PERMFILE134829

• Permit No: M2002118
• IBM Index Class Name: Permit File
• Doc Date: 3/29/2004
• Doc Name: Response to 2nd Adequacy Review
• From: LJ Development
• To: DMG
• Media Type: D
• Archive: No

D.G. HUSKIN CONSTRUCTION, COMPANY will commit to placing topsoil and
overburden stockpiles along the entire low edge of all the mining phases as a first step of
the mining operations and agrees to start extraction of gravel at the lowest elevation of
the phase and to proceed up slope, the berms and pits created will control erosion and
sedimentation. Please see the revised (March 23, 2004) Mining Plan Map Exhibit "C" for
the locations of the topsoil stockpiles and the earthen berms. The Mining Plan Map will
also show that the mining starts at the lowest elevations on each phase and proceeds
upslope this is true for all phases of mining. The operator is committed to control
(prevent) erosion and sedimentation from reaching the Huerfano River. All methods of
control will be used, sediment traps, riprap, straw bales, earthen berms and liners.
12.) As stated in item No. 6 bulk storage of fuel, asphalt, tack oil and small amounts of
lubricants, will be stored on site in an earthen berm with an approved liner azound and
below the storage containers. The earthen structwe will have a capacity of at least 110%
of the tanks and containers. This structure will be constructed as described in item No. 6.
As stated the earthen berms will be compacted to 96% and an approved liner material
will be used to seal and protect the soils below the tanks. This structure will be leak proof
and readily cleanable if a spill does happen. The walls will be 3 feet high with side slopes
of lh: lv and form an enclosure in conjunction with the liner to form a pool that the liquid
cannot escape to the surrounding areas. The other features of this structure is that it will
be designed in such a way that it will be easy to clean up any possible spills. All spills
will be soaked up with an absorbent material such as sand or other substances that can
absorb the spilled oils or lubricants. After the mixture of absorbents and oil aze cleaned
up all the waste materials will be transported to the nearest approved disposal site.
D.G. HUSKIN CONSTRUCTION COMPANY does agree and will commit to Division
of Minerals and Geology condition No. 2 as stated in your letter dated February 25, 2004.
Any reportable spill which is a spill of any toxic or hazazdous substance (including spills
of petroleum products) within the permit azea will be reported to any and/or the Division
of the Colorado Department of Public Health and Environment, the National Response
Center, the Colorado Emergency Planning Commission, a local Emergency Planning
Commission, or the State Oil Inspector. In addition the operator shall notify the Division
of Minerals and Geology of a reportable spill within the permit area using the same
timeframe required by the permit, license, notice, Act, Rule or Regulation governing the
reporting of the spill to the appropriate agency. Notice of a reportable spill shall be Faxed
to: Minerals Program Supervisor, Division of Minerals and Geology, FAX (303) 832-
8106. this FAX will include a callback number of a responsible official for the DMG staff
to use as a contact.
17.) Item No. 8 above should have addressed the concerns you referenced in this item.
However for clarification the operator D.G. HUSKIN CONSTRUCTION COMPANY
will use the Best Management Practices (BMPs) onsite. The Best Management Practices
(BMPs) 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: