www.epa.govhttps://epa.ohio.gov/ www.nelac-institute.orgwww.ohiowea.orgwww.oawwa.orgwww.standardmethods.orgwww.wef.orgwww.awwa.orgwww.acil.orghttps://epa.ohio.gov/static/Portals/28/documents/pws/CompleteWellAnalysis.pdf
