1302_Cabarrus_MSWLF_Unit1_March21GW_FID1584441_20210526

Cabarrus County Sanitary
Landfill — Unit 1
Semi -Annual Sampling Report
Facility Permit # 1302-MSWLF-1974
(March 2021 Sampling Event)
repared May 2021

I pENR USE ONLY: I I LlPaper Report UElectronic Data - Email CD (data loaded: Yes / No Doc/Event #:
NC DENR I I Environmental Monitoring
Division of Waste Management - Solid Waste Reporting Form
Notice: This form and any information attached to it are "Public Records" as defined in NC General Statute 132-1. As such, these documents are
available for inspection and examination by any person upon request (NC General Statute 132-6).
Instructions:
• Prepare one form for each individually monitored unit.
• Please type or print legibly.
• Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 2B surface water standards. The notification
must include a preliminary analysis of the cause and significance of each value. (e.g_ naturally occurring, off -site source, pre-existing
condition, etc.)_
• Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits.
• Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the
facility (NCAC 13B .1629 (4)(a)(i).
• Send the original signed and sealed form, any tables, and Electronic Data Deliverable to: Compliance Unit, NCDENR-DWM, Solid Waste
Section, 1646 Mail Service Center, Raleigh, NC 27699-1646.
Solid Waste Monitoring Data Submittal Information
Name of entity submitting data (laboratory, consultant, facility owner):
Consultant - CDM Smith Inc.
Contact for questions about data formatting. Include data preparers name, telephone number and E-mail address:
Name: Mathew F. Colone Phone: [phone]
E-mail: colonemfOcdmsmith.com
NC Landfill Rule: Actual sampling dates (e.g.,
Facility name: Facility Address: Facility Permit # (.0500 or .1600) October 20-24, 2006)
Cabarrus County Landfill Unit 1
4441 Irish Potato Road
Concord, North Carolina 28025
1302-MSWLF-
1974
.0500
March 16-19, 2021
Environmental Status: (Check all that
apply)
❑
Initial/Background Monitoring
❑X
Detection Monitoring
Assessment Monitoring
Corrective Action
of data submitted: (Check all that apply)
Groundwater monitoring data from monitoring wells
Groundwater monitoring data from private water supply wells
Leachate monitoring data ❑
Surface water monitoring data
Methane gas monitoring data
Corrective action data (specify)
Other(specify)
Notification attached?
No. No groundwater or surface water standards were exceeded.
RX Yes, a notification of values exceeding a groundwater or surface water standard is attached. It includes a list of groundwater and surface water
monitoring points, dates, analytical values, NC 2L groundwater standard, NC 2B surface water standard or NC Solid Waste GWPS and
preliminary analysis of the cause and significance of any concentration.
El Yes, a notification of values exceeding an explosive methane gas limit is attached. It includes the methane monitoring points, dates, sample
values and explosive methane gas limits.
Certification
To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct.
Furthermore, 1 have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas
levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there
are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment.
Mathew F. Colone Consultant [phone]
FacHo Representa a ame (Print) Title (Area Code) Telephone Number
Affix NC Licensed/ Profession Ged ist Seal
ff
Signature Date
5400 Glenwood Avenue, Suite 400, Raleigh, North Carolina 27612
Facility Representative Address
F-0412
NC PE Firm License Number (if applicable effective May 1, 2009)
Revised 6/2009
i.
A
6`
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Smith
5400 Glenwood Avenue, Suite 400
Raleigh, North Carolina 27612
tel: [phone]
fax: [phone]
May 26, 2021
Ms. Jaclynne Drummond
North Carolina Department of Environmental Quality
Division of Waste Management
Solid Waste Section
2090 U.S. 70 Highway
Swannanoa, North Carolina 28778
Subject: March 2021 Semi -Annual Sampling Report
Cabarrus County Unit 1 Landfill
Facility Permit No. 1302-MSWLF-1974
Dear Ms. Drummond:
CDM Smith Inc., on behalf of Cabarrus County, is submitting an electronic copy of the March 2021
semi-annual sampling report for the recent event completed at the Cabarrus County Unit 1 Landfill
(Unit 1 Landfill). This letter report constitutes the first semi-annual sampling event for 2021. The
approved monitoring well network consists of compliance wells MW-5, -7, -8A, -10, -11, and
background wells CD -Is and -1d. The monitoring network also includes surface water sample locations
SW-1 and -2. Field activities and sampling results for the groundwater and surface water samples are
discussed below.
Field Activities
Groundwater and surface water samples from the Unit 1 Landfill were collected on March 16-19,
2021. Groundwater samples were collected from the monitoring wells by use of disposable,
laboratory decontaminated bailers. Monitoring well and surface water sample locations for the Unit 1
Landfill are provided on Figure 1.
Groundwater elevations were measured at each well prior to sampling and are presented in Table 1.
Well construction details for each monitoring well are also provided in Table 1. These groundwater
elevations were used to construct potentiometric contours for this sampling event and are presented
on Figure 1. After depth to groundwater was measured, each well was purged prior to sampling to
provide fresh formation water within the well water column. Each purge volume was measured for
pH, conductivity, turbidity, temperature, dissolved oxygen, and oxidation-reduction potential using a
YSI-556 multi -parameter water quality meter and a HANNA HI 98703 turbidity meter. The water
quality parameters at the time of sampling are presented in Table 2.
Of
WATER + ENVIRONMENT +TRANSPORTATION + ENERGY + FACILITIES

Smith
Ms. Jaclynne Drummond
May 26, 2021
Page 2
Sampling Results
Pace Analytical Services, LLC, located in West Columbia, South Carolina, analyzed the groundwater
and surface water samples for North Carolina Appendix I volatile organic compounds (VOCs) and
metals. In a letter dated May 28, 2019, the Solid Waste Section (SWS) requested that all groundwater
and surface water samples collected from landfills be analyzed for 1,4-dioxane after July 1, 2018. On
July 1, 2019, the SWS approved the removal of 1,4-dioxane from the sampling program for CD-1s and
-1d due to two consecutive non -detect events (January and May 2019). Samples were collected from
MW-5, -7, -8A, -10, -11, and SW-1 and -2 during the March 2021 sampling event and analyzed for 1,4-
dioxane due to previous detections of 1,4-dioxane. Sample results are provided below.
The analytical results were reported to the laboratory specific method detection limit (MDL) and are
quantifiable at or below the method reporting limit (MRL). All monitoring wells for the Unit 1 Landfill
had detections of analytes above the MDL but below the MRL. These detections were qualified as
estimated or "J" flags.
The following list indicates the VOCs and metals detected above the MRL at each sampling location.
No "J" flag detections are provided. Underlined analytes exceeded the 15A NCAC 02L .0202 (NC 2L)
Groundwater Standard, Interim Maximum Allowable Concentration (IMAC), or 15A NCAC 02B .0211 or
North Carolina In -Stream Target Value Surface Water Quality Standards for Class C Waters. A
complete summary of all detected and estimated concentrations from the May 2011 through the
March 2021 sampling events is presented in Table 3. Laboratory data reports are provided in
Appendix A.
CD-1s (Background)
Metals:
Volatile Organic Compounds
CD-1d (Background)
Metals:
Volatile Organic Compounds
MW-5
Metals:
Barium
None Detected
Barium
None Detected
Barium, Cobalt, Nickel, Selenium
Volatile Organic Compounds: Chlorobenzene, 1,4-Dichlorobenzene, 1,4-Dioxane
MW-7
Metals: Arsenic, Barium, Cobalt, Nickel, Selenium
Volatile Organic Compounds: Benzene, Chlorobenzene, 1,2-Dichlorobenzene, 1,4-Dichlorobenzene,
1,4-Dioxane
0

Smith
Ms. Jaclynne Drummond
May 26, 2021
Page 3
MW-8A
Metals:
Volatile Organic Compounds
MW-10
Metals:
Volatile Organic Compounds
MW-11
Metals:
Volatile Organic Compounds:
SW-1
Metals:
Volatile Organic Compounds
SW-2
Metals:
Volatile Organic Compounds
Barium, Cobalt, Nickel
None Detected
Arsenic, Barium, Beryllium, Cobalt, Nickel
Benzene, Chlorobenzene, 1,2-Dichlorobenzene, 1,4-Dichlorobenzene,
IA-Dioxane
Barium, Cobalt
None Detected
Barium, Lead, Nickel, Zinc
None Detected
Barium, Copper, Lead, Vanadium
None Detected
"J" flags were not included in the previous list, but several locations had "J" flag detections that
exceeded the standards. These constituents along with their location are listed below.
Cobalt: SW-1
Copper: SW-1
Vanadium: CD-1s, -1d, MW-7, -10, and -11
A trip blank and a duplicate sample were analyzed for quality control. The trip blank had no detections
above the MDLs. The duplicate sample, identified as DUP, was collected from MW-11, and had similar
analyte concentrations as those detected in MW-11.
Metals detected above the standards are likely naturally occurring based on concentrations in the
background monitoring wells or are from elevated turbidity at the time of sample collection. VOCs
detected above the standards in several of the compliance wells will continue to be monitored. Table
4 presents a summary of all analytes detected during the March 2021 sampling event that exceeded
the NC 2L Groundwater Standards or IMACs. The next semi-annual sampling event will be completed
in the fall of 2021.
tD

cSmith
Ms. Jaclynne Drummond
May 26, 2021
Page 4
If you have any questions or require further explanation, do not hesitate to call me at [phone]
or by email at [e-mail].
Very truly yours,
Mathew F. Colone, P.G.
CDM Smith Inc.
cc: Kevin Grant, Cabarrus County
0

Table 1
Monitoring Well Construction Summary and Groundwater Elevations
March 2021 Semi -Annual Sampling Event
Unit 1- Cabarrus County Landfill
Facility Permit Number 1302-MSWLF-1974
Notes:
1. BTOC - Below Top of Casing
2. bgs - Below Ground Surface
3. PWR - Partially Weathered Rock
CDM
Smith Page 1 of 1 May 2021

Table 2
Water Quality Measurements
March 2021 Semi -Annual Sampling Event
Unit 1- Cabarrus County Landfill
Facility Permit Number 1302-MSWLF-1974
Water Quality Measurements
Facility Permit Monitoring Well Code Dissolved
ORP
Number pH Conductivity Temperatures) Turbidity
(S.U.) (PS/cm) (degrees Celsiu (NTUs) Oxygen (MVS)
CD-1s
1302-MSWLF-1974 6.10 137 14.1 8 3.98 -91.2
(background well)
CD-1d
1302-MSWLF-1974
6.04
119
14.1
9
5.04
-68.8
(background well)
1302-MSWLF-1974
MW-5
6.21
1,575
13.5
7
2.88
-224.4
1302-MSWLF-1974
MW-7
6.32
2,862
13.5
9
0.68
-115.1
1302-MSWLF-1974
MW-8A
6.01
421
13.8
6
0.56
-132.2
1302-MSWLF-1974
MW-10
6.63
1,649
14.0
10
2.46
-244.3
1302-MSWLF-1974
MW-11
6.14
998
13.7
8
0.51
-160.2
Surface Water Sample Locations
1302-MSWLF-1974
SW-1
7.19
232
11.5
38
8.81
-126.0
1302-MSWLF-1974
SW-2
7.22
347
11.2
25
7.91
-117.8
Notes:
1. Water quality measurements were collected on March 16-19, 2021.
2. µS/cm - Microsiemens per centimeter
3. mg/L - Milligrams per liter
4. ORP - Oxidation -Reduction Potential
5. NTUs - Nephelometric Turbidity Units
6. mVs - Millivolts
7. S.U. - Standard Units
Smith Page 1 of 1 May 2021

Table 3a
Detected Groundwater Constituents - Metals
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 Landfill
Facility Permit Number 1302-MSWLF-1974
CDM
Smith 1 of 7 May 2021

