1910_Brickhaven_LeachateEvapRequest_DIN28358_20170731

Field Trial Implementation Proposal
Brickhaven Structural Fill Facility
Leachate Evaporation System Evaluation
Moncure, North Carolina

Date: 06/08/2017
Revision: 1

Service Above All

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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Table of Contents
Introduction ......................................................................................................................................2
Problem Statement ................................................................................................................................... 2
Field Trial ................................................................................................................................................... 2
General Explanation of Evaporative Methodology ............................................................................... 2
General Assumptions ............................................................................................................................ 2
Description of Proposed Evaporation Equipment ................................................................................ 3
Field Trial Objectives ..........................................................................................................................3
Evaluation Criteria ..................................................................................................................................... 3
Field Trial Implementation Plan ..........................................................................................................4
Field Trial Design ....................................................................................................................................... 4
Proposed Evaporation Equipment Setup .............................................................................................. 4
Field Trial Environmental and Engineering Controls ................................................................................ 4
Data Collection Means and Methods ....................................................................................................... 4
Field Collected Data: ............................................................................................................................. 5
Laboratory Derived Data ....................................................................................................................... 5
Field Trial Management and Data Evaluation ......................................................................................6
Proposed Schedule ................................................................................................................................... 6
Final Report ............................................................................................................................................... 6

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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Introduction
Problem Statement
Charah, LLC (Charah) is the operator of the Brickhaven structural fill facility (Brickhaven) in Moncure,
North Carolina. Charah's Brickhaven facility has historically generated on average between 600,000 -
3,000,000 gallons of leachate per month during the historical operation of the facility since October 2015.
Leachate is generated from residual, free draining water that is present in the CCP material upon
excavation; operational waters applied for dust suppression during general site operations and
precipitation that contacts the placed CCP material in the structural fill cells. Leachate generation has
been documented to be highly variable based on several factors including (but not limited to) precipitation
volume, precipitation frequency, and open surface area of the active structural fill working face. All
leachate generated at the Brickhaven facility is required by regulation and site-specific permitting to be
transported to one of several disposal facilities permitted to accept industrial waste for final treatment
and disposal.
Leachate generated at the Brickhaven facility requires significant operational and financial resources to
manage. An economical and efficient manner of on-site disposal is required to dispose of leachate at the
Brickhaven facility. Charah has evaluated the resource requirements for several other means of leachate
disposal including, but not limited to, treatment utilizing an on-site wastewater pre-treatment system,
treatment and disposal utilizing an on-site wastewater treatment system and solar/direct heat
evaporation systems. All of these technologies were determined to be operationally limiting or cost
prohibitive.
Field Trial
Charah proposes to conduct a field trial of a Leachate Evaluation System (LES) at the Brickhaven facility to
assess the suitability and efficiency of this technology. Charah plans to operate the equipment in the field
up to ninety (90) days.
During this field trial, the effectiveness, both in terms of disposal efficiency and the cost will be evaluated.
Upon completion of the field trial, Charah will evaluate the results to determine next steps.
General Explanation of Evaporative Methodology
Evaporation of water is a natural process that involves the combination of several environmental
conditions. The rate of evaporation is dependent upon the amount of UV radiation (sunlight), relative
humidity, wind speed and the size of water droplets introduced into the atmosphere. As water droplets
are introduced into the ambient air, water vapor will enter the vapor phase (evaporate) at a rate
dependent upon natural processes and conditions.
General Assumptions
The following general assumptions were considered in the development of the field trial proposal:
(1) Leachate from the Brickhaven structural fill does not contain constituents of concern
present in MSW leachate. VOCs, landfill gasses, and SVOCs common to MSW leachate can
be released due to volatilization induced during leachate evaporation.

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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These constituents are not present in CCP generated leachate. Leachate generated at the
Brickhaven project has trace amounts of heavy metals as constituents of concern. Heavy
metals would be separated, in theory, from the water portion of leachate during the
evaporation process and returned by gravity to the lined structural fill area.

(2) The implementation of an LES for on-site disposal of leachate at Brickhaven will continue
to require reduced use of off-site transport and disposal of leachate. The ability of an LES
to operate properly is 100% dependent on favorable environmental conditions. An LES
should not be operated during cold and freezing conditions due to the risk of catastrophic
system failure caused by the freezing of leachate. It is expected an LES could operate
efficiently for six to eight months during an operational year depending on seasonal
weather patterns.

