HomeMy WebLinkAboutCCB0001_Halifax Coal Ash Structural Fill Vaughan PropertyMRS
URS Corporation
1600 Perimeter Park Drive„ Suite 400
Morrisville, NC 27560
Tel: 919.461.1100
Fax: 919,461.1415
w .ursoorp.00m
November 15, 2007
— \6171 8g?0
Mr. Edward Mussler AN ReCE?'
Permitting Supervisor — Solid Waste Section o NOV d
North Carolina Department of Environment and Natural Resources 2007
Division of Waste Management CIO S01ldW 3b
1646 Mail Service Center
Raleigh, NC 27699-1646
Subject: Coal Ash Structural Fill Site License Application
O.N. Vaughan Property at 4752 Highway 301- Halifax, NC
36.3708 N Latitude; 77.595 W Longitude
URS Project No. 31825952
Dear Mr. Mussler:
On behalf of our client, Westmoreland Partners, Roanoke Valley Energy Plant in Weldon, NC,
URS Corporation is submitting herein 2 copies of the above referenced application for a Coal
Ash Structural Fill Site in accordance with North Carolina Department of Environment and
Natural Resources, Division of Waste Management Regulations; Section .1700 Requirements for
Beneficial Use of Coal Combustion By -Products (CCB). Westmoreland Partners and the
property owner (O.N. Vaughan) have agreed to beneficially use CCB to reclaim a licensed soil
mining site occupying 6-acres on Mr. Vaughan's property. This application seeks approval to
restore the soil borrow pit to near its original topography by beneficially using CCB instead of
soil as structural fill in order to restore the site to use as pasture land.
The following notifications are provided as required in Section .1703(a):
1. The Structural Fill Site is shown in Figure 1 - Weldon Quadrangle at; 36.3708 N Lat.
77.595 W Long.
2. Structural fill placement is scheduled to begin as soon as approvals are received and
should be complete by September 2008.
3. The estimated coal ash volume to be used for this project is 64,000 cubic yards.
4. A recent TCLP analysis of the coal ash is provided in Appendix D.
5. A signed and dated statement from the owner of the structural fill site property is also
provided in Appendix D.
6. The CCB generator is:
Westmoreland Partners
Roanoke Valley Energy Facility
290 Power Place
Weldon, NC 27890
Attention: Mr. Glenn Outland
252-536-3200 x 246
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URS
The following submittal characterizes the site conditions and documents their conformance with
the siting criteria in .1704 of the rules. Further, URS has designed the CCB structural fill facility
controls to comply with .1705 and .1706 in the rules. Callus at 919-461-1100 with any
questions concerning this application.
Sincerely yours,
Richard K. Lowe Ed Edens, P.E.
Principal Geotechnical Engineer Civil/Roadway Engineering Gro
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URS Corporation
1600 Perimeter Park Drive„ Suite 400
Morrisville, NC 27560
Tel: 919.461.1100
Fax: 919.461.1415
www.urscorp.com
November 14, 2007
Mr. Glenn W. Outland
Environmental & Fuels Manager
Roanoke Valley Energy Facility
290 Power Place
P.O. Box 351
Weldon, NC 27890
Subject: Coal Ash Structural Fill Site License Application
O.N. Vaughan Property at 4752 Highway 301- Halifax, NC
36.3708 N Latitude; 77.595 W Longitude
URS Project No. 31825952
Dear Mr. Outland:
URS Corporation has completed the above referenced work as outlined in our June 12, 2007
proposal, and authorized by Westmoreland Partners purchase order 2071061 dated August 30,
2007. The purpose of this assignment was to assess and prepare permitting documents for use of
the above referenced parcel of property for a Coal Ash Structural Fill site in accordance with the
North Carolina Department of Environment and Natural Resources, Division of Waste
Management Regulations; Section .1700 Requirements for Beneficial Use of Coal Combustion
By -Products (CCB).
Site and Project Specific Information includes:
1. The Structural Fill Site is shown in Figure 1 - Weldon Quadrangle at; 36.3708 N Lat.
77.595 W Long.
— 2. Structural fill placement is scheduled to begin as soon as approvals are received
(December 2007) and should be complete by September 2008.
3. The estimated coal ash volume to be used for this project is 64,000 cubic yards.
4. A recent TCLP analysis of the coal ash is provided in Appendix D.
5. A signed and dated statement from the owner of the structural fill site property is
provided in Appendix D.
6. The CCB generator is:
Westmoreland Partners
- Roanoke Valley Energy Facility
290 Power Place
Weldon, NC 27890
Attention: Mr. Glenn Outland
252-536-3200 x 246
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URS
The following submittal characterizes the site conditions and documents their conformance with
the siting criteria in. 1704 of the rules. Further, URS has designed the CCB structural fill facility
controls to comply with .1705 and .1706 in the rules, and we appreciate the opportunity to be of
continued service to Westmoreland Partners. We stand ready to assist you with implementation
of this project and ask that you call us at 919-461-1100 with any questions concerning this
report.
