NC0003468_DRSS CAP Part I_Figures_Final_20151112

SINE LOCATION MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
NPDES PERMIT #NC0883468
ROCKINGHAM COUNTY, NORTH CAROLINA
�QATE
AUGUST 2015
FIGURE
1-1

r
i
e.
L1c

NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AS -BUILT MONITORING WELL AND NPDES OUTFALL LOCATIONS PROVIDED BY DUKE ENERGY.
4. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
5. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
6. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
SCALE (FEET)
150' 0 /50' 300,
l " = 300 ,
N
LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY
BOUNDARY
STREAM
LANDFILL - LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
ASH BASIN COMPLIANCE GROUNDWATER MONITORING WELL
ASH BASIN VOLUNTARY GROUNDWATER MONITORING WELL
NPDES OUTFALL LOCATION
RIVER FLOW DIRECTION
COMPLIANCE AND VOLUNTARY MONITORING WELLS
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST 2015
FIGURE
ROCK NGHAM COUNTY, NORTH CAROB NA
1-3

p=
i m
GWA98/01
G i1�39�C3G3� G v 9� D �v`
G739gC3G3 Gu�3C3G3
W'Al'mQ
m3mm-,
WEoD
500 0 500
SCALE (FEET)
1,000F)l
f '
N
J DD
LEGEND:
GROUNDWATER ASSESSMENT MONITORING
ASSESSMENT SOIL BORING
ASSESSMENT TEMPORARY MONITORING
CLOSURE OBSERVATION WELL
COMPLIANCE GROUNDWATER MONITORING
sa
VOLUNTARY GROUNDWATER MONITORING
— — — DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
MONITORING WELLAND SAMPLING LOCATION MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST, 2015
FIGURE
1-5
ROCKINGHAM COUNTY, NORTH CAROLINA

Y
r1
�
� �
.1 -
N �
a .,
ems=
�
�
. � . •
at ,,, tft • °. F-.
lot
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
4. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
5. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
6. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
• A V
SCALE (FEET)
150' 0 /50' 300,
l " = 300 ,
N
LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPS
BOUNDARY
STREAM
LANDFILL - LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
SURFACE WATER AND SEDIMENT SAMPLE LOCATION
SEEP AND SEDIMENT SAMPLE LOCATION
RIVER FLOW DIRECTION
SEEP AND SURFACE WATER SAMPLE LOCATIONS
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST 2015
FIGURE
ROCKINGHAM COUNTY, NORTH CAROLINA 1-7

NOTES:
1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE.
2. PRIVATE WELLS LOCATIONS ARE APPROXIMATE.
3. ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.
4. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).
5. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
6. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.
7. PROPERTY BOUNDARIES WERE SUPPLIED BY THE ROCKINGHAM COUNTY GIS OFFICE.
SCALE (FEET)
500 0 500 1,000
I
11
I
Legend
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
— — — COINCIDENT WITH DUKE ENERGY
PROPERTY BOUNDARY
_ 0.5 MILE OFFSET FROM ASH BASIN
COMPLIANCE BOUNDARY
STREAM
PROPERTY LINES
REPORTED PRIVATE WATER SUPPLY WELL
RECEPTOR MAP - AERIAL BASE
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
NPDES PERMIT #NC0003468
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
AUGUST 2015
FIGURE
4-2

• � •06
1. n
- � � � • � i ,. � � .a 5_ Ora` � r�% .X f.+Y 1 r� - *..�.- -
•
_ S :. ►��17�V�`j
Y' a
r`
:e
a _ —
• "x
It a.
.:
n
A
S`
t
�f LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
>:. ASH STORAGE AREA BOUNDARY
IL
` COMPLIANCE BOUNDARY
Awl
14
. _
,. _ "'`�`✓" COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY BOUNDARY
,ter
t y
�-:- .✓ r t.' K :'� '� �'� STREAM
.f . 'f • _ ! ♦ , _ _ dip ,� •�, r ',,ice -v �a '• l�- 4 �. _ j `i-i--� '`ps,'i•
�. _ ,`.'a ; -�i • •� �; �� 4,c �,�, _ ; i��a�. _ LANDFILL- LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
it PARCEL BOUNDARY
. -
jv
' RIVER FLOW DIRECTION
,..
r-
.
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
4. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
5. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
6. ZONING INFORMATION FOR ROCKINGHAM COUNTY OBTAINED FROM THE ROCKINGHAM COUNTY GIS WEBSITE. PROPERTIES IN
ROCKINGHAM COUNTY IN THE VICINITY OF THE SITE ARE ZONED RURAL RESIDENTIAL.
7. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
SCALE (FEET)
200, 0 200, 400'
/" - 400'
SITE VICINITY MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST 2015
FIGURE
1-4
ROCKINGHAM COUNTY, NORTH CAROB NA

GWA-8S
GWA-8D
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
9.7
Iron
413
Manganese
1,700
Manganese
1,200
Vanadium
0.45J
Sulfate
368,000
N
Total Dissolved Solids
690000J-
Vanadium
5.2
MW-23D
MW-23BR
Analyte (Ng/L)
Analyte (ug/L)
Chromium (VI)
0.089J
Antimony
1.21
Manganese
280
Thallium
0.55
a'
Vanadium
1.38
., MW-318
-� Analyte (Ng)
}
3 A
k"
Boron
Cobalt
Iron
Manganese
Vanadium I
e
p.
AN. �
4 7
0l
AS-2D
Analyte (Ng/L)
Cobalt
2.1
Iron
2,900
Manganese
1,500
pH (field)
6.32
Vanadium
1.6
MW-315BR
Analyte (Ng/L)
Chromium
24.8
Cobalt
2.2
Iron
1,300
Manganese
1,800
Vanadium
1.4
BG-5S BG-5D
Analyte (Ng/L) Analyte (Ng/L)
Cobalt 2.1 Manganese 910 GWA-10D
Iron 890 Ana to L
IY (Ng/ )
GWA-7S
GWA-7D
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
17.7
Cobalt
2.8
Iron
310
IronU61Manganese
950
ManganesepH
(field)
5.39
pH (field)
Vanadium
0.38J
ya.
GWA-9S
GWA-9D
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
9.3
Cobalt
1.2
1 ro n
5,100
Iron
3,290
Manganese
220
Manganese
640
pH (field)
5.55
pH (field)
6.4
Vanadium
5.1
Vanadium
1.8
AS-8BR
AS-8D
Analyte (Ng/L)
Analyte (Ng/L)
Iron
466
1 ro n
2,900
Manganese
9101
Manganese
1,140
Vanadium
2.71
Vanadium
1.88J
MW-9D
MW-9
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
6.4
Boron
1,000
Iron
990
Cobalt
1.5
Manganese
1,000
Iron
2,600
Vanadium
2.3
Manganese
600
Vanadium
11.1
AB-25S
AB-25D
AB-25BR
Analyte (Ng/L)
Analyte (Ng/L)
Analyte (Ng/L)
Antimony
1.6
Antimony
1.7
Chromium
30.1
Arsenic
96.4
Boron
840
pH (field)
9.12
Manganese
72
Manganese
180
Vanadium
5.5
Vanadium
13.3
Vanadium
0.69J
500 0 500 11000
SCALE (FEET)
MW-301BR
Analyte (Ng/L)
Iron
383J+
Manganese
410
Vanadium
1.8
GWA-2S
GWA-2D
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
2.3
Antimony
2.2
Iron
909
pH (field)
8.98
Manganese
94
Vanadium
0.57J
pH (field)
5.74
Vanadium
1.3
AB-15S
Analyte (Ng/L)
Antimony
6.7
Arsenic
442
Barium
810
Beryllium
12.1
Chromium
50
Cobalt
34.1
Iron
5,800
Lead
77.4
Manganese
170
pH (field)
8.51
Thallium
3.4
Vanadium
254
GWA-11S
GWA-11D
Analyte (Ng/L)
Analyte (Ng/L)
Chromium
15.6
Cobalt
1.4
Cobalt
3.3
Iron
1,700
Manganese
1,200
Manganese
810
pH (field)
5.83
Vanadium
1.2J+
Vanadium
0.52J
Analyte (lag/L)
Arsenic 16.
Manganese 67
Vanadium 1.
AB-30S
AB-30D
AB-30BR
Analyte (Ng/L)
Analyte (Ng/L)
Analyte (pg/L)
Antimony
Cobalt
2.6J
Antimony
1.5
Iron
Manganese
490
370
29
Chromium (VI)
1.38
Manganese
1,500
Manganese
430
Vanadium
0.91J
pH (field)
4.92
Vanadium
0.86J
AB-10S
AB-10SL
AB-10D
Analyte (Ng/L)
Analyte (Ng/L)
Analyte (Ng/L)
Antimony
1.3
Antimony
9.8
Antimony
1.9
Arsenic
233
Cobalt
1.8
Cobalt
1.1
Cobalt
8.5
Iron
2,900
Vanadium
1.5
Iron
7,600
Manganese 250
Vanadium 14.6
Manganese
860
Thallium
0.54
Vanadium
3
MW-308BR
Analyte (Ng/L)
Iron
1,910
Manganese
2,200
Sulfate
323,000
Total Dissolved Solids
844,000
Vanadium
0.84J
U U U ai U UU e
U U lb
UU U UU
ROCKINGHAM COUNTY, NORTH CAROLINA
Us
U Cb
UU u
Antimony
7440-36-0
1*
Arsenic
7440-38-2
10
Barium
7440-39-3
700
Beryllium
7440-41-7
4*
Boron
7440-42-8
700
Cadmium
7440-43-9
2
Chloride**
16887-00-6
250,000
Chromium
7440-47-3
10
Chromium VI
18540-29-9
0.073
Cobalt
7440-48-4
1*
Copper**
7440-50-8
1,000
Iron
7439-89-6
300
Lead
7439-92-1
15
Manganese
7439-96-5
50
Mercury
7439-97-6
1
Nickel
7440-02-0
100
Nitrate**
14797-55-8
10,000
Nitrite as N**
14797-65-0
1,000
pH (field)
PH
6.5 - 8.5
Selenium
7782-49-2
20
Sulfate**
14808-79-8
250,000
Thallium
7440-28-0
0.2
Total Dissolved Solids**
TDS
500,000
Vanadium
7440-62-2
0.3*
Zinc**
7440-66-6
1000
1 - North Carolina 02L Groundwater Quality Criteria.
2 - North Carolina Interim Maximum Allowable Concentration (IMAC).
* Interim Maximum Allowable Concentration (IMAC) Criteria Value
3 - North Carolina Department of Health & Human Services (DHHS)
Health Screening Levels for Drinking Water Supply Wells Criterion for
Hexavalent Chromium (Chromium VI).
** Unit reported in mg/I in standard, converted here to ug/I to match
units displayed on figure.
All units show n in ug/L except for pH w hich is standard pH units.
NOTES:
U = NOT DETECTED ABOVE THE LABORATORY REPORTING LIMIT
J = ESTIMATED CONCENTRATION
<3.0 = LESS THAN THE LABORATORY REPORTING LIMIT
J+ = ESTIMATED CONCENTRATION BIASED HIGH
J- = ESTIMATED CONCENTRATION BIASED LOW
mg/L: MILLIGRAMS PER LITER
pg/L: MICROGRAMS PER LITER
GWA-10S, BG-1 D, GWA-14S, AND GWA-15S DRY AT THE TIME OF
SAMPLING
GROUNDWATER ASSESSMENT MONITORING WELL
GROUNDWATER ASSESSMENT TEMPORARY MONITORING
WELL
Q' CLOSURE OBSERVATION WELL
COMPLIANCE GROUNDWATER MONITORING WELL
VOLUNTARY GROUNDWATER MONITORING WELL
- - - - DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT WITH DUKE
ENERGY PROPERTY BOUNDARY
DATE
NOVEMBER 2015
FIGURE
2-1

