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1. Introduction
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1.1 Background
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Site Number: |
10MC |
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Contract Number: |
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D.O. Number: |
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Action Memo Date: |
8/28/2014 |
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Response Authority: |
CERCLA |
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Response Type: |
Time-Critical |
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Response Lead: |
EPA |
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Incident Category: |
Removal Action |
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NPL Status: |
Non NPL |
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Operable Unit: |
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Mobilization Date: |
10/13/2014 |
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Start Date: |
10/13/2014 |
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Demob Date: |
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Completion Date: |
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CERCLIS ID: |
WAN001002396 |
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RCRIS ID: |
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ERNS No.: |
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State Notification: |
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FPN#: |
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Reimbursable Account #: |
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2. Current Activities
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2.1 Operations Section
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2.1.1 Narrative
General Activities:
SWPPP controls
and BMPs were inspected onsite prior to work each day. Goldfield Mine Road was
inspected using an XRF for contamination daily. Goldfield Mine Road tested
clean on all days. Approximately 4,500 cubic yards (cyds) of contaminated
material north of Harrier Creek Road was removed and placed on the impoundment.
Approximately 2,000 cyds of contaminated material south of Harrier Creek Road
was removed and placed on the impoundment. Prior to backfill of the Assay
Office in the Mill area, five composite XRF samples were collected using a 40
foot grid and one composite sample was sent for laboratory analysis.
Approximately 175 cyds of backfill material was placed at the Assay Office. One
composite sample was collected of the backfill material and sent for laboratory
analysis. Harrier Creek Road was inspected using an XRF daily. On November 20th,
a 50-foot portion of Harrier Creek Road tested positive for low level contamination and
was capped with clean borrow material to prevent the spread of contaminated
material. Situation to be dealt with before site closure. Additional SWPPP controls and BMP were added on-Site in preparation of
the completion of the 2014 construction season. Construction equipment was
decontaminated prior to transportation off-Site on November 21st. A seasonal end of work shutdown site walk was conducted by EPA, START, RMC, and their contractors on November 24.
Sampling:
Air samples were collected from three locations on November 17th,
and November 18th.
Soil conformation
samples were collected in at the Assay Office in November 18th and
November 20th.
Air and soil
conformation samples were sent for lab analysis.
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2.2 Planning Section
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2.2.1 Anticipated Activities
Final site
assessment.
Completion of the
2014 construction season.
2.2.1.1 Planned Response Activities
2.2.1.2 Next Steps
Coordinate Site construction recommencing in late spring/early summer 2015.
2.2.2 Issues
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2.3 Logistics Section
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No information available at this time.
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2.4 Finance Section
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No information available at this time.
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2.5 Other Command Staff
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No information available at this time.
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3. Participating Entities
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No information available at this time.
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4. Personnel On Site
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On Site Personnel for week ending 11/21/14:
ACI Northwest: 5 employees [2 employees on November 21st]
REMC: 1 employee
EPA: none
START: none
On Site Personnel for week ending 11/19/14
ACI Northwest: 2 employees
REMC: 1 employee
EPA: 1 OSC
START: 1
Visitors/Agency Personnel
Patrick Freeman
with The Goldfield Corporation arrived on site on November 19th.
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5. Definition of Terms
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No information available at this time.
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6. Additional sources of information
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No information available at this time.
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7. Situational Reference Materials
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No information available at this time.
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