MO-4253_13338_CA_MRP_20190111_Groundwater Monitoring Report

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January 11, 2019
North Carolina Department of Environmental Quality (NCDEQ)
Division of Waste Management (DWM)
Underground Storage Tanks (UST) Section
610 East Center Avenue Suite 301
Mooresville, North Carolina 28115
Attention: Mr. Brett Morris
Re: Groundwater Monitoring Report
Kloeckner Metals Corporation
UST Incident # 13338
624 Black Satchel Drive
Charlotte, North Carolina 28216
Dear Mr. Morris:
AECOM Technical Services of North Carolina, Inc. (AECOM), formerly legacy URS Corporation of
North Carolina, Inc., is pleased to present this report for groundwater monitoring activities
conducted on October 12, 2018 to the NCDEQ UST Section on behalf of Kloeckner Metals
Corporation (Kloeckner). The Kloeckner facility is located at 624 Black Satchel Drive in
Charlotte, Mecklenburg County, North Carolina (site). A map depicting the location of the site is
provided as Figure 1, and a map depicting the site layout is included as Figure 2.
1.0 BACKGROUND
Based on previous site information provided to AECOM by Kloeckner, formerly Macsteel
Service Centers USA (Macsteel), the site was formerly operated by Edgcomb Metals Company
(Edgcomb). Edgcomb conducted similar site operations as Kloeckner prior to Macsteel's
acquisition of the site in 1995.
The site is currently assigned UST Incident #13338 due to the presence of petroleum
hydrocarbons in the soil and groundwater. The NCDEQ UST Section has classified the site as
`Intermediate Risk', and is currently not directed for cleanup or remediation activities. A total of
six USTs and three oil/water (o/w) separators were used onsite for storage of the following:
➢ Two 1,000-gallon USTs for storage of #2 fuel oil;
➢ One 1,000-gallon UST for storage of used oil;
➢ Three 1,000-gallon o/w separators;
➢ One 9,500-gallon UST for storage of diesel fuel;
➢ One 10,000-gallon UST for storage of diesel fuel; and,
➢ One 20,000-gallon UST originally used for storage of diesel fuel, and then for storing
heating oil.

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NCDEQ
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Page 2
According to historical documents identified during a file review, all USTs and o/w separators
were removed between August 1994 and September 1995, with associated soil and groundwater
assessment activities initiated in March/April of 1995.
August 1994
On August 8-11, 1994, SPATCO Environmental (SPATCO) conducted UST removal and soil
excavation activities associated with the former #2 fuel oil USTs, used oil UST, three o/w
separators and the 9,500-gallon/10,000-gallon diesel USTs, with the results of these activities
reported in the Tank Closure Report, submitted to NCDEQ by SPATCO on August 29, 1994.
According to the Tank Closure Report, soil samples were collected at the base of each UST and
o/w separator area for petroleum hydrocarbons, halogenated solvents and/or oil & grease
composition. The Tank Closure Report also included recommendations to investigate the
20,000-gallon heating oil UST.
April 1995
A release in the area of the 20,000-gallon heating oil tank area was discovered in August of 1994,
with notification to NCDEQ in February 1995. Assessment activities associated with this UST
were initiated in March 1995, along with a groundwater assessment in the area of the former #2
fuel oil USTs, with groundwater concentrations exceeding applicable North Carolina 15A NCAC
2L.0202 groundwater quality standards (NC 21,$). Details of this investigation are discussed in
the Initial Assessment Report, submitted to NCDEQ by SPATCO, in April of 1995.
September 1995
According to Macsteel correspondence to NCDEQ, the 20,000-gallon heating oil UST was
removed in September 1995. According to NCDEQ records, and verification by MacSteel in
correspondence dated June 2004, the 20,000-gallon heating oil UST was also previously used to
store diesel fuel. Soil samples were collected at the base of the UST pit and near the pump
transfer piping and elbows. A water sample was collected from the perched water in the base of
the tank pit, however, no water sample was collected from the surficial groundwater aquifer.
Details of the UST removal and associated sample results are discussed in the Tank Closure
Report, submitted by SPATCO to NCDEQ in September 1995.
November 1995
In November 1995, SPATCO submitted a Comprehensive Site Assessment Report (CSA)
discussing previous and additional soil/groundwater assessment activities, including the
installation and sampling of the groundwater monitoring well network (MW-1 through MW-8,
and DW-1) across the site. The existing monitoring well network is shown on Figure 2. The
report also included receptor survey data, along with, hydrogeologic data collected during the
CSA.

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NCDEQ
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Page 3
January 1996
Following completion of the CSA, SPATCO proceeded with evaluation of a remedy for the site.
A corrective action plan (CAP) was submitted to the NCDEQ UST Section on January 5, 1996,
summarizing assessment and monitoring activities to date, along with evaluation of remediation
alternatives. Monitored natural attenuation (MNA) was found to be the preferred remedy for the
site, and received final approval from NCDEQ in a letter dated March 8, 1996.
May 2003
In May of 2003, Macsteel received a letter from the NCDEQ UST Section in response to results
of the Groundwater Monitoring Report, received on May 1, 2003. In the letter, Macsteel was
directed to initiate free product recovery activities for the site at monitoring well MW-1, due to
the detection of light, non -aqueous phase liquid (LNAPL) at a thickness greater than 0.01 feet.
AECOM was unable to locate any free product recovery reports associated with the site prior to
2003. Upon further correspondence between Macsteel and NCDEQ in 2007, Macsteel was
informed that only activities associated with the detection of 1/-inch thickness of LNAPL would
be under the direction of NCDEQ. AECOM was later informed by Mr. Brett Morris of NCDEQ
via telephone conversation on March 30, 2011 that directed activities would commence upon
detection of LNAPL greater than 1/8-inch thickness.
November 2010
In November of 2010, AECOM conducted additional soil sampling, recovery well installation,
and well improvement activities onsite. The intent of soil sampling activities was to fill data
gaps from previous assessment activities to meet the current requirements of the NCDEQ UST
Program Guidelines for Assessment and Corrective Action (NCDENR, July 15, 2008). Soil
samples collected from each boring in the former o/w separator area were analyzed for volatile
organic compounds (VOCs), semivolatile organic compounds (SVOCs) - polynuclear aromatic
hydrocarbons (PAHs), volatile and extractable petroleum hydrocarbons (VPH/EPH),
polychlorinated biphenyls (PCBs), chromium, and lead. Samples collected near the former #2
fuel oil UST were analyzed for VOCs, PAHs, and VPH/EPH compounds. Samples collected in
the former heating oil UST area were analyzed for PAHs, EPH/VPH, and light petroleum VOCs.
Soil sample results indicated the presence of petroleum hydrocarbons and lead, but at
concentrations below their respective soil -to -water maximum contaminant concentration
(MSCCs) levels. Chromium was detected in soil samples collected from the former used oil and
o/w separator area at concentrations above the associated soil -to -water MSCC.
The intent of the installation of a recovery well was to provide an extraction point for a future
Aggressive Fluid/Vapor Recovery (AFVR) event. Recovery well RW-1 was installed in the
vicinity of monitoring well MW-1, located in the former heating oil UST area. LNAPL was not
measured initially upon installation of recovery well RW-1.

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NCDEQ
January 11, 2019
Page 4
The results of the November 2010 soil assessment, recovery well installation, and well
improvement activities are documented in the April 5, 2011 Additional Site Assessment Report,
prepared by AECOM.
February 2011
Following installation of recovery well RW-1, AECOM mobilized to the site on February 9,
2011 for implementation of an AFVR event to aid in mass removal of LNAPL and petroleum -
affected soils associated with the former fuel oil UST area. The AFVR was conducted
simultaneously at monitoring well MW-1 and recovery well RW-1 for a total of 8 hours to
remove groundwater and soil vapors from the subsurface. The AFVR event removed a total of
397 gallons of LNAPL/groundwater. The results of the February 2011 AFVR event are
documented in the April 5, 2011 Additional Site Assessment Report, prepared by AECOM.
September 2012
In accordance with the recommendations provided by AECOM in the April 5, 2011 Additional
Site Assessment Report, an additional groundwater monitoring event was conducted in
September 2012 for the site. All site monitoring wells were sampled for the established
constituents of concern (COCs) associated with the site. The details of these activities were
provided to NCDEQ in the May 21, 2013 Additional Site Assessment Report, prepared by
AECOM. As discussed in the May 21, 2013 report, COCs were detected in some of the
monitoring wells above their associated groundwater and/or surface water standards.
In addition to summarizing the details of the September 2012 groundwater monitoring event, the
May 21, 2013 report included an update to the Limited Site Assessment (LSA) forms to satisfy
the requirements of the NCDEQ UST Guidelines for Assessment and Corrective Action, dated
October 1, 2012. On April 28, 2011, AECOM received email correspondence from Mr. Brett
Morris of the NCDEQ UST Section requesting that a Risk Classification and Land Use
Classification form, outlined in the LSA Guidelines within the NCDEQ UST Section, be
completed. This was requested by Mr. Morris, as the age of the site pre -dates the LSA
requirements. Based on the Risk Classification and Land Use Classification form, it was
determined that the site should remain Intermediate Risk due to the presence of surface water
within 500-feet of the former USTs. In addition, AECOM recommended that the site should
have a land use classification of Industrial/Commercial.
February 2013
In accordance with the recommendations provided by AECOM in the April 5, 2011 Additional
Site Assessment Report, an additional AFVR event was conducted onsite to continue with mass
removal of COCs. On February 27, 2013, the AFVR was conducted simultaneously at
monitoring well MW-1 and recovery well RW-1 for a total of 8 hours to remove groundwater

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NCDEQ
January 11, 2019
Page 5
and soil vapors from the subsurface. The AFVR event removed a total of 303 gallons of
LNAPL/groundwater. The results of the February 2013 AFVR event are documented in the May
21, 2013 Additional Site Assessment Report, prepared by AECOM. Based on the minimized
detection of measurable free product in recovery well RW-1, AECOM recommended the
implementation of a free product recovery program for the site, which would include passive
methods, such as the use of absorbent socks.
August 2013
In accordance with the recommendations provided by AECOM in the May 21, 2013 Additional
Site Assessment Report, an additional groundwater monitoring and free product recovery event
was conducted for the site. On August 1, 2013, AECOM conducted groundwater sampling
activities at the site. All site monitoring wells were sampled for the established COCs associated
with the site. Additionally, absorbent socks were installed in monitoring well RW-1 as a passive
means of free product recovery. The details of these activities were provided to NCDEQ in the
November 13, 2013 Groundwater Monitoring and Free Product Recovery Report, prepared by
AECOM. As discussed in the November 13, 2013 report, COCs were detected in some of the
monitoring wells above their associated NC 2Ls.
September 2013 and March 2014 — LNAPL Measurement/Recovery
In accordance with the recommendations provided by AECOM in the May 21, 2013 Additional
Site Assessment Report, a semi-annual free product monitoring and recovery program was
initiated. On September 4, 2013 AECOM conducted the first LNAPL gauging event.
Monitoring wells MW-1, MW-2, MW-3, MW-4, and, recovery well RW-1 were gauged for
depth to LNAPL and depth to groundwater. During the September 4, 2013 LNAPL gauging
event, recovery well RW-1 was recorded as having an apparent free product thickness of 0.04
feet. Subsequently, two absorbent socks were placed in recovery well RW-1 to passively recover
LNAPL within the well. On March 7, 2014, AECOM conducted the second LNAPL gauging
event. LNAPL was not detected in any site monitoring or recovery wells gauged during this event
using the oil/water interface probe. However, AECOM replaced the pair of absorbent socks in
recovery well RW-1.
September 2013 — Background Soil Sampling
In accordance with the recommendations provided by AECOM in the November 13, 2013
Groundwater Monitoring and Free Product Recovery Report, AECOM conducted background
soil assessment activities onsite to determine whether or not chromium occurs naturally at the
site. On September 12, 2013, AECOM collected soil samples for analysis of chromium from
five locations onsite of which has no reported historical site operations or fuel storage.
Analytical results indicated a relatively even distribution of chromium across the site at
concentrations above the associated Soil -to -Water MSCC. Thus, AECOM and Kloeckner were

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NCDEQ
January 11, 2019
Page 6
able to conclude that chromium is naturally occurring onsite and recommended that chromium be
removed from the list of site COCs.
September 2014
In accordance with the recommendations provided by AECOM in the May 21, 2013 Additional
Site Assessment Report, an additional groundwater monitoring and free product recovery event
was conducted at the site. On September 29, 2014, AECOM conducted groundwater sampling
activities at the site. All site monitoring wells were sampled for the established COCs associated
with the site. The details of these activities were provided to NCDEQ in the January 9, 2015
Groundwater Monitoring and Free Product Recovery Report, prepared by AECOM. As
discussed in the January 9, 2015 report, COCs were detected in some of the monitoring wells
above their associated NC 2Ls.
September 2015
In accordance with the recommendations provided by AECOM in the January 9, 2015
Groundwater Monitoring and Free Product Recovery Report, an additional groundwater
monitoring and free product recovery event was conducted at the site. On September 23, 2015,
AECOM conducted groundwater sampling activities at the site. All site monitoring wells were
sampled for the established COCs associated with the site. The details of these activities were
provided to NCDEQ in the May 3, 2016 Groundwater Monitoring Report, prepared by AECOM.
As discussed in the May 3, 2016 report, COCs were detected in some of the monitoring wells
above their associated NC 2Ls.
September 2016
In accordance with the recommendations provided by AECOM in the May 3, 2016 Groundwater
Monitoring Report, an additional groundwater monitoring event was conducted at the site. On
September 20, 2016, AECOM conducted groundwater sampling activities at the site. Select site
monitoring wells were sampled for the established COCs associated with the site. The details of
these activities were provided to NCDEQ in the January 23, 2017 Groundwater Monitoring
Report, prepared by AECOM. As discussed in the January 23, 2017 report, COCs were detected
in some of the monitoring wells above their associated NC 2Ls.
nrtnhor 7017
In accordance with the recommendations provided by AECOM in the January 23, 2017
Groundwater Monitoring Report, an additional groundwater monitoring event was conducted at
the site. On October 2, 2017, AECOM conducted groundwater sampling activities at the site.
Select site monitoring wells were sampled for the established COCs associated with the site. The
details of these activities were provided to NCDEQ in the January 23, 2017 Groundwater
Monitoring Report, prepared by AECOM. As discussed in the January 23, 2017 report, COCs
were detected in some of the monitoring wells above their associated NC 2Ls.

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NCDEQ
January 11, 2019
Page 7
2.0 SCOPE OF WORK
2.1 Groundwater Monitoring Activities
On October 12, 2018, AECOM conducted groundwater sampling activities at the site. The
details of these activities are provided below.
Groundwater Elevation Data
Water level measurements were collected and documented from all onsite monitoring and
recovery wells prior to purging and sampling on October 12, 2018. An electronic water level
meter/interface probe (meter accuracy of +/-0.01 feet) was used to collect depth -to -water and
depth -to -product measurements from the top of the well casing. The groundwater elevation data
was used to prepare a potentiometric surface contour map of the surficial aquifer which is
presented as Figure 3.
As indicated on Figure 3, surficial groundwater flow is to the southwest toward the tributary of
Stewart Creek, which is located to the west of the site. The approximate hydraulic gradient as
measured from monitoring well MW-4 to MW-2 is 0.015 ft/ft. The October 12, 2018
groundwater gauging data is summarized on Table 1. Monitoring well MW-1 was recorded to
have less than 6-inches of water column, resulting in an insufficient amount of groundwater
available for sample collection, and thus a groundwater sample could not be collected.
Groundwater Sampling Methods and Procedures
AECOM personnel purged each well a minimum of three well volumes, or until no additional
groundwater could be recovered from the monitoring wells. A new, bottom -loading polyethylene
bailer and nylon rope was used to purge each monitoring well. No purging equipment was
allowed to contact the ground or other foreign surfaces prior to sample collection. Purge water
was discharged on the ground around each respective well intended for sampling per NCDEQ
UST guidelines.
Once each well intended for sampling had been purged and allowed sufficient time for aquifer
recharge, AECOM collected a groundwater sample for select laboratory analysis. Select
monitoring wells (MW-2, MW-3, MW-4, and DW-1) and recovery well RW-1 were sampled for
analysis of benzene, toluene, ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether
(MTBE), chlorobenzene, isopropylbenzene, 1,2-dichlorobenzene, 1,3-dichlorobenzene, and 1,4-
dichlorobenzene via SM 6200B, SVOCs via United States Environmental Protection Agency
(EPA) Method 625, Massachusetts Department of Environmental Protection (MADEP)
EPH/VPH, and total/dissolved lead via EPA Method 200.7. A duplicate sample was collected
from DW-1 for quality assurance/quality control. Samples were shipped to Pace Analytical
Services (Pace) in Huntersville, North Carolina in a chilled and properly packed sample cooler

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NCDEQ
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Page 8
for analysis. During sample collection, AECOM recorded water quality parameters pH,
conductivity, temperature, dissolved oxygen, turbidity, and oxidation-reduction potential from
each site well by use of a Yellow Springs Instruments (YSI) PRO+ water quality meter.
Groundwater Sample Analytical Results
Based on the laboratory analytical results provided by Pace, groundwater samples collected from
the locations mentioned above indicated the presence of various COCs in groundwater onsite.
Water quality measurements and groundwater analytical results are summarized on Table 2,
Table 3, and Table 4. A map depicting concentrations of detected COCs in samples collected
from monitoring wells is provided as Figure 4.
Concentrations of VPH (C9-C 10 Aromatics), EPH (C 11-C22 Aromatics) and EPH (C9-C 18
Aliphatics) were detected above their respective NCDEQ NC 213 Surface Water Standard (NC
2B) in samples collected from recovery well RW-1.
Analytical results indicated the presence of isopropylbenzene, naphthalene, phenanthrene, sec-
Butylbenzene and N-Propylbenzene above their associated laboratory method detection limit
(MDL) in the groundwater sample collected from recovery well RW-1, but did not exceed the
associated NC 2L Standard. Lead was detected above the associated laboratory MDL but below
the NCDEQ 2B Standard and 2L Standard in groundwater samples collected from monitoring
well MW-3. No other compounds were detected above their associated NCDEQ 2B Standard or
2L Standard in groundwater samples collected from onsite wells. The analytical laboratory
report associated with the October 12, 2018 groundwater monitoring event is provided as
Appendix A.

