information needed to enhance understanding of the effects of sulfate on wild rice.

The agency is using the study to determine if the wild rice sulfate standard needs to revised.

Quality assurance project plans (QAPPs)

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Scientific peer review

The MPCA contracted with Eastern Research Group, Inc. (ERG) to convene and facilitate the August 2014 scientific peer review of the MPCA’s draft analysis of the research. The peer review is documented in this final report from ERG, released in September 2014: PDF icon Summary Report of the Meeting to Peer Review MPCA’s Draft Analysis of the Wild Rice Sulfate Standard Study

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