NC0003417_Reduced File Size - Plan of Action_20161027

Harry K. Sideris
Senior Vice President
Environmental, Health & Safety
526 S. Church Street
Mail Code: EC3XP
Charlotte, NC 28202

1

October 27, 2016

Mr. David May
North Carolina Department of Environmental Quality
Washington Regional Office
943 Washington Square Mall
Washington, NC 27889

Subject: Duke Energy Progress, LLC
HF Lee Energy Complex NPDES Permit NC0003417
Requested Plan of Action
Wayne County

Dear Mr. May:

This responds to the North Carolina Department of Environmental Quality’s (DEQ’s) October 21,
2016 (see Attachment A) request for a Plan of Action (Plan) to address potential releases from
the triangle pond, cooling pond, and the inactive ash basin complex as a result of the historic
flooding caused by Hurricane Matthew at the HF Lee station.

Background and Overview of Hurricane Matthew at the HF Lee Energy Complex

The eastern areas of North Carolina exhibited historic flooding as a result of the intense rainfall
associated with Hurricane Matthew. The Neuse River in the vicinity of Duke’s HF Lee Station
reached record levels including exceeding the level previously recorded during Hurricane Floyd
in 1999.

2

As the river level rose, several areas of the site became inundated with floodwaters including
the triangle pond, cooling pond, and the forested inactive ash basin complex. The active ash
pond (also referred to as the 1982 Basin) remained intact and unaffected by the floodwaters
throughout the event. All required notifications to regulatory agencies were made as a result of
the above incidents and Duke Energy worked closely with agencies to ensure conditions were
appropriately monitored and evaluated throughout the event. Daily upstream and downstream
samples were collected as soon as practicable at the time of the event and continue to be
collected. All data taken to date has shown no significant impact to water quality.

Below is a general site orientation.

Cooling Pond

The 545-acre cooling pond is a man-made structure designed to provide cooling water to the
power plants on site, which included the coal fired unit before it was retired in 2012. The cooling
pond normally receives make-up water pumped in from the Neuse River, and while designed
and permitted to discharge excess water back into the Neuse River, has not done so for a
number of years. The rising floodwaters initially began entering the cooling pond via the pond's
emergency spillway (NPDES Outfall 002). As the river continued to enter the cooling pond and
floodwaters continued to rise, the pond ultimately overtopped its embankment, which led to a
breach of the cooling pond dam. The location of the breach was on the opposite side of the
cooling pond from the ash basins.

3

Data collected immediately after the cooling pond breach (included in Tables 1 and 2) along
with March 2015 NPDES Form 2-C Data (see Attachment B) enables an evaluation of any
potential impacts of the breach. Note the Form 2-C data is the only available data that is not
influenced by the upstream river concentrations. A review of the data demonstrates that the
breach and the resulting flows into the Neuse River did not significantly impact the Neuse River.
The proposed Sampling Plan described below will continue to effectively monitor to ensure no
impacts from the cooling pond breach.

Triangular Pond

The triangular pond is a small pond located adjacent to but separate from the 1982 ash basin.
The triangle pond was used during a onetime event in the 1980s to accept chemical metal
cleaning waste from the old coal fired units at the Plant. The pond does not have the ability to
discharge and is therefore an isolated system. Currently, the pond only receives stormwater
from precipitation events .

The triangular pond became inundated with flood water from the river that overtopped the pond
dike. Before the flooding event, we estimate that the pond may have contained up to two million
gallons of mostly stormwater. As a result of the river entering into the pond there was some
mixing of water from the pond and the river. As the flood waters receded and the river retreated
from the pond, some of the pond water may have co-mingled with river water and sent
downstream with the river flood waters. Attachment C provides recent data from a February
2015 sampling event that was previously provided to you in a March 11, 2015 submittal. The
data show that all parameters that were analyzed were below water quality standards, with the
exception of the copper data which is below the acute standard of 3.6 ug/L, but above the
chronic standard of 2.7 ug/L. Data collected from a time period beginning prior to the lowering
of the Neuse River levels dropped (see Tables 1 and 2) enables an evaluation of any potential
impacts of the inundation of the triangle pond. A review of the data demonstrates that any
potential flows into the Neuse River from the inundated triangle pond did not significantly impact
the Neuse River. Data continues to demonstrate that the triangle pond is not causing increases
in contaminant levels in the Neuse River. The proposed Sampling Plan described below will
continue to effectively monitor for any impacts from the triangle pond.

Inactive Ash Basins

The Inactive Ash Basin area consists of three forested, inactive basins that are normally dry and
do not impound water. As the floodwaters receded such that initial observations could safely be
made, limited inspection of areas safely observable by personnel in waders and by boat were
performed. This initial observation indicated that some ash containing material appeared to
have been carried out of the basin area with the receding floodwaters. The material itself
appeared to be located generally on or near the top of the berm area. All berms that were
observed appeared intact with no structural concerns noted. Duke Energy notified DEQ of
these initial observations and planning took place for additional inspections over the following
weekend.

4

On Saturday, as the river continued to recede, more detailed inspections of the three inactive
basins were conducted. It was then observed that, as expected, the well-established vegetative
cover consisting of organic material, grass, shrubs and trees had generally contained the ash
material. The majority of the redeposited ash material remained very close to the inactive basin,
on the berm or a few feet away on the basin roadway. DEQ sent a team of dam safety and
environmental experts to review the site. The DEQ team determined that the amount of
material that was displaced by the floodwaters presented no significant concerns and estimated
it as less than would fill the bed of an average pickup truck. Results of water samples taken
earlier in the week just downstream of the inactive basins showed no significant ash-related
constituents in the Neuse River. Duke Energy engineers were also able to perform additional
inspections of the active ash basin and noted that its berms continued to perform safely. A
team of DEQ experts confirmed this during their own inspections during the day.

As floodwaters further receded over the following days, the Duke Energy team performed
further inspections and observed additional areas of material that appeared to be largely
cenospheres in low-lying areas just outside inactive basins two and three. Cenospheres are
hollow ceramic microspheres that are a by-product of coal burning power plants. Cenospheres
are the lighter particles made largely of alumina and silica. The company updated the DEQ
inspection team and they followed up with a site inspection.

The data collection previously described provides a continuing evaluation of the release of ash
containing material and cenospheres from the site. A number of observations can be made
from the data collected since October 12th and provided in Tables 1 and 2.

 No detection of priority pollutants in the sample results
 No exceedance of water quality standards for Antimony, Arsenic, Beryllium, Cadmium,
Chromium, Mercury, Selenium, or Thallium which are key indicators of coal ash
contamination as listed by EPA in the CCR rule.
 Limited increases in levels of Arsenic (which remained below the 10 ug/l Drinking Water
limit in North Carolina) during the time since the hurricane
 Concentrations of contaminants in the sampled cenosphere materials are well below
Inactive Ash Basin materials results from the Groundwater Comprehensive Site
Assessment reports (see Table 3)

Plan of Action

The Plan of Action provided below provides Duke Energy’s proposal for addressing the releases
at the inactive ash basin complex and any potential releases at the cooling pond and triangle
pond. As you are aware, Duke Energy began efforts on October 25th to collect cenospheres
released from the inactive ash basin. The plans described below incorporate lessons learned
that have been developed following those efforts.

5

1) Estimate on type and amounts of ash or cenospheres released

The estimated ash or cenosphere material released from the triangle pond or the cooling
pond is zero.

The estimate for the amount of cenospheres released from the inactive basins is
between 2-2.5 cubic yards. The estimate for amount of ash containing material carried
out by the floodwaters from inactive basin three was approximately two cubic
yards. Much of this material was deposited on the roadway around the basin in the area
of the erosion. Actions to remove these materials from the environment have already
begun following Duke Energy October 24, 2016 discussions with NC DEQ Regional
office personnel.

2) Assessments of the impoundments that include damage at the inactive basins complex
and loss of material at all impoundments
There was only one area where Duke Energy personnel observed erosion to the berms
that form the inactive basins. This area is on the south side of inactive basin #2. Duke
Energy has determined that this erosion is not a structural concern. Duke Energy will
develop and submit a repair plan to repair this erosion. Duke Energy expects to submit
this repair plan to NC DEQ Dam Safety, as this repair will most likely require additional
permitting. Assessments of the non-breached areas of the cooling pond, active pond,
and triangle pond berms revealed no significant structural issues.
3) A sampling and/or monitoring plan

A proposed sampling plan is provided in Attachment D. Duke Energy proposes to
continue sampling four designated locations for a reduced number of parameters for an
additional three week period to end on November 18, 2016. Samples will be collected
on Tuesdays and Thursdays at the following locations:

1) Neuse River – Upstream Inactive Ash Basins – located at the Ferry Bridge Rd
crossing over the Neuse.

2) Inactive ash basin area – near area of suspected cenosphere release

3) Neuse River near the area of the cooling pond dam breach

4) Downstream cooling pond – collected within the Neuse, south of the site where
Stevens Mill road crosses the river

6

Duke Energy proposes to analyze the surface water samples for the following
parameters:

Antimony Lead
Arsenic Nickel
Beryllium Selenium
Cadmium Silver
Chromium Thallium
Copper Zinc
Iron Mercury

Based on the non-detects for all of the Priority Pollutants collected since Hurricane
Matthew, Duke Energy thinks no additional analyses for these parameters is warranted.

Duke Energy also proposes to take one time sediment samples at four downstream
locations as outlined in Attachment D, Section 5.0. The locations were selected to be
representative of potential depositional areas within the river. The sediment sampling
and analysis plan is described in detail in in Tables 1-3 of Attachment D. The sediment
will be analyzed for the following ash indicator parameters:

- arsenic
- selenium
- % ash

In addition to the sediment samples, Duke Energy will collect water samples from the
sediment / water interface at these same locations. These samples will be analyzed for
the following field parameters:

- temperature
- dissolved oxygen
- pH
- conductivity
- turbidity

These water samples will also be analyzed for total and dissolved concentrations of:

- arsenic
- selenium

Based on observations by Duke Energy and DEQ personnel following the Hurricane,
Duke energy does not anticipate significant quantities of ash to be present in the river
sediments. If, as anticipated, very low percentages of ash are found (0% - 1%), this
sampling will be discontinued.

7

As noted above, cenosphere materials were sampled and compared to ash sample
results from the inactive ash basin that were collected as part of the Comprehensive
Groundwater Assessment overseen by DEQ (Table 3). Note that even with a strong
digestion process utilizing nitric acid and hydrogen peroxide at 90 – 95 degrees F for
several hours, the metals concentrations are significantly lower than those of the ash
samples themselves. Due to the available sample results, Duke Energy does not
believe that additional solids sampling from any of the impoundments is warranted.
Duke Energy believes this sampling plan is appropriate for responding to the Hurricane
Matthew impacts at the HF Lee site.

4) A description of past, ongoing and proposed actions in response to releases
A coffer dam has been constructed at the damaged area of the cooling pond and most of
the discharge has been eliminated. This will serve as a temporary repair while the
company works with DEQ to get the necessary permits for a permanent repair. No
further action is planned for the triangle pond.
To date, Duke Energy has installed wattles outside of inactive ash basin 2 and has
evaluated the areas containing cenospheres outside of inactive ash basins 2 and 3.
Based on an evaluation of the terrain, access and materials, Duke Energy has decided
the best method for recovering the material will be via vacuum truck. The vacuum truck
is onsite and has begun to remove CCR materials. A Duke Energy employee is out
ahead of the vacuum truck scouting out the area in vicinity of the inactive basins in an
effort to locate other possible areas to target for CCR removal. To date no other
additional areas have been identified.
In wetland areas adjacent to the inactive basins that contain deposits of cenospheres,
the deposited materials will be removed to the degree possible without harming the
wetlands by continuing to remove the materials. Contract personnel have used boats
and other hand tools in these areas in an effort to corral the cenospheres in one larger
localized area for easier removal via vacuum truck. Other materials such as the eroded
ash containing material from ash basin #3 will be removed with hand tools. We will also
cover any exposed ash in the eroded area within the basin with soil and stone.
Removed solid materials will be placed in the active basin while water removed with the
solid materials may be separated for routing to either the inactive ash basins or the
active Ash Basin. Duke Energy expects the removal work described above to be
completed in short order over the next few weeks.
Duke Energy will continue to inspect the inactive ash basin area as floodwaters continue
to recede and the area dries up and will take similar actions as to that described above
should additional areas of concern be discovered.

8

5) A list of any State or Federal permits that may be required to complete the plan

Duke Energy does not expect that initial actions to remove the cenosphere and ash
containing material from around the inactive basins will require any state or federal
permits, unless the eroded areas described above exceed the one acre threshold for
requiring a sedimentation and erosion control plan. The inactive basin dams are not
jurisdictional under Dam Safety. As DEQ previously concurred, Duke Energy will place
the materials from the clean-up into the active ash basin.

Permits will also be necessary for permanent repairs to the cooling pond. Specific
permit needs will be determined as the full work scope for the permanent repair is
finalized, but we anticipate at minimum dam safety permits and possibly erosion and
sediment control. We will continue to evaluate permitting scenarios as scope is refined.

6) A timeline for completion of the assessment

Duke Energy will provide a full summary of available data and update on actions taken
to date by Monday, November 14, 2016 along with recommendations for next steps
based on available results.

If there are any questions regarding this response, Mr. Steve Cahoon via phone at (919) 546-
7457 or via email at [e-mail].

I certify, under penalty of law, that this document and all attachments were prepared
under my direction or supervision in accordance with a system designed to assure that
qualified personnel properly gather and evaluate the information submitted. Based on
my inquiry of the person or persons who manage the system, or those persons directly
responsible for gathering the information, the information submitted is, to the best of my
knowledge and belief, true, accurate, and complete. I am aware that there are significant
penalties for submitting false information, including the possibility of fines and
imprisonment for knowing violations.

Sincerely,

Harry K. Sideris
Senior Vice President
Environmental, Health and Safety

Attachments
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l
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/
L
2,
6
‐Di
n
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t
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L
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2 ‐Ch
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/
L

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2 ‐Ch
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2 ‐Ch
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p
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l
1

u
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L
< 10
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2 ‐Ni
t
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p
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l
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/
L

<
 10
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3&
4
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t
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(
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&
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)
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L
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3,
3
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c
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L
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4
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/
L
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5
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Ta
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t
Ta
b
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 1  ‐

Pa
g
e
 1  of
 21
20
1
5
0
0
1
2
3
2

2
0
1
6
0
3
3
0
9
8

2
0
1
6
0
3
3
0
9
9

2
0
1
6
0
3
3
1
0
0

2
0
1
6
0
3
3
2
3
7

2
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1
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3
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3
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2
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1
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3
3
2
3
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3
4
4
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3
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1
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0
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3
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1
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3
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1
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J
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Ou
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f
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T
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M
 CO
O
L
I
N
G
 PO
N
D
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W
N
S
T
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U
P
S
T
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A
M

C
O
O
L
I
N
G
 POND

D
O
W
N
S
T
R
E
A
M
 Upstream  Inactive  Ash  Pond  Inactive  Ash  Pond
1/
2
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/
2
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1
5

1
0
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1
2
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1
6

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0
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1
2
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2
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1
6

1
0
/
1
2
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2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6
Pa
r
a
m
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t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s

H
i
s
t
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c
 Da
t
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Ta
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4
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L
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4
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0.
0
0
0
2

u
g
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L
< 0.
0
5
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6
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/
L

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 10
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4 ‐Br
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/
L
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4 ‐Ch
l
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1

u
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L
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p
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l
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/
L

<
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< 50
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Ac
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p
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/
L
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L
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Ac
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/
L

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/
L

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Al
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5
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5
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t
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Be
n
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n
e
1.
1
9

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d
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/
L
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Be
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(
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)
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0.
0
0
2
8

u
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/
L
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Be
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(
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)
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0.
0
0
2
8

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/
L
< 5<
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Be
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0.
0
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2
8

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L
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Be
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(
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,
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,
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5
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(
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L

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L

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L
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e
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2
5
4

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L
< 2
< 2<
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Ch
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e
c
h
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c
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l
)
0.
0
0
0
8

u
g
/
L
< 0.
5
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Ch
l
o
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b
e
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z
e
n
e
48
8

u
g
/
L

<
 2
< 2<
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Ch
l
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n
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/
L

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l
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/
L

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Ch
l
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L

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0.
0
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8

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L
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(
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,
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0
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0
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2
8

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L
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b
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L

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0
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/
L
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n
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/
L
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5
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l
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n
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/
L
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5
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En
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t
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/
L
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0
5
< 0.05 < 0.05
En
d
r
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n
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/
L
< 0.
0
5
< 0.05 < 0.05
Ta
b
l
e
 1  ‐