Table 3a
Detected Groundwater Constituents - Metals
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 Landfill
Facility Permit Number 1302-MSWLF-1974
MW-5
8-Nov-11
1.981
108
0.19BJ
0.11J
0.54J
12
4.39J
0.38J
37.7J
3.43J
10.1
MW-5
9-May-12
0.191
29.2J
0.14J
3.22BJ
0.78J
5.95BJ
0.811
6.22J
0.92J
2.40J
9.64BJ
MW-5
28-Nov-12
0.29J
4.57J
173
0.08J
21.8
2.85J
0.13J
46.2J
3.45J
6.66J
MW-5
10-May-13
34.1
0.15J
0.07J
1.94J
6.00J
4.61J
0.46J
16.4J
5.15J
4.12J
6.79J
MW-5
5-Nov-13
1.02J
160
0.08J
16.6
2.88J
0.40J
39.8J
2.83J
7.59J
5.90BJ
MW-5
6-May-14
2.41J
91.8J
0.05J
0.091
11.8
2.84J
0.34BJ
23.1J
8.85J
5.26J
MW-5
4-Nov-14
5.38J
173
19.5
2.61J
0.41J
52.2
3.88J
3.77J
3.16E-01,J
MW-5
5-May-15
2.39J
93.2B-01,J
18.8
2.59J
0.41J
29.1J
3.91J
3.83B-01,J
MW-5
27-Oct-15
5.49J
163
0.101
16.3
1.97J
0.33J
47.9J
2.72J
3.01CN,J
2.18J
3.22J
MW-5 (dup)
27-Oct-15
5.60J
174
0.16J
16.5
2.32J
0.64J
48.4J
3.38J
3.53CN,J
3.35J
5.08J
1302-MSWLF-1974
MW-5
17-May-16
1.40J
158
0.74J
18.7
1.17J
0.181
36.1
1.001
2.42J
MW-5
1-Nov-16
1.75J
166
1.091
19.3
0.63J
0.20J
47.1J
3.28J
MW-5
9-May-17
0.95J
91.01
0.15J
0.08J
1.59J
2.22J
0.77J
26.5J
1.56J
3.67J
3.83J
MW-5
31-Oct-17
1.981
165
1.14J
19.4
1.101
0.33J
43.5J
5.18J
MW-5
6-Jun-18
2.4J
198
0.069J
26.9
0.28J
46.6J
4.3J
MW-5
20-Dec-18
102
14.5
2.2J
0.32J
24.3J
5.9J
MW-5
8-May-19
0.62J
144
0.13J
0.901
19.3
4.8J
0.29J
41.3
1.7J
9.5JB
MW-5
5-Nov-19
0.70J
1.11
164
0.95J
18.1
1.2JB
0.25J
46.3
1.6J
7.6JB
MW-5
19-May-20
1.3JB
161
0.86J
17.5
0.84J
0.24J
43.5
1.11
4.7J
MW-5
25-Sep-20
0.92J
2.0
55
0.53
5.0
3.5J
6.3
2.5
12
2.8J
12
20
MW-5
16-Mar-21
150
8.6
2.3J
0.37J
35
5.9
3.3J
MW-7
8-Nov-11
0.16BJ
0.07BJ
62.1
1.70J
13.OJ
0.08J
6.97J
MW-7
9-May-12
0.23J
9.14J
764
0.101
0.30J
0.74BJ
29.5
3.15BJ
1.111
85.5
5.36J
6.03J
17.7E
MW-7
28-Nov-12
0.53J
9.85J
437
45.9
1.27J
30.4J
5.01J
MW-7
10-May-13
6.73J
300
0.08J
49.1
1.96J
0.46J
11.0J
0.79J
0.091
6.36J
MW-7
5-Nov-13
448
0.12J
0.41J
45.4
2.57J
1.33J
33.2J
2.71J
13.5J
6.79BJ
MW-7
6-May-14
9.34J
460
0.20J
0.79J
2.23BJ
47.6
4.39J
4.55BJ
44.4J
5.94J
16
17.3
MW-7
4-Nov-14
5.74J
391
0.13J
46.0
1.54J
0.41J
31.9J
1.69J
0.991
1.98B-01,J
MW-7
5-May-15
5.77J
398B-01,J
0.31J
49.4
2.35J
1.21J
31.2J
3.52J
3.23E-01,J
MW-7
27-Oct-15
10.1
323
48.2
0.67J
0.091
11.91
1.25CN,J
0.07J
3.54J
MW-7
17-May-16
0.26J
3.90J
646
0.33J
1.38
6.26J
45.2
5.79J
7.01J
76.8
3.46J
0.13J
23.2
12.4
MW-7 (dup)
17-May-16
0.26J
4.08J
604
0.32J
1.37
5.64J
47.6
5.73J
6.13J
63.1
3.03J
0.13J
21.3
13.1
1302-MSWLF-1974
MW-7
1-Nov-16
2.33J
390
0.14J
51.9
0.27J
27.4J
2.24J
3.08J
MW-7
9-May-17
2.86J
0.36J
48.8
0.30J
0.38J
18.4J
2.32J
0.091
MW-7
31-Oct-17
3.17J
383
0.70J
42.3
0.43J
0.45J
25.OJ
0.07J
2.04J
MW-7
6-Jun-18
4.OJ
551
42.1
0.76J
45.7J
5.8J
MW-7
20-Dec-18
3.1J
451
43.5
37.8J
11.5
MW-7
8-May-19
1.6J
606
0.61J
35.1
0.35J
0.12J
77.6
1.11
4.6JB
MW-7 (dup)
8-May-19
1.2J
603
0.85J
34.0
0.75J
0.27J
77.1
1.7J
1.8J
7.2JB
MW-7
4-Nov-19
0.32J
5.0
320
0.44J
40.2
0.24JB
0.065J
9.9
0.066J
6.8JB
MW-7(dup)
4-Nov-19
4.1J
304
38.3
0.067J
9.4
0.060J
6.8JB
MW-7
19-May-20
1.6J
646
1.01
35.0
0.78J
0.32J
82.6
2.9J
0.086J
4.4J
MW-7
24-Sep-20
2.8
610
27
77
64
2.6J
MW-7
16-Mar-21
2.0
750
25
110
95
4.3J
CDM
Smith 2 of 7 May 2021

Table 3a
Detected Groundwater Constituents - Metals
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 Landfill
Facility Permit Number 1302-MSWLF-1974
MW-8A
8-Nov-11
0.42BJ
112
0.07BJ
0.951
16.3
24.1
0.46J
52.5
1.59J
178
MW-8A
9-May-12
0.30J
59.4J
1.12J
13.2
5.78J
0.47J
34.6J
93.6B
MW-8A
28-Nov-12
2.10J
80.11
0.38J
5.45J
5.17J
0.35J
10.7J
1.82J
5.80J
28.6
MW-8A
7-May-13
0.30J
1.08BJ
48.7J
0.20J
7.54J
6.18J
0.29J
9.81J
5.16J
31.4
MW-8A
5-Nov-13
0.34J
64.6J
0.20J
5.64J
6.72J
0.39J
10.6J
2.21J
14.7J
24.1B
MW-8A
6-May-14
41.7J
0.07J
7.88J
3.84J
0.08BJ
6.00J
1.87J
4.27J
13.1
MW-8A
4-Nov-14
64.6J
0.17J
5.76J
8.18J
0.27J
11.4J
5.66J
4.62J
17.2B-01
MW-8A
5-May-15
31.4B-01,J
5.88J
3.51J
5.91J
2.86J
7.41B-01,J
MW-8A
27-Oct-15
54.4J
0.18J
11.2
10.4
0.12J
17.5J
2.17J
2.80CN,J
47.8
MW-8A
17-May-16
35.8J
0.12J
8.08J
4.03J
9.05J
27.2
MW-8A
1-Nov-16
61.8J
0.14J
18.7
4.40J
0.181
27.9J
119
1302-MSWLF-1974
MW-8A (dup)
1-Nov-16
64.4J
0.16J
20.1
4.34J
0.15J
28.5J
125
MW-8A
9-May-17
3.84J
1.16J
66.OJ
2.43
0.66J
12.9
58.5
16.2
80.7
6.40J
247
MW-8A
31-Oct-17
1.991
2.77J
88.7J
0.87J
0.67J
13.0
29.3
13.5
30.5J
0.06J
3.65J
241
MW-8A
6-Jun-18
2.7J
0.94J
65.5J
0.059J
0.59J
11.1
29.0
3.OJ
84.5
4.4J
490
MW-8A (dup)
6-Jun-18
2.8J
1.0J
69.7J
0.075J
0.86J
10.9
30.5
3.4J
86.6
5.4J
530
MW-8A
21-Dec-18
2.6J
2.7J
104
1.1
8.OJ
25.9
7.5J
45.OJ
4.4J
246
MW-8A
8-May-19
3.5J
2.3J
77.9
0.67
6.1
11.8
2.2
33.2
3.6J
88.1
MW-8A
5-Nov-19
1.5J
173
0.111
4.1
13.3
28.1B
1.9
189
0.086J
4.OJ
671
MW-8A
19-May-20
4.1J
0.62J
91.1
0.24J
0.93J
8.3
22.1
2.5
94.7
0.16J
2.OJ
260
MW-8A (dup)
19-May-20
4.OJ
0.57J
91.8
0.23J
0.79J
8.7
21.0
2.9
96.5
0.069J
2.5J
277
MW-8A
24-Sep-20
0.76J
1.5J
120
0.31J
16
13
1.7
90
2.6J
15
MW-8A
18-Mar-21
94
12
1.4J
0.25J
59
6.2J
MW-10
8-Nov-11
0.25BJ
14.7
219
0.47BJ
25.1
4.09J
123
6.66J
0.11J
5.22J
MW-10
9-May-12
0.23J
24.5
194
0.40J
0.78J
36.8
3.59J
0.13J
168
9.44J
2.25J
6.20BJ
MW-10
28-Nov-12
0.33J
16.8
193
0.41J
0.72J
25.9
3.26J
0.25J
129
8.60J
0.24J
2.33J
MW-10
10-May-13
0.25J
16.7
174
0.51J
1.98J
32.6
4.10J
0.37J
153
7.77J
0.07J
5.10J
MW-10
5-Nov-13
0.37J
10.6
195
0.49J
22.8
3.64J
0.30J
111
6.99J
0.15J
13.9J
5.28BJ
MW-10
6-May-14
15.4
165
0.41J
33.8
3.09J
0.21BJ
146
8.01J
6.05J
2.42J
MW-10
4-Nov-14
16.2
166
0.53J
1.31B-01,J
25.5
3.59J
1.27J
122
7.15J
5.42J
5.77E-01,J
MW-10
5-May-15
17.1
157B-01
0.48J
29.2
2.64J
0.42J
140
10.4
2.24J
2.76E-01,J
MW-10
27-Oct-15
0.25J
12.8
167
0.52J
25.2
2.52J
0.26J
122
6.91J
2.56CN,J
0.10J
2.96J
2.47J
MW-10
17-May-16
16.7
166
0.39J
1.67J
31.6
0.72J
0.21J
147
1.06J
3.21J
2.88J
MW-10
1-Nov-16
14.6
157
0.49J
1.98
32.2
0.71J
0.27J
146
3.71J
1302-MSWLF-1974
MW-10
9-May-17
7.93J
138
0.29J
1.81J
20.9
1.28J
0.35J
92.0
1.63J
0.06J
2.87J
2.74J
MW-10
31-Oct-17
15.7
162
0.54J
2.82J
27.1
0.56J
133
0.101
MW-10
6-Jun-18
15.5
170
0.35J
3.6J
26.1
0.67J
120
8.2J
MW-10
20-Dec-18
23.5J
3.7J
8.OJ
3.1J
MW-10 (dup)
20-Dec-18
22.1J
3.4J
7.6J
2.5J
MW-10
8-May-19
14.1
116
0.22J
1.3J
20.9
3.6J
0.101
123
1.6J
4.OJB
MW-10
5-Nov-19
12.0
172
0.38J
1.6J
22.6
0.47J
0.21J
95.3
0.068J
4.5J
8.4J
MW-10
19-May-20
15.4
131
0.36J
1.3J
27.0
0.49J
0.15J
126
0.054J
2.1J
2.4J
MW-10
24-Sep-20
27
140
0.35J
1.7J
27
0.61J
130
4.6J
2.8J
MW-10 (dup)
24-Sep-20
27
140
0.45
1.8J
27
0.58J
130
4.8J
2.9J
MW-10
16-Mar-21
36
130
0.75
2.8J
28
2.OJ
0.82J
120
4.OJ
4.7J
4.2J
CDM
Smith 3 of 7 May 2021

Table 3a
Detected Groundwater Constituents - Metals
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 Landfill
Facility Permit Number 1302-MSWLF-1974
Notes:
1. All units are in micrograms per liter (parts per billion).
2. * - Interim Maximum Allowable Concentration (IMAC)
3. dup - Duplicate Sample
4. J - Indicates the analytical result is an established concentration between the method detection limit and the adjusted reporting limit.
5. B, B-01- The analyte concentration detected in the method blank was greater than the method detection limit.
6. CN - Detected silver concentrations were determined to be the result of contamination from the preservative acid.
- Concentration exceeds the 15A NCAC 02L .0202 (North Carolina 2L) or IMAC Standard
- Indicates the result is below the detection limit.
CDM
Smith 4 of 7 May 2021

Table 3b
Detected Groundwater Constituents - Volatile Organic Compounds
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 landfill
Facility Permit Number 1302-MSWLF-1974
LU
CD-1s 8-Nov-11
CD-1s 27-Nov-12 0.41 0.2J
CD-1s 7-May-13
CD-1s 5-Nov-13
CD-1s 6-May-14
CD-1s 4-Nov-14
CD-1s 5-May-15
CD-1s 27-Oct-15
CD-1s 17-May-16
1302-MSWLF-1974 CD-1s 1-Nov-16
CD-1s 9-May-17
CD-1s 31-Oct-17
CD-1s 11-Jun-18
CD-1s 17-Dec-18 1.2
CD-1s 7-May-19
CD-1s 6-Nov-19
CD-1s 18-May-20
CD-1s 23-Sep-20
CD-1s 17-Mar-21
CD -Id
8-Nov-11
CD-1d
27-Nov-12
CD-1d
7-May-13
CD-1d
5-Nov-13
CD-1d
6-May-14
CD-1d
4-Nov-14
CD-1d
5-May-15
CD-1d
27-Oct-15
CD -Id
17-May-16
1302-MSWLF-1974
CD -Id
1-Nov-16
CD -Id
31-Oct-17
CD-1d
12-Jun-18
CD-1d
17-Dec-18
CD-1d
7-May-19
CD-1d
5-Nov-19
CD-1d
18-May-20
CD-1d
22-Sep-20
CD-1d
16-Mar-21
MW-5
7-Nov-11
0.8J
7.6
6.2
MW-5
8-May-12
0.3J
MW-5
27-Nov-12
1.3
18
0.6BJ
14
0.3J
0.2J
MW-5
9-May-13
1.7J
0.1
4.2
3.4
MW-5
4-Nov-13
1.5
18
0.6J
13
0.6J
MW-5
5-May-14
1.01
11
0.3J
7.4
MW-5
3-Nov-14
1.6
23
0.7J
16
0.2J
MW-5
4-May-15
0.91
16
0.5J
10
MW-5
26-Oct-15
1.1
21
0.6J
14
MW-5 (dup)
26-Oct-15
1.0
20
0.6J
13
1302-MSWLF-1974
MW-5
16-May-16
1.2
19
0.5J
12
MW-5
31-Oct-16
1.4
26
0.7J
15
2.6J
MW-5
8-May-17
0.8J
16
9.1
MW-5
30-Oct-17
1.2
23
0.5J
14
MW-5
6-Jun-18
1.1
21.6
0.60J
12.3
1.5
MW-5
20-Dec-18
0.52J
12.4
5.9
87.7
MW-5
7-May-19
1.2
18.2
9.9
142
MW-5
4-Nov-19
1.5
29.2
0.6J
14.1
142
5.1J
MW-5
19-May-20
0.62J
126
3.2J
MW-5
25-Sep-20
0.79
0.44J
15
MW-5
16-Mar-21
1.6
0.75
70
MW-7
7-Nov-11
2.3
24
0.8J
13
0.8J
0.5J
0.6J
1.11
MW-7
8-May-12
0.91
11
0.8J
8.5
0.6J
1.0J
0.4J
MW-7
27-Nov-12
2.3
29
0.881
14
0.7J
0.3J
0.4J
0.5J
MW-7
9-May-13
1.8J
2.2
24
0.8J
15
0.7J
0.3J
0.4J
6.3
MW-7
5-Nov-13
1.4
17
0.8J
11
0.6J
0.5J
0.4J
MW-7
5-May-14
1.7
16
0.6J
13
0.7J
0.4J
0.3J
MW-7
3-Nov-14
1.6
29
0.91
14
0.5J
0.2J
MW-7
4-May-15
1.6
33
0.8J
0.3J
MW-7
26-Oct-15
1.9
38
0.91
16
0.3J
MW-7
16-May-16
1.0
19
0.7J
12
0.6J
MW-7 (dup)
16-May-16
0.8J
17
0.8J
11
0.6J
0.6J
1302-MSWLF-1974
MW-7
31-Oct-16
1.4
31
0.91
14
0.4J
2.5J
MW-7
8-May-17
1.5
32
0.80J
14.0
MW-7
30-Oct-17
1.5
29
0.901
13.0
MW-7
6-Jun-18
1.9
32.2
0.96J
12.7
0.97J
MW-7
20-Dec-18
1.5
16.7
4.8
76.6
MW-7
7-May-19
1.0
20.9
0.74J
9.80
1.7
0.54J
130
9.7J
MW-7 (dup)
7-May-19
1.2
21.1
0.83J
10.3
1.4
0.54J
131
9.4J
MW-7
4-Nov-19
2
45.8
0.96J
14.8
66.5
13.9
0.86J
MW-7 (dup)
4-Nov-19
2.7
55.9
0.53J
0.85J
16.5
61.5
12.1
0.47
MW-7
19-May-20
0.86J
0.62J
0.51J
105
MW-7
24-Sep-20
1.2
26
0.68
10
93
MW-7
16-Mar-21
1
1 0.53
1
1 23
1
1 0.71
1 8.2
1
1 0.451
1 120
CISDM
5of7
May 2021

