Revised Interim Monitoring Network_20170517

ROY COOPER
Governor
MICHAEL S. REGAN
Secretaq
S. JAY ZIMMERMAN
Director
May 1, 2017
Paul Draovitch
Senior Vice President
Environmental, Health & Safety
Duke Energy
526 South Church Street
Mail Code EC3XP
Charlotte, North Carolina 28202
Subject: Response to the February 2, 2017 Letter from Duke Energy
Revised Interim Monitoring Plans for 14 Duke Energy Facilities
Dear Mr. Draovitch:
The North Carolina Department of Environmental Quality (DEQ) has received and reviewed your
February 2, 2017 letter that was in response to our letters dated December 21, 2016 and January
11, 2017 regarding facility Interim Monitoring Plans.
DEQ has considered Duke Energy's comments and is providing the attached revised Interim
Monitoring Plans for the respective facilities. Due to ongoing internal discussions regarding
DEQ's position on surface water sampling, the attached plans only contain references to
groundwater monitoring locations. Once a final internal position has been determined, DEQ may
elect to provide Duke Energy with surface sampling locations to incorporate into the revised
Interim Action Plans. For clarification, we have also provided the minimum expected groundwater
sampling analyte list.
The attached revised facility Interim Monitoring Plans shall be conducted on a quarterly basis
commencing the third quarter of calendar year 2017 pursuant to 15A NCAC 02L .0 110, until
Corrective Action Plans are accepted for the individual facilities or as directed otherwise by DEQ.
The quarterly sampling events will be conducted in conjunction with planned compliance
monitoring sampling events for three quarters during the calendar year, supplemented with an
additional sampling event conducted at each facility in order to provide four rounds of monitoring
data to evaluate seasonal fluctuations during a year -long timeframe. If sampling an individual
groundwater location is problematic, please call the Regional Office that manages the facility to
discuss issues. Any changes to interim monitoring network and sampling requirements must be
discussed with the respective Regional Offices and coordinated by official correspondence from
the DEQ Central Office.
Document the results of the four quarters of sampling and analysis during the calendar year as an
annual interim monitoring plan report for each subject coal ash facility submitted by April 3 01h of
State of North Carolina I Environmental Quality I Division of Water Resources
Water Quality Regional Operations Section
1636 Mail Service Center I Raleigh, North Carolina 27699-1636
919-707-9129
- - - - - - - - - - - - - - - - - - - - - - - - -

the following year. The respective annual monitoring reports shall include figures, tables, cross -
sections, maps, and time -series plots in a manner that provides an integrated, comprehensive
interpretation of site conditions and plume status. Reports submitted in a data summary format
will not be approved as an acceptable documentation of the monitoring program.
In order to optimize the groundwater monitoring at each facility, DEQ will be removing the
groundwater monitoring condition from the NPDES permits as they are reissued. Duke Energy
shall continue to monitor the compliance wells separately under the individual NPDES permits
until the NPDES permits are reissued with no groundwater monitoring condition. At that time,
the compliance wells shall continue to be monitored per the attached revised interim monitoring
plans under the authority of 15A NCAC 02L .0110.
The DEQ is open to consider further optimization of the interim monitoring plan program
following a qualitative and quantitative review of site -specific data. A thorough analysis of spatial
and temporal trends related to contaminant distribution that include determination of background
conditions and identification of areas impacted by coal ash residuals must be provided as a decision
framework to support improvements to long-term monitoring programs.
If you have any questions, please feel free to contact Steve Lanter at [phone].
Sincerely,
S. Jay i erman, P.G., Director
Division of Water Resources
Attachments: Revised Interim Monitoring Plans for the 14 coal ash facilities
cc: WQROS Regional Offices
WQROS Central File Copy

Revised Allen Steam Station Interim Monitoring Plan — Groundwater Only
Sample for
Wells to be Sampled
Radionuclides
Regional Office Notes
M
AB-1 OD
AB-10S
AB-11D
x
AB-12D
AB-12S
Recommend redevelopment due to elevated
turbidity.
AB-13D
x
Radionuclide sample requested by MRO
AB-13S
x
Radionuclide sample requested by MRO
AB-14BR
AB-14D
Recommend redevelopment due to elevated
turbidity.
AB-IR
AB-2
AB-20D
AB-20S
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
2/20/2017), water quality at AB-2 I BRL is
AB-21BRL
x
acceptable and this location appears to vertically
delineated (pending background for Cr6+, V)
Radionuclide sample requested by MRO
Based on review of analytical (submitted on
2/20/2017), AB-21D has water quality issues (i.e.,
grout contamination). Since this well is located
along a major flow transect beneath the basin this
AB-21D
x
well should be reinstalled to more accurate reflect
site conditions beneath the basin in the deep flow
layer.
Radionuclide sample requested by MRO
AB-21 S
x
Radionuclide sample requested by MRO
AB-21 SL
x
Radionuclide sample requested by MRO
Recently installed and should be added to IGWMP -
Recommend redevelopment due to water quality
AB-22BR
issues. Also, due to observed concentrations of
Boron a lower bedrock well is warranted for vertical
delineation at this location.
AB-22D
AB-22S
Recommend redevelopment due to elevated
turbidity.
Allen Steam Station Page 1 of 9 May 1, 2017

Location not delineated horizontally or vertically.
GWA-23D located upgradient, has water quality
issues and therefore does not provide valid
analytical for determination of horizontal
delineation. Also, this location needs vertical
AB-23BRU
delineation due to Arsenic exceedances observed in
the shallow well thus warranting reinstallation.
Based on review of analytical (submitted on
2/20/2017) AB-23BRU continues to have water
quality issues (i.e., grout contamination) and should
be reinstalled.
AB-23S
Recommend monitoring pH — historically observed
fluctuating.
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on .
AB-24BR
2/20/2017), water quality at AB-24BR is acceptable
and location appears to be vertically delineated
(pending background for Mn, V)
Based on review of analytical (submitted
2/20/2017), AB-24D has water quality issues (i.e.,
AB-24D
grout contamination). This well is located along a
major flow transect beneath the basin and should be
reinstalled to more accurately represent
groundwater quality at this location.
AB-24S
AB-24SL
Recommend monitoring pH — historically observed
fluctuating.
GWA-3BR has consistently had pH >10 since
installation and therefore is not representative of
actual site conditions. Because of the above
mentioned issues as well as purposes of modeling
(geochem. and fate and transport), it is
recommended that AB-25BR be reinstalled.
Based on review of analytical (submitted on
2/20/2017) AB-24BR (pending background
AB-25BR
X
determination for Mn and V) provides delineation
to the west of AB-25 BR; but GWA-3BR continues
to have water quality issues and at this time does
not provide delineation to the east toward the river.
GWA-3BR should be reinstalled to delineate
exceedances observed at AB-25BR. Once AB-
25BR is reinstalled this location will be reevaluated
to determine if additional vertical delineation is
warranted.
Radionuclide sample requested by MRO
Allen Steam Station Page 2 of 9 May 1, 2017

