PERMFILE103819

• Permit No: C1980001
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: 3.7 APPENDIX 3.7-D Part 2
• Media Type: D
• Archive: No

PAR'1 I
Page 2 of 16
Permit No.: CO-0032638
•A. TERh1S AND CONDITIONS
1. Effluent Limitations
Beginning immediate l}' and lasting through September 30, 1985
the permit[ee is authorized to discharge within the limitations
specified below, from outfall(s) serial number(s) 001, 002 and 003 as
shown in Figure 1 on Page 16 a.
a. Effective during periods of no precipitation
Effluent Parameter Discharge Limitations
Maximum Concentration
30-day avg. a/ Daily Max. b/
Flow - (MGD) N/A N/A
Total Suspended Solids (mg/1) 35 70
Total Iron (mg/1) 3.5 7.0
Salinity N/A N/A
pH - (Standard Units) shall remain between 6.5 and 9.0 b/.
• Oil and grease shall not exceed 10 mg/1 b/ in any grab sample nor
shall [here be a visible sheen.
b. Effective during periods of precipitation less than or equal to
the 10-year, 24-hour event for this facility.
Any discharge or increase in the volume of a discharge caused by
precipitation within any 24-hour period less than or equal to
the 10-year, 24-hour precipitation event (or snowmel[ of
equivalent volume) may comply with the following limitations
instead of the limitations of Parts I.A.l.a and c.
Effluent Parameter Discharge Limitations
Plaximum Concentration
Daily Maximum b/
Flow-(S4GD) N/A
Settleable Solids (ml/1) 1/ i/ 0.5
Salinity N/A
pH - (Standard lrnits) shall remain between 6.: and 9.0 b/.
Oil and grease shall not exceed 10 mg/1 E+/ in any grab sample nor
• shall there be a visible sheen.
1/ - Fu rs uant to 40 CFR 434.63 (a)
a/, b/, i/, - See part I.A.S. _ / /
Amer.deo /i//S'3 r4'~a~
Coal-P.ctive 3/83