Pa
g
e
 2  of
 21
20
1
5
0
0
1
2
3
2

2
0
1
6
0
3
3
0
9
8

2
0
1
6
0
3
3
0
9
9

2
0
1
6
0
3
3
1
0
0

2
0
1
6
0
3
3
2
3
7

2
0
1
6
0
3
3
2
3
6

2
0
1
6
0
3
3
2
3
8

2
0
1
6
0
3
3
4
4
6

2
0
1
6
0
3
3
4
4
7
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5
0
1
0
3
1
0

J
1
6
1
0
0
3
3
6

J
1
6
1
0
0
3
3
6

J
1
6
1
0
0
3
3
6

J
1
6
1
0
0
3
6
0

J
1
6
1
0
0
3
6
0

J
1
6
1
0
0
3
6
0

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
3
9
2
Ou
t
f
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l
l
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2
 UP
S
T
R
E
A
M
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O
L
I
N
G
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N
D
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W
N
S
T
R
E
A
M

U
P
S
T
R
E
A
M

C
O
O
L
I
N
G
 POND

D
O
W
N
S
T
R
E
A
M
 Upstream  Inactive  Ash  Pond  Inactive  Ash  Pond
1/
2
7
/
2
0
1
5

1
0
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1
2
/
2
0
1
6

1
0
/
1
2
/
2
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1
6

1
0
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1
2
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6
Pa
r
a
m
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t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s

H
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s
t
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c
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Ta
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Sa
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5
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/
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5
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48
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,
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PC
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 10
1
6
)

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0
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4

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5
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1
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4

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5
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PC
B
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2
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 12
3
2
)

0
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0
0
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4

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/
L
< 0.
2
5
< 0.
5
< 0.5 < 0.5
PC
B
‐12
4
2
 (A
r
o
c
l
o
r
 12
4
2
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
2
5
< 0.
5
< 0.5 < 0.5
PC
B
‐12
4
8
 (A
r
o
c
l
o
r
 12
4
8
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
2
5
< 0.
5
< 0.5 < 0.5
PC
B
‐12
5
4
 (A
r
o
c
l
o
r
 12
5
4
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
2
5
< 0.
5
< 0.5 < 0.5
PC
B
‐12
6
0
 (A
r
o
c
l
o
r
 12
6
0
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
2
5
< 0.
5
< 0.5 < 0.5
Pe
n
t
a
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
< 10
< 10
< 10 < 10
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
< 5<
 5< 5
Ph
e
n
o
l
ug
/
L

<
 10
< 5<
 5< 5
Py
r
e
n
e
ug
/
L
< 5<
 5< 5
Te
t
r
a
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L

<
 2
< 2<
 2< 2
To
l
u
e
n
e
ug
/
L

<
 2
< 2<
 2< 2
To
x
a
p
h
e
n
e
ug
/
L
< 0.
5
< 0.5 < 0.5
tr
a
n
s
‐1,
2
‐Di
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L

<
 2
< 2<
 2< 2
tr
a
n
s
‐1,
3
‐Di
c
h
l
o
r
o
p
r
o
p
e
n
e
ug
/
L

<
 2
< 2<
 2< 2
Tr
i
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L

<
 2
< 2<
 2< 2
Tr
i
c
h
l
o
r
o
f
l
u
o
r
o
m
e
t
h
a
n
e
ug
/
L

<
 2
< 2<
 2< 2
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
< 2
< 2<
 2< 2
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

Ha
r
d
n
e
s
s
 de
p
e
n
d
e
n
t
 me
t
a
l
.
 Nu
m
e
r
i
c
 st
a
n
d
a
r
d
 cl
a
c
u
l
a
t
e
d
 at
 25
 mg
/
l
To
t
a
l
 Re
c
o
v
e
r
a
b
l
e
 ba
s
e
d
 on
 TS
S
 of
 10
 mg
/
L
.
Va
l
u
e
 is
 fo
r
 Cr
 VI
Ta
b
l
e
 1  ‐

Pa
g
e
 3  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
 Le
v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
1,
2
,
4
‐Tr
i
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
‐Di
c
h
l
o
r
o
p
r
o
p
a
n
e
ug
/
L
1,
2
‐Di
p
h
e
n
y
l
h
y
d
r
a
z
i
n
e
ug
/
L
1,
3
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
ug
/
L
1,
4
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
'
‐Ox
y
b
i
s
(
1
‐ch
l
o
r
o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
‐Tr
i
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2,
4
‐Di
c
h
l
o
r
o
p
h
e
n
o
l
70

u
g
/
L
2,
4
‐Di
m
e
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
4 ‐Ch
l
o
r
o
‐3 ‐me
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
6
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
2 ‐Ch
l
o
r
o
e
t
h
y
l
v
i
n
y
l
 et
h
e
r
ug
/
L
2 ‐Ch
l
o
r
o
n
a
p
h
t
h
a
l
e
n
e
ug
/
L
2 ‐Ch
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2 ‐Ni
t
r
o
p
h
e
n
o
l
ug
/
L
3&
4
‐Me
t
h
y
l
p
h
e
n
o
l
(
m
&
p
 Cr
e
s
o
l
)
ug
/
L
3,
3
'
‐Di
c
h
l
o
r
o
b
e
n
z
i
d
i
n
e
ug
/
L
4,
4
'
‐DD
D
ug
/
L
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
20
1
6
0
3
3
4
4
8

2
0
1
6
0
3
3
4
5
0

2
0
1
6
0
3
3
4
5
1

2
0
1
6
0
3
3
4
7
9

2
0
1
6
0
3
3
4
8
0

2
0
1
6
0
3
3
4
8
1

2
0
1
6
0
3
3
4
8
2

2
0
1
6
0
3
3
4
8
3

2
0
1
6
0
3
3
5
3
8
J1
6
1
0
0
3
9
2

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
4
3
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond Upstream  Inactive  Ash  Pond
10
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6
< 1<
 1<
 1<
 1<
 1<
 1< 1< 1< 1
< 1
1.
1
3
< 1<
 1<
 1<
 1 1.18 < 1 1.87
< 1<
 1<
 1<
 1<
 1<
 1< 1< 1< 1
< 0.
1
< 0.
1
< 0.
1
< 0.
1
< 0.
1
< 0.1 < 0.1 < 0.1 < 0.1
1.
4
3
1.
6
2
1.
4
5
1.
2
7
1.
4
1
1.31 1.37 1.19 < 1
2.
7
8
6.
7
4
2.
8
9
2.
8
8
3.
6
4
3.12 6.99 2.84 2.7
1.
5
8
1.
7
8
1.
5
6
1.
4
5
1.
4
6
1.32 1.52 1.38 1.22
< 1
1.
3
9
< 1
1.
0
9
1.
0
3
1.14 1.32 < 1 1.61
1.
2
6
1.
2
6
1.
2
4
< 1
3.
5
4
< 1< 1< 1< 1
< 1<
 1<
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 1< 1< 1< 1
< 0.
3
< 0.
3
< 0.
3
< 0.
3
< 0.
3
< 0.3 < 0.3 < 0.3 < 0.3
< 0.
2
< 0.
2
< 0.
2
< 0.
2
< 0.
2
< 0.2 < 0.2 < 0.2 < 0.2
6.
7
8
5.
5
1
7.
0
2
7.
9
7
8.
6
2
10.4 5.34 6.53 24.2
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.05 < 0.05 < 0.05 < 0.05
< 0.
0
0
8
< 0.
0
0
8
< 0.
0
0
8
< 0.008 < 0.008 < 0.008
< 10
< 10
< 10
< 10 < 10 < 10
< 5<
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< 5<
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< 10
< 10
< 10
< 10 < 10 < 10
< 5<
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 5<
 5< 5< 5
< 10
< 10
< 10
< 10 < 10 < 10
< 50
< 50
< 50
< 50 < 50 < 50
< 5<
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< 5<
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< 25 < 25 < 25
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.05 < 0.05 < 0.05
Ta
b
l
e
 1  ‐

Pa
g
e
 4  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
4,
4
'
‐DD
E
ug
/
L
4,
4
'
‐DD
T
0.
0
0
0
2

u
g
/
L
4,
6
‐Di
n
i
t
r
o
‐2 ‐me
t
h
y
l
p
h
e
n
o
l
ug
/
L
4 ‐Br
o
m
o
p
h
e
n
y
l
p
h
e
n
y
l
 et
h
e
r
ug
/
L
4 ‐Ch
l
o
r
o
p
h
e
n
y
l
p
h
e
n
y
l
 et
h
e
r

1

u
g
/
L
4 ‐Ni
t
r
o
p
h
e
n
o
l
ug
/
L
Ac
e
n
a
p
h
t
h
e
n
e
ug
/
L
Ac
e
n
a
p
h
t
h
y
l
e
n
e
ug
/
L
Ac
r
o
l
e
i
n
ug
/
L
Ac
r
y
l
o
n
i
t
r
i
l
e
ug
/
L
Al
d
r
i
n
ug
/
L
al
p
h
a
‐BH
C
ug
/
L
An
t
h
r
a
c
e
n
e
ug
/
L
Be
n
z
e
n
e
1.
1
9

u
g
/
L
Be
n
z
i
d
i
n
e
ug
/
L
Be
n
z
o
(
a
)
a
n
t
h
r
a
c
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
a
)
p
y
r
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
b
)
f
l
u
o
r
a
n
t
h
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
g
,
h
,
i
)
p
e
r
y
l
e
n
e
ug
/
L
Be
n
z
o
(
k
)
f
l
u
o
r
a
n
t
h
e
n
e
ug
/
L
be
t
a
‐BH
C
ug
/
L
bi
s
(
2
‐Ch
l
o
r
o
e
t
h
o
x
y
)
m
e
t
h
a
n
e
ug
/
L
bi
s
(
2
‐Ch
l
o
r
o
e
t
h
y
l
)
 et
h
e
r
ug
/
L
bi
s
(
2
‐Et
h
y
l
h
e
x
y
l
)
p
h
t
h
a
l
a
t
e
ug
/
L
Br
o
m
o
d
i
c
h
l
o
r
o
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Bu
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e
0.
2
5
4

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L
Ch
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)
0.
0
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8

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0
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L
ci
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(
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3
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3
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3
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2
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2
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2
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3
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1
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1
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1
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 Do
w
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s
t
r
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a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Do
w
n
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a
m

Co
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l
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g
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n
d
 Up
s
t
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a
m
 In
a
c
t
i
v
e

As
h
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n
d
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a
c
t
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v
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h
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n
d
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w
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t
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a
m

In
a
c
t
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v
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 Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond Upstream  Inactive  Ash  Pond
10
/
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5
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Ta
b
l
e
 1  ‐

Pa
g
e
 5  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
En
d
r
i
n
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d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
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o
x
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d
e
ug
/
L
He
x
a
c
h
l
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o
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3
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t
a
d
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e
n
e

0
.
4
4

u
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/
L
He
x
a
c
h
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b
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48
8

u
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L
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/
L
In
d
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o
(
1
,
2
,
3
‐cd
)
p
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r
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n
e

0
.
0
0
2
8

u
g
/
L
Is
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p
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/
L
Me
r
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/
L
Me
t
h
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l
o
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d
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L
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p
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L
Ni
t
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L
N ‐Ni
t
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m
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L
N ‐Ni
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m
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/
L
N ‐Ni
t
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d
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p
h
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a
m
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/
L
PC
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1
6
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r
o
c
l
o
r
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1
6
)

0
.
0
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6
4

u
g
/
L
PC
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2
1
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r
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c
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2
1
)

0
.
0
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6
4

u
g
/
L
PC
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3
2
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r
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c
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3
2
)

0
.
0
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6
4

u
g
/
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PC
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4
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r
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4
2
)

0
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6
4

u
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8
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4
8
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0
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6
4

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PC
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5
4
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c
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5
4
)

0
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0
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6
4

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g
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PC
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6
0
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r
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c
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r
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6
0
)

0
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0
0
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6
4

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/
L
Pe
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c
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p
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o
l
1

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/
L
Ph
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n
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h
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n
e
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/
L
Ph
e
n
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l
ug
/
L
Py
r
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n
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L
Te
t
r
a
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h
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n
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To
l
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e
n
e
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/
L
To
x
a
p
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n
e
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/
L
tr
a
n
s
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2
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c
h
l
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r
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t
h
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n
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/
L
tr
a
n
s
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3
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c
h
l
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r
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p
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p
e
n
e
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/
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Tr
i
c
h
l
o
r
o
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t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
f
l
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o
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m
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h
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n
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/
L
Vi
n
y
l
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l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

20
1
6
0
3
3
4
4
8

2
0
1
6
0
3
3
4
5
0

2
0
1
6
0
3
3
4
5
1

2
0
1
6
0
3
3
4
7
9

2
0
1
6
0
3
3
4
8
0

2
0
1
6
0
3
3
4
8
1

2
0
1
6
0
3
3
4
8
2

2
0
1
6
0
3
3
4
8
3

2
0
1
6
0
3
3
5
3
8
J1
6
1
0
0
3
9
2

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
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4
0
4

J
1
6
1
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4
0
4

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
4
3
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond Upstream  Inactive  Ash  Pond
10
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
6
/
2
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1
6

1
0
/
1
6
/
2
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1
6

1
0
/
1
6
/
2
0
1
6

1
0
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1
6
/
2
0
1
6

1
0
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1
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2
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1
6

1
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7
/
2
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1
6
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5
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5
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5
< 0.5 < 0.5 < 0.5
Ta
b
l
e
 1  ‐

Pa
g
e
 6  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
 Le
v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
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d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
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t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
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/
L
1,
1
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2
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c
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h
a
n
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L
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1
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L
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1
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ug
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L
1,
2
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4
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c
h
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o
b
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n
z
e
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e
48
8

u
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/
L
1,
2
‐Di
c
h
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o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
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c
h
l
o
r
o
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t
h
a
n
e
ug
/
L
1,
2
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c
h
l
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o
p
r
o
p
a
n
e
ug
/
L
1,
2
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p
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n
y
l
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d
r
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z
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n
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ug
/
L
1,
3
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c
h
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b
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z
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L
1,
4
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c
h
l
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r
o
b
e
n
z
e
n
e
48
8

u
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/
L
2,
2
'
‐Ox
y
b
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s
(
1
‐ch
l
o
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o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
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c
h
l
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r
o
p
h
e
n
o
l
1

u
g
/
L
2,
4
‐Di
c
h
l
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o
p
h
e
n
o
l
70

u
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/
L
2,
4
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l
p
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o
l
ug
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L
2,
4
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p
h
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o
l
ug
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L
2,
4
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ug
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L
4 ‐Ch
l
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p
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l
ug
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L
2,
6
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ug
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L
2 ‐Ch
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l
1

u
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/
L
2 ‐Ni
t
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p
h
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/
L
3&
4
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l
p
h
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n
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(
m
&
p
 Cr
e
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l
)
ug
/
L
3,
3
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‐Di
c
h
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r
o
b
e
n
z
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d
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n
e
ug
/
L
4,
4
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‐DD
D
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/
L
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
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n
t
20
1
6
0
3
3
5
3
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1
6
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3
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2
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1
6
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7

2
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2
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9

2
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3
3
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0

2
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3
7
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4
4
3

J
1
6
1
0
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4
4
3

J
1
6
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4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
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o
l
i
n
g

Po
n
d
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 Ash  Pond  Downstream  Inactive  Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond
10
/
1
7
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2
0
1
6

1
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6

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1
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6

1
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8
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2
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1
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2
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1
6

1
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1.17 1.41 1 1.18
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2.96 2.58 6.56 2.28
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2
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Ta
b
l
e
 1  ‐

Pa
g
e
 7  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
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e
n
t
4,
4
'
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ug
/
L
4,
4
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T
0.
0
0
0
2

u
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/
L
4,
6
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n
i
t
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t
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l
p
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L
4 ‐Br
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l
p
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h
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ug
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4 ‐Ch
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p
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l
p
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l
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r

1

u
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4 ‐Ni
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Ac
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Be
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1.
1
9

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Be
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L
Be
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(
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0.
0
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Be
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Ch
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0.
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u
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Ch
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48
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20
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7

2
0
1
6
0
3
3
7
0
8

2
0
1
6
0
3
3
7
0
9

2
0
1
6
0
3
3
7
1
0

2
0
1
6
0
3
3
7
1
1
J1
6
1
0
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4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
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4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
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4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 Ash  Pond  Downstream  Inactive  Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond
10
/
1
7
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2
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1
6

1
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2
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1
0
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1
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2
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1
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1
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1
7
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2
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1
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1
0
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1
8
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2
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1
6

1
0
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1
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2
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1
6

1
0
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1
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2
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1
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Ta
b
l
e
 1  ‐