�II. ,I I_' �":,IaI '`11I1-.I1,_ ...oF1':pw_' "Il:- *1'-.aI .0.i'LIrI _�0l-I.I,A" . .._p1.II . 1r"1I'.1.,1, I1I,, IN1..- 11.. 0If,. , .I . . 11I-.. 0-Iv1I � - 'II7'I ' &I�'_I4
"_'" -, .. "I. IL ' 1,4'_. ;7 -I�tI. I. ,.., T.-- _-,, ­1
3 :;'-.
G s : - -
�I. 1.j'A4 e.I-'', � . - . "^II!.t4o"-rk4e-',".\.I. -­1I-s1 . T I '
�'. ft. I I\-
-%,-) �- 4IN. ­.,"III.II1 . I .1V! -. I4 4_.I,T1. ,.. 1-' -'%I-.11 I 1P 1I'' "11 .-I 1. I '�'1 I1' -$'. ..%'-,.. I"1.I , ,I - 9...
I1, I; ._T ,'",'- '_C.".",. lI.I ylf-
�. -.��.",_L."_I..�0-'4' i:." 01. - l�1-W'I";';t`i.
I. ' -*, ,.1-1ft,�. .''w,oL7I-. , _; "- 0- -, --".411^ � .j I0_s:�.�S iI.'1I1,'V --­�I...7,,.,-
I-7F .-. - , ...-, 1I�1-''. -W "13.II� I _0 "I,I- II-I0
,,: ­..N1." C\1iI --.I- ,I,
_
-.i . 11#19116, -:.11
., .1. --I ... ,I-11 .I�-, I_A��
I . ',� �-,_i 4 A1M ! w
w s t, s.«1.. ; - ,S*4:,."..
.
s
' "R
,,. Icy
• tom"'► ra. r i w Yr � 4a II
z dI
II
5 .'fir ~' 1.
1 . .ys �h, a:'' h IT".
T c.. t.. " } •. . t. _ , ,.. -: .. .., lei. , - -J.
♦ b _ , t v
3� w - i rR. A ��. r, 1�
.� � r R, .
r
'.
r,_.
Y a. 4,
. AS 10D
,
1
a. L : , .e , . A? V 1 --- r .::'., rat.. . `- g+:,
,
x
4
, - { , _aR.s ,: , yr.
- - ,
> E„ ,- Sa e e t t 4 4.5 15 15.5 r 1 4 r .. :
,, �+► - ,. F r. r, . a - Sam le De t h ft 30 31.5 40 40.5 102 104 Y,
Yrn r
,
i 6 � • K
- '.rr , C.: q:i a. T i. ..'.: -d1i rF' :. 'iJ� f. >( T. '�' !k _,5�..
-? .., !r,. /F $OII $III w .: _. x,. ? i:� T a�v + k:. ,qi,, ;! _ "t
" .. .&
IjI
_, r , gg ��({
.-. / t .. .� �... 'r 1 .:r,, c¢tRr. : ,. 3`�:: ..1 :.'LLc 'f:. ;.(°r` fe tl:..
:n - r - ,y 7 ,,. ,. 'i, i a ,. / ,
. V $OII $OII $OII
y'. _ -' _ .: a� _ _ r ,. ,r'.i" 7 1 s r: �., 1 ,. 3K.. Ai ,i:,
r _
:: p., . , . - • , .. a 1 Y.. ... Ali' X-,+,- a er •:. `:J=' a '
w _ Ana to k a.
/ - .. : :: �
ro IY (m9 g) h } f : x
,.
'" Analyte (mg/kg) .� -•,f 1 "f.x tiLL
- - - , 6 w pt r is v,
_ 9.3 14.3 _
9
Arsenlc.. r.{`
+
j'
; :: M . DNE DNE 9.4 1_ 1,
,.<."_ ..' fir. >l. Arsenlc w � � �.
- - Y, , <_ ,.
.. - 24 7 2 w P , _.
• Chromium
g r � :1
P m I h f ..- .,- �. �. Sa eDet t - 1-1 2-21. :. ..
t�
:.:'
/ °: �. P P ( ) 565 5 65 0 5 10.6 23.5 28.6 ,, r
s 6 "V� �, :. Chromium _ r. '.
" f ': "..' � , -. � Soil Soil Soil Cobalt 18.9 13.1 AS-6D
• "`. Cobalt
.
-f r 33 3 20 2 16 3 Sample De t 4t 21-22.5 'e
., P P ( )
IC
N
-
. . 32 400 31 900 .;
,
,� .• ,1f, '" Analyte (mg/kg) Iron r'. Iron 27,800 42,200 42,400 Soil ,+, ., Sample Depth (ft) 4-4.5 19.5-21 39.5-41
,4'¢ `'� Arsenic DNE* 8.2 8.5 Man anese 333 1020
'' Soil Soil Soil
., A% GWA-9D g °_,i�:;*- Manganese 652 J 835 671 Anal to k
i ,
I ) ; " - i, 26.2 34.1 36.1 Vanadium 33.4 48.3 + Y (mg/ g)
Sample Depth (ft) 20-21.5 30-31.5 40-41.5 55-56.5 Chromium - '� Selenium 2.7 J 3.3 ] 2.8 ] Analyte (mg/kg)
�,�w Chromium 7.8
f- �;� Cobalt 18.3 17.5 26.2 "+ Arsenic DNE* DNE* 11
., , j+ Soil Soll Soil Soil - Vanadium 29.5 22.6 26.5 Cobalt 5.5
. r Analyte (mg/kg) Iron 35,400 43,200 44,800
' ` �� " " - •�"'r� Chromium 18.8 17.2 60.9
Chromium 18.8 10.6 6.4 28.1 "`" Manganese 273 479 396 1 '�i' _ 91390
Cobalt 1. 10.4 20.6
�� . a '-�' } �.k' eJ,.., J, • Manganlese
29.2 32.6 33.2 ' 1 - • MW-303BR Iron 31 400 33 600 53 500
Y _
�', - Vanadium 11.5
' �" - Cobalt 10 5 16 8 9 3 16 7 Vanadium �:a, , .1,
- ' .' ` Iron 16,500 16,900 12,200 55,900 ' _-._ Sample Depth (ft) 10-11.5 80-81.5 90-91.5 _ Manganese D 293 606
.,r ,, GWA D NE*
J�
`" Sam le De th ft 19-20 24-25
` ■ , 267 275 328 5170 Soil Soil Soil P P ( ) Vanadium 36.3 35 29.2 h"
.ta
Manganese
z
.• f r, Soil Soil
a� 6' '*�; 4 ' '- I' , r'f 4f Selenium DNE* DNE* DNE* 7.8 Analyte (mg/kg) - yy Ali qli f�,F,, .m„r.,p _ '�"v
'& , - . '* .c 15.5 14.9 8.4 18.7
- Arsenic 39.9 DNE* 16.2 ' Analyte (mg/kg)
• - , f nad m 13.4 26.2 27.2 Chromium 30.6 20.2 .� - GWA-3D
�. Va ium
;� - ,rr Chromiu
air." ,> f, A .: ~ ' - - -
${,
r, r: Cobalt 49 6 8 3 10 6 ]+ Cobalt 18 6 13 8 Sample Depth (ft) 5 6.5 20 21.4 25 25.9
s y r.
/ _ 4 Y AS-8D ,, Iron 16,60 45,90 25,30
_ M 468 465
0 0 0 Iron 48,300 35,900
Soil Soil Soil
-- I : Sample Depth (ft) 27 28.5 32 33.3 � -, o ` Manganese 526 104 133 anganese . � Analyte (mg/kg)
�' Soil Soil Selenium DNE* DNE* 6.7 ]- Selenium 3.
23 J DNE* Chromium 12.7 14.3 14.7
" MW-317BR
_, r . ',.ln_id _
-T_ 1I
,-1'k"-!,�r r ,'' �"&op* V1�-,.. " ., t.._.
`-_I'� -k ----- '-l�TI'I
-'�- , -
I 2 29 , 0 •0 '0
. �- Sample Depth (ft) 10-11 15-16 tau Analyte (mg/kg) i J• Cobalt 7 1 31 5 10 7
" Vanadium 34.2 45.8 25.9 Vanadium.
' ,. ' > Soil Soil Chromium 7.6 12.9 1% II'
. -. r+ l ., e Manganlese 283.70 39410 14810
�+' Anal to k Cobalt 11.1 18.8
�': Y (mg/ g) Vanadium 11.3 30.6 24.9
A,
Chromium 15.7 21.6 Iron 15,500 21,700 -.
1'" 4
x.. .
7.5 18.9 � Manganese 291 576 "'-
Cobalt
{
w..
r
AS-2D
j.
NA
14 m- ' :.1 ` :.�+�`; . " Vanadium 15.2 23.8
.Y � ,� Iron 18,500 39300 ]+ C _ ample Depth (ft) 3-5 5-6.5 20-21.5 30-31.5
rLI" s „: "� . Manganese 69 661 '. Soil soil soil soil
S
Asf Selenium 5.3 ] 4.3 )- IY (mg/ g)
Ana to k
,,,, Vanadium 21.5 32.9
15.2 14.5 17.7 16.9
ur Chromium
^'""� `.„ Cobalt 14.2 17.6 12.5 8.6 {�
r, r
F' i
1' Sample Depth ftWA-80 15-20 20 22 ,, t Iron 26460 25930 31630 21930 F
p p ( ) Manganese
.a Soil Soil Soil ., Selenium 3.8 J- 31 DNE* DNE*
,, --Analyte (mg/kg) ,. Vanadium 23.7 21.2 27.8 18.7
.- Boron DNE DNE 47.13
ally N A Chromium 28.8 29.6 32.9 0, ,
.i.
Cobalt 5.7 16.9 16.9 .: -*
20 900 32 100 46 500 •a Na�' `y N.t SW-4 Sample Depth (ft) 0-0 t
Iron - GWA- D
•
. _
' 122 938 326 r �, Sample Depth ft 0-0 SD
4
_, .'y
.� < Manganese GWA-11D P P ( ) Sample Depth (ft) 28-28 33-33
Vanadium 35.8 39 50.2 1 r ` nalyte (nV/kg) Soil Soil
.- 4 Sample Depth (ft) 10-11.5 25-26.5
Analyte (mg/kg) Arsenic 73 Analyte (mg/kg)
Soil Soil _
SB-1 r,_ • 11.4 � Cobalt Chromium
Chromium 15.4 Chromium 14.4 13 16.5
Analyte (mg/kg) Cobalt 13.1
ample Depth ft 1-2 10-11.5 15-16.5 20-21.5 25-26.5 35-35.5 S P P ( ) Chromium 9.9 15.2 Cobalt 7.7 11.9
Soil Soil Soil Soil Soil Soil 1 C • 9.5 22.4 Iron 21,500 Iron 15,100 Iron 19,000 27,500
Analyte (mg/kg) -`� -nr "�` Cobalt Man anese
* * * * * C Manganese 432 Manganese 382 11 288 436
Iron 16,900 32,900 Vanadium 32.3/anadium 28.5 g DNE* 33233 ffi
233 1 Selenium
Arsenic DNE DNE DNE DNE 20 DNE `_ Gr .
Man anese ,330
Chromium 21.9 32.7 19.9 28.5 17 15.4 - `' ' g Vanadium 16.1 20.1
Selenium 3.3 3.4]- ,.
°3" Cobalt 7 ]+ 18.9 16.2 14.6 26.2 12.5 , -
r.; Vanadium 21.4 22.7
1 Iron 41,800 95,900 54,700 54,800 39,300 28,500^ ` CAS N NC PSRG P t GW
,.• GWA-14S Analyte o. ro .
Manganese 113 418 202 145 328 304 `�, '' _
Vanadium 39.9 49.5 38.7 54.4 19.1 16 .
Sample Depth (ft) 4-6
, soil Aluminum 7429-90-5 NS
MW-23BR^
Ii
F.
?u ` Analyte ( /kg Antimony 7440-36-0 0.9
,r t: .1 m9 )
Sample Depth (ft) 1.2
-; §, ;
r ,� ='r _ S-2 Chromium 26.3 Arsenic 7440-38-2 5.8
Soil 1''' � .. r~,. i - Sample Depth (ft) 0-0 Cobalt 18.7 Barium 7440-39-3 580
.
<' Analyte (mg/kg) .,4 '-' k 4.,,. .. • 1 SD Iron 57,900 Beryllium 7440-41-7 63
GWA-12S GWA-12D 1 • ' g Boron 7440-42-8 45
Arsenic 9.3 °• - Analyte (mg/kg) Man anese 597
29.1 Sample Depth (ft) 13-15 Sample Depth (ft) 10-11.5 15-15.2 20-21 .� > Arsenic 6.93 Selenium 10.2
Chromium .; Soil Soil Soil Soil, Cadmium 7440-43-9 3.0
Cobalt 24.7 Chromium 11.9 Vanadium 50.5 Chromium* 16065-83-1 3.8
Iron 50,500 Analyte (mg/kg) Analyte (mg/kg) S-3 ,
Arsenic 30.6 Arsenic 14.8 15 6.9 a :k , Sample Depth (ft) 0-0 balt 4 Cobalt 7440-48-4 0.9
Co 1 6
Manganese 1,050
p 51.4 Boron 60.11 Boron 62.1 53.8 J 63.1 1 Iron 12,400
Vanadium �� SD Manganese 1,130 Copper 7440-50-8 700
Chromium 48.7 Chromium 46.2 42.9 187 - Ana to k ", Iron 7439-89-6 150
-- Cobalt 23.9 Cobalt 27.2 22.5 21.5 . # t J. .ry ( / 9) 14.3 Lead 7439-92-1 270
Vanadium 18.9 .� 6
•i" - Iron 58,700 Iron 63,300 52,200 62,500 4 '�: _ _
C romium
Cobalt 12 0
�.,� , W Manganese 7439 96 5 65
,11II _k''7-7.W_
Manganese 698 Manganese 916 823 1,120 i ti _ T. ron 3,6 ercury 7439-97-6 1.0
�• GWA 5BR
-, 67.2 Selenium 3.9] DNE* DNE* b - ``` Man anese 14160
x Vanadium I . ! fi „w ; g Sample Depth (ft) 0-4 5-6.5
M
. `"" a '
. .� .
,�}cf' h ,,;� y f Vanadium 75.7 65.1 56.9 "Yi: 4 - .� ;, Vanadium 27.2 Soil Soil - -
Molybdenum 74397 7 NS
0' �I1., . 1. .. L'­j -I -, . '0 r4I- :­. ' '1 �;Ir'.. 1 z11 1,4I P ' 14I.. :4 , I :I-J,4A 0 ,j.1I, X1.1411.t1I1W1- I`4. ­/ �_,.­'11 I '- I-'-4.1.
„"` _ f". , 1:: • Nickel 7440-02-0 130
- ..'`,� Analyte ( /k9
SB-2 ; . - • 1: ,
m9 )
�I. Nitrate 14797-55-8 NS
Chromium 38.2 34.2
`` Sample Depth (ft) 1-2 10-11.5 20-21.5 30-31.2 35-36 65-65.3 « ire, 4 , Selenium 7782-49-2 2.1
r, Soil Soil Soil Soil Soil Soil _ - 1 1 - TO
1f. II. �M'o.w.I N'ftjI.I i __ I - I. . . , . I ". .
Cobalt 2 6 5
*1,;.- M". a- .'
THE LAIB
ORA
. �. r , +
r
+" �r_
