NC0005363_App D CSA Errata_20160701

Comprehensive Site Assessment Report — SUPPLEMENT 1 (September 2015) August 2015
W.H. Weatherspoon Power Plant SynTerra
SUPPLEMENT DOCUMENT RECORD
Revision
Revision
Section / Description
No.
Date
Page
Revision Description
Section 6.5 / Electrochemical
1
9/15/2015
32
Changed text
Charge Balance
Section 6.6 / Equilibrium
1
9/15/2015
32-33
Changed text
Section 12.2.2.1 / Facility Site
1
9/15/2015
78
Inserted more site descriptors
Summary
Section 12.2.2.4 / Watershed in
1
9/15/2015
79
Fixed citation
which the Site is Located
Section 12.2.2.5 / Average
1
9/15/2015
79
Fixed section title and citation
Precipitation
Section 12.2.2.6 / Average
1
9/15/2015
80
Fixed citation
Temperature
Section 12.2.2.8 / Threatened and
1
9/15/2015
80
Fixed citation
Endangered Species that use
Habitats in the Ecoregion
Section 12.2.2.10 / On -site and
1
9/15/2015
80
Cut text to move to Section 12.2.2.1,
Off -site Land Use
fixed acreage
Section 12.2.2.11 / Habitats within
1
9/15/2015
81
Added habitat descriptors
the Site Boundary
Section 12.2.2.16 / Species
1
9/15/2015
81
Edited reference to the T&E table
Normally Expected to Use Site
under Relatively Unaffected
Conditions
Section 12.2.2.17 / Species of
1
9/15/2015
82
Added list of endangered species in
Special Concern
region
Section 12.2.3 / Fate and Transport
1
9/15/2015
82-83
Edited syntax for easier reading
Mechanisms / Conceptual
Exposure Model
Section 12.2.3 / Fate and Transport
1
9/15/2015
83
Deleted "groundwater"
Mechanisms / Secondary Release
Mechanisms
Section 12.2.3 / Fate and Transport
1
9/15/2015
83-84
Edited syntax for easier reading,
Mechanisms / Exposure Medium,
rearranged receptor table
Pathways, and Exposure Routes
alphabetically, and separated
"Herpetiles" into "Reptiles" and
"Amphibians"
Section 12.2.5 / Comparison to
1
9/15/2015
85
Fixed years on in -text citations
Ecological Screening Levels
Page 1 of 3
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Errata\CSA Errata.docx

Comprehensive Site Assessment Report — SUPPLEMENT 1 (September 2015) August 2015
W.H. Weatherspoon Power Plant SynTerra
SUPPLEMENT DOCUMENT RECORD
FRevision
Revision
Section / Description
No.
Date
Page
Revision Description
Section 12.2.5 / Comparison to
1
9/15/2015
85-86
Edited text to expand on
Ecological Screening Levels /
explanations of why groundwater is
Groundwater
an incomplete ecological pathway,
fixed table references
Section 12.2.5 / Comparison to
1
9/15/2015
86-87
Edited text to be more specific and
Ecological Screening Levels /
descriptive, deleted text about non -
Surface Water
detected analytes, deleted Thallium
from list of analytes having no
comparison criteria
Section 12.2.5 / Comparison to
1
9/15/2015
88
Grammar fix
Ecological Screening Levels /
Seeps
Section 12.2.5 / Comparison to
1
9/15/2015
89-90
Deleted text about non -detected
Ecological Screening Levels /
analytes, deleted Thallium from list
Seeps
of analytes having no comparison
criteria, deleted "(e.g., hardness)"
Section 12.2.5 / Comparison to
1
9/15/2015
92-94
Added chromium and copper to list
Ecological Screening Levels /
of retained COPCs, fixed number of
Sediment
samples, added description of
chromium and copper detections,
added language about S-07 DUP
data, deleted text about non -detected
analytes, added text about calcium,
magnesium, potassium, and sodium
omission from screening.
Section 12.3 / Uncertainty and
1
9/15/2015
94
Added language to better explain
Data Gaps
analytical error/detection
Section 12.4 /
1
9/15/2015
94
Edited syntax for better reading
Scientific/Management Decision
Point
Section 12.5 / Screening Level
1
9/15/2015
94-95
Added "Screening Level' to Section
Risk Assessment Summary
title, and added "human and" into
second sentence
Tables / Table 6-5 June 2015 Water
1
9/15/2015
Revised data to correct field
Level Measurements
transposition
Tables / Table 7-7 Ash Pore Water
1
9/15/2015
Inserted new data for Cr(VI)
Analytical Results
Tables / Table 8-2 Mineralogy of
1
9/15/2015
Inserted new mineralogy data for
Soils
sample BW-02 and AW-03
Tables / Table 8-5 Whole Rock
1
9/15/2015
Inserted new analytical data for BW-
Metal Oxide Analysis of Soil
02 and AW-03
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Errata\CSA Errata.docx