Pa
g
e
 8  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
En
d
r
i
n
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d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
 ep
o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
‐1,
3
‐bu
t
a
d
i
e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
He
x
a
c
h
l
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o
c
y
c
l
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p
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n
t
a
d
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n
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ug
/
L
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a
c
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t
h
a
n
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ug
/
L
In
d
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n
o
(
1
,
2
,
3
‐cd
)
p
y
r
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n
e

0
.
0
0
2
8

u
g
/
L
Is
o
p
h
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r
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n
e
ug
/
L
Me
r
c
u
r
y
ug
/
L
Me
t
h
y
l
e
n
e
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l
o
r
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d
e
ug
/
L
Na
p
h
t
h
a
l
e
n
e
ug
/
L
Ni
t
r
o
b
e
n
z
e
n
e
ug
/
L
N ‐Ni
t
r
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s
o
d
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m
e
t
h
y
l
a
m
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n
e
ug
/
L
N ‐Ni
t
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o
p
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m
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n
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/
L
N ‐Ni
t
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d
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p
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y
l
a
m
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ug
/
L
PC
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1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
3
2
 (A
r
o
c
l
o
r
 12
3
2
)

0
.
0
0
0
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6
4

u
g
/
L
PC
B
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4
2
 (A
r
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c
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4
2
)

0
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0
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6
4

u
g
/
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PC
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8
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r
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c
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4
8
)

0
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0
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6
4

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g
/
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PC
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4
 (A
r
o
c
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r
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5
4
)

0
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0
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6
4

u
g
/
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PC
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6
0
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r
o
c
l
o
r
 12
6
0
)

0
.
0
0
0
0
6
4

u
g
/
L
Pe
n
t
a
c
h
l
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r
o
p
h
e
n
o
l
1

u
g
/
L
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
Ph
e
n
o
l
ug
/
L
Py
r
e
n
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/
L
Te
t
r
a
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h
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r
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t
h
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n
e
ug
/
L
To
l
u
e
n
e
ug
/
L
To
x
a
p
h
e
n
e
ug
/
L
tr
a
n
s
‐1,
2
‐Di
c
h
l
o
r
o
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t
h
e
n
e
ug
/
L
tr
a
n
s
‐1,
3
‐Di
c
h
l
o
r
o
p
r
o
p
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
f
l
u
o
r
o
m
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t
h
a
n
e
ug
/
L
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

20
1
6
0
3
3
5
3
9

2
0
1
6
0
3
3
5
4
0

2
0
1
6
0
3
3
5
4
1

2
0
1
6
0
3
3
5
4
2

2
0
1
6
0
3
3
7
0
7

2
0
1
6
0
3
3
7
0
8

2
0
1
6
0
3
3
7
0
9

2
0
1
6
0
3
3
7
1
0

2
0
1
6
0
3
3
7
1
1
J1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
4
7
3
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 Ash  Pond  Downstream  Inactive  Ash  Pond  Cooling   Pond  Downstream  Cooling  Pond
10
/
1
7
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6
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0
5
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5
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5
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5
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5
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5
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5
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5
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Ta
b
l
e
 1  ‐

Pa
g
e
 9  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
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v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
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Pa
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 10
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Pa
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U
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a
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a
c
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e

As
h
 Po
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a
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a
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10
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0
5
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Ta
b
l
e
 1  ‐

Pa
g
e
 11
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
En
d
r
i
n
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d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
 ep
o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
‐1,
3
‐bu
t
a
d
i
e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
He
x
a
c
h
l
o
r
o
c
y
c
l
o
p
e
n
t
a
d
i
e
n
e
ug
/
L
He
x
a
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
In
d
e
n
o
(
1
,
2
,
3
‐cd
)
p
y
r
e
n
e

0
.
0
0
2
8

u
g
/
L
Is
o
p
h
o
r
o
n
e
ug
/
L
Me
r
c
u
r
y
ug
/
L
Me
t
h
y
l
e
n
e
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l
o
r
i
d
e
ug
/
L
Na
p
h
t
h
a
l
e
n
e
ug
/
L
Ni
t
r
o
b
e
n
z
e
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
d
i
m
e
t
h
y
l
a
m
i
n
e
ug
/
L
N ‐Ni
t
r
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o
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o
p
y
l
a
m
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n
e
ug
/
L
N ‐Ni
t
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o
d
i
p
h
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y
l
a
m
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n
e
ug
/
L
PC
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‐10
1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
3
2
 (A
r
o
c
l
o
r
 12
3
2
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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4
2
 (A
r
o
c
l
o
r
 12
4
2
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
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4
8
 (A
r
o
c
l
o
r
 12
4
8
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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5
4
 (A
r
o
c
l
o
r
 12
5
4
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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6
0
 (A
r
o
c
l
o
r
 12
6
0
)

0
.
0
0
0
0
6
4

u
g
/
L
Pe
n
t
a
c
h
l
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r
o
p
h
e
n
o
l
1

u
g
/
L
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
Ph
e
n
o
l
ug
/
L
Py
r
e
n
e
ug
/
L
Te
t
r
a
c
h
l
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r
o
e
t
h
e
n
e
ug
/
L
To
l
u
e
n
e
ug
/
L
To
x
a
p
h
e
n
e
ug
/
L
tr
a
n
s
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2
‐Di
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
tr
a
n
s
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3
‐Di
c
h
l
o
r
o
p
r
o
p
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
f
l
u
o
r
o
m
e
t
h
a
n
e
ug
/
L
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

20
1
6
0
3
3
8
8
9

2
0
1
6
0
3
3
8
9
0

2
0
1
6
0
3
3
8
9
1

2
0
1
6
0
3
3
8
9
2

2
0
1
6
0
3
3
8
9
3

2
0
1
6
0
3
4
0
3
7

2
0
1
6
0
3
4
0
3
8

2
0
1
6
0
3
4
0
3
9

2
0
1
6
0
3
4
0
4
0
J1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
4
2

J
1
6
1
0
0
5
4
2

J
1
6
1
0
0
5
4
2

J
1
6
1
0
0
5
4
2
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
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o
l
i
n
g

Po
n
d
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w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
s
t
r
e
a
m
 Inactive  
As
h
 Pond  Inactive  Ash  Pond  Downstream  Inactive  Ash  Pond  Cooling   Pond
10
/
1
9
/
2
0
1
6

1
0
/
1
9
/
2
0
1
6

1
0
/
1
9
/
2
0
1
6

1
0
/
1
9
/
2
0
1
6

1
0
/
1
9
/
2
0
1
6

1
0
/
2
0
/
2
0
1
6

1
0
/
2
0
/
2
0
1
6

1
0
/
2
0
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2
0
1
6

1
0
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2
0
/
2
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1
6
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0
5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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5
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< 2<
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Ta
b
l
e
 1  ‐

Pa
g
e
 12
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
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v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
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i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
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c
h
l
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e
t
h
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n
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ug
/
L
1,
1
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c
h
l
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r
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e
t
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n
e
ug
/
L
1,
2
,
4
‐Tr
i
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
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c
h
l
o
r
o
p
r
o
p
a
n
e
ug
/
L
1,
2
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p
h
e
n
y
l
h
y
d
r
a
z
i
n
e
ug
/
L
1,
3
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
ug
/
L
1,
4
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
'
‐Ox
y
b
i
s
(
1
‐ch
l
o
r
o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
‐Tr
i
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2,
4
‐Di
c
h
l
o
r
o
p
h
e
n
o
l
70

u
g
/
L
2,
4
‐Di
m
e
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
4 ‐Ch
l
o
r
o
‐3 ‐me
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
6
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
2 ‐Ch
l
o
r
o
e
t
h
y
l
v
i
n
y
l
 et
h
e
r
ug
/
L
2 ‐Ch
l
o
r
o
n
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Pa
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Ta
b
l
e
 1  ‐

Pa
g
e
 14
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
En
d
r
i
n
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d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
 ep
o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
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3
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t
a
d
i
e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
h
l
o
r
o
b
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n
z
e
n
e
48
8

u
g
/
L
He
x
a
c
h
l
o
r
o
c
y
c
l
o
p
e
n
t
a
d
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e
n
e
ug
/
L
He
x
a
c
h
l
o
r
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t
h
a
n
e
ug
/
L
In
d
e
n
o
(
1
,
2
,
3
‐cd
)
p
y
r
e
n
e

0
.
0
0
2
8

u
g
/
L
Is
o
p
h
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r
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n
e
ug
/
L
Me
r
c
u
r
y
ug
/
L
Me
t
h
y
l
e
n
e
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l
o
r
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d
e
ug
/
L
Na
p
h
t
h
a
l
e
n
e
ug
/
L
Ni
t
r
o
b
e
n
z
e
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
d
i
m
e
t
h
y
l
a
m
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n
e
ug
/
L
N ‐Ni
t
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o
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o
p
y
l
a
m
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n
e
ug
/
L
N ‐Ni
t
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o
d
i
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y
l
a
m
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n
e
ug
/
L
PC
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1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
3
2
 (A
r
o
c
l
o
r
 12
3
2
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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4
2
 (A
r
o
c
l
o
r
 12
4
2
)

0
.
0
0
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6
4

u
g
/
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PC
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4
8
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r
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c
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4
8
)

0
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0
0
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6
4

u
g
/
L
PC
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5
4
 (A
r
o
c
l
o
r
 12
5
4
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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6
0
 (A
r
o
c
l
o
r
 12
6
0
)

0
.
0
0
0
0
6
4

u
g
/
L
Pe
n
t
a
c
h
l
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r
o
p
h
e
n
o
l
1

u
g
/
L
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
Ph
e
n
o
l
ug
/
L
Py
r
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n
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/
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t
r
a
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h
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r
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t
h
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n
e
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/
L
To
l
u
e
n
e
ug
/
L
To
x
a
p
h
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n
e
ug
/
L
tr
a
n
s
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2
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c
h
l
o
r
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t
h
e
n
e
ug
/
L
tr
a
n
s
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3
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c
h
l
o
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o
p
r
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p
e
n
e
ug
/
L
Tr
i
c
h
l
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r
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t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
f
l
u
o
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o
m
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t
h
a
n
e
ug
/
L
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

20
1
6
0
3
4
0
4
1

2
0
1
6
0
3
4
2
0
3

2
0
1
6
0
3
4
1
9
8

2
0
1
6
0
3
4
1
9
9

2
0
1
6
0
3
4
2
0
0

2
0
1
6
0
3
4
2
0
1

2
0
1
6
0
3
4
2
0
2

2
0
1
6
0
3
4
2
1
1

2
0
1
6
0
3
4
2
0
9
J1
6
1
0
0
5
4
2

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
7
0

J
1
6
1
0
0
5
7
0
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
 Up
 Ri
v
e
r
 In
a
c
t
i
v
e

As
h
 Ba
s
i
n
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g
  Pond  Downstream  Cooling  Pond Up  River  Inactive  Ash  Basin Up  Inactive  Ash  Pond
10
/
2
0
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
2
/
2
0
1
6

1
0
/
2
2
/
2
0
1
6
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0
5
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0
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Ta
b
l
e
 1  ‐

Pa
g
e
 15
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
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v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
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w
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v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
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e
t
h
a
n
e
ug
/
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Pa
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 17
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Pa
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NC
 2B
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Ta
b
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 1  ‐

Pa
g
e
 18
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
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U
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5

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/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
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/
L
Co
p
p
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r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
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w
 Le
v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
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c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
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l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
‐Tr
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c
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l
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a
n
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/
L
1,
1
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/
L
1,
1
‐Di
c
h
l
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r
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t
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e
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/
L
1,
2
,
4
‐Tr
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c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
‐Di
c
h
l
o
r
o
p
r
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p
a
n
e
ug
/
L
1,
2
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p
h
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n
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d
r
a
z
i
n
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/
L
1,
3
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c
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b
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/
L
1,
4
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c
h
l
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o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
'
‐Ox
y
b
i
s
(
1
‐ch
l
o
r
o
p
r
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p
a
n
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)
ug
/
L
2,
4
,
6
‐Tr
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c
h
l
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o
p
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e
n
o
l
1

u
g
/
L
2,
4
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c
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o
p
h
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n
o
l
70

u
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/
L
2,
4
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l
p
h
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o
l
ug
/
L
2,
4
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p
h
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o
l
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/
L
2,
4
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L
4 ‐Ch
l
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t
h
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l
p
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l
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/
L
2,
6
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t
r
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t
o
l
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n
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L
2 ‐Ch
l
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h
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n
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L
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l
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a
p
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t
h
a
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n
e
ug
/
L
2 ‐Ch
l
o
r
o
p
h
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n
o
l
1

u
g
/
L
2 ‐Ni
t
r
o
p
h
e
n
o
l
ug
/
L
3&
4
‐Me
t
h
y
l
p
h
e
n
o
l
(
m
&
p
 Cr
e
s
o
l
)
ug
/
L
3,
3
'
‐Di
c
h
l
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r
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b
e
n
z
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d
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n
e
ug
/
L
4,
4
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‐DD
D
ug
/
L
Ta
b
l
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 1:
Sa
m
p
l
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n
g
 Ev
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n
t
20
1
6
0
3
4
2
1
3

2
0
1
6
0
3
4
4
6
8

2
0
1
6
0
3
4
4
6
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2
0
1
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4
4
6
1

2
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1
6
0
3
4
4
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2

2
0
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6
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3
4
4
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3

2
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6
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3
4
4
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4
J1
6
1
0
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5
7
1

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0
 Do
w
n
 Co
o
l
i
n
g
 Po
n
d
 Up
 Ri
v
e
r
 In
a
c
t
i
v
e

As
h
 Ba
s
i
n
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
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a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g
  Pond  Downstream  Cooling  Pond
10
/
2
3
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
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2
4
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2
0
1
6
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2
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5
2
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5
< 1 2.05
2.
2
9
< 1
2.
2
1
2.
9
1
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3
3
8.06 2.4
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7
6
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3
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2
4
5.
4
7
2.
6
1.09 2.68
1.
4
5
< 1
1.
7
1.
5
3
2.
1
1.03 2.08
1.
7
8
1.
7
5
1.
4
3
2.
4
2
1.
5
3
1.1 1.51
< 1<
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< 0.
3
< 0.
3
< 0.
3
< 0.
3
< 0.
3
< 0.3 < 0.3
< 0.
2
< 0.
2
< 0.
2
< 0.
2
< 0.
2
< 0.2 < 0.2
7.
4
6
11
.
3
6.
7
7
10
.
4
7.
8
5
< 5 8.34
< 0.
0
5
< 0.
0
5
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0
5
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5
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5
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< 0.
0
0
8
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< 5
< 5
< 5
< 5
< 5
< 5
< 10
< 25
< 0.
0
5
Ta
b
l
e
 1  ‐

Pa
g
e
 19
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 1:
Sa
m
p
l
i
n
g
 Ev
e
n
t
4,
4
'
‐DD
E
ug
/
L
4,
4
'
‐DD
T
0.
0
0
0
2

u
g
/
L
4,
6
‐Di
n
i
t
r
o
‐2 ‐me
t
h
y
l
p
h
e
n
o
l
ug
/
L
4 ‐Br
o
m
o
p
h
e
n
y
l
p
h
e
n
y
l
 et
h
e
r
ug
/
L
4 ‐Ch
l
o
r
o
p
h
e
n
y
l
p
h
e
n
y
l
 et
h
e
r

1

u
g
/
L
4 ‐Ni
t
r
o
p
h
e
n
o
l
ug
/
L
Ac
e
n
a
p
h
t
h
e
n
e
ug
/
L
Ac
e
n
a
p
h
t
h
y
l
e
n
e
ug
/
L
Ac
r
o
l
e
i
n
ug
/
L
Ac
r
y
l
o
n
i
t
r
i
l
e
ug
/
L
Al
d
r
i
n
ug
/
L
al
p
h
a
‐BH
C
ug
/
L
An
t
h
r
a
c
e
n
e
ug
/
L
Be
n
z
e
n
e
1.
1
9

u
g
/
L
Be
n
z
i
d
i
n
e
ug
/
L
Be
n
z
o
(
a
)
a
n
t
h
r
a
c
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
a
)
p
y
r
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
b
)
f
l
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o
r
a
n
t
h
e
n
e
0.
0
0
2
8

u
g
/
L
Be
n
z
o
(
g
,
h
,
i
)
p
e
r
y
l
e
n
e
ug
/
L
Be
n
z
o
(
k
)
f
l
u
o
r
a
n
t
h
e
n
e
ug
/
L
be
t
a
‐BH
C
ug
/
L
bi
s
(
2
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l
o
r
o
e
t
h
o
x
y
)
m
e
t
h
a
n
e
ug
/
L
bi
s
(
2
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l
o
r
o
e
t
h
y
l
)
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h
e
r
ug
/
L
bi
s
(
2
‐Et
h
y
l
h
e
x
y
l
)
p
h
t
h
a
l
a
t
e
ug
/
L
Br
o
m
o
d
i
c
h
l
o
r
o
m
e
t
h
a
n
e
ug
/
L
Br
o
m
o
f
o
r
m
ug
/
L
Br
o
m
o
m
e
t
h
a
n
e
ug
/
L
Bu
t
y
l
b
e
n
z
y
l
p
h
t
h
a
l
a
t
e
ug
/
L
Ca
r
b
o
n
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t
r
a
c
h
l
o
r
i
d
e
0.
2
5
4

u
g
/
L
Ch
l
o
r
d
a
n
e
 (T
e
c
h
n
i
c
a
l
)
0.
0
0
0
8

u
g
/
L
Ch
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
Ch
l
o
r
o
e
t
h
a
n
e
ug
/
L
Ch
l
o
r
o
f
o
r
m
ug
/
L
Ch
l
o
r
o
m
e
t
h
a
n
e
ug
/
L
Ch
r
y
s
e
n
e
0.
0
0
2
8

u
g
/
L
ci
s
‐1,
3
‐Di
c
h
l
o
r
o
p
r
o
p
e
n
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ug
/
L
de
l
t
a
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C
ug
/
L
Di
b
e
n
z
(
a
,
h
)
a
n
t
h
r
a
c
e
n
e

