HomeMy WebLinkAbout15019_Norfolk EMP Addendum 2014_09_25
Via E-Mail
September 25, 2014
NC DENR
Division of Waste Management
Brownfields Section
1646 Mail Service Center
Raleigh, NC 27699-1646
Attention: Ms. Carolyn Minnich
Re: Environmental Management Plan Addendum
Norfolk Southern Intermodal Facility
Brownfields Project No. 15019-11-60
Charlotte, North Carolina
H&H Job No. CAT-003
Dear Carolyn:
1.0 Introduction
On behalf of the Charlotte Area Transit System (CATS), Hart & Hickman (H&H) is submitting
this addendum to the Environmental Management Plan Revision 3 dated January 23, 2013
(EMP). The purpose of this addendum is to briefly summarize findings from the preliminary
assessment, outline additional sampling to be completed to further delineate contaminated areas,
and provide guidance on the field screening which will be conducted in the non-impacted areas
of the site.
2.0 Summary of August 2014 Sampling
In August 2014, the City of Charlotte took ownership of the Norfolk Southern Intermodal
Facility (NSIF) Property. Upon completion of the transaction, H&H completed the assessment
specified in the EMP dated January 23, 2013, which was a suspected source area assessment. A
summary of the data collected is included in Tables 1 through 3. A detailed review of the
Ms. Carolyn Minnich
September 25, 2014
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S:\AAA-Master Projects\Charlotte Area Transit System (CAT)\CAT-003 BLE\NSIF Assessment\Delineation Sampling Work Plan\NSIF EMP Addendum.docx
August 2014 sampling data will be provided in the final report, which will also include results of
the proposed sampling outlined in the next section.
Based on the August 2014 data, both impacted and non-impacted areas were outlined and a soil
management plan figure was developed (Figure 2). Contaminated areas were defined based on
those samples from borings which had metals at concentration greater than two times average
background concentrations, or detections of anthropic compounds such as PAHs at any level.
In general, this project is a soil cut situation and impacted soil which cannot be reused on the
NSIF Brownfields site will be transported to Republic Landfill in Concord, NC for disposal. If
small volumes of impacted soils can be reused on this Brownfields site, it will be reused in
accordance with the approved EMP.
Based upon conversations with DENR, areas defined as non-impacted can be removed from the
site and utilized by the contractor as needed along the BLE project during construction activities,
as long as these soils are field screened for impacts by an environmental personnel during
removal. Additional details regarding the field screening methods are discussed in Section 4.0.
3.0 Additional Assessment
In order to potentially reduce the amount of soil considered to be impacted, 30 additional soil
borings will be installed to depths ranging from 5 to 15 ft below ground surface (bgs). Boring
locations were generally based on a 100 ft grid within contaminated areas; however, select
locations were biased to actual areas of construction based on our review of existing plans.
Proposed borings are shown on the engineering design plans included as Appendix A. For
example, borings are proposed in areas where soil will be cut for installation of tracks or
stormwater management ditches or basins.
Ms. Carolyn Minnich
September 25, 2014
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S:\AAA-Master Projects\Charlotte Area Transit System (CAT)\CAT-003 BLE\NSIF Assessment\Delineation Sampling Work Plan\NSIF EMP Addendum.docx
One sample from each of the borings will be collected based on field screening results.
Generally, construction cut depths are less than five ft bgs. Therefore, if no significant impacts
are identified by field screening, then a sample will be collected from a 1 or 2-foot interval
between 0 and 5 ft bgs. Each of the samples will be analyzed for volatile organic compounds
(VOCs), semi-volatile organic compounds (SVOCs), and Hazardous Substance List (HSL)
Metals plus hexavalent chromium and barium using the methods outlined in the EMP. Barium is
typically needed for landfill profiling, and the data that is collected may be needed to update the
landfill profile.
The sampling methodology utilized will be the same as that defined in the approved EMP.
Screening criteria for this evaluation will be as noted in Section 2.0 of this EMP Addendum.