Table 3b
Detected Groundwater Constituents - Volatile Organic Compounds
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 landfill
Facility Permit Number 1302-MSWLF-1974
LU
LL
MW-8A
7-Nov-11
MW-8A
8-May-12
MW-8A
27-Nov-12
MW-8A
6-May-13
MW-8A
4-Nov-13
MW-8A
5-May-14
MW-8A
3-Nov-14
MW-8A
4-May-15
3.8J
MW-8A
26-Oct-15
MW-8A
16-May-16
MW-8A
31-Oct-16
1302-MSWLF-1974
MW-8A (dup)
31-Oct-16
MW-8A
8-May-17
MW-8A
30-Oct-17
MW-8A
6-Jun-18
0.73J
MW-8A (dup)
6-Jun-18
MW-8A
20-Dec-18
MW-8A
7-May-19
2.4
MW-8A
4-Nov-19
MW-8A
19-May-20
MW-8A (dup)
19-May-20
MW-8A
24-Sep-20
MW-8A
18-Mar-21
MW-10
7-Nov-11
8.2.1
1.3
31
0.8J
8.4
MW-10
8-May-12
1.3
32
1.0.1
8.9
0.2J
MW-10
27-Nov-12
1.3
35
1.113.1
9.5
0.31
MW-10
9-May-13
5.OJ
1.1
6.OJ
31
0.91
8.2
MW-10
4-Nov-13
73J
1.2
4.21
39
1. 1.1
10
0.91
MW-10
5-May-14
1.1
7.91
39
1.2.1
10
0.51
MW-10
3-Nov-14
23J
1.3
42
1.3J
11
0.41
MW-10
4-May-15
8.5.1
1.1
40
1.2J
11
0.41
MW-10
26-Oct-15
1.2
41
1. 11
9.8
0.3J
MW-10
16-May-16
1.0
39
1.01
9.6
MW-10
31-Oct-16
1.2
44.0
1.3.1
10
0.4J
1302-MSWLF-1974
MW-10
8-May-17
1.01
41.0
1.2.1
9.2
0.31
MW-10
30-Oct-17
1.0
1.0.1
9.0
MW-10
6-Jun-18
1.2
41.7
1. 1.1
8.7
10.2J
MW-10
20-Dec-18
1.41
MW-10 dup
20-Dec-18
MW-10
8-May-19
1.1
43.8
1.1
8.6
104
24.6
MW-10
4-Nov-19
1.4
56.7
1.4
10.2
85.6
31.5
MW-10
19-May-20
0.93J
33.6
0.94J
82.8
MW-10
24-Sep-20
1.5
40
0.86
6.9
76
MW-10 (dup)
24-Sep-20
1.5
40
0.96
7.1
79
MW-10
16-Mar-21
0.96
1
26
0.58
4.1
1
63
MW-11
7-Nov-11
1.3
13
7.6
0.5J
0.4.1
0.5J
MW-11
8-May-12
MW-11
27-Nov-12
1.3
18
0.7131
8.4
0.41
0.31
0.41
MW-11
9-May-13
1.01
MW-11
4-Nov-13
1.1
16
0.5J
7.6
0.41
MW-11
5-May-14
0.4J
4.5
1.7
MW-11
3-Nov-14
1.4
19
0.7J
9.4
0.51
MW-11
4-May-15
0.4J
6.0
1.8
MW-11
26-Oct-15
0.91
16
0.6J
9.0
0.4J
MW-11
16-May-16
0.3J
4.6
1.6
MW-11
31-Oct-16
1.2
18
0.7J
8.8
2.5.1
1302-MSWLF-1974
MW-11
8-May-17
3.8
MW-11 (dup)
8-May-17
2.91
M W-11
30-Oct-17
1.2
18
0.71
8.6
MW-11 (dup)
30-Oct-17
1.1
16
0.71
8.0
MW-11
6-Jun-18
13.5.1
0.901
14.0
5.5
MW-11
20-Dec-18
2.1
MW-11
8-May-19
0.57J
6.8
2.1
26.2
3.4J
MW-11
4-Nov-19
1.2
18.6
0.751
0.67J
7.4
46.2
10.8
MW-11
19-May-20
12.1
MW-11
24-Sep-20
5.2
1.7
20
MW-11
16-Mar-21
MW-11 (dup)
16-Mar-21
Notes:
1. All units are in micrograms per liter (parts per billion).
2. * - Interim Maximum Allowable Concentration (IMAC)
3. dup - Duplicate Sample
4. J - Indicates the analytical result is an established concentration between the method detection limit and the adjusted reporting limit.
5. B - The analyte concentration detected in the method blank was greater than the method detection limit.
- Concentration exceeds the 15A NCAC 02L .0202 (North Carolina 2L) or IMAC Standard
- Indicates the result is below the detection limit.
CDMthi6 of 7
May 2021

Table 3c
Detected Surface Water Constituents - Metals and Volatile Organic Compounds
March 2021 Semi -Annual Sampling Event
Cabarrus County Unit 1 Landfill
Facility Permit Number 1302-MSWLF-1974
Metals
Volatile
Organic Compounc
_ I _ _
T
a�
o
IF Iln-alrCdM
Life
Standard
SW-1 9-Nov-11 94.01 0.77J 1 2.60J I 0.23J I 5.32J I 1.74J
DRY
SW-1 9-May-12 DRY
SW-1 28-Nov-12
DRY
DRY
SW-1 10-May-13
82.1.1
0.06J
3.79J
2.01J
0.16J
6.30J
2.05J
4.93.1
SW-1 5-Nov-13
1.06J
139
9.52J
1.75J
0.091
8.51J
2.85.1
0.12J
2.0J
0.3.1
SW-1 5-May-14
1.80J
146
0.37J
4.63BJ
11.7
6.34J
3.58BJ
9.79J
2.83J
14.4.1
34.3
SW-1 3-Nov-14
DRY
DRY
DRY
DRY
SW-1 5-May-15
0.89J
69.2.1
1.01J
1.72J
5.09J
4.39J
2.93CN,J
2.37J
SW-1 29-Oct-15
SW-1 19-May-16
3.52J
157
1.44
37.2
15.6
25.1
14.8
17.2J
5.331
0.08J
65.2
64.0
1302-MSWLF-1974
DRY
DRY
SW-1 1-Nov-16
66.61
3.69.1
2.04J
1.04J
0.07J
5.92J
SW-1 10-May-17
DRY
DRY
SW-1 31-Oct-17
SW-1 7-Jun-18
DRY
DRY
SW-1 18-Dec-18
0.70J
57.6.1
0.052J
1.8.1
2.6J
2.OJ
0.34J
4.4J
3.2.1
4.9.1
4.4
2.1
SW-1 9-May-19
66.9
0.761
3.0J
1.3J
0.16J
5.1
1.31
3.91B
8.7
SW-1 6-Nov-19
59.1
0.38J
5.06
0.064JB
2.9J
0.058J
6.51B
5.9
SW-1 19-May-20
65.4
0.711
1.91
1.5J
0.21.1
4.5J
3.1J
9.9
SW-1 25-Sep-20
49
0.24J
4.5J
1.91
7.2
2.4
4.5J
8.6
13
1.21
SW-1 19-Mar-21
1
61
1
1 2.9.1
1.7J
4.3J
1 1.3
1 7.4
1
1 3.5.1
1 19
SW-2 9-Nov-11
DRY
DRY
65.31
1.061
0.88J
1.68J 0.85J
3.33J
1.33J
SW-2 9-May-12
DRY
DRY
SW-2 28-Nov-12
0.97J 78.91
0.631
2.53.1
2.20J
0.84J
6.36J
3.02J
6.05J
SW-2 10-May-13
DRY
DRY
SW-2 5-Nov-13
SW-2 6-May-14
1.45.1
137
0.05J
3.29J
3.65J
1.52BJ
6.99J
3.68.1
7.11J
24.5
SW-2 3-Nov-14
1.88J
67.0.1
12.7
0.57J
0.05J
1.42J
1.08J
5.15B-01,J
6.OJ
1.8
SW-2 5-May-15
73.2B-01,J
3.16J
1.21.1
6.34J
3.40J
1.36.1
SW-2 29-Oct-15
1.68J
81.11
0.101
0.69J
3.64J
0.95J
4.60J
6.50J
3.28CN,J
1.93J
5.481
SW-2 19-May-16
2.35J
89.01
0.94J
12.2
7.21J
11.9
8.73J
8.33.1
3.40J
32.7
35.0
1302-MSWLF-1974
DRY
DRY
SW-2 1-Nov-16
94.7.1
2.22J
0.89J
0.31J
1 4.81J
SW-2 10-May-17
DRY
DRY
SW-2 31-Oct-17
0.991
42.91
1.4J
0.37J
2.5.1
SW-2 7-Jun-18
SW-2 18-Dec-18
0.63J
71.8J
0.11.1
1.91
1.8J
1.91
0.911
3.1J
4.3J
3.6.1
2.5
1.8
SW-2 10-May-19
83.8
2.3J
1.7J
5.1
2.8JB
7.3
SW-2 6-Nov-19
0.62J
83.9
0.66J
0.35.1
3.3JB
0.22.113
2.7J
1.3J
7.1.113
3.8
SW-2 19-May-20
0.69J
100
0.23J
3.5.1
3.2J
4.1.1
2.2
5.4
1.7J
8.6.1
10.2
6.7
SW-2 25-Sep-20
2.7
91
0.77
25
4.8J
18
8.8
8.8
2.7J
33
34
SW-2 19-Mar-21
1
1
37
1 0.301
1
2.6.1
1
1 9.8
1 1.4
1 2.4J
7.1
5.2.1
Notes:
1. All units are in micrograms per liter (parts per billion).
2. Standards obtained from section 15A NCAC 02B .0211 (North Carolina 26) or In -Stream Target Value Surface Water Standards for Class C Waters (June 2019).
3. (3) - A Standard for total chromium has not been established. The value provided is for chromium (III).
4. NS - No Standard
5. * - North Carolina In -Stream Target Value
6. J - Indicates the analytical result is an estimated concentration between the method detection limit and the limit of quantitation.
7. B - The analyte concentration detected in the method blank was greater than the method detection limit.
8. CN - Detected silver concentrations were determined to be the result of contamination from the preservative acid.
- Concentration exceeds the North Carolina 2B or In -Stream Target Value Freshwater Aquatic Life Standard for Class C Waters - June 2019
- Indicates the result is below the detection limit.
CDNIthi7 of 7
May 2021

Table 4
Constituents Detected Above Standards
March 2021 Semi -Annual Sampling Event
Unit 1- Cabarrus County Landfill
Facility Permit Number 1302-MSWLF-1974
Monitoring Well Parameters Exceeding North Carolina 2L or IMAC Standard
Facility Permit Number
Code Assessment Monitoring - March 2021
CD-1s
1302-MSWLF-1974 Vanadium*
(background well)
CD-1d
1302-MSWLF-1974
Vanadium*
(background well)
1302-MSWLF-1974
MW-5
Cobalt*, 1,4-Dioxane
1302-MSWLF-1974
MW-7
Cobalt*, Nickel, Selenium, Vanadium*, 1,4-Dichlorobenzene, 1,4-Dioxane
1302-MSWLF-1974
MW-8A
Cobalt*
1302-MSWLF-1974
MW-10
Arsenic, Cobalt*, Nickel, Vanadium*, 1,4-Dioxane
1302-MSWLF-1974
MW-11
Cobalt*, Vanadium*
Notes:
1. * - Constituent exceeded the Interim Maximum Allowable Concentration (IMAC)
2. Bold - "J" Flag - Indicates the analytical result is an estimated concentration between the method detection
limit and the method reporting limit.
Smith Page 1 of 1 May 2021

z
N
w+E
ASS
.•'`
MGW-1
CD-1S
735.38 r
SW-3� ,CD-ld
735.15
MGW-15
i
MGW-14
CD-4 Rep 3� ?,A*
CD-2\ r'&P 731.93 ♦% -�
723.63 Landfill
CD-7`-
707.88. - -
MGW-13
CD-9
`:
707.28A"
Unit
---
-
-
--_
MGW-17
- - -
o
o-
-
-
Unit 1 \7jp
MGW.12
702.0203
MGW-2
I r
689.34/
MW-8A
/r
_
69350 - 709.62 ---I
O*
MGW-11
MGW 16
MWW\t%p
695.39
4
MW-A l l MW-G MW-5 A
709.50 / / 686.13 681.57 MW-11 _p'.
679.72
MW-X Unit 3 / I MW-B '
702.53 I 679.26 \ - Borrow Area
MGW-3 / MW-E Rep 680
/ 1687.78 / SW-1
MW-D I /
_ 700.18 MW-F
690-Mw-C 672.86
688.80 ` ` \ ` MW-E deed / 670 MGW-8 MGW-9
MW-K �� 674.75/ /
685.21 ` - _ _ � -4-
/ MW-I
MGW.4� AMW-1d r 668.35 _ - - 660
680.09
AMW-15 / /SW-2 MGW-7
MW-H 677.21
678.80
MW-H deep AMW-25 Mw-3 656
678.47 676.42 659.52/
670 MW
AMW-2tl / 651.48
MW-L
680.19 666 660.82 666 MGW-6
MW-3 deep
MW-L deep 662.05
662.40
MGW-5
Scale in Feet
0 S00 1000
Map Data Source: 2019 Aerial Photograph, Cabarrus County, North Carolina one Map.
NxHgkllvl
MGW-10
4
Groundwater Monitoring Well
Surface Water Sample Location
♦ Landfill Gas Well Location
Potentiometric Contour
680 - (dashed where inferred)
Contour Interval = 10 Feet

