REP26575

• Permit No: M1983176
• IBM Index Class Name: Report
• Doc Date: 8/4/2000
• Doc Name: VOLUNTARY CLEAN UP PLAN APPLICATION SPEER MINING RESOURCE PROPERTY
• Media Type: D
• Archive: No

' Banks and Gesso, LLC
spread the cost of remediation over this time frame.
First, ASCI proposes to start gravel mining activity in uncontaminated
areas, pursuant: to the remedial plan described previously. Areas with
toxaphene soil contamination is excess of the unrestricted use
concentration (0.40 mg/kg or less) will not be disturbed by mining until
approval from CDPHE is obtained, and mining will occur no closer than
50-feet from such areas (see Figure 2).
' Area 1 of the proposed mine site (see Appendix 6 - DMG permit) has
been examined and tested and we believe the contaminated areas are
confined to other parts of the property (i.e. contaminated above state
standards). ASCI believes it can safely mine Area 1 without disturbing
contaminated soils. There is no indication of contaminated soils on the
property other than what we have identified. No mining activity shall take
' place unless tho toxaphene concentration is equal to or less than 0.40
mg/kg. If concentrations are above this level remedial action will take
' place as previously described.
The final phase of mining involves removing the structures on the property
and mining the sand and gravel beneath them (and in the surrounding
area). At this point in time surface soil sampling, as described in this
application, will occur and remedial action, as necessary, will be
implemented. Some of the structures have concrete floors so it is not
anticipated that significant contamination will be present beneath the
buildings.

6.0 Clean Ua Completion Report
' A Clean Up Completion Report will be prepared and submitted to CDPHE after
all remedial activities have been completed. Appendix 7 contains the completed
VCUP Application Checklist.
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0.sphall SpeGalGes Co., Inc. - PeslirJde 7 99048.WD
' Voluntary Clean Up Plan Applintion July 2000