0
.
0
0
2
8

u
g
/
L
Di
b
r
o
m
o
c
h
l
o
r
o
m
e
t
h
a
n
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ug
/
L
Di
e
l
d
r
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n
0.
0
0
0
0
5

u
g
/
L
Di
e
t
h
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l
p
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t
h
a
l
a
t
e
ug
/
L
Di
m
e
t
h
y
l
p
h
t
h
a
l
a
t
e
ug
/
L
Di
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t
y
l
p
h
t
h
a
l
a
t
e
ug
/
L
Di
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t
y
l
p
h
t
h
a
l
a
t
e
ug
/
L
En
d
o
s
u
l
f
a
n
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ug
/
L
En
d
o
s
u
l
f
a
n
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ug
/
L
En
d
o
s
u
l
f
a
n
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l
f
a
t
e
ug
/
L
En
d
r
i
n
ug
/
L
20
1
6
0
3
4
2
1
3

2
0
1
6
0
3
4
4
6
8

2
0
1
6
0
3
4
4
6
0

2
0
1
6
0
3
4
4
6
1

2
0
1
6
0
3
4
4
6
2

2
0
1
6
0
3
4
4
6
3

2
0
1
6
0
3
4
4
6
4
J1
6
1
0
0
5
7
1

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
6
2
0
 Do
w
n
 Co
o
l
i
n
g
 Po
n
d
 Up
 Ri
v
e
r
 In
a
c
t
i
v
e

As
h
 Ba
s
i
n
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
 In
a
c
t
i
v
e
 As
h
 Po
n
d
 Do
w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 As
h
 Po
n
d
 Co
o
l
i
n
g
  Pond  Downstream  Cooling  Pond
10
/
2
3
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6
< 0.
0
5
< 0.
0
5
< 20
< 5
< 5
< 50
< 5
< 5
< 5
< 50
< 0.
0
5
< 0.
0
5
< 5
< 2
< 50
< 5
< 5
< 5
< 5
< 5
< 0.
0
5
< 10
< 5
< 5
< 2
< 2
< 2
< 5
< 2
< 0.
5
< 2
< 2
< 2
< 2
< 5
< 2
< 0.
0
5
< 5
< 2
< 0.
0
5
< 5
< 5
< 5
< 5
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.
0
5
Ta
b
l
e
 1  ‐

Pa
g
e
 20
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
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L
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0
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0
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48
8

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NC
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Ch
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Gr
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20
1
6
0
3
4
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2
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3
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8

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2
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2
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2
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3
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4
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6
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1

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1
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J
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J
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J
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6
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0
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 Co
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g
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r
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a
c
t
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As
h
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s
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s
t
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a
m
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a
c
t
i
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As
h
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n
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a
c
t
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h
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w
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s
t
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a
m

In
a
c
t
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v
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h
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l
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g
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10
/
2
3
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
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2
4
/
2
0
1
6

1
0
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2
4
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2
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1
6

1
0
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2
4
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2
0
1
6

1
0
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2
4
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2
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6

1
0
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2
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6
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0
5
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5
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5
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0
5
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5
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5
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5
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Ta
b
l
e
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Pa
g
e
 21
 of
 21
20
1
6
0
3
4
2
0
3

2
0
1
6
0
3
4
2
1
1

2
0
1
6
0
3
4
2
1
7

2
0
1
6
0
3
4
4
6
8

2
0
1
6
0
3
3
4
4
6

2
0
1
6
0
3
3
4
7
9

2
0
1
6
0
3
3
5
3
8

2
0
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6
0
3
3
7
0
7

2
0
1
6
0
3
3
8
8
9
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6
1
0
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5
6
8

J
1
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J
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J
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0

J
1
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9
2

J
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0
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4

J
1
6
1
0
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4
4
3

J
1
6
1
0
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4
7
3

J
1
6
1
0
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1
2
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v
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r
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a
c
t
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v
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As
h
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s
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a
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t
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h
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s
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n
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a
c
t
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a
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As
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n
d
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s
t
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a
m
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As
h
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10
/
2
1
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2
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1
6

1
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2
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/
2
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1
6

1
0
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2
3
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6

1
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2
4
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1
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1
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1
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1
6

1
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1
7
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6

1
0
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1
8
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2
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1
6

1
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2
0
1
6
Pa
r
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t
e
r
NC
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m
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s

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/
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u
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u
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9

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10
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1
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2
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6

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NC
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20
1
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3

2
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0
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4
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1
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3
4
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7

2
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4
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8

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6
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3
3
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6

2
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3
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9

2
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3
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2
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2
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8
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a
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10
/
2
1
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2
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2
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NC
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m
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o
d
i
p
h
e
n
y
l
a
m
i
n
e
ug
/
L

<
 10
< 10
< 10
PC
B
‐10
1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
5
< 0.
5
< 0.
5
PC
B
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2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
5
< 0.
5
< 0.
5
PC
B
‐12
3
2
 (A
r
o
c
l
o
r
 12
3
2
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
5
< 0.
5
< 0.
5
PC
B
‐12
4
2
 (A
r
o
c
l
o
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 12
4
2
)

0
.
0
0
0
0
6
4

u
g
/
L
< 0.
5
< 0.
5
< 0.
5
PC
B
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4
8
 (A
r
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 12
4
8
)

0
.
0
0
0
0
6
4

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g
/
L
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5
< 0.
5
< 0.
5
PC
B
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4
 (A
r
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c
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o
r
 12
5
4
)

0
.
0
0
0
0
6
4

u
g
/
L
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5
< 0.
5
< 0.
5
PC
B
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0
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 12
6
0
)

0
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0
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4

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L
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5
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5
Pe
n
t
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1

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L
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Ph
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n
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/
L

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Ph
e
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L

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Py
r
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/
L

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/
L

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To
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L

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5
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5
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5
tr
a
n
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2
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/
L

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tr
a
n
s
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h
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p
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o
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e
ug
/
L

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Tr
i
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e
t
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n
e
ug
/
L

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Tr
i
c
h
l
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l
u
o
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o
m
e
t
h
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n
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ug
/
L

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Vi
n
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 ch
l
o
r
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e
0.
0
2
5

u
g
/
L
< 2<
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NC
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Re
d
Ch
r
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i
c
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l
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e
s
Gr
n
.

A
Ac
t
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o
n
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v
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l
Ha
r
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t
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t
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l
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m
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c
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n
d
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r
d
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a
c
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l
a
t
e
d
 at
 25
 mg
/
l
To
t
a
l
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c
o
v
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r
a
b
l
e
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s
e
d
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S
 of
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/
L
.
Va
l
u
e
 is
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r
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 VI
Ta
b
l
e
 2  ‐

Pa
g
e
 3  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
 Le
v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
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i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
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c
h
l
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r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
h
l
o
r
o
e
t
h
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n
e
ug
/
L
1,
2
,
4
‐Tr
i
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
‐Di
c
h
l
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o
p
r
o
p
a
n
e
ug
/
L
1,
2
‐Di
p
h
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n
y
l
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y
d
r
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n
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ug
/
L
1,
3
‐Di
c
h
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o
b
e
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z
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e
ug
/
L
1,
4
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
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y
b
i
s
(
1
‐ch
l
o
r
o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
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c
h
l
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p
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n
o
l
1

u
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/
L
2,
4
‐Di
c
h
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p
h
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o
l
70

u
g
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L
2,
4
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L
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4
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L
2,
4
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/
L
4 ‐Ch
l
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t
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L
2,
6
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L
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h
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r
ug
/
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l
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a
p
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t
h
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n
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L
2 ‐Ch
l
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p
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1

u
g
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L
2 ‐Ni
t
r
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p
h
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n
o
l
ug
/
L
3&
4
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t
h
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l
p
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n
o
l
(
m
&
p
 Cr
e
s
o
l
)
ug
/
L
3,
3
'
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c
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l
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b
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n
z
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d
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n
e
ug
/
L
4,
4
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D
ug
/
L
Ta
b
l
e
 2:
Lo
c
a
t
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o
n
 of
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m
p
l
e
20
1
6
0
3
4
0
3
7

2
0
1
6
0
3
4
1
9
8

2
0
1
6
0
3
4
2
0
9

2
0
1
6
0
3
4
2
1
5

2
0
1
6
0
3
4
4
6
0

2
0
1
6
0
3
3
4
4
7

2
0
1
6
0
3
3
4
8
0

2
0
1
6
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3
3
5
3
9

2
0
1
6
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3
3
7
0
8
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6
1
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4
2

J
1
6
1
0
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6
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J
1
6
1
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7
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J
1
6
1
0
0
5
7
1

J
1
6
1
0
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6
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J
1
6
1
0
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9
2

J
1
6
1
0
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4
0
4

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
7
3
 Up
s
t
r
e
a
m
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a
c
t
i
v
e

As
h
 Po
n
d
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s
t
r
e
a
m
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a
c
t
i
v
e

As
h
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n
d
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a
c
t
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v
e
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h

Po
n
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a
c
t
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v
e
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h

Po
n
d
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s
t
r
e
a
m
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a
c
t
i
v
e

As
h
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n
d
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a
c
t
i
v
e
 Ash  Pond  Inactive  Ash  Pond  Inactive  Ash  Pond  Inactive  Ash  Pond
10
/
2
0
/
2
0
1
6

1
0
/
2
1
/
2
0
1
6

1
0
/
2
2
/
2
0
1
6

1
0
/
2
3
/
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0
1
6

1
0
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2
4
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2
0
1
6

1
0
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5
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2
0
1
6

1
0
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1
6
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2
0
1
6

1
0
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1
7
/
2
0
1
6

1
0
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1
8
/
2
0
1
6
< 1<
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1
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1
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2
1.68 1.41 1.38 1.17
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3
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2.
2
1
3.44 3.64 3.4 2.96
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5
5
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6
6
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4
8
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2
4
1.88 1.46 1.62 1.83
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9
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7
1.26 1.03 1.12 1.44
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1.28 3.54 < 1< 1
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3
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2
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2
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2
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13
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7
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6.79 8.62 9.26 11.1
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Ta
b
l
e
 2  ‐

Pa
g
e
 4  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
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Lo
c
a
t
i
o
n
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m
p
l
e
4,
4
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E
ug
/
L
4,
4
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T
0.
0
0
0
2

u
g
/
L
4,
6
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n
i
t
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t
h
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l
p
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ug
/
L
4 ‐Br
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m
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p
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l
p
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y
l
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h
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r
ug
/
L
4 ‐Ch
l
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p
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y
l
p
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y
l
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h
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r
1

u
g
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4 ‐Ni
t
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p
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l
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/
L
Ac
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/
L
Al
d
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t
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Be
n
z
e
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1.
1
9

u
g
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L
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n
z
i
d
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ug
/
L
Be
n
z
o
(
a
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n
t
h
r
a
c
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n
e
0.
0
0
2
8

u
g
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L
Be
n
z
o
(
a
)
p
y
r
e
n
e
0.
0
0
2
8

u
g
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L
Be
n
z
o
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f
l
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o
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t
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e
0.
0
0
2
8

u
g
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L
Be
n
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,
i
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p
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Be
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h
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/
L
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t
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C
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L
bi
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2
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l
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h
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y
)
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2
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l
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2
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l
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Bu
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/
L
Ca
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b
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t
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c
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l
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r
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d
e
0.
2
5
4

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/
L
Ch
l
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a
n
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c
h
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c
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l
)
0.
0
0
0
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u
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/
L
Ch
l
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48
8

u
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/
L
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0.
0
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2
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/
L
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0.
0
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L
Di
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n
0.
0
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L
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L
Di
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Di
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1
6
0
3
4
0
3
7

2
0
1
6
0
3
4
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9
8

2
0
1
6
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3
4
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2
0
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2
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3
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1
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1
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s
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c
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a
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10
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Ta
b
l
e
 2  ‐

Pa
g
e
 5  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 2:
Lo
c
a
t
i
o
n
 of
 Sa
m
p
l
e
En
d
r
i
n
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d
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h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
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a
n
t
h
e
n
e
ug
/
L
Fl
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o
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n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
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o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
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3
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t
a
d
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e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
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b
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48
8

u
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/
L
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x
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c
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l
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c
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t
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/
L
In
d
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(
1
,
2
,
3
‐cd
)
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e

0
.
0
0
2
8

u
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/
L
Is
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p
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/
L
Me
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y
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/
L
Me
t
h
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l
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/
L
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p
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/
L
Ni
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b
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/
L
N ‐Ni
t
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a
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/
L
N ‐Ni
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/
L
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/
L
PC
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‐10
1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
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6
4

u
g
/
L
PC
B
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2
1
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r
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c
l
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 12
2
1
)

0
.
0
0
0
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6
4

u
g
/
L
PC
B
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3
2
 (A
r
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c
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3
2
)

0
.
0
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6
4

u
g
/
L
PC
B
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4
2
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r
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c
l
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4
2
)

0
.
0
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6
4

u
g
/
L
PC
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4
8
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r
o
c
l
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4
8
)

0
.
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6
4

u
g
/
L
PC
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5
4
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r
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c
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5
4
)

0
.
0
0
0
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6
4

u
g
/
L
PC
B
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6
0
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r
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c
l
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 12
6
0
)

0
.
0
0
0
0
6
4

u
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/
L
Pe
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t
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c
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p
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l
1

u
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/
L
Ph
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n
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h
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e
n
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/
L
Ph
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L
Py
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Te
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a
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To
l
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L
To
x
a
p
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n
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L
tr
a
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2
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c
h
l
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h
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/
L
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3
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c
h
l
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p
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p
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ug
/
L
Tr
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c
h
l
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t
h
e
n
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ug
/
L
Tr
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c
h
l
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f
l
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o
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o
m
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h
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n
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ug
/
L
Vi
n
y
l
 ch
l
o
r
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d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

A
20
1
6
0
3
4
0
3
7

2
0
1
6
0
3
4
1
9
8

2
0
1
6
0
3
4
2
0
9

2
0
1
6
0
3
4
2
1
5

2
0
1
6
0
3
4
4
6
0

2
0
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6
0
3
3
4
4
7

2
0
1
6
0
3
3
4
8
0

2
0
1
6
0
3
3
5
3
9

2
0
1
6
0
3
3
7
0
8
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6
1
0
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5
4
2

J
1
6
1
0
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6
8

J
1
6
1
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7
0

J
1
6
1
0
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5
7
1

J
1
6
1
0
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6
2
0

J
1
6
1
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3
9
2

J
1
6
1
0
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4
0
4

J
1
6
1
0
0
4
4
3

J
1
6
1
0
0
4
7
3
 Up
s
t
r
e
a
m
 In
a
c
t
i
v
e

As
h
 Po
n
d
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s
t
r
e
a
m
 In
a
c
t
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v
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As
h
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n
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a
c
t
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h

Po
n
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a
c
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h

Po
n
d
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s
t
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a
m
 In
a
c
t
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v
e

As
h
 Po
n
d
 In
a
c
t
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v
e
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10
/
2
0
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2
0
1
6

1
0
/
2
1
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2
0
1
6

1
0
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2
2
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2
0
1
6

1
0
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3
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1
6

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6

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Ta
b
l
e
 2  ‐

Pa
g
e
 6  of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
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Pa
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Pa
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 9  of
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Pa
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 2B
 Li
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Ta
b
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 2  ‐

Pa
g
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 11
 of
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Pa
r
a
m
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t
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r
NC
 2B
 Li
m
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t
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U
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Ta
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0.
0
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0
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4
4

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8

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6
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0.
0
2
5