Appendix A

aceAnalytical
Report of Analysis
CDM Smith
5400 Glenwood Avenue
Suite 400
Raleigh, NC 27612
Attention: Mathew Colone
Project Name: Cabarrus County LF-Unit 1
Lot Number:WC17021
Date Completed:03/26/2021
04/04/2021 8:35 PM
Approved and released by:
Project Manager II: Cathy S. Dover
=w�4 aecRFo���AM
TNI /
AM Amflvue Acm^rmm Fvu rj
('
4eOfFAi�
ACC R E OI TEO
TESTINGL aORlTOAY
The electronic signature above is the equivalent of a handwritten signature.
This report shall not be reproduced, except in its entirety, without the written approval of Pace Analytical Services, LLC.
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172
Tel:[phone] Fax:[phone] www.pacelabs.com
Page 1 of 43

PACE ANALYTICAL SERVICES, LLC
SC DHEC No: 32010001 NELAC No: E87653 NC DENR No: 329 NC Field Parameters No: 5639
Case Narrative
CDM Smith
Lot Number: WC17021
This Report of Analysis contains the analytical result(s) for the sample(s) listed on the Sample Summary
following this Case Narrative. The sample receiving date is documented in the header information
associated with each sample.
All results listed in this report relate only to the samples that are contained within this report.
Sample receipt, sample analysis, and data review have been performed in accordance with the most
current approved The NELAC Institute (TNI) standards, the Pace Analytical Services, LLC ("Pace")
Laboratory Quality Manual, standard operating procedures (SOPS), and Pace policies. Any exceptions to
the TNI standards, the Laboratory Quality Manual, SOPS or policies are qualified on the results page or
discussed below.
1,4-dioxane SIM 8260D
Insufficient sample volume was provided to perform matrix spike/matrix spike duplicate (MS/MSD) for
analytical batch 86785. An LCS/LCSD was run in lieu of an MS/MSD.
If you have any questions regarding this report please contact the Pace Project Manager listed on the
cover page.
Pace Analytical Services, LLC (formerly Shealy Environmetal Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] whw.pacelabs.com
Page 2 of 43

PACE ANALYTICAL SERVICES, LLC
Sample Summary
CDM Smith
Lot Number: WC17021
Project Name: Cabarrus County LF-Unit 1
Project Number:
Sample Number
Sample ID
Matrix
Date Sampled
Date Received
001
MW-10
Aqueous
03/16/20211550
03/17/2021
002
MW-5
Aqueous
03/16/20211625
03/17/2021
003
MW-11
Aqueous
03/16/20211710
03/17/2021
004
MW-7
Aqueous
03/16/20211750
03/17/2021
005
DUP
Aqueous
03/16/20210801
03/17/2021
006
TRIP BLANK
Aqueous
03/16/2021
03/17/2021
(6 samples)
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 3 of 43

PACE ANALYTICAL SERVICES, LLC
Detection Summary
CDM Smith
Lot Number: WC17021
Project Name: Cabarrus County LF-Unit 1
Project Number:
Sample Sample ID
Matrix
Parameter
Method
Result
Q
Units
Page
001
MW-10
Aqueous
Benzene
8260D
0.96
ug/L
6
001
MW-10
Aqueous
Chlorobenzene
8260D
26
ug/L
6
001
MW-10
Aqueous
1,2-Dichlorobenzene
8260D
0.58
ug/L
6
001
MW-10
Aqueous
1,4-Dichlorobenzene
8260D
4.1
ug/L
6
001
MW-10
Aqueous
1,4-Dioxane
8260D (SIM)
63
ug/L
8
001
MW-10
Aqueous
Arsenic
6020B
36
ug/L
9
001
MW-10
Aqueous
Barium
6020B
130
ug/L
9
001
MW-10
Aqueous
Beryllium
6020B
0.75
ug/L
9
001
MW-10
Aqueous
Chromium
6020B
2.8
J
ug/L
9
001
MW-10
Aqueous
Cobalt
6020B
28
ug/L
9
001
MW-10
Aqueous
Copper
6020B
2.0
J
ug/L
9
001
MW-10
Aqueous
Lead
6020B
0.82
J
ug/L
9
001
MW-10
Aqueous
Nickel
6020B
120
ug/L
9
001
MW-10
Aqueous
Selenium
6020B
4.0
J
ug/L
9
001
MW-10
Aqueous
Vanadium
6020B
4.7
J
ug/L
9
001
MW-10
Aqueous
Zinc
6020B
4.2
J
ug/L
9
002
MW-5
Aqueous
Chlorobenzene
8260D
1.6
ug/L
10
002
MW-5
Aqueous
1,4-Dichlorobenzene
8260D
0.75
ug/L
10
002
MW-5
Aqueous
1,4-Dioxane
8260D (SIM)
70
ug/L
12
002
MW-5
Aqueous
Barium
6020B
150
ug/L
13
002
MW-5
Aqueous
Cobalt
6020B
8.6
ug/L
13
002
MW-5
Aqueous
Copper
6020B
2.3
J
ug/L
13
002
MW-5
Aqueous
Lead
6020B
0.37
J
ug/L
13
002
MW-5
Aqueous
Nickel
6020B
35
ug/L
13
002
MW-5
Aqueous
Selenium
6020B
5.9
ug/L
13
002
MW-5
Aqueous
Zinc
6020B
3.3
J
ug/L
13
003
MW-11
Aqueous
Barium
6020B
91
ug/L
17
003
MW-11
Aqueous
Cobalt
6020B
5.7
ug/L
17
003
MW-11
Aqueous
Lead
6020B
0.70
J
ug/L
17
003
MW-11
Aqueous
Nickel
6020B
4.1
J
ug/L
17
003
MW-11
Aqueous
Vanadium
6020B
4.3
J
ug/L
17
003
MW-11
Aqueous
Zinc
6020B
4.5
J
ug/L
17
004
MW-7
Aqueous
Benzene
8260D
0.53
ug/L
18
004
MW-7
Aqueous
Chlorobenzene
8260D
23
ug/L
18
004
MW-7
Aqueous
1,2-Dichlorobenzene
8260D
0.71
ug/L
18
004
MW-7
Aqueous
1,4-Dichlorobenzene
8260D
8.2
ug/L
18
004
MW-7
Aqueous
1,1-Dichloroethane
8260D
0.45
J
ug/L
18
004
MW-7
Aqueous
1,4-Dioxane
8260D (SIM)
120
ug/L
20
004
MW-7
Aqueous
Arsenic
6020B
2.0
ug/L
21
004
MW-7
Aqueous
Barium
6020B
750
ug/L
21
004
MW-7
Aqueous
Cobalt
6020B
25
ug/L
21
004
MW-7
Aqueous
Nickel
6020B
110
ug/L
21
004
MW-7
Aqueous
Selenium
6020B
95
ug/L
21
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 4 of 43

Detection Summary (Continued)
Lot Number: WC17021
Sample Sample ID
Matrix
Parameter
Method
Result
Q
Units
Page
004 MW-7
Aqueous
Vanadium
6020B
4.3
J
ug/L
21
005 DUP
Aqueous
Barium
6020B
82
ug/L
25
005 DUP
Aqueous
Cobalt
6020B
5.4
ug/L
25
005 DUP
Aqueous
Lead
6020B
0.48
J
ug/L
25
005 DUP
Aqueous
Nickel
6020B
3.7
J
ug/L
25
005 DUP
Aqueous
Vanadium
6020B
3.0
J
ug/L
25
005 DUP
Aqueous
Zinc
6020B
3.6
J
ug/L
25
(50 detections)
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 5 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-001
Description: MW-10 Matrix: Aqueous
Date Sampled:03/16/2021 1550 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211326 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.96
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
26
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.58
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
4.1
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 6 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-001
Description: MW-10 Matrix: Aqueous
Date Sampled:03/16/2021 1550 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211326 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
113 70-130
100 70-130
111 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 7 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-001
Description: MW-10 Matrix: Aqueous
Date Sampled:03/16/2021 1550 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/23/2021 1552 JDF 86623
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 63 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
92 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 8 of 43

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17021-001
Description: MW-10 Matrix: Aqueous
Date Sampled:03/16/2021 1550 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0124 BPK
Prep Date Batch
03/18/2021 1243 86060
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
36
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
130
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.75
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
2.8
J
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
28
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
2.0
J
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
0.82
J
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
120
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
4.0
J
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
4.7
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
4.2
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 9 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-002
Description: MW-5 Matrix: Aqueous
Date Sampled:03/16/2021 1625 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211351 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
1.6
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.75
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 10 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-002
Description: MW-5 Matrix: Aqueous
Date Sampled:03/16/2021 1625 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211351 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
107 70-130
93 70-130
106 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 11 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-002
Description: MW-5 Matrix: Aqueous
Date Sampled:03/16/2021 1625 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/23/2021 1617 JDF 86623
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 70 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
90 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 12 of 43

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17021-002
Description: MW-5 Matrix: Aqueous
Date Sampled:03/16/2021 1625 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0132 BPK
Prep Date Batch
03/18/2021 1243 86060
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
150
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
5.0
U
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
8.6
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
2.3
J
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
0.37
J
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
35
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.9
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
5.0
U
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
3.3
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 13 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-003
Description: MW-11 Matrix: Aqueous
Date Sampled:03/16/2021 1710 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211416 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 14 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-003
Description: MW-11 Matrix: Aqueous
Date Sampled:03/16/2021 1710 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211416 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
107 70-130
94 70-130
105 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 15 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-003
Description: MW-11 Matrix: Aqueous
Date Sampled:03/16/2021 1710 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
2 5030B 8260D (SIM) 1 03/25/2021 0138 DJG 86785
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 2
Run 2 Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
92 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 16 of 43

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17021-003
Description: MW-11 Matrix: Aqueous
Date Sampled:03/16/2021 1710 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0139 BPK
Prep Date Batch
03/18/2021 1243 86060
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
91
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
5.0
U
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
5.7
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
5.0
U
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
0.70
J
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
4.1
J
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
4.3
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
4.5
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 17 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-004
Description: MW-7 Matrix: Aqueous
Date Sampled:03/16/2021 1750 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211441 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.53
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
23
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.71
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
8.2
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.45
J
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 18 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-004
Description: MW-7 Matrix: Aqueous
Date Sampled:03/16/2021 1750 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211441 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
114 70-130
99 70-130
110 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 19 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-004
Description: MW-7 Matrix: Aqueous
Date Sampled:03/16/2021 1750 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/23/2021 1706 JDF 86623
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 120 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
91 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 20 of 43

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17021-004
Description: MW-7 Matrix: Aqueous
Date Sampled:03/16/2021 1750 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
2 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0202 BPK
6020B 10 03/19/2021 1850 BPK
Prep Date Batch
03/18/2021 1243 86060
03/18/2021 1243 86060
CAS Analytical
Parameter
Number Method
Result Q
LOQ
DL
Units
Run
Antimony
7440-36-0 6020B
2.0 U
2.0
0.50
ug/L
1
Arsenic
7440-38-2 6020B
2.0
2.0
1.3
ug/L
1
Barium
7440-39-3 6020B
750
50
13
ug/L
2
Beryllium
7440-41-7 6020B
0.40 U
0.40
0.15
ug/L
1
Cadmium
7440-43-9 6020B
0.50 U
0.50
0.13
ug/L
1
Chromium
7440-47-3 6020B
5.0 U
5.0
1.3
ug/L
1
Cobalt
7440-48-4 6020B
25
5.0
1.3
ug/L
1
Copper
7440-50-8 6020B
5.0 U
5.0
1.3
ug/L
1
Lead
7439-92-1 6020B
1.0 U
1.0
0.25
ug/L
1
Nickel
7440-02-0 6020B
110
5.0
1.3
ug/L
1
Selenium
7782-49-2 6020B
95
5.0
1.3
ug/L
1
Silver
7440-22-4 6020B
1.0 U
1.0
0.25
ug/L
1
Thallium
7440-28-0 6020B
0.50 U
0.50
0.15
ug/L
1
Vanadium
7440-62-2 6020B
4.3 J
5.0
2.5
ug/L
1
Zinc
7440-66-6 6020B
10 U
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 21 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-005
Description: DUP Matrix: Aqueous
Date Sampled:03/16/2021 0801 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211505 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 22 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-005
Description: DUP Matrix: Aqueous
Date Sampled:03/16/2021 0801 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211505 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
110 70-130
97 70-130
107 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 23 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-005
Description: DUP Matrix: Aqueous
Date Sampled:03/16/2021 0801 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
2 5030B 8260D (SIM) 1 03/25/2021 0203 DJG 86785
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 2
Run 2 Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
93 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 24 of 43

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17021-005
Description: DUP Matrix: Aqueous
Date Sampled:03/16/2021 0801 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0209 BPK
Prep Date Batch
03/18/2021 1243 86060
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
82
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
5.0
U
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
5.4
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
5.0
U
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
0.48
J
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
3.7
J
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
3.0
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
3.6
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 25 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17023-004
Description: CD-1D Matrix: Aqueous
Date Sampled:03/16/2021 0925 Project Name: Cabarrus County LF-C & D
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211646 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrahydrofuran
109-99-9
8260D
5.0
U
5.0
1.0
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 23 of 71

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17023-004
Description: CD-1D Matrix: Aqueous
Date Sampled:03/16/2021 0925 Project Name: Cabarrus County LF-C & D
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211646 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
108 70-130
1,2-Dichloroethane-d4
92 70-130
Toluene-d8
105 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 24 of 71

CVAA
Client:CDM Smith Laboratory ID:WC17023-004
Description: CD-1D Matrix: Aqueous
Date Sampled:03/16/2021 0925 Project Name: Cabarrus County LF-C & D
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 7470A 1 03/26/2021 1425 CMS2 03/25/2021 1222 86479
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Mercury 7439-97-6 7470A 0.00020 U 0.00020 0.000091 mg/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 25 of 71

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC17023-004
Description: CD-1D Matrix: Aqueous
Date Sampled:03/16/2021 0925 Project Name: Cabarrus County LF-C & D
Date Received:03/17/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/19/2021 0309 BPK
Prep Date Batch
03/18/2021 1243 86060
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
27
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
5.0
U
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
5.0
U
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
5.0
U
5.0
1.3
ug/L
1
Iron
7439-89-6
6020B
310
50
13
ug/L
1
Lead
7439-92-1
6020B
1.0
U
1.0
0.25
ug/L
1
Manganese
7439-96-5
6020B
7.0
5.0
1.3
ug/L
1
Nickel
7440-02-0
6020B
5.0
U
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
4.8
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
3.1
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 26 of 71