Iron 36,600 30,90o Silver 7440 22 4 3 4
,,,Analyte (mg/kg) Sg_g ,T. Manganese 893 744 Strontium 7440-24-6 NS
Y RI
E.
PORT
Arsenic DNE* DNE* 10.6 9.2 DNE* 8.6 Sample Depth ft 1-2 10-11 20-21.5 35-36.5 40-40.3 45-45.2 _ _w. Vanadium 73.9 60.5 Thallium 7440-28-0 0.28
,s1 Chromium 20.3 30.9 111 34.7 27.1 361 P P ( ) ,- fk:,, SW-3
•'� • Soil Soil Soil Soil Soil Soil
Sample Depth (ft) 0-0 Tin 7440-31-5 10,000
' '' Cobalt 13 12 42.6 20.1 12 21.8 p Analyte (mg/kg)
GWA-15D
Iron
30 300 49,100 60,300 42 700 37 100 49,200 .�a * * * * * SD Vanadium 7440-62-2 6.0
Arsenic 7 J DNE DNE DNE DNE DNE r Ana to k Zinc 7440-66-6 1200
g 233 256 1 150 395 837 433 Chromium 285 Sample Depth (ft) Soil1 8 I1
lY (mg/ 9)
Man anese 18 19.3 17.7 12.8 19.1 21.1
g -, :- 21.3 41.4 33.8 24.2 26.2 34.1 Cobalt 8.9 ]- 16.1 7.5 22.6 12.8 10.9 Arsenic VI f
vanadium Ana to Chromium standard shown is for Chromium or co parson.
Chromium 3
No available standard for Total Chromium
&ry ., , , Iron 33 600 27 700 28 800 34 400 26 700 28 700
_ti �. ,�9 a: " �:`'y Cobalt 45 ry Chromium .
Man anese 200 601 82.7 2,840 289 274 17.1 Cobalt 11.8 165 JJ 9 9• "t' - �• ':
All units shown in m /k
I g - 0 0
. " >
1;l�ir. 1( MW-318D �. 0,4. Vanadium 37.3 35 34.3 21.5 27 28.6 1 Iron 32,000
SW 6 Iron 21,5 0 21,3 0
,,, ..,
Manganese 3,880
Sample Depth (ft) 0 0 Manganese �73 383
'' Sample Depth (ft) 24-25 29-30 , A, � `. 1,;; - °19 ° '
__
• Soil Soil ` ` f-'<�<"Vanadium 58.8
,_... i SD
.. w'4"".' - .. Vanadium 5.9 43.6
,L -
Analyte (mg/kg) ,• ,, . - j- 1 Analyte (m9/kg) 12.3
Chromium 17 11.3 - BG-SD Chromium 4.5 ]
Cobalt
Cobalt 7 10 x ' Sample Dept ft 1-2
p P ( )
Iron 9,010 r NOTES:
Iron 18,900 24,900 , , , 4 = NOT DETEC D BOVE TH L BORATORY REPORTING LIMIT
•, Manganese 429 470 x Analyte (mg/kg) U TE A E A
Manganese 136
Vanadium 24.7 18.1 ' °' .'" _
Chromium 40.2J- 1-- j "' J = ESTIMATED CONCENTRATION
Vanadium 15.8
_ SW-5
LIMIT
' AB D
30
Cobalt 6•$3- r J+ 0 ESTIMATED CONCENTRATION BASED HIGH
, ,� . ;q Sample Depth ft 0-0 _ .- r 3-5 5-16 0-31 5-46
P p ( ) ..
• Sample Depth (ft) 1 .5 3 .3 4 .5
f� Iron 30,400
SD J- -ESTIMATED CONCENTRATION BIASED LOW
- Manganese 113 Soil Soil Soil Soil
II : Analyte (mg/kg) Analyte Chromium 14.8 18.9 54.1 34.7
Vanadium 45.9
} �,, J � ,� # j';.'" Chromium 16.7 Cobalt 13.5 9.9 7.2 DNE* PSRG: PRELIMINARY SOIL REMEDIATION GOAL
/ . p ,- Cobalt 15.21
10II1.1' 1 '-0 .._�". ''-
Iron 19,800 23,400 52,400 6,400 POG: PROTECTION OF GROUNDWATER
t" _ t, 4 Iron 21,600 Manganese 746 361 120 76.3 ft: FEET
Manganese 753
M
- � I pl; : _ Vanadium 23 8 33 7 125 8 7
mg/kg: MILLIGRAMS PER KILOGRA
„ ,� r
T .
A, �,
.,
, Vanadium ,.
, ,.
..
.- _ .
• BOLDEXCEEDS PSRG FOR POG
I
w
n , . it +
J 1
:
x r �: AB 10D
+ :. w, -
1. a' N a ! " • x s -315BR00 4- _: I 111 -­ Sample Depth (ft) 10-11.5 45-46.5 60-60.7 `
,,.., ,.
MW
w „ Sample Depth (ft) 24-25.5 34-35.5 .. :. • n' B-3 R A 5B Soil Soil Soil
z11, ran 7 r r SW-7 Sample Depth (ft) 25-26.5 30-31.5 Ana to k
• Soil Soil /
11; 4" + = � I Sample Depth (ft) 0-0 Soil Soil 4Ch omgum 16.3 33.4 12.70
4,
-"
^° „°; An I t k
= SD Analyte (mg/kg) Cobalt 11.9 13.1 5.53
", � , Ai',' , , . ti Boron DNE* 50.6 ] 20.6 12.7 .
-1 0�9 W I ­6. -1II
", . Chromium LEGEN
,r� Analyte (mg/kg) Iron 26,700 27,200 12,700
:_ a •: , , , . r _ Chromium 17.7 26.5 D.
°+' i
II
i -. Y
.. __# �` Cobalt 39.4 30.4 U e Chromium 6 5 Cobalt 11 5 10 276 890 207
• Manganese
11
' m&'7, . .1. . ,I1
..-' -
.It .. �1- 1 ­d.L -I:LI. WI" ' '-111
I .I . I"I
-ffi1,"W
<, R l
»� A,� Iron 42,300 53,300 ri Iron 5,850 Iron 24,300 22,000 "` m 19 6 61 s s 1 SEEP AN D SEDIMENT SAMPLE
D 133 Manganese 413 338
Mr
6.
I.
rI
I.
.
1
QQI
Vanadiu
fir, 4r 1600 1530 Manganese
,,.f.^Y*'.: ., J an ad i u m
` Manganese . 9 15 3
'" �.' °, Selenium AB-25BR
49] DN
- LOCATION
Vanadium
-1, °�`+� a Vanadium 32.2 37.5
Sample Depth (ft) 45-46 50-51
`*� _ ,#fin 1t . - .' ,, / 1 'k �°'"E 1 -, $Oil soil SURFACE WATER SEDIMENT SAMPLE
_ " 4 k� �'. ,d.
� ', V,,., v �v"/ � � f ». `' Analyte (mg/kg) - AB-15D
T z �.. MW 310BR
s , fir& �" GWA-10D
Arsenic MW-311BR Sam le De th ft 10-11.5 25-26.5 35-35.4 p p ( )
71.8 7.8 P P ( ) Sam le De th ft 26-26.5 LO CAT I O N
" ', I I,--
.--- � GWA-6S Sample Depth (ft) 44-46
,I-1
, , ,i;< S Sam le De th ft 9-11 13-14 Soil Soil Soil Soil
`_ a . ( fi ample Depth (ft) 9 10 19 20 25 25 28 29 27.6 29.7 Soil
� 4 ., ef.�. .. soil soil soil soil 11.9 10.4 Analyte(mg/kg) ,r` Analyte(mg/kg) A '` GROUNDWATER ASSESSMENT
n#
t„as�y, a'i1;rvrwi,a
y : 7: p P ( ) r Cobalt
�.* f�� 'r Analyte (mg/kg)
�.,�,K``r.� _ �.. Soil Soil ^'. lY (mg/ 9)
...' ' - Ana to k �
„ y. 1� Chromium li 4 29 5 23 Arsenic 9
�" ' T' Chromium 14.9 67.1 20.2 26.1 Analyte (mg/kg) Iron 22,500 16,900 Chromium 27.9 _ MONITORING WELL
A a BG-1 D
<: 18.6 11.1 16.1 15.7 Chromium 8.9 24.7 Manganese 494 332 12.6 Cobalt 7.5 14.4 26.3 Chromium 23.8
Cobalt
t Cobalt Iron 19,400 36,400 29,100 Iron 26,700
,.,=, f Sample Depth ft 0-2 Selenium 5.6 J 6.7 J A.
' '' Iron 27,500 40,000 40,100 36,700 P P ( ) '
��- Cobalt 35] 136 d 832 832 WATER ASSESSMENT SOIL
Iron 23,700 g 225 260 1 010 GROUND
" =; ', ,,, Soil `"- . Vana ium Man anese Vanadium 55 4
Iron 5,260 20,300 �. Manganese 543
- c� Manganese 247 376 373 449 - g Selenium DNE* 4.9 ]- DNE* r- **'.
' " » , * * * Ck Analyte (mg/ kg) Manganese 97.9 237 m 48.6 a' . ,•r BORING
•." Selenium DNE DNE 3 ] DNE 15.5 r ._ Chromium 12.1 52.4 Vanadium
Vanadiu 18 8 35.5 31.6
p
F ' I ti 26.6 20.8 22.5 24.7 5.6 ]+ :',.:. Vanadium Cobalt ,, '�
a _
1 GROUNDWATER ASSESSMENT
p " h �, -
7
�fy Vanadlum _
w :r: J:gp i ^ _ 1.
. T
SW 8
""`f .. .': - , -� ,, ,. t. Iron Sample Depth (ft) 0-0 v -::w' ,.
r y�r ww 177 ... TEMPORARY MONITORING WELL
h L, a, „ �� MW-22BR .
Manganese
•.,. ., ,, 1 f _ ', .
4f'
SD
_ F, ._ GWA 7S
n ,' F L e r
v
-.I'l ".-. ._I-I,-II'l-14: Pl, 7-P.. i-..... A\�z7A ' '... �. 0_� %7_,, . I "011 ­1 '.I 1I­ . 1..\.- , .) I ::: '% � k .i.I .. I.i_" - ]
-�-� _-"
"I1,
,.. 1.,�,,.#,. ,, r.. Vanadium 27.9
__ fa.. f�"....f"-
-''- -6,�,1I ILL'- '% .,�&i,`r, '�....e'.
I.
Anal to k _ _ Sample Depth (ft) 7-8 17-23 27-29 29-31
4''' a �r ,, • „�, Y (mg/ g) Sample Depth (ft) 16 17 22 23 k
. I ._.0Ir,,I' I �I ,L--.�.r.- .I r, ::I .I.I. -'.*JIIo '.r -4'T..II 71�*1.. ,4"..p I"."' I r1rfI. II1 ";__#"1'."_ -''II ' "IAM�., l;'I a!__'1",t_, .i_V"I*.jI11 I -1_�41."'1,I'0 ­7"I-;4-'_1 Ix- #-.. I 1.I-,0.?'AI Vir,. i...' "",M. k,A'I.�- 1R r;I I I. r-'.,171-I 4P4 L 1"i.1_r, ..1 -..' .,
...I r L- ,..1-� ,�, �­,r.L -. -II ''L,.. ' I A -II -.- .O, _'r i;z I" n 1;I
"1- L L ef** .L ' " IL '.-.' ., .IL r"­�f
1
CLOSURE OBSERVATION WELL
N , a =. a�` �. . Chromium 9.4 Soil Soil Soil Soil
.
w ¢<:��', Soil Soil
�-
";.1, '. k a`.;.. r .:. : 3.9 ] Analyte (mg/kg)
M a� . �r. ,, rs , >, Anal to k
Cobalt Y (m9/ 9)
g �a� �' ...� 51.2 30.7 6.5 16.6
COMPLIANCE GROUNDWATER
K _- - ? , . Iron 7,4
•' • .� ,�'' Chromium ,x
70 21 9 17 9 ,• Chromium +� ` ^-
E � ,' , ., r Cobalt 19.7 11.9 4.4 ] 11.8
. " .,.
,, , Manganese 181 Cobalt
N ..:.. , -- V ,:,. ..�:..� ... 96 163 - _ MONITORING WELL
®r� 4 , , '': r, 37 700 24 000 11 000 21 600 .
x :. r .,. 10.5 Iron
A. =• , _ _:,... F .. �, '' a Vanadium 17 600 25 600 ». 4,
;.. .. _, ., x . tr.{� Iron
E
�I , z » ' .1° .., e , . �X -314BR ., ;
.: } r, A 4
,,. - �t � .,..- �. ;- • '',. , � ., , M n n 359 310 968 �.
. . _ , i" r:. u _ �. a a ese
MW 693
g
r
�+ r,,.: e_ , Man anese 659 567 ,.: ,.
.I 4
' _ � � �:, ,• ,� �, x, ,, r',. � ,•ti :. � ; ,��" , :<. g Sam le De th ft 10-11.5 40-41.5 45-50.5 `>: '� ; :.-, _ ,,
Vanadium ,
w' �;„„3,r,,jj�,ti� * VOLUNTARY GROUNDWATER
s
,
, - � ,, m Selenium DNE 6.1 ;. I4F + r,
R: . .
:.
,
, Soil Soil Soil
�,.. , % 28.1 22.8 .
,q "-r- -'
fi 4'
Aj ., -. :t Vanadlum MONITORING WELL
Ana to /k ;
,,_m I 1'111-W. 1 _,J1,"'.&,,-1'"I ­r'7_`..;.­,I �. '. I7 16' .1'� " Fr1, 2, r. ,
'i'
ss Chromium 18.9 30.4 13.9
w,.N , : f x 1 - ,,.
.- ,; ii- -,: Cobalt 9.2 9.5 7.6 e }, ASH BASIN COMPLIANCE BOUNDARY
,
:" 0- * "` Iron 29,600 32,400 25,100 R �<<
aI" _ .
b.,, _ . 309 215 601 k:' "` "Manganese ej�.,}. �x.,- - �z: ASH BASIN COMPLIANCE BOUNDARY
_. , - , < r�
„t
r .
. ..
. 2 ,.a DNE* 2.8 J DNE* r �.
�. w.,:f
`� _ Selenium y� D}
�{ t
; �, 3 , ,.,' COINCIDENT WITH DUKE ENERGY
w: , Vanadlum
30.3 21 8 9.1
i
g 4 PROPERTY BOUNDARY
- ,gym. _ r.
I
.r
.
w r ." f _
•
',, is
.k
A X
x - - ._ y
°
r
ASH BASIN WASTE BOUNDARY
r 4
-
w..
I
-. r ..
a ,,. __- -
{r
T
., 1 a - - - DUKE ENERGY PROPERTY BOUNDARY
y , , . ;- 3 .. _':
.:
t ;: . ,
a. y
_ - _
, r � + .;
.
,
•
SOIL AND SEDIMENT ANALYTICAL RESULTS MAP DATE
500 0 500 1,000 DUKE ENERGY CAROLINAS, LLC OCTOBER 2015
DAN RIVER STEAM STATION ASH BASIN FIGURE
SCALE (FEET)
2-2
ROCKINGHAM COUNTY, NORTH CAROLINA