This approach will ensure that soils meet the Inactive Hazardous Sites Branch (IHSB) residential
preliminary soil remediation goals (PSRGs), unless naturally occurring metals are present above
such goals.
As noted previously, a report summarizing both the August 2014 sampling event and this
additional sampling event will be submitted to DENR. In addition to the information required by
the EMP, the report will include a revised soil management plan figure for DENR Brownfields
approval.
4.0 Field Screening of Non-Impacted Areas
This field screening methodology applies to the non-impacted areas, as defined on the attached
soil management plan figure. The City will have environmental personnel field screening during
soil grading activities to observe the soil for potential contamination that may not have been
identified based on the grab soil samples. Environmental field staff will be on-site during
grading or other soil disturbance at the property. The field staff will be observant for changes in
soil conditions. These conditions could include observations of coal ash or fragments, color
change, buried waste materials, or suspect debris (including battery parts). In addition, the soil
Ms. Carolyn Minnich
September 25, 2014
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S:\AAA-Master Projects\Charlotte Area Transit System (CAT)\CAT-003 BLE\NSIF Assessment\Delineation Sampling Work Plan\NSIF EMP Addendum.docx
will be screened using a photoionization detector (PID). If suspected soil or waste materials are
encountered in the non-impacted areas, they will be sampled to confirm the presence of
contamination and/or managed in accordance with the EMP.
The outlines defined on the soil management plan figure may be revised based on the above
outlined additional environmental assessment. If revised, the plan and data will be submitted for
DENR Brownfields review and approval prior to implementation. The impacted and non-
impacted soil areas will be marked in the field using surveying techniques so that the contractor
and the environmental field staff will be able to identify the boundaries easily.
Thank you for your review of this EMP Addendum. In that mass soil grading is imminent, we
would appreciate your prompt review of the Addendum. Please contact us with any questions
you may have.
Sincerely,
Hart & Hickman, PC
Joselyn Harriger, PG Matt Bramblett, PE
Senior Project Geologist Principal
Cc: Mr. David Wolfe, PE, City of Charlotte (PDF by email)
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Ch
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0.85 < 0.39
Ph
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Py