Sincerely yours,
Richard K. Lowe
Principal Geotechnical Engineer
ON F
Ed Edens, P.E.
Civil/Roadway Engineering Group Manager
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TABLE OF CONTENTS
Section 1 Introduction and Background........................................................................................1-1
1.1 Introduction.............................................................................................. 1-1
1.2 Background..............................................................................................1-1
Section 2 Soil and Groundwater Conditions.................................................................................2.1
2.1 Site Conditions......................................................................................... 2-1
2.2 Soil Conditions.........................................................................................2-3
2.3 Groundwater Conditions.......................................................................... 2-4
Section3 Notifications....................................................................................................................3.1
3.1 Notifications.............................................................................................3-1
Section 4 Structural Fill Facility Development..............................................................................4-1
4.1 Structural Fill Development..................................................................... 4-1
4.1.1 Stormwater Control...................................................................... 4-2
4.2 Structural Fill Facility Closure................................................................. 4-2
4.3 Recordation of Structural Fill Facility ..................................................... 4-2
FIGURES
Figure 1 USGS Quadrangle Map — Weldon, North Carolina
Figure 2 Stormwater Stilling Basin at Northwest corner of borrow site
Figure 3 Stone filter dam forming Stormwater Stilling Basin
Figure 4 Soil Borrow Site looking South from North Edge
Figure 5 Groundwater Contour Map — Appendix B
— Figure 6 Final Contour Map — Appendix C
TABLES
Table 1 Groundwater Level Summary Sheet — Appendix B
- Appendix A Structural Fill Site Topographic Map
Appendix B Soil Boring Logs
Table 1 — Groundwater Level Summary Sheet
Figure 5 — Groundwater Contour Map
Appendix C Figure 6 — Final Contour Map
Volume Calculation Summary Sheet
Appendix D Coal Ash TCLP Leaching Test Results
Signed Landowner Agreement for Structural Fill Placement
Appendix E Erosion Control Plan
4
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SEC EONE InYONC[ton and Background
1.1 INTRODUCTION
Westmoreland Partners operates a coal-fired power generating facility in Weldon, North
Carolina. The Coal Combustion By -Products (CCB) is proposed for beneficial use in refilling
5.2-acres in a 7-acre (+/-) soil borrow site situated 4.4 miles south of Weldon at 4752 Highway
301 in Halifax County. The soil borrow site is licensed as a mining facility by the property
owner, O.N. (Nat) Vaughan. Mr. Vaughan and Westmoreland Partners have an agreement
whereby Westmoreland will provide CCB as a structural fill to restore the borrow site as
provided for in Section .1700 of the North Carolina Solid Waste Management 15A NCAC 13B
Rules.
1.2 BACKGROUND
This report describes the borrow site conditions, characterizes site soil and groundwater
conditions, and provides drawings showing the Structural Fill placement and cover requirements
prescribed in Section .1700 of the North Carolina Solid Waste Management 15A NCAC 13B
Rules, for Beneficial Use of CCB's.
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UNIONTWO Soil and Groundwater Conditions
2.1 SITE CONDITIONS
~ The parcel occupies approximately 7.25-acres of land used as a soil borrow facility, located
within a 224-acre parcel of land owned by O. N. (Nat) Vaughan at 4752 Highway 301 in Halifax
County, North Carolina. The facility is located immediately across highway 301 from the
Halifax County Social Services facility. The site is located 4.4 miles south of Weldon, NC
(36.3709 N Latitude; 77.595 W Longitude), as shown in Figure 1.
The site was formerly farmland, and has been licensed as a soil mining facility since the 1980's
by the current property owner, Mr. Vaughan. The area was previously a gently sloping mound
that drained north, east, and west. An unnamed stream is located about 300 to 400 feet north of
the borrow area. The mining permit included provision for soil erosion and sedimentation
controls. A sedimentation basin was constructed in the northwest corner of the borrow area (See
Figure 2), and discharge from the stilling basin is filtered through two stone check dams (See
Figure 3).
Figure 1 - USGS Quadrangle Map — Weldon, North Carolina
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Soil and Groundwater Conditlons
Figure 2 — Stormwater Stilling Basin at Northwest corner of borrow site.
Figure 3 — Stone filter dam forming Stormwater Stilling Basin.
The borrow site was developed in general accordance with the mining permit development plans.
The base of the borrow site slopes at approximately 1 % from the southeast corner to the stilling
basin in the northwest corner. The south bank of the borrow site is a steep scarp averaging 14
feet in height. The other 3 sides of the borrow area are gently sloped, vegetated, and range from
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SEBIONTWO Soil and Groundwater Conditions
about 4 to 8 feet in height (See Figure 4). Approximately 75,000 cubic yards of soil were
reportedly removed from the borrow site according to notes on the mining permit drawing
provided by Mr. Vaughan. A windrow of topsoil is present just west of the excavated borrow
area. The owner intends to reuse this topsoil in covering the CCB Structural Fill.