(3) The location of the LES will be lined to ensure proper containment and all applicable
requirements associated with compliance boundaries will be adhered to.
(4) The effectiveness of an LES is highly dependent on the following atmospheric
conditions:
• Relative Humidity
• Wind Speed
• Wind Direction
• Ambient Temperature
• Solar Radiation
Description of Proposed Evaporation Equipment
A 3rd Party vendor will provide an LES with the following system components:
• Leachate pump and temporary storage tank connected to existing leachate collection and
conveyance system.
• One or more booster pumps, as needed, to provide sufficient pressure to the evaporation
nozzles.
• Evaporation nozzle headworks to atomize the leachate.
• High powered fan to direct the evaporate into the atmosphere.
• Lined evaporation “alleyway”.
• Perimeter berms and single row mesh netting to control evaporate migration and residual
condensate.
A proposed system overview and construction layout are provided as Figures 1 and 2 in Attachment A.
Field Trial Objectives
Evaluation Criteria
The following criteria will be evaluated during the field trial:
(1) Reliability of LES System

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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(a) Maintenance required to operate an LES system on a continual basis.
(b) Operational efficiency (fuel consumption) per volume of leachate disposed of.
(2) Efficiency of LES System
(a) Volume of leachate disposed of during evaporation versus volume of leachate
returned as condensate.
(b) The impact of atmospheric conditions on evaporation efficiency.
(c) Evaluation of perimeter controls to ensure no migration of evaporate occurs
during varying atmospheric conditions.
Field Trial Implementation Plan
Field Trial Design
Proposed Evaporation Equipment Setup
The previously described LES system will be provided by a 3rd Party vendor for use during the proposed
field trial. A conceptual schematic is provided in Figure 2 as Attachment A. The proposed LES will be
positioned to provide adequate separation from all compliance and property boundaries in accordance
with the current permits and regulations governing the Brickhaven structural fill project.
A leachate evaporation “alleyway” will be constructed on top of structural fill Cells 1/2. The LES alleyway
will be constructed with approximate dimensions of 100 feet in width by 300 feet length with a sloping
gradient back towards the evaporation unit. The alleyway will be constructed with an HDPE liner to collect
any residual condensate that does not evaporate into the atmosphere. Diversion swales and/or ditches
will be installed along the down-gradient side of the alleyway to divert all condensate into a sump and
pump that will convey condensate to an existing leachate cleanout point to return leachate into the
leachate collection system for recycling. The possible locations of the evaporation alleyway is provided as
Figure 1 in Attachment A.
Field Trial Environmental and Engineering Controls
A perimeter soil berm approximately 4 feet high will be constructed around the perimeter of the alleyway
to contain any residual evaporate that condenses and falls back to the ground surface. A single row of
mesh fencing will be installed in the top of the perimeter berm to contain evaporate. Secondary mesh
fencing will be placed near areas such as compliance and property boundaries nearby the LES. Details on
the proposed perimeter controls are provided as Figure 5 in Attachment A.

Data Collection Means and Methods
During the trial, both field and laboratory data will be collected. Field data will be collected using
automated field sampling equipment, 3rd Party vendors or Charah personnel. Laboratory sampling and
analysis will be provided by an NC certified laboratory for the appropriate mediate tested (air, water, or
soil). All data will be compiled and analyzed to determine if the field trial evaluation and success criteria
are met during the field trial period.

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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Field-Collected Data:
The following field data and frequencies of data collection will be collected during the proposed field
trial:
Field Parameter Method Frequency Collection Agent
Ambient Temperature
Automated Instrumentation
on LES; On-site weather
station; KTTA weather
station data
Minimum – Hourly
Optimum - Minute
LES Equipment or
Vendor; Verification
by Charah
Relative Humidity
Automated Instrumentation
on LES; On-site weather
station; KTTA weather
station data
Minimum – Daily
Optimum - Hourly
LES Equipment or
Vendor; Verification
by Charah
Wind Speed
Automated Instrumentation
on LES; On-site weather
station; KTTA weather
station data
Minimum – Daily
Optimum - Hourly
LES Equipment or
Vendor; Verification
by Charah
Wind Direction
Automated Instrumentation
on LES; On-site weather
station; KTTA weather
station data
Minimum – Daily
Optimum - Hourly
LES Equipment or
Vendor; Verification
by Charah
Solar Radiation
Astronomical data collected
from Moncure, NC site via
weatherunderground.com
website
Daily Charah
Barometric Pressure
Access Weather Station
Data at site and/or KTTA
weather station via Internet
Hourly Charah