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NCDEQ
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3.0 CONCLUSIONS AND RECOMMENDATIONS
Based on the sample results discussed above, EPH and VPH were detected in the groundwater
sample collected from recovery well RW-1 at concentrations above their associated NC 21,
Groundwater Standard. Lead was not detected above its associated NC 2B standard in
groundwater samples collected onsite during the October 2018 event.
Based on the October 2018 groundwater results, AECOM recommends continuing limited
groundwater monitoring at the site. Monitoring wells MW-1, MW-2, MW-3, MW-4, DW-1, and
recovery well RW-1 should continue to be monitored for natural attenuation and samples
collected for analysis of VOCs, MADEP EPH/VPH, SVOCs, and total/dissolved lead. The next
groundwater monitoring event is scheduled for October 2019.
If you have any questions or require additional information please feel free to contact Christopher
Rocco at 704-553-6150 or [e-mail].
Sincerely,
AECOM TECHNICAL SERVICES OF NORTH CAROLINA, INC.
Christopher M. Rocco
Project Manager
Brett G. Schaefer,
Professional Engineer
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TABLES

Table 1
Well Construction Details
and Depth to Water Measurements
October 12, 2018
Kloeckner Metals Facility
624 Black Satchel Drive
Charlotte, North Carolina
Monitoring Well
Identification
Date Installed
TOC Elevation
(ft./msl)
Measured
Total Depth (ft
btoc)
Diameter
(inches)
Screen
length (ft)
Depth to
Product
Measurement
(ft btoc)
Depth to Water
Measurement
(ft btoc)
Groundwater
Elevation
(ft./msl)
MW-1
3/20/1995
765.37
24.20
2
15
23.71
741.66
MW-2
9/12/1995
766.08
38.04
2
15
28.10
737.98
MW-3
9/12/1995
764.67
38.03
2
15
25.46
739.21
MW-4
9/12/1995
764.96
30.49
2
15
25.32
739.64
MW-5
9/13/1995
764.21
40.06
2
15
25.89
738.32
MW-6
9/13/1995
763.88
10.07
2
5
2.31
761.57
MW-7
9/13/1995
764.40
28.69
2
15
19.76
744.64
MW-8
9/13/1995
763.78
35.17
2
15
--
25.89
737.89
DW-1
9/13/1995
765.49
53.7
2
2.5
--
26.75
738.74
RW-1
11/23/2010
765.72
40.00
4
35
26.25
739.47
Notes:
TOC = top -of -casing
-- = Product not detected
ft/msl = feet above mean sea level
btoc = below top of casing

Table 2
Analytical Results - Volatile Organic Compounds, Extractable Petroleum Hydrocarbons (EPH)
and Volatile Petroleum Hydrocarbons (VPH)
October 12, 2018
Kloeckner Metals Facility
624 Black Satchel Drive
Charlotte, North Carolina
NC 2L
Groundwater
Standard*
NC 213 Surface
Water
Standard—
MW-1
MW-2
MW-3
MW-4
MW-5
MW-6
MW-7
MW-8
RW-1
DW-1
DUP-1
Anal to
Volatile Organic Com ounds (SM 620013)
1,2-Dichlorobenzene
20
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
1,3-Dichlorobenzene
200
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
1,4-Dichlorobenzene
6
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzene
1
51"
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Chlorobenzene
50
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Iso ro Ibenzene (Cumene)
70
NSL
NS
ND
ND
ND
NS
NS
NS
NS
1.4
ND
ND
Methyl Tert-but I Ether
20
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Naphthalene
6
NSL
NS
ND
ND
ND
NS
NS
NS
NS
4.6
ND
ND
Toluene
600
11
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Eth Ibenzene
600
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
X Ienes (total)
500
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Volatile Petroleum Hy drocarbons
(MADEP VPH)
VPH (C5-C8 AIi hatics)
400
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
VPH (C9-Cl0 Aromatics)
200
NSL
NS
ND
ND
ND
NS
NS
NS
NS
203
ND
ND
VPH (C9-Cl2 AIi hatics)
700
NSL
NS
ND
ND
ND
NS
NS
NS
NS
340
ND
ND
Extractable Petroleum H drocarbons (MADEP EPH)
EPH (Cl 1-C22 Aromatics)
200
NSL
NS
ND
ND
ND
NS
NS
NS
NS
1,610
ND
ND
EPH (C19-C36 AIi hatics)
10,000
NSL
NS
ND
ND
ND
NS
NS
NS
NS
510
ND
ND
EPH (C9-Cl8 AIi hatics)
700
NSL
NS
ND
ND
ND
NS
NS
NS
NS
3,300
NDJ
ND
Notes:
All Samples reported in micrograms per liter (µg/L)
= Groundwater Quality Standards (15A NCAC 2L Groundwater Standards, updated April 1, 2013)
" = Human Health Surface Water standard for consumption of fish (15A NCAC 213 Surface Water Standard, updated September 22, 2017)
" = Freshwater Aquatic Life Surface Water Standard (15A NCAC 213 Surface Water Standard, updated September 22, 2017)
Bold ISample Result exceeds NC 2L Groundwater Standard
NSL = No Standard Listed
ND = Not detected above associated method detection limit (MDL)
NS = Not Sampled
DUP-1 collected from DW-1
Note: DUP-1 listed in the field notes and on laboratory chain of custody as DW-1 a.

Table 3
Analytical Results - Semi -Volatile Organic Compounds (SVOCs)
Kloeckner Metals Facility
624 Black Satchel Drive
Charlotte, North Carolina
NC 2L
Groundwater
Standard
NC 213 Surface
Water
Standard`
MW-1
MW-2
MW-3
MW-4
MW-5
MW-6
MW-7
MW-8
RW-1
DW-1
DUP-1
Analyte
Polynuclear Aromatic Hydrocarbons (PAHs) (EPA Method 625)
Acenaphthene
80
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Acenaphthylene
200
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Anthracene
2000
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzo(a)anthrace ne
0.05
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzo(a)pyrene
0.005
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzo(b)fluoranthene
0.05
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzo(g,h,i)perylene
200
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Benzo(k)fluoranthene
0.5
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Chrysene
5
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Dibenzo(a,h)anthracene
0.005
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Fluoranthene
300
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Fluorene
300
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Indeno(1,2,3-cd)pyrene
0.05
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
2-Methyl naphthalene
30
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Naphthalene
6
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Phenanthrene
200
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
17.6
ND
Phenol
30
0.0311
NS
NA
NA
NA
NS
NS
NS
NS
NA
NAPyrene
tD
200
0.0311
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
Notes:
All Samples reported in micrograms per liter (µg/L)
= Human Health Surface Water standard for consumption of fish (15A NCAC 2B Surface Water Standard, updated September 22, 2017)
Bold Sample result exceeds associated NC 2B Surface Water Standard
J = Estimated Value
NA = Not analyzed
ND = Not detected above associated method detection limit (MDL)
NS = Not Sampled
DUP-1 collected from DW-1
Note: DUP-1 listed in the field notes and on laboratory chain of custody as DW-1 a.

Table 4
Analytical Results - Metals
and Field Water Quality Parameters
October 12, 2018
Kloeckner Metals Facility
624 Black Satchel Drive
Charlotte, North Carolina
NU 2L
Groundwater
Standard"
NC 2B Surface
Water
Standard"
MW-1
MW-2
MW-3
MW-4
MW-5
MW-6
MW-7
MW-8
RW-1
DW-1
DUP-1
Analyte
Lead (EPA Method 200.7)
Lead - Total (ug/L)
15
25
NS
ND
5.8
ND
NS
NS
NS
NS
ND
ND
5.2
Lead - Dissolved (ug/L)
NSL
NSL
NS
ND
ND
ND
NS
NS
NS
NS
ND
ND
ND
Parameter
Field
-Measured Water Quality Data
pH (s.u.)
6.5-8.5
6-9
NM
6.20
6.70
6.55
NM
NM
NM
NM
6.12
7.17
NM
Conductivity (us/cmz)
NSL
NSL
NM
0.239
0.468
0.58
NM
NM
NM
NM
0.465
0.204
NM
Temperature (°C)
NSL
NSL
NM
20.15
18.96
20.1
NM
NM
NM
NM
18.3
19.8
NM
Turbidity (NTU)
NSL
NSL
NM
34.6
21.4
81
NM
NM
NM
NM
17.9
6.5
NM
Dissolved Oxygen (DO) (mg/L)
NSL
NSL
NM
0.09
1.08
1.61
NM
NM
NM
NM
7.1
5.6
NM
Oxidation -Reduction Potential
(ORP) (mV)
I NSL
NSL
NM
133
1 -74
1 51.52
1 NM
I NM
NM
NM
-73
101
1 NM
Notes:
ND = Not detected above associated method detection limit (MDL)
NS = Not Sampled for referenced analysis
ug/L = micrograms per liter
mg/L = milligrams per liter
NTU = Nephlometric Turbidity Units
s.u. = standard units
us/cm2 = microsiemens per square centmeter
°C = degrees celsius
mV = millivolts
NSL = No standard listed
NM = not measured; insufficient groundwater recovered for field parameter analysis and sample collection.
" = Groundwater Quality Standards (15A NCAC 2L Groundwater Standards, updated April 1, 2013)
" = Human Health Surface Water standard for consumption of fish (15A NCAC 2B Surface Water Standard, updated September 22, 2017)
DUP-1 collected from DW-1
Note: DUP-1 listed in the field notes and on laboratory chain of custody as DW-1 a.

FIGURES

tea-• �.,� � ' � �� �,.. iao C^ - - �:iiiwc rir,E,a+l w � .,? ,w �� ,
•�'�'': � ^r . 'M "4. 'L� _ _ fir;#} 1-, _ � ., i r �r' ^ ., P
,i y t
ad r-
r,: Auea{'R
°� � ��, s _ SST •' <� � :: �: , ' r9 t ��`�t,tsve. •
Nlac'�,teel Xr 1
I-orm r Edg .
Nv T. l."i..�i' 'Pwb
- S OtvJe
T r
0 ,
f ' ForNer
�-- F R
�i -
°ad
9 c"
SHO!
041/
- 0 1000
APPROX. SCALE, ft.
AECOM Technical Services of North Carolina, Inc. Site Location Map
H F
5925 Carnegie Boulevard Suite 370 N Y o
Kloeckner Metals Corporation
Charlotte, NC 28209 Black
`Y
TEL: [phone] B lack Satchel Drive "
FAX [phone] Charlotte, l V C
SHHET
Figure 1

LEGEND LEGEND
Monitoring Well Location Property Boundary
Deep Monitoring Well Location Monitoring Well Location
BDL Below Laboratory Detection Limits
Deep Monitoring Well Location
J Estimate Value BIdCk Satchel Drive Recovery Well Location
ug/l micrograms per liter MW 7 MW-2 Monitoring Well Identification
Red highlighted text indicates concentrations Lead - 5.84 ug/l r - - Potentiometric Surface Contour (ft) - above mean sea level
above 2L Standards. Chromium - 45.9 ug/1 Inferred Groundwater Flow Direction
MW-7 Cyclohexene - 13 JB ug/l
NS Not sampled
NS pH - 6.45
Conductivity - 0.191 us/cm2 LNAPL Light Non -Aqueous Phase Liquid
Temperature - 20.04 °C DMCPS decamethyl Cyclopentasiloxane
p Conductivity - 167 us/cm2 Turbidity - >999 NYU _ DGD Diethylene glycol dibenzoate
Temperature - 22.90 °C ORP - 98 mV r E-11 E-11-Hexadecen-l-ol
Turbidity - 983 NTU TP Triphenyl Phosphate
ORP - 28 mV BLDG. ORP Oxidation -Reduction Potential
ug/l micrograms per liter
MW-6 us/cm2 microsiemens per square centimeter
Lead - 0.00252J mg/l °C degrees Celsius
Ammonia - 0.21mg/l NTU Nephlometric Turbidity Units
Phosphorus - 0.28 mg/l mV millivolts
Carbon Dioxide - 143 m /1
MW-6 Blue text indicates concentrations above NC 2L Groundwter Standard
Chromium - 3.21 ug/l I Red text indicates concentrations above NC 2B Surface Water Standard
Cyclohexene - 19 JB ug/L
pH - 6.25
Conductivity - 0.268 us/cm2 ss
Temperature - 22.19 °C I i
Turbidity- 23, NTU MW-3
ORP-64mV .�, Kloeckner Metals Facility pH-6.75
Conductivity - 462 us/cm2
2 Temperature - 19.27 °C
Conductivity - 232 us/cm I �� EDGECOMB METALS BLDG. Turbidity- 128 NTU
Temperature - 24.54 °C ,� . ORP - 20 12
Turbidity- 27.8 NTU I I�
ORP - 79 mV I DO - 2.71 mg/1
Y I pH-6.63
v I I I Conductivity - 0.454 us/cm2
U I , Temperature - 19.12 °C
I DO - 1.94 mg/1
i MW-3 ORP - 194 mV
ul I w FORMER Lead - 2.72 J ug/l
o ' *k �� 20,000 GAL. UST
_ Chromium - 259 ug /1
Cyclohexene - 14 JB ug/l
1DMCPS - 6.1 JB ug/L MW-1
A1W- PH NS-Dry
7 5 Conductivity - 0.491 us/cm2
84 \ \ 2 Temperature - 20.88 °C SS
NINV-5 Phosphorus - 0.64JD mg/l
S r,Y, \� \ Turbidity- 346 NTU Carbon Dioxide - 307D mg/l
0,0^00 QR UST \ ORP - 139 mV Acenaphthene - 0.017 mg/l
pH - 6.52 M -8' ` \ \ y Acenaphthylene - 0.0044 mg/l
Conductivity - 468 us/cm2 MW-860 I �� \ Fluoranthene - 0.0028 mg/1
Temperature - 22.52 °C 48. \ I Fluorene - 0.013 mg/l
7 6.47. �� \ \\ Naphthalene - 0.015 mg/l
MW-5 �� �� Phenanthrene - 0.066 mg/1
Lead - 17.8 ug/l I 9NN MW-4
Chromium - 130 ug/l �� \ NS - Dry pH - 6.67 2
C9-C 10 Aromatics - 3.0 J ug/l \ \\\� I Conductivity - 517 us/cm
Cyclohexene - 14 JB ug/l \ \
MW-4
Conductivity - 0.532 us/cm2 - \ \ \ I Lead - 8.66J ugA
CoRMER # l! IL Chromium - 615 ug/1
Temperature - 20.70 °C \� W- US AR Cyclohexene - 13 JB u
�
Turbidity - >999 NTU � I
ORP - Turbidity
m\ \ \ M�jW- Phenol - 2.7 J ug/1 / hSPHA1�T4.0. 1 741 ug/1
PH - 6.68
M'VN'�40 Conductivity - 0.579 us/cm2
4� 1. Temperature - 20.25 °C
MW-8 \ �) Former #1 Fu 01 Turbidity - 200 NTU
Lead - 9.73 J ug/l O ORP - 136 mV
Chromium - 51.9 ug/l \ UST 2a RW-1
Cyclohexene - 11 JB ug/l Benzene- 0.52 ug/l
PH - 6.36 \ W �73 \ Isopropylbenzene - 3.4 ug/l
Conductivity - 0.430 us/cm2 7 OHM 01 R MTBE - 4.7 ug/l
Temperature - 19.64 °C 1 SEiROKA DR AN D Naphthalene - 10.4 ug/l
Turbidity - >999 NTU 7 QIL UST EA Phenanthrene - 6.8 mg/l
ORP - 61 mV MDI S T21JST REA VPH (C9-C10 Aromatics) - 111 ug/l
titer =
VPH (C9-C 12 Aromstics) - 256 ug/l
:SEND: Form r Diesel UST Are EPH (C11-C22 Aromatics) - 2,690 ug/l
Engineer/ g Geo! Use H (C19-C36Ali hatics - 331 u /1
TYPE II MONITORING WELL 5100 North 1.8 , Sulk 7A, Cha&IQ SIT Affsa, Ph# 704-5917-1 P RW-1
I TYPE III MONITORING WELL FIGURE : SI E MAP Acena NS - LNAPL
0 50 1 . FT. EDGC0 ME ALS COMPANY Anthra
624 BLA K SA CHEL DRIVE 2-Methylnaphthalene - 7.3 ug/1
CHARLO E. pH - 6.48
I APPROXI ES ALE WO #20 -093 DATE: 1/22/02 Conductivity- 842 us/cm2
Temperature - 19.57 °C
DWG #E 0093E DRAWN BY. JCJ Turbidity- 30.1 NTU
DW-1 MW-2 MW-2 ORP - (-) 32 mV
LEGEND Lead - 7.84 J ug/1 pH - 6.21 Chromium - 5.87 J ug/l DO - 1.09 mg/l
Chromium - 621 ug/1 Conductivity - 240 us Cyclohexene - 13 JB ug/l
Property Boundary Cyclohexene - 12 JB ug/l Temperature - 19.19 ° PH - 6.22
DMCPS - 7.3 JB ug/1 Turbidity - 15.1 NTU Conductivity - 0.373 us/cm2 �...,
Monitoring Well Location DGD - 11 J ug/1 ORP - 78 mV Temperature - 18.90 °C
E-11 - 7.5 J ug/1 DO - 1.40 mg/1 Turbidity - 147 NTU
Deep Monitoring Well Location Phenol - 3.8 J ug/1 ORP - 9 mV
Recovery Well Location TP - 15 J ug/1
PH - 7.10
MW_2 Monitoring Well Identification and Conductivity - 0..445 us/cm2
737.43 Groundwater Elevation (ft) - above mean sea level Temperature - 20.83 °C
- - Potentiometric Surface Contour (ft) - above mean s Turbidity - >999 NTU
ORP - 106 mV
Inferred Groundwater Flow Direction 0 100
* - Anomalous groundwater elevation; not included in contour.
APPROX. SCALE, ft.
y DRAWN BY: P
LA^YWYl �� J Y
AECOM Technical Services of North Carolina, Inc.
CHECKED BY 5925 Carnegie Boulevard Suite 370 aest r eeomb
Charlotte, NC 28209
Cp4 TEL: [phone] SiF111
PROJECT NO.: FAX [phone]
� ���� Car 0 Ina