Comprehensive Site Assessment Report — SUPPLEMENT 1 (September 2015) August 2015
W.H. Weatherspoon Power Plant SynTerra
SUPPLEMENT DOCUMENT RECORD
Revision
Revision
Section / Description
No.
Date
Page
Revision Description
Tables / Table 8-6 Whole Rock
1
9/15/2015
Inserted new analytical data for BW-
Elemental Analysis of Soil
02 and AW-03
Tables / Table 9-2
1
9/15/2015
Corrected data
Tables / Table 9-3
1
9/15/2015
Corrected data
Tables / Table 9-5
1
9/15/2015
Corrected data
Tables / Table 10-1
1
9/15/2015
Inserted new analytical data for
Sample ID MW-55I
Tables / Table 12-12 SW and Seeps
1
9/15/2015
Merged analyte cells for easier
Results
reading, fixed selenium criteria from
dissolved to total, fixed chromium to
hardness dependent, fixed title to be
Duke Energy Progress LLC
Tables / Table 12-13 2015 Soils (0-
1
9/15/2015
Fixed title to be Duke Energy
2) Analytical Results
Progress LLC
Tables / Table 12-14 2015
1
9/15/2015
Fixed title to be Duke Energy
Sediment Analytical Results w
Progress LLC
Screening Criteria
Tables / Table 12-15 Matrix
1
9/15/2015
Fixed mistakes
Ecological
Figures / Figure 6-6
1
9/15/2015
Changed figure to correct for field
Potentiometric Surface Lower
transposition
Yorktown Formation Wells June
2015
Figures / Figure 6-7
1
9/15/2015
Changed figure to correct for field
transposition
Figures Figure 12-9 Weatherspoon
1
9/15/2015
Changed Herpetiles to Reptiles and
Eco CEM
Amphibians, added Dermal
Exposure for Soil and Surface Water,
added Purposeful Ingestion
(Drinking) for Surface Water, made
aesthetic improvements (e.g. dotted
lines for incomplete pathways, arcs
over line intersections)
Appendix F / Soils Test Data
1
9/15/2015
Inserted new laboratory report for
whole rock analysis
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Comprehensive Site Assessment Report — SUPPLEMENT 1 (September 2015) August 2015
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The following pages are modifications or additions to the
Comprehensive Site Assessment Report (Original) dated August
2015. These pages will supersede the corresponding pages in the
original document.
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Comprehensive Site Assessment Report — SUPPLEMENT 1 (September 2015) August 2015
W.H. Weatherspoon Power Plant SynTerra
and ash. Kim and Kazonich (2004) report association of nickel with the silicate
(likely clay) fraction in coal. Solubility of nickel from ash is pH sensitive, with
mobilization greatest under highly acidic conditions (Izquierdo and Querol,
2012).
6.5 Electrochemical Charge Balance
Many constituents dissolved in solution exhibit either positive (call cations, such as Fe+2)
or negative (anions, such as HCO3) charges because they are not chemically bound in a
solid. Comparison of the concentration of major cations and anions in a solution such
as a groundwater sample can be used for two purposes. First, charge balance within a
small tolerance (five to ten percent) provides an indication that all of the major
constituents have been identified. Second, lack of charge balance in a well characterized
sample can be an indication of unusual conditions.
Electrochemical charge balance is calculated by converting concentrations of major
cations (calcium, potassium, sodium, magnesium, iron, and manganese) and major
anions (chloride, bicarbonate + carbonate, sulfate + sulfide, and nitrate + nitrite) to molar
equivalents, summing the total of each, and comparing the results as a percentage off
equality. Lack of charge balance can be an indication that other chemical constituents
are "major" cations or anions. The hydroxyl radical (OH-) is the likely anion that would
be present but not analyzed for due to the difficulty of the analysis.
Groundwater samples collected for the CSA were analyzed for a large suite of cations
and anions. Because most groundwaters can be characterized with the anions that were
analyzed in the CSA, lack of charge balance can therefore be an indication of unusual
geochemical conditions. Deviations in solution chemistry indicated by charge balance
calculations are evaluated in this report to identify a cause.
6.6 Equilibrium
The conditions under which chemical reactions such as the binding of dissolved arsenic
into an iron oxide can be determined by experiments conducted under highly
controlled, or equilibrium, conditions (Nash, 1971, p. 101-107). These experimental data
yield powerful predictive capabilities regarding the results of chemical reactions so long
as the assumption of equilibrium can be made.
The chemical weathering that occurs as rainwater infiltrates into the ground
everywhere in the southeastern United States is the result of chemical disequilibrium. If
the rainwater were in equilibrium with soil and rock, weathering would not occur.
Similarly, discharge of contaminants from a source can cause disequilibrium in affected
groundwater as reactions initiated by the introduced contaminants proceed.
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Equilibrium is attained over time when the entropy (S), or the chemical capacity for
change, of the reaction reaches a maximum for the conditions (e.g., temperature,
pressure, concentration, etc.) under which the reaction is occurring. Equilibrium
calculations do not address the time required for entropy to reach a maximum
(Denbigh, 1971, p.40-42). In general, conditions at the surface of the earth are not
conducive to driving reactions to the maximum level of entropy, or equilibrium. It is
for this reason that chemists use reactors to create conditions of elevated temperature
and pressure to convert a mixture of chemicals into a product in a short period of time.
For these reasons, use of equilibrium equations to predict the results of chemical
reactions in an ash basin or in the shallow subsurface of the earth is at best an
approximation because natural systems are unlikely to attain equilibrium conditions.
These equations are a proper and appropriate starting point to predict the chemical
reactions that will occur over time as ash sluice water accumulates in a basin, becomes
ash pore water, and subsequently migrates from the basin. However, because the
assumption that equilibrium will be attained cannot be supported, the predictions in
this report and subsequent documents based on such calculations are approximations
and must be critically evaluated with professional judgment.
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locations where these COPCs have been identified. Additional refinement of
COPCs for site -specific considerations will be included as part of a corrective
action plan.
12.1.4 Site Specific Risk Based Remediation Standards
Based on the results of the preliminary comparison to risk -based screening
levels, media -specific remediation standards may be warranted in accordance
with the Eligibility Requirements and Procedures for Risk -Based Remediation of
Industrial Sites Pursuant to NC General Statutes 130A-310.65 to 310.77 as part of
a corrective action plan. These standards will be calculated as part of corrective
action planning based on the COPCs defined by the screening level risk
assessment.
12.2 Ecological Screening
12.2.1 Introduction
This screening level ecological risk assessment (SLERA) has been prepared in
accordance with the guidelines for conducting a SLERA for sites under the
authority of NCDENR Division of Waste Management. The objective of the
SLERA is to evaluate the likelihood that adverse ecological effects may result
from exposure to environmental stressors associated with conditions at the site.
This scope of work is equivalent to Step 1- preliminary problem formulation and
ecological effects evaluation (USEPA, 1998) and Step 2 — estimation of the level of
a constituent exposure to a plant or animal at the site and comparison of the
maximum constituent concentrations to Ecological Screening Values (ESVs).
12.2.2 Ecological Setting
The site ecological setting is described in the following paragraphs.
12.2.2.1 Facility Site Summary
The Weatherspoon Plant is a former coal-fired electricity -generating
facility located at 491 Power Plant Road, Lumberton, Robeson County,
North Carolina. The location of the Plant is shown on Figure 2-1; the
approximate coordinates of the site are latitude N34.592931 and longitude
W-78.978587. The approximate size of the property is 1,015 acres, and
consists primarily of: former plant site (demolished and removed), diesel
fuel -burning combustion turbine units, modular office units, other
maintenance buildings, the ash management area, and some undeveloped
areas. The onsite ash basin is approximately 36 acres in size, containing
1,530,000 tons of ash. The cooling pond is approximately 225 acres and is
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located adjacent to the Lumber River. The ash basin is located north of the
cooling pond.
12.2.2.2 Regional Ecological Setting
The Weatherspoon Plant facility is located in the Southeastern Plains
ecoregion of North Carolina, further divided into the Atlantic Southern
Loam Plains ecoregion, with the Lumber River lying within the
Southeastern Floodplains and Low Terraces ecoregion (Griffith et al.,
2002).
12.2.2.3 Description of Ecoregion and Expected Habitats
This region is a major agricultural area and generally has well -drained
soils. Carolina bays are not uncommon in this region, within which are
often found rare and/or endangered flora and fauna. The bottomland
hardwood forests are often oak, and may contain some swamp areas of
cypress and tupelo (Griffith et al., 2002). This region also typically includes
large, slow rivers with swamps, ponds, and oxbow lakes often found in
the immediate vicinity. Oak -dominated bottomland hardwood forests,
and some river swamp forests of bald cypress and water tupelo are quite
common.
12.2.2.4 Watershed in which the Site is Located
The Lumber River watershed (hydrologic unit 03040203030010)
encompasses approximately 3,343 square miles in all or part of 10
counties. There are four smaller watersheds that feed into the Lumber
River watershed: the Lumber River, the Waccamaw River, the headwaters
of the Little Pee Dee, and the coastal watershed of the
Shalotte/Lockwoods/Folly Rivers. There is one named tributary to the
Lumber River, Mill Branch, and then, after crossing into South Carolina,
the Lumber River drains into the Little Pee Dee River. The Lumber River
is state designated as a Natural and Scenic Water, 81 miles of which have
also been designated as National Wild and Scenic Water (NCDENR
Website. <http://portal.ncdenr.org/web/eep/rbrps/lumber> Accessed on
July 29, 2015).
12.2.2.5 Average Precipitation
Total annual precipitation in this region is approximately 48 inches (US
Climate Data Website. <http://www.usclimatedata.com> Accessed
September 2, 2015).
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12.2.2.6 Average Temperature
The annual average high temperature is 73°F and the annual average low
temperature is 51°F (US Climate Data Website.
<http://Www.usclimatedata.com> Accessed September 2, 2015).
12.2.2.7 Length of Growing Season
The growing season in Lumberton, NC is approximately 173 days (with 95
percent probability)
(www.erh.noaa.gov/ilm/climate/freeze/Lumberton.html, accessed on July
29, 2015).
12.2.2.8 Threatened and Endangered Species that use
Habitats in the Ecoregion
A list of threatened and endangered species for Robeson County is
provided in Table 12-11(NCDENR Natural Heritage Program Website.
<http://www.ncnhp.org/web/nhp/database-search> Accessed September 2,
2015).
12.2.2.9 Site -Specific Ecological Setting
A Checklist for Ecological Assessments/Sampling has been completed for
this site (Appendix I).
12.2.2.10 On -site and Off -site Land Use
The Weatherspoon Plant facility was commissioned in 1949 and the coal-
fired generating units were retired in 2011 and demolished in 2013. The
facility included three coal-fired steam units. Four combustion turbine
units were added in 1970 and 1971. The original coal-fired plant
structures have been demolished and are no longer present onsite.
This property, of approximately 1,015 acres, is dissected by several power
line rights -of -way, with substations onsite. There is an approximately 36
acre area with a decommissioned ash basin and an approximately 225 acre
cooling pond. The Lumber River divides the parcel in a
northwest/southeast direction, and flows south along the west side of the
former plant site and along the west side of the cooling pond. The area
bordered by the Lumber River and the western parcel line primarily
consists of forested/shrub wetlands.
Existing ecological studies publically available for the site were reviewed.
In 2014, a wetland delineation of the site was conducted by ESI (Appendix
I). The delineation identified six potentially -jurisdictional wetland areas
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and two potentially -jurisdictional tributary segments based on current
wetland and stream criteria established by the United States Army Corps
of Engineers (USACE) and North Carolina Division of Water Resources
(DWR).
12.2.2.11 Habitats within the Site Boundary
There are several potential habitats on the Site, including: bottomland
hardwood forest, wetlands, stream, and lake areas. For a detailed
description of habitats, see the Checklist for Ecological
Assessments/Sampling (Appendix I).
12.2.2.12 Description of Man-made Units that May Act as
Habitat
The 225 acre cooling pond may act as a man-made aquatic habitat.
12.2.2.13 Site Layout and Topography
A general site layout can be found in Figure 2-1, and the topography is
consistent with the typical parameters of the Southeastern Plains
Ecoregion (e.g., relatively flat with areas of moderate to steep terraces
leading down to the Lumber River).
12.2.2.14 Surface Water Runoff Pathways
The site has been graded to manage or divert runoff (e.g., stormwater)
using features such as swales, ditches, and culverts into nearby water
bodies (e.g., Lumber River, Jacob Creek,).
12.2.2.15 Soil Types
The Southeastern Coastal Plain Ecoregion is generally composed of
alluvium and deposits of sand, silt, and gravel (Griffith et al., 2002). For a
detailed description of site lithology, see Section 6 of this report.
12.2.2.16 Species Normally Expected to Use Site under
Relatively Unaffected Conditions
Wildlife expected to be in the area of the site would potentially include
those listed in in the Threatened and Endangered Species List (Table 12-
11), and also other game and non -game wildlife endemic to the Atlantic
Southern Loam Plains and Southeastern Floodplains and Low Terraces
ecoregions.
12.2.2.17 Species of Special Concern
The Lumber River supports two unique fish species designated of "special
concern" by the state of North Carolina. These species are the pinewoods
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darter (Etheostoma mariae) and the sandhills chub (Semotilus lumbee).
Further, the Georgia indigo bush (Amorpha georgiana), Florida goober grass
(Amphicarpum muhlenbergianum), woody goldenrod (Chrysoma
pauciflosculosa), Carolina sunrose (Crocanthemum carolinianum), limesink
dog -fennel (Eupatorium leptophyllum), dwarf-burhead (Helanthium
tenellum), peelbark St. John's wort (Hypericum fasciculatum), Boykin's
lobelia (Lobelia boykinii), Carolina bogmint (Macbridea caroliniana), Bosc's
bluet (Oldenlandia boscii), Michaux's sumac (Rhus michauxii), twisted -leaf
goldenrod (Solidago tortifolia), water dawnflower (Stylisma aquatica), wood
stork (Mycteria americans), red -cockaded woodpecker (Picoides borealis),
and the eastern diamondback rattlesnake (Crotalus adamanteus) are all
endangered species in this region. For a full list of threatened and
endangered species for Robeson County, see Table 12-11.
12.2.2.18 Nearby Critical and/or Sensitive Habitats
The Lumber River is a protected habitat, as it is designated as a state
'Natural and Scenic Water' (115 miles) and a 'National Wild and Scenic
Water' (81 miles). There are also wetland areas on -site that are listed in
the 2014 wetland delineation and the USFWS National Wetland Inventory
(Appendix I).
12.2.3 Fate and Transport Mechanisms
Fate and transport mechanisms at this site would include: erosion, seeps, storm
water runoff, and flow of surface water bodies.
Conceptual Exposure Model
Consistent with standard risk assessment practice for developing conceptual
models, separate Conceptual Exposure Models (CEMs) were developed for the
human health and ecological risk evaluations. A diagram (Figure 12-9) has been
prepared illustrating potential exposure pathways from the source area to
possible ecological receptors. The information in the CEM has been used in
conjunction with the analytical data collected as part of the CSA.
The ecological CEM is based on characterization of primary and secondary
sources and corresponding release mechanism sources, the COPC for each
affected environmental medium, and the migration and transport potential of
this constituent to potentially exposed populations (receptors). Source and
release mechanisms are identified for the site along with exposure media and
route. Potential receptors at the site are identified, with consideration of current
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and future potential land use scenarios. The individual components of the
ecological CEM are further described in the following sections.
Primary Constituent Source
The primary known source of site related constituents in groundwater at the site
is from historical activities conducted in the ash basin. The affected soil, surface
water, seeps, and sediment in the vicinity of the ash pond serves as a secondary
source.
Release and Transport Mechanisms
The potential constituent release and transport pathways at the site are as
follows:
1611 Infiltration to groundwater
161P Seeps to soil and surface water bodies
Secondary Release Mechanisms
The secondary potential constituent release and transport pathways at the site
are as follows:
41, Seeps from the beneath the ash pond
41 Storm water runoff
41, Infiltration/percolation
Exposure Medium, Pathways, and Exposure Routes
The exposure media that are potentially impacted include soil, surface water,
and sediments at the site. Groundwater does not present a complete exposure
pathway to ecological receptors.
Potentially complete exposure pathways evaluated for the Site include direct
contact to surface water, sediment, and soil, ingestion of surface water, incidental
ingestion of sediment and soil, and ingestion of prey or plants.
Completed exposure pathways are the means by which potential receptors come
into contact with Site -related COPCs. The completed exposure pathways under
current and future ecological receptor scenarios are identified (Figure 12-9) and
include:
h Algae/moss
Li Amphibians
01 Aquatic mammals
161, Aquatic vegetation
11 Fish
E10 Herbaceous plants
01 Insects/Arachnids
410 Reptiles
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OP Benthic invertebrates 0 Terrestrial mammals
OP Birds (including waterfowl) `1 Woody plants
12.2.4 Preliminary Exposure Estimate and Risk Calculation
Exposure estimates used in the screening level risk assessment are represented
by maximum concentrations of analytes detected in surface water, sediment, soil,
and groundwater samples. Hazard quotients (HQ) are defined as the ratio of
exposure estimates to ecological screening values (i.e., HQ = maximum analyte
concentration: ecological screening value). If exposure estimates exceeded an
ecological screening value (i.e., HQ>1), analytes were retained as a COPC for
further consideration at the site. COPCs are identified in the next section.
12.2.5 Comparison to Ecological Screening Levels
A comparison of constituent concentrations in various media to the following
risk -based screening levels has been made and is presented in Tables 12-12
through 12-14. These include species -specific screening levels based on
constituent concentrations that are Applicable or Relevant and Appropriate
Requirements (ARARs), designed for protection of ecological receptors from
specific exposure conditions that elicit toxic responses. These screening levels
are derived from risk -based calculations that set concentration limits using
USEPA and state standards for the following media:
41 Groundwater: Not applicable, as groundwater has no direct pathway to
ecological receptors
y Surface water: 2B Criteria for Aquatic Life (NCDENR 2015) and/or
USEPA National Recommended Water Quality Criteria for Aquatic Life
(USEPA 2013) and/or USEPA Region 4 Surface Water Quality Criteria -
Chronic (USEPA 2001)
[y Seeps: 2B Criteria for Aquatic Life (NCDENR 2015)and/or USEPA
National Recommended Water Quality Criteria for Aquatic Life (USEPA
2013) and/or USEPA Region 4 Surface Water Quality Criteria - Chronic
(USEPA 2001)
[y Soil: USEPA Region 4 Recommended Ecological Screening Values for Soil
(USEPA 2015)
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,610 Sediment: USEPA Region 4 Recommended Ecological Screening Values
for Soil (USEPA 2015) and/or USEPA Region 4 Effects Value — Sediment
(USEPA 2001)
Surface water, seep, soil, and sediment background sample data from prior
investigations are considered, as well as regional and national background data,
as available.
Groundwater
Ash pore water samples, as well as groundwater samples from the perimeter of
the site, were collected and analyzed (Tables 12-3,12-3 through 12-5) to aid in
determination of groundwater COPCs in the context of human health. However
as ash pore water/groundwater enters a surface water system, it is subject to a
different set of criteria (e.g., USEPA and 2B Aquatic Life Criteria instead of
USEPA and 2L Groundwater Standards). This can potentially cause some
constituents that were not considered human health COPCs in ash pore water
(i.e., groundwater) to be deemed ecological COPCs in surface waters and/or
seeps. Further, the manner in which (a) in situ geochemical and geophysical
conditions (e.g., oxidation-reduction potential, temperature, pH) vary spatially
and temporally and (b) resultant changes in water chemistry affect constituent
concentrations is unknown; therefore, surface water ecological COPCs cannot be
accurately and precisely determined at a suspected groundwater -to -surface
water interface. Subsequently, ash pore water and groundwater analytical
results were not subjected to a comparison to ecological (i.e., Aquatic Life) criteria
to discern origin of constituents and if designation of said constituents as COPCs
was warranted.
Surface Water
Surface water samples were evaluated in order to appropriately evaluate risk
exposure scenarios for potential ecological receptors. Surface water samples
consist of samples collected from the water column (below the water/air interface
when feasible) at selected sample locations at the Weatherspoon facility. Figure
2-1 displays the locations of the surface water sample locations.
As detailed Tables 12-12 and 12-15, the following inorganic constituents are
excluded from the list of ecological COPCs for surface water because either (a)
their maximum detected concentrations were less than their respective
comparison criteria, or (b) the constituents were not detected in the sample and
their detection limit values were less than all comparison criteria (2B Criteria for
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Aquatic Life and/or USEPA National Recommended Water Quality Criteria for
Aquatic Life and/or USEPA Region 4 Surface Water Quality Criteria — Chronic):
41
Antimony
0,
Arsenic
y
Boron
0
Chloride
h
Chromium
,' Copper
E0 Mercury
Nickel
Selenium
Aluminum will be retained as a COPC for further evaluation because the
maximum detected concentrations were greater than its respective comparison
criteria (2B Criteria for Aquatic Life and/or USEPA National Recommended
Water Quality Criteria for Aquatic Life and/or USEPA Region 4 Surface Water
Quality Criteria — Chronic). Total aluminum was detected in both surface water
samples at concentrations greater than USEPA National Recommended Water
Quality Criteria for Aquatic Life — Chronic (87 µg/L) and USEPA Region 4
Surface Water Quality Criteria — Chronic (87 µg/L).
The following inorganic constituents will be retained as COPCs for further
evaluation because their analytical method detection limits were greater than one
or more comparison criteria (2B Criteria for Aquatic Life and/or USEPA National
Recommended Water Quality Criteria for Aquatic Life and/or USEPA Region 4
Surface Water Quality Criteria — Chronic):
410 Beryllium
01 Cadmium
4j Lead
L' Sulfide
L' Zinc
There are several constituents for which analytical results were reported, yet
have no applicable comparison criteria. Therefore, these constituents may not
pose any appreciable risk; however, as a precaution, the following constituents in
surface water will be tentatively retained as COPCs for further evaluation
because they do not have a published 2B Criteria for Aquatic Life or USEPA
National Recommended Water Quality Criteria for Aquatic Life standard:
00
Barium
00
Cobalt
01
Manganese
4P
Methane
01
Molybdenum
h Nitrite/Nitrate
i' Strontium
L' Sulfate
1' Vanadium
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Calcium, magnesium, potassium, and sodium are omitted from the list of COPCs
as they have no applicable criteria, are ubiquitous in nature, and are considered
to be macrominerals with negligible toxicity to ecological receptors. These
constituents were quantified as a component of the water characterization
process.
Seeps
Seep samples were evaluated separately from surface water in order to
appropriately evaluate potential source and receptor risk exposure scenarios.
For this analysis, seeps in both the source area and the receiving area are
discussed. Seep data are compared to surface water criteria identified above.
Seep sample locations are shown on Figure 2-1.
As detailed on Tables 12-12 and 12-15, the following inorganic constituents are
excluded from the list of ecological COPCs for seeps because either (a) their
maximum detected concentrations were less than their respective comparison
criteria, or (b) the constituents were not detected in the sample and their
detection limit values are less than all comparison criteria (15A NCAC 2B
Criteria for Aquatic Life and/or USEPA National Recommended Water Quality
Criteria for Aquatic Life and/or USEPA Region 4 Surface Water Quality Criteria —
Chronic):
y
Antimony
y
Arsenic
t10
Chloride
y
Chromium
h Copper
tr Mercury
t� Nickel
0 Selenium
Aluminum, boron, iron, and zinc will be retained as COPCs for further
evaluation because the maximum detected concentrations were greater than their
respective comparison criteria (2B Criteria for Aquatic Life and/or USEPA
National Recommended Water Quality Criteria for Aquatic Life and/or USEPA
Region 4 Surface Water Quality Criteria - Chronic).
Total aluminum was detected in six seep samples at concentrations greater than
the USEPA National Recommended Water Quality Criteria for Aquatic Life -
Chronic (87 µg/L) and USEPA Region 4 Surface Water Quality Criteria - Chronic
(87 µg/L). Total aluminum was detected in one seep sample (5-10) at a
concentration greater than USEPA National Recommended Water Quality
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Criteria for Aquatic Life — Acute (750 µg/L). The S-10 location is confined within
the engineered structure and within the wastewater treatment system.
Dissolved boron was detected in seven seep samples at concentrations greater
than the USEPA Region 4 Surface Water Quality Criteria — Chronic (750 µg/L).
Dissolved iron was detected in three seep samples at concentrations greater than
USEPA National Recommended Water Quality Criteria for Aquatic Life —
Chronic (1000 µg/L) and USEPA Region 4 Surface Water Quality Criteria —
Chronic (1000 µg/L).
Dissolved zinc was detected in one seep sample (S-02) at a concentration greater
than the 15A NCAC 2B Criteria for Aquatic Life — Acute and Chronic (0.036
mg/L) and one seep sample (S-03A) at a concentration greater than USEPA
Region 4 Surface Water Quality Criteria — Chronic (0.059 mg/L).
The following constituents will be added to the list of uncertain COPCs for
further evaluation because detection limit values were greater than comparison
criteria:
y Beryllium
00 Cadmium
y Lead
h Sulfide
Zinc
The following will be added to the list of COPCs for further investigation since
they are not subject to published 2B Criteria for Aquatic Life or USEPA National
Recommended Water Quality Criteria for Aquatic Life:
0
Barium
167
Cobalt
0
Manganese
0
Methane
0
Molybdenum
y Nitrite/Nitrate
0 Strontium
h Sulfate
h Vanadium
Calcium, magnesium, potassium, and sodium are omitted from the list of COPCs
as they have no applicable criteria, are ubiquitous in nature, and are considered
to be macrominerals with negligible toxicity to ecological receptors. These
constituents were quantified as a component of the water characterization
process.
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Soils
Soil samples were evaluated separately from sediments in order to appropriately
evaluate risk exposure scenarios for potential ecological receptors. Surface soil
samples were collected from the top two feet of soil borings conducted at the
Weatherspoon facility (Figure 2-1).
The following inorganic constituents (Tables 12-13 and 12-15) are excluded from
the list of ecological COPCs for surface soils because their maximum detected
concentrations were less than their respective comparison criteria for soils, or (b)
the constituents were not detected in the sample and their detection limit values
were less than all comparison criteria (USEPA Region 4 Recommended
Ecological Screening Values for Soil):
tf
Antimony
l0
Lead
0
Barium
t,
Manganese
y
Beryllium
Mercury
0
Cadmium
1(7
Molybdenum
t,
Cobalt
0
Nickel
0
Copper
0
Zinc
The following constituents will be retained as COPCs for further evaluation
because their maximum detected concentrations in soil were greater than their
respective comparison criteria for soils (USEPA Region 4 Recommended
Ecological Screening Values for Soil):
00 Aluminum
1610 Arsenic
L, Boron
i, Chromium
C, Iron
0 Vanadium
Aluminum was detected in all soil samples at concentrations greater USEPA
Region 4 Recommended Ecological Screening Values for Soil (50 mg/kg).
Arsenic was detected in one sample (SB-04) at a concentration greater than
USEPA Region 4 Recommended Ecological Screening Values for Soil (10 mg/kg).
Boron was detected in three of the nine soil samples at concentrations greater
than USEPA Region 4 Recommended Ecological Screening Values for Soil (0.5
mg/kg). The remaining seven samples were non -detect, but the detection limits
for these analyses were greater than USEPA Region 4 Recommended Ecological
Screening Values for Soil (0.5 mg/kg).
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Chromium was detected in all soil samples at concentrations greater USEPA
Region 4 Recommended Ecological Screening Values for Soil (0.4 mg/kg).
Iron was detected in eight of the nine soil samples at concentrations greater than
USEPA Region 4 Recommended Ecological Screening Values for Soil (200
mg/kg). Sample BW-02 DUP, with a detected concentration of 178 mg/kg, did
not exceed; however, sample BW-02, with a detected concentration of 407 mg/kg,
did exceed. One of these results may be anomalous, or there may have been an
issue with sample collection. This sample location will be resampled to confirm
or refute iron as a COPC.
Vanadium was detected in seven of the nine soil samples at concentrations
greater than USEPA Region 4 Recommended Ecological Screening Values for
Soil (2 mg/kg).
Selenium and thallium will be added to the list of COPC uncertainties due to lack
of quantifiable analytical results. Selenium was detected below the quantitation
level (i.e., result was greater than the MDL, but less than reporting limit) in one
of the nine soil samples (3.7J mg/kg). This concentration exceeded USEPA
Region 4 Recommended Ecological Screening Values for Soil (0.81 mg/kg). The
remaining sample analyses had detection limits greater than this criterion.
Thallium was not detected in any soil samples. It will be added to the list of
COPC uncertainties because all sample analyses had detection limits greater than
USEPA Region 4 Recommended Ecological Screening Values for Soil (1 mg/kg).
The following constituents will be added to the list of COPC uncertainties since
they are not subject to published USEPA Region 4 Recommended Ecological
Screening Values for Soil:
1610 Chloride
161 Nitrate
41, Strontium
01 Sulfate
Calcium, magnesium, potassium, and sodium are omitted from the list of COPCs
as they have no applicable criteria, are ubiquitous in nature, and are considered
to be macrominerals with negligible toxicity to ecological receptors. These
constituents were quantified as a component of the soil characterization process.
Sediment
Sediment samples consist of samples collected at co -located surface water and
seep sample locations (Figure 12-3). As summarized on Tables 12-14 and 12-15,
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the following inorganic constituents are excluded from the list of ecological
COPCs for sediment because either (a) their maximum detected concentrations
were less than their respective comparison criteria (USEPA Region 4
Recommended Ecological Screening Values for Soil and/or USEPA Region 4
Effects Values for Sediment), or (b) the constituents were not detected in the
sample and detection limit values were less than both comparison criteria:
1610 Chromium L0 Nickel
'6' Copper
The following constituents will be retained as COPCs for further evaluation
because their maximum detected concentrations in soil were greater than their
respective comparison criteria for soils (USEPA Region 4 Recommended
Ecological Screening Values for Soil and/or USEPA Region 4 Effects Values for
Sediment):
y
Aluminum
1610
Arsenic
y
Barium
`'
Beryllium
`10
Boron
161P
Chromium
01
Copper
Iron
t, Lead
0 Manganese
0 Mercury
167 Molybdenum
0 Selenium
h Vanadium
[? Zinc
Aluminum was detected in all sediment samples at concentrations greater than
USEPA Region 4 Recommended Ecological Screening Values for Soil (50 mg/kg).
Arsenic was detected in seven of the 13 sediment samples, six of which exceed
USEPA Region 4 Recommended Ecological Screening Values for Soil (10 mg/kg)
and USEPA Region 4 Effects Values for Sediment (7.24 mg/kg), and one that
exceeded USEPA Region 4 Effects Values for Sediment (7.24 mg/kg). Arsenic
was not detected in any other samples, but due to dilution requirements during
analysis, the detection limits for five other sample analyses were greater one or
both screening criteria. Sample S-01 was non -detect, with a detection limit value
less than both criteria.
Barium was detected in three of the 13 sediment samples at concentrations
greater than USEPA Region 4 Recommended Ecological Screening Values for
Soil (165 mg/kg). All other samples did not exceed this criterion.
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Beryllium was detected in two of the 13 sediment samples at concentrations that
exceed USEPA Region 4 Recommended Ecological Screening Values for Soil (1.1
mg/kg). Beryllium was detected in four other samples (S-02, S-03B, S-09A, and S-
10) at levels at or below this criterion, and the remainder of the sample analyses
had detection limits greater than this criterion.
Boron was detected in six of the 13 sediment samples at concentrations that
exceed USEPA Region 4 Recommended Ecological Screening Values for Soil (0.5
mg/kg). Boron was not detected in any other samples, but due to dilution
requirements during analysis, the detection limits for the remaining sample
analyses were greater than this criterion.
Chromium was detected in 12 of the 13 sediment samples at concentrations that
exceed USEPA Region 4 Effects Values for Sediment (0.4 mg/kg). In the
remaining sample, the result was non -detect, but due to dilution requirements
during analysis, the detection limits for the remaining sample analyses were
greater than this criterion.
Copper was detected in two of the 13 samples at concentrations greater than
USEPA Region 4 Effects Values for Sediment (18.7 mg/kg).
Iron was detected in all sediment samples at concentrations greater than USEPA
Region 4 Recommended Ecological Screening Values for Soil (200 mg/kg).
Lead was detected in the duplicate sediment sample (S-07 DUP) for location S-07
at a concentration greater than USEPA Region 4 Effects Values for Sediment (30.2
mg/kg). Two sample locations (S-05 and SW-01) were non -detect for lead, but
due to dilution requirements during analysis, sample S-05 had a detection limit
greater than USEPA Region 4 Effects Values for Sediment (30.2 mg/kg) and
sample SW-01 had a detection limit greater than USEPA Region 4 Recommended
Ecological Screening Values for Soil (50 mg/kg). The S-07 DUP result may be
anomalous, as the other sample at the same location (S-07) was non -detect for
lead.
Manganese was detected in five samples that exceed USEPA Region 4
Recommended Ecological Screening Values for Soil (100 mg/kg).
Mercury was detected in two samples that exceed USEPA Region 4
Recommended Ecological Screening Values for Soil (0.1 mg/kg) and one sample
that exceeds both USEPA Region 4 Recommended Ecological Screening Values
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for soil (0.1 mg/kg) and USEPA Region 4 Effects Values for Sediment (0.13
mg/kg).
Molybdenum was detected in eight of the 13 sediment samples at concentrations
that exceed USEPA Region 4 Recommended Ecological Screening Values for Soil
(2 mg/kg). Molybdenum was not detected in any other samples, but due to
dilution requirements during analysis, the detection limits for the remaining
sample analyses were greater than this criterion.
Selenium was detected in two of the 13 sediment samples, both of which
exceeded USEPA Region 4 Recommended Ecological Screening Values for Soil
(0.81 mg/kg). All other sample analyses were non -detect for selenium, but due to
dilution requirements during analysis, these detection limits were greater than
this criterion.
Vanadium was detected in ten of the 13 sediment samples at concentrations
exceeding USEPA Region 4 Recommended Ecological Screening Values for Soil
(2 mg/kg). The remaining samples were non -detect for vanadium, but due to
dilution requirements during analysis, these detection limits were greater than
this criterion.
Zinc was detected in two of the 13 sediment samples (S-15 and S-20) at
concentrations exceeding the USEPA Region 4 Recommended Ecological
Screening Values for Soil (50 mg/kg).
Antimony, cadmium, cobalt, and thallium will be added to the list of COPC
uncertainties due to lack of quantifiable detections. Antimony was not detected
in any samples, but detection limits for all sample analyses were greater than
USEPA Region 4 Recommended Ecological Screening Values for Soil (3.5 mg/kg)
and USEPA Region 4 Effects Values for Sediment (2 mg/kg).
The following constituents will be retained as sediment uncertain COPCs for
further evaluation because they do not have published USEPA Region 4
Recommended Ecological Screening Values for Soil:
1610 Chloride
`P Nitrate
41, Strontium
01 Sulfate
Calcium, magnesium, potassium, and sodium are omitted from the list of COPCs
as they have no applicable criteria, are ubiquitous in nature, and are considered
to be macrominerals with negligible toxicity to ecological receptors. These
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constituents were quantified as a component of the sediment characterization
process.
Ecological COPCs retained for each medium are summarized in Table 12-15.
Figures 12-10,12-11, and 12-12 show sample locations with COPCs.
12.3 Uncertainty and Data Gaps
This screening level risk assessment was conducted as part of the groundwater
assessment under the primary assumption that sampling locations, sample media, and
analytes, as defined in the Work Plan, were sufficient for screening human health and
ecological risks at the Weatherspoon site. All proposed samples were collected, and
analyses completed as planned. However, due to analytical constraints (e.g., method
detection limits and dilution effects during sample preparation for analysis) or
anomalous results, there are numerous constituents for which (a) detection limits were
greater than one or more screening criteria, (b) reported results were greater than
detection limits, but less than reporting limits (i.e., estimated), or (c) reported results
seemed anomalous (e.g., dissolved metal concentration greater than total metal
concentration). This presents the possibility that the actual concentration of a given
constituent might exceed one or more screening criteria while not being detected by
instrumentation, result was incorrectly estimated, or some unknown error occurred
which interfered with accurate reporting. For this reason, these particular instances,
regardless of number of occurrences (i.e., if an analyte's detection limit for a specific
sample were greater than a screening criterion in at least one instance), have been noted
and affected constituents have been flagged. The constituents flagged for these reasons
include: aluminum, arsenic, barium, beryllium, boron, cadmium, chloride, chromium,
cobalt, iron, lead, manganese, molybdenum, nitrite/nitrate, selenium, strontium, sulfate,
sulfide, thallium, vanadium, and zinc. It should be noted that flagging for these reasons
does not preclude any constituent from COPC status if any data show definitive
evidence, with sufficient detection limits, that levels exceed screening criteria.
12.4 Scientific/Management Decision Point
Based on the results of the human health and ecological screen, media -specific
remediation standards may be calculated in accordance with the Eligibility
Requirements and Procedures for Risk -Based Remediation of Industrial Sites Pursuant
to N.C.G.S. §§ 130A-310.65 to 310.77 after additional sample collection or as part of a
Corrective Action Plan.
12.5 Screening Level Risk Assessment Summary
The Screening Level Human Health and Ecological Risk Assessments conducted as part
of this groundwater assessment resulted in the identification of the following COPCs
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(in groundwater, surface water, seeps, sediment, and/or soil) at the W.H. Weatherspoon
Power Plant: pH, aluminum, arsenic, barium, beryllium, boron, chromium, iron, lead,
manganese, mercury, molybdenum, selenium, TDS, vanadium, and zinc (Tables 12-10
and 12-15). Calcium, magnesium, potassium, and sodium are omitted from the list of
COPCs as they have no applicable criteria, are ubiquitous in nature, and are considered
to be macrominerals with negligible toxicity to human and ecological receptors. These
constituents were quantified as a component of the water, soil, and sediment
characterization processes. To summarize: the potential exists for exposure of the
COPCs listed above to human or ecological receptors, as identified in the CEMs
(Figures 12-1 and 12-9), at levels exceeding those listed in one or more screening
criteria.
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TABLE 6-5 Revision 1
JUNE 2015 WATER LEVEL MEASUREMENTS
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Well ID
Date
Time
Depth to
Water
Water Level
Elevation
Center of
Screen
Vertical
Gradient'
Direction'
(TOC)
(feet MSL)
(Feet MSL)
(foot per foot)
BW-01
6/5/2015
0810
8.02
134.80
-
CW-01
6/5/2015
0903
4.35
112.49
-
CW-02
6/5/2015
0903
4.35
109.06
-
CW-03
1 6/5/2015
1044
6.67
112.41
-
MW-01
6/5/2015
0822
17.88
131.31
-
MW-02
6/5/2015
1017
3.04
112.18
-
MW-03
6/5/2015
1017
3.77
111.75
-
MW-04
6/4/2015
1543
4.85
109.05
-
MW-05
6/4/2015
1544
4.33
108.99
-
-
MW-06
6/4/2015
1648
5.26
106.76
-
-
MW-07
6/4/2015
1648
5.34
107.27
-
-
MW-081
6/4/2015
1447
29.38
131.92
102.94
-
-
MW-08D
6/4/2015
1451
52.31
109.34
68.20
0.6500
Downward
MW-33S
6/4/2015
1622
7.72
125.12
119.90
-
-
MW-33I
6/4/2015
1623
6.87
125.85
84.30
0.0205
Upward
MW-33D
6/4/2015
1624
21.50
111.22
58.70
0.5715
Downward
MW-44S
6/4/2015
1511
19.83
134.77
135.50
-
-
MW-44SA
6/4/2015
1513
26.23
128.34
111.81
-
MW-44I
6/4/2015
1510
23.69
130.71
100.50
-
-
MW-44D
6/4/2015
1514
47.16
106.78
69.30
0.7670
Downward
MW-49I
6/4/2015
16.29
23.10
122.47
95.98
-
-
MW-49D
6/4/2015
1630
36.95
108.45
63.80
0.4357
Downward
MW-52
6/4/2015
1554
2.91
108.94
-
-
MW-53I
6/5/2015
0904
4.37
112.65
87.77
-
-
MW-53D
6/5/2015
0905
10.04
106.98
62.00
0.2200
Downward
MW-54D
6/4/2015
1648
11.14
102.57
-
-
MW-55I
6/4/2015
1652
3.27
108.61
90.88
-
-
MW-55D
6/5/2015
1127
8.37
103.49
44.36
0.1101
Downward
PZ-01
6/4/2015
1520
4.57
126.06
-
-
PZ-02
6/4/2015
1528
3.95
122.51
-
-
PZ-03
6/4/2015
1537
5.59
116.92
-
-
ABMW-01
6/4/2015
1348
20.10
134.51
-
-
AW-01S
6/4/2015
1647
12.99
118.65
111.80
-
-
AW-0IJ2
6/4/2015
1648
24.75
115.82
85.08
0.1059
Downward
AW-01D2
6/4/2015
1649
15.79
108.68
62.32
0.3137
Downward
AW-02S
6/4/2015
1637
12.57
115.96
106.37
-
-
AW-02I
6/4/2015
1638
24.75
103.51
84.71
0.5748
Downward
AW-02D
6/4/2015
1639
21.70
106.62
69.77
0.2082
Upward
AW-03S
6/4/2015
1139
5.12
107.75
101.42
-
-
AW-03I
6/4/2015
1323
5.30
107.90
94.66
0.0222
Upward
AW-03D
6/4/2015
1434
6.04
107.02
65.90
0.0306
Downward
BW-02S
6/5/2015
0835
9.88
130.45
119.43
-
-
BW-02I
6/5/2015
0836
10.07
129.77
83.34
0.0188
Downward
BW-02D
6/5/2015
0837
28.66
111.34
67.80
1.1860
Downward
BW-03S
6/5/2015
0840
5.70
104.57
98.66
-
-
BW-03I
6/5/2015
0841
5.36
104.68
92.59
0.0181
Upward
BW-03D
6/5/2015
0842
2.43
107.47
64.19
0.0982
Upward
OW-01
6/4/2015
1633
Dry
<134.70
-
-
OW-03
6/4/2015
1638
Dry
<135.20
-
OW-08
6/4/2015
1645
Dry
<137.9
-
OW-09
6/4/2015
1622
18.49
127.06
-
0B-21
6/4/2015
1557
4.87
106.89
-
613-02
6/4/2015
1617
2.88
108.97
-
Created by: VTV TCP Checked by: CMS RLP
'Vertical gradients calculated for Lower Yorktown and Pee Dee wells only
WWater levels for these wells changed because field data from AW-02I and AW-02S appear to have been transposed
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Tables\Report Tables 6_2015\Table 6-5 Water Level
Measurements -June 2015R1.xlsxTable 6-5 Water Level Measurements -June 2015R1.xlsx