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L
NC
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Ch
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l
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s
Gr
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20
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6
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3
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2
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3
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2
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3
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2
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2
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4

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1
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 Do
w
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s
t
r
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a
m

In
a
c
t
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 As
h
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n
d
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w
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t
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m

In
a
c
t
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h
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d
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w
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t
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a
m

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a
c
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h
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w
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t
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a
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w
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a
c
t
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h
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n
d
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w
n
s
t
r
e
a
m

In
a
c
t
i
v
e
 Ash  Pond Down  Inactive  Ash  Pond Down  Inactive  Ash  Pond Downstream  Inactive  Ash  Pond
10
/
1
6
/
2
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Ta
b
l
e
 2  ‐

Pa
g
e
 12
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
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w
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v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
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r
)
11
ug
/
L
Co
p
p
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r
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)
7.
9
A
ug
/
L
Ir
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n
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e
)
mg
/
L
Le
a
d
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b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
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)
5

u
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/
L
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l
v
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r
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g
)
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w
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v
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l
ug
/
L
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a
l
l
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m
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l
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v
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l
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L
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n
)
12
6
.
7
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ug
/
L
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r
c
u
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y
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g
)
12

u
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/
L
Oi
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d
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e
a
s
e
mg
/
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TS
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mg
/
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Cy
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n
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d
e
mg
/
L
Di
o
x
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n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
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n
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/
L
1,
1
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2
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2
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t
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a
c
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r
o
e
t
h
a
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e

0
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1
7

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Ta
b
l
e
 2  ‐

Pa
g
e
 14
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 2:
Lo
c
a
t
i
o
n
 of
 Sa
m
p
l
e
En
d
r
i
n
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d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
 ep
o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
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3
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t
a
d
i
e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
He
x
a
c
h
l
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r
o
c
y
c
l
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p
e
n
t
a
d
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e
n
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ug
/
L
He
x
a
c
h
l
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t
h
a
n
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ug
/
L
In
d
e
n
o
(
1
,
2
,
3
‐cd
)
p
y
r
e
n
e

0
.
0
0
2
8

u
g
/
L
Is
o
p
h
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r
o
n
e
ug
/
L
Me
r
c
u
r
y
ug
/
L
Me
t
h
y
l
e
n
e
 Ch
l
o
r
i
d
e
ug
/
L
Na
p
h
t
h
a
l
e
n
e
ug
/
L
Ni
t
r
o
b
e
n
z
e
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
d
i
m
e
t
h
y
l
a
m
i
n
e
ug
/
L
N ‐Ni
t
r
o
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o
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o
p
y
l
a
m
i
n
e
ug
/
L
N ‐Ni
t
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o
d
i
p
h
e
n
y
l
a
m
i
n
e
ug
/
L
PC
B
‐10
1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
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3
2
 (A
r
o
c
l
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r
 12
3
2
)

0
.
0
0
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4

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g
/
L
PC
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2
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r
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c
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4
2
)

0
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0
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4

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g
/
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8
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4
8
)

0
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0
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4

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g
/
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4
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r
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c
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r
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5
4
)

0
.
0
0
0
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6
4

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g
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PC
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0
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r
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r
 12
6
0
)

0
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0
0
0
0
6
4

u
g
/
L
Pe
n
t
a
c
h
l
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r
o
p
h
e
n
o
l
1

u
g
/
L
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
Ph
e
n
o
l
ug
/
L
Py
r
e
n
e
ug
/
L
Te
t
r
a
c
h
l
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r
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t
h
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n
e
ug
/
L
To
l
u
e
n
e
ug
/
L
To
x
a
p
h
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n
e
ug
/
L
tr
a
n
s
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2
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c
h
l
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t
h
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e
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/
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tr
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n
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3
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c
h
l
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p
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p
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n
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ug
/
L
Tr
i
c
h
l
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r
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t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
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l
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o
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o
m
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t
h
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n
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ug
/
L
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

A
20
1
5
0
0
1
2
3
2

2
0
1
6
0
3
3
0
9
9

2
0
1
6
0
3
3
2
3
6

2
0
1
6
0
3
3
4
5
0

2
0
1
6
0
3
3
4
8
2

2
0
1
6
0
3
3
5
4
1

2
0
1
6
0
3
3
7
1
0

2
0
1
6
0
3
3
8
9
2

2
0
1
6
0
3
4
0
4
0
J1
5
0
1
0
3
1
0

J
1
6
1
0
0
3
3
6

J
1
6
1
0
0
3
6
0

J
1
6
1
0
0
3
9
2

J
1
6
1
0
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4

J
1
6
1
0
0
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4
3

J
1
6
1
0
0
4
7
3

J
1
6
1
0
0
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1
2

J
1
6
1
0
0
5
4
2
Ou
t
f
a
l
l
 00
2
 CO
O
L
I
N
G
 PO
N
D

C
O
O
L
I
N
G
 PO
N
D
 Co
o
l
i
n
g

Po
n
d
 Co
o
l
i
n
g

Po
n
d
 Co
o
l
i
n
g
  Pond  Cooling   Pond  Cooling   Pond  Cooling   Pond
1/
2
7
/
2
0
1
5

1
0
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1
2
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2
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1
6

1
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1
3
/
2
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1
6

1
0
/
1
5
/
2
0
1
6

1
0
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1
6
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6

1
0
/
1
8
/
2
0
1
6

1
0
/
1
9
/
2
0
1
6

1
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6
Hi
s
t
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i
c
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t
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5
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5
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5
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5
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Ta
b
l
e
 2  ‐

Pa
g
e
 15
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
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v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
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c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
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c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
1,
2
,
4
‐Tr
i
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
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c
h
l
o
r
o
p
r
o
p
a
n
e
ug
/
L
1,
2
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p
h
e
n
y
l
h
y
d
r
a
z
i
n
e
ug
/
L
1,
3
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
ug
/
L
1,
4
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
'
‐Ox
y
b
i
s
(
1
‐ch
l
o
r
o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
‐Tr
i
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2,
4
‐Di
c
h
l
o
r
o
p
h
e
n
o
l
70

u
g
/
L
2,
4
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m
e
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
p
h
e
n
o
l
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< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.05 < 0.05 < 0.05 < 0.05
< 0.
0
5
< 0.
0
5
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0
5
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0
5
< 0.
0
5
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0
5
< 0.05 < 0.05 < 0.05 < 0.05
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.05 < 0.05 < 0.05 < 0.05
Ta
b
l
e
 2  ‐

Pa
g
e
 17
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
Ta
b
l
e
 2:
Lo
c
a
t
i
o
n
 of
 Sa
m
p
l
e
En
d
r
i
n
 al
d
e
h
y
d
e
ug
/
L
Et
h
y
l
b
e
n
z
e
n
e
ug
/
L
Fl
u
o
r
a
n
t
h
e
n
e
ug
/
L
Fl
u
o
r
e
n
e
ug
/
L
ga
m
m
a
‐BH
C
 (L
i
n
d
a
n
e
)
ug
/
L
He
p
t
a
c
h
l
o
r
0.
0
0
0
0
8

u
g
/
L
He
p
t
a
c
h
l
o
r
 ep
o
x
i
d
e
ug
/
L
He
x
a
c
h
l
o
r
o
‐1,
3
‐bu
t
a
d
i
e
n
e

0
.
4
4

u
g
/
L
He
x
a
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
He
x
a
c
h
l
o
r
o
c
y
c
l
o
p
e
n
t
a
d
i
e
n
e
ug
/
L
He
x
a
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
In
d
e
n
o
(
1
,
2
,
3
‐cd
)
p
y
r
e
n
e

0
.
0
0
2
8

u
g
/
L
Is
o
p
h
o
r
o
n
e
ug
/
L
Me
r
c
u
r
y
ug
/
L
Me
t
h
y
l
e
n
e
 Ch
l
o
r
i
d
e
ug
/
L
Na
p
h
t
h
a
l
e
n
e
ug
/
L
Ni
t
r
o
b
e
n
z
e
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
d
i
m
e
t
h
y
l
a
m
i
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
‐di
‐n ‐pr
o
p
y
l
a
m
i
n
e
ug
/
L
N ‐Ni
t
r
o
s
o
d
i
p
h
e
n
y
l
a
m
i
n
e
ug
/
L
PC
B
‐10
1
6
 (A
r
o
c
l
o
r
 10
1
6
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
2
1
 (A
r
o
c
l
o
r
 12
2
1
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
3
2
 (A
r
o
c
l
o
r
 12
3
2
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
4
2
 (A
r
o
c
l
o
r
 12
4
2
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
4
8
 (A
r
o
c
l
o
r
 12
4
8
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
5
4
 (A
r
o
c
l
o
r
 12
5
4
)

0
.
0
0
0
0
6
4

u
g
/
L
PC
B
‐12
6
0
 (A
r
o
c
l
o
r
 12
6
0
)

0
.
0
0
0
0
6
4

u
g
/
L
Pe
n
t
a
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
Ph
e
n
a
n
t
h
r
e
n
e
ug
/
L
Ph
e
n
o
l
ug
/
L
Py
r
e
n
e
ug
/
L
Te
t
r
a
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
To
l
u
e
n
e
ug
/
L
To
x
a
p
h
e
n
e
ug
/
L
tr
a
n
s
‐1,
2
‐Di
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
tr
a
n
s
‐1,
3
‐Di
c
h
l
o
r
o
p
r
o
p
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
Tr
i
c
h
l
o
r
o
f
l
u
o
r
o
m
e
t
h
a
n
e
ug
/
L
Vi
n
y
l
 ch
l
o
r
i
d
e
0.
0
2
5

u
g
/
L
NC
 2B
Re
d
Ch
r
o
n
i
c
 Va
l
u
e
s
Gr
n
.

A
20
1
6
0
3
4
2
0
1

2
0
1
6
0
3
4
2
0
6

2
0
1
6
0
3
4
2
1
2

2
0
1
6
0
3
4
4
6
3

2
0
1
6
0
3
3
1
0
0

2
0
1
6
0
3
3
2
3
8

2
0
1
6
0
3
3
4
5
1

2
0
1
6
0
3
3
4
8
3

2
0
1
6
0
3
3
5
4
2
J1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
7
0

J
1
6
1
0
0
5
7
1

J
1
6
1
0
0
6
2
0

J
1
6
1
0
0
3
3
6

J
1
6
1
0
0
3
6
0

J
1
6
1
0
0
3
9
2

J
1
6
1
0
0
4
0
4

J
1
6
1
0
0
4
4
3
 Co
o
l
i
n
g

Po
n
d
 CO
O
L
I
N
G
 PO
N
D
 Co
o
l
i
n
g

Po
n
d
 Co
o
l
i
n
g

Po
n
d
 DO
W
N
S
T
R
E
A
M

D
O
W
N
S
T
R
E
A
M
 Downstream  Cooling  Pond Downstream  Cooling  Pond Downstream  Cooling  Pond
10
/
2
1
/
2
0
1
6

1
0
/
2
2
/
2
0
1
6

1
0
/
2
3
/
2
0
1
6

1
0
/
2
4
/
2
0
1
6

1
0
/
1
2
/
2
0
1
6

1
0
/
1
3
/
2
0
1
6

1
0
/
1
5
/
2
0
1
6

1
0
/
1
6
/
2
0
1
6

1
0
/
1
7
/
2
0
1
6
< 0.
0
5
< 0.
0
5
< 0.
0
5
< 0.05 < 0.05 < 0.05 < 0.05
< 2<
 2<
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< 5<
 5<
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< 5<
 5<
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< 0.
0
5
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0
5
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0
5
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0
5
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0
5
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0
5
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0
5
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0
5
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0
5
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< 10 < 10 < 10 < 10
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< 10
< 10
< 10
< 10 < 10 < 10 < 10 < 0.2
< 2<
 2<
 2< 2< 2
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< 5<
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5
< 0.
5
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5
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5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 10
< 10
< 10
< 10 < 10 < 10 < 10
< 5<
 5<
 5< 5< 5< 5< 5
< 5<
 5<
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< 5<
 5<
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< 2<
 2<
 2< 2< 2
< 2<
 2<
 2< 2< 2
< 0.
5
< 0.
5
< 0.
5
< 0.5 < 0.5 < 0.5 < 0.5
< 2<
 2<
 2< 2< 2
< 2<
 2<
 2< 2< 2
< 2<
 2<
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< 2<
 2<
 2< 2< 2
< 2<
 2<
 2< 2< 2
Ta
b
l
e
 2  ‐

Pa
g
e
 18
 of
 21
Pa
r
a
m
e
t
e
r
NC
 2B
 Li
m
i
t
s

U
n
i
t
s
An
t
i
m
o
n
y
 (S
b
)
ug
/
L
Ar
s
e
n
i
c
 (A
s
)
10

u
g
/
L
Be
r
y
l
l
i
u
m
 (B
e
)
6.
5

u
g
/
L
Ca
d
m
i
u
m
 (C
d
)
 Lo
w
 Le
v
e
l
0.
5
9
ug
/
L
Ch
r
o
m
i
u
m
 (C
r
)
11
ug
/
L
Co
p
p
e
r
 (C
u
)
7.
9
A
ug
/
L
Ir
o
n
 (F
e
)
mg
/
L
Le
a
d
 (P
b
)
2.
9
4
ug
/
L
Ni
c
k
e
l
 (N
i
)
25

u
g
/
L
Se
l
e
n
i
u
m
 (S
e
)
5

u
g
/
L
Si
l
v
e
r
 (A
g
)
 Lo
w
 Le
v
e
l
ug
/
L
Th
a
l
l
i
u
m
 (T
l
)
 Lo
w
 Le
v
e
l
ug
/
L
Zi
n
c
 (Z
n
)
12
6
.
7
A
ug
/
L
Me
r
c
u
r
y
 (H
g
)
12

u
g
/
L
Oi
l
 an
d
 Gr
e
a
s
e
mg
/
L
TS
S
mg
/
L
Cy
a
n
i
d
e
mg
/
L
Di
o
x
i
n
0.
0
0
0
0
0
5

n
g
/
L
1,
1
,
1
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
,
2
,
2
‐Te
t
r
a
c
h
l
o
r
o
e
t
h
a
n
e

0
.
1
7

u
g
/
L
1,
1
,
2
‐Tr
i
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
1
‐Di
c
h
l
o
r
o
e
t
h
e
n
e
ug
/
L
1,
2
,
4
‐Tr
i
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
1,
2
‐Di
c
h
l
o
r
o
e
t
h
a
n
e
ug
/
L
1,
2
‐Di
c
h
l
o
r
o
p
r
o
p
a
n
e
ug
/
L
1,
2
‐Di
p
h
e
n
y
l
h
y
d
r
a
z
i
n
e
ug
/
L
1,
3
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
ug
/
L
1,
4
‐Di
c
h
l
o
r
o
b
e
n
z
e
n
e
48
8

u
g
/
L
2,
2
'
‐Ox
y
b
i
s
(
1
‐ch
l
o
r
o
p
r
o
p
a
n
e
)
ug
/
L
2,
4
,
6
‐Tr
i
c
h
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2,
4
‐Di
c
h
l
o
r
o
p
h
e
n
o
l
70

u
g
/
L
2,
4
‐Di
m
e
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
p
h
e
n
o
l
ug
/
L
2,
4
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
4 ‐Ch
l
o
r
o
‐3 ‐me
t
h
y
l
p
h
e
n
o
l
ug
/
L
2,
6
‐Di
n
i
t
r
o
t
o
l
u
e
n
e
ug
/
L
2 ‐Ch
l
o
r
o
e
t
h
y
l
v
i
n
y
l
 et
h
e
r
ug
/
L
2 ‐Ch
l
o
r
o
n
a
p
h
t
h
a
l
e
n
e
ug
/
L
2 ‐Ch
l
o
r
o
p
h
e
n
o
l
1

u
g
/
L
2 ‐Ni
t
r
o
p
h
e
n
o
l
ug
/
L
3&
4
‐Me
t
h
y
l
p
h
e
n
o
l
(
m
&
p
 Cr
e
s
o
l
)
ug
/
L
3,
3
'
‐Di
c
h
l
o
r
o
b
e
n
z
i
d
i
n
e
ug
/
L
4,
4
'
‐DD
D
ug
/
L
Ta
b
l
e
 2:
Lo
c
a
t
i
o
n
 of
 Sa
m
p
l
e
20
1
6
0
3
3
7
1
1

