HYDRO31281

• Permit No: C1980001
• IBM Index Class Name: Hydrology
• Doc Date: 11/22/1993
• Doc Name: RATIONALE FOR PUBLIC NOTICE PITTSBURG & MIDWAY COAL MINING CO EDNA MINE PN CO-0032638
• From: CDOH
• To: WQCD
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

PERMIT, PART I
Page Ib of 13
Permit No. CO-00323G8
(b) Any discharge or increase in the volume of a discharge caused by pruipitation within any 24-hour period
greater than the 10-year, 24-hour precipitation event (or~snowmelt of equivalent volume) may comply with the
following limitations subject to burden of proof requirementsk/:
Ellluent Parameter
30-Dav Ave a/
Daily Max cl
Flow, MGD N/A
Total Dissolved Solids, mg/1 g/, h/ N/A
pH, s.u. (minimum-maximum) N/A
Oil and Grease, mg/I N/A
Total Suspended Solids, mg/I N/A
Total iron, mg/I N/A
There shall be no discharge of floating sol ids or visible oil shin f/.
See Part I.C. for Footnotes.
2. Effluent Limitations (Outfall 002 and Outfall 0031
13egiming immediately and lasting through December 31, 1998, the permittce is authorved to dischazge from
Outfall 002 and Outfall 003.
Discharee Limitations
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Ia accordance with the Water Quality Control Commission Regulations for Effluent Limitations, Suction 10.1.3,
and State Discharge Permit System Regulations, Section 6.9.2, 5 C.C.R. 1002-2, the permitted discharge shall not
contain effluent parameter concentrations which extxed the following 1'tmitatioos specified below.
Ellluent Parameter
~0-Day Ave g/
Da. tlv Max S/
Flow, MGD N/A
Total Suspended Solids, mg/1 35
pH, s.u. (minimum-maximum) N/A
Oil and Grease, mg/1 N/A
Total Dissolved Solids, mg/1 g/, h/ N/A
Total Iron, mg/I 3.5
There shall be no discharge of floating solids or visible oil shcen f/.
Discharee Limitations
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7.0
(a) Any discharge or increase in the volume of a discharge caused by precipitation within any 24hour period
greater than the 10-yeaz, 24-hour precipiadon event (or snowmelt of equivalent volume) may comply with the
following limitations subject to burden of proof requirementsk/:
Effluent Parameter
Discharee Limitations
30-Dav Ave a/
Daily Max rl
Flow, MGD N/A
Total Dissolved Solids, mg/I g/, h/ N/A
pH, s.u. (minimum-maximum) N/A
Oil and Grease, mg/1 N/A
Total Suspended Solids, mg/I N/A
Total Iron, mg/I N/A
There shall be no discharge of floating sol ids or visible oil shcea f/.
Repoli
Repoli
6.5-9.0
10
Report
Report