PERMFILE101726

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 04 OTHER PERMITS
• Media Type: D
• Archive: No

COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT, Water Quality Control Division
Rationale -Page 5, Permit No. CO-0036595
2. Stare SamDlinp: There are no state sampling results available for this facility.
•B. Compliance With Terms and Conditions ojPrevious Permit
1. Eii4uent Limitations: The data shown in the preceding tables indicate that the Energy Fuels Coal, Inc. facility has
maintained compliance with the previous permit. One sample jor outfall 002 for the second calendar quarter
indicated exceedences of both the total suspended solids and the total iron limitations. However, the permittee _
claimed a storm exemption, thus these exceedences were not actual permit violations.
2. Other Permit Reouirements: The permittee has been in compliance with all other terms and conditions of the
permit.
VI. TERMS AND CONDITIONS OF PERMIT
A. Determination of Effluent limitations
/. E(Ruent Limitations: The following limitations will apply and are discussed in Section Vl.A.2.
Table VI-I -Effluent Limitations jor Outjalls 001, 002 and 005
ak... .
..
Dts
arge Gmrtatlons ..:
.. ..
Mastmum.Cancentrahans....
Parameter. 30-Day.Avp.:::. Dally Max::: RaliartaIe ; "
Flow, MGD Repon Report Design Capacity
TSS, mg/P 35 70 Federal EJfluem Guidelines
Total Iron, mg/P 3.5 7.0 Federal Effluent Guidelines
• Settleable Solids, mP/P N/A 0.5 Federal Efjluext Guidelines
Oil and Grease, mg/l N/A 10 State Effluent Regulations
nH, s.u. (minimum-maximum) N/A 6.5-9.0 Water Oua[irv Standards
Table VI-2 - Effluent Ilmilations jor Outja[l 004
Dts h
c arge lirnilatlons :: -: .
Maximum Concentrations ... .
Parameter 30-i9av AVY: ' Daily Mar. Rationale: :::.
Flow, MCD Report Report Design Capacity ;
TSS, mg/P 35 70 Federal Effluent Guidelines
Total Iron, mg/P 3.5 7.0 Federal Effluent Guidelines
Settleable Solids, mP/P N/A 0.5 Federal Effluent Guidelines
Oi! and Crease, mg/P N/A !0 State Effluent Regulations
pH, s.u. (minimum-maximum) N/A 6.5-9.0 Water Quality Standards
WEl; Acute N/A LC,,,>100~9 State Permit Regulations
Total Suspended Solids, Total Iron and Settleable Solids limitations are subject to burden of proof requirements -see
section V/.A.2.b).
2. Discussion o!E(Ruent Limitations
• a) Regulations (or ERluent Limitations: The Regulations jor Effluent Limitations (10.1.0), apply to the conventional
pollutants. For this facility the limitation for Oil and Grease is based on this regulation.
b) Aoolicable Federal E(tiuent Guidelines and Standards: The federal guidelines which apply to this type of facility
are found under 40 CFR 434, titled Coal Mining Point Source E(/luenr Guidelines. The Irmitations which apply
are shown in the following table.