HYDRO22356

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 8/26/1997
• Doc Name: SENECA MINE COMPLEX NPDES PERMIT
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

PART I
Page 24
Permit No. CO-0000221
E. GENERAL MONTI'ORING, SAMPLING
3.
The permittee shall install, calibrate, use
indicated pollutant monitoring methods.
methods in 40 CFR Pan 136; methods of
Division, in the absence of a method spe
selected for a parameter shall be the of
permit limitation or stream standard ft
approved method. Whea requested in v
significant modification to an approved p
When [he most sensitive analytical m.
the permit limit, the permittee shall n
considered az violations of the permit
REPORTING RI'sQUIREMENTS

id maintain monitoring methods and equipment, including biological and
11 sampling shall be performed by the petmittee according to specified
oved by EPA pursmm[ to 40 CFR Part 136; or methods approved by tt,e
ied in or approved pursuant to 40 CFR part 136. The analytical method
that can measure the lowest detected limit for that parameter unless the
those parameters not limited, is within the testing range of another
ring, the Division may approve an alternative analytical procedure or a3y
which complies widt this pan, has a detection limit greater than or equal to
"less than (the detectable limit)," az appropriate. Such reports shall no[ be
The procedure for determining settleable solids is contained in 40 CFR 434.64. The method detection limit for
measuring settleable solids under this p ,shall be 0.4 ml/1.
4. Records
The permittee shall establish and main[ai~t records. Those retards shall include the following:
a. The
b. The
c. The date(s) the analyses were perft
d. The individual(s) who performed d
e. The analytical techniques or metho
f. The results of such analyses; and
g. Any odter observations which may
CFR 122.44 (i)(1)(iii).
analyses;
used;
~~
in an impact on the quality or quantity of the discharge az indicated i^ 40
The permittee shall retain for a minima of three (3) years records of all monitoring information, including all original
strip than recordings for continuous mo toting ins[mmentation, all calibration and maintenance records, copies cf all
reports required by this permit and recur of al] data used to complete the application for this permit. This period of
retention shall be extended during the co se of any unresolved litigation regarding the discharge of pollutants by the
pertnittee or when requested by the Divi ion or EPA.
5. Flow Measurine Device
If not already a pan of the permitted fat}lity, within Winery (9U) days after the effective date of the permit, a flow
measuring device shall be installed to givye representative values of effluent quantities at the respective discharge Iroin[s.
Unless specifically exempted, or modifiei in Pan I.B.S of this permit, a flow measuring device will be applicable at all
designated discharge points.
At the request of the Division, the
obtaining data submitted in the me
percent of the actual flow being di
e shall show proof of the accuracy of any flow-measuring device used in
repon. The flow-measuring device must indicate values within ten (10)
from the facility.

date, type, enact location, and t me of sampling or measurements;
individual(s) who performed the sampling or meazurements;
INDBP dl9/93