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PERMIT: CO-0034142 <br />CDOH SITE #022, 1SP, Strip Pit <br />PERIOD: APRIL 1998 <br />Parameter Date <br /> 4/7/98 4/14/98 4/23/98 4/29/98 <br /> L F L L <br />pH 8.45 8.53 8.43 8.48 <br />Conductivity (umhos/cm) 1875 1824 1819 1768 <br />TSS (mg/L) <5 <5 <br />TDS (mg/L) 1110 <br />Oil & Greaze (mg/L) NO NO NO NO <br />TR Fe (mg/L) 0.11 <br />TR Zn (mg/L) 0.01 <br />Depth of Flow (feet) 0.28 0.28 0.26 0.26 <br />Q (mgd), wk 0.0654 0.0654 0.0543 0.0543 <br />Q (mgd) - (2.4381 x H"2.5) x 0.6463 <br />90 deg. Notch weir <br />NOTES: <br />Parameter Min Max 30 Da Avera e <br />pH 8.43 8.53 8.4725 <br />Conductivity (umhos/cm) 1768 1875 1821.5 <br />TSS (mg/L) 0 0 0 <br />TDS (mg/L) 1110 1110 1110 <br />Oil & Grease (mg/L) 0 0 0 <br />TR Fe (mg/L) 0.11 0.11 O.l l <br />TR Zn (mg/L) 0.01 0.01 0.01 <br />Depth of Flow (feet) 0.26 0.28 0.27 <br />m , wk 0.0543 0.0654 0.0598 <br />vza~9a <br />SSC H:VNOMTORIIi('V 998 DMG'S~EMPQtE\1SP.XIS <br />