M W-7
NS
�. •
-
LEGEND
Property Boundary
Monitoring Well Location
Deep Monitoring Well Location
Recovery Well Location
Black Satchel Drive
Note:
a
MTBE Methyl Tert-butyl ether
NS Not sampled
ORP Oxidation -Reduction Potential
DO Dissolved Oxygen
ug/L micrograms per liter
us/cm2 microsiemens per square centimeter
mg/L milligrams per liter
0C degrees Celsius
'
NTU Nephlometric Turbidity Units
mV millivolts
BLDG.
J Estimated Value
MW-6 MW-3
NS i Kloeckner Metals Facility Lead (Total)-8.2ug/L
pH - 6.61
Conductivity - 728.7 us/cm2
` { EDGECOMB METALS BLDG. Temperature - 21.90 °C
r Turbidity- 262.5 NTU
ORP - 44.7 mV
' I DO - I mg/L
Y
N
V j ti
I +�
in M - w .64ORMER
761. * 1 Z 20,000 GAL. UST
0
> -5 r - W-7
38 - I uj MW-1
NS - Dry
GRASS
NINV-5
NS orm r
O,OOaI` T
' �7 7.89 I
•`GRASS . .i.
I MW-4
pH - 6.53
Conductivity - 456.8 us/cm2
Temperature - 21.80 °C
' N Turbidity - 48.92 NTU
` ........
*N. RMER #2 FU IL ORP - 220.5 mV
` UST AREA DO - 3.97 mg/L
739.21 M 1 739 �4 � AL` $PH14'� "�
� � I MW-4
s _j Mw-i
MW-8 ` �
M ��{ ` 8.74) Former #. Fu Oil
O
1b9�Q/- �73Zj UST rea RW-1
737 1 Benzene- 0.59 ug/L
• _ _ Isopropylbenzene - 3.4 ug/L
N1 -2 FO TER MTBE - 1.7 ug/L
' 1 ` %4-SEP AN SED Naphthalene - 13.9 ug/L
�! 'a T UST EA VPH (C9-C10 Aromatics) - 286 ug/L
VPH (C9-C12 Aromatics) - 196 ug/L
VVCILU
,r-�_ FORMER DWIL LIST AREA
r EPH (Cl1-C22 Aromatics) - 1,380 ug/L
Form r DleSel UST Are EPH (C19-C36 Aliphatics) - 159 ug/L
• Engineer/ g & Geol i `UseCb EPH (C9-C18 Aliphatics) - 479 ug/L
0NITORING WELL 5100 North I-e , Suite 7A, Ch IIQSIT kffw3K, Phi Acenaphthene - 6.0 ug/L
IVIONITORING WELL FIGURE : SITE MAP APPR Anthracene- 1.1 Jug/L
0 50 100 FT. EDGCO METALS COMPANY 2-Methylnaphthalene - 21.2 ug/L
Phenanthrene - 11.6 mg/L
pH - 6.48
IURSCORPORATION-NORTHCAROLINA Conductivity - 873.0 us/cm2
TWO SOUTH EXECUTIVE PARK Temperature - 22.90 oC
• 6135 PARK SOUTH DRIVE, SUITE 300 1r
• CHARLOTTE, NC28210 Turbidity - 86.53 NTU
TEL: ]04 522-0330
'
DW-1 MW-2
ORP - 82.5 mV
pH - 6.18 Lead (Total) - 4.5 J ug/L DO - 1.50 mg/1
Conductivity - 361.6 us/cm2 pH - 5.99
/ Temperature - 23.00 °C Conductivity - 238.6 us/cm2
Turbidity - 32.39 NTU Temperature - 22.90 °C
ORP - 61.8 mV Turbidity - 198.3 NTU
' DO - 2.70 mg/l - ORP - 191.4 mV ,
DO - 2.22 mg/L
I
0 100
• t i APPROX. SCALE, ft.
x DRAWN BY:
y - 12/1a/�e 17 AECOM Technical Services of North Carolina, Inc. (yam Analyftdbi inui]�tlin�yS& feul�d1 nknlQ y Map
5925 Carnegie Boulevard Suite 370 ti& �j 2YYllp
CHECKED BY: Charlotte, NC 28209
0 tMA J0/10/2017 _ TEL: [phone] Kloeckner Metals Facility
PROJECT NO, PCOM FAX[phone] Black Satchel Drive
60396412 Charlotte, North Carolina

LEGEND
Monitoring Well Location
Deep Monitoring Well Location
BDL Below Laboratory Detection Limits
J Estimate Value
ug/l micrograms per liter
Red highlighted text indicates concentrations
above 2L Standards.
MW-7
NS,, �..... r-• s
LEGEND
Property Boundary
Monitoring Well Location
Deep Monitoring Well Location
Recovery Well Location
Black Satchel Drive
Note:
a
MTBE Methyl Tert-butyl ether
NS Not sampled
ORP Oxidation -Reduction Potential
DO Dissolved Oxygen
ug/L micrograms per liter
us/cm2 microsiemens per square centimeter
mg/L milligrams per liter
0C degrees Celsius
NTU Nephlometric Turbidity Units
mV millivolts
BLDG.
J Estimated Value
MW-6 MW-3
NS i Kloeckner Metals Facility Lead (Total)-5.8ug/L
pH - 6.70
Conductivity - 0.468 us/cm2
` { EDGECOMB METALS BLDG. Temperature - 18.96 °C
r Turbidity- 21.4 NTU
ORP - -74 mV
' I DO - L mg/L
4
n1w-5
w f7tMER
I 760 -6 I z 20,000 GAL. UST
r — W W-7
Q, 7 _ 1 � MW-1
V -5 I NS - Dry
-5
0>:1Ass �
orm r
0,000 al UST
. MW-a
r
r= MW-8
7 6.79
GRASS MW-41
I ` pH - 6.55
` Conductivity - 0.58 us/cm2
Temperature - 20.1 °C
I ` Turbidity - 81 NTU
RMER #2 FU IL ORP - 51.52 mV
ST AREA DO - 1.61 mg/L
♦ 73 8.. 1.58* 739.
A,; xP LT, 1-P6W-4 -
I MW-4
_ MW-1 II
MW_8 ` ♦ 8.95)h�po Former #.2 Fu Oil
` 7_X UST Area
1 RW-1
M 2 ` FO TER Isopropylbenzene - 1.4 ug/L
' 1 ARA DR AN SED Naphthalene - 4.6 ug/L
�! 'a LUST EA VPH (C9-C10 Aromatics) - 203 ug/L
FORMER DI EL LIST AREA VPH (C9-C12 Aromstics) - 340 ug/L
EPH (Cl 1-C22 Aromatics) - 1,610 ug/L
Form r Diesel UST Are ater =-
EPH (C19-C36 Aliphatics) - 510 ug/L
Engineer/ g & Geo! `UsedO EPH (C9-Cl8 Aliphatics) - 3,300 ug/L
ONITORING WELL 5100 North I.8 , Suite 7A, tJ� ir�,l�l�>91A1�5, Phi Phenanthrene - 17.6 ug/L
IVIONITORING WELL FIGURE : SITE MAP APPR pH-6.12
0 50 100 FT. EDGCO METALS COMPANY Conductivity - 0.465 us/cm2
Temperature - 18.3 'C
I Turbidity - 17.9 NTU
URS CORPORATION -NORTH CAROLINA ORP - -73 mV
TWO SOUTH EXECUTIVE PARK DO - 7.1 mg/1
6135 PARK SOUTH DRIVE, SUITE 300 E
CHARLOTTE, NC 28210
TEL: ]04 522-0330
' DW-1 MW-2 SHEET
pH-7.17 pH-6.20 F1gUTe
Conductivity - 0.204 us/cm2 Conductivity - 0.239 us/cm2
/ Temperature - 19.8 °C Temperature - 20.15 °C
Turbidity - 6.5 NTU Turbidity - 34.6 NTU
ORP - 101 mV ORP - 133 mV
DO - 5.6 mg/l DO - 0.09 mg/L ,
I
0 100
APPROX. SCALE, ft.
x DRAWN BY:
y REl312YlAYYR0l7 AECOM Technical Services of North Carolina, Inc.
]C
Analyth'��1�t£64lli�rd0dy4�a> en�10Y1(yYp ll� y Map
5925 Carnegie Boulevard Suite 370 (y�,,l � Mp
CHECKED BY: Charlotte, NC 25209
N CARP
t J PROJECT NO, =COM FAX[phone] Black Satchel Drive
60396412 Charlotte, North Carolina

APPENDIX A
Laboratory Analytical Report

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
October 25, 2018
Robert Brookshire
AECOM
5925 Carnegie Blvd
Suite 370
Charlotte, NC 28209
RE: Project: Kloekner Metals
Pace Project No.: 92403336
Dear Robert Brookshire:
Enclosed are the analytical results for sample(s) received by the laboratory on October 12, 2018.
The results relate only to the samples included in this report. Results reported herein conform to the
most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual,
where applicable, unless otherwise noted in the body of the report.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
��i Flo _ _.1I , .�:
Nicole Gasiorowski
[e-mail]
[phone]
Project Manager
Enclosures
cc: NC Chemists, AECOM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 44

acmnalytical
www.pacelabs.com
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Project: Kloekner Metals
Pace Project No.: 92403336
Charlotte Certification IDs
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
Asheville Certification IDS
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
Massachusetts Certification #: M-NC030
North Carolina Drinking Water Certification #: 37712
CERTIFICATIONS
South Carolina Certification #: 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Virginia/VELAP Certification #: 460221
North Carolina Wastewater Certification #: 40
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 2 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Project:
Pace Project No.:
Kloekner Metals
92403336
Analytes
Lab ID
Sample ID
Method
Analysts
Reported
Laboratory
92403336001
MW-2
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
20
PASI-C
SM 6200B
GAW
63
PASI-C
92403336002
MW-3
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
20
PASI-C
SM 6200B
GAW
63
PASI-C
92403336003
MW-4
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
20
PASI-C
SM 6200B
GAW
63
PASI-C
92403336004
RW-1
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
20
PASI-C
SM 6200B
CL
63
PASI-C
92403336005
DW-1
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
23
PASI-C
SM 6200B
GAW
63
PASI-C
92403336006
DW-1-a
MADEP EPH
SEM
7
PASI-C
MADEP VPH
CL
6
PASI-C
EPA 6010D
SH1
1
PASI-A
EPA 6010D
IDS
1
PASI-A
EPA 625.1
PKS
20
PASI-C
SM 6200B
GAW
63
PASI-C
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 3 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-2 Lab ID: 92403336001 Collected: 10/12/18 12:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water Analytical Method: MADEP EPH Preparation Method: MADEP EPH
Aliphatic (C09-C18)
ND
ug/L
101
1
10/16/18 08:24
10/22/18 09:41
N2
Aliphatic (C19-C36)
ND
ug/L
101
1
10/16/18 08:24
10/22/18 09:41
N2
Aromatic (C11-C22)
ND
ug/L
101
1
10/16/18 08:24
10/22/18 09:41
N2
Surrogates
Nonatriacontane (S)
80
%
40-140
1
10/16/18 08:24
10/22/18 09:41
7194-86-7
o-Terphenyl (S)
60
%
40-140
1
10/16/18 08:24
10/22/18 09:41
84-15-1
2-Fluorobiphenyl (S)
79
%
40-140
1
10/16/18 08:24
10/22/18 09:41
321-60-8
2-Bromonaphthalene (S)
82
%
40-140
1
10/16/18 08:24
10/22/18 09:41
580-13-2
VPH NC Water
Analytical Method: MADEP VPH
Aliphatic (C05-008)
ND
ug/L
50.0
1
10/19/18 20:37
N2
Aliphatic (C09-C12)
ND
ug/L
50.0
1
10/19/18 20:37
N2
Aliphatic(C09-C12) Adjusted
ND
ug/L
50.0
1
10/19/18 20:37
N2
Aromatic (C09-C10)
ND
ug/L
50.0
1
10/19/18 20:37
N2
Surrogates
4-Bromofluorobenzene (FID) (S)
95
%
70-130
1
10/19/18 20:37
460-00-4
4-Bromofluorobenzene (PID) (S)
97
%
70-130
1
10/19/18 20:37
460-00-4
6010 MET ICP
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
Lead
ND
ug/L
5.0
1
10/13/1813:45
10/14/1818:03
7439-92-1
6010 MET ICP, Lab Filtered
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
Lead, Dissolved
ND
ug/L
5.0
1
10/16/18 12:56
10/16/18 18:02
7439-92-1
P4
625 MSSV
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
Acenaphthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
83-32-9
Acenaphthylene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
208-96-8
Anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
120-12-7
Benzo(a)anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
56-55-3
Benzo(a)pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
50-32-8
Benzo(b)fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
205-99-2
Benzo(g,h,i)perylene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
191-24-2
Benzo(k)fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
207-08-9
Chrysene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
218-01-9
Dibenz(a,h)anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
53-70-3
Fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
206-44-0
Fluorene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
86-73-7
Indeno(1,2,3-cd)pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
193-39-5
2-Methylnaphthalene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
91-57-6
Naphthalene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
91-20-3
Phenanthrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
85-01-8
Pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 16:39
129-00-0
Surrogates
Nitrobenzene-d5 (S)
64
%
10-120
1
10/15/18 08:36
10/16/18 16:39
4165-60-0
2-Fluorobiphenyl (S)
62
%
15-120
1
10/15/18 08:36
10/16/18 16:39
321-60-8
Terphenyl-d14 (S)
63
%
11-131
1
10/15/18 08:36
10/16/18 16:39
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except
in full,
Date: 10/25/2018 05:06 PM
without
the written consent of
Pace Analytical Services,
LLC.
Page 4 of 44

