NC0005088_8. CSS CAP Part 2_Appx E_FINAL - Attachment A_20160212

Appendix E
Geochemical Modeling
Report Attachments
• A -
Probability Plots
• B -
pH Titration Results
• C
- Redox Titration Results
• D
- DO Titration Results
• E -
TDS Titration Results
• F -
COI Titration Results
Attachments provided in electronic format
on CAP Part 2 CD only.

This page intentionally left blank

Geochemical Modeling Report
Cliffside Steam Station Ash Basin
Attachment A
Probability Plots
34

104
103
102
101
100
102
101
100
10.1
0.1 1 10 50 90 99 99.9 0.1 1 10 50 90 99 99.9
104
103
102
101
100
10 -1
104
103
102
101
100
0.1 1 10 50 90 99 99.9 0.1 1 10 50 90 99 99.9
Probability (Percent Less Than) Probability (Percent Less Than)

101
100
10 -1
10 2
0
102
101
100
uissolved i3erymum, ug/L
—m—m ...-
m❑ ❑ ❑ ❑
13
O Upgradient
O Source
O Downgradient
• Shallow
❑ Deep
O Bedrock
III I I I I 11111111 1
1 10 50 90 99 9
uissolvea unromium, u
e❑ ❑
O Upgradient -
O Source
O Downgradient
0 Shallow
❑ Deep -
O Bedrock _
1 1 1 I I IIIIIII I I
104
103
102
102
101
100
10 -1
uissoived boron, u
i ❑ ❑
❑ -
IFIP° _
- O Upgradient -
O Source
O Downgradient
A Shallow
- ❑ Deep -
❑ ❑ ❑° O Bedrock -
1 1 10 50 90 99 99.9
uissoivea uomt, u
®❑ ❑
O Upgradient
O Source
O Downgradient
* Shallow -
❑ Deep -
O Bedrock -
0.1 1 10 50 90 99 99.9 0.1 1 10 50 90 99 99.9
Probability (Percent Less Than) Probability (Percent Less Than)

106
105
104
103
102
101
101
100
10-1
10 "2
0.1 1 10 50 90 99 99.9 0.1 1 10 50 90 99 99.9
105
104
103
102
101
100
103
102
101
100
10 -1
0.1 1 10 50 90 99 99.9 0.1 1 10 50 90 99 99.9
Probability (Percent Less Than) Probability (Percent Less Than)

102
101
100
10 -1
uissolvea selenium,
❑❑
13
O Upgradient
o Source
O Downgradient
• Shallow
❑ Deep
O Bedrock
i i i i i i unit i i i
101
100
10 -1
Dissolved Thallium, ug/L
❑
❑❑ ❑ ❑
o Upgradient
o Source
o Downgradient
A Shallow
❑ Deep
o Bedrock
e e ❑e
0.1 1 10 50 90 99 99.9 0.1 1 10 50
103 Dissolved Vanadium, ug/L
00 0
102
❑°
10�
o Upgradient
100 O Source
o Downgradient
0 Shallow
❑ Deep
e ❑ e® o Bedrock
10
0.1 1 10 50 90 99 99.9
Probability (Percent Less Than)
90 99 99.9