PERMFILE103828

• Permit No: C1981024
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 7 NPDES PERMIT INFORMATION PART 1
• Media Type: D
• Archive: No

PART I
Page 14.
• Permit No. COG-850000
C. REPORTING REQUIREMENTS
3. Analytical and Samoline Hechods for Monitoring
Analytical and sampling methods utilized by the discharger shall
conform to Colorado Regulations for Effluent Limitations (10.1.5), and
40 CFR Part 136.
The analytical method selected for a parameter shall be the one that
can measure the lowest detected limit for that parameter unless the
permit limitation or scream standard for chose parameters not limited,
is within the testing range of another approved method.
Calculations for all limitations which require averaging of
measurements shall utilize an arithmetic mean unless otherwise
specified.
4, Aecords
The permittee shall establish and maintain records. Those records
shall include the following:
• a) The date, type, exact location, and time of sampling or
me asuremenl's~
b) The individual(s) who performed the sampling or measurements;
c) The dace(s) the anaiyses were performed;
' d) The individual(s) who performed the analyses;
e) The analytical techniques or methods used;
f) The results of such analyses; and
g) Any other observations which may result in an impact on the
quality or quantity of the discharge as indicated in 40 CFR
122.44 (i)(1)(iii).
The permittee shall retain for a minimum of three f3) years records of
all monitoring information, including all records of analyses
performed, all original scrip chart recordings for continuous
monitoring instrumentation, all calibration and maintenance records,
copies of all reports required by this permit and records of all data
used to complete the application for this permit. This period of
retention shall be extended during the course of any unresolved
litigation regarding the discharge of pollutants by the permittee or
when requested by the Division of Regional Administrator of EPA.
5. Additional MonitorirLv., by Permictee
If the permitcee monitors any pollutant at the location(s) designated
herein more frequently than required by this permit, using approved
. analytical methods as specified above, the results of such monitoring
shall be included in the calculation and reporting of the values
cequired in the Discharge Monitoring Report Form (EPA No. 3320-1), or
ocher forms as required by the Division. Such increased frequency
shall also be indicated.