2018-07-23_PERMIT FILE - M2018035

• Permit No: M2018035
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/23/2018
• Doc Name: Adequacy Review Response
• From: SEMA Construction
• To: DRMS
• Email Name: JLE
• Media Type: D
• Archive: No

(Supplement A to the Mining Plan)
• SEMA Construction's standard Spill Prevention Control and Counter measure (SPCC)
plan will be in place.
• The operator is committed to control (prevent)erosion and sedimentation from reaching
any drainage. Where necessary, appropriate methods of control will be used, to include
sediment traps,riprap, straw bales, earthen berms and liners. Any constructed controls
requiring excavation and sizing will be submitted to the DRMS as a revision to the
approved permit. (Erosion control will include SEMA's Corporate Stormwater
Management Plan.)
• SEMA commits to notify to the Division of Reclamation,Mining and Safety, and other
appropriate agencies, of any reportable spill. A reportable spill is a spill of any toxic or
hazardous substance (including spills of petroleum products)within the permit area. In
addition, SEMA shall notify the Division of Reclamation,Mining and Safety of a
reportable spill within the permit area using the same timeframe required by the permit,
license, and notice, Act, Rule or Regulation governing the reporting of the spill to the
responsible agencies.Notice of a reportable spill shall be faxed to: Minerals Program
Supervisor, Division of Reclamation, Mining and Safety, FAX[phone]. This
FAX will include a callback number of a responsible official for the DRMS staff to use as
a contact.
• SEMA will implement a Stormwater Management Plan and will obtain a Stormwater
Permit as required; SEMA will use Best Management Practices (BMPs). The Best
Management Practices (BMPs)are as defined by the United States Environmental
Protection Agency, Office of Water(WH- 547) EPA 832-R-92-005, September 1992, as
found in Appendix E Glossary as follows:
"Best Management Practices (BMPs): Schedules of activates,prohibitions or practices,
maintenance procedures, and other management practices to prevent or reduce the
pollution of waters of the United States. BMPs also include treatment requirements,
operating procedures, and practices to control plant site runoff, spillage or leaks sludge or
waste disposal, or drainage from raw material storage. With regard to construction these
may include structural devices or nonstructural practices that are designed to prevent
pollutants from entering water or to direct the flow or water."
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