TABLE 7-7
ASH PORE WATER ANALYTICAL RESULTS
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
PH
Water
Level
Temp
Spec
Cond
DO
ORP
Eh
Turbidity
Ferrous
Iron
Alkalinity
Aluminum
Aluminum
Antimony
Antimony
Arsenic
Arsenic
Barium
Barium
Beryllium
Beryllium
Bi-
carbonate
Alkalinity
Boron
Boron
Cadmium
Cadmium
Calcium
Carbonate
Alkalinity
Chloride
Chromium
Chromium
Chromium
(VI)
Cobalt
Cobalt
Copper
Copper
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
S.U.
ft
Deg C
umhros/
mg/I
mV
mV
NTU
mg/I
mg/I
ug/I
ug/I
ug/I
ug/l
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
mg/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
ISA NCAC 02L Standard
6.5-8.5
NE
NE
NE
NE
NE
NE
NE
NE
NE*
NE
NE
NE
1 *
NE
SO
NE
700
NE
4 *
NE
NE
700
NE
2
NE
NE
250
NE
10
NE
NE
1 *
NE
1
Sample ID
sample
Collection Date
Field Parameters
Analytical Results
ABMW-01
03/05/2015
7.0
17.41
21
1063
0.14
-141
64
13.7
6.5
230
23
602
<1
<1
1030
1300
291
307
<1
<1
220
6050
6220
<1
<1
130
<10
53
<1
1.22
NS
<1
<1
<0.001
0.00642
ABMW-01
06/04/2015
6.9
20.10
21
1109
0.49
-239
-34
4.84
3
240
27
52
<1
<1
1520
1710
562
611
<1
<1
240
5560
5800
<1
<1
142
<10
52
<1
<1
NS
<1
<1
<0.001
<0.001
ABMW-01
09/2/2015
NM
NM
NM
NM
NM
NM
NM
NM
NM
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
0.005
NS
NS
NS
NS
MW-44S
06/08/2015
6.9
20.24
26
1866
0.4
-237
-32
3.51
5.5
880
53
48
<1
<1
894
933
1400
1420
<1
<1
880
2830
2620
<1
<1
128
<10
26
<1
<1
NS
2.78
3.35
<0.001
<0.001
MW-44S
09/2/2015
NM
NM
NM
NM
NM
NM
NM
NM
NM
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
0.147
NS
NS
NS
NS
PZ-01
06/09/2015
6.3
4.70
21
213
0.2
-14
191
0.9
2.5
75
5
23
<1
<1
6.13
6.77
40
41
<1
<1
75
473
474
<1
<1
27.4
<10
9.2
<1
<1
NS
<1
<1
<0.001
<0.001
PZ-02
06/09/2015
6.4
3.97
20
738
0.48
-97
108
11.4
<0.5
180
8
450
<1
<1
431
652
97
100
<1
<1
170
2320
2310
<1
<1
86.4
<10
28
<1
<1
NS
1.39
1.62
<0.001
<0.001
PZ-03
06/09/2015
6.5
6.20
23
1186
1
-21
184
9.04
3.5
240
8
321
<1
<1
1.69
3.58
44
44
<1
<1
240
3570
3290
<1
<1
78.8
<10
65
<1
<1
NS
<1
<1
<0.001
<0.001
S-01
04/23/2015
6.0
NM
16
2435
3.72
17
NM
14
NM
18
156
416
<1
<1
1.17
2.5
28
30
<1
<1
18
116
114
<1
<1
7.47
<10
10
<1
<1
NS
<1
<1
<0.001
<0.001
S-02
04/23/2015
6.9
NM
16
13099
0.5
-225
NM
OOR
NM
98
14
137
<1
<1
28.7
204
111
122
<1
<1
98
1030
985
<1
<1
58.6
<10
15
<1
<1
NS
<1
<1
<0.001
<0.001
S-03
04/24/2015
6.5
NM
12
686
4.37
-9
NM
2.87
NM
190
<5
14
<1
<1
68.5
174
98
101
<1
<1
190
1630
1620
<1
<1
85.3
<10
27
<1
<1
NS
<1
<1
<0.001
<0.001
S-03A
04/24/2015
7.4
NM
13
13
0.25
-264
NM
4.31
NM
180
<5
9
<1
<1
88.9
116
94
96
<1
<1
I80
1430
1460
<1
<1
77.8
<10
25
<1
<1
NS
<1
<1
<0.001
<0.001
S-03B
04/24/2015
7.3
NM
13
999
0.47
-278
NM
6.39
NM
210
<5
41
<1
<1
86.7
1530
97
121
<1
<1
210
1740
1850
<1
<1
92.6
<10
28
<1
<1
NS
<1
<1
<0.001
<0.001
S-05
04/23/2015
6.8
NM
16E24
5.9
-34
NM
1.47
NM
220
<5
13
<1
<1
4.08
14.5
91
93
<1
<1
220
1910
1900
<1
<1
90.7
<10
32
<1
<1
NS
<1
<1
<0.001
<0.001
S-09A
04/23/2015
6.5
NM
177.02
-51
NM
21.3
NM
41
76
458
<1
<1
1.14
3.16
46
48
<1
<1
41
332
327
<1
<1
23.9
<.10
13
<1
<1
NS
1.73
2.04
<0.001
<0.001
S-10
04/23/2015
6.9
NM
27
0.97
-111
NM
OOR
NM
350
<5
66000
<1
<1
6.63
230
170
1950
<1
<10
350
2630
2990
<1
1.27
270
<10
43
<1
67.4
NS
<1
32.1
<0.001
O.lfi6
Prepared by: BER/SRW Checked by: RLP
Notes:
n - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013
Deg C = Degree Celsius
S.U. = Standard Unit
DO = Dissolved Oxygen
ft = feet
ug/I = microgram per liter
ORP = Oxidation Reduction Potential
mg/I = milligrams per liter
umhos/cm = micro siemens per centimeter
DIS = Dissolved
my = millivolts
Spec Cord = Specific Conductance
TOT = Total
NE = Not established
NM = Not Measured
OOR = Out of Range
NTU = nephelometric turbidity unit
Temp = Temperature
NS = Not sampled
< = concentration not detected at or above
the reporting limit.
* - Interim Maximum Allowable Concentrations
(IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 7-7 2015 Ash Pore Water Analytical Results Revl.xlsx Page 1 of 2

TABLE 7-7
ASH PORE WATER ANALYTICAL RESULTS
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Iron
Iron
Lead
Lead
Magnesium
Manganese
Manganese
Mercury
Mercury
Methane
Molybdenum
Molybdenum
Nickel
Nickel
Nitrate
(as N)
Potassium
Selenium
Selenium
Sodium
Strontium
Strontium
Sulfate
Sulfide
Thallium
Thallium
Total
Dissolved
Solids
Total
Organic
Carbon
Total
Suspended
Solids
Vanadium
Vanadium
Zinc
Zinc
CIS
TOT
DIS
TOT
TOT
CIS
TOT
DIS
TOT
CIS
TOT
DIS
TOT
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
CIS
TOT
Reporting Units
ug/I
ug/I
ug/I
ug/I
mg/I
ug/l
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg-N/L
mg/I
ug/I
ug/I
mg/I
mg/l
mg/I
mg/I
mg/I
ug/I
ug/I
mg/l
mg/I
mg/I
ug/I
ug/I
mg/l
mg/I
ISA NCAC 02L Standard
NE
300
NE
15
NE
NE
50
NE
1
NE
NE
NE
NE
100
10
NE
NE
20
NE
NE
NE
250
NE
NE
0.2 *
500
NE
NE
NE
0.3 *
NE
1
Sample IC
sample
Collection Date
Analytical Results
ABMW-01
03/05/2015
11900
12500
<1
<1
24.8
284
289
<0.05
<0.05
660
255
270
2.05
2.53
0.012
15.5
<1
<1
50
5.19
5.28
210
<2
<0.2
<0.2
660
3.9
<5
0.455
1.99
<0.005
0.005
ABMW-01
06/04/2015
13300
13400
<1
<1
26.2
388
405
<0.05
<0.05
1500
212
243
2.95
3.34
<0.01
18.5
<1
<1
46.4
6.01
6.41
190
<0.1
<0.2
<0.2
670
4.1
30
0.778
0.885
<0.005
<0.005
ABMW-01
09/2/2015
MW-44S
06/08/2015
26500
30800
<1
<1
60.7
760
760
<0.05
<0.05
6900
17.3
20.3
10.4
11
0.044
145
<1
<1
120
13.7
13.6
0.22
<0.1
<0.2
<0.2
1100
1.5
6
6.21
9.24
<0.005
<0.005
MW-44S
09/2/2015
PZ-01
06/09/2015
2600
2950
<1
<1
4
180
188
<0.05
<0.05
38
3.03
3.34
<1
<1
<0.01
5.04
<1
<1
5.34
0.991
0.997
26
<0.1
<0.2
<0.2
140
0.732
<5
<0.3
<0.3
<0.005
<0.005
PZ-02
06/09/2015
4000
5780
<1
<1
10.8
365
377
<0.05
<0.05
280
67.6
68.9
9.99
11.3
0.108
13
<1
<1
47
3.52
3.56
190
<0.2
<0.2
<0.2
470
2.3
9
<0.3
0.449
<0.005
0.005
PZ-03
06/09/2015
4110
4810
<1
<1
12.2
28
28
<0.05
<0.05
<10
2.66
3.65
22.3
20.9
0.056
12.9
<1
<1
121
2.77
2.52
230
<0.1
<0.2
<0.2
690
4.8
9
<0.3
0.95
0.007
0.014
S-01
04/23/2015
767
2900
<1
<1
1.99
49
57
NM
0.0055
49
<1
<1
1.25
1.45
0.036
1.82
<1
<1
7.68
0.171
0.177
9.6
<0.1
<0.2
<0.2
91
8.7
28
0.378
1.58
0.009
0.007
S-02
04/23/2015
10700
31800
<1
<1
9.77
269
280
NM
<0.005
47
4.89
6.25
<1
<1
0.012
8.58
<1
<1
18.5
2.62
2.46
100
<0.1
<0.2
<0.2
330
6.2
100
<0.3
0.58
0.047
0.138
S-03
04/24/2015
334
1430
<1
<1
13.3
468
527
NM
<0.0005
11
28.7
28.9
15
17.5
0.232
10.4
<1
<1
34.8
3.45
3.44
120
<0.1
<0.2
<0.2
430
4.1
6
1.42
1.62
<0.005
0.009
S-03A
04/24/2015
807
1170
<1
<1
12.2
722
712
NM
<0.0005
48
18.9
20.7
14.6
17.3
0.217
10.4
<1
<1
32.5
3.1
3.16
120
<0.1
<0.2
<0.2
420
4
<5
1.6
1.92
0.089
0.04
S-03B
04/24/2015
453
13200
<1
<1
14.2
351
401
NM
<0.0005
25
41.2
64
15.4
16.3
0.24
11.3
<1
<1
38.5
3.57
3.75
120
<0.1
<0.2
<0.2
440
4
<5
1.11
1.85
<0.005
<0.005
S-05
04/23/2015
182
975
<1
<1
13.9
32
44
NM
<0.0005
<10
50.5
52.1
12.7
14.2
0.194
11
<1
<1
43.1
3.58
3.62
120
<0.1
<0.2
<0.2
450
4.1
<5
<0.3
0.618
<0.005
<0.005
S-09A
04/23/2015
1950
4600
<1
<1
4.42
174
177
NM
0.00287
14
3.3
3.72
3.27
3.77
0.066
4.04
<1
<1
12
0.659
0.651
50
<0.1
<0.2
<0.2
170
7.3
13
<0.3
1.43
0.012
0.011
S-10
04/23/2015
24
1610000
<1
161
21.2
254
2600
NM
<0.005
120
21.8
33.7
9.28
71.6
0.01
20.7
<1
4.57
43.8
5.43
10.8
130
<0.1
<0.2
2.82
550
24
17000
<0.3
43.5
<0.005
0.411
Prepared by: BER/SRW Checked by: KLS
Notes:
n - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013
Deg C = Degree Celsius
S.U. = Standard Unit
DO = Dissolved Oxygen
ft = feet
ug/I = microgram per liter
ORP = Oxidation Reduction Potential
mg/I = milligrams per liter
umhos/cm = micro siemens per centimeter
DIS = Dissolved
my = millivolts
Spec Cord = Specific Conductance
TOT = Total
NE = Not established
NM = Not Measured
OOR = Out of Range
NTU = nephelometric turbidity unit
Temp = Temperature
< = concentration not detected at or above
the reporting limit.
* - Interim Maximum Allowable Concentrations
(IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 7-7 2015 Ash Pore Water Analytical Results Revl.xlsx Page 2 of 2