Laboratory-Derived Data
The following laboratory data and frequencies of data collection will be collected during the proposed
field trial:
Field Parameter Method Frequency Sampling Location Collection Agent
Soil Sampling
EPA Method
6010 for CCP
Metals
Pre-Field Trial for
Baseline; Post-field
trial
Sample Points as
shown on Figure 3
provided as
Attachment A.
3rd Party testing
firm qualified to
conduct soil
sampling;
samples to be
submitted to an
NC certified
laboratory
qualified and
experienced in
the specified
testing methods

Brickhaven Structural Fill Facility Leachate Evaporation System Evaluation
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Condensate
EPA Method
6010 for CCP
metals
Weekly during LES
Operation at a
minimum
LES condensate
return sump
3rd Party testing
firm qualified to
conduct water
sampling;
samples to be
submitted to an
NC certified
laboratory
qualified and
experienced in
the specified
testing methods
Airborne Metals
EPA 6010C m,
Total metals
(including CCP
metals) on high-
volume Filter;
collected at a
flow rate
required by
sampling
equipment
Minimum:
Two (2)
representative
tests a minimum
of one week apart
pre-field trial;
One (1) test per 7
days of operation
during field trial;
Two (2) tests at
one week intervals
after field trial

Sample Points as
shown on Figure 4
provided as
Attachment A.
Samples to be
collected at 50 foot.
100’ setback, 200’
setback, and
compliance/property
boundary at a
minimum
3rd Party testing
firm qualified to
conduct ambient
air sampling;
samples to be
submitted to an
NC certified
laboratory
qualified and
experienced in
the specified
testing methods

Proposed sampling locations are provided as Figure 3, and Figure 4 in Attachment A. Sampling locations
can be amended based on the review and response of NC DEQ and the third-party testing service provider.
Field Trial Management and Data Evaluation
Proposed Schedule
The proposed field trial would be conducted during ideal operating conditions within the months of June,
July, and August of 2017. The field trial will run for the maximum ninety (90) day period or as directed by
NC DEQ.
Final Report
All data collected during the field trial will be compiled, reviewed, and presented by Charah to NC DEQ in
a final report within ninety (90) days of completing the trial. The final report will contain all field and
laboratory data as well as findings and recommendations. If warranted, Charah will provide a request for
a permit for a permanent LES after the issuance of the final report and review by NC DEQ.

Attachments:
Brickhaven Structural Fill Facility
Leachate Evaporation System Evaluation
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2
S
S
-
3
1
S
S
-
3
0
S
S
-
B
S
U
R
F
A
C
E

S
L
O
P
E
D
I
R
E
C
T
I
O
N
L
I
N
E
D

S
U
M
P

F
O
R

R
E
S
I
D
U
A
L
C
O
N
D
E
N
S
A
T
E

C
O
L
L
E
C
T
I
O
N
.
D
I
S
C
H
A
R
G
E

T
O

S
T
R
U
C
T
U
R
A
L
F
I
L
L

L
E
A
C
H
A
T
E

C
O
L
L
E
C
T
I
O
N
S
Y
S
T
E
M

B
Y

G
R
A
V
I
T
Y

O
R
S
U
R
F
A
C
E

P
U
M
P

(
I
F

R
E
Q
U
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E
D
)
P
R
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P
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R
T
Y

L
I
N
E
P
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E
C
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B
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D
A
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B
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A
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A
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E
V
A
P
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R
A
T
I
O
N
A
L
L
E
Y
W
A
Y
.
100' WI
D
E

X

3
0
0
'

L
O
N
G
SUB-CELLS
2
C
/
2
D
BOUN
D
A
R
Y
LES EVAPORATION U
N
I
T
F
I
G

3
:

P
R
O
P
O
S
E
D

S
O
I
L

S
A
M
P
L
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N
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L
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A
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A
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B
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L
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A
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A
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N

F
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L
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T
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A
L

P
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P
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A
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C
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,

N
O
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H

C
A
R
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L
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N
A
5
0
'

B
U
F
F
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1
0
0
'

B
U
F
F
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R
2
0
0
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B
U
F
F
E
R
A
S
-
4
A
S
-
9
A
S
-
5
A
S
-
6
A
S
-
3
A
S
-
7
A
S
-
8
A
S
-
1
2
A
S
-
1
3
A
S
-
1
4
A
S
-
1
1
A
S
-
B
A
S
-
1
A
S
-
2
A
S
-
1
0
S
U
R
F
A
C
E