Figure 4 — Soil Borrow Site looking South from North Edge.
A topographic survey of the borrow site was conducted by Odom Land Surveying, and the
existing site conditions are shown on this map in Appendix A. During the fall of 2007, the
borrow site was being used to supply soil for a bridge reconstruction project on Highway 561.
The North Carolina Department of Transportation (NCDOT) had recently surveyed in the
borrow site as part of this project. Two benchmarks, labeled by the NCDOT, with GPS
established elevations, were found at the borrow site. The benchmark used by Odom Land
Surveying is identified on the topographic map in Appendix A.
The site appears to satisfy Structural Fill siting criteria specified in Section .1704 of the rules
2.2 SOIL CONDITIONS
Six hand auger borings were extended to determine the site soil and groundwater conditions.
The hand auger borings were drilled at locations shown on the topographic map in Appendix A.
Ground surface elevations at each boring location are provided on the boring logs in Appendix
B.
The most prevalent soil types were silty clayey fine to medium sands (classified as SC or SM
according to the Unified Soil Classification System). Layers of silty clay (CL), silts (ML), or
clean uniform sands (SP) were also encountered in the borings. Borings were typically extended
1 or 2 feet into the zone of saturation.
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SEMONTWO Sell and Groundwater CondlIdeas
2.3 GROUNDWATER CONDITIONS
3/4 — inch PVC observation wells were placed in each bore hole to allow subsequent water level
measurements. Elevations, well dimensions, along with the depth and elevation of the water
table measured on several dates are summarized in Table 1 in Appendix B. Groundwater flows
in a north — northeasterly direction as shown on Figure 5 in Appendix B. Groundwater was
encountered at depths ranging between about 2.1 and 4.5 feet below the ground surface in the six
soil borings, as shown on the boring logs in Appendix B.
Except in the stilling basin and drainage ditch at the northwest corner of the borrow site, water
levels were typically more than 2 feet below the ground surface across the borrow pit bottom.
Two stone check dams were constructed across a discharge channel extending northwest from
the stilling basin. This discharge channel leads to an unnamed stream northwest of the borrow
site. The stilling basin and check dams appear to be effectively operating as erosion control
measures and can be maintained during structural fill placement.
Water levels were recorded over a relatively short period of time. Much of North Carolina was
experiencing a significant drought during the summer of 2007. Water levels may vary
seasonally and with variations in precipitation.
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SEMINTHREE NoUllcations
3.1 NOTIFICATIONS
~ Section .1703 of the North Carolina Solid Waste Management 15A NCAC 13B Rules requires
the following notifications:
(1) The site is in an active soil borrow pit (licensed mining facility) situated at 4752
Highway 301, 4.4 miles south of Weldon, North Carolina, is proposed for use as a
_ Structural Fill site, wherein Coal Combustion By -Products (CCB) will be beneficially
used to restore the borrow pit to near it's original ground surface condition. The site
is shown in Figure 1 on the Weldon, NC Quadrangle map.
(2) Filling on the project site is expected to begin soon after receipt of a permit from the
Solid Waste Section (expected in December 2007). Filling should be complete by
September 2008.
(3) The site CCB capacity is 64,000 cubic yards.
(4) Toxicity Characteristic Leaching Procedure (TCLP) analysis for the CCB are in
Appendix D.
(5) The signed statement from the property owner accepting CCB use to fill the site is in
Appendix D.
(6) The name of the CCB generator is:
Westmoreland Power
29 Power Place P. O. Box 351
Weldon, NC 27890
Don Keisling, General Manager
Glenn Outland, Auxiliary Manager 252-536-3201 ext. 246
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SEMINFOUR Structural Fill Facinly Development
4.1 STRUCTURAL FILL DEVELOPMENT
Stormwater generated in the borrow area is contained within the site by the surrounding ground
surface. Stormwater discharge is limited to an excavated channel leading northwest of an
existing stilling basin at the northwest corner of the borrow site (Figure 2). Two stone check
dams were previously constructed across this discharge channel, and still function in filtering
sediment from discharging stormwater flow (Figure 3).
Figure 6 in Appendix C provides the recommended final surface contours for the Structural Fill
Facility. The site should be filled to a high point near the south center of the borrow area to
elevation +88 to +90. The CCB surface should be graded to the contours shown on the drawing.
Slopes ranging from 7% to 10% are recommended to minimize erosion during active filling.
Filling to the contours shown on Figure 6 will provide site capacities shown in Table 2.
Supporting calculations are provided in Appendix C.
Table 2
Structural Fill Site Capacities
CCB Volume
64,000 cubic yards
1 foot soil cover volume
7,500 cubic yards
6" topsoil cover volume
3,700 cubic yards
The horizontal limit of the CCB fill is to remain well within the original borrow site limits in
order to provide sufficient space for a perimeter stormwater control ditch. Figure 6 shows the
bottom of the perimeter ditch slopes at 2.6% on all but the north side of the site, where the ditch
bottom is flatter at a 1 % slope. Stormwater runoff and sedimentation controls have been
provided for in sizing perimeter ditches, placement and sizing of rock check dams, and in sizing
sediment traps near the northwest corner of the site. These features, combined with silt fences or
earthen sediment traps near the active fill areas, should provide sufficient erosion control to limit
sedimentation into the existing borrow site sediment trap. Appendix E includes the Erosion
Control Plan for site development.
