NC0038377_Figure 10-61 to 68_20150902

80%
' 6096
40% m
t
2 0 96 .�
vo va
cl cl
a —
814
1410
synTerra
►J
AL
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synterracorp.Com
DRAWN BY: J. GILMER DATE: JUNE 2015
PROJECT MANAGER: J. WYLIE
LAYOUT:
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW
Assessment Plan\1.11 CSA
Reporting\Figures\Statistics\Piper Diagrams
0 96
6 0 %
40%
0%
■ ABMW-01
• ABMW-02
• ABMW-03
7 ABMW-04
Z MW-163
V ABMW-03S
V M-12S
at ABMW-04D
AL D -02
,L W-01
• W-02
AL W-03
AL MW-07D
1 MW-12D
k MW-16D
} ABMW-02BR
} ABMW-048R
} D-01
} CW-01 D
} W-02D
} W-04
} W-05
} W-06
} MW-03BR
} MW-05BR
} MW-07DR
MW-02
�} MW-03
MW-04
FIGURE 10-61
PIPER DIAGRAM — ALL GEOLOGIC UNITS
MAYO STEAM ELECTRIC PLANT
10660 BOSTON ROAD
ROXBORO, NORTH CAROLINA 27574

o q} a ABMW-01
• ABMW-02
; o • ABMW-03
V ABMW-04
o �
0
■
a t30
80% 80%
60% � � 6 0 % p
40% 40%
a CPO.
20% if A 20%
O, O, O� 1k 110
0 0 0 0
CaCI
148 RIVER STREET, SUITE 220 FIGURE 10-62
GREENVILLE, SOUTH CAROLINA 29601 PIPER DIAGRAM - ASH PORE WATER
PHONE [phone]
www.s nterracor .com
DRAWN BY: J. GILMER DATE: JUNE 2015
synTerra LAYOUT:
MANAGER:J. wvue MAYO STEAM ELECTRIC PLANT
LAYOUT:
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW 10660 BOSTON ROAD
Assessment .11 CSA ROXBORO, NORTH CAROLINA 27574
Reporting\Figures\ures\Statistics\Piper Diagrams

w a IrtVIpV �V,-1�1 / r8 �7
�� yy AL
1F�'�S1Q�M �V11 Vim�}}-��0 3 3
Cf a i IVIVV-12S
AL -ol
i� xa V CW-02
M-07D
z M -12D
80 ' E 80
°'�
60% " � c� � 60% 0
a
40% cl 40%
a
20% � E 2 0 %
7 7 7 0a loa �oa
a
FIGURE 10-63
148 GREEN ILLE,S ET,SUITE AROLI PIPER DIAGRAM —ALLUVIAL SAPROLITE, AND
GREENVILLE, SOUTH CAROLINA 29601 ,
PHONE[phone] TRANSITION ZONE
www.s nterracor .com
DRAWN BY: J. GILMER DATE: JUNE 2015
synTerra[P:\Duke
PROJECT MANAGER J. WYLIE
LAYOUT: MAYO STEAM ELECTRIC PLANT
Energy Progress.1026\105. Mayo Ash Basin GW 10660 BOSTON ROAD
Assess Plan\1.11 CSA
Reporting\Figures\Statistics\Piper Diagrams ROXBORO NORTH CAROLINA 27574

cp
a ■ ABMVV-020R
ABMVV-040R
61
;off �� 1 BC-01
CVV-01 D
o CW-02D
/ 40,
Z CVV-04
'a ■ CVV-05
cl J► CVV-06
V MVV-030R
MVV-050R
Z MVV-07BR
MVV-08BR
! MVV-090R
a 1 MVV-100R
IF MVV-110R
80% � 80% MVV-13BR
° C?, o MVV-14BR
60% � ,�� 60% Jr MVV-160R
ea MVV-02
40% 40% MVV 03
a co% r MVV-04
—1�1a a a a
0 0 0 0
Ca CI �!
410
synTerra
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601
PHONE [phone]
www.synterracorp.Com
DRAWN BY: J. GILMER DATE: JUNE 2015
PROJECT MANAGER: J. WYLIE
LAYOUT:
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW
Assessment Plan\1.11 CSA
Reporting\Figures\Statistics\Piper Diagrams
FIGURE 10-64
PIPER DIAGRAM - BEDROCK
MAYO STEAM ELECTRIC PLANT
10660 BOSTON ROAD
ROXBORO, NORTH CAROLINA 27574