aceAnalytical
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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-2 Lab ID: 92403336001 Collected: 10/12/18 12:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV Analytical Method: SM 6200B
Benzene
ND
ug/L
0.50
1
10/17/18 18:56
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/17/18 18:56
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/17/18 18:56
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/17/18 18:56
75-27-4
Bromoform
ND
ug/L
0.50
1
10/17/18 18:56
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/17/18 18:56
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/17/18 18:56
104-51-8
sec-Butylbenzene
ND
ug/L
0.50
1
10/17/18 18:56
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/17/18 18:56
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/17/18 18:56
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/17/18 18:56
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/17/18 18:56
75-00-3
Chloroform
ND
ug/L
0.50
1
10/17/18 18:56
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/17/18 18:56
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 18:56
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 18:56
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/17/18 18:56
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/17/18 18:56
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/17/18 18:56
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/17/18 18:56
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 18:56
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 18:56
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 18:56
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/17/18 18:56
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/17/18 18:56
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/17/18 18:56
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/17/18 18:56
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 18:56
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 18:56
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 18:56
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/17/18 18:56
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 18:56
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/17/18 18:56
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 18:56
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 18:56
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/17/18 18:56
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/17/18 18:56
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/17/18 18:56
87-68-3
Isopropylbenzene (Cumene)
ND
ug/L
0.50
1
10/17/18 18:56
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/17/18 18:56
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/17/18 18:56
1634-04-4
Naphthalene
ND
ug/L
2.0
1
10/17/18 18:56
91-20-3
n-Propylbenzene
ND
ug/L
0.50
1
10/17/18 18:56
103-65-1
Styrene
ND
ug/L
0.50
1
10/17/18 18:56
100-42-5
1,1,1,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 18:56
630-20-6
1,1,2,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 18:56
79-34-5
Tetrachloroethene
ND
ug/L
0.50
1
10/17/18 18:56
127-18-4
REPORT OF LABORATORY
ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM
without
the written consent
of Pace Analytical Services, LLC.
Page 5 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-2 Lab ID: 92403336001 Collected: 10/12/18 12:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
93 %
96 %
101 %
0.50
1
10/17/18 18:56
108-88-3
2.0
1
10/17/18 18:56
87-61-6
2.0
1
10/17/18 18:56
120-82-1
0.50
1
10/17/18 18:56
71-55-6
0.50
1
10/17/18 18:56
79-00-5
0.50
1
10/17/18 18:56
79-01-6
1.0
1
10/17/18 18:56
75-69-4
0.50
1
10/17/18 18:56
96-18-4
0.50
1
10/17/18 18:56
95-63-6
0.50
1
10/17/18 18:56
108-67-8
1.0
1
10/17/18 18:56
75-01-4
1.0
1
10/17/18 18:56
179601-23-1
0.50
1
10/17/18 18:56
95-47-6
70-130
1
10/17/18 18:56
17060-07-0
70-130
1
10/17/18 18:56
460-00-4
70-130
1
10/17/18 18:56
2037-26-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 6 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-3 Lab ID: 92403336002 Collected: 10/12/18 15:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water Analytical Method: MADEP EPH Preparation Method: MADEP EPH
Aliphatic (C09-C18)
ND
ug/L
208
1
10/16/18 08:24
10/22/18 10:08
N2
Aliphatic (C19-C36)
ND
ug/L
208
1
10/16/18 08:24
10/22/18 10:08
N2
Aromatic (C11-C22)
ND
ug/L
208
1
10/16/18 08:24
10/22/18 10:08
N2
Surrogates
Nonatriacontane (S)
100
%
40-140
1
10/16/18 08:24
10/22/18 10:08
7194-86-7
o-Terphenyl (S)
83
%
40-140
1
10/16/18 08:24
10/22/18 10:08
84-15-1
2-Fluorobiphenyl (S)
154
%
40-140
1
10/16/18 08:24
10/22/18 10:08
321-60-8
S3
2-Bromonaphthalene (S)
164
%
40-140
1
10/16/18 08:24
10/22/18 10:08
580-13-2
S3
VPH NC Water
Analytical Method: MADEP VPH
Aliphatic (C05-008)
ND
ug/L
50.0
1
10/19/18 21:07
N2
Aliphatic (C09-C12)
ND
ug/L
50.0
1
10/19/18 21:07
N2
Aliphatic(C09-C12) Adjusted
ND
ug/L
50.0
1
10/19/18 21:07
N2
Aromatic (C09-C10)
ND
ug/L
50.0
1
10/19/18 21:07
N2
Surrogates
4-Bromofluorobenzene (FID) (S)
95
%
70-130
1
10/19/18 21:07
460-00-4
4-Bromofluorobenzene (PID) (S)
96
%
70-130
1
10/19/18 21:07
460-00-4
6010 MET ICP
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
Lead
5.8
ug/L
5.0
1
10/13/1813:45
10/14/1818:18
7439-92-1
6010 MET ICP, Lab Filtered
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
Lead, Dissolved
ND
ug/L
5.0
1
10/16/18 12:56
10/16/18 18:14
7439-92-1
P4
625 MSSV
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
Acenaphthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
83-32-9
Acenaphthylene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
208-96-8
Anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
120-12-7
Benzo(a)anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
56-55-3
Benzo(a)pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
50-32-8
Benzo(b)fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
205-99-2
Benzo(g,h,i)perylene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
191-24-2
Benzo(k)fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
207-08-9
Chrysene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
218-01-9
Dibenz(a,h)anthracene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
53-70-3
Fluoranthene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
206-44-0
Fluorene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
86-73-7
Indeno(1,2,3-cd)pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
193-39-5
2-Methylnaphthalene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
91-57-6
Naphthalene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
91-20-3
Phenanthrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
85-01-8
Pyrene
ND
ug/L
4.7
1
10/15/18 08:36
10/16/18 17:10
129-00-0
Surrogates
Nitrobenzene-d5 (S)
47
%
10-120
1
10/15/18 08:36
10/16/18 17:10
4165-60-0
2-Fluorobiphenyl (S)
46
%
15-120
1
10/15/18 08:36
10/16/18 17:10
321-60-8
Terphenyl-d14 (S)
65
%
11-131
1
10/15/18 08:36
10/16/18 17:10
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except
in full,
Date: 10/25/2018 05:06 PM
without
the written consent of
Pace Analytical Services,
LLC.
Page 7 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-3 Lab ID: 92403336002 Collected: 10/12/18 15:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV Analytical Method: SM 6200B
Benzene
ND
ug/L
0.50
1
10/17/18 19:12
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/17/18 19:12
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/17/18 19:12
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/17/18 19:12
75-27-4
Bromoform
ND
ug/L
0.50
1
10/17/18 19:12
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/17/18 19:12
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:12
104-51-8
sec-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:12
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/17/18 19:12
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/17/18 19:12
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/17/18 19:12
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/17/18 19:12
75-00-3
Chloroform
ND
ug/L
0.50
1
10/17/18 19:12
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/17/18 19:12
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:12
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:12
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/17/18 19:12
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/17/18 19:12
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/17/18 19:12
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/17/18 19:12
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:12
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:12
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:12
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/17/18 19:12
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:12
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:12
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:12
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:12
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:12
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:12
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:12
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:12
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:12
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:12
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:12
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/17/18 19:12
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/17/18 19:12
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/17/18 19:12
87-68-3
Isopropylbenzene (Cumene)
ND
ug/L
0.50
1
10/17/18 19:12
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/17/18 19:12
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/17/18 19:12
1634-04-4
Naphthalene
ND
ug/L
2.0
1
10/17/18 19:12
91-20-3
n-Propylbenzene
ND
ug/L
0.50
1
10/17/18 19:12
103-65-1
Styrene
ND
ug/L
0.50
1
10/17/18 19:12
100-42-5
1,1,1,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 19:12
630-20-6
1,1,2,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 19:12
79-34-5
Tetrachloroethene
ND
ug/L
0.50
1
10/17/18 19:12
127-18-4
REPORT OF LABORATORY
ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM
without
the written consent
of Pace Analytical Services, LLC.
Page 8 of 44

aceAnalytical
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Pace Analytical Services, LLC
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Huntersville, NC 28078
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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-3 Lab ID: 92403336002 Collected: 10/12/18 15:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
94 %
95 %
99 %
0.50
1
10/17/18 19:12
108-88-3
2.0
1
10/17/18 19:12
87-61-6
2.0
1
10/17/18 19:12
120-82-1
0.50
1
10/17/18 19:12
71-55-6
0.50
1
10/17/18 19:12
79-00-5
0.50
1
10/17/18 19:12
79-01-6
1.0
1
10/17/18 19:12
75-69-4
0.50
1
10/17/18 19:12
96-18-4
0.50
1
10/17/18 19:12
95-63-6
0.50
1
10/17/18 19:12
108-67-8
1.0
1
10/17/18 19:12
75-01-4
1.0
1
10/17/18 19:12
179601-23-1
0.50
1
10/17/18 19:12
95-47-6
70-130
1
10/17/18 19:12
17060-07-0
70-130
1
10/17/18 19:12
460-00-4
70-130
1
10/17/18 19:12
2037-26-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 9 of 44

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Pace Analytical Services, LLC
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Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-4 Lab ID: 92403336003 Collected: 10/12/18 15:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water
Aliphatic (C09-C18)
Aliphatic (C19-C36)
Aromatic (C11-C22)
Surrogates
Nonatriacontane (S)
o-Terphenyl(S)
2-Fluorobiphenyl (S)
2-Bromonaphthalene (S)
VPH NC Water
Aliphatic (C05-008)
Aliphatic (C09-C12)
Aliphatic(C09-C12) Adjusted
Aromatic (C09-C10)
Surrogates
4-Bromofluorobenzene (FID) (S)
4-Bromofluorobenzene (PID) (S)
6010 MET ICP
Lead
6010 MET ICP, Lab Filtered
Lead, Dissolved
625 MSSV
Acenaphthene
Acenaphthylene
Anthracene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Chrysene
Dibenz(a,h)anthracene
Fluoranthene
Fluorene
Indeno(1,2,3-cd)pyrene
2-Methylnaphthalene
Naphthalene
Phenanthrene
Pyrene
Surrogates
Nitrobenzene-d5 (S)
2-Fluorobiphenyl (S)
Terphenyl-d14 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: MADEP EPH Preparation Method: MADEP EPH
ND
ug/L
94.3
1
10/16/18 08:24
10/22/18 10:35
N2
ND
ug/L
94.3
1
10/16/18 08:24
10/22/18 10:35
N2
ND
ug/L
94.3
1
10/16/18 08:24
10/22/18 10:35
N2
46
%
40-140
1
10/16/18 08:24
10/22/18 10:35
7194-86-7
28
%
40-140
1
10/16/18 08:24
10/22/18 10:35
84-15-1
P2,S0
55
%
40-140
1
10/16/18 08:24
10/22/18 10:35
321-60-8
58
%
40-140
1
10/16/18 08:24
10/22/18 10:35
580-13-2
Analytical Method: MADEP VPH
ND
ug/L
50.0
1
10/19/18 21:36
N2
ND
ug/L
50.0
1
10/19/18 21:36
N2
ND
ug/L
50.0
1
10/19/18 21:36
N2
ND
ug/L
50.0
1
10/19/18 21:36
N2
95
%
70-130
1
10/19/18 21:36
460-00-4
97
%
70-130
1
10/19/18 21:36
460-00-4
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/13/1813:45
10/14/1818:22
7439-92-1
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/16/1812:56
10/16/1818:17
7439-92-1
P4
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
83-32-9
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
208-96-8
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
120-12-7
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
56-55-3
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
50-32-8
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
205-99-2
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
191-24-2
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
207-08-9
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
218-01-9
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
53-70-3
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
206-44-0
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
86-73-7
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
193-39-5
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
91-57-6
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
91-20-3
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
85-01-8
ND
ug/L
13.9
1
10/15/18 08:36
10/16/18 17:42
129-00-0
78
%
10-120
1
10/15/18 08:36
10/16/18 17:42
4165-60-0
78
%
15-120
1
10/15/18 08:36
10/16/18 17:42
321-60-8
94
%
11-131
1
10/15/18 08:36
10/16/18 17:42
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except
in full,
without
the written consent of
Pace Analytical Services,
LLC.
Page 10 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-4 Lab ID: 92403336003 Collected: 10/12/18 15:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV Analytical Method: SM 6200B
Benzene
ND
ug/L
0.50
1
10/17/18 19:28
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/17/18 19:28
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/17/18 19:28
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/17/18 19:28
75-27-4
Bromoform
ND
ug/L
0.50
1
10/17/18 19:28
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/17/18 19:28
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:28
104-51-8
sec-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:28
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/17/18 19:28
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/17/18 19:28
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/17/18 19:28
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/17/18 19:28
75-00-3
Chloroform
ND
ug/L
0.50
1
10/17/18 19:28
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/17/18 19:28
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:28
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:28
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/17/18 19:28
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/17/18 19:28
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/17/18 19:28
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/17/18 19:28
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:28
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:28
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:28
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/17/18 19:28
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:28
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:28
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:28
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:28
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:28
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:28
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:28
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:28
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:28
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:28
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:28
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/17/18 19:28
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/17/18 19:28
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/17/18 19:28
87-68-3
Isopropylbenzene (Cumene)
ND
ug/L
0.50
1
10/17/18 19:28
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/17/18 19:28
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/17/18 19:28
1634-04-4
Naphthalene
ND
ug/L
2.0
1
10/17/18 19:28
91-20-3
n-Propylbenzene
ND
ug/L
0.50
1
10/17/18 19:28
103-65-1
Styrene
ND
ug/L
0.50
1
10/17/18 19:28
100-42-5
1,1,1,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 19:28
630-20-6
1,1,2,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 19:28
79-34-5
Tetrachloroethene
ND
ug/L
0.50
1
10/17/18 19:28
127-18-4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 11 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: MW-4 Lab ID: 92403336003 Collected: 10/12/18 15:40 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
94 %
95 %
100 %
0.50
1
10/17/18 19:28
108-88-3
2.0
1
10/17/18 19:28
87-61-6
2.0
1
10/17/18 19:28
120-82-1
0.50
1
10/17/18 19:28
71-55-6
0.50
1
10/17/18 19:28
79-00-5
0.50
1
10/17/18 19:28
79-01-6
1.0
1
10/17/18 19:28
75-69-4
0.50
1
10/17/18 19:28
96-18-4
0.50
1
10/17/18 19:28
95-63-6
0.50
1
10/17/18 19:28
108-67-8
1.0
1
10/17/18 19:28
75-01-4
1.0
1
10/17/18 19:28
179601-23-1
0.50
1
10/17/18 19:28
95-47-6
70-130
1
10/17/18 19:28
17060-07-0
70-130
1
10/17/18 19:28
460-00-4
70-130
1
10/17/18 19:28
2037-26-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 12 of 44

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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: RW-1 Lab ID: 92403336004 Collected: 10/12/18 11:10 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water
Aliphatic (C09-C18)
Aliphatic (C19-C36)
Aromatic (C11-C22)
Surrogates
Nonatriacontane (S)
o-Terphenyl(S)
2-Fluorobiphenyl (S)
2-Bromonaphthalene (S)
VPH NC Water
Aliphatic (C05-008)
Aliphatic (C09-C12)
Aliphatic(C09-C12) Adjusted
Aromatic (C09-C10)
Surrogates
4-Bromofluorobenzene (FID) (S)
4-Bromofluorobenzene (PID) (S)
6010 MET ICP
Lead
6010 MET ICP, Lab Filtered
Lead, Dissolved
625 MSSV
Acenaphthene
Acenaphthylene
Anthracene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Chrysene
Dibenz(a,h)anthracene
Fluoranthene
Fluorene
Indeno(1,2,3-cd)pyrene
2-Methylnaphthalene
Naphthalene
Phenanthrene
Pyrene
Surrogates
Nitrobenzene-d5 (S)
2-Fluorobiphenyl (S)
Terphenyl-d14 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: MADEP EPH Preparation Method: MADEP EPH
3300
ug/L
396
4
10/16/18 08:24
10/23/18 17:49
N2
510
ug/L
396
4
10/16/18 08:24
10/23/18 17:49
N2
1610
ug/L
99.0
1
10/16/18 08:24
10/22/18 11:02
N2
50
%
40-140
4
10/16/18 08:24
10/23/18 17:49
7194-86-7
69
%
40-140
1
10/16/18 08:24
10/22/18 11:02
84-15-1
90
%
40-140
1
10/16/18 08:24
10/22/18 11:02
321-60-8
86
%
40-140
1
10/16/18 08:24
10/22/18 11:02
580-13-2
Analytical Method: MADEP VPH
ND
ug/L
50.0
1
10/19/18 22:35
N2
543
ug/L
50.0
1
10/19/18 22:35
N2
340
ug/L
50.0
1
10/19/18 22:35
N2
203
ug/L
50.0
1
10/19/18 22:35
N2
113
%
70-130
1
10/19/18 22:35
460-00-4
99
%
70-130
1
10/19/18 22:35
460-00-4
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/13/1813:45
10/14/1818:25
7439-92-1
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/16/1812:56
10/16/1818:33
7439-92-1
P4
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
83-32-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
208-96-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
120-12-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
56-55-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
50-32-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
205-99-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
191-24-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
207-08-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
218-01-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
53-70-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
206-44-0
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
86-73-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
193-39-5
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
91-57-6
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
91-20-3
17.6
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
85-01-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:12
129-00-0
35
%
10-120
1
10/15/18 08:36
10/16/18 18:12
4165-60-0
39
%
15-120
1
10/15/18 08:36
10/16/18 18:12
321-60-8
58
%
11-131
1
10/15/18 08:36
10/16/18 18:12
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except in
full,
without
the written consent of
Pace Analytical Services, LLC.
Page 13 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: RW-1 Lab ID: 92403336004 Collected: 10/12/18 11:10 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV Analytical Method: SM 6200B
Benzene
ND
ug/L
0.50
1
10/18/18 18:49
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/18/18 18:49
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/18/18 18:49
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/18/18 18:49
75-27-4
Bromoform
ND
ug/L
0.50
1
10/18/18 18:49
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/18/18 18:49
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/18/18 18:49
104-51-8
sec-Butylbenzene
3.0
ug/L
0.50
1
10/18/18 18:49
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/18/18 18:49
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/18/18 18:49
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/18/18 18:49
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/18/18 18:49
75-00-3
Chloroform
ND
ug/L
0.50
1
10/18/18 18:49
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/18/18 18:49
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/18/18 18:49
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/18/18 18:49
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/18/18 18:49
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/18/18 18:49
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/18/18 18:49
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/18/18 18:49
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/18/18 18:49
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/18/18 18:49
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/18/18 18:49
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/18/18 18:49
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/18/18 18:49
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/18/18 18:49
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/18/18 18:49
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/18/18 18:49
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/18/18 18:49
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/18/18 18:49
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/18/18 18:49
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/18/18 18:49
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/18/18 18:49
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/18/18 18:49
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/18/18 18:49
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/18/18 18:49
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/18/18 18:49
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/18/18 18:49
87-68-3
Isopropylbenzene (Cumene)
1.4
ug/L
0.50
1
10/18/18 18:49
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/18/18 18:49
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/18/18 18:49
1634-04-4
Naphthalene
4.6
ug/L
2.0
1
10/18/18 18:49
91-20-3
n-Propylbenzene
1.0
ug/L
0.50
1
10/18/18 18:49
103-65-1
Styrene
ND
ug/L
0.50
1
10/18/18 18:49
100-42-5
1,1,1,2-Tetrachloroethane
ND
ug/L
0.50
1
10/18/18 18:49
630-20-6
1,1,2,2-Tetrachloroethane
ND
ug/L
0.50
1
10/18/18 18:49
79-34-5
Tetrachloroethene
ND
ug/L
0.50
1
10/18/18 18:49
127-18-4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 14 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: RW-1 Lab ID: 92403336004 Collected: 10/12/18 11:10 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
92 %
97 %
100 %
0.50
1
10/18/18 18:49
108-88-3
2.0
1
10/18/18 18:49
87-61-6
2.0
1
10/18/18 18:49
120-82-1
0.50
1
10/18/18 18:49
71-55-6
0.50
1
10/18/18 18:49
79-00-5
0.50
1
10/18/18 18:49
79-01-6
1.0
1
10/18/18 18:49
75-69-4
0.50
1
10/18/18 18:49
96-18-4
0.50
1
10/18/18 18:49
95-63-6
0.50
1
10/18/18 18:49
108-67-8
1.0
1
10/18/18 18:49
75-01-4
1.0
1
10/18/18 18:49
179601-23-1
0.50
1
10/18/18 18:49
95-47-6
70-130
1
10/18/18 18:49
17060-07-0
70-130
1
10/18/18 18:49
460-00-4
70-130
1
10/18/18 18:49
2037-26-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 15 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1 Lab ID: 92403336005 Collected: 10/12/18 13:20 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water
Aliphatic (C09-C18)
Aliphatic (C19-C36)
Aromatic (C11-C22)
Surrogates
Nonatriacontane (S)
o-Terphenyl(S)
2-Fluorobiphenyl (S)
2-Bromonaphthalene (S)
VPH NC Water
Aliphatic (C05-008)
Aliphatic (C09-C12)
Aliphatic(C09-C12) Adjusted
Aromatic (C09-C10)
Surrogates
4-Bromofluorobenzene (FID) (S)
4-Bromofluorobenzene (PID) (S)
6010 MET ICP
Lead
6010 MET ICP, Lab Filtered
Lead, Dissolved
625 MSSV
Acenaphthene
Acenaphthylene
Anthracene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Chrysene
Dibenz(a,h)anthracene
Fluoranthene
Fluorene
Indeno(1,2,3-cd)pyrene
2-Methylnaphthalene
Naphthalene
Phenanthrene
Pyrene
Surrogates
Nitrobenzene-d5 (S)
2-Fluorobiphenyl (S)
Terphenyl-d14 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: MADEP EPH Preparation Method: MADEP EPH
ND
ug/L
95.2
1
10/16/18 08:24
10/22/18 11:30
N2
ND
ug/L
95.2
1
10/16/18 08:24
10/22/18 11:30
N2
ND
ug/L
95.2
1
10/16/18 08:24
10/22/18 11:30
N2
72
%
40-140
1
10/16/18 08:24
10/22/18 11:30
7194-86-7
58
%
40-140
1
10/16/18 08:24
10/22/18 11:30
84-15-1
66
%
40-140
1
10/16/18 08:24
10/22/18 11:30
321-60-8
67
%
40-140
1
10/16/18 08:24
10/22/18 11:30
580-13-2
Analytical Method: MADEP VPH
ND
ug/L
50.0
1
10/19/18 22:06
N2
ND
ug/L
50.0
1
10/19/18 22:06
N2
ND
ug/L
50.0
1
10/19/18 22:06
N2
ND
ug/L
50.0
1
10/19/18 22:06
N2
96
%
70-130
1
10/19/18 22:06
460-00-4
98
%
70-130
1
10/19/18 22:06
460-00-4
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/13/1813:45
10/14/1818:28
7439-92-1
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/16/1812:56
10/16/1818:36
7439-92-1
P4
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
83-32-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
208-96-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
120-12-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
56-55-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
50-32-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
205-99-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
191-24-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
207-08-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
218-01-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
53-70-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
206-44-0
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
86-73-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
193-39-5
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
91-57-6
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
91-20-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
85-01-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 18:45
129-00-0
71
%
10-120
1
10/15/18 08:36
10/16/18 18:45
4165-60-0
74
%
15-120
1
10/15/18 08:36
10/16/18 18:45
321-60-8
59
%
11-131
1
10/15/18 08:36
10/16/18 18:45
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except
in full,
without
the written consent of
Pace Analytical Services,
LLC.
Page 16 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1 Lab ID: 92403336005 Collected: 10/12/18 13:20 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
625 MSSV Analytical Method: EPA 625.1 Preparation Method: EPA 625.1
Surrogates
Phenol-d6 (S)
27
%
10-120
1
10/15/18 08:36 10/16/18 18:45
13127-88-3
2-Fluorophenol (S)
41
%
10-120
1
10/15/18 08:36 10/16/18 18:45
367-12-4
2,4,6-Tribromophenol (S)
75
%
10-137
1
10/15/18 08:36 10/16/18 18:45
118-79-6
6200B MSV
Analytical Method:
SM 6200B
Benzene
ND
ug/L
0.50
1
10/17/18 19:44
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/17/18 19:44
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/17/18 19:44
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/17/18 19:44
75-27-4
Bromoform
ND
ug/L
0.50
1
10/17/18 19:44
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/17/18 19:44
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:44
104-51-8
sec-Butylbenzene
ND
ug/L
0.50
1
10/17/18 19:44
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/17/18 19:44
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/17/18 19:44
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/17/18 19:44
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/17/18 19:44
75-00-3
Chloroform
ND
ug/L
0.50
1
10/17/18 19:44
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/17/18 19:44
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:44
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 19:44
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/17/18 19:44
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/17/18 19:44
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/17/18 19:44
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/17/18 19:44
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:44
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:44
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 19:44
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/17/18 19:44
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:44
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/17/18 19:44
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:44
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:44
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 19:44
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:44
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:44
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 19:44
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:44
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:44
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 19:44
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/17/18 19:44
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/17/18 19:44
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/17/18 19:44
87-68-3
Isopropylbenzene (Cumene)
ND
ug/L
0.50
1
10/17/18 19:44
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/17/18 19:44
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/17/18 19:44
1634-04-4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 17 of 44

