State of MichiganDepartment of Environmental Quality
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WestinghouseEnvironmental Services
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Coachella ValleyWater District
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City of Laughlin, NevadaBig Bend Water District
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Montgomery County, OhioSanitary Engineering Department
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City of ColumbusDepartment of Public Utilities
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DLZ Corporation
DLZ Laboratories
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City of Santa Cruz, California
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San Antonio Water SystemEnvironmental Laboratory Division
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Idaho National Engineering and Environmental Laboratory
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City of Santa Rosa, CaliforniaUtilities Department
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City of Santa Barbara, CaliforniaUtilities Department
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City of Long Beach, CaliforniaWater Department
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South Central Connecticut Regional Water Authority
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Environmental Protection AgencyRegion 3 & 5
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Department of EnergyWaste Isolation Plant
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University of IowaHygienic Laboratories
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State of IllinoisEnvironmental Protection Agency
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MA Water Resources AuthorityEnvironmental Laboratories
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