PERMFILE104892

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Wastewater Discharge Permit CO-0000132
• Section_Exhibit Name: Exhibit 2.03-E4 Part 3b
• Media Type: D
• Archive: Yes

PART I
Page .~. of 19
• C. FOOT?lOTES - APPLICABLE TO PRECEDIYG PAGES
a/ - The thirty (70) day average shall be determined by the arithmetic
mean of ail samples coi..iected during a thirty (30) consecutive-day
period. Samples shall not be used for more than one (1) reporting
period. (Not applicable to fecal coliform determinations - please
see footnote m/.Z
b/ - The seven (7) day average shall be determined by Gtte arithmetic mean
of all samples taken in a seven (7) day period. Samples may not be
used for sore than one (1) reporting period. (Nat applicable to
fecal collfarm determinations - please see footnote m/.)
c/ - This limitation shall be determined by a single sample or set of
samples as required by Part I.B., Sample Type. '
d/ - When the measurement frequency indicated Ls quarterly, the samples
shall be collected during Harch, June, September and December, 1f a
continual discharge occurs. If the discharge 1s intermittent, then
samples shall be collected during the period that discharge occurs.
If the permittee, using the approved analytical methods, monitors
any parameter more frequently than required by this permit, then the
results of such monitoring shall be included is the calculation and
reporting of the values required in the Discharge Monitoring Report
• Form or other forms as required Sy the Division. Sur_h increased
frequency shall also Se indicated.
e/ - Definitions of Sample Type
1. A "composite" sample, for monitoring requirements, is a minimum
of four (4) grab samples collected at equally spaced txo (2)
hour intervals and proportioned according to flow.
2. A "grab" sample, for monitoring requirements, is a single "dip
and take" sample.
3. An "instantaneous" measurement, for monitoring requirements, is
a single reading, observation, or measurement performed oa site.
4. A 'continuous" measurement', for flow monitoring requirements, is
a measurement obtained from an automatic recording device which
continually measures flow.
S. A 'visual' observation, for oil and grease monitoring
requirements, is observing the discharge to check for the
presence of a visible sheen or floating oil.
6. Aa "in-situ" measurement, for monitoring requirements, is
defined as a single reading, observation or measurement taken in
. the field ae the point of discharge.
Code: i - 16 Date: 1-84, revised 10-28, revised 12-8A