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COLOR;tDO DEP:IRI:LlEr`lT OF PUBI !C HE. fLTll :I,VD ErVVIRON,LIEr`IT. bbitrer Qreulir; Grnuv~l Drrrsinn <br />Rutionnle -.Irnendmeru Plu. 1. Page 8. Permit Vo CO-0000221 <br />The Divh fort finds that the pern~irree has demonstrated rhnt these outfa(Is renrcun consistently in mrnpliance wulr <br />• the pH and otl and grease lnnrrnrions. There is na reason m e.cpect drat dreg would be our of rnrnp6an,'2 unless <br />algae rn ponds m stunner con(ributes to u nse vt pN and it appears that the pernurtee mm~nges dteir ponds to <br />nvoirl this. There is no benefit from weekly monitoring. Thus, dris permit amendment will irtcAcde a monirormg <br />rerbtc(iar (o a ntaulrly frequency jot outfufls 002. 004, 005. 006. 003, 009. 0!0 and 011 for pH. otl and <br />grease, and flow. Tire ameruled Jrequenc'ies lor!he ensnng outja[ls are shown in Tabfes VI-h. VI-7 and V/-$. <br />Table VI--! -- tlfonitorinq Requirements for Outfulls 012, 013, 014. 016, at:d 017 <br />Parnmeter rVleasurement Frequertcv Sample Type <br />Flotiv, ,LIGD LVeekly Instantaneous <br />or Continuous <br />Toml Suspended Solids, nrg/P Monttly Grab <br />Total Iron, mg/P rLlonthly Grab <br />Settleable Solids, mP/P rYlonthly Grab <br />Oil and Grease. mg/P Monthly Visual a/ <br />pN, s. u. Weekly !n-situ <br />Total Dissolved Salids, rng/P Qunrterly Grab <br />ntv Fffluvnr Tnririrv 4rurv nunrly rlv r:rnh <br />Table VI-S- rbfanitorin¢ Requirements Jor Outfall OIS <br />Parameter Measurement Frequency Sample Type <br />• Flow, rV/GD Weekly Instantaneous <br />or Continuous <br />Tonal Suspended Solids, mg/P Monthly Grnb <br />Total Iron, mg/P Monthly Grab <br />Settleable Solids, ntP/P Monthly Grab <br />Oil and Grease, mg/P hfonthly - Visual n/ <br />pH, s.u. Weekly In-situ <br />Tnlnt niccnhwd .Snlirlc mo/d (lunrrorly (:rnh <br />Tabte VI-6 -- dlonitoring Requirements Jor Outfalls 002, 003, 005, 006, 010 and 011 <br />Parameter rYleasurement Frequency Sample Tvpe <br />Flow, MCD Lrs(antaneous <br />All ou alts except 003 Monthly or Continuous <br />Ourfa 003 Weekly <br />Tonal Suspended Solids, mg/P Monthly Grab <br />Total Iron, mg/P ,Llonthly Grab <br />Settleable Solids, mP/P hfonthly Grab <br />Oil and Grease, mg/P <br />All our alts except 003 <br />rblonthly Visual n/ <br />Ourfa 003 6Veekly <br />• pH, s u. <br />9fl out(alls except 00.3 <br />Outfn 003 <br />Monthly <br />Weekly ht-situ <br />Total Dissolved Solids. mg/F Quarterly Grab <br />