HYDRO30096

• Permit No: C1982055
• IBM Index Class Name: Hydrology
• Doc Date: 3/4/1993
• Doc Name: Certification Coal mIning General Permit
• From: Colorado Department of Health
• To: Energry Fuels Mining Company
• Permit Index Doc Type: NPDES
• Media Type: D
• Archive: No

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EFFLUENT LIMITATIONS: (Continued)
Parameter
Plow (MGD)
pH (s.u.)
Oil and Grease (mg/1)
To cal Suspended Solids (mg/1)
Total Iron (mg/il
Settleable Solids (ml/1)
'Coral Dissolved Solids (ing/1)
(Co 1o. River Basin)
Total Phosphorus, as P (mg/1)
Pa ram--er
- ACTIVE h1INING
1
Table 1
(Applicable Regula dons)
SES WOS BP'C BAT NSPS
-----------•----•-Monitoring On1Y----------------•-
6.0 - 9,0 G.S - y.0 G.U - 9.0 N/A 6.0 - 9.0
10 N/A N/A N/A N/A
30/45 N/A 35/70 N/A 35/70
N/A N/A 3.5/7.0 3.5/7.0 3.0/G.0
N/A N/A N/A 0.5 N/A
-----hfonitor per Colo. Salinity Regulations-------
-----hlonicoring Dillon Reservoir Basin Only-------
'!'able 2
(Final Limitations)
Flow (b1GD)
pH (s.u.)
Oil and Grease (mg/1)
Total Suspended Solids (mg/1)
To cal Iron (mg/1) (E~iscing Sources)
Total Iron (mg/1) (New Sources)
Settleable Solids (ml/1)
Total Dissolved Solids (mg/1)
(Co 1o. River Basin)
Total Phosphorus, as P (mg/1)
(Dillon Reservoir basin only)
Limi-acion
Basis
Report Monitoring Only
G.5-9.0 WQS
10 SES
35/70 BPT
3.5/7.0 BAT
3.0/6.0 NSPS
0.5 BAT
Report Monitoring Only
Report Monitoring Only
POST-MINING
Paramet=r
Flow (MGD)
pH (s.u.)
Oil and Grease (mg/1)
Settleable Solids (ml/1)
Total Dissolved Solids (mg/1)
(Colo. River Basin)
Total Phosphorus, as P (mg/1)
Table 3
(Applicable Regulations)
S[S lQ BPT BAT NSPS
-----------------Monitoring.Only-------------•-----
G.0 - 9.0 6.5 - 9.0 6.0 - 9.0 N/A 6.0 - 9.0
10 N/A N/A N/A N/A
N/A N/A N/A 0.5 0.5
------;4onitor per Colo. Salinity Regulations-------
------Monitoring Dillon Reservoir Basin Only-------