GWA-3BR has consistently had pH >10 since
installation and therefore is not representative of
actual site conditions. Because of the above
mentioned issues as well as purposes of Modeling
(geochem. and fate and transport), it is
AB-25BRU
X
recormuended that AB-25BRU be reinstalled.
Based on review of analytical (submitted on
2/20/2017), AB-25BRU continues to have water
duality issues and should be reinstalled.
Radionuclide sample requested by MRO
AB-25S
X
Radionuclide sample requested by MRO
AB-25SL
X
Radionuclide sample requested by MRO
AB-26S
Recently installed and should be added to IGWMP
— Based on review of analytical (submitted on
AB-27BR
2/20/2017), elevated concentration of total
chromium was observed thus warranting installation
of a lower bedrock well for vertical delineation.
AB-27D
Recommend redevelopment due to elevated
turbidity.
AB-27S
Due to water quality issues at this location,
AB-28D
discontinue sampling. AB-30D is in close
proximity and is representative of site conditions.
AB-28S
AB-29D
AB-29S
Due to water quality issues at this location,
AB-29SL
discontinue sampling. AB-29S does not have water
quality issues and is representative of site
conditions.
AB-2D
AB-30D
AB-30S
Recommend redevelopment due to elevated
turbidity.
AB-31 S
AB-32D
AB-32S
pH has been observed fluctuating and has had
turbidity issues. Recommend redevelopment and
AB-33D
X
reevaluation during next sampling event to
determine path forward.
Radionuclide sample requested by MRO
AB-33S
X
Radionuclide sample requested by MRO
Allen Steam Station Page 3 of 9 May 1, 2017

AB-34D
AB-34S
Based on review of analytical (submitted on
2/20/2017), water quality at AB-35BR is acceptable
and location appears to be vertically delineated
AB-35BR
X
(pending background for Mn and V). Reinstallation
is not warranted at this time.
Radionuclide sample requested by MRO
AB-35D has consistently had pH >/= 10 since
installation and therefore is not representative of
actual site conditions. Because of the above
mentioned issues as well as purposes of modeling
(geochem. and fate and transport), it is
recommended that AB-35D be reinstalled since it is
AB-35D
X
located along a major flow transect.
Based on review of analytical (submitted on
2/20/2017), AB-35D continues to have water
quality issues and should be reinstalled.
Radionuclide sample requested by MRO
AB-35S
X
Radionuclide sample requested by MRO
AB-36D
Monitor pH
AB-36S
AB-37D
AB-37S
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
AB-38BR
2/20/2017), water quality at AB-38BR is acceptable
and location appears to be vertically delineated
(pending background for Co, Mn, and V).
AB-38D
AB-38S
AB-39D
AB-39S
AB-4BR
X
AB-4D
X
AB-4S
X
AB-5
AB-6A
X
AB-6R
X
AB-9D
X
AB-9S
X
BG-1D
X
BG-ID has water quality issues and warrants
reinstallation. Since this well is not viable sample
Allen Steam Station Page 4 of 9 May 1, 2017

location at the present GWA-26S/D should remain
in the sampling program until BG-ID is reinstalled
and deemed representative of background
conditions at the site.
Based on review of analytical (submitted on
2/20/2017), BG-1D continues to have water quality
issues and should be reinstalled. GWA-26S/D
should remain in the IGWMP.
Radionuclide sample requested by MRO
BG-1 S
X
Radionuclide sample requested by MRO
Slated for reinstallation, but does not appear to have
BG-2BR
X
been replaced based on review of analytical
(submitted on 2/20/2017).
BG-2D
X
BG-2S
X
BG-3D
BG-3S
BG-4BR
BG-41)
Recommend redevelopment due to elevated
turbidity. Monitor pH.
BG-4S
Slated for reinstallation, but does not appear to have
GWA-14D
been replaced based on review of analytical
(submitted on 2/20/2017).
GWA-14S
GWA-15D
GWA-15S
GWA-16D
GWA-16S
GWA-17D
X
Radionuclide sample requested by MRO
GWA-17S
X
Radionuclide sample requested by MRO
Due to the observed upward trend of conductivity at
the AB-1R location and uncertainty in regard to
what is effecting water quality at this location,
GWA-18S/D should remain in the sampling
program to continue to assess potential impact from
the basin. Also, it is located along a major flow
GWA-18D
transect so for purposes of modeling (geochem. and
fate and transport) it should continue to be sampled.
Based on review of analytical (submitted on
2/20/2017), GWA-18D has water quality issues (pH
9.4 and has been observed trending upward since
installation) and reinstallation is recommended.
Allen Steam Station Page 5 of 9 - May 1, 2017

Due to the observed upward trend of conductivity at
the AB-lR location and uncertainty in regard to
what is effecting water quality at this location
GWA-18S
GWA-18S/D should remain in the sampling
program to continue to assess potential impact from
the basin and it is located along a major flow
transect so for purposes of modeling (geochem. and
fate and transport) it should continue to be sampled.
GWA-19S/D should remain in the sampling
program as 273 (South Point Rd) being a
topographic divide is in question in regards to the
DBR flow layers. This location is also located
along a major flow transect so for purposes of
GWA-19D
modeling (geochem. and fate and transport) it
should continue to be sampled.
Based on review of analytical (submitted on
2/20/2017), GWA-19D has water quality issues (pH
10.3 has been observed trending upward since
installation) and reinstallation is recommended.
GWA-19S/D should remain in the sampling
program as 273 (South Point Rd) being a
topographic divide is in question in regards to the
GWA-19S
DBR flow layers. This location is also located
along a major flow transect so for purposes of
modeling (geochem. and fate and transport) it
should continue to be sampled.
GWA-1BR
X
GWA-lD
X
GWA-1 S
X
Recommend redevelopment due to elevated pH
GWA-21BR
X
(9.5) and then reevaluate for determination of
replacement.
Slated for reinstallation, but does not appear to have
GWA-21D
X
been replaced based on review of analytical
(submitted on 2/20/2017).
GWA-21 S
X
GWA-22D
GWA-22S
Recommend redevelopment due to elevated
turbidity.
Due to proximity of WSWs, GWA-23D should be
reinstalled to monitor deep flow layer for potential
influence from the basin.
GWA-23D
Based on review of analytical (submitted on
2/20/2017), GWA-35D continues to have water
quality issues and should be reinstalled.
Allen Steam Station Page 6 of 9 May 1, 2017