` .?'� a • "• _t. ...fie .
Q� oD OG�]
'A
BG-5S BG-5D
nalyte (Ng/L) Analyte (Ng/L)
Cobalt 2.1 Manganese 910
Iron 890
Manganese 110
Vanadium 2.6
SW-5
Analyte (Ng/L)
Fraction
Aluminum
90
T
Manganese
290
T
Nitrite as N
300
N
SERVICE WATE -
SETTLING POND
CCSWO02
Analyte (Ng/L)
Fraction
Dissolved Oxygen
4.47
N
Manganese
450
T
Turbidity, field
86.42
N
CCSW001
Analyte (Ng/L)
Fraction
Dissolved Oxygen
4.65
N
Manganese
160
T
♦ y
r D
o ,
0
o
m
�r
v
o �
♦ �i
.:
� .
�
p ; ' I ,
S r 0
go 00
r♦ ♦, "" I '
a ♦® * 00 M 00
s I /
NOTES:
U = NOT DETECTED ABOVE THE LABORATORY REPORTING LIMIT
J = ESTIMATED CONCENTRATION
<3.0 = LESS THAN THE LABORATORY REPORTING LIMIT
J+ = ESTIMATED CONCENTRATION BIASED HIGH
J- = ESTIMATED CONCENTRATION BIASED LOW
SURFACE WATER FRACTIONS:
T = TOTAL FRACTION
D = DISSOLVED FRACTION
N = N/A OR NOT CLASSIFIED
mg/L: MILLIGRAMS PER LITER
pg/L: MICROGRAMS PER LITER
SW-8
Analyte (Ng/L)
lFraction
-Copperl
2.81
D
ASH
CiT■nQA8!C 7
0
f`y
150 0 150 300
SCALE (FEET)
ASH
STORAGE
GWA-11S
GWA-11D
Analyte (Ng/L)
Analyte (Ng/L)
Chromium
15.6
Cobalt
1.4
Cobalt
3.31
Iron
1,700
Manganese
1,200
Manganese
810
pH (field) 5.83 Vanadium 1.2J+
Vanadium 0.52J
-Ak,
GWA - 5BR
Analyte (Ng/L)
Iron
307
Manganese
630
Sulfate
416,000
Total Dissolved Solids
873,000
Vanadium
0.49J
MW-21S
MW-21D
Analyte (Ng/L)
Analyte (Ng/L)
Arsenicl
16.8
Iron
550
Manganese
6701
Manganese
920
Vanadiuml
1.5
Sulfate
274,000
Total Dissolved Solids
639,000
SW-9
Analyte (Ng/L)
Fraction
Aluminum
129
T
Arsenic
51.1
T
Manganese
1541
T
Nitrite as N
1321
N
r1
SW-1
Analyte (Ng/L)
Fraction
Aluminum
613
T
Arsenic
15.5
T
Copper
3.39 J+
D
Nitrite as N
29
N
Zinc
212
T
C" R Et s -,,•
PRIMARY
CELL
_.
DRRC001
Analyte (Ng/L)
Fraction
Dissolved Oxygen
3.89
N
Manganese
2,200
T
GWA-3S
GWA-3113
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
12.2
Chromiuml
17.7
Manganese
533I
Cobalt
1.02
pH (field)
5,51
Iron
411
Manganese
122
pH (field)
5.7
GWA-4S GWA-4D
Analyte (Ng/L)
Analyte (Ng/L)
Cobalt
2.7 Iron
370J+
Iron
530 Vanadium 1.5
Manganese 590
*VVaadium 0.6J
ASH BASIN
SECONDARY
CELL
SW-4
Analyte (Ng/L)
Fraction
Aluminum
127
T
Copper
7.38J+
D
Nitrite as N
145
N
S-1
Analyte (Ng/L)
Fraction
Cobalt
4.88
T
Iron
5,720
T
Manganese
829
T
Vanadium
8.06
T
GWA-14D
Analyte (Ng/L)
Manganese
1 300
Vanadium
I 0.67J
KI
SW-3
Analyte (Ng/L)
Fraction
Aluminum
27,600
T
Arsenic
63.7
T
Chromium
33.6
T
Cobalt
15.5
T
Lead
1 20.11
T
Manganesel
1,8201
T
Nitrite as NJ
761
N
GWA-15D
Analyte (Ng/L)
Iron
840
Manganese
270
Sulfate
307,000
Total Dissolved Solids
705,000
Vanadium
1.5
AB-30S
AB-30D
I AB-30BR
Analyte (Ng/L)
Analyte (Ng/L)
Analyte (Ng/L)
Antimony
2.6.1
Antimony
1.51
Iron
490
Cobalt
29
Chromium (VI)
1.381
Manganesel
370
Manganese
1,500
Manganese
430
Vanadium
0.91J
pH (field)
4.92
Vanadium
0.861
GROUNDWATER, SURFACE WATER, AND SEEP ANALYTICAL RESULTS MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
ROCKINGHAM COUNTY, NORTH CAROLINA
F- 7
L..
PARAMETER
CAS RN
Z
O
N
a
0E
Water
Supply
SOURCE
Alkalinity, CO3
100 mg/I
NC WS
Alkalinity, HCO3
NA
Alkalinity, lab
100 mg/I
Aluminum
7429-90-5
T
87
NC FW
Antimony
7440-36-0
T
5.6
NCWS
Arsenic
7440-38-2
T
10
NCWS
Arsenic
7440-38-2
D
150
NCFW
As(III)
7784-46-5
T
NA
As
10103-60-3
T
NA
Barium
7440-39-3
T
1 mg/I
NCWS
Beryllium
7440-41-7
D
6.5
NCFW
Cadmium
7440-43-9
D
0.15
NCFW
Calcium
7440-70-2
T
NA
Chloride
16887-00-6
T
230 mg/I
NCFW
Chromium
7440-47-3
T
11
EPA -AL
Chromium (III)
16065-83-1
D
24
NCFW
Chromium (III)
16065-83-1
T
74
EPA -AL
Chromium (VI)
18540-29-9
D
11
NCFW
Chromium (VI)
18540-29-9
T
11
NCFW
Cobalt
7440-48-4
T
3
NCWS
Copper
7440-50-8
D
2.7
NCFW
Iron
7439-89-6
T
1000
EPA -AL
Iron (II)
1345-25-1
T
NA
Iron (III)
1309-37-1
T
NA
Lead
7439-92-1
T
2.5
EPA -AL
Lead
7439-92-1
D
0.54
NCFW
Magnesium
7439-95-4
T
NA
Manganese
7439-96-5
T
50
EPAHH1
Manganese (II)
1344-43-0
T
NA
Manganese (IV)
1313-13-9
T
NA
Mercury
7439-97-6
T
0.012
NCFW
Methane
74-82-8
NA
Molybdenum
7439-98-7
T
160
NCWS
Nickel
7440-02-0
T
25
NCWS
Nickel
7440-02-0
D
16
NCFW
Nitrate
14797-55-8
10 mg/I
NCWS
Nitrogen, NO2 plus NO3
NO2-NO3
NA
pH
PH
6.0 - 9.0
NCFW
Potassium
7440-09-7
T
NA
Selenium
7782-49-2
T
5
NCFW
Selenium (IV)
10102-18-8
T
NA
Selenium (VI)
13410-01-0
T
NA
Sodium
7440-23-5
T
NA
Strontium
7440-24-6
T
14 mg/I
NCWS
Sulfate
14808-79-8
T
250 mg/I
NCWS
Sulfide
18496-25-8
T
NA
Thallium
7440-28-0
T
0.24
NCWS
Total Dissolved Solids
TDS
250 mg/I
EPAHH1
Total Organic Carbon
TOC
NA
Total Suspended Solids
TSS
NA
Zinc
7440-66-6
D
36
NCFW
Zinc
7440-66-6
T
120
EPA -AL
PARAMETER
CAS RN
Z
O
U
a
LL
Class C
Source
Alkalinity, CO3
NA
Alkalinity, HCO3
NA
Alkalinity, lab
NA
Aluminum
7429-90-5
T
87
NCFW
Antimony
7440-36-0
T
640
NCHH
Arsenic
7440-38-2
T
10
NCHH
Arsenic
7440-38-2
D
150
NCFW
As(III)
7784-46-5
T
NA
As
10103-60-3
T
NA
Barium
7440-39-3
T
200 mg/I
NCHH
Beryllium
7440-41-7
D
6.5
NCFW
Cadmium
7440-43-9
D
0.15
NCFW
Calcium
7440-70-2
T
NA
Chloride
16887-00-6
T
230 mg/I
NCFW
Chromium
7440-47-3
T
11
EPA -AL
Chromium (III)
16065-83-1
D
24
NCFW
Chromium (III)
16065-83-1
T
74
EPA -AL
Chromium (VI)
18540-29-9
D
11
NCFW
Chromium (VI)
18540-29-9
T
11
NCFW
Cobalt
7440-48-4
T
4
NCHH
Copper
7440-50-8
D
2.7
NCFW
Iron
7439-89-6
T
1000
EPA -AL
Iron (II)
1345-25-1
T
NA
Iron (III)
1309-37-1
T
NA
Lead
7439-92-1
T
2.5
EPA -AL
Lead
7439-92-1
D
0.54
NCFW
Magnesium
7439-95-4
T
NA
Manganese
7439-96-5
T
100
EPAHH2
Manganese (II)
1344-43-0
T
NA
Manganese (IV)
1313-13-9
T
NA
Mercury
7439-97-6
T
0.012
NCFW
Methane
74-82-8
T
NA
Molybdenum
7439-98-7
T
2000
NCHH
Nickel
7440-02-0
T
52
EPA -AL
Nickel
7440-02-0
D
16
NCFW
Nitrogen, NO2 plus NO3
NO2-NO3
NA
pH
PH
6.0 - 9.0
NCFW
Potassium
7440-09-7
T
NA
Selenium
7782-49-2
T
5
NCFW
Selenium (IV)
10102-18-8
T
NA
Selenium (VI)
13410-01-0
T
NA
Sodium
7440-23-5
T
NA
Strontium
7440-24-6
T
40 mg/I
NCHH
Sulfate
14808-79-8
T
NA
Sulfide
18496-25-8
T
NA
Thallium
7440-28-0
T
0.47
NCHH
Total Dissolved Solids
TDS
NA
Total Organic Carbon
TOC
NA
Total Suspended Solids
TSS
NA
Zinc
7440-66-6
D
36
NCFW
Zinc
7440-66-6
T
120
EPA -AL
General Notes:
General Notes:
NA - Not applicable
NA - Not applicable
All units in ug/I unless otherwise noted.
All units in ug/I unless otherwise noted.
Fraction Code Explanations:
Fraction Code Explanations:
T- Total Recoverable Fraction
T- Total Recoverable Fraction
D- Dissolved Fraction (filtered samples)
D- Dissolved Fraction (filtered samples)
Source Key Explanations:
Source Key Explanations:
NCFW - Freshwater Aquatic Life (Chronic value if available) Criteria
NCFW - Freshwater Aquatic Life (Chronic value if available) Criteria
from the North Carolina 15A NCAC 02B Surface Water Standards and
from the North Carolina 15A NCAC 02B Surface Water Standards and
Protective Values & EPA National Recommended Water Quality Criteria
Protective Values & EPA National Recommended Water Quality Criteria
Triennial Review Combined Table
Triennial Review Combined Table
NCHH - Human Health Criteria from the North Carolina 15A NCAC 02B
NCHH - Human Health Criteria from the North Carolina 15A NCAC 02B
Surface Water Standards and Protective Values & EPA National
Surface Water Standards and Protective Values & EPA National
Recommended Water Quality Criteria Triennial Review Combined Table
Recommended Water Quality Criteria Triennial Review Combined Table
NCWS - Water Supply Criteria from the North Carolina 15A NCAC 02B
NCWS - Water Supply Criteria from the North Carolina 15A NCAC 02B
Surface Water Standards and Protective Values & EPA National
Surface Water Standards and Protective Values & EPA National
Recommended Water Quality Criteria Triennial Review Combined Table
Recommended Water Quality Criteria Triennial Review Combined Table
EPAHH1 - United States Environmental Protection Agency National
EPAHH1 - United States Environmental Protection Agency National
Recommended Water Quality Criteria - Human Health Table - Organism +
Recommended Water Quality Criteria - Human Health Table - Organism +
Water Criteria
Water Criteria
LEGEND:
- DUKE ENERGY PROPERTY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA WASTE BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE ENERGY PROPERTY
LANDFILL - LAND CLEARING & INERT DEBRIS
STREAM
f ASH BASIN COMPLIANCE GROUNDWATER MONITORING WELL
ASH BASIN VOLUNTARY GROUNDWATER MONITORING WELL
ASSESSMENT GROUNDWATER MONITORING WELL
SURFACE WATER AND SEDIMENT SAMPLE LOCATION
SEEP AND SEDIMENT SAMPLE LOCATION
NCDENR SEEP SAMPLE LOCATION
RIVER FLOW DIRECTION
DATE
NOVEMBER 2015
FIGURE
2-3
BG-1 D, GWA-14S, GWA-15S AND S-4 DRY AT THE TIME OF SAMPLING

