NC0038377_Figure 10-1-Site Layout with 2L Exceedances-Ash Pore Water Wells_20150902

ABMW-013
CONSTITUENT RESULT
As
518
B
4560
Ba
925
Co
6.09
Fe
Mn
1370
2280
Sb
38
TDS
540
TI
2.47
V
314
SRA 500 gQ
SR.1329
!A .. SR lh;.-' SK-13z8
�400 SQ'0"e SR.1 gt ` -
ABMW-023
CONSTITUENT
RESULT
As
1020
B
9200
Fe
356
Mn
1110
V
3.53
ABMW-033
CONSTITUENT
RESULT
As
193
1981 B
1940
LANDF Fe
3890
Mn
451
TI
0.289
l M
V
0.68
-Ar.' �.
s
ABMW-043
ISTITUENT
RESULT
As
499
B
4930
Co
1.49
Fe
940
Mn
641
TDS
520
V
2.84
NIP"
.r soA
r
f �4
_ 7 �.r.4.
♦ r
1
LEGEND
MONITORING WELL
0 ACTIVE ASH BASIN
ASH BASIN COMPLIANCE BOUNDARY
r. _. DUKE ENERGY PROGRESS MAYO PLANT SITE BOUNDARY
— - — - DITCH
STREAM
North Carolina 2LStandards
Constituent
Abbreviation
Upper Limit
Units
Lower Limit
Antimonys
Sb
1
µg/L
---
Arsenic
As
10
µg/L
---
Boron
B
700
µg/L
---
Chloride
CI
250
mg/L
---
Chromium
Cr
10
µg/L
---
Cobalt-'
Co
1
µg/L
---
Iron
Fe
300
µg/L
Manganese
Mn
50
µg/L
pH
pH
8.5
S.U.
6.5
Selenium
Se
20
µg/L
---
Sulfate
SO4
250
mg/L
---
Thalliums
TI
0.2
µg/L
---
Total Dissolved Solids
TDS
500
mg/L
Vanadium
V
NOTES:
CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
Z CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
3 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
4 CONCENTRATIONS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
5NORTH CAROLINA 21- INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC)
6SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17. 2014. IT WAS OBTAINED FROM WSP.
7ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS OBTAINED FROM THE NC
CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS AT (http://services.nconemap.gov/)
8 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND
ANALYSIS AT (http://services.nconemap.gov/)
9 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE
SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
1,000 0 1,000 2,000 3,000 4,000 5,000
(IN FEET)
SR•1507tip
synTerra
148 RIVER STREET, SUITE 220,
L GREENVILLE, SC 29601
864421-9999
www.synterracorp.com
w
4 DUKE
ENERGY
PROGRESS
MAYO STEAM ELECTRIC POWER PLANT
10660 BOSTON RD
ROXBORO, NORTH CAROLINA27574
J1 CHECKED BY: J. MEADOWS DATE: 827/2015
PROJECT MANAGER: J. WYLIE
sow
FIGURE 10-1
w
SITE LAYOUT WITH 2L EXCEEDANCES
s� N� ASH PORE WATER WELLS