TABLE 8-2 Revision i
MINERALOGY OF SOILS
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Sand
Silt
Clay
Quartz
Mullite
Hematite
Magnesioferrite
Muscovite
Feldspar
Illite
Chlorite
Smectite
Kaolinite
Lepidocrocite
Pyrite
Sample ID
11
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
AW-01(10'-14')
93.89
0.88
5.23
94.4
<0.1
<0.1
<0.1
0.2
0.1
2.6
ND
ND
1.6
1.0
ND
AW-01(58'-59')
81.90
10.94
7.16
22.8
<0.1
<0.1
<0.1
43.8
22.0
1.9
ND
ND
9.6
ND
ND
AW-01(61'-62')
51.15
35.87
12.98
44.3
<0.1
<0.1
2.2
29.8
<0.1
3.4
ND
1.2
19.2
ND
ND
AW-02(5'-6')
93.54
2.92
3.54
97.2
<0.1
<0.1
<0.1
<0.1
<0.1
ND
0.6
ND
2.3
ND
ND
AW-02(43'-46')
85.05
5.83
9.12
71.1
<0.1
<0.1
0.1
6.0
11.0
0.9
ND
0.8
9.2
ND
ND
AW-03 (35-36)
83.28
12.46
4.26
60.2
ND
ND
ND
31.2
0.9
ND
ND
ND
7.7
ND
ND
BW-02 (11-12)
89.52
4.08
6.40
93.6
ND
ND
ND
N
N
ND
ND
ND
6.4
ND
ND
BW-02 (66)
75.73
14.99
9.28
23.2
ND
ND
ND
39.1
24.9
ND
0.8
ND
12.1
ND
ND
BW-02 (55-56)
82.75
10.85
6.40
36.9
ND
ND
ND
16.1
34.1
ND
ND
ND
12.1
ND
0.9
Prepared by: RBI Checked by: MST
Notes:
pct = percent
ND = not detected
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 8-2 Mineralogy of Soils Revl.xlsx Page 1 of 1

TABLE 8-5 Revision 1
WHOLE ROCK METAL OXIDE ANALYSIS OF SOIL
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Sample ID
A1203
pct
Ba0
pct
C
PC
Ca0
Pct
0-203
PC
Fe203
PC
K20
PC
MgO
pct
MnO
PC
Na20
pct
P205
Pct
S102
PC
SrO
pct
Ti02
PC
V205
pct
LOI
pct
AW-01(10-14)
1.67
0.07
0.11
0.70
0.12
1.76
0.13
0.07
0.01
0.02
0.09
96.40
<0.01
0.12
<0.01
0.49
AW-01(58-59)
8.91
0.40
0.10
0.44
0.04
0.95
0.98
0.18
0.01
0.21
0.02
80.16
<0.01
0.50
<0.01
2.58
AW-01(61-62)
16.23
0.87
0.12
0.79
0.01
1.60
0.56
0.40
<0.01
0.06
0.02
74.26
<0.01
0.68
0.01
6.37
AW-02(5-6)
1.39
0.02
0.15
0.34
0.05
0.83
0.04
0.06
<0.01
0.01
0.02
95.42
<0.01
0.54
<0.01
0.68
AW-02(43-46)
9.39
0.36
0.07
0.53
0.07
1.25
1.02
0.18
0.01
0.16
0.02
83.12
<0.01
0.31
<0.01
2.72
AW-03 (35-36)
5.87
0.02
ND
0.46
<0.01
3.20
0.70
0.13
0.02
0.07
0.03
87.41
<0.01
0.23
<0.01
1.36
BW-02 (66)
9.47
0.04
ND
0.51
<0.01
2.84
1.14
0.18
0.02
0.12
0.04
80.72
<0.01
0.25
<0.01
2.03
BW-02 (11-12)
1.72
<0.01
ND
0.24
<0.01
3.82
0.02
0.05
0.03
0.02
0.02
93.89
<0.01
0.23
<0.01
0.20
BW-02 (55-56)
6.55
0.04
ND
0.38
<0.01
3.48
1.21
0.14
0.02
0.12
0.03
88.04
<0.01
0.21
<0.01
1.63
Prepared by: RBI Checked by: RLP
Notes:
pct - percent
LOI = loss on ignition
< = concentration not detected at or above the reporting limit.
ND = Not detected
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 8-5 Whole Rock Metal Oxide Analysis of Soil Rl.xlsx Page 1 of 1

TABLE 8-6 Revision 1
WHOLE ROCK ELEMENTAL ANALYSIS OF SOIL
W. H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Sample ID
As
mg/kg
Cd
mg/kg
Ce
mg/kg
Co
mg/kg
Cu
mg/kg
Ga
mg/kg
La
mg/kg
Mo
mg/kg
Ni
mg/kg
Pb
mg/kg
S
mg/kg
Se
mg/kg
Sn
mg/kg
W
mg/kg
Zn
mg/kg
Zr
mg/kg
AW-01(10-14)
10
<0.2
14
4
10
3
8
5
22
10
<20
3
4
<1
<1
11
AW-01(58-59)
<1
<0.2
33
9
10
9
15
2
13
26
<20
<1
3
<1
17
10
AW-01(61-62)
<1
<0.2
4
21
19
16
2
<1
24
26
<20
<1
<1
<1
40
10
AW-02(5-6)
<1
<0.2
13
9
6
3
6
2
10
10
<20
<1
<1
<1
4
19
AW-02(43-46)
3
<0.2
42
17
7
9
18
2
23
27
<20
2
7
<1
11
8
AW-03(35-36)
2
<0.2
26
58
16
3
19
2
415
24
<1
<1
1
<1
18
8
BW-02 (66)
1
<0.2
19
3
25
7
34
2
22
22
<1
<1
1
<1
19
7
BW-02(11-12)
1
<0.2
7
3
23
<2
5
4
15
10
<1
<1
2
<1
109
20
BW-02 (55-56)
L 3
<0.2
24
5
13
4
25
2
96
18
<1
<1
<1
<1
20
8
Prepared by: RBI Checked by: RLP
Notes•
mg/kg = milligrams per kilogram
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 8-6 Whole Rock Elemental Analysis of Soil R1.xlsx Page 1 of 1

TABLE 9-2
SEEP ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, LLC., LUMBERTON, NC
Spec
Aluminum
Antimony
Arsenic
Barium
Beryllium
Bi-
Boron
Cadmium*
Calcium
Carbonate
Chromium*
Cobalt
Copper*
Iron
Analytical Parameter
pH
Temp
Cond
DO
ORP
Turbidity
Alkalinity
carbonate
Alkalinity
Alkalinity
Chloride
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
I TOT
DIS
I TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
S.U.
Deg C
u
mg/I
mV
NTU
mg/I
ug/I
ug/I
ug/l
ug/I
ug/I
ug/l
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/1
mg/1
ug/1
ug/I
ug/1
ug/I
mg/I
mg/I
ug/I
ug/I
chaos/
15A NCAC 02L Standard
6.5-8.5
NE
NE
NE
NE
NE
NE
NE
NE
NE
1`
NE
10
NE
700
NE
4'
NE
NE
700
NE
2
NE
NE
250
NE
10
NE
1`
NE
1
NE
300
SSA NCAC 02B Criteria
6-9*
NE
NE
as'
NE
25r
NE
NE
NE
NE
NE
ISO
NE
NE
NE
6.5
NE
NE
NE
NE
0.15
NE
NE
NE
230
11**
NE
NE
NE
0.0027
NE
NE
NE
Sample ID
Sample Collection
Field Parameters
Analytical Results
Date
S-07
04/23/2015
6.3
18
962
7.5
48
3.02
<10
27
61
<1
<1
<1
<1
46
47
<1
<1
<10
<50
<50
<1
<1
2.22
<10
3.6
<1
<1
<1
<1
<0.001
<0.001
194
617
S-07 DUP
04/23/2015
6.3
18
962
7.5
48
3.02
<10
25
63
<1
<1
<1
1.12
46
47
<1
<1
<10
<50
<50
<1
<1
2.26
<10
3.7
<1
<1
<1
<1
<0.001
<0.001
167
620
S-15
04/23/2015
7.2
18
1342
2.7
-180
38.4
240
<5
113
<1
<1
2.05
5.31
121
123
<1
<1
240
1680
1650
<1
<1
87.9
<10
28
<1
<1
<1
<1
<0.001
<0.001
113
1270
S-20
04/22/2015
5.7
18
943
1
17
3.6
31
186
252
<1
<1
<1
<1
41
43
<1
<1
21
<50
<50
<1
<1
10.6
<10
15
<1
<1
<1
<1
<0.001
<0.001
1300
1640
Notes: Prepared by: BER/SRW/RAG Checked by: RLP
171 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 2013.
- Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Criteria, April 2015.
-Shaded concentration indicates MDL exceedance of the 15A NCAC 02L Standard, Appendix 2, April 2013.
O- Shaded concentration indicates MDL exceedance of the 15A NCAC 02B Criteria, April 2015.
* - Dissolved concentration is hardness -dependent - criterion is given in terms of hardness s 25 mg/L.
** - Chromium criterion for 15A NCAC 02B is for Cr(VI); results are given as dissolved chromium
' - Narrative Standard
` - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013.
Deg C = Degree Celsius NTU = nephelometric turbidity unit Temp = Temperature DUP= Duplicate
mg/I = milligrams per liter S.U. = Standard Unit ORP = Oxidation Reduction Potential mg-N/L= milligrams of nitrogen per liter
my = millivolts Spec Cord = Specific Conductance DIS = Dissolved
NE = Not established ug/I = microgram per liter TOT = Total
NM = Not Measured umhos/cm = micro siemens per centimeter DO = Dissolved Oxygen
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2016\Tables\Table 9-2 Seep Analytical Results REVI Page 1 of 2

TABLE 9-2
SEEP ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, LLC., LUMBERTON, NC
Analytical Parameter
Lead*
Magnesium
Manganese
Mercury
Methane
Molybdenum
Nickel*
Nitrate +
Nitrite
Potassium
Selenium
Sodium
Strontium
Sulfate
Sulfide
Thallium
Total
Dissolved
Solids
Total
Organic
Carbon
Total
Suspended
Solids
Vanadium
Zinc*
DIS
TOT
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
ug/1
ug/I
mg/1
ug/I
ug/I
ng/L
ug/I
ug/I
ug/I
ug/l
ug/l
mg-N/L
mg/I
ug/1
ug/I
mg/1
mg/I
mg/I
mg/I
mg/I
ug/I
ug/I
mg/I
mg/I
mg/I
ug/I
ug/l
mg/1
mg/1
SSA NCAC 02L Standard
NE
15
NE
NE
50
1000
NE
NE
NE
NE
100
10
NE
NE
20
NE
NE
NE
250
NE
NE
0.2'
500
NE
NE
NE
0.3'
NE
1
15A NCAC 02B Criteria
0.54
NE
NE
NE
NE
12
NE
NE
NE
16
NE
NE
NE
NE
5
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
0.036
NE
Sample ID
Sample
Collection
Date
Analytical Results
S-07
04/23/2015
<1
<1
1.04
34
35
1.66
12
<1
<1
<1
<1
0.069
2.42
<1
<1
2.02
0.04
0.04
5.1
<0.1
<0.2
<0.2
33
2.7
13
<0.3
<0.3
0.024
0.006
S-07 DUP
04/23/2015
<1
<1
1.04
34
35
1.67
14
<1
<1
<1
<1
0.177
2.41
<1
<1
2.33
0.04
0.039
5.1
<0.1
<0.2
<0.2
34
2.7
9
<0.3
0.312
0.013
0.025
S-15
04/23/2015
<1
<1
11.7
76
78
3.04
12
6.24
6.16
5.47
5.75
0.023
8.39
<1
<1
39
3.17
3.14
64
<0.1
<0.2
<0.2
410
4.3
26
<0.3
0.692
<0.005
<0.005
S-20
04/22/2015
<1
<1
3.49
74
77
1.38
300
<1
<1
<1
<1
0.016
5.19
<1
<1
5.4
0.048
0.049
5.6
<0.1
<0.2
<0.2
100
19
<5
0.529
0.S92
<0.005
0.006
Notes:
- Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 2013.
E- Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Criteria, April 2015.
- Shaded concentration indicates MDL exceedance of the 15A NCAC 02L Standard, Appendix 2, April 2013.
El- Shaded concentration indicates MDL exceedance of the 15A NCAC 02B Criteria, April 2015.
* - Dissolved concentration is hardness -dependent - criterion is given in terms of hardness <_ 25 mg/L.
** - Chromium criterion for 15A NCAC 02B is for Cr(VI); results are given as dissolved chromium
' - Narrative Standard
' - Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April, 1, 2013.
Deg C = Degree Celsius NTU = nephelometric turbidity unit Temp = Temperature
mg/I = milligrams per liter S.U. = Standard Unit ORP = Oxidation Reduction Potential
mV = millivolts Spec Cond = Specific Conductance DIS = Dissolved
NE = Not established ug/I = microgram per liter TOT = Total
NM = Not Measured umhos/cm = micro siemens per centimeter DO = Dissolved Oxygen
< = concentration not detected at or above the reporting limit.
DUP= Duplicate
mg-N/L= milligrams of nitrogen per liter
Prepared by: BER/SRW/RAG Checked by: RLP
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 9-2 Seep Analytical Results REVS Page 2 of 2

TABLE 9-3
SURFACE WATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS LLC., LUMBERTON, NC
Spec
Aluminum
Antimony
Arsenic
Barium
Beryllium
Bi-
Boron
Cadmium*
Calcium
Carbonate
Chromium*
Cobalt
Copper*
Analytical Parameter
pH
Temp
Cond
DO
ORP
Turbidity
Alkalinity
carbonate
Alkalinity
Alkalinity
Chloride
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
S.U.
Deg C
umhocms/
mg/I
mV
NTU
mg/I
ug/I
ug/I
ug/I
ug/1
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
15 NCAC 02B Criteria
6-9r
NE
NE
z51
NE
25'
NE
NE
NE
NE
NE
150
NE
NE
NE
6.5
NE
NE
NE
NE
0.15
NE
NE
NE
230
11**
NE
NE
NE
0.0027
NE
Sample ID
Sample
Field Parameter
Analytical Results
Collection Date
SW-01
04/22/2015
6.0
19
31
2.36
27
4.92
25
146
193
<1
<1
1.5
1.9
48
42
<1
<1
25
54
<50
<1
<1
10.9
<10
15
<1
<1
<1
<1
<0.001
<0.001
SW-02
04/22/2015
5.1
17
882
3.6
72
27.1
25
475
598
<1
<1
<1
1.02
42
43
<1
<1
25
<50
<50
<1
<1
15.5
<10
14
<1
<1
<1
<1
<0.001
<0.001
Prepared by: BER/SRW/RAG Checked by: RLP
Notes:
- Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Criteria, April 2015.
0 - Shaded concentration indicates MDL exceedance of the 15A NCAC 02B Criteria, April 2015.
* - Dissolved concentration is hardness -dependent - criterion is given in terms of hardness < 25 mg/L.
** - Chromium criterion for 15A NCAC 02B is for Cr(VI); results are given as dissolved chromium
`- Narrative Standard
Deg C = Degree Celsius NTU = nephelometric turbidity unit Temp = Temperature DUP= Duplicate
mg/I = milligrams per liter S.U. = Standard Unit ORP = Oxidation Reduction Potential mg-N/L= milligrams of nitrogen per liter
mV = millivolts Spec Cord = Specific Conductance DIS = Dissolved
NE = Not established ug/I = microgram per liter TOT = Total
NM = Not Measured umhos/cm = micro siemens per centimete DO = Dissolved Oxygen
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 9-3 201S Surface Water Analytical Results REVI Page 1 of 2