The CCB should be moisture conditioned prior to transport, and truck boxes should be covered
to control dust and spillage. The final 50-feet of gravel access road adjacent to Highway 301
should be surfaced with coarse aggregate (2" to 3" nominal size) to reduce tracking of soil onto
the public right-of-way (see Erosion Control Plan in Appendix E). The CCB should be placed in
the site beginning in the southeast corner, and proceeding toward the northwest, filling within the
contours shown on Figure 6 in Appendix C. The CCB should be spread in lifts not exceeding 1
foot in thickness, and should be compacted using the spreading and hauling equipment. Active
v areas in the structural fill should be kept as small as possible in order to reach final grades in
portions of the site as soon as practical. Such areas can then be covered to minimize the open
area subject to precipitation and wind erosion.
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KRIONFOUR Structural F111 Facility Development
4.1.1 Stormwater Control
Prior to CCB placement an earthen containment berm at least 2 feet in height should be
constructed between the stilling basin and the floor of the borrow area. Stormwater runoff from
the active CCB filling area should be kept from entering the stilling basin through use of earthen
filtering berms and/or silt fence as specified in the site Erosion Control Plan (See Appendix E).
Soil cover should be placed over CCB slopes as soon as an area is filled to final grades in order
to reduce CCB erosion and to minimize the amount of CCB sediment in perimeter ditches.
Small earthen containment berms and/or silt fences should be constructed on the borrow site
floor in advance of the northwesterly filing front. The earthen berms or silt fences will serve to
reduce the migration of CCB sediment across the remaining borrow area floor, and keep CCB
sediment from entering the stilling basin.
4.2 STRUCTURAL FILL FACILITY CLOSURE
Areas in the CCB Structural fill that reach final grades should be covered with soil according to
_ Section .1705 0) of the North Carolina Solid Waste Management 15A NCAC 13B Rules.
Twelve inches of cover soil, plus six inches of topsoil capable of supporting vegetation, must be
used to cap the structural fill facility. Final cover placement must be completed within 30
working (or 60 calendar) days, whichever is less, after CCB filling has ceased.
Closure requirements include establishing vegetation as prescribed on Drawing Sheet 2 (Erosion
Control Details) attached hereto. The owner is required to submit certification to the Division of
Waste Management, signed and sealed by a registered professional engineer, confirming the
requirements of Section .1706 of the North Carolina Solid Waste Management 15A NCAC 13B
Rules have been met for the site.
4.3 RECORDATION OF STRUCTURAL FILL FACILITY
Section .1707 of the North Carolina Solid Waste Management 15A NCAC 13B Rules requires
the land owner to submit a notarized statement describing the volume and location of coal
combustion products to the county Register of Deeds within 90 days after completion of the
CCB filling project. This statement must be in the form prescribed by G.S. 47-38 through 47-43,
and the Register of Deeds must notify the Waste Management Division of the date, book and
page where the notice has been recorded.
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APPENDIX A
Structural Fill Site Topographic Map
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APPENDIX B
Soil Boring Logs
Table 1- Groundwater Level Summary Sheet
Figure 5 - Groundwater Contour Map
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BORING LOG: B-1
Mill
Drill Date 09114107
Site Highway 301
Client Westmoreland
Use Structural Fill
Address Highway 301 - 4.5 miles south of Weldon, NC
Total Depth it5.2
Drilling Method Hand Au er lBoring
De th ft 5.2
Bohng Diam. in 1.25
Backfill Material 314" PVC NA
Static Water Level 4' BGS
Rmrks G. S. Elevation = 66.6 ITOC
Elevation 67.44
Sample Method Continuous
LD
Well
Well
x
m
rn N o
a
E a
3
y m
Soil Description
0.75'stick-
p
N a)[�
U rn
up
0
(SM-sc)
Orange fine to coarse sand - trace silt, trace clay- moist
2
(SC-SM)
Orange brown silly clayey fine to coarse sand -moist,
3
becoming wet @ 4'
—
c
m
n
0
w
v
c
0
4
(SP)
Brown fine to coarse sand - wet - caving into bore hole
5
Not to Scale
kNtes
: Water Level in well 3.9'BGS on 9/20/07neer:
Rich Lowe
Driller: Rich Lowe
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BORING LOG: B-2
Drill Date 09114107
Site Highway 301
Client Westmoreland jUse
Ash Reuse Site
Address Highway 301- 4.4 miles South of Weldon
Total Depth ft 5.0
Drilling Method Hand Auger lBoring
Depth ft 5.0
Boring Diam. in 1.25
Backfill Material 314" PVC
Static Water Level 3' BGS
Rmrks G. S. Elevation = 67.8 ITOC
Elevation 68.48
ISample Method Continuous
Well
T `..