GWA-23S
Based on review of analytical (submitted on
2/20/2017), GWA-24BR continues to have water
quality issues and should be reinstalled as
GWA-24BR
previously reconunended. This location is in close
proximity to WSWs located west of the basin and
provides invaluable data. This well should be
reinstalled.
Based on review of analytical (submitted on
GWA-24D
2/20/2017), water quality at GWA-24D is
acceptable and location appears to be vertically
delineated (pending background for V, Cr6f).
Based on review of analytical (submitted on
2/20/2017), GWA-24S still has not been sampled to
GWA-24S
date due to insufficient water volume. This location
is in close proximity to WSWs located west of the
basin and provides invaluable data. This well
should be reinstalled.
BG-1D has water quality issues and warrants
reinstallation. Since this well is not viable sample
location at the present GWA-26S/D should remain
in the sampling program until BG-1D is reinstalled
and deemed representative of background
GWA-26D
conditions at the site.
Based on review of analytical (submitted on
2/20/2017), GWA-26D should continue to be
included in the IGWMP. Note: Recoimnend
monitoring pH (observed fluctuating above
standard) — may be beneficial to redevelop well.
BG-ID has water quality issues and warrants
reinstallation. Since this well is not viable sample
location at the present GWA-26S/D should remain
in the sampling program until BG-I D is reinstalled
GWA-26S
and deemed representative of background
conditions at the site.
Based on review of analytical (submitted on
2/20/2017), GWA-26S should continue to be
included in the IGWMP.
GWA-2D
X
GWA-2S
X
GWA-3BR has consistently had pH >10 since
installation and therefore is not representative of
GWA-3BR
X
actual site conditions (located along major flow
transect).
Based on review of analytical (submitted on
Allen Steam Station Page 7 of 9 May 1, 2017

2/20/2017), GWA-3BR should be reinstalled for
delineation of exceedances observed at AB-25BR.
GWA-31)
X
Recommend redevelopment due to elevated
turbidity and fluctuating pH.
GWA-3S
X
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
GWA-4BR
X
2/20/2017) water quality at GWA-4BR is
acceptable and location appears to be vertically
delineated (pending background for Mn, V).
GWA-4D
X
GWA-4S
X
Slated for reinstallation, but does not appear to have
GWA-5BR
X
been replaced based on review of analytical
(submitted on 2/20/2017).
GWA-5D
X
GWA-5S
X
Historically, GWA-6BR has not exhibited water
quality issues (elevated pH), however, based on
GWA-6BR
X
review of analytical (submitted on 2/20/2017), this
location has pH >12. Recommend reevaluation
during next sampling event for determination of
path forward.
GWA-6DA
X
GWA-6S
X
GWA-7D
X
GWA-7S
X
GWA-8D
GWA-8S
Recommend redevelopment due to elevated
GWA-91)
X
turbidity.
Radionuclide sample requested by MRO
GWA-9S
X
Radionuclide sample requested by MRO
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
2/20/2017) water quality at GWA-9BR is
GWA-9BR
X
acceptable and location appears to be vertically
delineated (pending background for Mn, V).
Radionuclide sample requested by MRO
Allen Steam Station Page 8 of 9 May 1, 2017

Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Allen Steam Station Page 9 of 9 May 1, 2017

Revised Asheville Steam Electric Plant Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
ABMW-11BR
AMW-03B
X
AMW-1B
X
AMW-2A
AMW-213
water level only
APZ-30
water level only
B-1
water level only
B-1-A
water level only
B-2
water level only
CB-1
X
CB-1BR
water level only
CB-1BRL
water level only
CB -ID
X
CB-8BR
X
CB-81)
water level only
CB-9BR
X
CB-9SL
X
GW-lBR
GW-1D
GW-2
X
GW-3
X
GW-4
X
GW-5
X
MW-3D
X
MW-5BR
MW-5D
MW-8S
X
MW-10
X
MW-11
MW-11D
MW-13BR
MW-13D
MW-14BR
MW-15A
X
MW-15BR
water level only
MW-15D
X
MW-16A
X
Asheville Steam Electric Plant Page 1 of 2 May 1, 2017

MW-16BR
X
MW-17A
X
MW-18BR
X
MW-18BRL
X
MW-18D
X
MW-19BR
water level only
MW-20A
MW-21D
X
MW-22BR
X
MW-22D
X
MW-23BR
MW-23DL
MW-23DU
MW-24S
X
MW-6BR
X
MW-6D
X
MW-6S
X
MW-7BR
water level only
MW-8BR
MW-9BR
X
MW-9D
X
MW-9S
X
P-102
water level only
P-103
PZ-16
Needs to be replaced and added to IMP.
PZ-17D
X
PZ-17S
X
PZ-19
X
PZ-22
X
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium(total)
Sulfate
TSS
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Asheville Steam Electric Plant Page 2 of 2 May 1, 2017

Revised Belews Creek Steam Station Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
AB-1BR
AB -ID
AB-1S
AB-2D
AB-2S
AB-3D
AB-3S
AB-4BR
Measure pH, if still high, do not sample
AB-4BRD
AB-4D
AB-4S
AB-4SL
Measure pH, if still high, do not sample
AB-5D
AB-5S
AB-5SL
AB-6D
AB-6S
AB-6SL
AB-7D
AB-7S
AB-8D
AB-8S
AB-8SL
AB-9BR
AB-9BRD
AB-9D
AB-9S
BC-23A
BC-28
BCSW-007
BCSW-008
BCSW-018A
BCSW-019
BCW W-002
BG-ID
BG-1 S
X
BG-2BR
Belews Creek Steam Station Page 1 of 4 May 1, 2017

BG-2D
X
BG-2S
X
BG-3D
BG-3 S
X
GWA-10D
If pH still high, do not sample.
GWA-10S
GWA-11D
GWA-11S
GWA-12BR
GWA-12D
GWA-12S
GWA-16BR
GWA-16D
If pH still high, do not sample.
GWA-16S
GWA-17D
GWA-17S
GWA-18D
GWA-18S
GWA-18SA
GWA-19BR
GWA-19D
GWA-19S
GWA-19SA
GWA-1BR
X
GWA-1 D
X
GWA-1S
X
GWA-20BR
GWA-20D
GWA-20S
GWA-20SA
GWA-21D
GWA-21 S
GWA-22D
GWA-22S
GWA-23D
GWA-23S
GWA-24BR
GWA-24D
X
GWA-24S
X
GWA-25BR
X
GWA-26BR
X
Belews Creek Steam Station Page 2 of 4 May 1, 2017

GWA-26D
X
GWA-26S
X
GWA-27BR
GWA-27D
GWA-27S
GWA-2D
GWA-2S
GWA-30D
X
GWA-30S
X
GWA-31 D
GWA-31 S
GWA-32D
GWA-32S
GWA-3D
GWA-3 S
GWA-4D
If the well is still there, please sample.
GWA-5BR2
If the well is still there, please sample.
GWA-51)
If the well is still there, please sample.
GWA-5S
If the well is still there, please sample.
GWA-6D
X
GWA-6S
X
GWA-7D
X
GWA-7S
X
GWA-8D
X
GWA-8S
X
GWA-9BR
GWA-9D
GWA-9S
MW-102D
MW-102S
MW-104BR
MW-104D
MW-104S
MW-200BR
X
MW-200D
X
MW-200S
X
MW-201BR
MW-201D
MW-202BR
MW-202D
MW-202S
Belews Creek Steam Station Page 3 of 4 May 1, 2017