TABLE 9-3
SURFACE WATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS LLC., LUMBERTON, NC
Iron
Lead *
Magnesium
Manganese
Mercury
Molybdenum
Nickel *
Nitrate
Potassium
Selenium
Sodium
Strontium
Thallium
Total
Total
Total
Vanadium
Zinc*
Analytical Parameter
(CVAFS)
Methane
Sulfate
Sulfide
Dissolved
Organic
Suspended
(as N)
Solids
Carbon
Solids
DIS
TOT
DIS
TOT
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
TOT
DIS
I TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
ug/I
ug/I
ug/I
ug/I
mg/l
ug/l
ug/I
ng/L
ug/l
ug/l
ug/I
ug/l
ug/I
mg-N/L
mg/I
ug/I
ug/l
mg/l
mg/I
mg/I
mg/I
mg/I
ug/I
ug/1
mg/l
mg/I
mg/l
ug/1
ug/1
mg/I
mg/I
15 NCAC 02B Standard
NE
NE
0.54
NE
NE
NE
NE
12
NE
NE
NE
16
NE
NE
NE
NE
5
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
NE
0.036
NE
Sample ID
Sample
Analytical Results
Collection Date
SW-01
04/22/2015
828
1050
<1
<1
3.54
66
69
1.11
32
<1
<1
<1
<1
<0.01
-9.04
<1
<1
-9.98
0.105
0.085
5.8
<0.1
<0.2
<0.2
110
19
6
0.352
0.819
0.132
<0.005
SW-02
04/22/2015
749
1140
<1
1.36
1.78
38
59
5.75
19
<1
<1
<1
<1
0.013
1.23
<1
<1
6.63
0.102
0.102
7.1
<0.1
<0.2
<0.2
130
23
17
0.863
1.43
0.008
0.008
Prepared by: BER/SRW/RAG Checked by: RLP
Notes:
- Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Criteria, April 2015.
- Shaded concentration indicates MDL exceedance of the 15A NCAC 02B Criteria, April 2015.
* - Dissolved concentration is hardness -dependent - criterion is given in terms of hardness < 25 mg/L.
** - Chromium criterion for 15A NCAC 02B is for Cr(VI); results are given as dissolved chromium
`- Narrative Standard
Deg C = Degree Celsius NTU = nephelometric turbidity unit Temp = Temperature DUP= Duplicate
mg/I = milligrams per liter S.U. = Standard Unit ORP = Oxidation Reduction Potential mg-N/L= milligrams of nitrogen per liter
mV = millivolts Spec Cord = Specific Conductance DIS = Dissolved
NE = Not established ug/I = microgram per liter TOT = Total
NM = Not Measured umhos/cm = micro siemens per centimeter DO = Dissolved Oxygen
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 9-3 201S Surface Water Analytical Results REVI Page 2 of 2

TABLE 9-5
2B EXCEEDANCES IN SEEPS AND SURFACE WATER
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
pH
DO Turbidity
Zinc
Reporting Units
S.U.
mg/L
NTU
mg/L
15A NCAC 02B Standard
6-9
>_5
25
0.036
Sample ID
Sample Collection
Date
Analytical Results
S15
4/23/2015
BE
2.7
38.4
BE
S-20
04/22/2015
5.7
1
BE
BE
SW-01
04/22/2015
BE
BE
BE
0.132
SW-02
04/22/2015
5.1
3.6
27.1
BE
Notes:
0 -Bold highlighted concentration indicates exceedance of the 15A NCAC 02B Criteria, April 2015.
S.U. = Standard Unit
ug/I = micrograms per liter
mg/I = milligrams per liter
BE = indicates concentration was below the 15A NCAC 02B Criteria, April 2015.
NE = Not Established
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 9-5 2B Exceedances in Seeps and Surface Water REV1 Page 1 of 1

