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COLORADO DEPARTMENT OF HEALTH, Water Qunlity Carrtrol Division Rnriorrnle - Pnge 14, Penrfit No. CO-0032638 8. ~fORr/Onng Efllaent Monitoring: E,~lueru moniroring wil( be required as shown in Tables VI-6, VIJ arul Vl-8. Rejer ro the permit for locntior+s ojn+or+itoring points. Because of the large flow volumes discharged from aurjalLs 002, 003, 004 arul 006, the frequencies for metnLr parameters have been increased from the previous pern+ir. 7T+is i.s coresisrent with similar current permits. /n 1987, the pem+itree requested that the winter monitoring exemptior+ for Outfa!! 003 be exrer+ded to Ourjnl! 006. This request was granted. 71+us, when access to outfalls 003 and 006 would be potentially hazardous to the opern/ors (November 1 ro March I5, approximately), no monitoring will be required, providing tl+efollowirrg requirements are met. For each reporting period that the pern+itree seeks this exemption, they sltal[ provide rr•rirren documentation: ojthe specific corulitiau that prevented access during the entire reponin¢ period. The Division will review this documentnriorr and determine whether an exemption is just~ed. If access is possible during nr+y portion of the reponi»g period, the permittee will be expected to collect the required samples. If the Division determines that the permittee could have safely reached the site and collected the required sanlpies but did r+ot do so, nr+ enforcement action mrry result. Tabte VI-6 -- Moaitoring Regrtirements (Otttjal(s 001 and 005) Parameter D~easttremen! Frequency Sdmple Tvpe Flow, A4GD Weekly hxsmutnneaus or Conlinuoas TSS, mg/f Monthly Grab Tornl 6vrn, urg; f Monrh[y Grnb Smdenble Solids, mP/P Monthly Grab Oil trod Grense, mb/P Weekly Visual a/ pH, s. u. Weekly Grnb TDS, m,g/P Quarterly Grnb n/ /f n visible shetn is noted, a grab snnip(e shall be rolfecred and analyzed far oil and grease. the results are m be reported an +he DMR under parmnelrr 0.7556. Table V/-7 -- Afoniloring Regrtiremenls jar Ort/jalls 002, 003 and 004 Pnrnmeler hlensuremenl Frequency Sample Type Fluu~, :IfGD Weekly bulnntmreous or Cmuinuous TSS, mt/f Monthly Grnb Toml h-on, nig/P Weekly Grnb Augu.u - February Tu/nl Recoyernble Iron, mg/P Weekly Grnb Munch -July Srnlrnble Solirl.~~, mP/f Mondilv Grnb Oil and Grense, rag/P Weekly Visun! n/ p!'1, c. u. Weekly Grnb TDS, urg/P Qumrerly Grnb Il9rale Effluent To.ricity, Chrwric Qum-rer'ly 3 Composites/Test u/ /(n r isrble shern is rmrrrf, a grub sample shall be cnlfenrd and analv:ed for or! and grrase. Pm resdu are ro bt reported on the D,itR order pnrmnrrer (X1556.