MW-203BR
MW-203D
MW-203S
MW-204D
MW-204S
MW-3 X
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Belews Creek Steam Station . Page 4 of 4 May 1, 2017

Devised Buck Combined Cycle Station Interim Monitoring Plan — Groundwater Only
Wells to be
Sample for
Sampled
Radionuclides
Regional Office Notes
(X)
AB -ID
Recently installed and should be added to IGWMP —
Based on review of analytical (submitted on
AB-1 OBR
2/13/2017), Boron was observed in exceedance of 2L
standard thus warranting installation of a lower
bedrock well for purposes of vertical delineation.
AB-101)
AB-10S
Recommend reinstallation for vertical delineation -
pH >10 since well was installed in 2015 (5 sampling
events). This well is also located along and major
flow transect identified at the site so for modeling
purposes this well should be reinstalled.
AB-2BR
X
Based on review of analytical (submitted on
2/13/2017), AB-2BR continues to have water quality
issues and reinstallation is warranted for vertical
delineation at this location (exceedance of Antimony
was observed above IIVIAC).
Radionuclide sample added by MRO.
AB-21)
X
Radionuclide sample added by MRO.
AB-2S
X
Radionuclide sample added by MRO.
AB-2SL
X
Radionuclide sample added by MRO.
AB-3D
AB-3S
Discontinue sampling AB-4BR. Based on review of
AB-4BR
analytical (submitted on 2/13/2017), water quality at
AB-4BRL is acceptable (pending background for V,
Cr6+).
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
AB-4BRL
2/13/2017), water quality at AB-4BRL is acceptable
(pending background for V, Cr6+) and this location
appears to be vertically delineated.
AB-4BRU
AB-4S
Due to water quality issue (pH trending upward),
AB-4SL
recommend redevelopment of well and reevaluation
during next sampling event for determination of path
forward.
Buck Combined Cycle Station Page 1 of 6 May 1, 2017

According to historical analytical, this location was
only sampled once in R2 and has not been sampled
since then. I assume this is due to the high pH
indicating grout contamination at this location. Based
AB-5BRU
X
on review of analytical for AB-5S/SL (submitted on
2/13/2017), vertical delineation (As, Cr6+, Fe, Mn, V)
is warranted and this well should be reinstalled.
Radionuclide sample added by MRO.
AB-5S
X
Radionuclide sample added by MRO.
AB-5SL
X
Radionuclide sample added by MRO.
AB-6BRU
AB-7BRU
AB-7S
AB-8BRU
AB-8 S
Based on review of analytical (submitted on
2/13/2017), AB-9BR has water quality issues (i.e.,
grout contamination). Exceedances of TDS, Sb, and
V were observed. This well can be reinstalled and
AB-9BR
X
results reevaluated to determine if additional vertical.
delineation is necessary or a lower bedrock can be
installed and AB-9BR abandoned due to water quality
issues.
Radionuclide sample added by MRO.
Based on review of analytical (submitted on
2/13/2017), AB-9BRU has water quality issues (i.e.,
grout contamination). Exceedances of B, TDS, Sb,
and V were observed. AB-9BRU should be
reinstalled to evaluate contaminant migration from the
AB-9BRU
X
basin toward the Yadkin River. (Note: this location
was documented as AB-9D on the data submittal —
recommend updating applicable tables/figures for
field staff and ensuring the proper ID is shown on the
well tag.)
Radionuclide sample added by MRO.
Recommend redevelopment of this location due to
AB-9S
X
elevated turbidity.
Radionuclide sample added by MRO.
AS-lD
AS-1 S
AS-2D
AS-3D
AS-3 S
Buck Combined Cycle Station Page 2 of 6 May 1, 2017

Slated for reinstallation, but does not appear to have
BG-IBR
been replaced based on review of analytical
(submitted on 2/13/2017).
Slated for reinstallation, but does not appear to have
BG-lD
been replaced based on review of analytical
(submitted on 2/13/2017). Need to evaluate V
exceedance observed (historically elevated).
BG-IS
BG-2D
X
Radionuclide sample added by MRO.
BG-2S
X
Radionuclide sample added by MRO.
Radionuclide sample added by MRO.
BG-3BRU
X
(Note: this location was documented as BG-3D on the
data submittal — recolm-nend updating applicable
tables/figures for field staff and ensuring the proper
ID is shown on the well tag.)
BG-3S
X
Radionuclide sample added by MRO.
pH appears to be fluctuating above standard —
GWA-1013
recommend redevelopment and reevaluation for
upcoming sampling event.
GWA-IOS
GWA-11D
GWA-11S
GWA-12BRU
X
GWA-12S
X
GWA- I 3D has water quality issues, however, MW-
13D is in close proximity to GWA- I 3D and receptors
GWA-13D
and has no water quality issues. MW-1 3D should be
utilized for sampling — discontinue sampling GWA-
13D.
GWA-13SR
Slated for installation, but does not appear to have
been installed based on review of analytical
GWA-14BR
X
(submitted on 2/13/2017).
Radionuclide sample added by MRO.
Due to close proximity of well to WSWs and GW
flow direction observed on maps this well should be
reinstalled to monitor potential migration in the deep
flow layer from ash basin toward receptors.
GWA-14D
X
Based on review of analytical (submitted 2/13/2017),
GWA- I 4D should be reinstalled due to water quality
issues (i.e., grout contamination).
Radionuclide sample added by MRO.
GWA-14S
X
Radionuclide sample added by MRO.
Buck Combined Cycle Station Page 3 of 6 May 1, 2017

Due to elevated concentration of Cobalt, additional
horizontal and vertical delineation is warranted for
GWA-15D
X
this location. A bedrock well should be installed at
this location and a S/D well pair should be installed to
the east of GWA-15S/D.
GWA-15S
X
GWA-16BR
X
Installation pending property access
GWA-16D
X
Installation pending property access
GWA-16S
X
Installation pending property access
GWA-17S
According to historical analytical, this location was
only sampled twice, in R5 and R7, and has not been
sampled since then. I assume this is due to the high
GWA-18D
X
pH indicating grout contamination at this location.
Based on review of analytical (sampled 9/28/2016),
vertical delineation (TDS, Cr(tot), Sb, Fe) is
warranted and this well should be reinstalled.
GWA-18S
X
pH appears to be fluctuating above standard —
GWA-19D
X
recommend redevelopment and reevaluation for
upcoming sampling event.
GWA-19S
X
pH appears to be fluctuating above standard —
GWA-1D
X
recommend redevelopment and reevaluation for
upcoming sampling event.
GWA-1 S
X
GWA-20D
X
GWA-20S
X
GWA-22D
X
Based on review of analytical (submitted on
2/13/2017), GWA-2BR has water quality issues (i.e.,
GWA-2BR
X
grout contamination). This well is located on a major
flow transect and is protective of nearby receptors and
should be reinstalled at this location.
GWA-2BRU
X
GWA-2S
X
GWA-3BR
X
GWA-3BRU
X
GWA-3S
X
GWA-4D
X
GWA-4S
X
GWA-5BRU
X
GWA-5 S
X
Based on review of analytical (submitted on
GWA-6BR
X
2/13/2017), exceedances of SO4 and TDS were
observed at GWA-6BR. Due to the observed
Buck Combined Cycle Station Page 4 of 6 May 1, 2017