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
pH
Water
Level
Temp
Spec
Cond
DO
ORP
Eh
Turbidit
Ferrous
Iron
Qualitative
Redox
State
Alkalinity
Aluminum
Aluminum
Antimony
Antimony
Arsenic
Arsenic
Barium
Barium
Beryllium
Beryllium
Bi-
carbonate
Alkalinity
Boron
Boron
Cadmium
Cadmium
Calcium
Carbonate
Alkalinity
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
Reporting Units
S.U.
ft
Deg C
umchos/
mg/I
mV
mV
NTU
mg/I
mg/1
ug/I
ug/I
ug/I
ug/I
ug/1
ug/I
ug/I
ug/1
ug/1
ug/l
mg/I
ug/l
ug/1
ug/l
ug/I
mg/I
mg/1
15A NCAC 02L Standard
6.5-8.5
NE
I NE
NE
NE
I NE
I NE
I NE
NE
NE
NE
NE
NE
1 *
NE
10
NE
700
1 NE
1 4 *
NE
NE
700
NE
2
NE
NE
Sample ID
Sample
Collection Date
Field Parameters
Analytical Results
BW-01
03/09/2015
4.1
4.55
14.1
178.9
1.34
326.7
531.7
2.88
NM
02 >= 0.5 mg/L
NA
NA
NA
NA
<1
NA
<1
NA
63
NA
NA
NA
NA
<50
NA
<1
NA
NA
BW-01
06/02/2015
4.4
8.18
17
147
0.1
108
313
4.86
0.75
Anoxic
<5
1560
1900
<1
<1
<1
<1
55
56
<1
<1
<5
65
67
<1
<1
5.13
<5
BW-01 DUP
06/02/2015
4.4
8.18
17
147
0.1
108
313
4.86
0.75
Anoxic
<5
NR
1860
NR
<1
NR
<1
NR
57
NR
<1
<5
NR
67
NR
<1
5.16
<5
BW-02D
03/05/2015
12.5
27.82
10
3609
1.14
-31.3
173.7
4.55
<0.5
Oxic
530
1650
1810
<1
<1
1.21
<1
131
121
<1
<1
15
<50
<50
<1
<1
352
380
BW-02D
06/03/2015
11.5
28.63
20
1040
0.4
-257
-52
2
<0.5
Anoxic
190
1200
1080
1.01
<1
<1
1.01
47
50
<1
<1
<10
<50
<50
<1
<1
55.4
100
BW-02I
03/05/2015
7.01
7.18
11
290.6
0.29
-73.3
131.7
89.9
1
Anoxic
110
53
2730
<1
<1
1.37
1.8
21
26
<1
<1
110
<50
<50
<1
<1
50.4
<10
BW-02I
06/04/2015
7.3
10.11
18
285
0.16
-115
90
413
<0.5
Anoxic
130
24
18300
<1
<1
1.12
3.89
19
53
<1
1.19
130
<50
<50
<1
<1
45.6
<10
BW-02S
03/06/2015
6.3
5.01
10
240
0.1
-79.5
125.5
216
2
Anoxic
87
182
11800
<1
<1
1.41
2.39
21
38
<1
<1
86
<50
<50
<1
<1
44.2
<10
BW-02S
06/05/2015
5.1
9.85
18
86
0.3
-92
113
>1000
NM
Anoxic
21
160
57400
<1
<1
1.13
3.93
14
96
<1
<1
21
<50
<50
<1
<1
4.08
<10
BW-03D
03/05/2015
7.2
1.08
17
182.4
0.22
-111
94
6.19
0.5
Anoxic
77
<5
66
<1
<1
<1
<1
49
51
<1
<1
76
<50
<50
<1
<1
29.2
<10
BW-03D
06/03/2015
7.3
2.41
19
193
0.1
-251
-46
2.3
2
Anoxic
84
<5
23
<1
<1
<1
<1
46
45
<1
<1
84
<50
<50
<1
<1
27.7
<10
BW-03I
03/04/2015
5.8
3.01
18
92
0.09
-19.5
185.5
58.3
5.5
Mixed (anoxic)
22
44
1460
<1
<1
5.84
9.07
25
31
<1
<1
22
<50
<50
<1
<1
9.25
<10
BW-03I
06/03/2015
5.7
5.27
19
67
0.1
-96
109
20.7
2.5
Anoxic
24
32
224
<1
<1
<1
<1
19
19
<1
<1
24
<50
<50
<1
<1
7.67
<10
BW-03S
03/05/2015
5.42
3.4
18
112.3
0.25
41
246
14.3
4.5
Anoxic
<10
168
712
<1
<1
<1
<1
20
19
<1
<1
<10
<50
<50
<1
<1
3.15
<10
BW-03S
06/03/2015
5.5
5.62
19
99
0.4
-108
97
19.5
3
Anoxic
10
170
749
<1
<1
<1
<1
19
20
<1
<1
10
<50
<50
<1
<1
3.1
<10
AW-01D
03/03/2015
9.3
21.86
15
178.9
0.31
32
237
3.08
<0.5
Anoxic
56
22
46
<1
<1
<1
<1
21
21
<1
<1
52
<50
<50
<1
<1
26.6
<10
AW-01D
06/02/2015
8.3
22.88
23
169
0.2
-188
17
1.23
0.5
Anoxic
57
38
13
<1
<1
<1
<1
28
29
<1
<1
57
<50
<50
<1
<1
26
<10
AW-01I
03/03/2015
6.4
14.56
18
81.9
0.2
88.9
293.9
5.03
4.5
Mixed (anoxic)
23
13
108
<1
<1
<1
<1
24
24
<1
<1
23
<50
<50
<1
<1
7.85
<10
AW-01I
06/02/2015
6.4
15.83
22
85
0.4
-174
31
4.36
2.7
Mixed (anoxic)
26
11
58
<1
<1
<1
<1
24
29
<1
<1
26
<50
<50
<1
<1
7.95
<10
AW-01S
03/03/2015
4.5
11.64
16
45.5
3.46
196.4
401.4
4.88
<0.5
Oxic
<10
148
301
<1
<1
<1
<1
7
6
<1
<1
<10
<50
<50
<1
<1
1.73
<10
AW-01S
06/02/2015
4.7
12.95
21
30
2.79
210.4
415.4
2.68
NM
Oxic
<10
48
106
<1
<1
<1
<1
<5
<5
<1
<1
<10
<50
<50
<1
<1
1.42
<10
AW-02D
03/03/2015
8.7
20.68
12
323.8
0.36
-74.5
130.5
17.6
<0.5
Anoxic
87
13
115
<1
<1
<1
<1
46
70
<1
<1
85
<50
<50
<1
<1
68.4
<10
AW-02D
06/03/2015
7.8
21.68
21
320.8
0.36
-228.3
-23.3
4.47
<0.5
Anoxic
100
9
35
<1
<1
<1
<1
52
54
<1
<1
100
<50
<50
<1
<1
54.4
<10
AW-02I
04/02/2015
7.2
1 18.21
1 21
267
0.48
15
1 220
14.8
<0.5
Mixed (anoxic)
70
<5
123
<1
<1
<1
<1
41
41
<1
<1
69
<50
<50
<1
<1
43.9
<10
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
= - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from CDC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State derived using USGS Excel@ Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 1 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
pH
Water
Level
Temp
Spec
Cond
DO
ORP
Eh
Turbidit
Ferrous
Iron
Qualitative
Redox
State
Alkalinity
Aluminum
Aluminum
Antimony
Antimony
Arsenic
Arsenic
Barium
Barium
Beryllium
Beryllium
Bi-
carbonate
Alkalinity
Boron
Boron
Cadmium
Cadmium
Calcium
Carbonate
Alkalinity
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
Reporting Units
S.U.
ft
Deg C
umchos/
mg/I
mV
mV
NTU
mg/I
mg/1
ug/I
ug/I
ug/I
ug/I
ug/1
ug/I
ug/I
ug/1
ug/1
ug/l
mg/I
ug/l
ug/1
ug/l
ug/I
mg/I
mg/1
15A NCAC 02L Standard
6.5-8.5
NE
NE
NE
NE
I NE
I NE
I NE
NE
NE
NE
NE
NE
1 *
NE
10
NE
1 700
1 NE
1 4 *
NE
NE
700
NE
2
NE
NE
Sample ID
Sample
Collection Date
Field Parameters
Analytical Results
AW-02I
06/03/2015
7.1
19.26
20
288.8
0.96
-142.3
62.7
38.3
<0.5
Mixed (oxic-anoxic)
88
<5
260
<1
<1
<1
<1
39
40
<1
<1
87
<50
<50
<1
<1
48.4
<10
AW-02S
03/03/2015
4.1
10.23
14
615
1.82
11.2
216.2
5.31
3.5
Mixed (oxic-anoxic)
<10
31100
34400
<1
<1
<1
1.02
23
22
10.2
10.3
<10
130
130
1.92
1.85
38.1
<10
AW-02S DUP
03/03/2015
4.1
10.23
14
615
1.82
11.2
216.2
5.31
3.5
Mixed (oxic-anoxic)
<10
30000
34100
<1
<1
<1
<1
23
23
10.9
10
<10
134
138
1.97
1.92
38.5
<10
AW-02S
06/03/2015
3.6
12.59
19
695
1.22
326.1
531.1
0.81
3
Mixed (oxic-anoxic)
<10
31200
32100
<1
<1
<1
<1
21
20
9.77
9.86
<10
121
117
1.86
1.89
42.2
<10
AW-03D
03/04/2015
8.3
5.51
17
258.4
0.14
-293.7
-88.7
7.34
0.5
Mixed (anoxic)
110
28
98
<1
<1
<1
<1
21
20
<1
<1
110
<50
<50
<1
<1
46.1
<10
AW-03D
06/04/2015
7.5
6.04
19
261
0.28
-118
87
2.9
1
Mixed (anoxic)
120
8
80
<1
<1
<1
<1
27
28
<1
<1
120
<50
<50
<1
<1
46.9
<10
AW-03I
03/04/2015
7
3.7
16
251.6
0.72
44.1
249.1
6.97
<0.5
Mixed (oxic-anoxic)
87
<5
318
<1
<1
<1
<1
16
17
<1
<1
87
<50
<50
<1
<1
40.9
<10
AW-03I
06/04/2015
6.7
5.3
19
239
0.3
-103
102
2.63
>7
Mixed (anoxic)
75
12
114
<1
<1
6.54
6.14
22
23
<1
<1
75
<50
<50
<1
<1
31
<10
AW-03S
03/04/2015
5.8
3.16
24
121
3.88
-2.1
202.9
217
<0.5
Oxic
11
76
14500
<1
<1
<1
<1
6
27
<1
<1
11
<50
<50
<1
<1
2.07
<10
AW-03S
06/04/2015
5.8
5.12
20
136
0.6
-76
129
23
3.5
Mixed (oxic-anoxic)
31
230
1730
<1
<1
4.7
4.97
8
10
<1
<1
31
<50
<50
<1
<1
2.25
<10
CW-01
03/09/2015
5.9
3.69
13.4
138
0.31
35.2
240.2
7.58
NA
02 < 0.5 mg/L
NA
NA
NA
NA
<1
NA
<1
NA
34
NA
NA
NA
NA
<50
NA
<1
NA
NA
CW-01
06/02/2015
5.5
5.44
19
105.1
0.46
-107.3
97.7
9.14
1.5
Anoxic
22.8
274
626
<1
<1
<1
<1
26
27
<1
<1
22.8
<50
<50
<1
<1
11.1
<5
CW-02
03/09/2015
7.4
4.52
13.2
270.3
0.69
243.9
448.9
2.21
NA
02 >= 0.5 mg/L
NA
NA
NA
NA
<1
NA
<1
NA
20
NA
NA
NA
NA
<50
NA
<1
NA
NA
CW-02 DUP
03/09/2015
7.4
4.52
13.2
270.3
0.69
243.9
448.9
2.21
NA
02 >= 0.5 mg/L
NA
NA
NA
NA
<1
NA
<1
NA
20
NA
NA
NA
NA
<50
NA
<1
NA
NA
CW-02
06/02/2015
7.4
5.86
18
268.4
0.52
-235
-30
1.61
0.5
Oxic
120
69
10
<1
<1
<1
<1
21
21
<1
<1
120
<50
<50
<1
<1
50.7
<5
CW-03
03/09/2015
6.2
3.99
14.1
456
3.83
226
431
4.72
NA
02 >= 0.5 mg/L
NA
NA
NA
NA
<1
NA
<1
NA
89
NA
NA
NA
NA
130
NA
<1
NA
NA
CW-03
06/02/2015
6.5
6.97
20
295
0.4
-79
126
3.34
0.5
Anoxic
67.1
66
31
<1
<1
<1
<1
53
53
<1
<1
67.1
<50
<50
<1
<1
40.8
<5
MW-01
06/05/2015
4
17.88
17
43.8
2.03
206
411
3.43
<0.5
Oxic
<10
232
265
<1
<1
<1
<1
9
9
<1
<1
<10
<50
<50
<1
<1
1.09
<10
MW-02
06/05/2015
7.5
3.04
22
298
0.26
-140
65
15.5
0.5
Anoxic
110
<5
449
<1
<1
<1
<1
42
57
<1
<1
110
<50
<50
<1
<1
53.1
<10
MW-03
06/05/2015
6.5
3.77
20
516
0.2
-189
16
4.76
3.25
Mixed (anoxic)
180
5
179
<1
<1
5.37
5.39
88
94
<1
<1
180
783
791
<1
<1
76.5
<10
MW-04
06/05/2015
6
4.84
18
667
0.38
50.5
255.5
2.45
<0.5
Mixed (anoxic)
95
<5
61
<1
<1
<1
<1
82
86
<1
<1
95
1600
1640
<1
<1
69
<10
MW-05
06/09/2015
4.9
4.71
19
273.1
0.53
34.5
239.5
4.9
4
Oxic
15
55
72
<1
<1
2.33
2.48
15
16
<1
<1
15
250
247
<1
<1
2.08
<10
MW-06
06/09/2015
6.7
6.12
18
375
0.2
-103
102
1.9
4.5
Anoxic
94
24
43
<1
<1
2.19
2.38
57
62
<1
<1
94
100
108
<1
<1
55
<10
MW-07
06/08/2015
7.4
5.39
19.3
363
0.4
-232
-27
3.97
1.2
Mixed (anoxic)
140
<5
15
<1
<1
<1
<1
1 52
52
<1
<1
140
<50
<50
<1
<1
63.3
<10
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from COC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State derived using USGS Excelg Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 2 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
pH
Water
Level
Temp
Spec
Cond
DO
ORP
Eh
Turbidit
Ferrous
Iron
Qualitative
Redox
State
Alkalinity
Aluminum
Aluminum
Antimony
Antimony
Arsenic
Arsenic
Barium
Barium
Beryllium
Beryllium
Bi-
carbonate
Alkalinity
Boron
Boron
Cadmium
Cadmium
Calcium
Carbonate
Alkalinity
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
Reporting Units
S.U.
ft
Deg C
umchos/
mg/I
mV
mV
NTU
mg/I
mg/1
ug/I
ug/I
ug/I
ug/I
ug/1
ug/I
ug/I
ug/1
ug/1
ug/l
mg/I
ug/l
ug/1
ug/l
ug/I
mg/I
mg/1
15A NCAC 02L Standard
6.5-8.5
NE
NE
I NE
NE
I NE
I NE
I NE
NE
NE
NE
NE
NE
1 *
NE
10
NE
1 700
1 NE
1 4 *
NE
NE
700
NE
2
NE
NE
Sample ID
Sample
Collection Date
Field Parameters
Analytical Results
MW-08I
06/04/2015
5.3
29.32
20
844
0.45
-86
119
16.6
1
Mixed (anoxic)
65
44
510
<1
<1
8.42
9.88
42
43
<1
<1
65
1080
1080
<1
<1
106
<10
MW-33I
06/09/2015
6.9
7.05
19
887
0.2
-70
135
1.26
NM
Mixed (anoxic)
230
13
72
<1
<1
<1
<1
75
75
<1
<1
230
<50
<50
<1
<1
198
<10
MW-335
06/08/2015
5
6.88
20
170
0.2
30
235
4.12
7
Mixed (anoxic)
<10
530
707
<1
<1
<1
<1
32
33
<1
<1
<10
<50
<50
<1
<1
15.6
<10
MW-44I
06/03/2015
7.3
23.75
20
450.7
0.32
-204.2
0.8
6.19
0.5
Anoxic
170
<5
42
<1
<1
<1
<1
48
47
<1
<1
170
<50
<50
<1
<1
89.1
<10
MW-44SA
06/04/2015
6.2
23.27
21
997
0.68
-105.2
99.8
16.1
3
Mixed(oxic-anoxic)
220
37
856
<1
<1
61.6
74.4
178
196
<1
<1
220
1580
1620
<1
<1
175
<10
MW-49I
06/09/2015
6.9
23.49
22
979
0.38
-209.7
-4.7
4.82
3
Mixed (anoxic)
300
10
77
<1
<1
<1
<1
80
81
<1
<1
300
3370
3400
<1
<1
142
<10
MW-53D
06/01/2015
6.9
10.01
19
275.6
0.72
-137.1
67.9
7.31
<0.5
Oxic
110
63
25
<1
<1
<1
<1
46
49
<1
<1
110
<50
<50
<1
<1
46.5
<10
MW-53I
06/01/2015
7.8
5.17
19.6
305
0.2
-301
-96
3.99
1.5
Anoxic
110
66
112
<1
<1
<1
<1
45
48
<1
<1
110
<50
<50
<1
<1
47.9
<10
MW-54D
06/08/2015
6.9
11.09
19
253.2
0.35
-18.8
186.2
3.52
<0.5
Anoxic
120
<5
63
<1
<1
<1
<1
48
46
<1
<1
120
<50
<50
<1
<1
46.5
<10
MW-55D
06/05/2015
7
8.37
18
252
0.38
-196.8
8.2
2.95
1.3
Anoxic
110
<5
41
<1
<1
<1
<1
39
39
<1
<1
110
<50
<50
<1
<1
44.8
<10
MW-55I
8/19/2015
NM
NM
NM
NM
NM
NM
NM
NM
NM
NM
130
<5
9
<1
<1
<1
<1
56
1 58
<1
<1
130
498
1 498
<1
<1
64.7
<10
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from CDC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State derived using USGS Excelg Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 3 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Chloride
Chromium
Chromium
Cobalt
Cobalt
Copper
Copper
Iron
Iron
Lead
Lead
Magnesium
Manganese
Manganese
Mercury
Mercury
Methane
Molybdenum
Molybdenum
Nickel
Nickel
Nitrate +
Nitrite
Potassium
Selenium
Selenium
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
Reporting Units
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg-N/L
mg/I
ug/I
ug/I
15 NCAC.21- Standard
250
NE
10
NE
1 *
NE
1
NE
300
NE
15
NE
NE
50
NE
1
NE
NE
NE
NE
100
10
NE
NE
20
Sample ID
Sample
Collection Date
Analytical Results
BW-01
03/09/2015
13
NA
<5
NA
NA
NA
<0.005
NA
162
NA
1.14
NA
NA
10
NA
<0.05
NA
NA
NA
NA
<5
NA
NA
NA
<1
BW-01
06/02/2015
7.4
1.32
<5
<1
<1
<0.001
<0.005
141
253
<1
1.1
2.6
25
24
<0.05
<0.05
30
<1
<1
<1
<5
1.4
13
1.46
1.42
BW-01 DUP
06/02/2015
7.1
NR
<5
NR
<1
NR
<0.005
NR
231
NR
1.05
2.59
NR
25
NR
<0.05
NR
NR
<1
NR
<5
1.4
13.2
NR
1.38
BW-02D
03/05/2015
3.1
22.3
24.5
<1
<1
0.00115
0.00127
<10
17
<1
<1
0.007
<5
<5
<0.05
<0.05
12
5.65
5.95
<1
<1
<0.01
5.52
1.35
1.4
BW-02D
06/03/2015
4.4
1.33
1.32
<1
<1
0.01
<0.001
<10
<10
1.16
<1
0.232
<5
<5
<0.05
<0.05
19
6.27
4.99
<1
<1
<0.01
12.7
<1
<1
BW-02I
03/05/2015
4.6
<1
7.08
<1
<1
<0.001
<0.001
764
2090
<1
1.29
0.827
29
35
<0.05
<0.05
65
10.5
11
<1
<1
<0.01
4.92
3.24
3.16
BW-02I
06/04/2015
4.4
<1
30.8
<1
1.31
<0.001
0.00256
908
7850
<1
8.99
0.841
28
50
<0.05
0.1
710
15.1
12.5
<1
2.88
0.021
2.11
<1
1.09
BW-02S
03/06/2015
7.8
<1
8.61
<1
<1
<0.001
0.00216
1500
2570
<1
7.85
0.669
27
31
<0.05
0.17
140
1.09
1.32
<1
2.17
<0.01
2.07
<1
1.67
BW-02S
06/05/2015
7
<1
25.9
<1
<1
<0.001
0.00805
1670
6420
<1
42.1
0.535
14
25
<0.05
0.78
130
1.48
3.64
<1
2.9
0.032
0.599
<1
5.54
BW-03D
03/05/2015
3
<1
<1
<1
<1
<0.001
<0.001
599
721
<1
<1
1.04
29
31
<0.05
<0.05
15
<1
<1
<1
<1
<0.01
1.54
<1
<1
BW-03D
06/03/2015
3.2
<1
<1
<1
<1
<0.001
<0.001
998
1090
<1
<1
1.02
40
41
<0.05
<0.05
120
1.63
2.05
<1
<1
<0.01
1.62
<1
<1
BW-03I
03/04/2015
9.2
<1
2.78
<1
<1
<0.001
<0.001
4700
5790
<1
<1
0.39
58
60
<0.05
<0.05
620
<1
1.08
<1
<1
<0.02
0.812
<1
<1
BW-03I
06/03/2015
5.8
<1
1.16
<1
<1
0.00224
<0.001
2600
2280
<1
<1
0.341
26
21
<0.05
<0.05
660
<1
<1
<1
<1
<0.01
0.877
<1
<1
BW-03S
03/05/2015
16
1.47
1.98
<1
<1
<0.001
<0.001
5110
5240
<1
<1
1.39
46
46
<0.05
<0.05
640
<1
<1
<1
<1
0.015
1.17
<1
<1
BW-03S
06/03/2015
13
1.52
2.18
<1
<1
<0.001
<0.001
4190
4490
<1
<1
1.44
41
40
<0.05
<0.05
510
<1
<1
<1
<1
0.01
1.19
<1
<1
AW-01D
03/03/2015
3.6
<1
<1
<1
<1
<0.001
<0.001
<10
77
<1
<1
0.378
<5
<5
<0.05
<0.05
49
5.85
6.01
<1
<1
<0.01
1.83
<1
<1
AW-01D
06/02/2015
3.8
<1
<1
<1
<1
<0.001
<0.001
147
349
<1
<1
0.744
32
33
<0.05
<0.05
72
4.3
4.59
<1
<1
<0.01
1.45
<1
<1
AW-01I
03/03/2015
3.8
<1
<1
<1
<1
<0.001
<0.001
6100
6600
<1
<1
0.829
97
98
<0.05
<0.05
24
<1
1.33
<1
<1
<0.01
1.1
<1
<1
AW-01I
06/02/2015
3.6
<1
<1
<1
<1
<0.001
<0.001
7590
8400
<1
<1
0.823
139
146
<0.05
<0.05
270
<1
1.01
<1
<1
0.018
0.85
<1
<1
AW-01S
03/03/2015
1.8
<1
<1
<1
<1
<0.001
<0.001
99
283
<1
<1
0.548
13
13
<0.05
<0.05
<10
<1
<1
1.14
2.04
1.5
0.425
<1
<1
AW-01S
06/02/2015
2.3
<1
<1
<1
<1
<0.001
<0.001
<10
12
<1
<1
0.526
<5
<5
<0.05
<0.05
<10
<1
<1
<1
<1
0.814
0.272
<1
<1
AW-02D
03/03/2015
2.5
<1
<1
<1
<1
<0.001
<0.001
<10
77
<1
<1
1.12
<5
5
<0.05
<0.05
420
1.4
1.39
<1
<1
<0.01
4.51
<1
<1
AW-02D
06/03/2015
2.2
<1
<1
<1
<1
<0.001
<0.001
26
57
<1
<1
1.17
11
12
<0.05
<0.05
280
1.34
1.24
<1
<1
0.012
4.83
<1
<1
AW-02I
04/02/2015
5.9
<1
<1
<1
<1
<0.001
<0.001
19
276
<1
<1
1.35
53
53
<0.05
<0.05
<10
3.38
3.56
<1
<1
<0.01
1.57
<1
<1
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from COC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel @ Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 4 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Chloride
Chromium
Chromium
Cobalt
Cobalt
Copper
Copper
Iron
Iron
Lead
Lead
Magnesium
Manganese
Manganese
Mercury
Mercury
Methane
Molybdenum
Molybdenum
Nickel
Nickel
Nitrate +
Nitrite
Potassium
Selenium
Selenium
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
Reporting Units
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg-N/L
mg/I
ug/I
ug/I
15 NCAC.21- Standard
250
NE
10
NE
1 *
NE
1
NE
300
NE
15
NE
NE
50
NE
1
NE
NE
NE
NE
100
10
NE
NE
20
Sample ID
Sample
Collection Date
Analytical Results
AW-02I
06/03/2015
5.2
<1
<1
<1
<1
<0.001
<0.001
140
863
<1
<1
1.26
72
73
<0.05
<0.05
14
3.14
3.03
<1
<1
<0.01
1.46
<1
<1
AW-02S
03/03/2015
4.8
15
16.6
71.9
65.1
0.087
0.0842
13800
10900
2.3
2.22
7.71
954
859
<0.05
<0.05
69
<1
<1
150
140
1.1
1.54
1.56
1.81
AW-02S DUP
03/03/2015
6.2
14.3
15.3
76
70.3
0.0881
0.0871
16100
13600
2.49
2.4
8.56
1040
940
<0.05
<0.05
56
<1
<1
156
149
1
1.61
1.62
1.42
AW-02S
06/03/2015
5.9
5.11
5.48
61.1
61.6
0.0732
7.63E-02
7410
7750
3.56
3.52
8.82
951
982
<0.05
<0.05
40
<1
<1
129
130
1.9
1.74
1.45
1.53
AW-03D
03/04/2015
3.2
<1
<1
<1
<1
<0.001
<0.001
438
613
<1
<1
1.07
74
77
<0.05
<0.05
<10
1.76
2
<1
<1
<0.01
2.36
<1
<1
AW-03D
06/04/2015
3.1
<1
<1
<1
<1
<0.001
<0.001
1850
2050
<1
<1
1.06
86
88
<0.05
<0.05
27
<1
<1
<1
<1
<0.01
1.6
<1
<1
AW-03I
03/04/2015
12
<1
<1
<1
<1
<0.001
<0.001
19
308
<1
<1
1.01
158
164
<0.05
<0.05
<10
2.52
2.61
<1
<1
0.199
0.226
<1
<1
AW-03I
06/04/2015
10
<1
<1
<1
<1
<0.001
<0.001
5110
5650
<1
<1
0.968
576
632
<0.05
<0.05
120
4.6
4.81
<1
<1
0.195
0.257
<1
<1
AW-03S
03/04/2015
12
<1
3.52
<1
<1
<0.001
0.00105
61
4800
<1
1.69
0.592
22
39
<0.05
0.06
<10
4.03
<1
<1
1.46
<0.01
0.481
<1
<1
AW-03S
06/04/2015
14
<1
1.36
<1
<1
<0.001
<0.001
15900
17000
<1
<1
0.914
56
57
<0.05
<0.05
60
<1
<1
1.06
<1
0.052
0.227
<1
<1
CW-01
03/09/2015
3.8
NA
<5
NA
NA
NA
<0.005
NA
2310
NA
<1
NA
NA
39
NA
<0.05
NA
NA
NA
NA
<5
NA
NA
NA
<1
CW-01
06/02/2015
3.6
<1
<5
<1
<1
<0.001
<0.005
1960
2020
<1
<1
0.728
36
36
<0.05
<0.05
530
<1
<1
<1
<5
0.01
1.06
<1
<1
CW-02
03/09/2015
4.4
NA
<5
NA
NA
NA
<0.005
NA
65
NA
<1
NA
NA
<5
NA
<0.05
NA
NA
NA
NA
<5
NA
NA
NA
<1
CW-02 DUP
03/09/2015
4.4
NA
<5
NA
NA
NA
<0.005
NA
65
NA
<1
NA
<1
<5
NA
<0.05
NA
NA
NA
NA
<5
NA
NA
NA
<1
CW-02
06/02/2015
7.6
<1
<5
<1
<1
<0.001
<0.005
360
384
<1
<1
1.23
10
10
<0.05
<0.05
84
1.11
1.09
<1
<5
0.169
0.507
<1
<1
CW-03
03/09/2015
60
NA
<5
NA
NA
NA
<0.005
NA
96
NA
<1
NA
<1
29
NA
<0.05
NA
NA
NA
NA
<5
NA
NA
NA
<1
CW-03
06/02/2015
18
<1
<5
<1
<1
<0.001
<0.005
858
1010
<1
<1
<1
<1
46
<0.05
<0.05
220
<1
<1
<1
<5
0.012
0.798
<1
<1
MW-01
06/05/2015
2.1
<1
<1
<1
<1
<0.001
<0.001
<10
323
<1
<1
<1
<1
10
<0.05
<0.05
<10
<1
<1
<1
<1
1.2
1.07
<1
<1
MW-02
06/05/2015
5.5
<1
<1
<1
<1
<0.001
<0.001
260
2530
<1
<1
<1
<1
38
<0.05
<0.05
42
<1
<1
<1
<1
0.027
1.08
<1
<1
MW-03
06/05/2015
24
<1
<1
<1
<1
0.00118
<0.001
2040
2390
<1
<1
<1
<1
63
<0.05
<0.05
820
<1
<1
1.06
<1
0.02
3.44
<1
<1
MW-04
06/05/2015
57
<1
<1
4.36
6.25
<0.001
<0.001
23
167
<1
<1
<1
<1
576
<0.05
0.28
40
<1
<1
1.47
1.48
<0.01
2.44
<1
<1
MW-05
06/09/2015
41
<1
<1
1.05
1.06
0.00111
<0.001
11700
11700
<1
<1
<1
<1
23
<0.05
<0.05
45
<1
<1
<1
<1
0.015
0.242
<1
<1
MW-06
06/09/2015
22
<1
<1
<1
<1
0.00223
<0.001
12000
12700
<1
<1
<1
<1
39
<0.05
<0.05
150
1.39
1.64
<1
<1
0.027
1.37
<1
<1
MW-07
06/08/2015
4.8
<1
<1
<1
<1
<0.001
<0.001
904
909
<1
<1
<1
<1
73
<0.05
<0.05
990
2.68
2.74
<1
<1
0.413
1.73
<1
<1
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from CDC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel O Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results R1.xlsx Page 5 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Chloride
Chromium
Chromium
Cobalt
Cobalt
Copper
Copper
Iron
Iron
Lead
Lead
Magnesium
Manganese
Manganese
Mercury
Mercury
Methane
Molybdenum
Molybdenum
Nickel
Nickel
Nitrate +
Nitrite
Potassium
Selenium
Selenium
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
TOT
DIS
TOT
Reporting Units
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
mg/I
ug/I
ug/I
ug/I
ug/I
mg/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
ug/I
mg-N/L
mg/I
ug/I
ug/I
15 NCAC.21- Standard
250
NE
10
NE
1 *
NE
1
NE
1 300
NE
15
NE
NE
50
NE
1
NE
NE
NE
NE
100
10
NE
NE
20
Sample ID
Sample
Collection Date
Analytical Results
MW-08I
06/04/2015
46
<1
2.29
<1
<1
<0.001
0.00126
1300
1880
<1
<1
<1
<1
147
<0.05
<0.05
1400
<1
<1
<1
1.12
<0.01
13.3
<1
<1
MW-33I
06/09/2015
7.9
<1
<1
<1
<1
<0.001
<0.001
7380
7770
<1
<1
<1
<1
115
<0.05
<0.05
96
<1
<1
<1
<1
0.019
0.844
<1
<1
MW-33S
06/08/2015
3.9
<1
1.06
1.67
1.74
<0.001
<0.001
6300
6780
<1
<1
<1
<1
73
<0.05
<0.05
420
<1
<1
<1
1.11
0.036
1.92
<1
<1
MW-44I
06/03/2015
12
<1
<1
<1
<1
<0.001
<0.001
392
450
<1
<1
<1
<1
31
<0.05
<0.05
130
<1
<1
<1
<1
<0.01
1.63
<1
<1
MW-44SA
06/04/2015
51
<1
2.71
2.89
3.15
<0.001
0.00134
3370
4430
<1
<1
<1
<1
172
<0.05
<0.05
57
6.72
7.47
1.08
1.87
0.116
4.49
<1
<1
MW-49I
06/09/2015
71
<1
<1
<1
<1
<0.001
<0.001
5790
6420
<1
<1
<1
<1
111
<0.05
<0.05
2300
3.37
3.37
1.49
1.7
0.04
6.01
<1
<1
MW-53D
06/01/2015
4.7
<1
<1
<1
<1
<0.001
<0.001
331
724
<1
<1
<1
<1
27
<0.05
<0.05
28
<1
<1
<1
<1
<0.01
1.41
<1
<1
MW-53I
06/01/2015
6.4
<1
<1
<1
<1
<0.001
<0.001
1580
2660
<1
<1
<1
<1
31
<0.05
<0.05
240
<1
<1
<1
<1
<0.01
6.37
<1
<1
MW-54D
06/08/2015
3.3
<1
<1
<1
<1
<0.001
<0.001
212
<1
<1
<1
<1
23
<0.05
<0.05
88
<1
<1
<1
<1
0.014
1.47
<1
<1
MW-55D
06/05/2015
3.2
<1
<1
<1
<1
<0.001
<0.001
��t
�10
<1<1
<1
37
<0.05
<0.05
52
<1
<1
<1
<1
0.03
1.3
<1
<1
MW-55I
8/19/2015
50
<1
<1
1.73
1.61
0.0098
<0.001
<1
2.10
61
63
<0.05
<0.05
<10
<1
<1
<1
<1
0.044
0.935
<1
<1
Prepared by:BER/5RW/RAG Checked by: RLP
Notes
= - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from COC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel O Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 6 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Sodium
Strontium
Strontium
Sulfate
Sulfide
Thallium
Thallium
Total
Dissolved
Solids
Total
Organic
Carbon
Total
Suspended
Solids
Vanadium
Vanadium
Zinc
Zinc
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
mg/1
mg/1
mg/I
mg/l
mg/I
ug/1
ug/I
mg/1
mg/I
mg/I
ug/I
ug/1
mg/I
mg/1
15 NCAC.21L Standard
NE
NE
NE
250
NE
NE
0.2 *
500
NE
NE
NE
0.3 *
NE
1
Sample ID
Sample
Collection Date
Analytical Results
BW-01
03/09/2015
NA
NA
<1
51
NA
NA
<0.2
130
NA
NA
NA
NA
NA
0.014
BW-01
06/02/2015
3.14
0.029
<1
47
<0.1
<0.2
<0.2
87
6.7
6
4.02
5.09
<0.005
<0.005
BW-01 DUP
06/02/2015
3.19
NR
NR
48
NR
NR
<0.2
97
NR
5
NR
5.02
<0.005
BW-02D
03/05/2015
8.56
1.21
1.1
3.8
<0.1
<0.2
<0.2
740
32
27
3.88
4.75
<0.005
0.073
BW-02D
06/03/2015
8.45
0.458
0.454
7.2
<0.1
<0.2
<0.2
240
7.6
<5
20
19.3
0.016
<0.005
BW-02I
03/05/2015
12.2
0.217
0.229
13
<2
<0.2
<0.2
200
8.4
<5
1.45
8.88
0.01
0.007
BW-02I
06/04/2015
19
0.216
0.255
2.1
<0.5
<0.2
<0.2
440
8.2
200
2.05
36.6
0.006
0.019
BW-02S
03/06/2015
6.26
0.134
0.146
9.1
<0.5
<0.2
<0.2
280
23
31
3.29
18.4
<0.005
<0.005
BW-02S
06/05/2015
11.6
0.017
0.039
8.5
<1
<0.2
<0.2
520
9.1
<125
2.35
47.3
<0.005
0.01
BW-03D
03/05/2015
6.94
0.153
0.157
0.53
<0.5
<0.2
<0.2
110
0.975
6
<0.3
<0.3
0.007
0.011
BW-03D
06/03/2015
7.32
0.153
0.156
0.21
<0.1
<0.2
<0.2
120
2.3
<5
<0.3
<0.3
<0.005
<0.005
BW-03I
03/04/2015
5.09
0.047
0.051
0.41
<0.1
<0.2
<0.2
86
4.8
23
1.67
5.69
0.005
0.006
BW-03I
06/03/2015
4.28
0.048
0.041
0.12
<0.1
<0.2
<0.2
57
2.5
5
1.31
2.46
0.015
<0.005
BW-03S
03/05/2015
10
0.021
0.021
5.3
<0.5
<0.2
<0.2
69
7.2
41
2.8
3.44
0.006
0.008
BW-03S
06/03/2015
8.75
0.021
0.021
9.1
0.466
<0.2
<0.2
75
6.8
<5
3.01
3.68
<0.005
<0.005
AW-01D
03/03/2015
7.66
0.141
0.142
20
<0.1
<0.2
<0.2
96
2.9
<5
0.531
0.648
<0.005
<0.005
AW-01D
06/02/2015
4.83
0.142
0.146
18
0.162
<0.2
<0.2
110
0.48
<5
<0.3
<0.3
<0.005
<0.005
AW-01I
03/03/2015
1.45
0.048
0.048
3.8
<0.5
<0.2
<0.2
30
3.3
8
<0.3
0.41
<0.005
0.02
AW-01I
06/02/2015
1.19
0.048
0.05
3.2
<0.2
<0.2
<0.2
53
1.1
<5
<0.3
<0.3
<0.005
<0.005
AW-01S
03/03/2015
1.42
0.01
0.009
16
<0.1
<0.2
<0.2
25
0.379
<5
<0.3
<0.3
0.008
<0.005
AW-01S
06/02/2015
1.14
0.007
0.007
4.4
<0.1
<0.2
<0.2
<25
0.247
<5
<0.3
<0.3
<0.005
<0.005
AW-02D
03/03/2015
7.2
0.311
0.49
61
<0.1
<0.2
<0.2
210
1.2
45
1.26
1.53
<0.005
<0.005
AW-02D
06/03/2015
7.66
0.329
0.34
53
<0.2
<0.2
<0.2
210
0.798
21
<0.3
0.317
<0.005
0.01
AW-02I
04/02/2015
4.92
0.224
0.229
8.3
<0.1
<0.2
<0.2
160
1.9
6
<0.3
0.442
0.006
<0.005
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from COC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel O Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 7 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Sodium
Strontium
Strontium
Sulfate
Sulfide
Thallium
Thallium
Total
Dissolved
Solids
Total
Organic
Carbon
Total
Suspended
Solids
Vanadium
Vanadium
Zinc
Zinc
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
mg/1
mg/1
mg/I
mg/l
mg/I
ug/1
ug/I
mg/1
mg/I
mg/I
ug/I
ug/1
mg/I
mg/1
15 NCAC.21L Standard
NE
NE
NE
250
NE
I NE
0.2 *
S00
NE
NE
NE
0.3 *
NE
1
Sample ID
Sample
Collection Date
Analytical Results
AW-02I
06/03/2015
4.67
0.26
0.257
38
<0.1
<0.2
<0.2
170
1.3
20
<0.3
0.637
<0.005
0.009
AW-02S
03/03/2015
4.44
0.246
0.241
500
<0.1
<0.2
<0.2
520
0.903
6
<0.3
0.34
0.396
0.379
AW-02S DUP
03/03/2015
4.6
0.252
0.25
600
<0.1
<0.2
<0.2
540
0.85
5
<0.3
<0.3
0.427
0.388
AW-02S
06/03/2015
4.39
0.269
0.268
710
<0.1
0.228
0.237
500
0.98
<5
<0.3
<0.3
0.386
0.379
AW-03D
03/04/2015
3.19
0.226
0.227
2
<0.1
<0.2
<0.2
150
3.2
6
0.46
0.85
<0.005
<0.005
AW-03D
06/04/2015
2.7
0.233
0.237
0.7
<0.1
<0.2
<0.2
150
2.3
6
<0.3
<0.3
<0.005
<0.005
AW-03I
03/04/2015
4.76
0.136
0.138
2.9
<0.5
<0.2
<0.2
130
4.7
7
<0.3
0.7
<0.005
<0.005
AW-03I
06/04/2015
4.92
0.124
0.131
3.5
0.12
<0.2
<0.2
110
1.9
11
<0.3
0.392
<0.005
<0.005
AW-03S
03/04/2015
20.3
0.011
0.02
14
<2
<0.2
<0.2
240
50
87
<0.3
3.99
<0.005
0.014
AW-03S
06/04/2015
11.3
0.02
0.02
1.1
0.178
<0.2
<0.2
80
7.3
17
1.94
2.65
<0.005
0.012
CW-01
03/09/2015
NA
NA
NA
15
NA
NA
<0.2
83
NA
NA
NA
NA
NA
<0.005
CW-01
06/02/2015
6.12
0.067
<1
16
1.14
<0.2
<0.2
71
3.6
<5
0.785
1.29
<0.005
<0.005
CW-02
03/09/2015
NA
NA
NA
9.8
NA
NA
<0.2
150
NA
NA
NA
NA
NA
<0.005
CW-02 DUP
03/09/2015
NA
NA
NA
9.8
NA
NA
<0.2
160
NA
NA
NA
NA
NA
<0.005
CW-02
06/02/2015
3.54
0.206
<1
9.9
<0.2
<0.2
<0.2
170
0.168
<5
<0.3
<0.3
<0.005
<0.005
CW-03
03/09/2015
NA
NA
NA
85
NA
NA
<0.2
280
NA
NA
NA
NA
NA
<0.005
CW-03
06/02/2015
11.8
0.225
<1
29
<0.1
<0.2
<0.2
170
1.4
<5
0.468
0.636
<0.005
<0.005
MW-01
06/05/2015
1.41
0.009
0.009
5
<0.1
<0.2
<0.2
<25
0.449
<5
<0.3
<0.3
<0.005
<0.005
MW-02
06/05/2015
2.99
0.284
0.3
24
<0.1
<0.2
<0.2
170
0.53
11
<0.3
0.304
<0.005
<0.005
MW-03
06/05/2015
21.2
0.671
0.688
36
<0.1
<0.2
<0.2
310
3.3
5
0.343
0.663
0.013
<0.005
MW-04
06/05/2015
60.2
0.391
0.403
140
<0.2
0.301
0.352
400
1.1
<5
<0.3
<0.3
0.012
0.011
MW-05
06/09/2015
38.9
0.025
0.024
50
<0.2
<0.2
<0.2
150
1.1
<5
<0.3
0.467
<0.005
<0.005
MW-06
06/09/2015
13
0.32
0.33
46
<0.1
<0.2
<0.2
230
2.2
11
<0.3
0.448
<0.005
<0.005
MW-07
06/08/2015
10.2
0.332
0.333
29
<0.1
<0.2
<0.2
240
2.1
<5
<0.3
<0.3
<0.005
<0.005
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
0 - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from CDC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet ug/I = microgram per liter Temp = Temperature
mg/I = milligrams per liter umhos/cm = micro mhos per centimeter ORP = Oxidation Reduction Potential
my = millivolts Spec Cond = Specific Conductance DUP = Duplicate
NE = Not established NM = Not Measured
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel O Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 8 of 9

