NC0003425_Figure 10-1-Site Layout with 2L Exceedances-Ash Pore Wells-11x17_20150902

ABMW-014
CONSTITUENT
RESULT
As
310
B
10000
pH
9.9
Sb
7.07
V
107
ABMW-033
CONSTITUENT
RESULT
As
10.4
Be
22.8
Co
127
Fe
62000
Mn
5880
Ni
236
pH
4.0
SO4
890
TDS
1200
TI
0.636
V
13
1973 ACTIVE
ASH BASIN
ABMW-024
CONSTITUENT
RESULT
As
565
B
7720
Fe
543
Mn
299
pH
9.1
Sb
5.08
V
65.7
•�c
r{Y,�
ABMW-06 1
CONSTITUENT
RESULT
As
422
B
3960
Fe
3390
Mn
869
Sb
2.06
SO4
570
TDS
890
TI
0.42
V
9.5
n
10,
_jW1966
SEMI -ACTIVE
'BASIN -
ABMW-05
CONSTITUENT
As
B
Co
RESULT
286
13100
1.29
Fe
637
Mn
716
SO4
850
TDS
1600
V
2.71
0
GYPSUM
PAD
now
---- - - - - --
/A
'I
I
I
ABMW-071
CONSTITUENT
RESULT
As
250
I
r -
B
6610
Mn
156
ABMW-0
pH9.3CONSTITUENT
Sb09As
i7O
B
-'Co
Fe
Mn
SO4
TDS
V
r
4
Ilk
♦
+
LEGEND
MONITORING WELL
ASH BASIN BOUNDARY
ROXBORO LINED LANDFILL
ROXBORO UNLINED LANDFILL
ASH BASIN COMPLIANCE BOUNDARY
�^
DUKE ENERGY PROGRESS ROXBORO PLANT BOUNDARY
STREAM
North Carolina 2LStandards
Constituent
Abbreviation
Upper Limit
Units
Lower Limit
Antimony6
Sb
1
pg/L
---
Arsenic
As
10
µg/L
---
Boron
B
700
µg/L
---
Chloride
Cl
250
mg/L
---
Chromium
Cr
10
µg/L
---
Cobalt'
Co
1
pg/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
---
Thallium
TI
0.2
µg/L
---
Total Dissolved Solids
TDS
500
mg/L
---
Vanadium6
V
0.3
pg/L—
NOTES:
1 CONCENTRATIONS SHOWN ARE FROM THE MARCH 2O15 SAMPLING EVENT.
Z CONCENTRATIONS SHOWN ARE FROM THE APRIL 2015 SAMPLING EVENT.
3 CONCENTRATIONS SHOWN ARE FROM THE MAY 2015 SAMPLING EVENT.
4 CONCENTRATIONS SHOWN ARE FROM THE JUNE 2015 SAMPLING EVENT.
5 CONCENTRATIONS SHOWN ARE FROM THE JULY 2015 SAMPLING EVENT.
6NORTH CAROLINA 2L INTERIM MAXIMUM ALLOWABLE CONCENTRATION (IMAC)
7SITE AERIAL ORTHOPHOTOGRAPHY IS DATED APRIL 17, 2014. IT WAS OBTAINED FROM WSP.
8ADDITIONAL OFFSITE AERIAL ORTHOPHOTOGRAPHY IS DATED 2012. IT WAS OBTAINED FROM THE NC
CENTER FOR GEOGRAPHIC INFORMATION AND ANALYSIS AT (http:llservices.nconemap.gov/)
9 PARCEL BOUNDARY WAS OBTAINED FROM THE NC CENTER FOR GEOGRAPHIC INFORMATION AND
ANALYSIS AT (http:llservices.nconemap.gov/)
19 DRAWING HAS BEEN SET WITH A PROJECTION OF NORTH CAROLINA STATE PLANE COORDINATE
SYSTEM FIPS 3200 (NAD83/2011).
GRAPHIC SCALE
500 0 500 1.000 1 500 2000
IN FEET
Ljo DUKE
''mTerra
�ENERG Y
7 " PROGRESS
148 RIVER STREET, SUITE 220 ROXBORO STEAM ELECTRIC PLANT a
GREENVILLE, SC 29601 1700 DUNNAWAY RD m
864.421-9999 SEMORA, NC 27343
www.synterracorp.com _
FIGURE 10-1
SITE LAYOUT WITH 2L EXCEEDANCES
ASH PORE WATER WELLS