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<br />i
<br />~. A40NITORQVG REQUll2EMN;lY'l'S
<br />I. Frequency and Sample Type
<br />In order to obtain an indication of the probable compliance or noncompliance with the effluent limitations specified in Pan
<br />I.A.1, the permittee shall momtur all effluent parameters at the following frequencies. Such monitoring will begin
<br />immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reposed on
<br />the Discharge Monitoring Report (See Part LE.I.). Also see Pan LB.I.e. (or Total Dissolved Solids (TDS) monitoring
<br />requirements.
<br />Winter Monitoring Exemption: For outfalls 004, 00~, 008, 009, 011, 014, 0I5, 016 and 017, during the winter season,
<br />monitoring may be suspended at the pernullee's option when adverse weather conditions prohibit sale access to one or
<br />more of these discharge points at the frequencies specified in this subpart. Monitoring shall recommence at the firs[
<br />oppormttity after such inaccessibility ends. When inaccessibility prevents sample collection, the permittee shall document
<br />what monitoring was missed and the specific conditions that prevented access in cover letters to the appropriate Discharge
<br />Monitoring Reports. Whole Effluent Toxicity testing for outfalls 004 and 008 is exempted completely (or the firs[ calendar
<br />quarter and is included in this exemption beyond the first quarter when inaccessibility is documented as described herein.
<br />a. Outfalls 002. 003. 005. 006, 010, Ol 1. 012. 013. 014. 0l6 and Ol7
<br />Effluent Parameter 11leasrtremenl Frequency Sample TyR
<br />Flow, MGD
<br />Ou[falls 002, 005, 006, 010 and 0l 1 Monthly Instantaneous or Continuous
<br />• Outfalls 003, 012, 013, 014, 016 and 017 Weekly Instantaneous or Continuous
<br />Total Suspended Solids, mg/P Monthly Grab
<br />Total Iron, mg/P Monthly Grab
<br />Settleable Solids, mP/P Monthly Grab
<br />Oil and Grease, mg/P Monthly Visual
<br />pH, s.u.
<br />Out(alls 002, 005, 006, 010 and OI 1 tvtonthly In-situ
<br />Outfalls 003, 012, 013, O14, 016 and 017 Wcckly In-situ
<br />Whole Effluent Toxicity, Acute
<br />Outfalls 002 and 003 Annually Grab
<br />Omfalls 005, 010, Ol I, 012, 013, 014, 016, 017 Quarterly Grab
<br />Outfall 006 Semi-Annually Grab
<br />PARTI
<br />Page 14
<br />Permit No CO-00110221
<br />b. Outfalls 004 and 008
<br />Effluent Parameter
<br />Measurement Frequency
<br />S:rmole Type
<br />Flow, MGD
<br />Total Suspended Solids, tng/P
<br />Total Recoverable Iron, mg/P
<br />Settleable Solids, mQ/P
<br />Oil and Grease, mg/P
<br />pH, s.u.
<br />Whole Effluent Toxicity, Chronic
<br />Monthly
<br />Momhly
<br />Monthl}'
<br />Monthly
<br />Monthly
<br />Monthly
<br />Quanerly
<br />Instamaneous or Continuous
<br />Grab
<br />Grab
<br />Gmb
<br />Visual
<br />In-situ
<br />3 Grabs/Test
<br />• See Part LC. for Definitions. Ansndmem No. 1 Issued JUL 29 7 999 Effective SEP O 7 7 999
<br />Corrected AUG 7 7 1 999
<br />
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