TABLE 10-1 Revision 1
GROUNDWATER ANALYTICAL RESULTS
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, INC., LUMBERTON, NC
Analytical Parameter
Sodium
Strontium
Strontium
Sulfate
Sulfide
Thallium
Thallium
Total
Dissolved
Solids
Total
Organic
Carbon
Total
Suspended
Solids
Vanadium
Vanadium
Zinc
Zinc
TOT
DIS
TOT
DIS
TOT
DIS
TOT
DIS
TOT
Reporting Units
mg/1
mg/1
mg/I
mg/l
mg/I
ug/1
ug/I
mg/1
mg/I
mg/I
ug/I
ug/1
mg/I
mg/1
15 NCAC.21L Standard
NE
NE
NE
250
NE
NE
0.2 *
500
NE
NE
NE
0.3 *
NE
1
Sample ID
Sample
Collection Date
Analytical Results
MW-08I
06/04/2015
45.1
1.22
1.22
250
0.636
<0.2
<0.2
560
4.7
8
2.81
3.64
0.023
0.031
MW-33I
06/09/2015
6.79
1.06
1.08
220
<0.1
<0.2
<0.2
620
2
16
<0.3
<0.3
<0.005
<0.005
MW-335
06/08/2015
3.17
0.066
0.066
50
0.978
<0.2
<0.2
120
8.3
<5
1.48
1.5
<0.005
<0.005
MW-44I
06/03/2015
4.68
0.488
0.476
32
<0.1
<0.2
<0.2
280
1.6
5
<0.3
0.542
<0.005
<0.005
MW-44SA
06/04/2015
34
1.99
2.05
230
<0.5
<0.2
<0.2
690
3.7
18
1.42
3.8
0.049
0.051
MW-49I
06/09/2015
64.6
0.736
0.749
90
<0.2
<0.2
<0.2
600
5.4
15
0.372
0.422
<0.005
<0.005
MW-53D
06/01/2015
5.4
0.255
0.263
14
<0.1
<0.2
<0.2
170
0.716
9
<0.3
<0.3
<0.005
<0.005
MW-53I
06/01/2015
8.81
0.265
0.275
27
<0.1
<0.2
<0.2
180
0.808
9
<0.3
<0.3
0.007
<0.005
MW-54D
06/08/2015
3.19
0.254
0.247
<0.1
<0.1
<0.2
<0.2
160
0.877
71
<0.3
<0.3
<0.005
<0.005
MW-55D
06/05/2015
2.81
0.233
0.234
0.12
<0.1
<0.2
<0.2
140
0.797
5
<0.3
<0.3
<0.005
<0.005
MW-55I
8/19/2015
34.0
0.345
0.354
45
<0.1
<0.2
<0.2
290
1
<5
<0.3
<0.3
0.014
<0.005
Prepared by:BER/SRW/RAG Checked by: RLP
Notes
= - Bold highlighted concentration indicates exceedance of the 15A NCAC 02L Standard, Appendix 2, April 1, 2013.
NR = No result due to inadvertent omission from COC for June 2015
Deg C = Degree Celsius S.U. = Standard Unit DO = Dissolved Oxygen
ft = feet
mg/I = milligrams per liter
my = millivolts
NE = Not established
ug/I = microgram per liter
umhos/cm = micro mhos per centimeter
Spec Cond = Specific Conductance
NM = Not Measured
Temp = Temperature
ORP = Oxidation Reduction Potential
DUP = Duplicate
NTU = nephelometric turbidity unit NA = Not analyzed for March 2015 NPDES Compliance Sampling Event
< = concentration not detected at or above the reporting limit.
* = Interim Maximum Allowable Concentrations (IMACs) of the 15A NCAC 02L Standard, Appendix 1, April 1, 2013.
Qualitative Redox State drived using USGS Excel @ Workbook for Identifying Redox Processes in ground water.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 10-1 2015 Groundwater Analytical Results Rl.xlsx Page 9 of 9

Table
Table
TABLE 12-13 Revision 1
SOILS (0-2') ANALYTICAL RESULTS
EPA REGION 4 RECOMMENDED SCREENING VALUES FOR SOIL - ECOLOGICAL
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, LLC., LUMBERTON, NC
Percent
pH at 25
Nitrate
Total
Analytical Parameter
Moisture
Degrees C
Aluminum
Antimony
Arsenic
Barium
Beryllium
Boron
Cadmium
Calcium
Chloride
Chromium
Cobalt
Copper
Iron
Lead
Magnesium
Manganese
Mercury
Molybdenum
Nickel
(as N)
Potassium
Selenium
Sodium
Strontium
Sulfate
Thallium
Organic
Carbon
Vanadium
Zinc
Reporting Units
/
Std. Units
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
EPA Region 4 Soil Criteria
NE
NE
50
3.5
10
165
1.1
0.5
1.6
NE
NE
0.4
20
40
200
50
NE
100
0.1
2
30
NE
NE
0.81
NE
NE
NE
1
NE
2
50
Sample ID
Sample
Analytical Results
Collection Date
SB-01 (0-2)
02/12/2015
9.9
6
3700
<1.1
<1.1
4.1
<0.13
<2.7
<0.13
<26.9
<272
5.1
<1.1
0.8
1170
4.8
<26.9
0.41
0.024
<0.54
1
<27.2
<53.8
<1.1
<53.8
1.9
<272
<1.1
2270
2.8
<1.1
SB-02 (0-2)
02/11/2015
5.7
5.4
1690
<1.1
<1.1
4.9
<0.13
<2.6
<0.13
89.6
<266
1.9
<1.1
0.7
1210
2.8
36.1
4.4
0.0098
<0.53
0.5
<26.6
<52.9
<1.1
<52.9
0.69
<266
<1.1
2680
2.4
1.1
SB-03 (0-2)
02/11/2015
38.8
6.2
3480
<4
7.2
157
0.95
<4
<0.49
3090
<404
4.3
2.3j
11.1
11400
9.7
241
56.5
0.036
1.5
7.1
<40.4
202
3.7j
77.4j
85
<404
<4
23800
11.1
4.2
0
(0-2)
02/10/2015
9.8
3.6
5070
<2.8
15.3
14.3
<0.34
70.9
8.2
6.1
10500
7.7
178
11
0.024
0.87
2.4
194
4.7
185 j
1380
11.3
4.5SB-04
0
c
AW-01 (0-2)
02/10/2015
12.3
5.7
14400
<2.9
2.8 j
17.6
1 <0.34
11.4
1 <0.34
775
1 <285
16.5
1 <2.9
4
10800
11.8
193
7.5
0.046
0.69
3.2
<28.5
150
<2.9
<57.4
5.8
<285
1 <2.9
9510
31.4
9.7
.0
AW-02 (0-2)
02/11/2015
10.5
5.6
13000
<2.8
2 j
15.5
<0.34
10.6
<0.34
187
<278
12.1
<2.8
3.8
9620
12
327
13
0.036
0.45 j
4.4
<27.8
202
<2.8
<56.2
2.2
<278
<2.8
8470
23.1
6.9
d
K
BW-02 (0-2)
02/19/2015
13.7
4.2
1580
<1.2
<1.2
3.2
<0.14
<2.9
<0.14
<28.8
<289
1.3
<1.2
0.4
407
6
<28.8
0.99
0.011
<0.58
<0.29
<28.9
<57.6
<1.2
<57.6
<0.58
<289
<1.2
18100
1.7
<1.2
BW-02 (0-2) DUP
02/19/2015
10.2
4.1
393
<1.1
<1.1
3.4
<0.13
<2.8
<0.13
<28.1
<277
0.65
<1.1
<0.28
178
<1.1
<28.1
0.47
<0.009
<0.56
<0.28
<27.7
<56.2
<1.1
<56.2
<0.56
<277
<1.1
6700
<1.1
<1.1
BW-03 (0-2)
02/13/2015
1 13
4.4
3610
<1.2
<1.2
6.3
<0.14
1 3.9
<0.14
<28.9
<292
3.7
<1.2
0.91
3320
1 3.2
135
5.3
<0.0091
<0.58
0.7
<29.2
<57.7
<1.2
1 <57.7
<0.58
<292
<1.2
2550
1 8.7
1.4
Prepared by: MMS, BER Checked by: RLP
Notes:
Bold color highlighted concentrations indicate highest exceedance of the category listed below:
0 - EPA. Region 4 Criteria - Soil
0 - MDL is greater than EPA Region 4 Criteria - Soil
NE = Not established
mg/kg = miligram per kilogram
Std. Units = Standard Units
DUP = Duplicate
j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated.
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 12-13 2015 Soils(0-2) Analytical Results REV1.xlsx Page 1 of 1