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC19017-014
Description: MW-8a Matrix: Aqueous
Date Sampled:03/18/2021 1625 Project Name: Cabarrus County 2021
Date Received:03/19/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/23/20211715 TML
86561
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 52 of 76

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC19017-014
Description: MW-8a Matrix: Aqueous
Date Sampled:03/18/2021 1625 Project Name: Cabarrus County 2021
Date Received:03/19/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/23/20211715 TML 86561
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
108 70-130
101 70-130
108 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 53 of 76

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC19017-014
Description: MW-8a Matrix: Aqueous
Date Sampled:03/18/2021 1625 Project Name: Cabarrus County 2021
Date Received:03/19/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
2 5030B 8260D (SIM) 1 03/24/2021 2019 JDF 86761
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 2
Run 2 Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
91 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 54 of 76

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC19017-014
Description: MW-8a Matrix: Aqueous
Date Sampled:03/18/2021 1625 Project Name: Cabarrus County 2021
Date Received:03/19/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/23/2021 1537 BNW
Prep Date Batch
03/23/2021 0307 86430
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
94
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
5.0
U
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
12
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
1.4
J
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
0.25
J
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
59
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
5.0
U
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
6.2
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 55 of 76

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC20018-005
Description: SW-2 Matrix: Aqueous
Date Sampled:03/19/2021 1005 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/24/20211407 BWS
86705
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 20 of 60

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC20018-005
Description: SW-2 Matrix: Aqueous
Date Sampled:03/19/2021 1005 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/24/20211407 BWS 86705
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
103 70-130
96 70-130
90 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 21 of 60

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC20018-005
Description: SW-2 Matrix: Aqueous
Date Sampled:03/19/2021 1005 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/24/2021 0354 DJG 86637
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
91 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 22 of 60

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC20018-005
Description: SW-2 Matrix: Aqueous
Date Sampled:03/19/2021 1005 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/23/2021 1619 BNW
Prep Date Batch
03/23/2021 0307 86430
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
37
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.30
J
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
2.6
J
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
5.0
U
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
9.8
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
1.4
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
2.4
J
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
7.1
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
5.2
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 23 of 60

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC20018-006
Description: SWA Matrix: Aqueous
Date Sampled:03/19/2021 1020 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/24/20211432 BWS
86705
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 24 of 60

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC20018-006
Description: SWA Matrix: Aqueous
Date Sampled:03/19/2021 1020 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/24/20211432 BWS 86705
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
102 70-130
96 70-130
90 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 25 of 60

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC20018-006
Description: SW-1 Matrix: Aqueous
Date Sampled:03/19/2021 1020 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/24/2021 0419 DJG 86637
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
93 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 26 of 60

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC20018-006
Description: SWA Matrix: Aqueous
Date Sampled:03/19/2021 1020 Project Name: Cabarrus County - Unit 2 & 3
Date Received:03/20/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/23/2021 1625 BNW
Prep Date Batch
03/23/2021 0307 86430
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
61
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
2.9
J
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
1.7
J
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
4.3
J
5.0
1.3
ug/L
1
Lead
7439-92-1
6020B
1.3
1.0
0.25
ug/L
1
Nickel
7440-02-0
6020B
7.4
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
3.5
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
19
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 27 of 60

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-006
Description: TRIP BLANK Matrix: Aqueous
Date Sampled:03/16/2021 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20211212 TML
86441
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 26 of 43

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC17021-006
Description: TRIP BLANK Matrix: Aqueous
Date Sampled:03/16/2021 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20211212 TML 86441
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run 1 Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
1,2-Dichloroethane-d4
Toluene-d8
106 70-130
91 70-130
103 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 27 of 43

Volatile Organic Compounds by GC/MS (SIM)
Client:CDM Smith Laboratory ID:WC17021-006
Description: TRIP BLANK Matrix: Aqueous
Date Sampled:03/16/2021 Project Name: Cabarrus County LF-Unit 1
Date Received:03/17/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D (SIM) 1 03/23/2021 1259 JDF 86623
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
1,4-Dioxane 123-91-1 8260D (SIM) 3.0 U 3.0 1.0 ug/L 1
Run Acceptance
Surrogate Q % Recovery Limits
1,2-Dichloroethane-d4
92 40-170
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 28 of 43

QC Summary
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC17021
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 29 of 43

Volatile Organic Compounds by GC/MS - MB
Sample ID: WQ86441-001 Matrix: Aqueous
Batch: 86441 Prep Method: 5030E
Analytical Method: 8260D
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Acetone
10
U
1
10
4.0
ug/L
03/22/2021 1032
Acrylonitrile
5.0
U
1
5.0
0.80
ug/L
03/22/2021 1032
Benzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Bromochloromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Bromodichloromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Bromoform
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Bromomethane (Methyl bromide)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
2-Butanone (MEK)
10
U
1
10
2.0
ug/L
03/22/2021 1032
Carbon disulfide
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Carbon tetrachloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Chlorobenzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Chloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Chloroform
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Chloromethane (Methyl chloride)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
1,2-Dibromo-3-chloropropane (DBCP)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Dibromochloromethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
1,2-Dibromoethane (EDB)
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
Dibromomethane (Methylene bromide)
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
trans- 1,4-Dichloro-2-butene
2.0
u
1
2.0
0.40
ug/L
03/22/2021 1032
1,2-Dichlorobenzene
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
1,4-Dichlorobenzene
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
1,1-Dichloroethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
1,2-Dichloroethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1032
1,1-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
cis- 1,2-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
trans- 1,2-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
1,2-Dichloropropane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
cis- 1,3-Dichloropropene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
trans- 1,3-Dichloropropene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Ethylbenzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
2-Hexanone
10
U
1
10
2.0
ug/L
03/22/2021 1032
Methacrylonitrile
5.0
U
1
5.0
2.0
ug/L
03/22/2021 1032
Methyl iodide (lodomethane)
5.0
U
1
5.0
0.40
ug/L
03/22/2021 1032
4-Methyl-2-pentanone
10
U
1
10
2.0
ug/L
03/22/2021 1032
Methylene chloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Styrene
0.50
U
1
0.50
0.41
ug/L
03/22/2021 1032
1,1,1,2-Tetrachloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
1,1,2,2-Tetrachloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Tetrachloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Toluene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
1,1,1-Trichloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
1,1,2-Trichloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Trichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Trichlorofluoromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 30 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS - MB
Sample ID: WQ86441-001 Matrix: Aqueous
Batch:86441 Prep Method: 5030E
Analytical Method: 8260D
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
1,2,3-Trichloropropane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Vinyl acetate
5.0
U
1
5.0
1.2
ug/L
03/22/2021 1032
Vinyl chloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1032
Xylenes (total)
1.0
U
1
1.0
0.40
ug/L
03/22/2021 1032
Acceptance
Surrogate Q % Rec Limit
Bromofluorobenzene 111 70-130
1,2-Dichloroethane-d4 92 70-130
Toluene-d8 108 70-130
LOQ = Limit of Quantitation U = Not detected at or above the LOD N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL P = The RPD between two GC columns exceeds 40 %
= RSD is out of criteria + = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC17021
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 31 of 43

Volatile Organic Compounds by GC/MS - LCS
Sample ID: WQ86441-002 Matrix: Aqueous
Batch: 86441 Prep Method: 5030E
Analytical Method: 8260D
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
Q Dil
% Rec
Limit
Analysis Date
Acetone
100
110
1
114
60-140
03/22/2021 0942
Acrylonitrile
100
100
1
103
70-130
03/22/2021 0942
Benzene
50
52
1
103
70-130
03/22/2021 0942
Bromochloromethane
50
47
1
93
70-130
03/22/2021 0942
Bromodichloromethane
50
47
1
94
70-130
03/22/2021 0942
Bromoform
50
45
1
89
70-130
03/22/2021 0942
Bromomethane (Methyl bromide)
50
49
1
99
70-130
03/22/2021 0942
2-Butanone (MEK)
100
110
1
110
70-130
03/22/2021 0942
Carbon disulfide
50
51
1
101
70-130
03/22/2021 0942
Carbon tetrachloride
50
46
1
92
70-130
03/22/2021 0942
Chlorobenzene
50
49
1
98
70-130
03/22/2021 0942
Chloroethane
50
49
1
97
70-130
03/22/2021 0942
Chloroform
50
47
1
94
70-130
03/22/2021 0942
Chloromethane (Methyl chloride)
50
51
1
103
60-140
03/22/2021 0942
1,2-Dibromo-3-chloropropane (DBCP)
50
48
1
97
70-130
03/22/2021 0942
Dibromochloromethane
50
46
1
92
70-130
03/22/2021 0942
1,2-Dibromoethane (EDB)
50
48
1
96
70-130
03/22/2021 0942
Dibromomethane (Methylene bromide)
50
45
1
90
70-130
03/22/2021 0942
trans- 1,4-Dichloro-2-butene
50
47
1
93
70-130
03/22/2021 0942
1,2-Dichlorobenzene
50
49
1
99
70-130
03/22/2021 0942
1,4-Dichlorobenzene
50
48
1
97
70-130
03/22/2021 0942
1,1-Dichloroethane
50
50
1
99
70-130
03/22/2021 0942
1,2-Dichloroethane
50
44
1
89
70-130
03/22/2021 0942
1,1-Dichloroethene
50
50
1
100
70-130
03/22/2021 0942
cis- 1,2-Dichloroethene
50
47
1
94
70-130
03/22/2021 0942
trans- 1,2-Dichloroethene
50
51
1
102
70-130
03/22/2021 0942
1,2-Dichloropropane
50
51
1
102
70-130
03/22/2021 0942
cis- 1,3-Dichloropropene
50
52
1
103
70-130
03/22/2021 0942
trans- 1,3-Dichloropropene
50
49
1
98
70-130
03/22/2021 0942
Ethylbenzene
50
50
1
100
70-130
03/22/2021 0942
2-Hexanone
100
99
1
99
70-130
03/22/2021 0942
Methacrylonitrile
250
260
1
106
70-130
03/22/2021 0942
Methyl iodide (lodomethane)
50
50
1
101
70-130
03/22/2021 0942
4-Methyl-2-pentanone
100
98
1
98
70-130
03/22/2021 0942
Methylene chloride
50
49
1
98
70-130
03/22/2021 0942
Styrene
50
49
1
99
70-130
03/22/2021 0942
1,1,1,2-Tetrachloroethane
50
47
1
93
70-130
03/22/2021 0942
1,1,2,2-Tetrachloroethane
50
50
1
100
70-130
03/22/2021 0942
Tetrachloroethene
50
48
1
96
70-130
03/22/2021 0942
Toluene
50
51
1
102
70-130
03/22/2021 0942
1,1,1-Trichloroethane
50
45
1
89
70-130
03/22/2021 0942
1,1,2-Trichloroethane
50
50
1
100
70-130
03/22/2021 0942
Trichloroethene
50
49
1
98
70-130
03/22/2021 0942
Trichlorofluoromethane
50
45
1
90
70-130
03/22/2021 0942
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 32 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS - LCS
Sample ID: WQ86441-002
Matrix: Aqueous
Batch:86441
Prep Method:
5030E
Analytical Method: 8260D
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L) Q
Dil
% Rec
Limit
Analysis Date
1,2,3-Trichloropropane
50
49
1
99
70-130
03/22/2021 0942
Vinyl acetate
50
52
1
104
60-140
03/22/2021 0942
Vinyl chloride
50
51
1
103
70-130
03/22/2021 0942
Xylenes (total)
100
99
1
99
70-130
03/22/2021 0942
Surrogate
Q % Rec
Acceptance
Limit
Bromofluorobenzene 102 70-130
1,2-Dichloroethane-d4 89 70-130
Toluene-d8 100 70-130
LOQ = Limit of Quantitation U = Not detected at or above the LOD N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL P = The RPD between two GC columns exceeds 40 %
= RSD is out of criteria + = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC17021
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 33 of 43

Volatile Organic Compounds by GC/MS (SIM) - MB
Sample ID: WQ86623-001 Matrix: Aqueous
Batch:86623 Prep Method: 5030E
Analytical Method: 8260D (SIM)
Parameter Result Q Dil LOQ DL Units Analysis Date
1,4-Dioxane 3.0 U 1 3.0 1.0 ug/L 03/23/2021 1141
Surrogate
1,2-Dichloroethane-d4
LOQ = Limit of Quantitation
DL = Detection Limit
Acceptance
Q % Rec Limit
90 40-170
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 34 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS (SIM) - LCS
Sample ID: WQ86623-002 Matrix: Aqueous
Batch:86623 Prep Method: 5030E
Analytical Method: 8260D (SIM)
Spike
Amount Result %Rec
Parameter (ug/L) (ug/L) Q Dil % Rec Limit Analysis Date
1,4-Dioxane 50 48 1 96 70-130 03/23/2021 0916
Surrogate
1,2-Dichloroethane-d4
LOQ = Limit of Quantitation
DL = Detection Limit
Acceptance
Q % Rec Limit
105 40-170
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 35 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS (SIM) - MB
Sample ID: WQ86785-001 Matrix: Aqueous
Batch:86785 Prep Method: 5030E
Analytical Method: 8260D (SIM)
Parameter Result Q Dil LOQ DL Units Analysis Date
1,4-Dioxane 3.0 U 1 3.0 1.0 ug/L 03/25/2021 0000
Surrogate
1,2-Dichloroethane-d4
LOQ = Limit of Quantitation
DL = Detection Limit
Acceptance
Q % Rec Limit
92 40-170
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 36 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS (SIM) - LCS
Sample ID: WQ86785-002 Matrix: Aqueous
Batch:86785 Prep Method: 5030E
Analytical Method: 8260D (SIM)
Spike
Amount Result %Rec
Parameter (ug/L) (ug/L) Q Dil % Rec Limit Analysis Date
1,4-Dioxane 50 45 1 91 70-130 03/24/2021 2216
Surrogate
1,2-Dichloroethane-d4
LOQ = Limit of Quantitation
DL = Detection Limit
Acceptance
Q % Rec Limit
99 40-170
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 37 of 43
QC Data for Lot Number: WC17021