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0.66 < 0.43 0.56 < 0.39
HS
L
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37
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NA 55
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27
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59
3
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59
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170 B 400 B 430 B NA 190 B 4500 B 1400 160 BH, B 690 BH, B
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40
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f
o
r
P
r
o
t
e
c
t
i
o
n
o
f
G
r
o
u
n
d
w
a
t
e
r
o
r
I
n
d
u
s
t
r
i
a
l
/
C
o
m
m
e
r
c
i
a
l
S
o
i
l
C
l
e
a
n
u
p
L
e
v
e
l
5)
M
e
r
c
u
r
y
a
n
a
l
y
z
e
d
b
y
E
P
A
M
e
t
h
o
d
7
4
7
1
A
On
l
y
t
h
o
s
e
c
o
m
p
o
u
n
d
s
d
e
t
e
c
t
e
d
i
n
a
t
l
e
a
s
t
o
n
e
s
a
m
p
l
e
s
h
o
w
n
a
b
o
v
e
Gr
e
y
f
o
n
t
i
n
d
i
c
a
t
e
s
a
n
o
n
-
d
e
t
e
c
t
v
a
l
u
e
Bo
l
d
in
d
i
c
a
t
e
s
a
n
e
x
c
e
e
d
a
n
c
e
o
f
t
h
e
i
n
d
u
s
t
r
i
a
l
P
S
R
G
o
r
D
E
N
R
U
S
T
A
c
t
i
o
n
L
e
v
e
l
Un
d
e
r
l
i
n
e
d
in
d
i
c
a
t
e
s
a
n
e
x
c
e
d
a
n
c
e
o
f
t
h
e
P
r
o
t
e
c
t
i
o
n
o
f
G
r
o
u
n
d
w
a
t
e
r
P
S
R
G
Gr
e
y
s
h
a
d
i
n
g
i
n
d
i
c
a
t
e
s
m
e
t
a
l
c
o
n
c
e
n
t
r
a
t
i
o
n
e
x
c
e
e
d
s
2
x
t
h
e
B
a
c
k
g
r
o
u
n
d
M
e
t
a
l
s
M
e
a
n
VO
C
s
=
v
o
l
a
t
i
l
e
o
r
g
a
n
i
c
c
o
m
p
o
u
n
d
s
;
S
V
O
C
s
=
s
e
m
i
-
v
o
l
a
t
i
l
e
o
r
g
a
n
i
c
c
o
m
p
o
u
n
d
s
TP
H
=
t
o
t
a
l
p
e
t
r
o
l
e
u
m
h
y
d
r
o
c
a
r
b
o
n
s
;
P
C
B
s
=
p
o
l
y
c
h
l
o
r
i
n
a
t
e
d
b
i
p
h
e
n
y
l
s
NS
=
s
c
r
e
e
n
i
n
g
c
r
i
t
e
r
i
a
n
o
t
s
p
e
c
i
f
i
e
d
;
N
A
=
n
o
t
a
n
a
l
y
z
e
d
(
G
r
e
y
)
;
-
-
=
N
o
t
a
p
p
l
i
c
a
b
l
e
B=
A
n
a
l
y
t
e
i
s
f
o
u
n
d
i
n
t
h
e
a
s
s
o
c
i
a
t
e
d
b
l
a
n
k
a
t
a
c
o
n
c
e
n
t
r
a
t
i
o
n
>
1
/
2
R
L
AC
=
S
a
m
p
l
e
w
a
s
a
d
d
e
d
t
o
b
a
c
k
l
o
g
a
n
d
p
r
e
p
p
e
d
/
a
n
a
l
y
z
e
d
o
u
t
s
i
d
e
o
f
h
o
l
d
t
i
m
e
ND
=
N
o
n
d
e
t
e
c
t
i
n
s
a
m
p
l
e
s
f
o
r
a
n
y
c
o
n
s
t
i
t
u
e
n
t
s
u
n
d
e
r
h
e
a
d
i
n
g
mg
/
k
g
=
m
i
l
l
i
g
r
a
m
s
p
e
r
k
i
l
o
g
r
a
m
Sc
r
e
e
n
i
n
g
C
r
i
t
e
r
i
a
S:
\
A
A
A
-
M
a
s
t
e
r
P
r
o
j
e
c
t
s
\
C
h
a
r
l
o
t
t
e
A
r
e
a
T
r
a
n
s
i
t
S
y
s
t
e
m
(
C
A
T
)
\
C
A
T
-
0
0
3
B
L
E
\
N
S
I
F
A
s
s
e
s
s
m
e
n
t
\
R
e
p
o
r
t
\
T
a
b
l
e
s
\
D
a
t
a
T
a
b
l
e
s
0
9
.
1
0
.
2
0
1
4
9/2
5
/
2
0
1
4
Table 2 (Page 1 of 1)Hart & Hickman, PC
Ta
b
l
e
3
(
P
a
g
e
1
o
f
1
)
Su
m
m
a
r
y
o
f
G
r
o
u
n
d
w
a
t
e
r
A
n
a
l
y
t
i
c
a
l
D
a
t
a
No
r
f
o
l
k
S
o
u
t
h
e
r
n
I
n
t
e
r
m
o
d
a
l
F
a
c
i
l
i
t
y
Ch
a
r
l
o
t
t
e
,
N
o
r
t
h
C
a
r
o
l
i
n
a
H&
H
J
o
b
N
o
.