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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1 Lab ID: 92403336005 Collected: 10/12/18 13:20 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Naphthalene
n-Propylbenzene
Styrene
1,1,1,2-Tetrachloroethane
1,1,2,2-Tetrachloroethane
Tetrachloroethene
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
92 %
95 %
100 %
2.0
1
10/17/18 19:44
91-20-3
0.50
1
10/17/18 19:44
103-65-1
0.50
1
10/17/18 19:44
100-42-5
0.50
1
10/17/18 19:44
630-20-6
0.50
1
10/17/18 19:44
79-34-5
0.50
1
10/17/18 19:44
127-18-4
0.50
1
10/17/18 19:44
108-88-3
2.0
1
10/17/18 19:44
87-61-6
2.0
1
10/17/18 19:44
120-82-1
0.50
1
10/17/18 19:44
71-55-6
0.50
1
10/17/18 19:44
79-00-5
0.50
1
10/17/18 19:44
79-01-6
1.0
1
10/17/18 19:44
75-69-4
0.50
1
10/17/18 19:44
96-18-4
0.50
1
10/17/18 19:44
95-63-6
0.50
1
10/17/18 19:44
108-67-8
1.0
1
10/17/18 19:44
75-01-4
1.0
1
10/17/18 19:44
179601-23-1
0.50
1
10/17/18 19:44
95-47-6
70-130 1
70-130 1
70-130 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
10/17/18 19:44 17060-07-0
10/17/18 19:44 460-00-4
10/17/18 19:44 2037-26-5
Page 18 of 44

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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1-a Lab ID: 92403336006 Collected: 10/12/18 14:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MADEP EPH NC Water
Aliphatic (C09-C18)
Aliphatic (C19-C36)
Aromatic (C11-C22)
Surrogates
Nonatriacontane (S)
o-Terphenyl(S)
2-Fluorobiphenyl (S)
2-Bromonaphthalene (S)
VPH NC Water
Aliphatic (C05-008)
Aliphatic (C09-C12)
Aliphatic(C09-C12) Adjusted
Aromatic (C09-C10)
Surrogates
4-Bromofluorobenzene (FID) (S)
4-Bromofluorobenzene (PID) (S)
6010 MET ICP
Lead
6010 MET ICP, Lab Filtered
Lead, Dissolved
625 MSSV
Acenaphthene
Acenaphthylene
Anthracene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Chrysene
Dibenz(a,h)anthracene
Fluoranthene
Fluorene
Indeno(1,2,3-cd)pyrene
2-Methylnaphthalene
Naphthalene
Phenanthrene
Pyrene
Surrogates
Nitrobenzene-d5 (S)
2-Fluorobiphenyl (S)
Terphenyl-d14 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: MADEP EPH Preparation Method: MADEP EPH
ND
ug/L
96.2
1
10/16/18 08:24
10/22/18 11:57
N2
ND
ug/L
96.2
1
10/16/18 08:24
10/22/18 11:57
N2
ND
ug/L
96.2
1
10/16/18 08:24
10/22/18 11:57
N2
36
%
40-140
1
10/16/18 08:24
10/22/18 11:57
7194-86-7
S2
43
%
40-140
1
10/16/18 08:24
10/22/18 11:57
84-15-1
75
%
40-140
1
10/16/18 08:24
10/22/18 11:57
321-60-8
77
%
40-140
1
10/16/18 08:24
10/22/18 11:57
580-13-2
Analytical Method: MADEP VPH
ND
ug/L
50.0
1
10/22/1818:07
N2
ND
ug/L
50.0
1
10/22/1818:07
N2
ND
ug/L
50.0
1
10/22/1818:07
N2
ND
ug/L
50.0
1
10/22/1818:07
N2
90
%
70-130
1
10/22/1818:07
460-00-4
93
%
70-130
1
10/22/1818:07
460-00-4
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
5.2
ug/L
5.0
1
10/13/1813:45
10/14/1818:43
7439-92-1
Analytical Method: EPA 6010D Preparation
Method: EPA 3010A
ND
ug/L
5.0
1
10/16/1812:56
10/16/1818:39
7439-92-1
P4
Analytical Method: EPA 625.1 Preparation Method: EPA
625.1
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
83-32-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
208-96-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
120-12-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
56-55-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
50-32-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
205-99-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
191-24-2
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
207-08-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
218-01-9
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
53-70-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
206-44-0
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
86-73-7
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
193-39-5
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
91-57-6
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
91-20-3
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
85-01-8
ND
ug/L
4.9
1
10/15/18 08:36
10/16/18 19:47
129-00-0
76
%
10-120
1
10/15/18 08:36
10/16/18 19:47
4165-60-0
79
%
15-120
1
10/15/18 08:36
10/16/18 19:47
321-60-8
79
%
11-131
1
10/15/18 08:36
10/16/18 19:47
1718-51-0
REPORT OF LABORATORY
ANALYSIS
This report shall not be
reproduced, except
in full,
without
the written consent of
Pace Analytical Services,
LLC.
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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1-a Lab ID: 92403336006 Collected: 10/12/18 14:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV Analytical Method: SM 6200B
Benzene
ND
ug/L
0.50
1
10/17/18 20:00
71-43-2
Bromobenzene
ND
ug/L
0.50
1
10/17/18 20:00
108-86-1
Bromochloromethane
ND
ug/L
0.50
1
10/17/18 20:00
74-97-5
Bromodichloromethane
ND
ug/L
0.50
1
10/17/18 20:00
75-27-4
Bromoform
ND
ug/L
0.50
1
10/17/18 20:00
75-25-2
Bromomethane
ND
ug/L
5.0
1
10/17/18 20:00
74-83-9
n-Butylbenzene
ND
ug/L
0.50
1
10/17/18 20:00
104-51-8
sec-Butylbenzene
ND
ug/L
0.50
1
10/17/18 20:00
135-98-8
tert-Butyl benzene
ND
ug/L
0.50
1
10/17/18 20:00
98-06-6
Carbon tetrachloride
ND
ug/L
0.50
1
10/17/18 20:00
56-23-5
Chlorobenzene
ND
ug/L
0.50
1
10/17/18 20:00
108-90-7
Chloroethane
ND
ug/L
1.0
1
10/17/18 20:00
75-00-3
Chloroform
ND
ug/L
0.50
1
10/17/18 20:00
67-66-3
Chloromethane
ND
ug/L
1.0
1
10/17/18 20:00
74-87-3
2-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 20:00
95-49-8
4-Chlorotoluene
ND
ug/L
0.50
1
10/17/18 20:00
106-43-4
1,2-Dibromo-3-chloropropane
ND
ug/L
1.0
1
10/17/18 20:00
96-12-8
Dibromochloromethane
ND
ug/L
0.50
1
10/17/18 20:00
124-48-1
1,2-Dibromoethane (EDB)
ND
ug/L
0.50
1
10/17/18 20:00
106-93-4
Dibromomethane
ND
ug/L
0.50
1
10/17/18 20:00
74-95-3
1,2-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 20:00
95-50-1
1,3-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 20:00
541-73-1
1,4-Dichlorobenzene
ND
ug/L
0.50
1
10/17/18 20:00
106-46-7
Dichlorodifluoromethane
ND
ug/L
0.50
1
10/17/18 20:00
75-71-8
1,1-Dichloroethane
ND
ug/L
0.50
1
10/17/18 20:00
75-34-3
1,2-Dichloroethane
ND
ug/L
0.50
1
10/17/18 20:00
107-06-2
1,1-Dichloroethene
ND
ug/L
0.50
1
10/17/18 20:00
75-35-4
cis-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 20:00
156-59-2
trans-1,2-Dichloroethene
ND
ug/L
0.50
1
10/17/18 20:00
156-60-5
1,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 20:00
78-87-5
1,3-Dichloropropane
ND
ug/L
0.50
1
10/17/18 20:00
142-28-9
2,2-Dichloropropane
ND
ug/L
0.50
1
10/17/18 20:00
594-20-7
1,1-Dichloropropene
ND
ug/L
0.50
1
10/17/18 20:00
563-58-6
cis-1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 20:00
10061-01-5
trans- 1,3-Dichloropropene
ND
ug/L
0.50
1
10/17/18 20:00
10061-02-6
Diisopropyl ether
ND
ug/L
0.50
1
10/17/18 20:00
108-20-3
Ethylbenzene
ND
ug/L
0.50
1
10/17/18 20:00
100-41-4
Hexachloro-1,3-butadiene
ND
ug/L
2.0
1
10/17/18 20:00
87-68-3
Isopropylbenzene (Cumene)
ND
ug/L
0.50
1
10/17/18 20:00
98-82-8
Methylene Chloride
ND
ug/L
2.0
1
10/17/18 20:00
75-09-2
Methyl-tert-butyl ether
ND
ug/L
0.50
1
10/17/18 20:00
1634-04-4
Naphthalene
ND
ug/L
2.0
1
10/17/18 20:00
91-20-3
n-Propylbenzene
ND
ug/L
0.50
1
10/17/18 20:00
103-65-1
Styrene
ND
ug/L
0.50
1
10/17/18 20:00
100-42-5
1,1,1,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 20:00
630-20-6
1,1,2,2-Tetrachloroethane
ND
ug/L
0.50
1
10/17/18 20:00
79-34-5
Tetrachloroethene
ND
ug/L
0.50
1
10/17/18 20:00
127-18-4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 20 of 44

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Huntersville, NC 28078
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ANALYTICAL RESULTS
Project: Kloekner Metals
Pace Project No.: 92403336
Sample: DW-1-a Lab ID: 92403336006 Collected: 10/12/18 14:00 Received: 10/12/18 17:00 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
6200B MSV
Toluene
1,2,3-Trichlorobenzene
1,2,4-Trichlorobenzene
1,1,1-Trichloroethane
1,1,2-Trichloroethane
Trichloroethene
Trichlorofluoromethane
1,2,3-Trichloropropane
1,2,4-Trimethylbenzene
1,3,5-Trimethylbenzene
Vinyl chloride
m&p-Xylene
o-Xylene
Surrogates
1,2-Dichloroethane-d4 (S)
4-Bromofluorobenzene (S)
Toluene-d8 (S)
Date: 10/25/2018 05:06 PM
Analytical Method: SM 6200B
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
ND
ug/L
89 %
95 %
102 %
0.50
1
10/17/18 20:00
108-88-3
2.0
1
10/17/18 20:00
87-61-6
2.0
1
10/17/18 20:00
120-82-1
0.50
1
10/17/18 20:00
71-55-6
0.50
1
10/17/18 20:00
79-00-5
0.50
1
10/17/18 20:00
79-01-6
1.0
1
10/17/18 20:00
75-69-4
0.50
1
10/17/18 20:00
96-18-4
0.50
1
10/17/18 20:00
95-63-6
0.50
1
10/17/18 20:00
108-67-8
1.0
1
10/17/18 20:00
75-01-4
1.0
1
10/17/18 20:00
179601-23-1
0.50
1
10/17/18 20:00
95-47-6
70-130
1
10/17/18 20:00
17060-07-0
70-130
1
10/17/18 20:00
460-00-4
70-130
1
10/17/18 20:00
2037-26-5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 21 of 44

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QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 437346 Analysis Method: MADEP VPH
QC Batch Method: MADEP VPH Analysis Description: VPH NC Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005
METHOD BLANK: 2405534
Matrix:
Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005
Blank
Reporting
Parameter
Units
Result
Limit
Analyzed Qualifiers
Aliphatic (C05-008)
ug/L
ND
50.0
10/19/18 18:09 N2
Aliphatic (C09-C12)
ug/L
ND
50.0
10/19/18 18:09 N2
Aromatic (C09-C10)
ug/L
ND
50.0
10/19/18 18:09 N2
4-Bromofluorobenzene (FID) (S)
%
95
70-130
10/19/18 18:09
4-Bromofluorobenzene (PID) (S)
%
96
70-130
10/19/18 18:09
LABORATORY CONTROL SAMPLE & LCSD:
2405535
2405536
Spike
LCS
LCSD
LCS
LCSD
% Rec Max
Parameter
Units
Conc.
Result
Result
% Rec
% Rec
Limits RPD RPD Qualifiers
Aliphatic (C05-CO8)
ug/L
300
303
283
101
94
70-130 7 25 N2
Aliphatic (C09-C12)
ug/L
300
329
308
110
103
30-130 7 25 N2
Aromatic (C09-C10)
ug/L
100
106
99.5
106
99
70-130 6 25 N2
4-Bromofluorobenzene (FID) (S)
%
99
99
70-130
4-Bromofluorobenzene (PID) (S)
%
101
100
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 22 of 44