Volatile Organic Compounds by GC/MS (SIM) - LCSD
Sample ID: WQ86785-003 Matrix: Aqueous
Batch:86785 Prep Method: 5030E
Analytical Method: 8260D (SIM)
Spike
Amount Result %Rec % RPD
Parameter (ug/L) (ug/L) Q Dil % Rec % RPD Limit Limit Analysis Date
1,4-Dioxane 50 45 1 90 1.2 70-130 20 03/25/2021 0049
Surrogate
1,2-Dichloroethane-d4
LOQ = Limit of Quantitation
DL = Detection Limit
Acceptance
Q % Rec Limit
97 40-170
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 38 of 43
QC Data for Lot Number: WC17021

ICP-MS Metals - MB
Sample ID: WQ86060-001 Matrix: Aqueous
Batch: 86060 Prep Method: 3005A
Analytical Method: 6020B Prep Date: 03/18/2021 1243
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Antimony
2.0
U
1
2.0
0.50
ug/L
03/19/2021 0032
Arsenic
2.0
U
1
2.0
1.3
ug/L
03/19/2021 0032
Barium
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Beryllium
0.40
U
1
0.40
0.15
ug/L
03/19/2021 0032
Cadmium
0.50
U
1
0.50
0.13
ug/L
03/19/2021 0032
Chromium
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Cobalt
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Copper
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Lead
1.0
U
1
1.0
0.25
ug/L
03/19/2021 0032
Nickel
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Selenium
5.0
U
1
5.0
1.3
ug/L
03/19/2021 0032
Silver
1.0
U
1
1.0
0.25
ug/L
03/19/2021 0032
Thallium
0.50
U
1
0.50
0.15
ug/L
03/19/2021 0032
Vanadium
5.0
U
1
5.0
2.5
ug/L
03/19/2021 0032
Zinc
10
U
1
10
2.5
ug/L
03/19/2021 0032
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 39 of 43
QC Data for Lot Number: WC17021

ICP-MS Metals - LCS
Sample ID: WQ86060-002 Matrix: Aqueous
Batch: 86060 Prep Method: 3005A
Analytical Method: 6020B Prep Date: 03/18/2021 1243
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
Q Dil
% Rec
Limit
Analysis Date
Antimony
100
98
1
98
80-120
03/19/2021 0040
Arsenic
100
95
1
95
80-120
03/19/2021 0040
Barium
100
95
1
95
80-120
03/19/2021 0040
Beryllium
100
100
1
101
80-120
03/19/2021 0040
Cadmium
100
90
1
90
80-120
03/19/2021 0040
Chromium
100
100
1
100
80-120
03/19/2021 0040
Cobalt
100
100
1
102
80-120
03/19/2021 0040
Copper
100
110
1
106
80-120
03/19/2021 0040
Lead
100
100
1
102
80-120
03/19/2021 0040
Nickel
100
100
1
104
80-120
03/19/2021 0040
Selenium
100
85
1
85
80-120
03/19/2021 0040
Silver
100
100
1
103
80-120
03/19/2021 0040
Thallium
100
99
1
99
80-120
03/19/2021 0040
Vanadium
100
97
1
97
80-120
03/19/2021 0040
Zinc
100
92
1
92
80-120
03/19/2021 0040
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 40 of 43
QC Data for Lot Number: WC17021

Chain of Custody
and
Miscellaneous Documents
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 41 of 43

PACE ANALYTICAL SERVICES, LLC
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Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 42 of 43

PACE ANALYTICAL SERVICES, LLC
SarnplGS Receipt checklist 15RC) IME0oi8G15) PP.�rispd:�?,'77f?020
aeeArYvj4!c e Issuing Authorlty: Race ENV - VJCOL Page 1 or
Sample Reccipt Checklist ( RQ
Client: t_ MSWATH ConferIrr4[serred byldate� JHG2 ,' 03/112021 LeLh: WCL702L
WLIMIa017--V:eirl: I'aCo Client 'BPS , FcdEx jj l7[72r:
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1_ WON tUsLudy 9�ala presenr on the crmlte n
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pH Strip ID: 2n-'-jgs Chlorine Strip ID; _11n '[bsted by: JRG2 _
Origllla_ ivraperdLum Upon rurcipt,` Derlw4 ( orrcxalcd) temperatum upon rrx:ripr. SSaid $nap-r-up ID:
24 �7..0 oC AI4 INA oC NA /CIA cC NA iNA oC
Method: ❑J Tcnt[)Vr Ur; 81ank ❑4 InS1 13dW;5 1[t GjrL 1D, 6 IR Cion CorivcdL)tt Ta;.tor, d
Method of cg4�I,C wel [tin t-.. rc flacks © Ice ❑ None
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'3 If teciperauuie if :nty aocl�r clxcepded 6.0110, WAS Eroject Manager LNolifloO —
I M }vas Notified by: phone I email. f face-too-fa--o {circle 4mte).
Yes
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4_ IS [hv wmmcmial courier's pact hk s lip attached to LE -is fn=7
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Na S_ Wcm prrxpr•r custn procedures !-elirqu:sltedlr a=v�d} Fi,rErnved?
Ll No 6_ Were 5ampic 1Da listed on the O.00?
0 No 7. Were samplo Ills Itsted or. all satnple containcra7
No' K Was rollecraundaze &IiIna liAen an theC'OC2
-No A wat, collection date & time listed Lin ell sample earininm?
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11_ Vfrt: Leib to be pprformcd Iislrcl on the 000
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12, Did all sample -r arrive in the proper-con.a:ners forcach t�r:nsdim-in go-Od m1diLiDu
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13. Wras ade irate sainnlc whtmi� available^ -
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J No
Were P.E1 satnpl.rs r;=ivcd within V2 the holding tuna ol- 48 hours, whichever co--n ss first?
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i5, Whirr~ arry samples cgntaincrs missin 'ex ya (cirr<ic DnC mmplr� Not lisred on Coe?
❑ yes
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16, Fnr VOA nod R&K-17S wruplrI, were hu')hl pMSMt `pea-siZc" (fa"ar 6mm in diametor)
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Were e11 DRCSimeta[s.'nutriert 5dffi ics received at a pH eC<2? -
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re4l�tl al ehloririe"?
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. Were clan[ rcraxrksJraquests (i,c, mques[ed dilutinns, MSIWSD &sisTmtians, etc ---}
oorrecIty Lranscribad from ca e'COC i-ilo the cm,m2rit wtion in LAMS?
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EinrielPresm'stfoll
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Sauyp[e(s) ran Nceived ioccu-recdy pmvervrxl xnd were ad, vied accordingly
in sample receiving with ` mI, afcimle are, 1:•f2Si_l4, NNO3, 1IC1, NaOH ufin8 9R 9 NA
Time ofprescrvriion nn If mire 1'JEM ainc prescL- ad1j6 is 314Gded, pleaSe nUM In be cGnunenls bwlow.
Sarrplo(s} R -- we:-o rcccivcd with Iwbblcs rG inm i31 0iarrrrter.
StFrnpJcs(�} ran were ncoived -Ah TRC > 0,5 m91L (If # 14 is nr, ) and were
djnsted ftEmordiligly in SAMP [e rccaiving with ndiun dtiOR] IEt[L� (Na291W with Shealy ID: NA
5R bnrccde lal:el5 [tppiikd by: ll¢Cr2 Bate= 11VLra.021
Comm ants:
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 43 of 43

aceAnalytical
Report of Analysis
CDM Smith
5400 Glenwood Avenue
Suite 400
Raleigh, NC 27612
Attention: Mathew Colone
Project Name: Cabarrus County LF-Background
Lot Number:WC18012
Date Completed:03/31/2021
04/04/2021 8:45 PM
Approved and released by:
Project Manager II: Cathy S. Dover
=w�4 aecRFo���A16
TNI /
AM Amflvue Acm^rmm Fvu rj
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4eOfFAi�
ACC R E OI TEO
TESTINGL aORlTOAY
The electronic signature above is the equivalent of a handwritten signature.
This report shall not be reproduced, except in its entirety, without the written approval of Pace Analytical Services, LLC.
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172
Tel:[phone] Fax:[phone] www.pacelabs.com
Page 1 of 46

PACE ANALYTICAL SERVICES, LLC
SC DHEC No: 32010001 NELAC No: E87653 NC DENR No: 329 NC Field Parameters No: 5639
Case Narrative
CDM Smith
Lot Number: WC18012
This Report of Analysis contains the analytical result(s) for the sample(s) listed on the Sample Summary
following this Case Narrative. The sample receiving date is documented in the header information
associated with each sample.
All results listed in this report relate only to the samples that are contained within this report.
Sample receipt, sample analysis, and data review have been performed in accordance with the most
current approved The NELAC Institute (TNI) standards, the Pace Analytical Services, LLC ("Pace")
Laboratory Quality Manual, standard operating procedures (SOPS), and Pace policies. Any exceptions to
the TNI standards, the Laboratory Quality Manual, SOPS or policies are qualified on the results page or
discussed below.
If you have any questions regarding this report please contact the Pace Project Manager listed on the
cover page.
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Page 2 of 46

PACE ANALYTICAL SERVICES, LLC
Sample Summary
CDM Smith
Lot Number: WC18012
Project Name: Cabarrus County LF-Background
Project Number:
Sample Number Sample ID Matrix Date Sampled Date Received
001 CD-1s Aqueous 03/17/20211545 03/18/2021
(1 sample)
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 3 of 46

PACE ANALYTICAL SERVICES, LLC
Detection Summary
CDM Smith
Lot Number: WC18012
Project Name: Cabarrus County LF-Background
Project Number:
Sample Sample ID
Matrix
Parameter
Method
Result
Q
Units
Page
001
CD-1s
Aqueous
Alkalinity @ pH 4.5 su
SM 232013-
53
mg CaCO3/L
5
001
CD-1s
Aqueous
Chloride
9056A
9.4
mg/L
5
001
CD-1s
Aqueous
CO2 (calculation)
SM 4500-CO2
120
mg/L
5
001
CD-1s
Aqueous
Nitrate - N
9056A
0.42
B
mg/L
5
001
CD-1s
Aqueous
Sulfate
9056A
4.8
mg/L
5
001
CD-1s
Aqueous
TDS
SM 2540C-
140
mg/L
5
001
CD-1s
Aqueous
Methane
RSK - 175
2.5
BJ
ug/L
8
001
CD-1s
Aqueous
Barium
6020B
42
ug/L
10
001
CD-1s
Aqueous
Chromium
6020B
1.3
J
ug/L
10
001
CD-1s
Aqueous
Iron
6020B
290
ug/L
10
001
CD-1s
Aqueous
Manganese
6020B
7.6
ug/L
10
001
CD-1s
Aqueous
Vanadium
6020B
4.1
J
ug/L
10
001
CD-1s
Aqueous
Zinc
6020B
5.8
J
ug/L
10
(13 detections)
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 4 of 46

Inorganic non-metals
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method
Analytical Method
Dilution
Analysis Date Analyst
Prep Date Batch
1
(Alkalinity @) SM 2320B-2011
1
03/29/2021 1434 DAK
87236
1
(BOD, 5 day) SM 521OB-2011
1
03/23/2021 2054 JAG
03/18/2021 2300 86175
1
(Chloride) 9056A
1
03/19/2021 0502 AMR
86238
1
(CO2 (calcula) SM 4500-CO2 D
1
03/29/2021 1434 DAK
1
(COD) SM 5220D-2011
1
03/25/2021 1013 AMR
86816
1
(Nitrate - N) 9056A
1
03/19/2021 0502 AMR
86239
1
(Sulfate) 9056A
1
03/19/2021 0502 AMR
86237
1
(Sulfide) SM 4500-S2 F-2011
1
03/23/2021 2022 GDC
86337
1
(TDS) SM 2540C-2011
1
03/19/2021 1749 SJL
86310
1
(TOC) SM 531OC-2011
1
03/24/2021 2047 DMA
86771
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Alkalinity @ pH 4.5 su
BOD, 5 day
Chloride
CO2 (calculation)
COD
Nitrate - N
Sulfate
Sulfide
TDS
TOC
SM 2320B-2011
53
20
20
mg CaCO3/L 1
SM 521OB-2011
2.0
U
2.0
0.18
mg/L 1
9056A
9.4
1.0
0.25
mg/L 1
124-38-9 SM 4500-CO2 D
120
27
27
mg/L 1
SM 5220D-2011
20
U
20
20
mg/L 1
9056A
0.42
B
0.020
0.0050
mg/L 1
9056A
4.8
1.0
0.25
mg/L 1
18496-25-8 SM 4500-S2 F-2
1.0
U
1.0
0.99
mg/L 1
SM 2540C-2011
140
25
25
mg/L 1
SM 531OC-2011
1.0
U
1.0
1.0
mg/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 5 of 46

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method Analytical Method
Dilution Analysis Date Analyst
Prep Date
Batch
1 5030B 8260D
1 03/22/20212052 BWS
86481
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Acetone
67-64-1
8260D
10
U
10
4.0
ug/L
1
Acrylonitrile
107-13-1
8260D
5.0
U
5.0
0.80
ug/L
1
Benzene
71-43-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromochloromethane
74-97-5
8260D
0.50
U
0.50
0.40
ug/L
1
Bromodichloromethane
75-27-4
8260D
0.50
U
0.50
0.40
ug/L
1
Bromoform
75-25-2
8260D
0.50
U
0.50
0.40
ug/L
1
Bromomethane (Methyl bromide)
74-83-9
8260D
0.50
U
0.50
0.40
ug/L
1
2-Butanone (MEK)
78-93-3
8260D
10
U
10
2.0
ug/L
1
Carbon disulfide
75-15-0
8260D
0.50
U
0.50
0.40
ug/L
1
Carbon tetrachloride
56-23-5
8260D
0.50
U
0.50
0.40
ug/L
1
Chlorobenzene
108-90-7
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroethane
75-00-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloroform
67-66-3
8260D
0.50
U
0.50
0.40
ug/L
1
Chloromethane (Methyl chloride)
74-87-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromo-3-chloropropane (DBCP)
96-12-8
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromochloromethane
124-48-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dibromoethane (EDB)
106-93-4
8260D
0.50
U
0.50
0.40
ug/L
1
Dibromomethane (Methylene bromide)
74-95-3
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,4-Dichloro-2-butene
110-57-6
8260D
2.0
U
2.0
0.40
ug/L
1
1,2-Dichlorobenzene
95-50-1
8260D
0.50
U
0.50
0.40
ug/L
1
1,4-Dichlorobenzene
106-46-7
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethane
75-34-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloroethane
107-06-2
8260D
0.50
U
0.50
0.40
ug/L
1
1,1-Dichloroethene
75-35-4
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,2-Dichloroethene
156-59-2
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,2-Dichloroethene
156-60-5
8260D
0.50
U
0.50
0.40
ug/L
1
1,2-Dichloropropane
78-87-5
8260D
0.50
U
0.50
0.40
ug/L
1
cis- 1,3-Dichloropropene
10061-01-5
8260D
0.50
U
0.50
0.40
ug/L
1
trans- 1,3-Dichloropropene
10061-02-6
8260D
0.50
U
0.50
0.40
ug/L
1
Ethylbenzene
100-41-4
8260D
0.50
U
0.50
0.40
ug/L
1
2-Hexanone
591-78-6
8260D
10
U
10
2.0
ug/L
1
Methacrylonitrile
126-98-7
8260D
5.0
U
5.0
2.0
ug/L
1
Methyl iodide (lodomethane)
74-88-4
8260D
5.0
U
5.0
0.40
ug/L
1
4-Methyl-2-pentanone
108-10-1
8260D
10
U
10
2.0
ug/L
1
Methylene chloride
75-09-2
8260D
0.50
U
0.50
0.40
ug/L
1
Styrene
100-42-5
8260D
0.50
U
0.50
0.41
ug/L
1
1,1,1,2-Tetrachloroethane
630-20-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2,2-Tetrachloroethane
79-34-5
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrachloroethene
127-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Tetrahydrofuran
109-99-9
8260D
5.0
U
5.0
1.0
ug/L
1
Toluene
108-88-3
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,1-Trichloroethane
71-55-6
8260D
0.50
U
0.50
0.40
ug/L
1
1,1,2-Trichloroethane
79-00-5
8260D
0.50
U
0.50
0.40
ug/L
1
Trichloroethene
79-01-6
8260D
0.50
U
0.50
0.40
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank
E = Quantitation of
compound exceeded the calibration range
DL = Detection Limit
Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
J = Estimated result <
LOQ and > DL
L = LCS/LCSD
failure
H = Out of holding time W = Reported on wet weight basis
S = MS/MSD
failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 6 of 46