2
0
1
6
0
3
3
8
9
3

2
0
1
6
0
3
4
0
4
1

2
0
1
6
0
3
4
2
0
2

2
0
1
6
0
3
4
2
0
7

2
0
1
6
0
3
4
2
1
3

2
0
1
6
0
3
4
4
6
4
J1
6
1
0
0
4
7
3

J
1
6
1
0
0
5
1
2

J
1
6
1
0
0
5
4
2

J
1
6
1
0
0
5
6
8

J
1
6
1
0
0
5
7
0

J
1
6
1
0
0
5
7
1

J
1
6
1
0
0
6
2
0
 Do
w
n
s
t
r
e
a
m

Co
o
l
i
n
g
 Po
n
d
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Pa
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 20
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Pa
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NC
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Pa
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TA
B
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3
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Attachment A
Contact the Washington Regional Office as soon as practical to establish a due date for submitting
the plan recognizing that any ongoing emergency operations as a result Hurricane Matthew remain
the priority. If you have any questions, please contact the DEQ Washington Regional Office at
[phone].
Sincerely,
AJaymmerrnan, P.G., Director
Division of Water Resources
cc: WA.RO WQROS Regional Office Supervisor
WQROS Central File Copy
2 1 P a g e

~~~~~~GY.
PROGRESS
Mr. Jeff Poupart
North Carolina Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Duke Energy Progress, Inc.
H.F. Lee Energy Complex
Updated Form 2C data submittal
NC0003417
Wayne County
Dear Mr. Poupart:
March 11, 2015
H. F. Lee Energy Complex
Duke Energy Progress
1199 Black Jack Church Road
Goldsboro , NC 27530
In response to the request from the North Carolina Division of Water Resources, please find attached an
updated EPA Form 2C for the H. F. Lee Energy Complex. The pending application for renewal of the
subject permit was made on November 20, 2012. An update to that application was submitted on October
31, 2014. A check for $1,030 is also enclosed.
There has been no discharge from outfall 001 (ash basin) since October, 2012. No wastewater flows are
being sent to the ash basin. Chemical characterization of the water remaining in the ash basin previously
requested by your office is being sent under separate cover. As such no 2C sample results are included.
There has been no discharge from outfall 002 (cooling pond) since 1998. The discharge from outfall 002
in 1998 was associated with a tropical system. While there has been no discharge from outfall 002 since
1998, all wastewaters generated at the facility are currently directed to the sites 550+ acre wastewater
cooling pond until treatment modifications associated with outfall 003 can be completed. Therefore, a
process control sample from the sites cooling pond taken in close proximity to outfall 002 is enclosed.
There has been no discharge from outfall 003 since January 2013 . Outfall 003 first discharged in January
2013 but the discharge was discontinued after one month due to operational concerns with TSS. All
wastewaters generated at the facility are currently directed to the sites 550+ acre cooling pond until
additional treatment evaluation and modifications can be completed for outfall 003. Since there is no
discharge from outfall 003, no sample results are included for this outfall.
If you have any questions, please contact Mr. Shannon Langley at [phone].
I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system d esigned to assure that qualified p ersonn el properly gather and evaluate th e information submitted. Based on my inquiry of th e person or
persons who manage th e system, or those persons directly responsible for gathering th e information, the information submitted is, to th e best of
my knowledge and belief, tnie, acc urate, and comple te. I am aware that there are significant penalties for submitting false information, including
th e possibility of fines and imprisonment/or knowing violations.
Enclosure
Sincerely,
~
Rick Grant -Plant Manager
H. F . Lee Energy Complex
Attachment B
I EPA l.D. NUMBER (copy from //em I of Form J)
I
Form Approved .
NC0003417 OMB No. 2040-0086.
Please print or type in the unshaded areas only. Approval expires 3-31-98 .
FORM U.S. ENVIRONMENTAL PROTECTION AGENCY
2C &EPA APPLICATION FOR PERMIT TO DISCHARGE WASTEWATER
EXISTING MANUFACTURING, COMMERCIAL, MINING AND SILVICULTURE OPERATIONS
NPDES Consolidated Permits Program
I. OUTFALL LOCATION
For each outfall, list the latitude and longitude of its location to the nearest 15 seconds and the name of the receiving water.
A. OUTFALL NUMBER B. LATITUDE C. LONGITUDE
(/1 st) 1. DEG . 2 . MIN. 3. SEC. 1. DEG 2.MIN. 3 .SEC. D. RECEIVING WATER (name)
001 35.00 22.00 45.30 78.00 4.00 6.46 Neuse River
002 35.00 22 .00 51. 74 78.00 5.00 5 .93 Neuse River
003 35.00 22 .00 1. 74 78.00 4.00 59.59 Neuse River
II. FLOWS, SOURCES OF POLLUTION, AND TREATMENT TECHNOLOGIES
A. Attach a line drawing showing the water flow through the facility . Indicate sources of intake water, operations contributing wastewater to the effluent, and treatment units
labeled to correspond to the more detailed descriptions in Item B. Construct a water balance on the line drawing by showing average flows between intakes , operations ,
treatment units, and outfalls. If a water balance cannot be determined (e.g., for certain mining activities), provide a pictorial description of the nature and amount of any
sources of water and any collection or treatment measures.
B. For each outfall, provide a description of: (1) All operations contributing wastewater to the effluent, including process wastewater, sanitary wastewater, cooling water,
and storm water runoff; (2) The average flow contributed by each operation ; and (3) The treatment received by the wastewater. Continue on additional sheets if
necessary.
1. OUT-2. OPERATION($) CONTRIBUTING FLOW 3. TREATMENT
FALL b. AVERAGE FLOW b. LIST CODES FROM NO . (li s t) a. OPERATION (list) (include units ) a. DESCRIPTION TABLE2C-1
Ash po nd Disch arge Neutralization, sedimentation, nitrification
001 See attachment 3 2-K 4 -A
(i n c l uding l o w volume waste, plant submitted in October 2014 discharge to surface waters 1 -U
drainage systems, water treatment 3-0
wastewaters, ash sluice water and
ash pond dewatering.
002
Condenser cooling water, septic tank See attachment 3 Evaporation
1-F 4-A
sand filter domestic wastewater submitted in October 2014
Discharge to surface waters
HR.SG Blowdown, combined cycle plant
wastewatere (including wastewaters
that can be directed to outfall 003)
003
Water purification process See attachment 3
Gravity thickening, Filter press
5-L 4-A
wastewaters, sump drainage, submitted in October 2014
Neutralization
5-R 5-Q
Wet surface air cooler blowdown 2-K
OFFICIAL USE ONLY (ejJ/uent guidelines s ub-categories)
EPA Form 3510-2C (8-90) PAGE 1 of4 CONTINUE ON REVERSE
CONTINUED FROM THE FRONT
C Except for storm runoff, leaks, or spills, are any of the discharges described in Items Il-A or B intermittent or seasonal?
❑ YES (romplete the following table) ® NO (go to Section tin
3 FREQUENCY
4 FLOW
a DAYS PER
BTOTAL VOLUME
2 OPERAPON(s)
WEEK
b MONTHS
a FLOW RATE (m mgo)
(sp-fy wnh —a)
1 QUTFALL
CONTRIBUTING FLOW
(spenfy
PER YEAR
C DURATION
_
t LONGTERM
2 MAXIMUM
1 LONGTERM
2. MAXIMUM
NUMBER (Jost)
(fist)
-9d)
(P"'A'—fage)
AVERAGE
DAILY
AVERAGE
DAILY
fin dmn )
III. PRODUCTION —
A. Does an effluent guideline limitation promulgated by EPA under Section
304 of the Clean Water Act apply to your facility?
YES (complete ftem W-B)
❑ NO (go to Section 1v)
B Are the limitations in the applicable effluent guideline expressed in terms of production (or other measure of operation)?
❑ YES (complete Item III-C) ❑ NO (go ro Secuon I;r)
C. If you answered "yes' to Item III-B, list the quantity which represents an actual measurement of your level of production, expressed In the terms and units used in the
applicable effluent guideline, and indicate the affected outfalls.
1- AVERAGE DAILY PRODUCTION
.AFFECTED OUTFACES
(list outfall numbers)
a. QUANTITY PER DAY
b. UNITS OF MEASURE
c. OPERATION, PRODUCT, MATERIAL, ETC.
(specify)
IV IMPROVEMENTS
A. Are you now required
by any Federal, State or local authority to meet any implementation schedule for the construction,
upgrading or operations of wastewater
treatment equipment or
practices or any other environmental programs which may affect the discharges described in this application?
This includes, but is not limited to,
permit conditions, administrative
or enforcement orders. enforcement compliance schedule letters, stipulations, court orders,
and grant or loan conditions.
W] YES (complete
the follau,mg table) ❑ NO (ga to Item 1V--6)
1 IDENTIFICATION OF CONDITION,
2. AFFECTED OUPFALLS
3 BRIEF DESCRIPTION OF PROJECT
4- FINAL COMPLIANCE DATE
AGREEMENT, ETC.
a. NO.
b SOURCE OF DISCHARGE
a. REQUIRED
b PROJECTED
North Carolina Coal Ash
001
ash sluice
prohibition of CCR1s in ash basin
LO/l/2014
10/l/2014
'Management Act of 2014
B. OPTIONAL You may attach additional sheets describing any additional water pollution control programs (or other environmental projects which may affect your
discharges) you now have underway or which you plan. Indicate whether each program is now underway or planned, and indicate your actual or planned schedules for
construction.
❑ !NARK')' IF DESCRIPTION OF ADDITIONAL CONTROL PROGRAMS IS ATTACHED
EPA Form 3510-2C (8-90) PAGE 2 of 4 CONTINUE ON PAGE 3

EPA Form 3510-2C (&-90) PAGE 3 of 4 CONTINUE ON REVERSE

CONTINUED FROM THE FRONT
VII BIOLOGICAL TOXICITY TESTING DATA
Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made on any of your discharges or on a receiving water in
relation to your discharge within the last 3 years?
,Z YES (rdeni fy the tesf(s) and describe their purprzses below) © NO (go In Secrron Win
Quarterly toxicity testing on outfall 001 was conducted while the outfall was discharging in accordance with
the requirements of the existing NPDES permit. All tests performed by the facility have "passed".
Toxicity testing is required to be performed on outfall 002. There has been no discharge from outfall 002
during this permit cycle so no tests have been performed.
Toxicity testing is required to be performed on outfall 003 upon Startup of the combined cycle unit. Startup
of the combined cycle unit occurred in early 2013 but no toxicity testa have been performed as the discharge
to the river was ceased in February 2013. Upon completion of modifications and commencement of discharge to
the river, toxicity tests will be conducted as required.
V I I I CONTRACT ANA LYSI S INFORMATION
Were any of the analyses, reported in Item V performed by a contract laboratory or consulting firm?
® YES (list the name, address, and telephone mm ber of, and pollutants analyred by. NO (go to Seutan LY)
each such laboraeary orfrrm belou )
A. NAME
B.ADDRESS
C.TELEPHONE
D. POLLUTANTS ANALYZED
(area core & era)
(list)
Duke Energy Analytical Lab 13339 Hagers Ferry Road 980-875-5245 Metals, COD, TKU, NO2/NO3,
NC # 248 Huntersville,NC 28078 Total. Phosphorus, oil and
Grease, TSS, TOC, Bromide,
Sulfate, Fluoride
Shealy Lab 106 vantage Point Drive 903-791-9700 SOD, Color, Sulfide,
NC # 329 west Columbia, SC 29172 Sulfite, Fecal,
Surfactants, Cyanide,
Phenol, volatiles,
Semi -volatile acid
compounds, PCE's, Mercury
GEL Lab 2040 Savage Road 843-555-8171 Radiological
'IC # 233 Charleston, SC 29417
IX CERTIFICATION
I certify under penalty of law that this document and a9 attachments were prepared under my direction or supervision in accordance with a system designed fo assure that
qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system or those persons
directly responsible for gathering the informal on; the rnformaton submitted is, to the best of my knowledge and belief, true, accurate and complete f am aware that there
are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations
A. NAME & OFFICIAL TITLE (t)pe orprmi)
B. PHONE NO (area code & no)
Rick Grant, Plant Manager
[phone]
C SIGNATURE
D DATE SIGNED
LCA L24
�} 1
a�j •�l� i
EPA Form 3510-2C (8-9D) PACE 4 of 4

PLEASE PRINT OR TYPE IN THE UNSHADED AREAS ONLY. You may report some or all of EPA l.D . NUMBER (copy from Item 1 of Form 1)
this information on separate sheets (use the same format) instead of completing these pages . EPA Facility Name :
SEE INSTRUCTIONS NC0003417 H.F. Lee -=nerav Complex
OUTFALL NO .
V. INTAKE AND EFFLUENT CHARACTERISTICS (continued from page 3 of Form 2-C ) 002
PART A -You must provide the results of at least one analysis for every pollutant in this table . Complete one table for each outfall. See instructions for additional details.
2.EFFLUENT 3. UNITS 4. INTAKE (Optional)
1. POLLUTANT a. MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG. VALUE a. LONG TERM AVG . VALUE
(If available) (~available) d. NO . OF a. Concen-b. Mass b . NO . OF
(1) Concentration (2)Mass ( 1) Concentration (2) Mass (1) Concentration (2) Mass ANALYSES !ration ( 1) Concentration (2) Mass ANALYSES
la . Biochem ical Oxyge n w 2 mg n lb/Day LJ Pemand (BOO )
"· Chem ical Oxygen u 31 mg /I lb/Day _J
bemand (COO)
c. Total Organic _J 8.6 mgn lb/Day _J
Carbon (TOC)
d. Total Suspended w 12 mgn lb/Day w
Sollds(TSS)
e. Ammonia (as N) w 0.08 mgn lb/Day w
~-Flow VALUE N/A VALUE VALUE VALUE -MGD N/A
9. Temperature VALUE VALUE VALUE VALUE
winter) DEGREES CELSIUS
,-i. Temperature VALUE VALUE VALUE VALUE -
summer) DEGREES CELSIUS
.pH MINIMUM MAXIMUM MINIMUM MAXIMUM
STANDARD UNITS
PART B -Mark "X" in column 2a for each pollutant you know or have reason to believe is present. Mark "X" in column 2b for each pollutant you believe to be absent. If you mark column 2a for any
pollutant which is limited either directly or indirectly but expressly in an effluent limitations guideline, you must provide the results of at least one analysis for that pollutant. For other pollutants
for which you mark column 2a , you must provide quantitative data or an explanation of their presence in your discharge . Complete one table for each outfall. See the instructions
for additional details and requ irements .
1. POLLUTANT 2. MARK"X" 3. EFFLUENT 4 . UNITS 5. INTAKE (optional)
ANDCAS NO . Believed a. MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG . VALUE a. LONG TERM AVG . VALUE
if available) a.pre-b.ab-(o available) (o availab le) d. NO . OF a. Concen-b. Mass b. NO . OF
sent sent (1) Concentration (2)Mass (1) Concentration (2) Mass (1) Concentration (2) Mass ANALYSES !ration ( 1) Concentration (2) Mass ANALYSES
la . Bromide x ~ 0.38 mgn lb/Day _J
24959-67·9 )
D. Chlorine, x u mgn lb/Day w ..•