TABLE 12-14 Revision 1
SEDIMENT ANALYTICAL RESULTS
EPA REGION 4 RECOMMENDED SCREENING VALUES FOR SOIL AND EFFECTS VALUE - ECOLOGICAL
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROGRESS, LLC., LUMBERTON, NC
Total
Analytical Parameter
Percent
pH at 25
Aluminum
Antimony
Arsenic
Barium
Beryllium
Boron
Cadmium
Calcium
Chloride
Chromium
Cobalt
Copper
Iron
Lead
Magnesium
Manganese
Mercury
Molybdenum
Nickel
Nitrate
Potassium
Selenium
Sodium
Strontium
Sulfate
Thallium
Organic
Vanadium
Zinc
Moisture
Degrees C
as N)
Carbon
Reporting Units
/
Slid. Units
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
mg/kg
EPA Region 4 Soil Criteria
NE
NE
50
3.5
10
165
1.1
0.5
1.6
NE
NE
0.4
20
40
200
50
NE
100
0.1
2
30
NE
NE
0.81
NE
NE
NE
1
NE
2
50
EPA Region 4 Effects Value
NE
NE
NE
2
7.24
NE
NE
NE
0.676
NE
NE
52.3
NE
18.7
NE
30.2
NE
NE
0.13
NE
15.9
NE
NE
NE
NE
NE
NE
NE
NE
NE
124
Sample
Analytical Results
Sample ID
Collection Date
S-01
04/23/2015
23.9
5.1
1230
<6.7
<6.7
1.8 j
<0.34
<16.8
<0.8
<168
<323
1.4 j
<6.7
<1.7
474
<6.7
<168
<1.7
0.007 j
<3.4
<1.7
<32.3
<335
<6.7
<335
<3.4
<323
<6.7
12500
<6.7
<6.7
S-02
04/23/2015
80.5
7.6
10000
<26.2
23.8j
232
1.1j
63.4j
<3.1
13400
<1270
10
<26.2
33.3
7660
17.2j
1020
138
0.066
11.5j
8.4
<127
<1310
170
<1310
745
740j
<26.2
132000
29.5
<26.2
S-03
04/24/2015
57.7
7.2
8980
<12.3
613
31.5
<0.62
43.1
<1.5
4920
<588
11.3
<12.3
3.9
14000
7.3 j
313
102
0.036
168
2.6 j
<58.8
<616
<12.3
<616
195
449 j
<12.3
60300
23.4
<12.3
c
4
.q
5-03 A
04/24/2015
61.8
7.1
6790
<13.6
301
41.6
<0.68
51.1
<1.6
6810
<654
7.2
16.1
7
14800
12.1 j
415
43.1
0.12
140
7
<65.4
<679
<13.6
<679
280
<654
<13.6
70400
17.7
13 j
u
5-03 B
04/24/2015
71.9
6.9
16800
<17.1
324
45.3
0.66 j
49
<2.1
7270
<882
16.4
<17.1
11.8
21800
28.8
577
31
0.19
306
6.8
<88.2
<854
<17.1
<854
281
<882
<17.1
85000
38.1
<17.1
u
S-05
04/23/2015
83.8
7.2
11700
<32.2
1090
169
2.1
52.1j
<3.9
9610
<1500
11.6
16.4j
18.5
145000
<32.2
781j
811
0.055
249
4.3j
<150
<1610
<32.2
<1610
405
1100j
<32.2
110000
73.5
45.2
°n
S-09A
04/23/2015
21.4
6.4
1980
<6.2
8.7
12.8
0.2j
<15.4
<0.74
571
<314
2.1
<6.2
2.7
7160
3.3j
88.2j
12.2
0.011
1.9j
0.8j
<31.4
<308
<6.2
<308
5.7
<314
<6.2
26300
4.5j
19.4
S-10
04/23/2015
75.7
7.3
5110
<21.4
305
72.4
0.65j
146
<2.6
4900
<1030
5.7
<21.4
13.2
137000
11.6j
1150
156
0.019j
333
<5.4
<103
757j
<21.4
<1070
195
782j
<21.4
123000
14.5j
14j
S-15
04/23/2015
56.5
6.9
7610
<12.1
196
86.1
1.6
<30.2
I <1.4
6230
<568
11.7
6.8j
22.2
1 45700
12.8
382
186
1 0.047
14.6
7.2
<56.8
411j
7.6j
<603
137
<568
<12.1
25900
1 59.9
76.1
S-07
04/23/2015
40.2
6.2
1400
<8.5
<8.5
17.5
<0.43
<21.4
<1
299
<420
1.6 j
<8.5
1.5 j
2430
<8.5
109 j
33.8
0.0082 j
<4.3
1.6 j
<42
<427
<8.5
<427
5.3
<420
<8.5
8170
<8.5
9.3
c
0
'q
5-07 CUP
04/23/2015
35.7
5.6
3240
<7.4
<7.4
26.1
<0.37
<18.6
<0.89
253
<386
3.6
<7.4
3.4
1710
39.3
114j
9.3
0.028
<3.7
1.8j
<38.6
<371
<7.4
<371
5.1
<386
<7.4
26600
6.9j
16.7
0
Q,
c
S-20
04/22/2015
68.8
5.6
3850
<16.7
<16.7
32
<0.84
<41.8
<2
1600
<803
5
<16.7
4.4
3940
17
399 j
27.6
0.021 j
<8.4
<4.2
<80.3
<836
<16.7
<836
8 j
<803
<16.7
65400
11 j
58.3
SW-01
04/22/2015
90.7
6.1
7710
<11.2
<55.2
171
<2.8
<138
<6.6
8670
<2630
8j
<55.2
18.5
11600
<55.2
916j
81.6
0.11
<27.6
<13.8
<263
<2760
<55.2
<2760
106
<2630
<55.2
173000
<55.2
45.2j
v
K
SW-02
04/22/2015
49.8
6.1
1720
<10
<10
17.4
<0.5
Q4.9
r <1.2
1220
<497
Q.5
<10
Q.5
1670
8.2 j
<249
35.4
0.02
<5
<2.5
<499
<10
<499
9.2
<497
<10
39500
<10
Prepared by: BER KDF Checked by: RLP
Notes:
Bold highlighted concentrations indicate highest exceedance of the category listed below:
- EPA Region 4 Soil Screening Levels
- EPA Region 4 Effects Value
- MDL is greater than EPA Region 4 Soil Screening Levels
- MDL is greater than EPA Region 4 Effects Value
mg/kg = miligram per kilogram
NE = Not established
DUP = Duplicate
j = indicates concentration reported below Practical Quantitation Limit (PQL), but above Method Detection Limit (MDL) and therefore concentration is estimated.
< = concentration not detected at or above the reporting limit.
P:\Duke Energy Progress. 1026\109. Weatherspoon Ash Basin GW Assessment Plan\l.11 CSA Reporting\Supplement 9_2015\Tables\Table 12-14 2015 Sediment Analytical Results w Screening Criteria REVl.xlsx Page 1 of 1

TABLE 12-15 Revision 1
MATRIX FOR DETERMINATION OF CONSTITUENTS OF POTENTIAL CONCERN - ECOLOGICAL
W.H. WEATHERSPOON POWER PLANT
DUKE ENERGY PROCESS, LLC., LUMBERTON, NC
Analytical Parameter
pH
Aluminum
Antimony
Arsenic
Barium
Beryllium
Boron
Cadmium
Calcium
Chloride
Chromium
Cobalt
Copper
Iron
Lead
Magnesium
Manganese
Mercury
Methane
Molybdenum
Nickel
Nitr ate
asN)
Potassium
Selenium
Sodium
Strontium
Sulfate
Sulfide
Thallium
Total
Organic
Carbon
Vanadium
Zinc
Medium/Basis for COPC Designation
Soil
Concentration exceeds screening value
✓
✓
✓
✓
✓
✓
✓
MDL Exceeds screening value
#
✓
✓
✓
No screening value
✓
✓
✓
✓
✓
Sediment
Concentration exceeds screening value
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
MDL Exceeds screening value
#
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
No screening value
✓
✓
✓
✓
✓
Surface Water
Concentration exceeds screening value
✓
✓
MDL Exceeds screening value
✓
✓
✓
✓
No screening value
✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Seep
Concentration exceeds screening value
✓
✓
✓
✓
✓
MDL Exceeds screening value
✓
✓
✓
✓
No screening valuel
I✓
✓
✓
✓
✓
✓
✓
✓
✓
✓
Prepared by: MMS/SRW Checked by: RLP
Notes:
PEConstituent determined to be a COPC due to exceedance of one or more screening criteria at one or more sample locations
Constituent determined to be a tentative COPC due to a lack of screening criteria
Constituent not determined to be a COPC due to no exceedances of any screening criteria at any sample locations
Based on data from Tables 12-12 through 12-14
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Tables\Table 12-15 Matrix Ecological REV1.xlsx Page 1 of 1

Figure 6-4
Map
Primary Source
Secondary Sources
Exposure Medium
Exposure Route I Current and Hypothetical Future Ecological Receptors
Existing Primary Release Mechanisms
3
Ash Basin
Incomplete Pathway — — — — — ►
3
a
Secondary Source Flow
Exposure Medium
QjCA
Former Pathway — — — —►
>
Qj
c
s~
a
.c
d
a,
v
v
a�
o
v
r-----------
I
I
I
I
I
I
Coal Ash Basin
Human Receptors
Potentially Complete Exposure Pathway
Incomplete Exposure Pathway
Dermal
Soil Incidental Ingestion
Ingestion of Prey or Plants
Dermal
Purposeful Ingestion (Drinking)
Surface Water
Ingestion
Ingestion of Prey or Plants
Sediment
Groundwater —
161P
synTern
148 River Street, Suite 220
Greenville, SC 29601
Phone: [phone]
Dermal
Incidental Ingestion
Ingestion of Prey or Plants
Incidental Ingestion
Ingestion of Prey or Plants
Figure 12-9
Ecological
Conceptual Exposure Model
W. H. Weatherspoon Power Plant
Lumberton, North Carolina
P:\Duke Energy Progress.1026\109. Weatherspoon Ash Basin GW Assessment Plan\1.11 CSA Reporting\Supplement 9_2015\Figures\Figure 12-9 Weatherspoon Eco CEM REV1.xlsx9/15/2015 1 of 1

SP0110961
FINAL REPORT
Multi Element Package
COPIES TO
Samantha Wilkinson
SynTerra
CLIENT REFERENCE No:
No. SAMPLES
MAIN SAMPLE TYPE
BW-02 66 through AW-03 35-36
4
BLEG
AMERICAN ASSAY LABORATORIES
is 1500 GLENDALE AVE.
SPARKS, NV USA 89431-5902
Ph.[phone]
Fax.[phone]
EMAIL: [e-mail]
RECEIVED 7-May-2015
REPORTED 10-Aug-2015
COMPANY DISCLAIMER :-
When small samples are submitted, AAL may process the sample at smaller then specified weights to retain some pulp for quality control reassay.
When Values exceed upper limits, AAL will run an Over Range analysis, to establish an accurate value. Additional cost will apply.
Due to USDA Soil Quarantine programs - all foreign and some domestic soil material must be decontaminated by drying a 125C for 48 hours,
which will result in loss of Mercury (Hg).
NEVADA LEGISLATIVE DISCLAIMER :-
The results of this assay were based solely upon the content of the sample submitted. Any decision to
invest should be made only after the potential investment value of the claim or deposit has been determined
based on the results of assays of multiple samples of geological materials collected by the prospective
investor or by a qualified person selected by him and based on an evaluation of all engineering data
which is available concerning any proposed project. Nevada State Law NRS 519.130.
ANALYSIS
A1203
BaO
CaO
Cr203
Fe203
K20
MgO
MnO
Na20 P205
Si02 SrO Ti02 V205
As
Cd
Ce Cc Cu Ga La Mo Ni Pb Sb Se
METHOD
XRF-WR XRF-WR XRF-WR
XRF-WR XRF-WR XRF-WR
XRF-WR XRF-WR
XRF-WR XRF-WR XRF-WR
XRF-WR XRF-WR XRF-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR
UNIT
pot
pot
pot
pot
pot
pot
pot
pot
pot pot
pot pot pot pot
ppm
ppm
ppm ppm ppm ppm ppm ppm ppm ppm ppm ppm
LOWER LIMIT
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01 0.01
0.01 0.01 0.01 0.01
1
0.2
1 1 1 2 1 1 1 2 1 1
ANALYSIS
Sn
W
Zn
Zr
LOI
H2O-
C
S
>63 um -63 um.y
<2um Quartz ldspar:covitedinited orite Pyrite
METHOD
D4A-WR D4A-WR D4A-WR
D4A-WR
LOI
H20-ILTRA-CILTRA-C.ay
XRD.ay XRD.ay
XRD.ay XRD.ay XRD.ay XRD.ay
XRD.ay
XRD.ay
XRD
UNIT
ppm
ppm
ppm
ppm
pot
pot
pot
pot
pot pot
pot pot pot pot
pot
pot
pot
LOWER LIMIT
1
1
1
1
0.01
0.01
0.005
0.005
0.01 0.01
0.01 0.1 0.1 0.1
0.1
0.1
0.1
SIGNATORY
ANALYSIS
Cover Page
A G06

SP0110961
FINAL REPORT
Abbreviatior
Preparation DIP
DIS
ISS
SDI
SHI
SNR
Analysis STD - ??
STD - AAL##
BLANK
DTF
DL
< or -
N/A
NR
(R) column
D or -D after Sample II
-R after Sample II
-X after Sample II
ppb
ppm
OPT
Oz
g
mg
Kg
lbs
T
Definitior.
Sample Destroyed in Preparation
Sample Destroyed in Shipment
Insufficient Sample Submitte(
Sample Diesel Impregnate(
Sample Hydraulic Impregnate(
Sample Not Receivec
International Reference Material Standar
AAL generated standard material
AAL Laboratory Silica Blan]
Data to Folloc,
Detection Limit of Metho(
Less Than Lower Detection Limit of Metho
Greater than Upper Limit of Metho,
Not Analyzec
Not Reportec
Laboratory repeat weigh, digestion, analysis from original pulp or reject respl
Client submitted duplicate rig split sampl
Repeat analysis from original pulp reweigh, digestion and analys:
Repeat analysis from reject resplit, preparation, weigh, digestion and analys
Parts per Billion 0.001 ppm = 1 pp
Parts per Million 1 ppm = 1 mg/K
Troy Ounces per Short Ton(2,000 lbs)(1 ppm= 0.02917 OPZ
Troy Ounce = 31.103 gram:
Percent 1%=10,000 pp.
Grams lg=0.001 kilogra
Milligrams lmg=0.001gram
Kilograms 1Kg=1000gram
Pounds llb=0.454kilogra
Method FA-PB##
Fire Assay Lead Collection - ## sample weight in gran
GRAV
Gravimetric (Weighed) finis]
SF
Screen Fire Assay reporting a plus, 2 minus fractions and a head Ca:
+ ###
Plus. Fraction (Retained on top of Mesh) ###Screen Siz
- ###
Minus Fraction (Passed through Mesh) ###Screen Siz
CN
Cyanide Extractior
ORE GRADE
2g sample made to 1000m1 volumetric for results > upper limit of meth(
Ox-H2SO4 or -HC1
Dilute acid leach for oxide fraction in copper or molybdenum analys:
QLA
Dilute 10%H2SO4/0.5%Fe2(SO4)3 30C leach for acid soluble copper
QLT
Dilute 15%H2SO4 30C leach for acid soluble copper
SAP
Dilute 5%H2SO4/0.5%Fe2(SO4)3 85C leach for acid soluble & chalcocite coppe.
D#A
Digestion #=2,3 or 4 Acid:
2A=HC1/HNO3 3A-HC1/HNO3/HC104 4A=HC1/HNO3/HF/HC1C
HC1
Hydrochloric Acid(37%w/v) Boiling Point 109
HF
Hydrofluoric Acid(48%w/v) Boiling Point 108C Extreme Health Hazar
HC104
Perchloric Acid(69%w/v) Boiling Point 203C Extreme Fire/Explosion Haza:
HNO3
Nitric Acid(69%w/v) Boiling Point 121
H2SO4
Sulfuric Acid(98% w/v) Boiling Point 338
ICP-xB or -x2
ICP-AES and/or ICP-MS analysis using x=2, 3 or 4 acid digestior
LiB02-C
Lithium Metaborate fusion in Carbon crucibl
Na202-C
Sodium Peroxide fusion in Carbon crucibl
Na202-Zr
Sodium Peroxide fusion in Zirconium crucibl
Technique AAS
Atomic Absorption Spectroscop,
ICP-AES
Inductively Coupled Plasma Atomic Emission Spectroscol
ICP-MS
Inductively Coupled Plasma Mass Spectroscop
RG
Research Grade (Low detection limit ICP-AES
UT
Ultra Trace (ICP-AES+ICP-MS analyses
XRF-ED or -WE
X-Ray Flourescence (-ED = Energy Dispersive) (-WD = Wavelength Dispersiv,
XRD
X-Ray Diffractior
ELTRA-I
Carbon & Sulfur infrared detection analyzer inductive heatir
ELTRA-P
Carbon, Hydrogen & Sulfur infrared detection analyzer resistance furna,
LECO-I
Nitrogen & Oxygen infra red detection analyzer inductive heatir
MW
Microwave Digestion ( -PT is at 1500psig and 300C
SG-WD or -HE
Specific Gravity-WD=Water Displacement -HP=Helium Pycnometer lg/cm3=62.41bs/f
AMERICAN ASSAY LABORATORIES
1500 GLENDALE AVE.
SPARKS, NV USA 89431-5902
Ph.[phone]
Fax.[phone]
EMAIL: [e-mail]
Definitions Page
nn*.-oov

SP0110961
FINAL REPORT
CLIENT SynTerra
PROJECT Weatherspoon Plant
REFERENCE BW-02 66 through AW-03 35-36
REPORTED 10-Aug-2015
A1203
BaO
CaO
Cr203
Fe203
K20
Mg0
MnO
Na20
P205
Si02
Sr0
Ti02
V205
As
Cd
Ce
Co
Cu
XRF-WR XRF-WR XRF-WR
XRF-WR
XRF-WR XRF-WR XRF-WR
XRF-WR
XRF-WR XRF-WR XRF-WR
XRF-WR
XRF-WR
XRF-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
1
0.2
1
1
1
SAMPLES
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
pct
ppm
ppm
ppm
ppm
ppm
BW-02 (66)
9.47
0.04
0.51
<0.01
2.84
1.14
0.18
0.02
0.12
0.04
80.72
<0.01
0.25
<0.01
1
<0.2
19
3
25
BW-02 (11-12)
1.72
<0.01
0.24
<0.01
3.82
0.02
0.05
0.03
0.02
0.02
93.89
<0.01
0.23
<0.01
1
<0.2
7
3
23
BW-02 (55-56)
6.55
0.04
0.38
<0.01
3.48
1.21
0.14
0.02
0.12
0.03
88.04
<0.01
0.21
<0.01
3
<0.2
24
5
13
AW-03 (35-36)
5.87
0.02
0.46
<0.01
3.20
0.70
0.13
0.02
0.07
0.03
87.41
<0.01
0.23
<0.01
2
<0.2
26
58
16
Page 3 of 5 AAL-008

SP0110961
FINAL REPORT
CLIENT SynTerra
PROJECT Weatherspoon Plant
REFERENCE BW-02 66 through A'
REPORTED 10-Aug-2015
Ga La
Mo
Ni
Pb
Sb
Se
Sn W
Zn
Zr LOI H20-
C
S
Sand >63 um Silt 2-63 um
Clay <2um
D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR D4A-WR LOI H20- ELTRA-C ELTRA-C
Clay XRD
Clay XRD
Clay XRD
2 1
1
1
2
1
1
1 1
1
1 0.01 0.01
0.005
0.005
0.01
0.01
0.01
SAMPLES
ppm ppm
ppm
ppm
ppm
ppm
ppm
ppm ppm
ppm
ppm pct pct
pct
pct
pct
pct
pct
BW-02 (66)
7 34
2
22
22
<1
<1
1 <1
19
7 2.03
0.074
0.285
75.73
14.99
9.28
BW-02 (11-12)
<2 5
4
15
10
<1
<1
2 <1
109
20 0.20
0.618
0.018
89.52
4.08
6.40
BW-02 (55-56)
4 25
2
96
18
<1
<1
<1 <1
20
8 1.63
0.095
0.835
82.75
10.85
6.40
AW-03 (35-36)
3 19
2
415
24
<1
<1
1 <1
18
8 1.36
0.060
0.121
83.28
12.46
4.26
Page 4 of 5 AAL-008

SP0110961
FINAL REPORT
CLIENT
SynTerra
PROJECT
Weatherspoon Plant
REFERENCE
BW-02 66 through A'
REPORTED
10-Aug-2015
SAMPLES
BW-02 (66)
BW-02 (11-12)
BW-02 (55-56)
AW-03 (35-36)
Quartz Feldspar Muscovite Kaolinite Chlorite Pyrite
Clay XRD Clay XRD Clay XRD Clay XRD Clay XRD Clay XRD
0.1 0.1 0.1 0.1 0.1 0.1
pct pct pct pct pct pct
23.2 24.9 39.1 12.1 0.8
93.6 6.4
36.9 34.1 16.1 12.1
60.2 0.9 31.2 7.7
0.9
Page 5 of 5
AAL-008