Volatile Organic Compounds by GC/MS
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 5030B 8260D 1 03/22/20212052 BWS 86481
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Trichlorofluoromethane
75-69-4
8260D
0.50
U
0.50
0.40
ug/L
1
1,2,3-Trichloropropane
96-18-4
8260D
0.50
U
0.50
0.40
ug/L
1
Vinyl acetate
108-05-4
8260D
5.0
U
5.0
1.2
ug/L
1
Vinyl chloride
75-01-4
8260D
0.50
U
0.50
0.40
ug/L
1
Xylenes (total)
1330-20-7
8260D
1.0
U
1.0
0.40
ug/L
1
Run Acceptance
Surrogate
Q % Recovery Limits
Bromofluorobenzene
103 70-130
1,2-Dichloroethane-d4
91 70-130
Toluene-d8
91 70-130
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 7 of 46

Dissolved Gases
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 RSK - 175 1 03/30/2021 1127 JM1 87356
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Ethane 74-84-0 RSK - 175 10 U 10 2.5 ug/L 1
Ethene 74-85-1 RSK - 175 10 U 10 2.5 ug/L 1
Methane 74-82-8 RSK - 175 2.5 BJ 10 2.5 ug/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 8 of 46

CVAA
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method Analytical Method Dilution Analysis Date Analyst Prep Date Batch
1 7470A 1 03/23/2021 1950 CMS2 03/23/2021 1325 86544
CAS Analytical
Parameter Number Method Result Q LOQ DL Units Run
Mercury 7439-97-6 7470A 0.00020 U 0.00020 0.000091 mg/L 1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 9 of 46

ICP-MS Metals
Client:CDM Smith Laboratory ID:WC18012-001
Description: CD-1s Matrix: Aqueous
Date Sampled:03/17/2021 1545 Project Name: Cabarrus County LF-
Date Received:03/18/2021 Project Number:
Run Prep Method
1 3005A
Analytical Method Dilution Analysis Date Analyst
6020B 1 03/22/2021 1355 BNW
Prep Date Batch
03/22/2021 0500 86200
CAS
Analytical
Parameter
Number
Method
Result
Q
LOQ
DL
Units
Run
Antimony
7440-36-0
6020B
2.0
U
2.0
0.50
ug/L
1
Arsenic
7440-38-2
6020B
2.0
U
2.0
1.3
ug/L
1
Barium
7440-39-3
6020B
42
5.0
1.3
ug/L
1
Beryllium
7440-41-7
6020B
0.40
U
0.40
0.15
ug/L
1
Cadmium
7440-43-9
6020B
0.50
U
0.50
0.13
ug/L
1
Chromium
7440-47-3
6020B
1.3
J
5.0
1.3
ug/L
1
Cobalt
7440-48-4
6020B
5.0
U
5.0
1.3
ug/L
1
Copper
7440-50-8
6020B
5.0
U
5.0
1.3
ug/L
1
Iron
7439-89-6
6020B
290
50
13
ug/L
1
Lead
7439-92-1
6020B
1.0
U
1.0
0.25
ug/L
1
Manganese
7439-96-5
6020B
7.6
5.0
1.3
ug/L
1
Nickel
7440-02-0
6020B
5.0
U
5.0
1.3
ug/L
1
Selenium
7782-49-2
6020B
5.0
U
5.0
1.3
ug/L
1
Silver
7440-22-4
6020B
1.0
U
1.0
0.25
ug/L
1
Thallium
7440-28-0
6020B
0.50
U
0.50
0.15
ug/L
1
Vanadium
7440-62-2
6020B
4.1
J
5.0
2.5
ug/L
1
Zinc
7440-66-6
6020B
5.8
J
10
2.5
ug/L
1
LOQ = Limit of Quantitation B = Detected in the method blank E = Quantitation of compound exceeded the calibration range DL = Detection Limit Q = Surrogate failure
U = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40 % J = Estimated result < LOQ and > DL L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 10 of 46

QC Summary
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC18012
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 11 of 46

Inorganic non-metals - BOD Blank and GGA
Matrix: Aqueous
Batch: 86175 SCF: 0.6
Analytical Method: SM 521 OB-2011 SCF Range: 0.6 - 1.0
Result Avg. Result
Sample ID
Depl
Avg. Depl (mg/L) (mg/L) Q
Limit
Prep Date
Analysis Date
WQ86175-041 (Blank)
0.12
0.2
03/18/2021 2128
03/23/2021 2013
WQ86175-141 (Blank)
0.13
0.2
03/18/2021 2127
03/23/2021 2013
WQ86175-241 (Blank)
0.21
0.15 4
0.2
03/18/2021 2127
03/23/2021 2013
WQ86175-035 (GGA)
160.5 1
167.5-228.5
03/18/2021 2134
03/23/2021 2017
WQ86175-135 (GGA)
175
167.5-228.5
03/18/2021 2134
03/23/2021 2017
WQ86175-235 (GGA)
180.5 172
167.5-228.5
03/18/2021 2134
03/23/2021 2017
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 12 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86237-001 Matrix: Aqueous
Batch:86237
Analytical Method: 9056A
Parameter Result Q Dil LOQ DL Units Analysis Date
Sulfate 1.0 U 1 1.0 0.25 mg/L 03/18/2021 1916
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 13 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86237-002 Matrix: Aqueous
Batch:86237
Analytical Method: 9056A
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Sulfate 20 21 1 103 80-120 03/18/2021 2128
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 14 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86238-001 Matrix: Aqueous
Batch:86238
Analytical Method: 9056A
Parameter Result Q Dil LOQ DL Units Analysis Date
Chloride 1.0 U 1 1.0 0.25 mg/L 03/18/2021 1916
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 15 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86238-002 Matrix: Aqueous
Batch:86238
Analytical Method: 9056A
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Chloride 20 21 1 104 80-120 03/18/2021 2128
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 16 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86239-001 Matrix: Aqueous
Batch: 86239
Analytical Method: 9056A
Parameter Result Q Dil LOQ DL Units Analysis Date
Nitrate - N 0.0096 J 1 0.020 0.0050 mg/L 03/18/2021 1916
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 17 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86239-002 Matrix: Aqueous
Batch: 86239
Analytical Method: 9056A
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Nitrate - N 0.80 0.82 1 102 80-120 03/18/2021 2128
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 18 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86310-001 Matrix: Aqueous
Batch: 86310
Analytical Method: SM 2540C-2011
Parameter Result Q Dil LOQ DL Units Analysis Date
TDS 25 U 1 25 25 mg/L 03/19/2021 1749
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 19 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86310-002 Matrix: Aqueous
Batch: 86310
Analytical Method: SM 2540C-2011
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
TDS 1500 1500 1 98 90-110 03/19/2021 1749
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 20 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86337-001 Matrix: Aqueous
Batch:86337
Analytical Method: SM 4500-S2 F-2011
Parameter Result Q Dil LOQ DL Units Analysis Date
Sulfide 1.0 U 1 1.0 0.99 mg/L 03/23/2021 2022
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 21 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86337-002 Matrix: Aqueous
Batch:86337
Analytical Method: SM 4500-S2 F-2011
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Sulfide 10 10 1 100 80-120 03/23/2021 2022
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 22 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCSD
Sample ID: WQ86337-003 Matrix: Aqueous
Batch:86337
Analytical Method: SM 4500-S2 F-2011
Spike
Amount Result %Rec % RPD
Parameter (mg/L) (mg/L) Q Dil % Rec % RPD Limit Limit Analysis Date
Sulfide 10 10 1 100 0.00 80-120 20 03/23/2021 2022
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 23 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86771-001 Matrix: Aqueous
Batch:86771
Analytical Method: SM 531 OC-2011
Parameter Result Q Dil LOQ DL Units Analysis Date
TOC 1.0 U 1 1.0 1.0 mg/L 03/24/2021 1903
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 24 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86771-002 Matrix: Aqueous
Batch:86771
Analytical Method: SM 531 OC-2011
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
TOC 20 20 1 98 90-110 03/24/2021 1916
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 25 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - MB
Sample ID: WQ86816-001 Matrix: Aqueous
Batch: 86816
Analytical Method: SM 5220D-2011
Parameter Result Q Dil LOQ DL Units Analysis Date
COD 20 U 1 20 20 mg/L 03/25/2021 1005
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 26 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ86816-002 Matrix: Aqueous
Batch: 86816
Analytical Method: SM 5220D-2011
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
COD 40 40 1 101 95-105 03/25/2021 1006
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 27 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCS
Sample ID: WQ87236-002 Matrix: Aqueous
Batch:87236
Analytical Method: SM 2320B-2011
Spike
Amount Result %Rec
Parameter (mg CaCO3/L) (mg CaCO3/L) Q Dil % Rec Limit Analysis Date
Alkalinity @ pH 4.5 su 100 99 1 99 90-110 03/29/2021 1356
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 28 of 46
QC Data for Lot Number: WC18012

Inorganic non-metals - LCSD
Sample ID: WQ87236-003 Matrix: Aqueous
Batch:87236
Analytical Method: SM 2320B-2011
Spike
Amount Result %Rec % RPD
Parameter (mg CaCO3/L)(mg CaCO3/L9 Dil % Rec % RPD Limit Limit Analysis Date
Alkalinity @ pH 4.5 su 100 99 1 99 0.030 90-110 20 03/29/2021 1402
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 29 of 46
QC Data for Lot Number: WC18012

Volatile Organic Compounds by GC/MS - MB
Sample ID: WQ86481-001 Matrix: Aqueous
Batch: 86481 Prep Method: 5030E
Analytical Method: 8260D
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Acetone
10
U
1
10
4.0
ug/L
03/22/2021 1429
Acrylonitrile
5.0
U
1
5.0
0.80
ug/L
03/22/2021 1429
Benzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Bromochloromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Bromodichloromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Bromoform
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Bromomethane (Methyl bromide)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
2-Butanone (MEK)
10
U
1
10
2.0
ug/L
03/22/2021 1429
Carbon disulfide
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Carbon tetrachloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Chlorobenzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Chloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Chloroform
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Chloromethane (Methyl chloride)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,2-Dibromo-3-chloropropane (DBCP)
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Dibromochloromethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
1,2-Dibromoethane (EDB)
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
Dibromomethane (Methylene bromide)
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
trans- 1,4-Dichloro-2-butene
2.0
u
1
2.0
0.40
ug/L
03/22/2021 1429
1,2-Dichlorobenzene
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
1,4-Dichlorobenzene
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
1,1-Dichloroethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
1,2-Dichloroethane
0.50
u
1
0.50
0.40
ug/L
03/22/2021 1429
1,1-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
cis- 1,2-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
trans- 1,2-Dichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,2-Dichloropropane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
cis- 1,3-Dichloropropene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
trans- 1,3-Dichloropropene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Ethylbenzene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
2-Hexanone
10
U
1
10
2.0
ug/L
03/22/2021 1429
Methacrylonitrile
5.0
U
1
5.0
2.0
ug/L
03/22/2021 1429
Methyl iodide (lodomethane)
5.0
U
1
5.0
0.40
ug/L
03/22/2021 1429
4-Methyl-2-pentanone
10
U
1
10
2.0
ug/L
03/22/2021 1429
Methylene chloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Styrene
0.50
U
1
0.50
0.41
ug/L
03/22/2021 1429
1,1,1,2-Tetrachloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,1,2,2-Tetrachloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Tetrachloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Tetrahydrofuran
5.0
U
1
5.0
1.0
ug/L
03/22/2021 1429
Toluene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,1,1-Trichloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,1,2-Trichloroethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Trichloroethene
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 30 of 46
QC Data for Lot Number: WC18012

Volatile Organic Compounds by GC/MS - MB
Sample ID: WQ86481-001 Matrix: Aqueous
Batch:86481 Prep Method: 5030E
Analytical Method: 8260D
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Trichlorofluoromethane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
1,2,3-Trichloropropane
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Vinyl acetate
5.0
U
1
5.0
1.2
ug/L
03/22/2021 1429
Vinyl chloride
0.50
U
1
0.50
0.40
ug/L
03/22/2021 1429
Xylenes (total)
1.0
U
1
1.0
0.40
ug/L
03/22/2021 1429
Surrogate
Q % Rec
Acceptance
Limit
Bromofluorobenzene 106 70-130
1,2-Dichloroethane-d4 91 70-130
Toluene-d8 91 70-130
LOQ = Limit of Quantitation U = Not detected at or above the LOD N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL P = The RPD between two GC columns exceeds 40 %
= RSD is out of criteria + = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC18012
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 31 of 46

