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<br />. <br /> <br />Table 14 <br /> <br />Comparison of Mean Concentrations (mg/~) for Stream Water <br />Constituents in the Three Watersheds under Stormflow and <br />Baseflow (LOW Flow) Conditions (Turner and Burton, 1975). <br /> <br />Constituent Forested Suburban Urban <br /> Stormflow <br />SS* 34:!:25 176024 299:!:378 <br />TDS* 58:!:25 115:!:118 16l:!:181 <br />Silicon 3.57:!:0.48 2.56:!:0.49 1. 72:!:0. 74 <br />NOs-N 0.06:!:0.03 0.30:!:0.15 0.12:!:0.10 <br />NO-N 0.002:!:0.002 0.04:!:0.05 0.014:!:0.02 <br />2 <br />NH -N 0.06:!:0.02 0.08:!:0.05 0.16:!:0.23 <br />s <br />PO -P 0.10:!:0.06 0.05:!:0.04 0.12:!:0.13 <br />4 <br /> Baseflow <br />SS* 12:!:4 7:1:3 10:!:17 <br />TDS* 43:!:8 53:!:9 86:!:30 <br />Silicon 4.17:1:0.54 2.96:!:0.13 2.15:!:0.74 <br />NOs-N 0.05:!:0.03 0.18:!:0.05 0.10:!:0.06 <br />N02-N 0.009:!:0.022 0.021:!:0.045 0.007:!:0.01l <br />Nit -N 0.04:!:0.01 0.05:!:0.02 0.06:!:0.12 <br />s <br />PO -P 0.13:!:0.06 0.04:!:0.02 0.06:!:0.03 <br />4 <br /> <br />* SS = suspended solids. <br />* TDS = total dissolved solids. <br /> <br />34 <br /> <br />. ~ <br />