|
D
<br />• B. h10NITORBVG ItEQULREMEYPS
<br />I. Freuuencv artd Sam~rte Tvpc
<br />In order to obtain an indtcauon of the probable compliance or noncompliance with the effluent limitations specified in Pan
<br />LA.I, the permiuee shall monitor all effluent parameters ai the Following frequenctes. Such monitonng will begin
<br />Immediately and last for the life of the permit unless otherwise noted. The results of such monitoring shall be reported on
<br />the Discharge Mmtuoring Repon iSee Part LE.1.). Also see Part Lf3.l.e. for Total Dissolvrd Solids fTDS) monitoring
<br />requirements.
<br />Winter htoni[orin~ Exematiun: For outfalls 004, 005, 008, 009, OI I ,Old, 015, 016 and 017, during the winter season,
<br />monitoring may be suspended a the permittee's option when adverse weather conditions prohibit safe access to one or
<br />more of these discharge points at the frequencies specified in this subpart. Monitoring shall recommence at the firs[
<br />oppor[uniry after such inaccessibility ends. When inaccessibiluy prevents sample collection, the permiuee 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 Tonicity testing for outfalls 004 and 008 is exempted completely for the first calendar
<br />quarter and is included in this exemption beyond the first quarter when inaccessibiliry is documented as described herein.
<br />a. Outfalls 002. 003. 005. 006, O10, 011, 01? . O13. 014. 0l6 and Ol7
<br />Effluent Parameter Measurement Frequencv Sample Type _
<br />Flow, h1GD
<br />Outfalls 002, 005, 006, 010 and OI 1 Monthly lnstantaneous 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/0 Momhly Grab
<br />Oil and Grease, mg/P Monthly Visual
<br />pH, s.u.
<br />Outfalls 002, 005, 006, O10 and 01 l Monthly In-situ
<br />Outfalls 003, 012, 013, O14, 016 and 017 Weekly In-situ
<br />Whole Efllueot Toxicity, Acute
<br />Outfalls 002 and 003 Annually Grub
<br />Outfalls 005, 010, 011, 012, 013, 014, 016, 017 Quarterly Grab _
<br />Outfall 006 Semi-Annually Grab
<br />P..Rr1
<br />Page la
<br />Permit No CO-11090221
<br />b. Outfalls 004 and 008
<br />Effluent Parameter
<br />Measurement Frequencv
<br />Samole Tvoe
<br />Flow, MGD
<br />Total Suspended Solids, mg/P
<br />Total Recoverable Iron, mg/P
<br />Setleable Solids, mP/P
<br />Oil and Grease, mg/P
<br />pH, s.u.
<br />Whole Effluent Toxicity, Chronic
<br />Momhy
<br />Monthly
<br />Momhly
<br />Monthly
<br />fvlonthly
<br />Monthly
<br />Quarterly
<br />Instantaneous nr Continuous
<br />Grab
<br />Grab
<br />Grab
<br />Visual
<br />In-situ
<br />3 Grabs/Test
<br />• Sec Part 1.C. for Definitions. Amcndmem No_ I Issued JUL 29 1 999 Effective SEP O1 1 999
<br />~Corrccted AUG 7 7 1999
<br />
|