O
to
Dia
ram
s
a
n
E-
N �o
y m E
Soil Description
0.67'stick-
4))
a
� �
—�°
� V to
up
o
0
(CL)
Reddish brown silty sandy Gay
7
(SM-SC)
Yellowish brown clayey silty fine to coarse sand with trace to
some fine gravel - moist
2
(SC-SM)
Brown silty clayey fine to coarse sand -wet @ 3'
3
-
c
m
a
a
N
N
(CL)
Varved Reddish brown silty clay with thin seams of gray silt -
—
moist
o
4
(ML)
Gray sandy silt with some clay -wet -soh
6
Not to Scale
6
Notes: Water Level in well 2.9' BGS on 9120107
Engineer. Rich Lowe
Driller: Rich Lowe
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BORING LOG: B-3
Drill Date 09/14/07
Site Highway 301
Client Westmoreland jUse
Ash Reuse Site
Address Highway 301- 4.4 miles South of Weldon
Total Depth ft 5.6
Drilling Method Hand Auger lBoring
Depth ft 5.6
Boring Diam. in 1.25
Backffll Material 314" PVC
Static Water Level 2.818GS
Rmrks G.S. Elevation ■ 63.2
TOC Elevation 63.87
Sam le Method Continuous
Wall
N
to
to 0
Diagram
t
a
a
E
E£
m n
3
U to E
C)
Soil Description
0.56' stick-
p
rn
Co y
O
o
m
U
up
0
(SM-SC)
Yellowish brown silly clayey fine to medium sand - moist
1
(ML)
Gray silt
2
(SM-SC)
Yellowish brown clayey silty fine to coarse sand - wet
3
CL)
Soft wet gray to reddish brown silty clay
n
0
SP)
N
n
Brown wet fine to medium sand
�
0
4
(ML)
Gray silt
5
(SP-SM)
Brown wet fine to medium sand - trace silt
6
—
Not to Scale
Notes: Water Level in well
2.7' BGS on 9120107
Engineer: Rich Lowe
I Driller: - Rich Lowe
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BORING LOG: B-4
Drill Date 09114107
site Highway 301
Client Marbnoreland
Use Ash Rouse Site
Address Highway 301 - 4.4 miles South of Woklign
Total Depth (ft) 5.5
Drilling Method Hand Auger 113oring Depth (ft) 5.5
Boring Diam. in 1.25
Backfill Material 314"PVC
Static Water Level 4.2'BGS
Rill G.S. Elevation = 64.8 ITOC
Elevation 65.48.
Sam ple Method Continuous
a
well
Ci
—
- 2
ip
a �
E
'('6
rn 0
M
Co M E
Soil Description
Diagram
stick-
E
D L) >
UP'65'
0
x
(SP)
Yellowish brown to light brown silty fine to medium sand, trace
of coarse sand, trace clay
2
X
3
Reddish brown mottled silty clayey sand - wet @ 4.2'
(SM-SC)
4
Wet Light brown fine to coarse sand - trace silt
X
S
(Sp-su)
Not to Scale
Notes: Water Level in well @ 3.95'BGS an 9120107
Engineer: Rich Lowe
tMiler: Rich Lowe
TAN.jr�(ANCl47 57, -KR,\l-.,,\6-416-4u 0/1 0/2007\7:44 AM Page I of I
BORING LOG: B-5
Drill Date 09114107 .
Site Highway 301
Client Westmoreland jUse
Ash Reuse Site
Address Highway 301- 4.4 miles South of Weldon
Total Depth ft 5.0
Drilling Method Hand Au er 113oring
Depth ft 5.0
Borir�g Diam. in 1.25
Backfill Material 314" PVC
Static Water Level 4.6' BGS
Rmrks G.S. Elevation = 67.3 TOC Elevation 56.92 Sample Method Continuous
g
Well
n F
15
to
rn N a
Diagram
0.53'stick-
n
E
m .5.
o
u m E
Soil Desi:riptian
rn 8m
" �,
o
�,
UP
0
(SM)
Reddish brown silty fine sand trace clay
1
2
3
(SM-SC)
Brown tine to medium sand, trace silt, trace clay
t5
Y
u
m
0
z
t
0
4
(SP-SM)
Wet Light brown fine to coarse sand - trace sill, trace clay
5
6
Not to Scale
Notes: Water Level in well 4.4' BGS on 9120107
Engineer: Rich Lowe
Driller: Rich Lowe
T:TrojectsMc 14757, LKli,\l.ugs\B-5�B.5v0n0/2007v:44 am Page I of I
BORING LOG. B-6
IDrill
Date 09114107
Site Highway 301
Client Hestritiorialand
Use Ash Rouse SH&
Address Highway 301 - 4.4 mHes South of Weldon
Total Depth (11) 5.0
Driffing Method Hand Auger lBoring Depth (ft) 5.0
Boring Diam. in 1.25
Backfill Material 314"PVC
Static Water Level 2.0'BGS
Rmrks G.S. Elevation = 63.9 ITOC
Elevation 64.77
ISam ple Method Continuous
a
—
.