0
9
7
m
a-,
0
o
4
_ o y
LIG.1
BG 2 C+N-1 Cw.1D
CW-2 CW-2D
Cw-3 CW-4 Cw5 cw-&
15 NCAC 02L Standard = 700 µg/L
15 NCAC 02L Standard = 700 µg/L
0
J
O O
V
ra
O
ry
1313•1
Bc 2 cw.1 CW1D
CW-2 cw.2D
CW3 CW4 Cw-5 cw-6
ram.,
0
15 NCAC 02L Standard = 2 µg/L
— — — — — — — — — — — — — — — — — — — — — — — — —
— — — — — — — — — — —
— — — — — — — — — — — — — — — — — — — — — — — — —
J
E
� a
E
m
u
0
G
150•1
813•2 cw•1 cw•10
CW-2 CW-213
Cw G'A 4 CW5 CW 6
FIGURE 10-65
148 RIVER STREET, SUITE 220
GRLI
GREENVILLE, SOUTH CAROLINA 29601
COMPLIANCE WELL BOX AND WHISKER PLOTS
PHONE [phone]
BARIUM, BORON, CADMIUM
www.s nterracor .com
DRAWN BY: J. GILMER DATE: AUGUST 2015
PROJECT MANAGER J WYLIE
S)m
err,
LAYOUT:
MAYO STEAM ELECTRIC PLANT
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW
Assessment Plan\1.11 CSA
Reporting\Figures\Statistics\Box Plots
10660 BOSTON ROAD
ROXBORO, NORTH CAROLINA 27574

E
i7
0
L
V
r�
15 NCAC 02L Standard = 10 µg/L P
P
BG-1 BC 2 c w 1 CbV 1D GW-2 CW-21D CW-3 CW-4 CW-5 cW-6
0
9
RG 1 6G 2 C%V 1 C',^d ;n CGV 2 GW-21) GIN-3 CW4 CW-5 CW-6
15 NCAC 02L Standard = 250 mg/L
15 NCAC 02L Standard = 300 µg/L V
— — — — — — — 77 — — — — — — — — — — - — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
BG 1 [sC, 2 G:'! 1 G'A'' 1 D CW 2 C:','':' ?D C',''J 3 C+,'d 4 :'.^ C11116
FIGURE 10-66
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601 COMPLIANCE WELL BOX AND WHISKER PLOTS
GRLI
PHONE [phone] CHROMIUM, CHLORIDE, IRON
,tip
www.s nterracor .com
DRAWN BY: J. GILMER DATE: AUGUST 2015
S)m err, PROJECT MANAGER J WYLIE
LAYOUT: MAYO STEAM ELECTRIC PLANT
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW 10660 BOSTON ROAD
Assessment Plan\1.11 CSA ROXBORO, NORTH CAROLINA 27574
Reporting\Figures\Statistics\Box Plots

4
O
O
T o —� T 15 NCAC 02L Standard = 50
— -- --
BCr1 BG-2 CW-1 CW-10 CW-2 CW-20 CW3 CW-4 cv.. 5 c1N-6
7 4
n
0
J
OG
n
N
Y
V n
Z
� O
O
O
O O
vs —�
i3G 1 RG 2 CW1 CW10 CW-2 CW-213 CW3 CW-4 cw-5 CW-6
15 NCAC 02L Standard = 100 µg/L
0G 1 90-2 CW-1 CW-1D CW2 CW-2D cw-3 GW. 4 Cw-5 CW rn
15 NCAC 02L Standard = 250 mg/L
FIGURE 10-67
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601 COMPLIANCE WELL BOX AND WHISKER PLOTS
GRLI
PHONE [phone] MANGANESE, NICKEL, SULFATE
www.synterracorp.com
DRAWN BY: J. GILMER DATE: AUGUST 2015
s�mTerra PROJECTMANAGER . WYLIE
LAYOUT: MAYO STEAM ELECTRIC PLANT
P:\Duke Energy Progres51026\105. Mayo Ash Basin GW 10660 BOSTON ROAD
Assessment Plan\1.11 CSA ROXBORO, NORTH CAROLINA 27574
Reporting\Figures\Statistics\Box Plots

ra
F
15 NCAC 02L IMAC = 0.2 µg/L
BG-1 BG-2 cw-1 Cw-1D CWO 2 Cw-211) CW-3 CW-4 CM5 Cw.6
15 NCAC 02L Standard = 500 µg/L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ T
O
BG.1 RG2 CIN1 CW.1U C`N.2 GW21) Cw.3 CW-4 CW.5
FIGURE 10-68
148 RIVER STREET, SUITE 220
GREENVILLE, SOUTH CAROLINA 29601 COMPLIANCE WELL BOX AND WHISKER PLOTS
GRLI
PHONE [phone] THALLIUM, TOTAL DISSOLVED SOLIDS
www.synterracorp.co,tip m
DRAWN BY: J. GILMER DATE: AUGUST 2015
synTerr, PROJECT MANAGER J WYLIE
LAvour: MAYO STEAM ELECTRIC PLANT
P:\Duke Energy Progress.1026\105. Mayo Ash Basin GW 10660 BOSTON ROAD
Assessment Plan\1.11 GSA ROXBORO, NORTH CAROLINA 27574
Reporting\Figures\Statistics\Box Plots