n►►t►►.Evapor►atiIio►n/precipi►ta
lof
► ►
►► ► ►i ►►
►►I +► ►►
►
' ►► ► ►
►►
►► ►►
► ► ►i ► A'
I
1 h y
x >
I 4
s
� I
\ I'op$;' ;;;'., .. ✓'
1 8 aet4 la er�icie W?Yer Seftug , • . ; .. ' ' I
ea.. rear y
LEGEND
-I Approximate Pond/River Extent Unnamed Tributary with Flow Direction
❑ Regolith (Shallow and Deep Flow Layers) MMMOO.- Groundwater Flow Direction
© Fractured Bedrock (Bedrock Flow Layer) Cross Section Location A -A'
Areas of arsenic, boron, chromium, sulfate
Source Areas and total dissolved solids (TDS) 2L Exceedances
Note:
NC 2L Groundwater Exceedances
Arsenic - 10 ug/1 (micrograms per liter)
Boron - 700 ug/1
Chromium - 10 ug/I
Sulfate - 250,000 ug/1
TDS - 500,00 ug/1
*VISUAL AID ONLY - Depiction NOT to Scale
FIN
H Enp�irnrc�np, inc o9 ma caeoi�nas 5
W4 54hu[[ft 59rcN. 3u�M 1�J0] L���INIa ML Il303-Mi}
SITE CONCEPTUAL MODEL - 3D REPRESENTATION
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION
ROCKINGHAM COUNTY, NORTH CAROLINA
--Ash Basin
Secondary Cell
'Ash Basin
Primary Cell
DATE
NOVEMBER 2015
FIGURE
3-1