Well
C
at
(D
(0rn
Diagram
E
E
Soil Description
0.7'stick-
Z-0
Co
up
0
(SP)
Yellowish brawn fins to coarse sand
2
3
(CL)
Gray to reddish brown silty sandy clay - wet
:::it
O
Light brown siltyfine sand - wet
(SM)
Not to Scale
Water Level in well @ Z I'BGS on 9/20/07
! .r. .Ingoin. . Rich Lo"
jDriller: Rich Lowe
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APPENDIX C
Figure 6 - Final Contour Map
Volume Calculation Summary Sheet
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_ APPENDIX D
Coal Ash TCLP Leaching Test Results
Signed Landowner Agreement for Structural Fill Placement
201 West Clay Avenue / West Hazleton, PA 18202
L A B S I N C
PHONE (570) 455-601 1 - FAX (570) 455-6321
www.hawkiT)tnlabs.com
Certificate of Analysis
-Customer:......W.estmoreland.-- LG&E- Partners
Report.Date: . .... ...:August.20,
2007
Roanoke Valley Energy Facility
Page I of I
P.O. Box 351
Weldon, NC
27890
Material Tested: Fly Ash
HawkMtnWO#:
0708-00329-001
Date Sampled: 08/03/2007
Time Sampled:
8:30 Sampler:
Client
Date Received: 08/08/2007
Sample Point ID:
ROVA I
Client Sample ID: ROVA I Fly Ash
Test Name Test Results
Method
Technician Analysis Date
Time
TCLP, Extraction Fluid ID.
I Fluid No.
SW846-3010
MC
08/10/2007
13:22
Leachate, Ending pH
5.40 so
SW846-9040
MC
09/1012007
13:22
Aluminum, leachate
9.87 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Antimony, Leachate
<0.05 mg/1
SW846-6010B
DDF
09/1412007
18:00
Arsenic, Leachate
0.39 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Barium, Leachate
0.348 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Beryllium, Leachate
0.005 Mgt]
SW846-601 OB
DDF
08/14/2007
18:00
Cadmium, Leachate
<0.005 mg/l
SW846-6010B
DDF
08/14/2007
18:00
*Boron, Leachate
6.09 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Chromium, Leachate
0.030 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Copper, Leachate
<0.05 mg/1
SW846-6010B
DDF
08/1412007
18:00
Alton, Leachate
7.07 mg/1
SW846-6010B
DDF
08/14/2007
18:00
Lead, Leachate
<0.05 mg/l
SW846-6010B
DDF
08114/2007
18:00
AManganese, Leachate
0.559 mg/1
SW846-6010B
DDF
08/14/2007
18:00
AMercury, Leachate
0.003 mg/1
SW846-7470A
DDF
08/14/2007
10:30
Molybdenum, Leachate
0.210 mg/l
SW846-6010B
DDF
08114/2007
18:00
Nickel, Leachate
0.053 mg/1
SW846-6010B
DDF
08/14/2007
18:00
ASclenium, Leachate
0,60 mg/l
SW846-6010B
DDF
08/14/2007
18:00
ASilver, Leachate
0.040 mg/l
SW846-601 OB
DDF
08/14/2007
18:00
Tin, Leachate
<0,050 mg/l
SW846-601 OB
DDF
08/14/2007
18:00
Thallium, Leachate
<0.10 Mg/1
SW846-6010B
DDF
08/1412007
18:00
Titanium, Leachate
0.104 mg/1
SW846-6010B
DDF
08/14/2007
18:00
Zinc, Leachate
0.40 mg/l
SW846-6010B
DDF
08114/2007
18:00
These results relate only to the sample noted above. . Ronald A -A, Technical 1 Director
on ae, ec ca c or
Andrea Mengel, Enviroiunental Lab Coordinator
This certificate is not to be reproduced except in full,
without the written approval of HawkMtn Labs
AcCoo.
ISO 9001:2000 PA DEF 40-4171
REGISTERED COMPANY 4 1EPA PA00169
1
201 West Clay Avenue /West Hazleton. PA 18202
L A B S 1 N C PHONE (570) 455-601 1- FAX (570) 455-6321
www.i)awkmtnlabs.com
Certificate of Analysis
......._........-Customer:.._.-Westmoreland--LG&E-Partners.. Report Date: _. August 20j72007
Roanoke Valley Energy Facility Page 1 of 1
P.O. Box 351
Weldon, NC 27890
Material Tested: Bottom Ash
HawkMtn WO #:
0708-00329-002
_
Date Sampled: 08/03/2007
Time Sampled:
8:30 Sampler:
Client
Date Received: 08/08/2007
Sample Point ID:
ROVA 1
Client Sample ID: ROVA I Bottom Ash
Test Name Test Results
Method Technician Analysis Date
Time
TCLP, Extraction Fluid ID.
