RA-613_3831_CA_LAB_20210212

02/12/21
Technical Report for
ATC Group Services LLC
Mt. Harmony-Rougemont, NC
SGS Job Number: LA69363
Sampling Date: 02/05/21
Report to:
ATC Group Services LLC.
2725 East Millbrook Road Suite 121
Raleigh, NC 27604
[e-mail]
ATTN: Gabe Araos
Total number of pages in report:
Certifications: LDEQ(2048), LDHH(LA150012), AR(14-045-04), AZ(AZ0805), FL(E87657), IL(200082), KY(#31),
NC(487), SC(73004001), NJ(LA007), TX(T104704186-18-16), WV(257)
This report shall not be reproduced, except in its entirety, without the written approval of SGS.
Test results relate only to samples analyzed.
SGS North America Inc. • 500 Ambassador Caffery • Scott, LA 70583 • tel: [phone]
Test results contained within this data package meet the requirements
of the National Environmental Laboratory Accreditation Program
and/or state specific certification programs as applicable.
Client Service contact: Amy Jackson 337-237-4775
Ron Benjamin
Lab Director
Scott, LA 02/12/21
e-Hardcopy 2.0
Automated Report
52
SGS is the sole authority for authorizing edits or modifications to this document.
Unauthorized modification of this report is strictly prohibited.
Review standard terms at: http://www.sgs.com/en/terms-and-conditions
The results set forth herein are provided by SGS North America Inc.
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1 of 52
LA69363
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Summary of Hits ....................................................................................................4
Section 3: Sample Results ........................................................................................................5
3.1: LA69363-1: PW-3R ......................................................................................................6
3.2: LA69363-2: WSW-3 .....................................................................................................9
3.3: LA69363-3: FIELD BLANK ........................................................................................12
3.4: LA69363-4: PW-4B ......................................................................................................15
3.5: LA69363-5: WSW-1 .....................................................................................................18
3.6: LA69363-6: WSW-2 .....................................................................................................21
3.7: LA69363-7: WSW-5 .....................................................................................................24
3.8: LA69363-8: WSW-6 .....................................................................................................27
Section 4: Misc. Forms ............................................................................................................30
4.1: Chain of Custody ...........................................................................................................31
Section 5: MS Volatiles - QC Data Summaries .....................................................................34
5.1: Method Blank Summary ................................................................................................35
5.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................41
5.3: Matrix Spike/Matrix Spike Duplicate Summary ...........................................................47 123452 of 52
LA69363
SGS North America Inc.
Sample Summary
ATC Group Services LLC
Job No:LA69363
Mt. Harmony-Rougemont, NC
Sample Collected Matrix Client
Number Date Time By Received Code Type Sample ID
This report contains results reported as ND = Not detected. The following applies:
Organics ND = Not detected above the RL
LA69363-1 02/05/21 10:45 CH 02/09/21 AQ Ground Water PW-3R
LA69363-2 02/05/21 11:10 CH 02/09/21 AQ Ground Water WSW-3
LA69363-3 02/05/21 11:15 CH 02/09/21 AQ Field Blank Water FIELD BLANK
LA69363-4 02/05/21 11:50 CH 02/09/21 AQ Ground Water PW-4B
LA69363-5 02/05/21 12:35 CH 02/09/21 AQ Ground Water WSW-1
LA69363-6 02/05/21 13:00 CH 02/09/21 AQ Ground Water WSW-2
LA69363-7 02/05/21 14:15 CH 02/09/21 AQ Ground Water WSW-5
LA69363-8 02/05/21 14:55 CH 02/09/21 AQ Ground Water WSW-6
3 of 52
LA693631
Summary of Hits Page 1 of 1
Job Number:LA69363
Account:ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Collected:02/05/21
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
LA69363-1 PW-3R
Benzene 14.6 10 ug/l SM 6200B
Di-Isopropyl Ether 37.2 10 ug/l SM 6200B
Methyl Tert Butyl Ether 1980 25 ug/l SM 6200B
Xylene (total)14.8 10 ug/l SM 6200B
LA69363-2 WSW-3
No hits reported in this sample.
LA69363-3 FIELD BLANK
No hits reported in this sample.
LA69363-4 PW-4B
1,2-Dichloroethane 13.5 4.0 ug/l SM 6200B
Di-Isopropyl Ether 29.4 10 ug/l SM 6200B
Methyl Tert Butyl Ether 1600 10 ug/l SM 6200B
LA69363-5 WSW-1
Methyl Tert Butyl Ether 1.6 0.50 ug/l SM 6200B
LA69363-6 WSW-2
No hits reported in this sample.