C
A
T
-
0
0
3
S
a
m
p
l
e
I
D
T
M
W
-
1
TM
W
-
1
Fil
t
e
r
e
d
TM
W
-
2
T
M
W
-
3
T
M
W
-
4
T
M
W
-
5
T
M
W
-
6
T
M
W
-
7
T
M
W
-
8
T
M
W
-
9
TMW-9 Filtered TMW-10
T
M
W
-
1
1
Sa
m
p
l
e
D
a
t
e
2L
G
r
o
u
n
d
w
a
t
e
r
Qu
a
l
i
t
y
S
t
a
n
d
a
r
d
1
V
a
p
o
r
I
n
t
r
u
s
i
o
n
Gr
o
u
n
d
w
a
t
e
r
Sc
r
e
e
n
i
n
g
L
e
v
e
l
2
8/
1
2
&
13
/
2
0
1
4
8/1
3
/
2
0
1
4
8
/
1
3
/
2
0
1
4
8
/
1
3
/
2
0
1
4
8
/
1
4
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
5
/
2
0
1
4
8
/
1
8
/
2
0
1
4
8
/
1
8
/
2
0
1
4
U
n
i
t
s
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
(
u
g
/
L
)
PC
B
s
(
8
0
8
2
A
)
--
-
-
NA
N
A
N
A
N
A
N
A
N
D
N
A
N
D
N
A
N
A
N
A
N
D
N
A
VO
C
s
(
8
2
6
0
B
)
Ch
l
o
r
o
f
o
r
m
7
0
3
5
.
5
<
0
.
5
0
N
A
<
0
.
5
0
<
0
.
5
0
<
0
.
5
0
0.
9
5
<
0
.
5
0
0.
6
4
< 0
.
5
0
0.
8
5
NA
<
0
.
5
0
<
0
.
5
0
ci
s
-
1
,
2
-
d
i
c
h
l
o
r
o
e
t
h
y
l
e
n
e
6
0
3
0
.
4
<
0
.
5
0
N
A
<
0
.
5
0
2.
0
1
.
4
<
0
.
5
0
<
0
.
5
0
<
0
.
5
0
<
0
.
5
0
<
0
.
5
0
N
A
<
0
.
5
0
<
0
.
5
0
Te
t
r
a
c
h
l
o
r
o
e
t
h
y
l
e
n
e
0
.
7
4
8
.
4
<
0
.
5
0
N
A
<
0
.
5
0
0.
5
5
0.
8
6
0
.
7
1
<
0
.
5
0
<
0
.
5
0
<
0
.
5
0
67
NA
<
0
.
5
0
0.73
Tr
i
c
h
l
o
r
o
e
t
h
y
l
e
n
e
3
4
.
4
1
.
5
NA
<
0
.
5
0
6.
6
8.
1
0.
6
3
<
0
.
5
0
0.
5
4
< 0
.
5
0
1.
4
NA
<
0
.
5
0
<
0
.
5
0
SV
O
C
s
(
8
2
7
0
C
)
--
-
-
ND
N
A
N
D
N
D
N
D
N
D
N
D
N
D
N
A
N
D
N
A
N
D
N
D
RC
R
A
M
e
t
a
l
s
(6
0
1
0
B
/
7
4
7
1
A
3 )
Ar
s
e
n
i
c
1
0
-
-
1
.
6
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
N
A
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
Ch
r
o
m
i
u
m
1
0
-
-
5
.
3
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
5.
7
4
.
0
11
NA
<
1
.
0
2.8 < 1.0 1.2
Co
p
p
e
r
1
,
0
0
0
-
-
7
.
3
<
5
.
0
31
7
.
6
5
.
8
<
5
.
0
7.
0
<
5
.
0
N
A
<
5
.
0
7.3
1
1
5
.
8
Le
a
d
1
5
-
-
8
.
6
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
<
1
.
0
N
A
<
1
.
0
1.2 < 1.0
<
1
.
0
Ma
n
g
a
n
e
s
e
5
0
-
-
28
0
2
7
0
1
0
0
0
4
5
0
7
0
21
6
.
2
29
0
NA
65
0
6
4
0
1
2
0
0
5
4
0
Nic
k
e
l
1
0
0
-
-
2
.
5
<
2
.
0
6.
9
8
.
2
<
2
.
0
3.
3
<
2
.
0
12
NA
3.
8
4
.
7
4
.
4
7
.
6
Se
l
e
n
i
u
m
2
0
-
-
<
1
.
0
<
1
.
0
A
A
<
1
.
0
1.
2
<
1
.
0
A
A
1.
8
A
B
1
.