exceedances, vertical delineation at this location is
warranted. A lower bedrock well should be installed
at this location to further evaluate concentrations of
SO4 and TDS.
Radionuclide sample added by MRO.
GWA-6BRU
X
GWA-6S
X
GWA-7D
X
GWA-7S
X
GWA-8D
GWA-9BR historically had water quality issues, but
based on review of analytical (submitted on
2/13/2017), water quality at GWA-9BR is acceptable
GWA-9BR
X
and appears to be vertically delineated (pending
background for V).
Radionuclide sample added by MRO.
GWA-9D
X
GWA-9S
X
Compliance monitoring well — was not sampled in R8,
but is sampled 3x/year per NPDES pennit.
Exceedances of SO4 and TDS have been observed in
each sampling event to date. GWA-12S/BRU
MW-1 OD
provides horizontal delineation for this location, but
vertical delineation is warranted. Installation of a
lower bedrock at GWA-6BR as reconunended above
can be utilized to provide vertical delineation at this
location.
Recently installed and should be added to IGWMP -
Based on review of analytical (submitted on
2/13/2017), exceedance of Boron was observed at
MW-1 IBR
X
MW-11BR. Due to the Boron exceedance (leading
edge constituent), vertical delineation at this location
is warranted. A lower bedrock well should be
installed at this location to further evaluate Boron
concentrations.
Compliance monitoring well — historically had water
MW-11D
X
quality issues (turbidity above 10 NTU). Recommend
redevelopment of well in attempt to reduce turbidity.
MW-1 1 S
X
MW-12D
MW-12S
MW-13D
MW-1D
MW-IS
MW-2S
Buck Combined Cycle Station Page 5 of 6 May 1, 2017

MW-2D
MW-3D
X
MW-3S
X
MW-4D
MW-4S
MW-5D
MW-5S
MW-6BR
X
pH appears to be trending upward (currently at 9).
Recommend redevelopment and evaluation.
MW-6D
X
MW-6S
X
MW-7D
MW-7S
MW-8BR
X
Recently installed and should be added to IGWMP —
Based on review of analytical (submitted on
2/13/2017), MW-8BR has water quality issues (i.e.,
grout contamination). This location should be
reinstalled to provide accurate data south of Cell 1.
MW-8D
X
MW-8S
X
MW-9D
X
MW-9S
X
Minimum Parameters to be Analyzed
Aluminum
Boron
I Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
ChloridePotassium
Sulfate
TSS
(total)Lead (total)
Barium
Chromium
Magnesium.
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Buck Combined Cycle Station Page 6 of 6 May 1, 2017

Revised Cape Fear Stearn Electric Plant Interim MonitorinI4 Plan - Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Dotes
ABMW-1
X
ABMW-lBR
X
ABMW-1 S
X
ABMW-2SL
ABMW-2SU
ABMW-3
X
ABMW-3BR
ABMW-3SR
X
ABMW-4
X
ABMW-4S
X
ABMW-5BR
ABMW-5 S
BGMW-4
X
BGTMW-4
X
CMW-01
X
CMW-02
CMW-03
X
CMW-5R
not yet installed
CMW-06
X
CMW-07
X
CMW-08
X
CTMW-01
X
CTMW-02
CTMW-07
CTMW-08
X
MW-09
MW-09BR
MW-10
X
MW-IOBR
X
MW-1 OBRL
MW-10D
MW-11
X
MW-12
X
MW-12BR
MW-13
MW-15BR
X
MW-15SL
X
Cape Fear Stearn Electric Plant Page 1 of 3 May 1, 2017

MW-15SU
X
MW-16BR
X
MW-16S
X
MW-17BR
MW-17SL
X
MW-17SU
X
MW-18S
X
MW-19S
MW-20BR
MW-20S
MW-21 BR
MW-21 SL
X
MW-21 SU
X
MW-22BR
MW-22S
MW-23BR
MW-23D
X
MW-23S
X
MW-24D
X
MW-24S
X
MW-5BRR
MW-6BR
X
MW-9
X
MW-9BR
X
PZ-1
PZ-10
PZ-2
PZ-3D
PZ-3S
PZ-4
PZ-5
X
PZ-6
PZ-7
PZ-8
Cape Fear Steam Electric Plant Page 2 of 3 May 1, 2017

Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radian 228
TDS
Zinc
Cape Fear Steam Electric Plant Page 3 of 3 May 1, 2017

Revised James E. Rogers Energy Complex Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
AB-1D
AB-1 S
AB-2D
AB-2S
AB-3BR
AB-3I
AB-3 S
X
AB-3 SL
X
AB-4BR
AB-4D
AB-4S
X
AB-4SL
X
AB-5BR
AB-5BRU
AB-5S
X
AB-6BR
AB-6I7
AB-6S
X
AS -ID
AS-1 SB
AS-2BR
AS-2D
X
AS-2S
X
AS-3BRU
AS-4D
AS-4S
AS-5BRU
AS-5 S
AS-6D
AS-6S
AS-7D
AS-7S
X
BG-ID
X
BG-1 S
X
BG-2D
X
CCPMW-ID
X
CCPMW-1S
X
James E. Rogers Energy Complex Page 1 of 5 May 1, 2017

CLMW-1
X
CLMW-2
CLMW-3D
X
CLMW-3S
X
CLMW-5D
CLMW-5 S
CLMW-6
CLP-1
water level only
CLP-2
water level only
GWA-lOD
GWA-10S
GWA-11BRU
X
GWA-11 S
X
GWA-12BRU
GWA-12S
GWA-13BR
GWA-14BR
GWA-14D
GWA-14S
GWA-1BRU
GWA-20BR
X
GWA-20D
X
GWA-20S
X
GWA-21BR
X
GWA-21 BRU
X
GWA-21 D
GWA-21 S
X
GWA-22D
GWA-22S
X
GWA-23D
GWA-24BR
GWA-24D
GWA-24S
GWA-25S
GWA-25D
water level only
GWA-26S
GWA-26D
water level only
GWA-27BR
X
GWA-27D-A
X
GWA-28BR
GWA-28BRU
James E. Rogers Energy Complex Page 2 of 5 May 1, 2017