Volatile Organic Compounds by GC/MS - LCS
Sample ID: WQ86481-002 Matrix: Aqueous
Batch: 86481 Prep Method: 5030E
Analytical Method: 8260D
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
Q Dil
% Rec
Limit
Analysis Date
Acetone
100
110
1
108
60-140
03/22/2021 1301
Acrylonitrile
100
99
1
99
70-130
03/22/2021 1301
Benzene
50
48
1
97
70-130
03/22/2021 1301
Bromochloromethane
50
49
1
97
70-130
03/22/2021 1301
Bromodichloromethane
50
53
1
106
70-130
03/22/2021 1301
Bromoform
50
52
1
104
70-130
03/22/2021 1301
Bromomethane (Methyl bromide)
50
44
1
88
70-130
03/22/2021 1301
2-Butanone (MEK)
100
110
1
112
70-130
03/22/2021 1301
Carbon disulfide
50
49
1
98
70-130
03/22/2021 1301
Carbon tetrachloride
50
49
1
98
70-130
03/22/2021 1301
Chlorobenzene
50
48
1
97
70-130
03/22/2021 1301
Chloroethane
50
46
1
93
70-130
03/22/2021 1301
Chloroform
50
47
1
94
70-130
03/22/2021 1301
Chloromethane (Methyl chloride)
50
46
1
92
60-140
03/22/2021 1301
1,2-Dibromo-3-chloropropane (DBCP)
50
48
1
97
70-130
03/22/2021 1301
Dibromochloromethane
50
50
1
99
70-130
03/22/2021 1301
1,2-Dibromoethane (EDB)
50
52
1
105
70-130
03/22/2021 1301
Dibromomethane (Methylene bromide)
50
50
1
100
70-130
03/22/2021 1301
trans- 1,4-Dichloro-2-butene
50
49
1
99
70-130
03/22/2021 1301
1,2-Dichlorobenzene
50
49
1
99
70-130
03/22/2021 1301
1,4-Dichlorobenzene
50
48
1
96
70-130
03/22/2021 1301
1,1-Dichloroethane
50
48
1
95
70-130
03/22/2021 1301
1,2-Dichloroethane
50
48
1
95
70-130
03/22/2021 1301
1,1-Dichloroethene
50
47
1
94
70-130
03/22/2021 1301
cis- 1,2-Dichloroethene
50
48
1
96
70-130
03/22/2021 1301
trans- 1,2-Dichloroethene
50
48
1
96
70-130
03/22/2021 1301
1,2-Dichloropropane
50
50
1
100
70-130
03/22/2021 1301
cis- 1,3-Dichloropropene
50
57
1
113
70-130
03/22/2021 1301
trans- 1,3-Dichloropropene
50
50
1
99
70-130
03/22/2021 1301
Ethylbenzene
50
50
1
99
70-130
03/22/2021 1301
2-Hexanone
100
99
1
99
70-130
03/22/2021 1301
Methacrylonitrile
250
250
1
101
70-130
03/22/2021 1301
Methyl iodide (lodomethane)
50
49
1
97
70-130
03/22/2021 1301
4-Methyl-2-pentanone
100
110
1
108
70-130
03/22/2021 1301
Methylene chloride
50
44
1
89
70-130
03/22/2021 1301
Styrene
50
54
1
108
70-130
03/22/2021 1301
1,1,1,2-Tetrachloroethane
50
53
1
106
70-130
03/22/2021 1301
1,1,2,2-Tetrachloroethane
50
51
1
102
70-130
03/22/2021 1301
Tetrachloroethene
50
49
1
98
70-130
03/22/2021 1301
Tetrahydrofuran
50
49
1
98
70-130
03/22/2021 1301
Toluene
50
48
1
96
70-130
03/22/2021 1301
1,1,1-Trichloroethane
50
50
1
100
70-130
03/22/2021 1301
1,1,2-Trichloroethane
50
50
1
99
70-130
03/22/2021 1301
Trichloroethene
50
48
1
97
70-130
03/22/2021 1301
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 32 of 46
QC Data for Lot Number: WC18012

Volatile Organic Compounds by GC/MS - LCS
Sample ID: WQ86481-002
Matrix: Aqueous
Batch:86481
Prep Method:
5030E
Analytical Method: 8260D
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L) Q
Dil
% Rec
Limit
Analysis Date
Trichlorofluoromethane
50
47
1
93
70-130
03/22/2021 1301
1,2,3-Trichloropropane
50
48
1
97
70-130
03/22/2021 1301
Vinyl acetate
50
50
1
100
60-140
03/22/2021 1301
Vinyl chloride
50
47
1
95
70-130
03/22/2021 1301
Xylenes (total)
100
100
1
102
70-130
03/22/2021 1301
Surrogate
Q % Rec
Acceptance
Limit
Bromofluorobenzene 96 70-130
1,2-Dichloroethane-d4 92 70-130
Toluene-d8 92 70-130
LOQ = Limit of Quantitation U = Not detected at or above the LOD N = Recovery is out of criteria
DL = Detection Limit J = Estimated result < LOQ and > DL P = The RPD between two GC columns exceeds 40 %
= RSD is out of criteria + = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.) QC Data for Lot Number: WC18012
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 33 of 46

Dissolved Gases - MB
Sample ID: WQ87356-001 Matrix: Aqueous
Batch: 87356
Analytical Method: RSK - 175
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Ethane
10
U
1
10
2.5
ug/L
03/30/2021 1021
Ethene
10
U
1
10
2.5
ug/L
03/30/2021 1021
Methane
3.0
J
1
10
2.5
ug/L
03/30/2021 1021
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 34 of 46
QC Data for Lot Number: WC18012

Dissolved Gases - LCS
Sample ID: WQ87356-002 Matrix: Aqueous
Batch: 87356
Analytical Method: RSK - 175
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
Q Dil
% Rec
Limit
Analysis Date
Ethane
550
580
1
105
70-130
03/30/2021 0918
Ethene
520
550
1
106
70-130
03/30/2021 0918
Methane
300
320
1
108
70-130
03/30/2021 0918
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 35 of 46
QC Data for Lot Number: WC18012

Dissolved Gases - LCSD
Sample ID: WQ87356-003
Matrix: Aqueous
Batch: 87356
Analytical Method: RSK - 175
Spike
Amount
Result
%Rec
% RPD
Parameter
(ug/L)
(ug/L) Q
Dil % Rec % RPD
Limit
Limit
Analysis Date
Ethane
550
580
1 104 1.1
70-130
30
03/30/2021 0932
Ethene
520
540
1 105 1.1
70-130
30
03/30/2021 0932
Methane
300
310
1 105 2.3
70-130
30
03/30/2021 0932
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 36 of 46
QC Data for Lot Number: WC18012

ICP-MS Metals - MB
Sample ID: WQ86200-001 Matrix: Aqueous
Batch: 86200 Prep Method: 3005A
Analytical Method: 6020B Prep Date: 03/22/2021 0500
Parameter
Result
Q
Dil
LOQ
DL
Units
Analysis Date
Antimony
2.0
U
1
2.0
0.50
ug/L
03/22/2021 1203
Arsenic
2.0
U
1
2.0
1.3
ug/L
03/22/2021 1203
Barium
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Beryllium
0.40
U
1
0.40
0.15
ug/L
03/22/2021 1203
Cadmium
0.50
U
1
0.50
0.13
ug/L
03/22/2021 1203
Chromium
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Cobalt
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Copper
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Iron
50
U
1
50
13
ug/L
03/22/2021 1203
Lead
1.0
U
1
1.0
0.25
ug/L
03/22/2021 1203
Manganese
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Nickel
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Selenium
5.0
U
1
5.0
1.3
ug/L
03/22/2021 1203
Silver
1.0
U
1
1.0
0.25
ug/L
03/22/2021 1203
Thallium
0.50
U
1
0.50
0.15
ug/L
03/22/2021 1203
Vanadium
5.0
U
1
5.0
2.5
ug/L
03/22/2021 1203
Zinc
10
U
1
10
2.5
ug/L
03/22/2021 1203
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 37 of 46
QC Data for Lot Number: WC18012

ICP-MS Metals - LCS
Sample ID: WQ86200-002 Matrix: Aqueous
Batch: 86200 Prep Method: 3005A
Analytical Method: 6020B Prep Date: 03/22/2021 0500
Spike
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
Q Dil
% Rec
Limit
Analysis Date
Antimony
100
100
1
102
80-120
03/22/2021 1208
Arsenic
100
99
1
99
80-120
03/22/2021 1208
Barium
100
100
1
102
80-120
03/22/2021 1208
Beryllium
100
100
1
104
80-120
03/22/2021 1208
Cadmium
100
99
1
99
80-120
03/22/2021 1208
Chromium
100
100
1
102
80-120
03/22/2021 1208
Cobalt
100
100
1
102
80-120
03/22/2021 1208
Copper
100
100
1
105
80-120
03/22/2021 1208
Iron
1000
1100
1
106
80-120
03/22/2021 1208
Lead
100
100
1
101
80-120
03/22/2021 1208
Manganese
100
100
1
100
80-120
03/22/2021 1208
Nickel
100
110
1
105
80-120
03/22/2021 1208
Selenium
100
94
1
94
80-120
03/22/2021 1208
Silver
100
100
1
102
80-120
03/22/2021 1208
Thallium
100
100
1
102
80-120
03/22/2021 1208
Vanadium
100
100
1
100
80-120
03/22/2021 1208
Zinc
100
100
1
100
80-120
03/22/2021 1208
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 38 of 46
QC Data for Lot Number: WC18012

ICP-MS Metals - MS
Sample ID: WC18012-001MS
Matrix: Aqueous
Batch: 86200
Prep Method:
3005A
Analytical Method: 6020B
Prep Date:
03/22/2021
0500
Sample
Spike
Amount
Amount
Result
%Rec
Parameter
(ug/L)
(ug/L)
(ug/L)
Q
Dil
% Rec
Limit
Analysis Date
Antimony
0.0
100
94
1
94
75-125
03/22/2021 1401
Arsenic
0.0
100
96
1
96
75-125
03/22/2021 1401
Barium
42
100
150
1
107
75-125
03/22/2021 1401
Beryllium
0.0
100
89
1
89
75-125
03/22/2021 1401
Cadmium
0.0
100
100
1
102
75-125
03/22/2021 1401
Chromium
1.3
100
100
1
99
75-125
03/22/2021 1401
Cobalt
0.0
100
97
1
97
75-125
03/22/2021 1401
Copper
0.0
100
100
1
100
75-125
03/22/2021 1401
Iron
290
1000
1300
1
105
75-125
03/22/2021 1401
Lead
0.0
100
100
1
101
75-125
03/22/2021 1401
Manganese
7.6
100
110
1
98
75-125
03/22/2021 1401
Nickel
0.0
100
100
1
101
75-125
03/22/2021 1401
Selenium
0.0
100
95
1
95
75-125
03/22/2021 1401
Silver
0.0
100
97
1
97
75-125
03/22/2021 1401
Thallium
0.0
100
100
1
101
75-125
03/22/2021 1401
Vanadium
4.1
100
100
1
98
75-125
03/22/2021 1401
Zinc
5.8
100
100
1
94
75-125
03/22/2021 1401
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 39 of 46
QC Data for Lot Number: WC18012

ICP-MS Metals - MSD
Sample ID: WC18012-001MD
Matrix: Aqueous
Batch: 86200
Prep Method:
3005A
Analytical Method: 6020B
Prep Date:
03/22/2021 0500
Sample
Spike
Amount
Amount
Result
%Rec
% RPD
Parameter
(ug/L)
(ug/L)
(ug/L)
Q Dil
% Rec % RPD
Limit
Limit
Analysis Date
Antimony
0.0
100
96
1
96
1.6
75-125
20
03/22/2021 1407
Arsenic
0.0
100
96
1
96
0.63
75-125
20
03/22/2021 1407
Barium
42
100
150
1
112
3.0
75-125
20
03/22/2021 1407
Beryllium
0.0
100
87
1
87
1.3
75-125
20
03/22/2021 1407
Cadmium
0.0
100
100
1
102
0.29
75-125
20
03/22/2021 1407
Chromium
1.3
100
100
1
98
1.1
75-125
20
03/22/2021 1407
Cobalt
0.0
100
94
1
94
2.8
75-125
20
03/22/2021 1407
Copper
0.0
100
100
1
101
0.90
75-125
20
03/22/2021 1407
Iron
290
1000
1300
1
104
0.90
75-125
20
03/22/2021 1407
Lead
0.0
100
100
1
103
1.6
75-125
20
03/22/2021 1407
Manganese
7.6
100
110
1
98
0.76
75-125
20
03/22/2021 1407
Nickel
0.0
100
99
1
99
1.7
75-125
20
03/22/2021 1407
Selenium
0.0
100
96
1
96
2.0
75-125
20
03/22/2021 1407
Silver
0.0
100
98
1
98
1.4
75-125
20
03/22/2021 1407
Thallium
0.0
100
100
1
103
2.3
75-125
20
03/22/2021 1407
Vanadium
4.1
100
100
1
96
1.1
75-125
20
03/22/2021 1407
Zinc
5.8
100
100
1
94
0.27
75-125
20
03/22/2021 1407
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 40 of 46
QC Data for Lot Number: WC18012

CVAA -MB
Sample ID: WQ86544-001 Matrix: Aqueous
Batch: 86544 Prep Method:
Analytical Method: 7470A Prep Date: 03/23/2021 1325
Parameter Result Q Dil LOQ DL Units Analysis Date
Mercury 0.00020 U 1 0.00020 0.000091 mg/L 03/23/2021 1923
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 41 of 46
QC Data for Lot Number: WC18012

CVAA - LCS
Sample ID: WQ86544-002 Matrix: Aqueous
Batch: 86544 Prep Method:
Analytical Method: 7470A Prep Date: 03/23/2021 1325
Spike
Amount Result %Rec
Parameter (mg/L) (mg/L) Q Dil % Rec Limit Analysis Date
Mercury 0.0020 0.0018 1 89 80-120 03/24/2021 1020
LOQ = Limit of Quantitation
DL = Detection Limit
U = Not detected at or above the LOD
J = Estimated result < LOQ and > DL
= RSD is out of criteria
N = Recovery is out of criteria
P = The RPD between two GC columns exceeds 40 %
+ = RPD is out of criteria
Note: Calculations are performed before rounding to avoid round -off errors in calculated results
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 42 of 46
QC Data for Lot Number: WC18012

Chain of Custody
and
Miscellaneous Documents
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 43 of 46

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Page 44 of 46

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Page 45 of 46

PACE ANALYTICAL SERVICES, LLC
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Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 46 of 46