1 I 2 I 3 I 4 I 5 I 6 I 7
I
650
WE
550
z
0 500
a
w
J
W
450
400 L
0
200
HDR Engineering, Inc. of the Carolinas
N.C.B.E.L.S. License Number: F-0116
440 S. Church Street, Suite 900
Charlotte, NC 28202-2075
704.338.6700
400 600 800 1000 1200
DISTANCE (ft)
ISSUE DATE DESCRIPTION
SECTION
A
SCALE: HORIZ 1 "=100' -
VERT 1 "=25'
PROJECT MANAGER B. COSTNER
DRAWN BY:
-
DESIGNED BY:
-
CHECKED BY:
-
APPROVED BY:
-
PROJECT NUMBER
000000000266731
1400 1600
NOT FOR
CONSTRUCTION
:We
2000
2200
DUKE ENERGY CAROLINASILIC
DUKE
�. 'ENERGY..
DAN RIVER STEAM STATION
ROCKINGHAM COUNTY
NORTH CAROLINA
650
550
500
450
400
2400
NOTES:
1. CONCEPTUAL DRAWING FOR DEMONSTRATION
PURPOSES ONLY.
2. BEDROCK FRACTURES DEPICTED ON SECTION
DO NOT REPRESENT ACTUAL FRACTURE
FREQUENCY OR ORIENTATION.
D
LEGEND:
WATER TABLE SURFACE (JUNE 2015)
FI LL
ASH
REGOLITH
BEDROCK (FRACTURED)
LEACHATE
GROUNDWATER FLOW PATH
SITE CONCEPTUAL MODEL CROSS SECTIONAL
0 1" 2"
FILENAME FIGURE 3-2.DWG SHEET
SCALE AS NOTED FIGURE 3-2
C
10
vi