GWA-289
GWA-29D
X
GWA-2BR
X
GWA-2BRU
X
GWA-2S
X
GWA-30BR
GWA-30BRU
water level only
GWA-30S
GWA-31BR-A
GWA-31D
GWA-32D
GWA-32BR
water level only
GWA-33BR
GWA-33D
GWA-33S
GWA-34S
GWA-35D
GWA-35S
GWA-36D
X
GWA-36S
X
GWA-37D
GWA-37S
GWA-38D
GWA-38S
GWA-39S
water level only
GWA-3D
X
GWA-40S
water level only
GWA-42S
water level only
GWA-43D
GWA-43 S
GWA-44BR
GWA-44D
GWA-44S
GWA-45D
GWA-45S
GWA-46D
GWA-47D
GWA-48BR
GWA-48S
GWA-4D
X
GWA-4S
X
James E. Rogers Energy Complex Page 3 of 5 May 1, 2017

GWA-5BRU
GWA-5 S
GWA-6S
GWA-61)
water level only
IB-3D
I3-3S
X
MW-lOD
MW-10S
MW-11D
MW-11 S
X
MW-20D
MW-20DR
MW-21 BR
MW-21 D
MW-22BR
MW-22DR
MW-23D
MW-23DR
MW-23S
MW-24D
X
MW-24DR
X
MW-25DR
MW-2D-A
MW-30D
X
MW-30S
X
MW-32BR
X
MW-32D
X
MW-32S
X
MW-34S
MW-54BRU
MW-36BRU
MW-36S
MW-38BR
X
MW-38D
X
MW-38S
X
MW-40BRU
MW-40S
MW-42D
MW-42S
MW-8D
MW-8S
X
James E. Rogers Energy Complex Page 4 of 5 May 1, 2017

U5-lD
U5-1 S
U5-2BR
U5-2D
X
U5-2S-SL-A
X
U5-3D
U54D
U54S
U5-5BR
U5-5D
X
U5-6D
U5-6S
U5-8BR
U5-8D
U5-8S
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallbim
Alkalinity
Cadmium
lent
Hexavauomium
Molybdenum
Sodium (total)
TOC
(total)
Cl
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
(total)
Sulfate
TSS
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
James E. Rogers Energy Complex Page 5 of 5 May 1, 2017

Revised Ilan River Combined Cycle Station Interim Monitoring ]Plan — Groundwater Only
Wells to be Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
AB-10D
Measure pH, if still high, not sample.
AB-10S
AB-lOSL
AB-15S
AB-25BR
AB-25D
AB-25 S
AB-30BR
AB-30D
AB-30S
AB-35BR
AB -SD
AB-5S
AS-12S
AS-2D
AS-8BR
AS-8D
BG-ID
X
Measure pH, if still high, not sample.
BG-1 OD
X
BG-10S
X
BG-1 OBR
X
BG-5D
BG-5S
GWA-101)
GWA-12D
GWA-12S
GWA-14D
GWA-14S
GWA-15D
GWA-16D
GWA-16S
GWA-17D
GWA-18D
X
GWA-20D
GWA-20S
GWA-4D
GWA-4S
Dan River Combined Cycle Station Page 1 of 3 May 1, 2017

GWA-513R
GWA-5BRD
GWA-61)
x
GWA-6S
x
GWA-71)
GWA-7S
GWA-8BR
GWA-81)
GWA-8S
GWA-9D
x
GWA-9S
x
MW-10
x
MW-10D
x
MW-11
x
MW-1 ID
x
MW-12
x
MW-12D
x
MW-21D
MW-21S
MW-22BR
x
MW-22D
x
MW-22S
x
MW-23BR
MW-23D
MW-308BR
MW-310BR
MW-*31 1BR
MW-314BR
MW-315BR
MW-317BR
MW-317BRL
MW-318D
MW-9
MW-91)
OW-308D
OW-310D
Dan River Combined Cycle Station Page 2 of 3 May 1, 2017

Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
(total)
Sulfate
TSS
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Dan River Combined Cycle Station Page 3 of 3 May 1, 2017

Revised. H. F. Fee Energy Complex Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
ABMW-1
ABMW-1 S
X
AMW-11 BC
AMW-11 S
X
AMW-12BC
AMW-12S
AMW-13BC
AMW-13S
AMW-14BC
AMW-14S
AMW-15BC
AMW-15S
AMW-16BC
AMW-17BC
AMW-17S
AMW-18S
X
AMW-6RBC
AMW-9BC
BGMW-10
BGMW-9
BW-1
CCR-100S
X
CMW-10
CMW-5
CMW-6R
CMW-7
CMW-8
CTMW-1
CW-1
CW-2
CW-3
CW-4
DMW-1
DMW-2
DMW-3
IABMW-1
IABMW-1 S
X
H. F. Lee Energy Complex Page 1 of 2 May 1, 2017

IABMW-2S
IABMW-3
IABMW-3S
X
IMW-04BC
IMW-05BC
IMW-lBC
IMW-1 S
X
IMW-2BC
IMW-3BC
IMW-3S
X
IMW-4S
X
IMW-5S
X
LLMW-1
LLMW-1 S
LLMW-2
LLMW-2S
MW-1
MW-2
MW-3
X
SMW-3
SMW-4
SMW-5
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
xavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
H. F. Lee Energy Complex Page 2 of 2 May 1, 2017

Revised Marshall Steam Station Interim MonitorinI4 Plan — Groundwater Only
Sample for
Wells to be Sampled
Radionuclides
Regional Office Notes
M
Recently installed and should be added to
IGWMP — Based on review of analytical
AB-IOBR
(submitted 2/13/2017), water quality at this
location is acceptable and location appears to
vertically delineated (pending background for Fe,
Mn, Cr6+)
AB-10D
AB_10S
AB-10SL
-1 1D
AB-1 I S
Recently installed and should be added to
IGWMP — Based on review of analytical
(submitted 2/13/2017), water quality is
AB-12BR
x
acceptable and location appears to be vertically
delineated.
Radionuclide sample added by MRO.
AB-12D
x
Radionuclide sample added by MRO.
AB_12S
x
Radionuclide sample added by MRO.
AB-12SL
x
Radionuclide sample added by MRO.
AB-13D
AB-13S
AB_14D
AB_14S
AB-15BR
AB-15D
AB-15S
AB-15SL
AB-16D
AB_16S
AB_17D
AB_17S
AB_18D
AB_18S
Based on review of analytical (submitted
2/13/17), exceedance of standard for Boron was
AB-IBR
x
observed (historically has not been above
standard, but concentrations have been trending
upward since installation). Further evaluation of
this exceedances is warranted. Reconunend re -
Marshall Steam Station Page 1 of 6 May 1, 2017

evaluating after next round of sampling and if
Boron continues to exceed standard at this
location a lower bedrock well will be warranted
for vertical delineation.
AB-1D
X
AB-1 S
X
AB-20D
Recommend additional development due to
elevated pH. Will reevaluate next round of
sampling.
AB-20S
AB-21 D
AB-21 S
AB-2D
X
AB-2S
X
AB-3D
AB-3 S
AB-4D
AB-4S
AB-4SL
AB-5BR
X
AB-5D
X
AB-5 S
X
AB-6BR
Based on review of analytical (submitted
2/13/2017), AB-6BR has water quality issues
(i.e., grout contamination) and exceedance of
Barium was observed. This well should be
reinstalled to more accurately represent
groundwater quality at this location.
AB-6D
AB-6S
AB-7D
AB-7S
AB-8D
AB-8S
AB-9BR
AB-9D
AB-9S
AL-1BR
X
Recently installed and should be added to
IGWMP — Based on review of analytical
(submitted 2/13/2017), water quality is
acceptable and this location appears to be
vertically delineated.
Radionuclide sample added by MRO.
.AL-1 D
X
Marshall Steam Station Page 2 of 6 May 1, 2017