S
L
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P
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D
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C
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N
L
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D

S
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F
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A
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S
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C
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L
L
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C
T
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N
.
D
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S
C
H
A
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T
O

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R
A
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F
I
L
L

L
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A
C
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A
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C
O
L
L
E
C
T
I
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N
S
Y
S
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M

B
Y

G
R
A
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I
T
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O
R
S
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R
F
A
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P
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P

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P
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P
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R
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A
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E
V
A
P
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R
A
T
I
O
N
A
L
L
E
Y
W
A
Y
.
100' WI
D
E

X

3
0
0
'

L
O
N
G
SUB-CELLS
2
C
/
2
D
BOUN
D
A
R
Y
LES EVAPORATION U
N
I
T
A
S
-
4
A
S
-
9
A
S
-
5
A
S
-
6
A
S
-
3
A
S
-
7
A
S
-
8
A
S
-
1
2
A
S
-
1
3
A
S
-
1
4
A
S
-
1
1
A
S
-
B
A
S
-
1
A
S
-
2
A
S
-
1
0
F
I
G

4
:

P
R
O
P
O
S
E
D

A
I
R

S
A
M
P
L
I
N
G

L
O
C
A
T
I
O
N

M
A
P
B
R
I
C
K
H
A
V
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N

L
E
A
C
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A
T
E

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V
A
P
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R
A
T
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O
N

F
I
E
L
D

T
R
I
A
L

P
R
O
P
O
S
A
L
M
O
N
C
U
R
E
,

N
O
R
T
H

C
A
R
O
L
I
N
A
GENERAL NOTES:(1) EXISTING SOIL COVER MATERIAL OVER CELL 1 CCP STRUCTURA
L

F
I
L
L

H
A
S

A
N

A
V
E
R
A
G
E

D
E
P
T
H

O
F

2

F
O
O
T
(2) FML LINER TO BE KEYED INTO ADDED SOIL TO EXISTING COVER
L
A
Y
E
R

O
V
E
R

C
E
L
L

1

O
R

A
S

N
E
E
D
E
D

T
O
SECURE THE LINER PROPERLY.(3) LINER AND DRAINAGE COLLECTION PIPING WILL BE PLACED AT A

M
I
N
I
M
U
M

O
F

1
%

S
L
O
P
E

T
O

E
N
S
U
R
E
POSITIVE DRAINAGE.
F
I
G

5
:

L
E
A
C
H
A
T
E

E
V
A
P
O
R
A
T
I
O
N

S
Y
S
T
E
M

A
L
L
E
Y
W
A
Y

C
R
O
S
S

S
E
C
T
I
O
N
B
R
I
C
K
H
A
V
E
N

L
E
A
C
H
A
T
E

E
V
A
P
O
R
A
T
I
O
N

F
I
E
L
D

T
R
I
A
L

P
R
O
P
O
S
A
L
M
O
N
C
U
R
E
,

N
O
R
T
H

C
A
R
O
L
I
N
A
VEGETATIVE COVERFML BETWEEN EXISTING SOIL CAPAND DRAINAGE LAYER.
A
D
D
I
T
I
O
N
A
L

S
O
I
L

T
O

B
E

A
D
D
E
D

T
O
E
X
I
S
T
I
N
G

S
O
I
L

C
A
P

T
O

P
R
O
V
I
D
E

M
I
N
I
M
U
M
O
F

1
%

S
L
O
P
E

T
O

F
M
L

T
O

P
R
O
M
O
T
E
D
R
A
I
N
A
G
E

T
O

C
O
L
L
E
C
T
I
O
N

P
I
P
E
P
E
R
F
O
R
A
T
E
D

H
D
P
E

D
R
A
I
N

P
I
P
E

T
O
C
O
L
L
E
C
T

A
N
Y

D
R
A
I
N
A
G
E

L
A
Y
E
R

F
L
O
W
.
PERIMETER SOIL BERM. FML TOBE PLACED BELOW EXCAVATIONDEPTH OF PERIMETER FENCINGSUPPORT POLES
2

F
O
O
T

P
R
O
T
E
C
T
I
V
E

S
O
I
L

C
O
V
E
R
E
X
I
S
T
I
N
G

S
O
I
L

C
A
P

M
A
T
E
R
I
A
L

O
V
E
R

C
E
L
L

1

C
C
P

S
T
R
U
C
T
U
R
A
L

F
I
L
L
2

F
O
O
T

D
R
A
I
N
A
G
E

L
A
Y
E
R
C
R
O
S
S

S
E
C
T
I
O
N

A

-

A
'
C
R
O
S
S

S
E
C
T
I
O
N

B

-

B
'
CROSS SECTION B - B' - DE
T
A
I
L

1
C
R
O
S
S

S
E
C
T
I
O
N

B

-

B
'

