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906 HEALTH AND ENVIRONMENT, Water Quality Control Division
<br />COLORADO DEPARTMENT O PUBLIC
<br />Rationale -Page 21, Permit No.
<br />
<br />• Measurement:Frequency Sampte type
<br />------------
<br />Parameter
<br />
<br />Monthly
<br />Grab
<br />Arsenic, Total,,ug/1
<br />Monthly Grab
<br />Cadmium, PD, µg/1
<br />Monthly Grab
<br />Chromium, TR, µg/1
<br />Monthly Grab
<br />Copper, PD, µg/1
<br />Monthly Grab
<br />Iron, TR, µg/1
<br />Monthly Grab
<br />Lead, PD, µg/1
<br />Monthly Grab
<br />Manganese, PD, µg/l Grab
<br /> Quarterly
<br />Mercury, Total,,ug/l Grab
<br /> Monthly
<br />Nickel, PD, µg/I
<br />Monthly Grab
<br />Selenium, PD, µg/1
<br />Monthly Grab
<br />Silver, PD, µg/1
<br />Monthly Grab
<br />Zinc, PD, µg/1 Monthly
<br />Grab
<br />Boron, Total, mg11 Monthly Grab
<br />Aluminum, TR, µg/1
<br />PD means Potentially Dissolved
<br />TR means Total Recoverable
<br />Table VI-14 -Monitorin Re uirements or Out all MON9
<br />Measurement Frequency
<br />Sample Type,
<br />Parameter Grab
<br /> Monthly
<br />Arsenic, Total, µg/1
<br />Monthly Grab
<br />Be, TR, µg/1 Monthly Grab
<br />Cd, TR, µg/1
<br />Monthly Grab
<br />Cr+3, TR, µg/1 Monthly Grab
<br />Cu, TR, µg/1 Monthly Grab
<br />Pb, TR, µg/1 Monthly Grab
<br />Ni, TR, µg/1
<br />Monthly
<br />Grab
<br />Se, TR, µg/1
<br />Monthly
<br />Grab
<br />Zn, TR, µg/1
<br />TR means Total Recoverable
<br />Table VI-15 - Influent Monitoring Re uirements or Out a113001
<br />Parameter Measurement Frequency Sample Type
<br />2 Days/Month Grab
<br />Influent BODS, mg11
<br />2 Days/Month Grab
<br />Influent Total Suspended Solids, mg11
<br />Table VI-16 - Monitoring Re uirements br Out all 033
<br />Measurement Frequency Sample Type
<br />Parameter
<br />• Flow, MGD Weekly Instantaneous
<br />2 Days/Month Grab
<br />BODS, mg/1
<br />2 Days/Month Grab
<br />TSS, mg/l
<br />2 Days/Month In-situ
<br />pH, s.u.
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