AL-1 S
X
AL-2BR
Recently installed and should be added to
IGWMP — Based on review of analytical
AL-2BRL
(submitted 2/13/2017), water quality is
acceptable and this location appears to be
vertically delineated.
AL-2D
AL-2S
Recently installed and should be added to
IGWMP — Based on review of analytical
AL-3BR
(submitted 2/13/2017), Boron exceedance was
observed thus warranting vertical delineation at
this location.
AL-3D
AL-3 S
Recently installed and should be added to
IGWMP — Based on review of analytical
AL-4BR
(submitted 2/13/2017), Boron exceedance was
observed thus warranting vertical delineation at
this location.
AL-4D
Slated for reinstallation, but does not appear to
have been replaced based on review of analytical
BG-1BR
X
(submitted on 2/13/2017).
Radionuclide sample added by MRO.
BG-ID
X
Radionuclide sample added by MRO.
BG-1 S
X
Radionuclide sample added by MRO.
BG-2BR
X
Radionuclide sample added by MRO.
Recommend redevelopment due to elevated
BG-2S
X
turbidity.
Radionuclide sample added by MRO.
BG-3BR
X
Radionuclide sample added by MRO.
Observed exceedance of Barium, based on
location of this background well it is Highly
unlikely this is attributable to ash handling at the
BG-31)
X
site. Further evaluation of exceedance is
warranted.
Radionuclide sample added by MRO.
Observed exceedances of Barium and Cr(tot),
based on location of this background well it is
BG-3S
X
highly unlikely this is attributable to ash handling
at the site. Further evaluation of these
exceedances is warranted.
Marshall Steam Station Page 3 of 6 May 1, 2017

Recommend redevelopment due to elevated
turbidity.
Radionuclide sample added by MRO.
GWA-1BR
X
Recommend redevelopment due to elevated
turbidity.
GWA-lD
X
GWA-1 S
X
Slated for reinstallation, but does not appear to
GWA-21)
have been replaced based on review of analytical
(submitted on 2/13/2017).
GWA-2S
GWA-3D
GWA-3S
GWA-4D
GWA-4S
GWA-5D
GWA-5S
GWA-6D
X
GWA-6S
X
GWA-7D
GWA-7S
GWA-8D
GWA-8S
GWA-9BR
GWA-10D
GWA-10S
GWA-11BR
X
No analytical available, well was not installed
prior to sampling event.
Based on review of analytical (submitted
2/13/2017), Boron exceedance was observed thus
GWA-11D
X
warranting a bedrock well for vertical delineation
at this location. A bedrock well was previously
recommended for installation and was installed
after this sampling event.
Based on review of analytical (submitted
2/13/2017), Boron, Selenium and sulfate
exceedances were observed thus warranting
horizontal delineation toward the east near the
GWA-11 S
X
cove. A shallow well was previously
recommended to be installed downgradient of
GWA-11 S/D near the cove for purposes of
horizontal delineation. This location will be
difficult to access due to very soft ground due to
the proximity of the lake. A shallow well should
Marshall Steam Station Page 4 of 6 May 1, 2017

be installed for evaluation and determination if
additional assessment is necessary.
GWA-12BR
X
GWA-12D
X
In previous sampling events water quality issues
were not observed, however, during this
sampling event water quality issues have been
observed. Further evaluation of this is warranted
during next round sampling for determination of
path forward.
GWA-12S
X
GWA-13DA
Based on review of analytical (submitted
2/13/2017), water quality remains an issue at this
location. It was recently redrilled and has been
sampled twice (pH>9). Recommend
redevelopment and reevaluation during next
sampling event to determine path forward.
GWA-13S
GWA-14D
No analytical available, well was not installed
prior to sampling event.
GWA-14S
No analytical available, well was not installed
prior to sampling event.
GWA-15S
X
No analytical available, well was not installed
prior to sampling event.
MS-8
MS-10
X
MS-1 I
MS-13
Mw- 1
MW-IOD
X
MW-10S
X
MW-I ID
MW-1 I S
MW-12D
MW-12S
MW-13D
MW-13S
MW-14BR
X
MW-14D
X
MW-14S
X
MW-2
MW-3
MW-4
X
MW-4D
X
MW-5
MW-6D
X
Marshall Steam Station Page 5 of 6 May 1, 2017

MW-6S
X
MW-7
Water level only
MW-7S
X
MW-7D
X
MW-7S
X
MW-BD
X
MW-8S
X
MW-9D
X
MW-9S
X
OB-1 (Dry Ash Basin)
OB-1 (Dry Ash Landfill)
Water level only
Minimum Parameters to be Analyzed
Aluminum
Boron
. Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Marshall Steam Station Page 6 of 6 May 1, 2017

Revised Mayo Steam Electric Plant Interim Monitoring Plan — Groundwater Only
Wells to be Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
ABMW-1
X
ABMW-2
ABMW-2BR
ABMW-2BRL
ABMW-3
ABMW-3S
ABMW-4
X
ABMW-4BR
ABMW-4D
BG-1
X
BG-2
X
CW-1
CW-1D
CW-2
X
CW-2D
X
CW-3
CW-4
CW-5
CW-6
X
MW-10BR
X
MW-11BR
MW-12D
X
MW-12S
X
MW-13BR
MW-14BR
MW-15BR
water level only
MW-16BR
X
MW-16D
X
MW-16S
MW-2
MW-3
X
MW-3BR
MW-4
MW-5BR
MW-8BR
MW-9BR
water level only
MW-9BRL
Mayo Steam Electric Plant Page 1 of 2 May 1, 2017

Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Mayo Steam Electric Plant Page 2 of 2 May 1, 2017

Revised Riverbend Steam Station Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
AB-1D
Measure pH, if still >I 0, not sample.
AB-1 S
AB-21)
AB-2S
AB-3BR
AB-31)
AB-3S
AB-41)
AB-4S
AB-51)
AB-5S
AB-5SL
AB-613RU
AB-6S
AB-71)
AB-71
AB-7S
AB-81)
AB-8S
AS-11)
AS-1S
AS-2D
AS-2S
AS-3D
AS-3S
AS-3SA
BG-ID
Measure pH, if still >10, not sample.
BG-1S
BG-2BR
BG-21)
BG-2S
BG-3D
BG-3S
BG-4BR
x
BG-4D
x
BG-4S
x
BG-5BR
Riverbend Steam Station Page 1 of 4 May 1, 2017