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Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 437521 Analysis Method: MADEP VPH
QC Batch Method: MADEP VPH Analysis Description: VPH NC Water
Associated Lab Samples: 92403336006
METHOD BLANK: 2406060
Associated Lab Samples: 92403336006
Parameter
Units
Aliphatic (C05-008)
ug/L
Aliphatic (C09-C12)
ug/L
Aromatic (C09-C10)
ug/L
4-Bromofluorobenzene (FID) (S)
%
4-Bromofluorobenzene (PID) (S)
%
Matrix: Water
Blank
Reporting
Result
Limit
Analyzed Qualifiers
ND
50.0
10/22/1814:40 N2
ND
50.0
10/22/1814:40 N2
ND
50.0
10/22/1814:40 N2
101
70-130
10/22/ 18 14:40
106
70-130
10/22/1814:40
LABORATORY CONTROL SAMPLE & LCSD:
2406061
2406062
Spike
LCS
LCSD
LCS
LCSD
% Rec Max
Parameter
Units
Conc.
Result
Result
% Rec
% Rec
Limits RPD RPD Qualifiers
Aliphatic (C05-CO8)
ug/L
300
276
271
92
90
70-130 2 25 N2
Aliphatic (C09-C12)
ug/L
300
309
303
103
101
30-130 2 25 N2
Aromatic (C09-C10)
ug/L
100
103
102
103
102
70-130 1 25 N2
4-Bromofluorobenzene (FID) (S)
%
108
108
70-130
4-Bromofluorobenzene (PID) (S)
%
114
114
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 23 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 436119 Analysis Method: EPA 6010D
QC Batch Method: EPA 3010A Analysis Description: 6010 MET
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
METHOD BLANK: 2399833 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Lead ug/L ND 5.0 10/14/1817:51
LABORATORY CONTROL SAMPLE: 2399834
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Lead ug/L 500 474 95 80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2399835 2399836
MS MSD
92403336001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Lead ug/L ND 500 500 500 499 100 99 75-125 0
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 24 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 436425 Analysis Method: EPA 6010D
QC Batch Method: EPA 3010A Analysis Description: 6010 MET Filtered Diss.
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
METHOD BLANK: 2401246 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Lead, Dissolved ug/L ND 5.0 10/16/18 17:56
LABORATORY CONTROL SAMPLE: 2401247
Spike LCS LCS % Rec
Parameter Units Conc. Result % Rec Limits Qualifiers
Lead, Dissolved ug/L 500 482 96 80-120
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2401248 2401249
MS MSD
92403336001 Spike Spike MS MSD MS MSD % Rec
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD Qual
Lead, Dissolved ug/L ND 500 500 442 440 88 88 75-125 1
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 25 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 436679 Analysis Method: SM 6200B
QC Batch Method: SM 6200B Analysis Description: 6200E MSV
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336005, 92403336006
METHOD BLANK: 2402294 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed
1,1,1,2-Tetrachloroethane
ug/L
ND
0.50
10/17/18 15:10
1,1,1-Trichloroethane
ug/L
ND
0.50
10/17/18 15:10
1,1,2,2-Tetrachloroethane
ug/L
ND
0.50
10/17/18 15:10
1,1,2-Trichloroethane
ug/L
ND
0.50
10/17/18 15:10
1,1-Dichloroethane
ug/L
ND
0.50
10/17/18 15:10
1,1-Dichloroethene
ug/L
ND
0.50
10/17/18 15:10
1,1-Dichloropropene
ug/L
ND
0.50
10/17/18 15:10
1,2,3-Trichlorobenzene
ug/L
ND
2.0
10/17/18 15:10
1,2,3-Trichloropropane
ug/L
ND
0.50
10/17/18 15:10
1,2,4-Trichlorobenzene
ug/L
ND
2.0
10/17/18 15:10
1,2,4-Trimethylbenzene
ug/L
ND
0.50
10/17/18 15:10
1,2-Dibromo-3-chloropropane
ug/L
ND
1.0
10/17/18 15:10
1,2-Dibromoethane (EDB)
ug/L
ND
0.50
10/17/18 15:10
1,2-Dichlorobenzene
ug/L
ND
0.50
10/17/18 15:10
1,2-Dichloroethane
ug/L
ND
0.50
10/17/18 15:10
1,2-Dichloropropane
ug/L
ND
0.50
10/17/18 15:10
1,3,5-Trimethylbenzene
ug/L
ND
0.50
10/17/18 15:10
1,3-Dichlorobenzene
ug/L
ND
0.50
10/17/18 15:10
1,3-Dichloropropane
ug/L
ND
0.50
10/17/18 15:10
1,4-Dichlorobenzene
ug/L
ND
0.50
10/17/18 15:10
2,2-Dichloropropane
ug/L
ND
0.50
10/17/18 15:10
2-Chlorotoluene
ug/L
ND
0.50
10/17/18 15:10
4-Chlorotoluene
ug/L
ND
0.50
10/17/18 15:10
Benzene
ug/L
ND
0.50
10/17/18 15:10
Bromobenzene
ug/L
ND
0.50
10/17/18 15:10
Bromochloromethane
ug/L
ND
0.50
10/17/18 15:10
Bromodichloromethane
ug/L
ND
0.50
10/17/18 15:10
Bromoform
ug/L
ND
0.50
10/17/18 15:10
Bromomethane
ug/L
ND
5.0
10/17/18 15:10
Carbon tetrachloride
ug/L
ND
0.50
10/17/18 15:10
Chlorobenzene
ug/L
ND
0.50
10/17/18 15:10
Chloroethane
ug/L
ND
1.0
10/17/18 15:10
Chloroform
ug/L
ND
0.50
10/17/18 15:10
Chloromethane
ug/L
ND
1.0
10/17/18 15:10
cis-1,2-Dichloroethene
ug/L
ND
0.50
10/17/18 15:10
cis-1,3-Dichloropropene
ug/L
ND
0.50
10/17/18 15:10
Dibromochloromethane
ug/L
ND
0.50
10/17/18 15:10
Dibromomethane
ug/L
ND
0.50
10/17/18 15:10
Dichlorodifluoromethane
ug/L
ND
0.50
10/17/18 15:10
Diisopropyl ether
ug/L
ND
0.50
10/17/18 15:10
Ethylbenzene
ug/L
ND
0.50
10/17/18 15:10
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 26 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
METHOD BLANK: 2402294 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed
Hexachloro-1,3-butadiene
ug/L
ND
2.0
10/17/18 15:10
Isopropylbenzene (Cumene)
ug/L
ND
0.50
10/17/18 15:10
m&p-Xylene
ug/L
ND
1.0
10/17/18 15:10
Methyl-tert-butyl ether
ug/L
ND
0.50
10/17/18 15:10
Methylene Chloride
ug/L
ND
2.0
10/17/18 15:10
n-Butylbenzene
ug/L
ND
0.50
10/17/18 15:10
n-Propylbenzene
ug/L
ND
0.50
10/17/18 15:10
Naphthalene
ug/L
ND
2.0
10/17/18 15:10
o-Xylene
ug/L
ND
0.50
10/17/18 15:10
sec-Butylbenzene
ug/L
ND
0.50
10/17/18 15:10
Styrene
ug/L
ND
0.50
10/17/18 15:10
tert-Butyl benzene
ug/L
ND
0.50
10/17/18 15:10
Tetrachloroethene
ug/L
ND
0.50
10/17/18 15:10
Toluene
ug/L
ND
0.50
10/17/18 15:10
trans-1,2-Dichloroethene
ug/L
ND
0.50
10/17/18 15:10
trans- 1,3-Dichloropropene
ug/L
ND
0.50
10/17/18 15:10
Trichloroethene
ug/L
ND
0.50
10/17/18 15:10
Trichlorofluoromethane
ug/L
ND
1.0
10/17/18 15:10
Vinyl chloride
ug/L
ND
1.0
10/17/18 15:10
1,2-Dichloroethane-d4 (S)
%
95
70-130
10/17/18 15:10
4-Bromofluorobenzene (S)
%
95
70-130
10/17/18 15:10
Toluene-d8 (S)
%
100
70-130
10/17/18 15:10
Qualifiers
LABORATORY CONTROL SAMPLE:
Parameter
2402295
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits
1,1,1,2-Tetrachloroethane
ug/L
50
49.0
98
60-140
1,1,1-Trichloroethane
ug/L
50
44.8
90
60-140
1,1,2,2-Tetrachloroethane
ug/L
50
47.5
95
60-140
1,1,2-Trichloroethane
ug/L
50
48.3
97
60-140
1,1-Dichloroethane
ug/L
50
43.6
87
60-140
1,1-Dichloroethene
ug/L
50
45.8
92
60-140
1,1-Dichloropropene
ug/L
50
47.3
95
60-140
1,2,3-Trichlorobenzene
ug/L
50
49.6
99
60-140
1,2,3-Trichloropropane
ug/L
50
51.5
103
60-140
1,2,4-Trichlorobenzene
ug/L
50
50.9
102
60-140
1,2,4-Trimethylbenzene
ug/L
50
47.1
94
60-140
1,2-Dibromo-3-chloropropane
ug/L
50
48.3
97
60-140
1,2-Dibromoethane (EDB)
ug/L
50
50.9
102
60-140
1,2-Dichlorobenzene
ug/L
50
51.1
102
60-140
1,2-Dichloroethane
ug/L
50
47.0
94
60-140
1,2-Dichloropropane
ug/L
50
48.0
96
60-140
1,3,5-Trimethylbenzene
ug/L
50
47.2
94
60-140
1,3-Dichlorobenzene
ug/L
50
49.8
100
60-140
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 27 of 44

aceAnalytical
-pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
LABORATORY CONTROL SAMPLE:
Parameter
2402295
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits
1,3-Dichloropropane
ug/L
50
51.7
103
60-140
1,4-Dichlorobenzene
ug/L
50
49.7
99
60-140
2,2-Dichloropropane
ug/L
50
46.8
94
60-140
2-Chlorotoluene
ug/L
50
46.5
93
60-140
4-Chlorotoluene
ug/L
50
47.5
95
60-140
Benzene
ug/L
50
47.4
95
60-140
Bromobenzene
ug/L
50
50.2
100
60-140
Bromochloromethane
ug/L
50
53.9
108
60-140
Bromodichloromethane
ug/L
50
46.5
93
60-140
Bromoform
ug/L
50
49.6
99
60-140
Bromomethane
ug/L
50
39.2
78
60-140
Carbon tetrachloride
ug/L
50
48.4
97
60-140
Chlorobenzene
ug/L
50
49.9
100
60-140
Chloroethane
ug/L
50
38.9
78
60-140
Chloroform
ug/L
50
50.8
102
60-140
Chloromethane
ug/L
50
35.9
72
60-140
cis-1,2-Dichloroethene
ug/L
50
45.4
91
60-140
cis-1,3-Dichloropropene
ug/L
50
50.1
100
60-140
Dibromochloromethane
ug/L
50
52.3
105
60-140
Dibromomethane
ug/L
50
52.8
106
60-140
Dichlorodifluoromethane
ug/L
50
41.9
84
60-140
Diisopropyl ether
ug/L
50
43.7
87
60-140
Ethylbenzene
ug/L
50
47.6
95
60-140
Hexachloro-1,3-butadiene
ug/L
50
46.6
93
60-140
Isopropylbenzene (Cumene)
ug/L
50
49.9
100
60-140
m&p-Xylene
ug/L
100
95.2
95
60-140
Methyl-tert-butyl ether
ug/L
50
46.2
92
60-140
Methylene Chloride
ug/L
50
45.6
91
60-140
n-Butylbenzene
ug/L
50
48.7
97
60-140
n-Propylbenzene
ug/L
50
47.3
95
60-140
Naphthalene
ug/L
50
50.9
102
60-140
o-Xylene
ug/L
50
49.6
99
60-140
sec-Butylbenzene
ug/L
50
47.9
96
60-140
Styrene
ug/L
50
48.9
98
60-140
tert-Butyl benzene
ug/L
50
42.1
84
60-140
Tetrachloroethene
ug/L
50
47.3
95
60-140
Toluene
ug/L
50
44.8
90
60-140
trans-1,2-Dichloroethene
ug/L
50
45.8
92
60-140
trans- 1,3-Dichloropropene
ug/L
50
47.1
94
60-140
Trichloroethene
ug/L
50
50.0
100
60-140
Trichlorofluoromethane
ug/L
50
44.3
89
60-140
Vinyl chloride
ug/L
50
46.7
93
60-140
1,2-Dichloroethane-d4 (S)
%
96
70-130
4-Bromofluorobenzene (S)
%
97
70-130
Toluene-d8 (S)
%
95
70-130
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 28 of 44