Total Residual
c. Color x u 15.00 N/A N/A N/A Std . Units N/A w N/A
d. Fecal x w N/A N/A N/A Colonies N/A w N/A
ot•orm /100ml
e. Fluoride x w 0.20 mgn lb/Day ~
16984-48-8)
'.Nitrate-x l..!J 0.01 < mgn lb/Day _J
Nitrite (as N)
EPA Form 3510-2C (Rev . 2·85) PAGEV·1 CO NTINUE ON PAGE V-2
EPA l .D. NUMBER (copy from Item 1 of Form 1) OUTFALL NUMBER
ITEM V-B CONTINUED FROM FRONT ,,,,;, ..... ;;;;,-.. " 17 nn? ~ i:: • ---r
11 . 1-'ULLU I 1\N I 2. MARK"X" 3. t:t'FLUEN I 4 . u NII::> 5 .1NfAK>-lootionan
ANDCAS NO. Believed a. MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG. VALUE a . LONG TERM AVG. V ALUE
ff available) a.pre--b.ab-(if available) (If available) d . NO. OF a. Concen-b. Mass b . NO. OF
sent sent ( 1) Concentration (2) Mass ( 1) Concentration (2) Mass ( 1) Concentration (2)Mass ANALYSES !ration ( 1) Concentration (2) Mass ANALYSES
19. Nitrogen ,
b t::::l trotal Organic }<., 0.95 mg/I lb/Day
BS N)
n. u11 ano
K3rease }<., r-:J 5.00 < mg/I lb/Day ::::::I -
. t-'nospnorous o D as P), Total }<., 0.052 mg/I lb/Day
7723-14·0)
:l)Alpha,
!Total }<., :!:I 5 .00 N/A NIA N/A pCVI N/A :::J N/A
1<1 "eta, b N/A N/A pCVI N/A :::J N/A Total }<., 10.70 N/A
~.:>J Kacuum ,
Total }<., ~ 1.00 N/A N/A N/A pCVI N/A ::::I N/A
t•J Radium
j226, Total }<., ~ 1.00 N/A N/A N/A pC~I N/A t:l N/A
~. ~uuate mg/I lb/Day t=J as 504) }<., t:J 35.00
14606-79-6)
. ~umae
as 5) }<., l:!J 1 .00 < mg/I lb/Day t:l
im. Sulfite l=:J as 503) }<., 2.00 < mg/I lb/Day ::::::J
14265-45-3)
vi. ~urfactants t:J mg/I lb/Day :::J }<., 0.05
io ..... 1umlnum, t::J mg/I lb/Day o tro1a1 }<., 0 .165
7429-90-5)
p. Barium , Cl mg/I lb/Day =:J !Total }<., 0.055
7440-39-3)
. t:SOron, t:::J mg/I lb/Day ::::J trotal }<., 0 .06
744D-42-6)
. vooalt.
!Total }<., ~ 1.00 < mg/I lb/Day =i
744Q-46-4)
. iron , I ota1 t=J mg/I lb/Day :::I 7439-69-6) }<., 0.217
. Magnesium, t:::J 4.28 mg/I lb/Day :::J
trotal }<.,
7439-95-4)
~· Moiyooenum, t:J 3.87 mg/I lb/Day t:J trotal }<.,
7439-96-7)
IV. Manganese,
trotal }<., t::J 0.025 mg/I lb/Day t::J
7439-96-5)
t-v. Tm, Total
7440-31-5) }<., t!J 0 .01 < mg/I lb/Day t=l
ix. 1 ltan1um. ~ mg/I lb/Day t::::J
!Total }<., 0.005 <
f44U-~~-b)
PAGE V-2 CONTINUE ON PAGE V-3
EPA Form 3510-2C (Rev. 2·65)
EPA l.D. NUMBER(copyfrom Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE 3 OF FORM 2-C NC0003417 002 H.F. Lee Enernv Complex
PART C -If you are a primary industry and this outfall contains process wastewater, refe r to Table 2c-2 in the instructions to determine wh ich of the GC/MS fractions you must test for. Mark "X" in
column 2-a for all such GC/MS fractions that apply to your industry and for ALL toxic metals, cyanides, and total phenols. If you are not req uired to mark colum n 2-a (secondary industries ,
nonprocess wastewater outfalls, and nonrequired GC/MS fractions), mark "X" in column 2-b for each pollutant you know or have reason to bel ieve is present. Mark "X" in column 2-c for ea ch
pollutant you believe is absent. If you mark column 2a for any poll utant. you must provide the results of at least one analysis for that pollutant. If you mark column 2b fo r any pollutant, you
must provide the results of at least one analysis for that pollutant if you know or have reason to believe it will be discharged in concentrations of 1 O ppb or greater. If you mark column 2b for
acrolein, acrylonitrile, 2, 4 dinitrophenol, or 2-methyl-4, 6 dinitrophenol, you must provide the results of at least one analysis for each of these pollutants wh ich you know or have reason to
believe that you discharge in concentrations of 100 ppb or greater. Otherwise, for pollutants for which you ma rk column 2b, you must either subm it at least one analysis or briefly describe the
reasons the pollutant is expected to be discharged. Note that there are 7 pages to this part; please review each ca refully. Complete one table (all 7 pages) for each outfall. See instructions
for additional details and requirements.
1. POLLUTANT 2. MARK "X" 3. EFFLUENT 4. UNITS 5. INTAKE (optional)
ANDCAS NO. a.re-Believed a . MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG . VALUE a. LONG TERM AVG. VALUE
If available) qulr-b.pre-c.ab~ (If avallable) (W available) d. NO. OF a. Concen-b. Mass d. NO. O F
ed sent sent ( 1) Concentration (2) Mass ( 1) Concentration (2) Mass (1 ) Concentration (2)Mass ANALYSES !ration ( 1) Concentration (2) Mass ANALYSES
METALS, CYANIDE, AND TOTAL PHENOLS
1M. Antimony. x [..:;j 1 < ug/I lb/Day w
!rota! (7440-36-0)
2M . Arsenic. Total x D 1.06 ug/I lb/Day u
7440-38-2)
13M. Beryllium, x
lrotal (7440-4 1-7)
~ 1 < ug/I lb/Day w
14M. Cadmium, x DJ 0.1 < ug/I lb/Day w
lrotal (7440-43-9)
15M. Chromium, x
lrotal (7440-47-3)
I~ 1 < ug/I lb/Day l_J
lsM. Copper, Total x 13 0.005 < mg/I lb/Day w
7440-50-8)
'M . Lead, Total x ~ 1 < ug/I lb/Day w
7439-92-1)
BM. Mereury, Total x _J 0.000847 ug/I lb/Day w
7439-97-6)
19M. Nickel. Total x D 1.01 ug/I lb/Day w
7440-02-0)
10M. Selenium, x l..!J_ 1 < ug/I lb/Day I~
!rotal (7782-49-2)
11M. Sliver. Total x ~ 1 < ug/I lb/Day l_J
7440-22-4)
12M. Thallium , x ~ 0.0002 < mg/I lb/Day w
lrotal (7440-28-0)
13M. Zinc, Total x --' 0.008 mg/I lb/Day w
7440-66-6)
14M. Cyanide. x ~ 0.010 < mg/I lb/Day w
!rota! (57-12-5)
15M. Phenols. x D 0 .0079 mg/I lb/Day _J
Total
DIOXIN
2,3, 7,8 Tetra DESCRIBE RESULTS
chlorodibenzo P x
loxln (1764-01-6)
EPA Form 3510-2C (Rev. 2-85) PAGEV-3
EPA l.D. NUMBER(copyfrom Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE V-3 NC0003417 002 H.F. Lee Enerav Complex
1. POLLUTANT 2.MARK"X" 3 .EFFLUENT 4 . UNITS 5 . INTAKE (optional) ~NDCASNO. a.re-Belleve<l a . MAXIMUM DAILY VALUE b . MAXIMUM 30 DAY VALUE c . LONG TERM AVG. VALUE a . LONG TERM AVG. VALUE
If available) qulr-b.pre-c.ab-(If available) (tt available) d. NO. OF a . Cor-.:en-b. Mass d . NO. OF ea sent sent ( 1) Concentration (2)Mass (1) Concentration (2) Mass (1) Concentration (2) Mass ANALYSES tr a lion ( 1) Concentration (2) Mass ANALYSES GC/MS FRACTION-VOLATILE COMPOUNDS
1V.Acrolein x ~ 5
107-02-8)
< ugn lb/Day -1
V. Acrylonltrile x ~ 5
107-1 3-1)
< ugn lb/Day '.___!
~v . Benzene x ~ 2 < ug/I lb/Day D 71-4 3-2)
4V. Bis (Chiaro-
methyl) Ether x
542-88-1)
5V. Bromoform x L!.J 2
75-25-2)
< ug/I lb/Day D
16V. Carboo
tTetrachloride x ~ 2 < ug/I lb/Day t:J 56-23-5)
7V. Chlorobenzene x ~ 2 < ug/I lb/Day ~
108-90-7)
8V. Chlorodl-
bromomethane x ~ 2 < ug/I lb/Day D 124-48-1)
19v. Chloroethane x ~ 2 < ug/I lb/Day u 75-00-3)
10V. 2-Chloro-
lethylvinyl Ethe r x ~ 5 < ug/I lb/Day tJ
110-75-8)
11V. Chloroform x ~ 2 < ug/I lb/Day L.J
67-66-3)
12V. Dichiaro-
liromomethane x < 2 < ug/I lb/Day b
75-27-4)
13V. Dlchloro-
icUfluoromethan e x ~ 2 < ug/I lb/Day ::J
75-71-8)
14V. 1,1-Dlchloro-x ~ 2 < ug/I lb/Day ::::r
~hane (75-34-3)
15V. 1,2-Dlchl oro-x ~ 2 < ug/I lb/Day r.:::J
"thane (107-06-2)
16V. 1,1-Dlchloro-x ~ 2 < ug/I lb/Day L.J
!ethylene (75-35-4)
17V. 1,2-Dlchloro-x ~ 2 < ug/I lb/Day L.J
~ropane (78-87-5)
18V. 1,3-Dlchloro-x I~ 2 < ug/I lb/Day LJ
kiropylene (542-75-6)
19V. Ethylbenzene x ~ 2 < ug/I lb/Day ;,__j
10Q-41-4)
20V. Methyl x ...!J 2 < ug/I Ill/Day __J
Bromide (74-83-9 )
21V. Methyl x l...!J 2 < ug/I lb/Day D
Chloride (74-87-3)
EPA Form 3510-2C (Rev . 2-85) PAGE V-4
EPA l.D. NUMBER(copyfrom Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE V-4 NC0003417 002 H.F. Lee Enerav Comolex
1. POLLUTANT 2. MARK "X" 3. EFFLUENT 4. UNITS 5. INTAKE (optional)
IANDCAS NO. a.re--Believed a . MAXIMUM DAILY VALUE b . MAXIMUM 30 DAY VALUE c. LONG TERM AVG. VALUE a . LONG TERM AVG . VALUE
tt available) qulr-b.pre-c.ab-(If available ) (tt available) d. NO. OF a. Concen-b. Mass d . NO. OF
ed sent sent ( 1) Concentration (2)Mass ( 1) Concentration (2 ) Mass
GC/MS FRACTION-VOLATILE COMPOUNDS (continued)
( 1) Concentration (2) Mass ANALYSES !ration ( 1) Concentration (2) Mass ANALYSES
l22v. Methylene x ~ 2 < ug/I lb/Day w hloride (75-09-2 )
123V.1,1,2,2-Tetra-
t:J hloroethane x ~ 2 < ug/I lb/Day
79-34-5)
24V. Tetrachloro-x ~ 2 < ug/I lb/Day w lethylene (127-18-4 )
i25V . Toluene x ...!.I 2 < ug /I lb/Day w
108-88-3)
6V. 1,2· Trans-
Pichloroethylene x bl 2 < ug/I lb/Day Cl
156-6().5)
i27V.1,1,1-Tri-
k:hloroethane x ~ 2 < ug/I lb/Day ::J
71-55-6)
l28v.1,1,2-Tri-
bJ 0 k:hloroethane x 2 < ug/I lb/Day
79-00-5 )
09v. Trichloro-x ~ 2 < ug/I lb/Day w
ethylene (79-01-6 )
l:JOv. Trichloro-tg t:J ..
lttuorornethane x 2 < ug/I lb/Day
75-69-4)
31V. Vinyl x ::3...1 2 < ug/I lb/Day _J
bhlonde c1s-01-4)
GC/MS FRACTION -ACID COMPOUNDS
1 A. 2-Chlorophenol x ::3J 10 < ug/I lb/Day w
95-57-8)
0A. 2,4-Dichloro-x ~ 10 < ug/I lb/Day w
ohenol (120-83-2 )
:!A. 2,4-Dlmethyl-x ~ 10 < ug /I lb/Day w
klhenol (105-67-9 )
14A. 4,6-Dlnltro-0-x ~ 10 < ug/I lb/Day w
lcresol (534-52-1 )
ISA. 2,4-Dlnltro-x l....::J 50 < ug/I lb/Day w
klhenol (51-28-5)
M. 2-N ltrophenol x ~ 10 < ug/I lb/Day LJ
88-75-5)
Fi A. 4-Nitrophenol x l..!J 10 < ug/I lb/Day w
100-02-7) w BA. P-Chloro-M-x ~ 10 < ug/I lb/Day
lcrasol (59-S0-7)
SA. Pentachloro-x ~ 10 < ug /I lb/Day LJ
l>henol (87-86-5)
10A. Phenol x '..:J 10 < ug /I lb/Day LJ
108-95-2)
11A. 2,4 ,6-Tri-~ ug/I lb/Day =:l k:hlorophenol x 10 <
88-06-2)
EPA Form 3510-2C (Rev. 2-85) PAGEV·S
EPA l.D. NUMBER (copyfrom Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE V-5 NC0003417 002 H.F. Lee Enerav Comolex
1 . POLLUTANT 2. MARK "X" 3. EFFLUENT 4. UNITS 5. INTAKE (optional)
ANDCAS NO. a.re--Bel ieved a . MAXIMUM DAILY VALUE b . MAXIMUM 30 DAY VALUE c . LONG TERM AVG. VALUE a . LONG TERM AVG. VALUE
If available) qu lr-b.pre-c.ab-(tt ava il able ) (tt available) d. NO. OF a . Concell-b. Mass d. NO . OF
ed sent sent (1) Concentration (2) Mass ( 1) Concentration (2)Mass ( 1) Concentration (2)Mass ANALYSES tration ( 1) Concentration (2)Mass ANALYSES
GC/MS FRACTION -BASE NEUTRAL COMPOUNDS
1 B. Acenaphthene x 1--1 ug/I lb/Day w
83-32-9)
2B. Acenaphtylene x D ug/I lb/Day w
208-96-8)
38. Anthracene x LJ ug /I lb/Day w
120-12-7)
4B . Benzidlne x LJ ug/I lb/Day w
92-87-5)
158. Benzo (a) w '.::::J l'\nthracene x ug/I lb/Day
56-55-3)
~B . Benzo (a) x __J ug/I lb/Day :.....J
l>yrene (S0-32-8)
~B . 3.4-Benzo-
1::1 :::J ~uoranthene x ug/I lb/Day
205-99-2)
ISB . Benzo (gh l) x D ug/I lb/Day w
IPerylane (191-24-2)
19B. Benzo (k) t::J tJ IJ:luoranthene x ug/I lb/Day
207-08-9)
10B. Bis (2-Chloro-tJ ug/I lb/Day t:J ethoxyl) Methane x
111-91-1)
11 B. Bis (2-Chloro-~ ug/I lb/Day t:l ethyl ) Ether x
111-44-4 )
12B.Bls (2-Chloroiso-l:J ~ ug/I lb/Day t::I k>ropyl) Ether x
108-60-1)
139. Bis (2-Ethyl· t=J ug/I lb/Day t:l hexyl) Phthalate x
117-81-7)
14B . 4-Bromo-tJ ug/I lb/Day w -
phenyl Phenyl x
Ether(101-55-3)
15B. Butyl Benzyl x LJ ug/I lb/Day u
Phthalate (85-68-7)
16B. 2-Chloro-tJ ug/I lb/Day :::J '1aphthalene x
91-58-7)
17B. 4-Chloro-
D ug/I lb/Day ::J phenyl Phenyl x
Ether (7005-72-3)
1 BB . Chrysene x CJ ug/I lb/Day w
218-01-9)
198. Dlbenzo (a.h) ~ ug/I lb/Day t:J
IAnthracene x
53-70-3 )
1208. 1.2-Dlchloro-x w ug/I lb/Day w
!benzene (95-S0-1)
1218 . 1,3-Dlchloro-x w ug/I lb/Day [--I
11>enzene (541-73-1) ........ U 'l"I0.11 I ~ l"\O.I OA"°'~ \/_"7
EPA Form 3510-2C (Rev . 2·85) PAGEV-6
EPA l.D . NUMBER (copy from Item 1 of Form 1) OUTFALL NUMBER
<.;ONTINUE D FROM PAGE V-6 N~UUU.j4 ·1 I UUL H.r-. Lee t:nerav 1,,;omp1ex
1. POLLUTANT 2. MARK "X" 3.EFFLUENT 4. UNITS 5 . INTAKE (optional)
ANDCAS NO. a.re-Beli eved a. MAXIMITMDAlLY VALUE lb. ··-1•• 30 UAY VALUt: c. LONG TER-tl.l AVG. VALUE a . LONG I t:KM AVG. VALUE
tt available) qui r· b.pre-c.ab-(tt available ) (If available) d. NO. OF a . Concen-b . Mass d . NO. OF
ed sent sent ( 1) Concentration (2)Mass (1) Concentration (2)Mass ( 1) Concentration (2)Mass ANALYSES !ration ( 1) Concentration (2) Mas s ANALYSES
GC/MS FRACTION-BASE/NEUTRAL COMPOUNDS (continued)
l22B. 1.4·Dlchloro-x u ugn lb/Day w
benzene (106-4 6-7)
l23B. 3,3-Dlchloro-
benzldlne x D ugn lb/Day =t
91-94-1)
1246. Dlethyt Cl Phthalate x t=I ugn lb/Day
64-66-2)
l25B . Dimethyl
=i ::::i Phthalate x ugn lb/Day
131-11·3)
266. Di·N-Butyt -::::i -Phthalate x ::I ugn lb/Day
64-74·2)
276. 2.4·Dlnltro-x CJ ug /I lb/Day _J -
oluene (121-14 -2)
l28B . 2,6-Dlnltro-x _J ug/I lb/Day u
oluene (606-20-2)
1296. Dl·N·Octyl
~ lb/Day t:J Phthalate x ugn
117-64·0)
l30B. 1,2-Dlphen yt· tJ ug/I lb/Day t::J !hydrazine (as Azo-x ..
ll:Jenzene) (122·66-7)
1310. Fluoranlhene x LJ ug/I lb/Day w
206-44-<l)
326. Fluorene x LJ ugn lb/Day 1--'
86-73-7 )
336. Hexachloro-x LJ ugn lb/Day w
benzene (116-74·1)
~B. Hexa-t:J ugn lb/Day :::J -
~hlorobutadlene x
87-66-3)
~56 . Hexachloro-tJ ugn lb/Day ::::::J ~yclopentadlene x
77-47·4)
tl6B . Hexach loro-x .:....:J ugn lb/Day _J
ethane (67-72·1 )
376. lndeno
::J ugn lb/Day :::::r
1.2,3-cd) Pyrene x
193-39-5) :.....J 386 . lsophorone x _J
ugn lb/Day
76-59-1)
396. Naphthalene x LJ ug n lb/Day _J
91-2()..3)
1406. Nitrobenzene x LJ ug/I lb/Day l-.1
96-95-3)
1416. N·Nitro-ugn lb/Day t:J
15odlmethytamlne x t:J
62-75-9)
1426 . N-N itro sod~ t:J ugn lb/Day D
"'·Propytamlne x
621-64·7) .......................................... .,,. '' 0
EPA Form 351Q..2C (Rev. 2·85) PAGE V·7
EPA l.D. NUMBER (copy from Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE V-7 NC0003417 002 H.F. Lee Enerav Complex
1. POLLUTANT 2 . MARK "X" 3.EFFLUENT 4 . UNITS 5 . INTAKE (optional)
ANDCAS NO. a.re--Believed a . MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG . VALUE a. LONG TERM AVG . VALUE
Wavailable) qulr· b.pre-c.ab-(If available) (tt available) d. NO. OF a. Concen-b. Mass d. NO. OF
ed sent sent ( 1) Concentration (2 ) Mass (1) Concentration (2) Mass ( 1) Concentration (2 ) Mass ANALYSES !ration (1) Concentration (2) Mass ANALYSES
GC/MS FRACTION -BASE/NEUTRAL COMPOUNDS (continued )
l43B. N-Nltro-
lsodlphenytamlne x Cl ugn lb/Day Cl
86-30-6)
l44B. Phenanthrene x w ugn lb/Day 1-J
85-01-8)
1458. Pyrene x w
129-00-0)
ug/1 lb/Day 1-J
l46B. 1,2.4-Tri-
"' CJ lchlorobenzene x tJ ugn lb/Day
120-82-1)
GC/MS FRACTION -PESTICIDES
1P.Aldrln x
309-00-2)
~p . alpha-BHC x
319-84·6)
3P . beta-BHC x
315-85-7)
4P . gamma-BHC x
58-89-9)
5P. delta-BHC x
319-86·8)
6P. Chlordane x
57-74-9)
17P. 4.4'-DDT x
50-29-3)
~P. 4.4'-DDE x
72-55-9)
f9P .4.4'-DDD x
72-54-8)
1 OP. Dleldrln x
60-57-1 )
11 P .alpha-Endosutfan x
115-29-7)
12P. beta-Endosu~an x
115-29-7)
13P. Endosulfan
lsu~ate x
1031-07-8)
14P. Endrtn x
72-20-8)
15P. Endrln
Aldehyde x
7421-93-4)
16P . Heptachlor x
76-44-8)
EPA Form 351 0-2C (Rev. 2-85) P AG E V-8 CONTINUE ON PAGE V-9
EPA l.D. NUMBER (copy from Item 1 of Form 1) OUTFALL NUMBER
CONTINUED FROM PAGE V-8 NC0003417 002 H.F. Lee Energy Complex