-

D
E
T
A
I
L

2
N
O
T

T
O

S
C
A
L
E
N
O
T

T
O

S
C
A
L
E
N
O
T

T
O

S
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A
L
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N
O
T

T
O

S
C
A
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X
I
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S
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L

C
A
P

M
A
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R
I
A
L

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V
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R

C
E
L
L

1

C
C
P

S
T
R
U
C
T
U
R
A
L

F
I
L
L
EXISTING SOIL CAP MATERIAL OVER CELL CCPSTRUCTURAL FILL 2 FOOT DRAINAGE LAYER2 FOO
T

P
R
O
T
E
C
T
I
V
E

S
O
I
L

C
O
V
E
R
2

F
O
O
T

P
R
O
T
E
C
T
I
V
E

S
O
I
L

C
O
V
E
R
P
E
R
F
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R
A
T
E
D

H
D
P
E

D
R
A
I
N
A
G
E
C
O
L
L
E
C
T
I
O
N

P
I
P
E
.

D
A
Y
L
I
G
H
T

T
O
C
O
L
L
E
C
T
I
O
N

S
U
M
P
.
H
D
P
E

L
I
N
E
D

C
O
N
D
E
N
S
A
T
E

C
O
L
L
E
C
T
I
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N
S
U
M
P
.

C
O
N
D
E
N
S
A
T
E

T
O

B
E

R
E
T
U
R
N
E
D

T
O
E
X
I
S
T
I
N
G

L
E
A
C
H
A
T
E

C
O
L
L
E
C
T
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N
S
Y
S
T
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M

C
L
E
A
N

O
U
T

B
Y

S
U
R
F
A
C
E

P
U
M
P
PE
R
F
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R
A
T
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D

H
D
P
E

D
R
A
I
N

P
I
P
E

T
O
CO
L
L
E
C
T

A
N
Y

D
R
A
I
N
A
G
E

L
A
Y
E
R

F
L
O
W
.
MIN
I
M
U
M

S
L
O
P
E

1
%
FML BETWEEN EXISTING SOIL CAP ANDDRAINAGE LAYER.VEGETATIVE COVER
V
E
G
E
T
A
T
I
V
E

C
O
V
E
R
P
E
R
I
M
E
T
E
R

S
O
I
L

B
E
R
M
.

F
M
L

T
O

B
E

P
L
A
C
E
D

B
E
L
O
W
E
X
C
A
V
A
T
I
O
N

D
E
P
T
H

O
F

P
E
R
I
M
E
T
E
R

F
E
N
C
I
N
G
S
U
P
P
O
R
T

P
O
L
E
S
PERIMETER SOIL BERM. FML TOBE PLACED BELOW EXCAVATIONDEPTH OF PERIMETER FENCINGSUPPORT POLES
A
D
D
I
T
I
O
N
A
L

S
O
I
L

T
O

B
E

A
D
D
E
D

T
O
E
X
I
S
T
I
N
G

S
O
I
L

C
A
P

T
O

P
R
O
V
I
D
E
M
I
N
I
M
U
M

O
F

1
%

S
L
O
P
E

T
O

F
M
L

T
O
P
R
O
M
O
T
E

D
R
A
I
N
A
G
E

T
O
C
O
L
L
E
C
T
I
O
N

S
U
M
P
SEE DETAIL 1
S
E
E

D
E
T
A
I
L

2
3
0
0
'

L
E
N
G
T
H
1
0
0
'

W
I
D
T
H
P
R
O
P
O
S
E
D

W
I
N
D

S
C
R
E
E
N
I
N
G
T
O
P

O
F

P
E
R
I
M
E
T
E
R
S
O
I
L

B
E
R
M
TOP OF PERIMETERSOIL BERM
P
R
O
P
O
S
E
D

L
E
S

U
N
I
T
9
0
'

C
O
L
L
E
C
T
I
O
N

A
R
E
A
A
'
A
B
'
B