3
A
B
<
1
.
0
A
B
N
A
<
1
.
0
A
B
1.1 < 1.0 AA 1.6 AA
Zin
c
1
,
0
0
0
-
-
1
7
1
1
2
5
6
3
<1
0
<
1
0
<
1
0
20
NA
20
3
0
8
0
4
4
Fie
l
d
P
a
r
a
m
e
t
e
r
s
Te
m
p
e
r
a
t
u
r
e
(
o C)
--
-
-
3
2
.
4
8
3
2
.
4
8
3
2
.
6
3
3
.
8
8
3
7
.
3
2
3
1
.
8
8
3
1
.
9
4
3
5
.
3
2
3
1
.
3
2
3
3
.
1
8
3
3
.
1
8
2
7
.
8
6
3
0
.
1
5
pH
-
-
-
-
6
.
7
6
.
7
6
.
2
3
6
.
6
6
.
7
4
7
.
0
6
9
.
9
5
5
.
7
3
5
.
9
2
7
.
2
7
7
.
2
7
7
.
0
2
6
.
6
9
Co
n
d
u
c
t
i
v
i
t
y
(
µm
/
s
e
c
)
--
-
-
0
.
3
9
0
.
3
9
0
.
4
9
7
0
.
4
0
1
0
.
4
7
3
0
.
4
5
6
0
.
2
5
9
0
.
4
2
0
.
3
3
9
0
.
5
4
3
0
.
5
4
3
0
.
6
8
6
0
.
4
7
3
Tu
r
b
i
d
i
t
y
(
N
T
U
)
-
-
-
-
1
9
5
1
9
5
5
.
1
2
1
1
.
9
6
.
4
2
0
.
1
6
.
3
4
1
5
.
4
2
6
2
6
2
.
4
4
.
3
No
t
e
s
:
1)
N
C
A
C
0
2
L
G
r
o
u
n
d
w
a
t
e
r
Q
u
a
l
i
t
y
S
t
a
n
d
a
r
d
s
(
A
p
r
i
l
2
0
1
3
)
2)
D
i
v
i
s
i
o
n
o
f
W
a
s
t
e
M
a
n
a
g
e
m
e
n
t
N
o
n
-
R
e
s
i
d
e
n
t
i
a
l
V
a
p
o
r
I
n
t
r
u
s
i
o
n
G
r
o
u
n
d
w
a
t
e
r
S
c
r
e
e
n
i
n
g
L
e
v
e
l
3)
M
e
r
c
u
r
y
a
n
a
l
y
z
e
d
b
y
E
P
A
M
e
t
h
o
d
7
4
7
1
A
On
l
y
t
h
o
s
e
c
o
m
p
o
u
n
d
s
d
e
t
e
c
t
e
d
i
n
a
t
l
e
a
s
t
o
n
e
s
a
m
p
l
e
s
h
o
w
n
a
b
o
v
e
Bo
l
d
in
d
i
c
a
t
e
s
a
n
e
x
c
e
e
d
a
n
c
e
o
f
t
h
e
2
L
s
t
a
n
d
a
r
d
Un
d
e
r
l
i
n
e
d
in
d
i
c
a
t
e
s
a
n
e
x
c
e
d
a
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9
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1
0
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4
9/2
5
/
2
0
1
4
Table 3 (Page 1 of 1)Hart & Hickman, PC
TITLE
PROJECT
SITE LOCATION MAP
NORFOLK SOUTHERN INTERMODAL FACILITY
CHARLOTTE, NORTH CAROLINA
DATE:
JOB NO:
REVISION NO:
FIGURE NO:
9/9/2014 0
1CAT-003
0 2000 4000N
APPROXIMATE
SCALE IN FEET
U.S.G.S. QUADRANGLE MAP
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)
Charlotte East, 2013
SITE
S:\AAA-Master Projects\Charlotte Area Transit System (CAT)\CAT-003 BLE\NSIF Assessment\Delineation Sampling Work Plan\NSIF EMP Addendum.docx
Appendix A
Proposed Soil Boring Locations