May 20, 2013: The DNR will hold a public hearing on a proposed wastewater discharge permit for Ziegler Dairy Farms and GL Dairy Biogas LLC/ Middleton Digester. There are two linked projects, the proposed Dane County Manure Handling Facility (Middleton Digester) to be operated by GL Dairy Biogas, LLC and the expansion they have planned will make them a concentrated animal feeding operation requiring permit coverage. GL Dairy has applied for a WPDES permit for the Middleton Digester because it is a new industrial processing facility.

May 21, 2013: The Division of Hearing and Appeals will hold a telephone prehearing conference in the matter of a conditional high capacity well approval for two potable wells to be located in the Town of New Chester, Adams Count issued to New Chester Dairy, Inc. and MilkSource Holdings, LLC.

May 21-22, 2013: The Natural Resources Board meeting agenda includes a recommendation to change the state mercury rule in response to the promulgation of federal rules regulating mercury. The federal rules are the Mercury Air Toxics Standards which is applicable to EGUs larger than 25 MW and the Industrial, Commercial and Institutional (ICI) Boiler rule which is applicable to EGUSs smaller than 25 MW. Both rules establish maximum achievable control technology (MACT) emission limitations for mercury as required under Section 112 of the Clean Air Act. The agenda also includes a request for an approval of two scope statements to initiate rulemaking. The first scope statement covers revisions to ch. NR 149, which establishes requirements for laboratories participating in the laboratory certification and registration program. The rule revisions are expected to minor, to bring it up to date with federal regulations, address technological changes and to clarify regulation. The second scope statement covers revisions to the Wisconsin Administrative Code required by the new ferrous mining laws.

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