Field Office Compliance - Assistance

Assistance ID - 45715

Osceola Water Works - 310338248

2320 WEST CLAY STREET Osceola, IA 50213

Clarke County

FO 5

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Date	Comment	Commenter
3/16/2012	From: Gastineau, Janet [DNR] Sent: Thursday, March 15, 2012 3:49 PM To: emil@grm.net; lmu@grm.net; osceola water Subject: FW: Sodium percarbonate Brandon and Ken, you both called on the same day about an alternate to copper sulfate for control of algae in your source water reservoirs. I asked some questions and have some information below. You will still have to apply for the permit to apply through the water supply engineering staff--Mike Anderson. I hope this information addresses your questions. ________________________________________ From: Bunton, Jennifer [DNR] Sent: Thursday, March 15, 2012 2:20 PM To: Gastineau, Janet [DNR] Subject: Sodium percarbonate Several manufacturers have NSF approval for this compound, which is registered as an algicide. Maximum dosage for all of them looks to be 33 mg/L. Here are all approved manufacturers and brand names: http://www.nsf.org/Certified/PwsChemicals/Listings.asp?CompanyName=&TradeName=&ChemicalName=Sodium+Percarbonate&ProductFunction=&PlantState=&PlantCountry=&PlantRegion= I checked around and found out that Mike Anderson is doing the aquatic pesticide permits.	JANET GASTINEAU

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