s : 1
1
_ x
8 '
BG5S
507.26
GWA12S
571.23
awi''I
liv
Wj
GWA9S
r� 580.3
MW20S
555.74
5"'i,l
awl,]
�MW12
571.17
GWA1 S
569.14
GWA2S
562.48
GWA3S
552.67
GWA11 S
NM
>>
GWA4S
GWA14S
_
506.09
N M
GWA15S
NM
MW21S
GWA10S
523.18 AB5S B
�493.74
~0
LEGEND:
514.09
521.88
GROUNDWATER ASSESSMENT MONITORING WELL
COMPLIANCE GROUNDWATER MONITORING WELL
VOLUNTARY GROUNDWATER MONITORING WELL
AB1 OS
GROUNDWATER CONTOUR LINE
AB10SL
520.04
498.51
- - - DUKE ENERGY PROPERTY BOUNDARY
�{p
ASH BASIN WASTE BOUNDARY
MW10
DRY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
- - - WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
AB25S
495.48
MW9
O Y ,;�MW22S
GWA6S 484.3
486.91
500 0 500 1,000
SCALE (FEET) F)l
O O O ®C RD
O O -0
O O O O O
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
NOVEMBER, 2015
FIGURE
3-3

BG5D
479.3
BG1D
499.73
10✓
GWA12D
563.44 GWA8D
566.73
MW12D
571.15Q�
GWA9D
579.15
GWA7D
524.87
GWA6D
483.72
MW20D
557.13
GWA1 D
569.49
GWA2D
AS10D 558.87
NM
AS6D
NM
AS12D
GWA3D
NM
549.35
AS4D
544.15 GWA11 D
NM
GWA41D
GWA14D5w]
_
500.15
NM
AS81D MW318D
NM 536.49
GWA15D
AS21D
MW21 D
NM
OW315D 528.21
497.02
NM AB5D
OW308D AB30D
�MW11
LEGEND:
GWA10D 521.38
524.54 490.52
D
GROUNDWATER ASSESSMENT MONITORING WELL
519.97
s9®l,J
493.13
CLOSURE OBSERVATION WELL
,l
COMPLIANCE GROUNDWATER MONITORING WELL
AB10D
VOLUNTARY GROUNDWATER MONITORING WELL
492.1
GROUNDWATER CONTOUR LINE
�MW10D
- - - DUKE ENERGY PROPERTY BOUNDARY
481.44
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
- WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
AB25D
490.77
MW9D
49�2.8 MW22D
NM
500 0 500
SCALE (FEET)
1,000
m F)l
P--
N N HN NP PN
N N _N
N N N N N
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
NOVEMBER, 2015
FIGURE
3-4

AS8BR
NM
MW315BR
NM MW308BR
521.24 AB30BR
505.97
MW310BR
NM �� AB35BR
509.53
MW311 BR
MW3148R 495.51
510.08
AB25BR
485.85
MW22BR
486.06
il
GWA5BR
496.62
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
GROUNDWATER CONTOUR LINE
- - - DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
STREAM
VK
r�
500 0 500 1,000
SCALE (FEET) F)l
DATE
R R R R" TR
NOVEMBER, 2015
R R R
R R R R R FIGURE
3-5
ROCKINGHAM COUNTY, NORTH CAROLINA

J[
_ 0.004
I All
' -
4kIW
_G AN
- o00 o C�VIaS
�0w ,Y
AQ
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
4o o COMPLIANCE GROUNDWATER MONITORING WELL
VOLUNTARY GROUNDWATER MONITORING WELL
-i 4' ° ;t '4 — — — DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
i'
ti n _ _ ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
' + STREAM
- -wa
r y't s
500 0 500
SCALE (FEET)
1,000
m
Y YYY Y
Y Y Y
Y Y Y Y Y
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
NOVEMBER, 2015
FIGURE
3-6

�
I
{
i
.�
"
4k'
i
a -
1
AB25BR
-O.U79
500 0 500 1,000
SCALE (FEET) F)l
LEGEND:
GROUNDWATER ASSESSMENT MONITORING WELL
- - - DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY
ASH BASIN COMPLIANCE BOUNDARY COINCIDENT
WITH DUKE ENERGY PROPERTY BOUNDARY
i STREAM
Y YY Y Y
Y Y Y
Y Y Y Y Y
ROCKINGHAM COUNTY, NORTH CAROLINA
DATE
NOVEMBER, 2015
FIGURE
3-7