PERMFILE120227

• Permit No: C1980003
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: PERMITS
• Section_Exhibit Name: 1996 APPENDIX A
• Media Type: D
• Archive: No

ADDENDUM TYI RA77ONALE
COAL M1NlNG FACd1T/ES (SURFACE RUNOFF ONLY)
• GENERAL PERMIT 1N COLORADO
COLORADO DISCHARGE PERM17' NUMBER COG8f00100
PURPOSE OF AMENDMENT
The coal general renewal permit war written in the spring of 1992, and incosporared provisions ar rrquirrd order
Colorado's new stormwater program, including the deNeloptntnt and implementation oja Stormwater Managanenr Plan
(SR7NP). Howevrr, ar that rime the Division's stormwater program was not fully developed. 11u SA'MP requiranentr xrre
later refined jot the Division's new stotmwattronly general prrniiu. The SR'MP trquitYmotts and format in the coal
genera! permit are somewhat different, which has caused some confusion in the regulated otunmtmiry. 7lunfore, the coal
genera! permit is being modified to make the SR'MP requirements more consirteN with the stormwateswnly general petntiu.
There modifications to this permit, with the aception ojthe Division's change of address (see Iten I. C, bebwJ pertain the
to the storniwater provisions of this permit on .
A. Exittine Permitteu
Those permirtees which are already courted order the Coal General Permit at the tune of this amendmem are cot
required to change their SWMP at this tune to conform with the new format, although thry may do so if they wish.
B. Additional Requirements
Additional requiremenu contained in the ttormwater-only genera! permiu are afro being added, such as specific
certification language, employee training, and changer in the annual reporting date. In addition, the permittee it no
• ,longer required ro automatically submit their SWMP to the Division.
C Division Address
The amendment also update the Division's mailing address, which was clwngtd on October 1, 1992.
l!. STORMWATER MANAGEMENT PLANS
A Stormwater Management Plan (SWMP) shall be developed and implemented jot each sift courted by this permit. the plan
shall identify potential sources of pollution (including sediment) which may reasondbly be expected to affect the quality of
stormwarer discharges associated with mining operations. /n addition, the plan shall describe the best management
practices (BMPs) which will be used ro reduce the pollutants in stormwater discharge from the mining operation.
/n the areas of coal mining which are not directly regulated 6y egluenr limitations, site stormwater discharger may nor be
effectively controlled. Some ojthe discharges are outside the coverage of the diversion ditches and sedimentation ponds
required under the facility's Colorado Mined Lard Reclamation Board permit. Examples ojsuch areas arc roads and
railroad lines used jot transportation to and from the site, outslopes of ponds, inactive loadouts, situ used jot storage and
maintenance of material handling equipment, and areas granted small area aemptions.
The SWMP shall desnibe all areas that have not been previously permitted, and which meet the definition of a stotmwater
discharge in 40 CFR 122.26.
the SWMP shall include the following items, ar a minimum:
A. Sire Man
• B. Description nlPnrentin! Pnllurant Sources/Mnterin! Inventnrv
C Srornrwnrer Ounlirv Cwurolc
the desniprion r jsrornnrnrer quality controls shall nddress the following minimum components, including a schedule for
implementing such enmrnLc: