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COLOR:IDO DEl'. iRTb(ErVT OF PUBLIC NEaLTII ;IrVD EfWIROrV,YIErVT. L4'arrr tlualin Cunur,l Divinun <br />Runonale~- Amendment Nu. 1 Page 3, Pernut No CD-0000221 <br />Tire Division finds that the pernrittee hus demonstrated dmr these nutjrrlD renwin consistently in compliance with <br />• rl[e pH and oif and grease limitations. TI[ere is no reason ro expect drat r/tev world be our o(rn,npharrr2 unless <br />algae in ponds in sunaner canributes to u rise ur pH and it appears that the pennirree manages their ponds to <br />avo,d this. Ti,ere is no benefit Ji'orn weekly monitoring. TJtus, this permit amendment wdl include a monimrutg <br />reduction m u monthly frequency for outfalls 002, 004, 00~. OOh, 003, 009. 0!0 and 01 /jot pH, orl and <br />,grease, and flow. The amended frequencies for dre existing outfalls are shown in Tables V/-h, Vl-7 and V/-S. <br />Table V/-4 -- ,Monitoring Requirements (or Outfalls 012, 013, 014, 016, and 017 <br />Parameter Measurement Frequency Sample Tvpe <br />Flow, ,MGD Weekly Instantaneous <br />or Continuous <br />Total Suspended Solids, mg/V Montldy Grah <br />Torul Iron, mg/P ~Ylonthly Grab <br />Settleable Solids, mP/P rYlonthly Grab <br />Oil and Grease, mg/P Monthly Visual a/ <br />pH, s. u. LVeekly In-situ <br />Total Dissolved Solids, mg/P Quarterly Grab <br />Wlrnly F(tlnanr Tnririty 4rnrv nunrrvrly Grnh <br />Table VI-S- rtifonitoring Requirements for Outfall 015 <br />Parameter Measurement Frequency Sample Type <br />• Flow, MGD Weekly Ins[antanema <br />or Continuous <br />Tota! Suspended Solids, mg/P rYfonth[y Grab <br />Total Iron, mg/P Monthly Grab <br />Settleable Solids, mV/P hfonthly Grab <br />Oil and Grease, mg/V rLlonrhly Visual a/ <br />pH, s. u. Weekly In-situ <br />Tnrnl niccnlvvd Cnlidc,~q/A t7nn early Grnh <br />Table VI-G -- Slonitoring Requirements for Outja[ls 002, 003, 005, 006, 010 and 011 <br />Parameter rVleasurement Frequency Sample Type <br />Flow, MGD <br />All out(alls except 003 <br />Ourfa 003 <br />Monthly <br />Weekly Instantaneous <br />or Continuous <br />Tonal Suspended Solids, mg/V Monthly Grab <br />Total Iron, mg/P Monthly Grab <br />Settleab[e Solidt, mV/P blondrly Grab <br />Oil and Grease, mg/V <br />All outfalls except 003 <br />Outfall 003 <br />Monthly <br />Weekly" Visual n/ <br />All outfalls ercepr 003 <br />Outfa 003 hlon[hly <br />Weekly <br />Tonal Dissolved So(rds. mgiP Qunnerlti Grab <br />