1. POLLUTANT 2 . MARK"X" 3. EFFLUENT 4. UNITS 5. INT AKE (o ptional)
ANDCAS NO. a.re-Believed a . MAXIMUM DAILY VALUE b. MAXIMUM 30 DAY VALUE c. LONG TERM AVG . VALUE a . LONG T ERM A VG . VALUE
If available) qulr-b.pre-c.ab-(ff available) (ff available) d. NO. OF a . Concen-b . Mass d . NO. OF
ed sent sent ( 1) Concentration (2) Mass (1) Concentration (2) Mass (1) Concentration (2)Mass ANALYSES tratiOn ( 1) Concentration (2)Mass ANALYSES
GC/MS FRACTION -PESTICIDES (continued)
17P. Heptachlor
IEpoxlde x
1024-57-3)
18P. PCB-1242 x < 0.25 <
53469-21·9)
19P. PCB-1254 x < 0.25 <
11097-69-1)
~OP. PCB-1 221 x < 0.25 <
11104-28-2)
~1P. PCB-1232 x < 0.25 <
11141-16-5)
~2P. PCB-1248 x < 0.25 <
12672-29-6)
~3P. PCB-1260 x < 0.25 <
11096-82·5)
~4P. PCB-1016 x < 0.25 <
12674-11-2)
~SP. Toxaphene x
8001-35-2)
EPA Form 3510-2C (Rev. 2·85) PAGEV-9
Attachment C
1
H. F. LEE POST-FLOOD
SAMPLING AND ANALYSIS PLAN
1.0 INTRODUCTION
On October 8, 2016, rains from Hurricane Matthew brought extreme flooding to most of eastern North
Carolina. The flood waters from Matthew eclipsed Neuse River flood stage levels from Hurricane
Floyd in 1999. Duke Energy’s decommissioned H. F. Lee Plant (Lee Plant), including the inactive ash
basins, was inundated and submerged under the flowing flood waters. From the basins, an estimated 2
to 2.5 cubic yards of coal combustion residual (CCR) material (primarily buoyant, inert cenospheres)
was released to the flood waters overlying the Neuse River.
Duke Energy began conducting daily surface water sampling for the extensive priority pollutants as
soon as it was safe to access at the plant site. The data generated to date were transmitted with Duke’s
October 27, 2016 letter to DEQ. Based on Duke Energy’s evaluation of the data it is proposed that
surface water sampling be continued for the next several weeks at a reduced frequency and for a
reduced list of parameters. To date, only three data points have been measured above the NC 2B
limits.
In addition to the surface water sampling described above, this monitoring plan proposes the initiation
of one round of sediment/water sampling intended to confirm that there were no short-term
environmental impacts to the Neuse River from the release of CCR materials associated with the
flooding event.
2.0 PURPOSE
The purpose of this sampling plan is to confirm that no environmental impacts resulted from the
release of CCR material to the Neuse River during flooding conditions associated with Hurricane
Matthew. This plan has been developed in response to a request by the North Carolina Department of
Environmental Quality (NCDEQ) to develop a Plan of Action. Water samples will be collected until
the week ending November 18, 2016, to continue to assess surface water quality and sediment
samples will be collected to look for evidence of CCR related constituents in depositional areas of the
Neuse River.
Attachment D

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3.0 OBJECTIVES
The objectives of this sampling plan are to continue surface water sampling for another three weeks to
confirm the absence of water quality impacts and provide an assessment of the presence and relative
concentration of CCR materials in sediment in the vicinity and downstream of the Lee Plant that were
mobilized by flood waters from Hurricane Matthew.

4.0 NATURE OF STUDY
The assessment will include surface water sampling, sediment sampling and analysis of ash related
constituents in water and sediments of the Neuse River.

Surface water sampling will continue at four designated locations (see attached) for a reduced number
of parameters for an additional three week period to end on November 18, 2016. Samples will be
collected on Tuesdays and Thursdays at the following locations:

1) Neuse River – Upstream Inactive Ash Basins – located at the Ferry Bridge Rd crossing
over the Neuse.

2) Inactive ash basin area – near area of suspected cenosphere release

3) Neuse River near the area of the cooling pond dam breach

4) Downstream cooling pond – collected within the Neuse, south of the site where Stevens
Mill road crosses the river

Duke Energy proposes to analyze the surface water samples for the following parameters:

Antimony Lead
Arsenic Nickel
Beryllium Selenium
Cadmium Silver
Chromium Thallium
Copper Zinc
Iron Mercury

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Based on the non-detects for all of the Priority Pollutants collected since Hurricane Matthew, no
additional analyses for these parameters is warranted.

Sediment sampling will be conducted one time at one upstream (background) site and three
downstream sites (Stations DN1, DN2, and DN3) at possible depositional areas downstream of known
release points and the results will be analyzed using appropriate approved methods. Water samples
will be collected concurrently at the water/sediment interface at these sampling locations. Data from
these locations will be compared to sampling results from the background station (UP1) well above the
plant and known release points. Both water and sediments data will be compared to the appropriate
screening values (from combination of multiple agency sources) used in the Dan River ash release
assessment. Also, where historical data exists, comparisons will be made to pre-release conditions.

5.0 LOCATION AND DURATION OF SEDIMENT SAMPLING

The assessment will be conducted at three downstream areas and one upstream area in the Neuse River
(Figure 1). For the purposes of this assessment, the sampling areas will be referred to as stations. The
survey area within the Neuse River covers approximately 12 kilometers of the river from the upstream
Station (UP1) to the downstream- most Station (DN3; See map). Station UP1 is located at the Ferry
Bridge Road wildlife access boat ramp and is Duke Energy’s historic background sampling location
for the Lee Plant. Data at this station will serve as the upstream reference to which data from the other
stations will be compared. Station DN1 is a downstream station located near the inactive ash basins
where cenospheres were observed to be migrating from along with the flood waters. Station DN2 is
located downstream near the cooling pond breach and Station DN3 is located at the Stevens Mill
Bridge (the most downstream sampling location). The downstream locations were selected to be
representative of potential depositional areas (i.e., the inside bank of bends where the greatest ash
deposition potentially occurred). Also, limited historical water chemistry data, including trace
elements, from within the monitoring reach will serve as another dataset to compare data from this
monitoring effort to that collected prior to the flooding event. Duke Energy plans to perform this
sediment sampling in the Neuse River one time. Should the results of the sampling indicate ash
presence in the sediment or a significant difference in ash-related conditions (percent ash, arsenic or
selenium values) from upstream to downstream the sampling will be repeated and results evaluated for
further action.

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6.0 SEDIMENT SAMPLING AND ANALYSIS PLAN

6.1 Limnology
The Duke Energy sediment sampling and analysis plan including program, sampling location
descriptions, and sampling frequency is described in Tables 1-3. Duke will monitor for the ash
indicator analytes arsenic and selenium in both total and dissolved fractions. The water chemistry
samples will be collected from the water column near the sediment-water interface via a submersible
sampler (peristaltic pump and hose), transferred to pre-prepared non-metal bottles, field filtered (for
dissolved metals), quickly sealed, and returned to the laboratory on ice for analyses. Analyses will be
run by a laboratory (Pace Analytical) certified in North Carolina using approved EPA methods (Table
3). The analytical quality assurance and control measures performed by the external contract
laboratory will be consistent with their certifications/accreditations and approved SOPs. In addition,
one duplicate per sample set (10% duplicate/blank ratio) will be included. The limnological parameter
list is appended in Appendix 2. Water quality analysis will be conducted and generally includes
temperature, dissolved oxygen, pH, conductivity, and turbidity, which will be measured in the field
using a multi-parameter meter with a submersible sonde according to Duke Energy procedure
NR00097 (approved by NCDEQ under the Duke Energy Progress Biological Laboratory Certification
#006).

6.2 Percent Ash and Trace Element Monitoring in Sediments
The primary potential environmental impacts would be from CCRs settling to the river bottom where
accumulation of trace elements in the various compartments of the aquatic ecosystem could occur.
Therefore, percent ash will be determined at the four sampling locations in this monitoring plan. Duke
Energy does not anticipate significant quantities of ash to be present in the river sediments based on
ours as well as NCDEQ’s experience with the Dan River ash release. If very low ash percentages (0-
1%) are found, this sampling will be discontinued. Along with percent ash, arsenic and selenium
concentrations in sediments will be evaluated using EPA Method 6020. The results will be compared
against the sediment analyte/screening values list in Appendix 2.

The sediment sampling locations will also be based on Duke Energy’s extensive experience with the
Dan River monitoring program. We found that ash settles primarily in depositional areas along the
inside banks of river bends. If there is accumulation these areas are the most likely places where
significant accumulation would occur. Samples will be collected by plastic core tubes in which

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approximately 12 inches of bottom sediments are taken, photographed, and the first six inches
collected for percent ash and trace element analysis. The samples will be returned and sent to the
appropriate external laboratory for analysis.

7.0 DATA MANAGEMENT
All data generated under this sampling plan will be recorded electronically and uploaded to the Duke
Energy long-term database. All data will undergo internal QA/QC protocols to ensure accuracy of the
stored data. When used, GPS data will be presented as decimal degree coordinates. Geographical
Information System (GIS) will be utilized when appropriate along with compatible programs for two-
dimensional graphic display for presentation or reporting purposes.

8.0 REPORTING
A written report from the sampling plan and results will be provided to NCDEQ before the end of
2016 after all analyses have been completed and the results are available. Based on the results, a
decision will be made regarding continuation or termination of sampling.

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Figure 1. H. F. Lee environmental monitoring program sampling locations designations.
Table 1. H. F. Lee sediment monitoring program sample location designations and
descriptions.

Sampling
Station
Sampling
Program
Description Decimal Degree Coordinates
Upstream (Downstream)
UP Limnology and
Sediments
Neuse River
upstream of H. F.
Lee Plant and all
release points
Lat. 35.356889°
Long. -078.136953°
DN1 Limnology and
Sediments
Neuse River near the
inactive ash basin
release point
Lat. 35.379490°
Long. -078.100357°

DN2 Limnology and
Sediments
Neuse River near the
cooling pond breach
Lat. 35.371627°
Long. -078.066487°

DN3 Limnology and
Sediments
Neuse River at the
Stevens Mill Bridge
Lat. 35.367189°
Long. -078.067452°

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Table 2. H. F. Lee surface water and sediment monitoring program.

Program

Frequency Location

Surface water quality
(antimony, arsenic,
beryllium, cadmium,
chromium, copper, iron,
lead, nickel, selenium,
silver, thallium, zinc,
mercury)

Water quality
(Temperature, pH,
dissolved oxygen,
specific conductance,
turbidity)

Two per week through mid-November
2016

Once

Once

-Neuse River – Upstream Inactive
Ash Basins – located at the Ferry
Bridge Rd crossing over the
Neuse.
-Inactive ash basin area – near
area of suspected cenosphere
release
-Neuse River near the area of the
cooling pond dam breach
-Downstream cooling pond –
collected within the Neuse, south
of the site where Stevens Mill
road crosses the river
Stations UP, DN1, DN2, and
DN3 (surface only)

Water chemistry
(see Appendix C)

Once

Stations UP, DN1, DN2, and
DN3 (sediment-water interface)

Percent Ash
(sediment)

Once (to determine ash presence and the
need to continue sampling; if needed
weekly sampling will continue until all
samples are non-detect for percent ash)

Stations UP, DN1, DN2, and
DN3

Trace elements
(sediment)

Once (As and Se will be co-sampled as
along with percent ash samples as long as
they are collected)

Stations UP, DN1, DN2, and
DN3

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Table 3. Field sampling and laboratory methods for the H. F. Lee sediment sampling program.

Program Method

Water quality Temperature, dissolved oxygen, pH, specific conductance, and turbidity will be
measured with a calibrated multiparameter instrument. Measurements will be taken
from surface from the surface only at river stations.

Water chemistry Samples will be taken with a nonmetallic sampler, transported to the laboratory on ice,
and then analyzed according to EPA methods and or Standard Methods (SM).
Parameters include dissolved and total aluminum, arsenic, and selenium (EPA 200.8).

Percent ash Field sampling followed by polarized light microscopy (Method OPT.023.2).

Trace elements All media, except water, will processed according to EPA Method 3050B EPA and
analyzed by EPA Method 6020. Quality control will be achieved by analytical
standards, replicate and spiked samples, and certified reference materials.

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Appendix 1

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Appendix 2

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Water Chemistry Analyte List
and Screening Values

ANALYTE (MDL) SCREENING VALUES-Aquatic
Life/Human Health Analytical Methodology
Arsenic (As) (µg/L) 50/10 EPA 200.8, Rev. 5.4 1994
(Aqueous)
Selenium (Se) (µg/L) 5/NA EPA 200.8, Rev. 5.4 1994
(Aqueous)

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Sediment Analyte List
and Screening Values

ANALYTE
(MDL wet µg/g)
SEDIMENT
SCREENING VALUES
(μg/g wet weight)
Arsenic (0.013) 9.8
Selenium (0.075) 2