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PERMIT: CO-0034142 <br />CDOH SITE #022, 1SP, Strip Pit <br />PERIOD: FEBRUARY 1998 <br />Parameter Date <br /> 2/3/98 2/11/98 2/16/98 2!23/98 <br /> L F L F <br />pH 8.30 8.49 8.40 8.50 <br />Conductivity (umhos/cm) 1580 1597 1593 1536 <br />TSS(mg/L) 24 <5 <br />TDS (mg/L) <br />Oil & Grease (mg/L) NO NO NO NO <br />TR Fe (mg/t.) 1.29 <br /> <br />Depth of Flow (feet) 0.20 0.20 0.18 0.20 <br />Q (mgd), wk 0.0282 0.0282 0.0217 0.0282 <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 8.30 8.50 8.42 <br />Conductivity (umhos/cm) 1536 1597 1577 <br />TSS (mg/L) 0 24 12 <br />TDS (mg(L) 0 0 #DIV/0! <br />Oil & Grease (mg/L) 0 0 0 <br />TR Fe (mg/L) 1.29 1.29 1.29 <br />TR Zn (mg/L) 0.00 0.00 0.00 <br />Depth of Flow (feet) 0.18 0.20 0.20 <br />Q (mgd), wk 0.0217 0.0282 0.0266 <br />2R4N8 <br />SSC H:VNONI'I'ORINGV 998 DMG'S~EMPIItE~1SP.XLS <br />