2016-08-01_REVISION - M1993035

• Permit No: M1993035
• IBM Index Class Name: Revision
• Doc Date: 8/1/2016
• Doc Name: Request for Technical Revision
• From: Summit County Colorado
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

TABLE OF CONTENTS
1. INTRODUCTION.....................................................................................................1
2. VCUP APPLICATION CHECK LIST........................................................................1
3. GENERAL INFORMATION.....................................................................................9
3.1 Name and Address of Owner............................................................................9
3.2 Contact Person for Application..........................................................................9
3.3 Location of Property
3.4 Type and Source of Contamination.................................................................10
3.5 Voluntary Clean-up.........................................................................................10
3.6 Current Land Use...........................................................................................11
3.7 Proposed Land Use........................................................................................11
4. VCUP PROGRAM INCLUSION.............................................................................11
4.1 Site Eligibility............................................ .............11
4.2 Qualified Professionals...................................................................................11
4.2.1 Environmental Assessments.....................................................:............................11
4.2.2 Preparation of Application......................................................................................12
4.2.3 Performance of Remediation.................................................................................12
5. SITE HISTORY......................................................................................................12
6. SITE CHARACTERIZATION
6.1 Physical Geography......................................................•----.........................--..13
6.2 Geology......................................... .......................13
6.3 Hydrogeology..................................................................................................14
6AHydrology and Climate....................................................................................14
7. NATURE AND EXTENT OF CONTAMINATION...................................................15
7.1 Source Dimensions and Volumes...................................................................15
7.2 Source Characterization..................................................................................16
7.2.1 CDPHE Investigation.............................................................................................16 i
7.2.2 ABC Investigation...................................................................................................16
7.2.3 Results and Discussion..........................................................................................16
7.3 Surface Water and Sediments...................................•-•--................................18
7.3.1 Surface Water........................................................................................................18
7.3.2 Sediments..............................................................................................................19
7.4 Soils................................................................................................................19
7.5 Surface-Water and Sediment Pathways..........................................................19
7.6 Groundwater and Air Pathway Analysis..........................................................20
8. STREAMLINED RISK ASSESSMENT..................................................................20 i
8.1 Wildlife and Livestock.....................................................................................21
8.2 Human Recreational Use.................................................•----..........................21
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9. REMEDIATION PLAN...........................................................................................22
9.1 Objectives.......................................................................................................22
9.2 Remediation Work Plan...--•............................................................................23
9.2.1 Improve Add Conveyance......................................................................................23
9.2.2 Create Additional Wetlands....................................................................................24
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