aceAnalytical
-pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
2402296
2402297
MS
MSD
92403169001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits RPD Qual
1,1,1,2-Tetrachloroethane
ug/L
ND
20
20
20.2
19.9
101
99
60-140
2
1,1,1-Trichloroethane
ug/L
ND
20
20
18.5
18.5
93
92
60-140
1
1,1,2,2-Tetrachloroethane
ug/L
ND
20
20
19.6
19.3
98
96
60-140
2
1,1,2-Trichloroethane
ug/L
ND
20
20
19.0
18.9
95
95
60-140
1
1,1-Dichloroethane
ug/L
ND
20
20
18.2
17.9
91
90
60-140
2
1,1-Dichloroethene
ug/L
ND
20
20
18.9
19.4
95
97
60-140
2
1,1-Dichloropropene
ug/L
ND
20
20
19.5
19.3
97
97
60-140
1
1,2,3-Trichlorobenzene
ug/L
ND
20
20
17.8
18.7
89
93
60-140
5
1,2,3-Trichloropropane
ug/L
ND
20
20
20.2
20.6
101
103
60-140
2
1,2,4-Trichlorobenzene
ug/L
ND
20
20
18.6
19.5
93
97
60-140
4
1,2,4-Trimethylbenzene
ug/L
ND
20
20
18.5
18.8
92
94
60-140
2
1,2-Dibromo-3-chloropropane
ug/L
ND
20
20
18.0
18.6
90
93
60-140
3
1,2-Dibromoethane (EDB)
ug/L
ND
20
20
19.9
20.6
100
103
60-140
3
1,2-Dichlorobenzene
ug/L
ND
20
20
19.4
20.1
97
101
60-140
4
1,2-Dichloroethane
ug/L
ND
20
20
19.3
18.5
97
93
60-140
4
1,2-Dichloropropane
ug/L
ND
20
20
19.5
19.7
98
98
60-140
1
1,3,5-Trimethylbenzene
ug/L
ND
20
20
18.5
18.9
93
95
60-140
2
1,3-Dichlorobenzene
ug/L
ND
20
20
19.3
19.3
96
97
60-140
0
1,3-Dichloropropane
ug/L
ND
20
20
21.0
21.0
105
105
60-140
0
1,4-Dichlorobenzene
ug/L
ND
20
20
19.2
19.5
96
97
60-140
1
2,2-Dichloropropane
ug/L
ND
20
20
16.3
16.3
81
81
60-140
0
2-Chlorotoluene
ug/L
ND
20
20
18.3
18.7
92
93
60-140
2
4-Chlorotoluene
ug/L
ND
20
20
18.3
19.0
92
95
60-140
4
Benzene
ug/L
ND
20
20
19.5
19.1
98
96
60-140
2
Bromobenzene
ug/L
ND
20
20
19.9
20.4
100
102
60-140
2
Bromochloromethane
ug/L
ND
20
20
21.9
21.1
109
106
60-140
3
Bromodichloromethane
ug/L
ND
20
20
18.4
18.7
92
93
60-140
1
Bromoform
ug/L
ND
20
20
18.8
18.6
94
93
60-140
1
Bromomethane
ug/L
ND
20
20
14.2
14.1
71
71
60-140
0
Carbon tetrachloride
ug/L
ND
20
20
20.4
20.1
102
101
60-140
1
Chlorobenzene
ug/L
ND
20
20
20.7
19.9
103
99
60-140
4
Chloroethane
ug/L
ND
20
20
17.7
17.1
89
86
60-140
4
Chloroform
ug/L
ND
20
20
20.0
19.9
100
100
60-140
0
Chloromethane
ug/L
ND
20
20
15.1
15.1
75
75
60-140
0
cis-1,2-Dichloroethene
ug/L
ND
20
20
18.4
18.6
92
93
60-140
1
cis-1,3-Dichloropropene
ug/L
ND
20
20
19.3
19.0
96
95
60-140
1
Dibromochloromethane
ug/L
ND
20
20
19.9
19.9
99
100
60-140
0
Dibromomethane
ug/L
ND
20
20
21.3
21.5
106
108
60-140
1
Dichlorodifluoromethane
ug/L
ND
20
20
19.0
18.5
95
93
60-140
2
Diisopropyl ether
ug/L
ND
20
20
17.6
17.6
88
88
60-140
0
Ethylbenzene
ug/L
ND
20
20
19.7
19.6
98
98
60-140
1
Hexachloro-1,3-butadiene
ug/L
ND
20
20
17.2
17.9
86
90
60-140
4
Isopropylbenzene (Cumene)
ug/L
ND
20
20
20.7
20.2
103
101
60-140
2
m&p-Xylene
ug/L
ND
40
40
39.7
38.9
99
97
60-140
2
Methyl-tert-butyl ether
ug/L
ND
20
20
18.6
18.4
93
92
60-140
1
Methylene Chloride
ug/L
ND
20
20
16.6
16.4
83
82
60-140
1
Results presented on this
page are in
the units indicated by the
"Units" column except where
an alternate unit is presented
to the right
of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 29 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
2402296
2402297
MS
MSD
92403169001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD Qual
n-Butylbenzene
ug/L
ND
20
20
18.4
19.0
92
95
60-140
3
n-Propylbenzene
ug/L
ND
20
20
18.8
19.1
94
95
60-140
1
Naphthalene
ug/L
ND
20
20
18.0
18.8
90
94
60-140
4
o-Xylene
ug/L
ND
20
20
20.4
20.2
102
101
60-140
1
sec-Butylbenzene
ug/L
ND
20
20
19.0
19.5
95
98
60-140
3
Styrene
ug/L
ND
20
20
19.5
19.5
98
97
60-140
0
tert-Butyl benzene
ug/L
ND
20
20
16.6
16.8
83
84
60-140
1
Tetrachloroethene
ug/L
ND
20
20
19.4
19.5
97
98
60-140
1
Toluene
ug/L
ND
20
20
19.0
18.4
95
92
60-140
3
trans-1,2-Dichloroethene
ug/L
ND
20
20
19.4
19.2
97
96
60-140
1
trans- 1,3-Dichloropropene
ug/L
ND
20
20
17.8
18.1
89
90
60-140
2
Trichloroethene
ug/L
ND
20
20
21.0
20.2
105
101
60-140
4
Trichlorofluoromethane
ug/L
ND
20
20
20.0
19.6
100
98
60-140
2
Vinyl chloride
ug/L
ND
20
20
19.5
19.7
97
99
60-140
1
1,2-Dichloroethane-d4 (S)
%
95
95
70-130
4-Bromofluorobenzene (S)
%
100
96
70-130
Toluene-d8(S)
%
98
97
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 30 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 437017 Analysis Method: SM 6200B
QC Batch Method: SM 6200B Analysis Description: 6200E MSV
Associated Lab Samples: 92403336004
METHOD BLANK: 2404035
Associated Lab Samples: 92403336004
Parameter
Units
Matrix:
Blank
Result
Water
Reporting
Limit
Analyzed
1,1,1,2-Tetrachloroethane
ug/L
ND
0.50
10/18/18 16:57
1,1,1-Trichloroethane
ug/L
ND
0.50
10/18/18 16:57
1,1,2,2-Tetrachloroethane
ug/L
ND
0.50
10/18/18 16:57
1,1,2-Trichloroethane
ug/L
ND
0.50
10/18/18 16:57
1,1-Dichloroethane
ug/L
ND
0.50
10/18/18 16:57
1,1-Dichloroethene
ug/L
ND
0.50
10/18/18 16:57
1,1-Dichloropropene
ug/L
ND
0.50
10/18/18 16:57
1,2,3-Trichlorobenzene
ug/L
ND
2.0
10/18/18 16:57
1,2,3-Trichloropropane
ug/L
ND
0.50
10/18/18 16:57
1,2,4-Trichlorobenzene
ug/L
ND
2.0
10/18/18 16:57
1,2,4-Trimethylbenzene
ug/L
ND
0.50
10/18/18 16:57
1,2-Dibromo-3-chloropropane
ug/L
ND
1.0
10/18/18 16:57
1,2-Dibromoethane (EDB)
ug/L
ND
0.50
10/18/18 16:57
1,2-Dichlorobenzene
ug/L
ND
0.50
10/18/18 16:57
1,2-Dichloroethane
ug/L
ND
0.50
10/18/18 16:57
1,2-Dichloropropane
ug/L
ND
0.50
10/18/18 16:57
1,3,5-Trimethylbenzene
ug/L
ND
0.50
10/18/18 16:57
1,3-Dichlorobenzene
ug/L
ND
0.50
10/18/18 16:57
1,3-Dichloropropane
ug/L
ND
0.50
10/18/18 16:57
1,4-Dichlorobenzene
ug/L
ND
0.50
10/18/18 16:57
2,2-Dichloropropane
ug/L
ND
0.50
10/18/18 16:57
2-Chlorotoluene
ug/L
ND
0.50
10/18/18 16:57
4-Chlorotoluene
ug/L
ND
0.50
10/18/18 16:57
Benzene
ug/L
ND
0.50
10/18/18 16:57
Bromobenzene
ug/L
ND
0.50
10/18/18 16:57
Bromochloromethane
ug/L
ND
0.50
10/18/18 16:57
Bromodichloromethane
ug/L
ND
0.50
10/18/18 16:57
Bromoform
ug/L
ND
0.50
10/18/18 16:57
Bromomethane
ug/L
ND
5.0
10/18/18 16:57
Carbon tetrachloride
ug/L
ND
0.50
10/18/18 16:57
Chlorobenzene
ug/L
ND
0.50
10/18/18 16:57
Chloroethane
ug/L
ND
1.0
10/18/18 16:57
Chloroform
ug/L
ND
0.50
10/18/18 16:57
Chloromethane
ug/L
ND
1.0
10/18/18 16:57
cis-1,2-Dichloroethene
ug/L
ND
0.50
10/18/18 16:57
cis-1,3-Dichloropropene
ug/L
ND
0.50
10/18/18 16:57
Dibromochloromethane
ug/L
ND
0.50
10/18/18 16:57
Dibromomethane
ug/L
ND
0.50
10/18/18 16:57
Dichlorodifluoromethane
ug/L
ND
0.50
10/18/18 16:57
Diisopropyl ether
ug/L
ND
0.50
10/18/18 16:57
Ethylbenzene
ug/L
ND
0.50
10/18/18 16:57
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 31 of 44

aceAnalytical
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Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
METHOD BLANK: 2404035
Associated Lab Samples: 92403336004
Parameter
Units
Matrix:
Blank
Result
Water
Reporting
Limit
Analyzed
Hexachloro-1,3-butadiene
ug/L
ND
2.0
10/18/18 16:57
Isopropylbenzene (Cumene)
ug/L
ND
0.50
10/18/18 16:57
m&p-Xylene
ug/L
ND
1.0
10/18/18 16:57
Methyl-tert-butyl ether
ug/L
ND
0.50
10/18/18 16:57
Methylene Chloride
ug/L
ND
2.0
10/18/18 16:57
n-Butylbenzene
ug/L
ND
0.50
10/18/18 16:57
n-Propylbenzene
ug/L
ND
0.50
10/18/18 16:57
Naphthalene
ug/L
ND
2.0
10/18/18 16:57
o-Xylene
ug/L
ND
0.50
10/18/18 16:57
sec-Butylbenzene
ug/L
ND
0.50
10/18/18 16:57
Styrene
ug/L
ND
0.50
10/18/18 16:57
tert-Butyl benzene
ug/L
ND
0.50
10/18/18 16:57
Tetrachloroethene
ug/L
ND
0.50
10/18/18 16:57
Toluene
ug/L
ND
0.50
10/18/18 16:57
trans-1,2-Dichloroethene
ug/L
ND
0.50
10/18/18 16:57
trans- 1,3-Dichloropropene
ug/L
ND
0.50
10/18/18 16:57
Trichloroethene
ug/L
ND
0.50
10/18/18 16:57
Trichlorofluoromethane
ug/L
ND
1.0
10/18/18 16:57
Vinyl chloride
ug/L
ND
1.0
10/18/18 16:57
1,2-Dichloroethane-d4 (S)
%
90
70-130
10/18/18 16:57
4-Bromofluorobenzene (S)
%
93
70-130
10/18/18 16:57
Toluene-d8 (S)
%
101
70-130
10/18/18 16:57
Qualifiers
LABORATORY CONTROL SAMPLE:
Parameter
2404036
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits
1,1,1,2-Tetrachloroethane
ug/L
50
48.0
96
60-140
1,1,1-Trichloroethane
ug/L
50
42.9
86
60-140
1,1,2,2-Tetrachloroethane
ug/L
50
48.1
96
60-140
1,1,2-Trichloroethane
ug/L
50
47.4
95
60-140
1,1-Dichloroethane
ug/L
50
43.3
87
60-140
1,1-Dichloroethene
ug/L
50
45.7
91
60-140
1,1-Dichloropropene
ug/L
50
47.2
94
60-140
1,2,3-Trichlorobenzene
ug/L
50
48.0
96
60-140
1,2,3-Trichloropropane
ug/L
50
49.7
99
60-140
1,2,4-Trichlorobenzene
ug/L
50
51.3
103
60-140
1,2,4-Trimethylbenzene
ug/L
50
47.1
94
60-140
1,2-Dibromo-3-chloropropane
ug/L
50
49.9
100
60-140
1,2-Dibromoethane (EDB)
ug/L
50
50.1
100
60-140
1,2-Dichlorobenzene
ug/L
50
51.2
102
60-140
1,2-Dichloroethane
ug/L
50
45.2
90
60-140
1,2-Dichloropropane
ug/L
50
47.3
95
60-140
1,3,5-Trimethylbenzene
ug/L
50
46.9
94
60-140
1,3-Dichlorobenzene
ug/L
50
49.1
98
60-140
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 32 of 44

aceAnalytical
-pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
LABORATORY CONTROL SAMPLE:
Parameter
2404036
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits
1,3-Dichloropropane
ug/L
50
52.5
105
60-140
1,4-Dichlorobenzene
ug/L
50
49.4
99
60-140
2,2-Dichloropropane
ug/L
50
42.3
85
60-140
2-Chlorotoluene
ug/L
50
46.0
92
60-140
4-Chlorotoluene
ug/L
50
46.8
94
60-140
Benzene
ug/L
50
47.1
94
60-140
Bromobenzene
ug/L
50
50.1
100
60-140
Bromochloromethane
ug/L
50
51.9
104
60-140
Bromodichloromethane
ug/L
50
45.2
90
60-140
Bromoform
ug/L
50
49.1
98
60-140
Bromomethane
ug/L
50
43.7
87
60-140
Carbon tetrachloride
ug/L
50
46.8
94
60-140
Chlorobenzene
ug/L
50
48.9
98
60-140
Chloroethane
ug/L
50
38.9
78
60-140
Chloroform
ug/L
50
49.1
98
60-140
Chloromethane
ug/L
50
38.9
78
60-140
cis-1,2-Dichloroethene
ug/L
50
43.6
87
60-140
cis-1,3-Dichloropropene
ug/L
50
48.2
96
60-140
Dibromochloromethane
ug/L
50
50.7
101
60-140
Dibromomethane
ug/L
50
51.8
104
60-140
Dichlorodifluoromethane
ug/L
50
45.5
91
60-140
Diisopropyl ether
ug/L
50
42.9
86
60-140
Ethylbenzene
ug/L
50
46.1
92
60-140
Hexachloro-1,3-butadiene
ug/L
50
45.8
92
60-140
Isopropylbenzene (Cumene)
ug/L
50
48.1
96
60-140
m&p-Xylene
ug/L
100
92.3
92
60-140
Methyl-tert-butyl ether
ug/L
50
46.1
92
60-140
Methylene Chloride
ug/L
50
45.0
90
60-140
n-Butylbenzene
ug/L
50
48.5
97
60-140
n-Propylbenzene
ug/L
50
46.9
94
60-140
Naphthalene
ug/L
50
50.6
101
60-140
o-Xylene
ug/L
50
48.6
97
60-140
sec-Butylbenzene
ug/L
50
47.9
96
60-140
Styrene
ug/L
50
48.0
96
60-140
tert-Butyl benzene
ug/L
50
42.0
84
60-140
Tetrachloroethene
ug/L
50
46.0
92
60-140
Toluene
ug/L
50
44.2
88
60-140
trans-1,2-Dichloroethene
ug/L
50
44.6
89
60-140
trans- 1,3-Dichloropropene
ug/L
50
45.1
90
60-140
Trichloroethene
ug/L
50
49.5
99
60-140
Trichlorofluoromethane
ug/L
50
45.0
90
60-140
Vinyl chloride
ug/L
50
48.0
96
60-140
1,2-Dichloroethane-d4 (S)
%
92
70-130
4-Bromofluorobenzene (S)
%
96
70-130
Toluene-d8 (S)
%
96
70-130
Qualifiers
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 33 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
MATRIX SPIKE & MATRIX SPIKE DUPLICATE: 2404037
MS
92403277001 Spike
Parameter Units Result Conc.
MSD
Spike
Conc.
2404038
MS
Result
MSD
Result
MS
% Rec
MSD
% Rec
% Rec
Limits RPD Qual
1,1,1,2-Tetrachloroethane
ug/L
ND
400
400
406
413
102
103
60-140
2
1,1,1-Trichloroethane
ug/L
ND
400
400
372
400
93
100
60-140
7
1,1,2,2-Tetrachloroethane
ug/L
ND
400
400
392
408
98
102
60-140
4
1,1,2-Trichloroethane
ug/L
ND
400
400
412
412
103
103
60-140
0
1,1-Dichloroethane
ug/L
ND
400
400
374
393
93
98
60-140
5
1,1-Dichloroethene
ug/L
ND
400
400
401
417
100
104
60-140
4
1,1-Dichloropropene
ug/L
ND
400
400
409
422
102
106
60-140
3
1,2,3-Trichlorobenzene
ug/L
ND
400
400
361
388
90
97
60-140
7
1,2,3-Trichloropropane
ug/L
ND
400
400
410
430
103
107
60-140
5
1,2,4-Trichlorobenzene
ug/L
ND
400
400
387
411
97
103
60-140
6
1,2,4-Trimethylbenzene
ug/L
615
400
400
1010
1020
100
102
60-140
1
1,2-Dibromo-3-chloropropane
ug/L
ND
400
400
375
397
94
99
60-140
6
1,2-Dibromoethane (EDB)
ug/L
ND
400
400
406
428
102
107
60-140
5
1,2-Dichlorobenzene
ug/L
ND
400
400
411
425
103
106
60-140
4
1,2-Dichloroethane
ug/L
ND
400
400
377
401
94
100
60-140
6
1,2-Dichloropropane
ug/L
ND
400
400
414
420
103
105
60-140
2
1,3,5-Trimethylbenzene
ug/L
ND
400
400
559
562
140
140
60-140
1
1,3-Dichlorobenzene
ug/L
ND
400
400
392
407
98
102
60-140
4
1,3-Dichloropropane
ug/L
ND
400
400
441
453
110
113
60-140
3
1,4-Dichlorobenzene
ug/L
ND
400
400
402
422
100
105
60-140
5
2,2-Dichloropropane
ug/L
ND
400
400
375
392
94
98
60-140
4
2-Chlorotoluene
ug/L
ND
400
400
405
419
101
105
60-140
4
4-Chlorotoluene
ug/L
ND
400
400
386
398
97
100
60-140
3
Benzene
ug/L
424
400
400
842
849
104
106
60-140
1
Bromobenzene
ug/L
ND
400
400
414
426
103
106
60-140
3
Bromochloromethane
ug/L
ND
400
400
444
460
111
115
60-140
4
Bromodichloromethane
ug/L
ND
400
400
388
390
97
98
60-140
1
Bromoform
ug/L
ND
400
400
391
404
98
101
60-140
3
Bromomethane
ug/L
ND
400
400
260
317
65
79
60-140
20
Carbon tetrachloride
ug/L
ND
400
400
413
419
103
105
60-140
2
Chlorobenzene
ug/L
ND
400
400
423
430
106
108
60-140
2
Chloroethane
ug/L
ND
400
400
353
357
88
89
60-140
1
Chloroform
ug/L
ND
400
400
421
442
105
111
60-140
5
Chloromethane
ug/L
ND
400
400
318
329
80
82
60-140
3
cis-1,2-Dichloroethene
ug/L
ND
400
400
377
403
94
101
60-140
7
cis-1,3-Dichloropropene
ug/L
ND
400
400
399
431
100
108
60-140
8
Dibromochloromethane
ug/L
ND
400
400
412
426
103
106
60-140
3
Dibromomethane
ug/L
ND
400
400
427
450
107
112
60-140
5
Dichlorodifluoromethane
ug/L
ND
400
400
340
341
85
85
60-140
0
Diisopropyl ether
ug/L
118
400
400
481
508
91
98
60-140
5
Ethylbenzene
ug/L
358
400
400
778
778
105
105
60-140
0
Hexachloro-1,3-butadiene
ug/L
ND
400
400
361
370
90
92
60-140
2
Isopropylbenzene(Cumene)
ug/L
25.0
400
400
441
449
104
106
60-140
2
m&p-Xylene
ug/L
2100
800
800
2920
2890
102
99
60-140
1
Methyl-tert-butyl ether
ug/L
ND
400
400
384
401
96
100
60-140
4
Methylene Chloride
ug/L
ND
400
400
368
377
92
94
60-140
2
Results presented on this page are in
the units indicated by the
"Units" column except where
an alternate unit is presented
to the right
of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 34 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
2404037
2404038
MS
MSD
92403277001
Spike
Spike
MS
MSD
MS
MSD
% Rec
Parameter
Units
Result
Conc.
Conc.
Result
Result
% Rec
% Rec
Limits
RPD Qual
n-Butylbenzene
ug/L
ND
400
400
403
413
101
103
60-140
2
n-Propylbenzene
ug/L
ND
400
400
443
456
111
114
60-140
3
Naphthalene
ug/L
215
400
400
603
628
97
103
60-140
4
o-Xylene
ug/L
1080
400
400
1490
1480
103
101
60-140
1
sec-Butylbenzene
ug/L
ND
400
400
411
425
103
106
60-140
3
Styrene
ug/L
20.6
400
400
429
440
102
105
60-140
3
tert-Butyl benzene
ug/L
ND
400
400
348
365
87
91
60-140
5
Tetrachloroethene
ug/L
ND
400
400
393
414
98
103
60-140
5
Toluene
ug/L
2900
400
400
3260
3270
88
90
60-140
0
trans-1,2-Dichloroethene
ug/L
ND
400
400
382
413
95
103
60-140
8
trans- 1,3-Dichloropropene
ug/L
ND
400
400
381
395
95
99
60-140
4
Trichloroethene
ug/L
ND
400
400
422
428
106
107
60-140
1
Trichlorofluoromethane
ug/L
ND
400
400
404
413
101
103
60-140
2
Vinyl chloride
ug/L
ND
400
400
387
405
97
101
60-140
5
1,2-Dichloroethane-d4 (S)
%
92
93
70-130
4-Bromofluorobenzene (S)
%
97
96
70-130
Toluene-d8(S)
%
98
98
70-130
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 35 of 44