I Fluid No.
SW846-3010
MC
08/10/2007
13:22
Leachate, Ending pH
4.99 su
SW846-9040
MC
08/10/2007
13:22
Aluminum, leachate
0.71 mg/I
SW846-6010B
DDF
08/14/2007
18:00
_
Antimony, Leachate
<0.05 mg/I
SW846.6010B
DDF
08/14/2007
18:00
Arsenic, Leachate
<0.10 mg/I
SW846-6010B
DDF
08/14/2007
19:00
Barium, Leachate
0.618 mg/1
SW846-6010B
DDF
08/14/2007
18:00
— Beryllium, Leachate
0.001 mg/l
SW846-6010B
DDP
09/14/2007
18:00
Cadmium, Leachate
<0.005 mg/I
SW846-6010D
DDF
08/14/2007
18:00
Boron, Leachate
0.217 mg/1
SW846-6010B
DDF
08/14/2007
18:00
— Chromium, Leachate
<0.005 mg/l
SW846.6010B
DDF
08/14/2007
18:00
Copper, Leachate
0.22 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Iron, Leachate
0.19 mg/I
SW846-6010B
DDF
08/14/2007
18:00
— Lead, Leachate
<0.05 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Manganese, Leachate
0.082 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Mercury, Leachate
<0.001 mg/I
SW846-7470A
DDF
08/14/2007
10:30
Molybdenum, Leachate
<0.020 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Nickel, Leachate
<0.020 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Selenium, Leachate
<0.10 mg/1
SW846-6010B
DDF
08/14/2007
18:00
Silver, Leachate
<0.010 mg/I
SW846.6010B
DDF
08/14/2007
I8:00
— Tin, Leachate
<0.050 Mgt[
SW846-6010B
DDF
08/14/2007
18:00
Thallium, Leachate
<0.10 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Titanium, Leachate
<0.020 mg/I
SW846.6010B
DDF
08/14/2007
18:00
— Zinc, Leachate
0.25 mg/I
SW846-6010B
DDF
08/14/2007
18:00
These results relate only to the sample noted above. Ronald Andrae, Technical Director
This certificate is not to reproduced except in full, n
without the written approval of HawkMtn Labs a7'0�
Andrea Mengel, Environmental Lab Coordinator
01N ACCpgM
IS0 9001:2000 u� PAOEP40.417
pEGISiEPEOCOMppNY _ _ EPA PA60169
6
1
201 west Clay Avenue /west Hazleton. PA 18202
L A B S 1 N C PHONE (570) 455-601 1• FAX (570) 455-6321
www.hawkmtnlabs.com
Certificate of Analysis
........ Customer Westmoreland— -LG&E- Partners .._- _...... ..........Report -Date: -.....August.20 2007-
Roanoke Valley Energy Facility Page 1 of 1
P.O. Box 351
Weldon, NC 27890
Material Tested: Fly Ash HawkMtn WO #: 0708-00329-003
Date Sampled: 08/03/2007 Time Sampled: 8:30 Sampler: Client
Date Received: 08/OS/2007 Sample Point 1D: ROVA 11
Client Sample ID: ROVA H Fly Ash
Test Name
Test Results
Method
Technician
Analysis Date
Time
TCLP, Extraction Fluid ID.
2 Fluid No.
SW846-3010
MC
08/10/2007
13:22
Leachate, Ending pH
5.04 an
SW846-9040
MC
08/102007
13:22
Aluminum, lembate
13.6 mg/I
SW846-6010B
DDF
08/14/2007
18:00
_
Antimony, Leachate
0.05 mg/1
SW846-601013
DDF
08/14/2007
18:00
Arsenic, Leachate
0.30 mg/I
SW846.6010B
DDF
08/14/2007
18:00
Barium, Leachate
0.783 mg/1
SW846-601013
DDF
08/14/2007
18:00
Beryllium, Leachate
0.008 mg/1
SW846.6010B
DDF
08/14/2007
18:00
Cadmium, Leachatc
<0.605 mg/1
SW846-6010B
DDF
08/14/2007
18:00
Boron, Leachate
5.49 mg/1
SW846-6010B
DDF
08/14/2007
18:00
'— Chromium, Leachate
0.028 mg/I
SW846.6010B
DDF
08/14/2007
18:00
Copper, Leachate
<0.05 mg/I
SW846-6010B
DDF
08/14/2007
I8:00
Iron, Leachate
15.0 mg/I
SW846.6010B
DDF
08/14/2007
18:00
— Lead, Leachate
<0.05 mg/l
SW846-6010B
DDF
08/14/2007
18:00
Manganese, Leachate
0.856 mg/l
SW846.6010B
DDF
08/14/2007
18:00
Mercury, Leachate
0.002 mg/l
SW846-7470A
DDF
08/14/2007
10:30
— Molybdenum, Leachate
0.145 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Nickel, Leachate
0.111 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Selenium, Leachate
0.48 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Silver, Leachate
0.052 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Tin, Leachate
<0.050 mg/I
SW846-6010B
DDF
08/142007
18:00
Thallium, Leachate
<0.10 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Titanium, Leachate
0.128 mg/1.