BG-5D
C-113RU
Measure pH, if still >10, not sample.
C-1 S
C-2D
C-2S
GWA-10BRU
Measure pH, if still >10, not sample.
GWA-10D
GWA-10S
GWA-11D
GWA-11 S
GWA-12D
X
GWA-12S
X
GWA-14D
GWA-14S
GWA-15D
GWA-15S
X
GWA-1BRU
GWA-lD
GWA-1 S
GWA-20BR
Measure pH, if still >10, not sample.
GWA-20D
Measure pH, if still >10, not sample.
GWA-20S
GWA-21BR
GWA-21D
GWA-21 S
GWA-22BR
GWA-22BR-A
X
GWA-22D
X
GWA-22S
X
GWA-23BR
Measure pH, if still >10, not sample.
GWA-23D
Measure pH, if still >10, not sample.
GWA-23S
GWA-2BR
X
GWA-213RU
X
Measure pH, if still >10, not sample.
GWA-2S
X
GWA-3BR
GWA-3D
GWA-3S-A
GWA-4BR
Measure pH, if still >10, not sample.
GWA-4D
X
GWA-4S
X
Riverbend Steam Station Page 2 of 4 May 1, 2017

GWA-5D
GWA-5S
GWA-6D
X
Measure pH, if still >10, not sample.
GWA-6S
X
GWA-7BR
GWA-7D
GWA-7S
GWA-8D
X .
GWA-8S
X
GWA-9BR
X
GWA-9D
X
GWA-9S
X
MW-10
X
MW-11DR
MW-11 SR
MW-12
MW-13
MW-14
X
MW-15
MW-15BR
MW-15D
Measure pH, if still >10, not sample.
MW-ID
MW-1 S
MW-2D
MW-2S
MW-2S-A
MW-3D
MW-3S
MW-4D
MW-4S
MW-5D
MW-5S
MW-6D
MW-6S
MW-7BR
X
Measure pH, if still >10, not sample.
MW-7D
X
MW-7SR
X
MW-8D
MW-8I
MW-8S
MW-9
X
Riverbend Steam Station Page 3 of 4 May 1, 2017

MW-9BR
X
Measure pH, if still >10, not sample.
MW-9D
X
Measure pH, if still >10, not sample.
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
Riverbend Steam Station Page 4 of 4 May 1, 2017

Revised Roxboro Steam Electric Plant Interim Monitoring Plan — Groundwater Only
Wells to be
Sampled
Sample for
Radionuclides
(X)
Regional Office Notes
ABMW-1
X
ABMW-lBR
X
ABMW-2
X
ABMW-2BR
X
ABMW-3
ABMW-3BR
ABMW-3BRL
ABMW-4
X
ABMW-4BR
X
ABMW-5
X
ABMW-5D
X
ABMW-6
ABMW-6BR
ABMW-7
ABMW-7BR
ABMW-7BRL
BG-I
X
BG-lBR
X
BG-IBRL
X
CW-1
CW-2
X
CW-21)
X
CW-3
CW-31)
CW-4
CW-5
X
GMW-10
GMW- I I
GMW-6
X
GMW-7
GMW-8
GMW-9
MW-IBR
MW-2BR
MW-3BR
X
MW-4BR
MW-4BRL
water level only
Roxboro Steam Electric Plant Page 1 of 2 May 1, 2017

MW-5BR
X
MW-5D
X
MW-6BR
X
MW-6D
X
MW-7BR
MW-8BR
MW-9BR
X
MW-10BR
X
MW-11BR
X
MW-12BR
MW-13BR
X
MW-14BR
X
MW-15BR
X
MW-15D
X
MW-16BR
X
MW-17BR
X
MW-18BR
X
MW-18D
X
MW-19BRL
X
MW-2
X
MW-20BRL
MW-21 BRL
water level only
MW-22BR
MW-22D
MW-23BR
X
MW-24BR
MW-25BR
MW-26BR
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
PotassiumSulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt .
Manganese
Radium 228
TDS
Zinc
Roxboro Steam Electric Plant Page 2 of 2 May 1, 2017

Revised L. V. Sutton Enemy Complex Interim Monitoring Plan — Groundwater Only
Wells to be
Sample for Radionuclides
(X)
Regional Office NotesSampled
AW-1C
AW-2C
AW-2D
AW-3C
X
AW-4C
X
AW-5C
AW-5D
AW-6D
AW-6E
AW-7D
AW-8C
AW-9C
AW-9D
MW-05C
X
MW-05CD
X
MW-05D
X
MW-05E
MW-12
MW-16D
MW-20
MW-20D
MW-23D
X
MW-23E
X
MW-27C
X
MW-31C
X
MW-36C
X
MW-37B
X
MW-37C
X
MW-37CD
X
MW-37D
X
MW-37E
X
MW-38B
MW-38C
X
MW-38D
X
MW-39B
MW-39C
X
MW-39D
X
MW-40B
L. V. Sutton Energy Complex Page 1 of 2 May 1, 2017

MW-40C
X
MW-40D
X
MW-41E
MW-6C
MW-8
X
SMW-IC
SMW-2C
SMW-3C
SMW-4C
SMW-5C
SMW-6C
SMW-6D
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
L. V. Sutton Energy Complex Page 2 of 2 May 1, 2017

Revised W. H. Weatherspoon Bower Plant Interim Monitoring Plan — Groundwater Only
Wells to be
Sample for Radionuclides
(X)
Regional Office NotesSampled
ABMW-01
AW-01 D
AW-01I
AW-01 S
AW-02D
AW-02S
AW-03D
AW-03I
AW-03S
BW-01
BW-02D
BW-02I
BW-02S
X
BW-03D
X
BW-03I
X
BW-03S
X
CCR-101-BG
CAMA
X
CW-01
CW-02
CW-03
X
MW-01
X
MW-02
X
MW-03
X
MW-04
X
MW-05
X
MW-06
X
MW-07
X
MW-08D
X
MW-08I
X
MW-08S (OW-8)
X
MW-33D
MW-33I
MW-33S
MW-41D
MW-41I
MW-44D
MW-44I
X
W. H. Weatherspoon Power Plant Page 1 of 2 May 1, 2017

MW-44S
MW-44SA
X
MW-49D
MW-49I
X
MW-52
X
MW-53D
MW-53I
MW-54D
MW-55D
X
MW-55I
X
PW-1 (DEP 2)
PZ-01
PZ-02
PZ-03
Minimum Parameters to be Analyzed
Aluminum
Boron
Copper
Mercury
Selenium
Thallium
Alkalinity
Cadmium
Hexavalent
Molybdenum
Sodium (total)
TOC
(total)
Chromium
Total
Antimony
Calcium
Iron
Nickel
Strontium
Combined
Uranium
Arsenic
Chloride
Lead
Potassium
Sulfate
TSS
(total)
Barium
Chromium
Magnesium
Radium 226
Sulfide
Vanadium
Beryllium
Cobalt
Manganese
Radium 228
TDS
Zinc
W. H. Weatherspoon Power Plant Page 2 of 2 May 1, 2017