aceAnalytical
-pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 436170 Analysis Method: EPA 625.1
QC Batch Method: EPA 625.1 Analysis Description: 625 MSS
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
METHOD BLANK: 2399967 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
2-Methylnaphthalene
ug/L
ND
5.0
10/16/18 09:52
Acenaphthene
ug/L
ND
5.0
10/16/18 09:52
Acenaphthylene
ug/L
ND
5.0
10/16/18 09:52
Anthracene
ug/L
ND
5.0
10/16/18 09:52
Benzo(a)anthracene
ug/L
ND
5.0
10/16/18 09:52
Benzo(a)pyrene
ug/L
ND
5.0
10/16/18 09:52
Benzo(b)fluoranthene
ug/L
ND
5.0
10/16/18 09:52
Benzo(g,h,i)perylene
ug/L
ND
5.0
10/16/18 09:52
Benzo(k)fluoranthene
ug/L
ND
5.0
10/16/18 09:52
Chrysene
ug/L
ND
5.0
10/16/18 09:52
Dibenz(a,h)anthracene
ug/L
ND
5.0
10/16/18 09:52
Fluoranthene
ug/L
ND
5.0
10/16/18 09:52
Fluorene
ug/L
ND
5.0
10/16/18 09:52
Indeno(1,2,3-cd)pyrene
ug/L
ND
5.0
10/16/18 09:52
Naphthalene
ug/L
ND
5.0
10/16/18 09:52
Phenanthrene
ug/L
ND
5.0
10/16/18 09:52
Pyrene
ug/L
ND
5.0
10/16/18 09:52
2,4,6-Tribromophenol (S)
%
87
10-137
10/16/18 09:52
2-Fluorobiphenyl (S)
%
80
15-120
10/16/18 09:52
2-Fluorophenol (S)
%
51
10-120
10/16/18 09:52
Nitrobenzene-d5 (S)
%
81
10-120
10/16/18 09:52
Phenol-d6 (S)
%
34
10-120
10/16/18 09:52
Terphenyl-d14 (S)
%
114
11-131
10/16/18 09:52
LABORATORY CONTROL SAMPLE:
Parameter
2399968
Units
Spike
Conc.
LCS
Result
LCS
% Rec
% Rec
Limits Qualifiers
2-Methylnaphthalene
ug/L
50
38.1
76
25-150
Acenaphthene
ug/L
50
39.4
79
47-145
Acenaphthylene
ug/L
50
40.4
81
33-145
Anthracene
ug/L
50
43.9
88
27-133
Benzo(a)anthracene
ug/L
50
46.1
92
33-143
Benzo(a)pyrene
ug/L
50
46.0
92
17-163
Benzo(b)fluoranthene
ug/L
50
45.3
91
24-159
Benzo(g,h,i)perylene
ug/L
50
45.4
91
1-219
Benzo(k)fluoranthene
ug/L
50
43.8
88
11-162
Chrysene
ug/L
50
44.6
89
17-168
Dibenz(a,h)anthracene
ug/L
50
47.0
94
1-227
Fluoranthene
ug/L
50
43.4
87
26-137
Fluorene
ug/L
50
43.1
86
59-121
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 36 of 44

aceAnalytical
-pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
LABORATORY CONTROL SAMPLE:
2399968
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Indeno(1,2,3-cd)pyrene
ug/L
50
45.4
91
1-171
Naphthalene
ug/L
50
36.1
72
21-133
Phenanthrene
ug/L
50
43.2
86
54-120
Pyrene
ug/L
50
45.8
92
52-120
2,4,6-Tribromophenol (S)
%
87
10-137
2-Fluorobiphenyl (S)
%
81
15-120
2-Fluorophenol (S)
%
50
10-120
Nitrobenzene-d5 (S)
%
79
10-120
Phenol-d6 (S)
%
34
10-120
Terphenyl-d14 (S)
%
102
11-131
MATRIX SPIKE SAMPLE:
2399970
92403317008
Spike
MS
MS
% Rec
Parameter
Units
Result
Conc.
Result
% Rec
Limits Qualifiers
2-Methylnaphthalene
ug/L
ND
48.1
13.4
28
25-150
Acenaphthene
ug/L
ND
48.1
19.1
40
47-145 M1
Acenaphthylene
ug/L
ND
48.1
18.6
39
33-145
Anthracene
ug/L
ND
48.1
30.7
64
27-133
Benzo(a)anthracene
ug/L
ND
48.1
33.1
69
33-143
Benzo(a)pyrene
ug/L
ND
48.1
32.1
67
17-163
Benzo(b)fluoranthene
ug/L
ND
48.1
32.7
68
24-159
Benzo(g,h,i)perylene
ug/L
ND
48.1
31.8
66
1-219
Benzo(k)fluoranthene
ug/L
ND
48.1
31.8
66
11-162
Chrysene
ug/L
ND
48.1
32.1
67
17-168
Dibenz(a,h)anthracene
ug/L
ND
48.1
32.5
68
1-227
Fluoranthene
ug/L
ND
48.1
30.5
63
26-137
Fluorene
ug/L
ND
48.1
25.3
53
59-121 M1
Indeno(1,2,3-cd)pyrene
ug/L
ND
48.1
31.7
66
1-171
Naphthalene
ug/L
ND
48.1
11.8
25
21-133
Phenanthrene
ug/L
ND
48.1
30.6
64
54-120
Pyrene
ug/L
ND
48.1
32.4
67
52-120
2,4,6-Tribromophenol (S)
%
61
10-137
2-Fluorobiphenyl (S)
%
30
15-120
2-Fluorophenol(S)
%
16
10-120
Nitrobenzene-d5 (S)
%
25
10-120
Phenol-d6 (S)
%
11
10-120
Terphenyl-d14 (S)
%
66
11-131
SAMPLE DUPLICATE: 2399969
92403336005 Dup
Parameter Units Result Result RPD Qualifiers
2-Methylnaphthalene ug/L ND ND
Acenaphthene ug/L ND ND
Acenaphthylene ug/L ND ND
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 37 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
SAMPLE DUPLICATE: 2399969
Parameter
Units
92403336005
Result
Dup
Result
Anthracene
ug/L
ND
ND
Benzo(a)anthracene
ug/L
ND
ND
Benzo(a)pyrene
ug/L
ND
ND
Benzo(b)fluoranthene
ug/L
ND
ND
Benzo(g,h,i)perylene
ug/L
ND
ND
Benzo(k)fluoranthene
ug/L
ND
ND
Chrysene
ug/L
ND
ND
Dibenz(a,h)anthracene
ug/L
ND
ND
Fluoranthene
ug/L
ND
ND
Fluorene
ug/L
ND
ND
Indeno(1,2,3-cd)pyrene
ug/L
ND
ND
Naphthalene
ug/L
ND
ND
Phenanthrene
ug/L
ND
ND
Pyrene
ug/L
ND
ND
2,4,6-Tribromophenol (S)
%
75
87
2-Fluorobiphenyl (S)
%
74
81
2-Fluorophenol(S)
%
41
45
Nitrobenzene-d5 (S)
%
71
79
Phenol-d6 (S)
%
27
31
Terphenyl-d14 (S)
%
59
73
RPD Qualifiers
12
7
6
8
14
18
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 38 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA
Project: Kloekner Metals
Pace Project No.: 92403336
QC Batch: 436360 Analysis Method: MADEP EPH
QC Batch Method: MADEP EPH Analysis Description: MADEP EPH NC Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
METHOD BLANK: 2400790 Matrix: Water
Associated Lab Samples: 92403336001, 92403336002, 92403336003, 92403336004, 92403336005, 92403336006
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Aliphatic (C09-C18)
ug/L
ND
100
10/22/18 07:25 N2
Aliphatic (C19-C36)
ug/L
ND
100
10/22/18 07:25 N2
Aromatic (C11-C22)
ug/L
ND
100
10/22/18 07:25 N2
2-Bromonaphthalene (S)
%
73
40-140
10/22/18 07:25
2-Fluorobiphenyl (S)
%
76
40-140
10/22/18 07:25
Nonatriacontane (S)
%
81
40-140
10/22/18 07:25
o-Terphenyl (S)
%
59
40-140
10/22/18 07:25
LABORATORY CONTROL SAMPLE & LCSD:
2400791
2400792
Spike
LCS
LCSD
LCS
LCSD
% Rec Max
Parameter
Units
Conc.
Result
Result
% Rec
% Rec
Limits RPD RPD Qualifiers
Aliphatic (C09-C18)
ug/L
300
151
216
50
72
40-140 35 50 N2
Aliphatic (C19-C36)
ug/L
400
203
277
51
69
40-140 31 50 N2
Aromatic (C11-C22)
ug/L
850
435
521
51
61
40-140 18 50 N2
2-Bromonaphthalene (S)
%
70
64
40-140
2-Fluorobiphenyl (S)
%
69
69
40-140
Nonatriacontane (S)
%
62
80
40-140
o-Terphenyl(S)
%
57
62
40-140
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC.
Page 39 of 44

Pace Analytical Services, LLC
ceAnalX cal ® 9800 Kiney Ave. Suite 100
Huntersville, NC 28078078
www.pacelabs.com [phone]
QUALIFIERS
Project: Kloekner Metals
Pace Project No.: 92403336
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean -Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI -The NELAC Institute.
LABORATORIES
PASI-A Pace Analytical Services - Asheville
PASI-C Pace Analytical Services - Charlotte
ANALYTE QUALIFIERS
M1 Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.
N2 The lab does not hold NELAC/TNI accreditation for this parameter.
P2 Re -extraction or re -analysis could not be performed due to insufficient sample amount.
P4 Sample field preservation does not meet EPA or method recommendations for this analysis.
SO Surrogate recovery outside laboratory control limits.
S2 Surrogate recovery outside laboratory control limits due to matrix interferences (confirmed by similar results from sample
re -analysis).
S3 Surrogate recovery exceeded laboratory control limits. Analyte presence below reporting limits in associated sample.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 10/25/2018 05:06 PM without the written consent of Pace Analytical Services, LLC. Page 40 of 44

aceAnalytical
—pacelabs.com
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project:
Pace Project No.:
Kloekner Metals
92403336
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch
Analytical Method
Batch
92403336001
MW-2
MADEP EPH
436360
MADEP EPH
437548
92403336002
MW-3
MADEP EPH
436360
MADEP EPH
437548
92403336003
MW-4
MADEP EPH
436360
MADEP EPH
437548
92403336004
RW-1
MADEP EPH
436360
MADEP EPH
437548
92403336005
DW-1
MADEP EPH
436360
MADEP EPH
437548
92403336006
DW-1-a
MADEP EPH
436360
MADEP EPH
437548
92403336001
MW-2
MADEP VPH
437346
92403336002
MW-3
MADEP VPH
437346
92403336003
MW-4
MADEP VPH
437346
92403336004
RW-1
MADEP VPH
437346
92403336005
DW-1
MADEP VPH
437346
92403336006
DW-1-a
MADEP VPH
437521
92403336001
MW-2
EPA 3010A
436119
EPA 6010D
436143
92403336002
MW-3
EPA 3010A
436119
EPA 6010D
436143
92403336003
MW-4
EPA 3010A
436119
EPA 6010D
436143
92403336004
RW-1
EPA 3010A
436119
EPA 6010D
436143
92403336005
DW-1
EPA 3010A
436119
EPA 6010D
436143
92403336006
DW-1-a
EPA 3010A
436119
EPA 6010D
436143
92403336001
MW-2
EPA 3010A
436425
EPA 6010D
436441
92403336002
MW-3
EPA 3010A
436425
EPA 6010D
436441
92403336003
MW-4
EPA 3010A
436425
EPA 6010D
436441
92403336004
RW-1
EPA 3010A
436425
EPA 6010D
436441
92403336005
DW-1
EPA 3010A
436425
EPA 6010D
436441
92403336006
DW-1-a
EPA 3010A
436425
EPA 6010D
436441
92403336001
MW-2
EPA 625.1
436170
EPA 625.1
436370
92403336002
MW-3
EPA 625.1
436170
EPA 625.1
436370
92403336003
MW-4
EPA 625.1
436170
EPA 625.1
436370
92403336004
RW-1
EPA 625.1
436170
EPA 625.1
436370
92403336005
DW-1
EPA 625.1
436170
EPA 625.1
436370
92403336006
DW-1-a
EPA 625.1
436170
EPA 625.1
436370
92403336001
MW-2
SM 6200B
436679
92403336002
MW-3
SM 6200B
436679
92403336003
MW-4
SM 6200B
436679
92403336004
RW-1
SM 6200B
437017
92403336005
DW-1
SM 6200B
436679
92403336006
DW-1-a
SM 6200B
436679
Date: 10/25/2018 05:06 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 41 of 44

Document Name:
Sample Condition Upon Receipt(SCUR)_
Document Revised: February 7, 2018
Page I of 2
Document No.:
F-CAR-CS-033-Rev.06
15suing Authority�
Paffe CYColirra—s Q—uality-OfflIc-e—
Laboratory receiving samples:
Asheville F-I Eden[—] Greenwood L] Huntersville ZF Raleigh[] MechanicsvilleE]
SampleCondition ClientNarne: I WO#:92403336
Upon Receipt A Le Project
Courier: E]Fed Ex CUPS [JUSPS ��Clierit
F1 Commercial OPace E]Other:— 92403336
Custody Seal Present? [3yes Dho Seais Intact? Dyes No
P Date/InIfiels Person Examining Coritents:
L12KII
Packing Material: Bu b ble Wra p (%Bu bble Bags F]None [:] Other alologIcal Tissue Frozen?
Elyes ;bNo E)N/A
Thermometer: Type of Ice: ,E]—Wet [:]B[Lre E]None
Zh Gun ll)�. 92TO45 11—
cooler Temp ('C): 5. li Correction Factor: Add/Subtract (*C) Temp should be above freezing to VC
Cooler Temp Corrected (*C): E]Samples out of temp criteria. Samples on ice, cooling process
bas begun
USDA Regulated Sall (�N/A, water sample)
Did samples originate in a quarantlne zone within the United States; CA, NY, or SC (check maps)? Did sarnples originate from a foreign source (internationalIV,
F-1— Mm- iArIm)dInP 14Awnii ;ind kiprfn 11irol) F­lYps FINo
Cam ments/Dl scre pancy:
Chain of Custody Present?
EfV!
[]NO
r7NIA
I.
Samples Arrived within Hold Time?
oTm
E]No
[--) N/A
2.
Short Hold Tlnne Analysis 1<72 hr.)?
C]Yes
ONQ
EIN/A
3.
Rush Turn Around Time Requested?
-[:]yes
Q! Co
[:] N/A
4.
Sufficient Volume7
MYt-s
E]No
EN/A
5.
Correct Containers Used?
-Pace- Cantainers Used?
p[Ire—s
�es
E]No
[JNo
[:)NIA
EIN/A
6.
Containers Intact'
EJ'res
C]No
ONJA
7.
Dissolved analysis; Samples Field Filtered?
[]yes
Q�Lo
EPA
0.
Sample Labels Match COC?
-includes Date/Time/ID/Analysis Matrix:
E[Te-5
S'�Z-�—
[]NO
CINJA
9.
Headspace in VOA Vials (>5-GmmJ?
[]Yes
Bff-o-
E]N/A
10,
Trip Blank Present?
Trip Blank Custody Seals Present?
oYes
Elyes
gKo
2 'N.
E]N/A
EIN/A
11.
COMMENTS/5AI'VIPLE D15CREPANCY
Lotl"f split containers -
CLIENT NOTIFICATION/RESOLUTION
Person contacted:
Project Manager SCURF Review:
Project Manager SRF Review
Date/Time:
Field Data Required7 [:]Yes [:]No
Date: /o/'i;'/ W
Date: / L) I 's- I ��'
Page 42 of 44

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Document Name:
Sample Condition Upon Recelpt(SCUR)
Document Revised: February 7, 2018
Page 1 of 2
Document No.:
f•CAR•CS-033-Rev,06
Issuing Authority:
Pace Carolinas-QualityQffice
11
*Check mark top half of box if pH and/or dechlorination Is
verified and aulthin the acceptance range for preservation
samples,
Exceptions: VOA, Coliform, TOC, Oil and Grease, ORO/8015 (water) DOC, LLHg
"Bottom half of box is to list number of bottle
Project# WO# : 92403336
PM: NMG Due Date: 10/19/18
CLIENT: 92-AECOM CHA
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PH Adjustment Log for Preserved Samples
Sample ID Type of Preservative I pH upon receipt Date preservation adjusted Time preservatlon Amount of Preservative tat k
adjusti I added
Note: Whenever there is a discrepancy affecting North Caraiina compliance samples, a copy of this form will be sent to the North Carolina DEHNR Certification Office (i.e
Out of hold, incorrect preservative, out of temp, incorrect containers.
Page 43 of 44

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