SW846.6010B
DDF
08/14/2007
18:00
' Zinc, Leachate
0.33 mg/I
SW846-60I0B
DDF
08/142007
18:00
These results relate only to the sample noted above.
Ronald Andree, Technical Director
This certificate is not toreproduced except in full,
without the written approval of HawkMtn Labs
Andrea Mengel, Environmental Lab Coordinator
Q \[I RCCpgO
4.
- e - PA0EP40.911
ISO 9001:2000 - EPA PA00169
pE0151EflE0 COMPANY <
zo 1 West Clay Avenue /West Hazleton, PA 18202
L A B S 1 N C PHONE (570) 455-601 1- FAX (570) 455-6321
www.hawlcmtniabs.com
Certificate of Analvsis
.... -.... ..........Customer:..---Westmoreland--LCr&E- Partners- -..... _ _ . _..... __.Report --Date- - ---August..20 2007.. --.....-.. - ..----....
Roanoke Valley Energy Facility Page 1 of 1
P.O. Box 351
Weldon, NC 27890
Material Tested: Bottom Ash
HawkMtn WO #:
0708-00329-004
_
Date Sampled: 08/03/2007
Time Sampled: 830
Sampler:
Client
Date Received: 08/08/2007
Sample Point ID:
ROVA II
Client Sample ID: ROVA II Bottom Ash
Test Name Test Results
Method Technician Analysis Date
Time
TCLP, Extraction Fluid ID.
I Fluid No.
SW846-3010
MC
08/10/2007
13:22
Leachate, Ending pH
4.99 su
SW846-9040
MC
08/10/2007
13:22
Aluminum, leachate
0.87 mg/I
SW846-6010B
DDF
08/14/2007
18:00
— Antimony, Leachate
<0.05 mg/I
SW846-6010B
DDF
08/142007
18:00
Arsenic, Leachate
<0.10 mg/1
SW846-6010B
DDF
08/142007
18:00
Barium, Leachate
0.859 mg/1
SW846-6010D
DDF
08/142007
18:00
— Beryllium, Leachate
0.003 mg/I
SW846-6010B
DDF
08/14/2007
18:00
Cadmium, Leachate
<0.005 mg/1
SW846-6010B
DDF
08/14/2007
18:00
Boron, Leachate
0.572 mg/I
SW846-6010B
DDF
08/142007
18:00
— Chromium, Leachate
0.009 mg/I
SW846.6010B
DDF
08/142007
18:00
Copper, Leachate
<0.05 mg/I
SW846-6010B
DDF
08/142007
18:00
Iron, Leachate
2.71 mg/I
SW846-6010B
DDF
08/14/2007
18:00
— Lead, Leachate
<0.05 mg/I
SW846.6010B
DDF
08/14/2007
18:00
Manganese, Leachate
0.210 mg/1
SW846.6010B
DDF
08/14/2007
18:00
Mercury, Leachate
<0.001 mg/I
SW846-7470A
DDF
08/14/2007
10:30
Molybdenum, Leachate
<0.020 mg/1
SW846-6010B
DDF
08/142007
18:00
_
Nickel, Leachate
0,027 mg/l
SW846.6010B
DDF
08/142007
18:00
Selenium, Leachate
<0.10 mg/I
SW846-601013
DDF
08/14/2007
18:00
Silver, Leachate
<0.010 mg/I
SW846-6010B
DDF
08/14/2007
18:00
— Tin, Leachate
<0.050 mg/I
SW846-601013
DDF
08/142007
18:00
Thallium, Leachate
<0.10 mg/1
SW846-601013
DDF
08/14/2007
18:00
Titanium, Leachate
<0.020 mg/l
SW846-6010B
DDF
08/142007
18:00
— Zinc, Leachate
1.10 mg/1
SW846-6010B
DDF
08/142007
18:00
These results relate only to the sample noted above.
Ronald Andree, Technical Director
This certificate is not to reproduced except in full, n
without the written approval of HawItlVltn Labs (�jw(,u,Q
Andrea Mengel, Environmental Lab Coordinator
44'M YN AC CpgO9ry
` Iso 9001:2000 �° f PAOEP40.411
PE415PEPE�C�MP.INY �� -_ EPA PA00169
STATEMENT OF LAND OWNER
Otis N. and Judith Vaughan, owner and developer of the land on which the structural fill is to be
_ placed, hereby acknowledge and consent to the use of coal combustion by-products as structural
fill and agree to record the fill statement with the register of deeds of Halifax County in
accordance with Rule .1707 of the .1700 Regulations and in the form prescribed by G.S. 47-38
_ through G.S. 47-43.
°7
)Signature of Land Owner(s) Date
APPENDIX E
Erosion Control Plan
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