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9 <br /> Attachment C. Graph of water quality sample Nitrate (as Nitrite) <br /> concentrations <br /> Nitrate-Nitrite as N, mg/I From i i . To 2015-10-1 <br /> Qj <br /> r r ' r r <br /> Legend: <br /> ELC-3.1 Ellerbe Creek at Glenn Road, Durham County yellow <br /> ENR-23 Eno River at Cole Mill Road, Durham County <br /> FLR-5.0 Flat River at Old Oxford Highway, Durham County green <br /> KRC-4.5 Knap of Reeds Creek at SGWASA WWTP, Granville County M <br /> NLR-27 North Fork Little River at New Sharon Church Road light blue <br />