LA69363-7 WSW-5
Methyl Tert Butyl Ether 0.93 0.50 ug/l SM 6200B
LA69363-8 WSW-6
No hits reported in this sample.
4 of 52
LA693632
SGS North America Inc.
Sample Results
Report of Analysis
Scott, LA
Section 3
5 of 52
LA693633
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:PW-3R
Lab Sample ID:LA69363-1 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133467.D 20 02/11/21 20:31 PJ n/a n/a V2K2751
Run #2 2K0133466.D 50 02/11/21 20:01 PJ n/a n/a V2K2751
Purge Volume
Run #1 25.0 ml
Run #2 25.0 ml
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 200 ug/l
71-43-2 Benzene 14.6 10 ug/l
108-86-1 Bromobenzene ND 10 ug/l
74-97-5 Bromochloromethane ND 10 ug/l
75-27-4 Bromodichloromethane ND 10 ug/l
75-25-2 Bromoform ND 10 ug/l
104-51-8 n-Butylbenzene ND 10 ug/l
135-98-8 sec-Butylbenzene ND 10 ug/l
98-06-6 tert-Butylbenzene ND 10 ug/l
56-23-5 Carbon Tetrachloride ND 4.0 ug/l
108-90-7 Chlorobenzene ND 10 ug/l
75-00-3 Chloroethane ND 10 ug/l
67-66-3 Chloroform ND 10 ug/l
95-49-8 o-Chlorotoluene ND 10 ug/l
106-43-4 p-Chlorotoluene ND 10 ug/l
124-48-1 Dibromochloromethane ND 4.0 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 10 ug/l
106-93-4 1,2-Dibromoethane ND 10 ug/l
75-71-8 Dichlorodifluoromethane ND 10 ug/l
541-73-1 m-Dichlorobenzene ND 10 ug/l
95-50-1 o-Dichlorobenzene ND 10 ug/l
106-46-7 p-Dichlorobenzene ND 10 ug/l
75-34-3 1,1-Dichloroethane ND 10 ug/l
107-06-2 1,2-Dichloroethane ND 4.0 ug/l
75-35-4 1,1-Dichloroethylene ND 10 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 10 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 10 ug/l
78-87-5 1,2-Dichloropropane ND 6.0 ug/l
142-28-9 1,3-Dichloropropane ND 10 ug/l
594-20-7 2,2-Dichloropropane ND 10 ug/l
563-58-6 1,1-Dichloropropene ND 10 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 4.0 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
6 of 52
LA6936333.1
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:PW-3R
Lab Sample ID:LA69363-1 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 4.0 ug/l
108-20-3 Di-Isopropyl Ether 37.2 10 ug/l
64-17-5 Ethyl Alcohol ND 1000 ug/l
100-41-4 Ethylbenzene ND 10 ug/l
591-78-6 2-Hexanone ND 20 ug/l
87-68-3 Hexachlorobutadiene ND 4.0 ug/l
98-82-8 Isopropylbenzene ND 10 ug/l
99-87-6 p-Isopropyltoluene ND 10 ug/l
74-83-9 Methyl Bromide ND 10 ug/l
74-87-3 Methyl Chloride ND 10 ug/l
74-95-3 Methylene Bromide ND 10 ug/l
75-09-2 Methylene Chloride ND 10 ug/l
78-93-3 Methyl Ethyl Ketone ND 500 ug/l
108-10-1 4-Methyl-2-pentanone ND 10 ug/l
1634-04-4 Methyl Tert Butyl Ether 1980 a 25 ug/l
91-20-3 Naphthalene ND 10 ug/l
103-65-1 n-Propylbenzene ND 10 ug/l
100-42-5 Styrene ND 10 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 10 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 4.0 ug/l
127-18-4 Tetrachloroethylene ND 10 ug/l
108-88-3 Toluene ND 200 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 10 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 10 ug/l
71-55-6 1,1,1-Trichloroethane ND 10 ug/l
79-00-5 1,1,2-Trichloroethane ND 6.0 ug/l
79-01-6 Trichloroethylene ND 10 ug/l
75-69-4 Trichlorofluoromethane ND 10 ug/l
96-18-4 1,2,3-Trichloropropane ND 10 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 10 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 10 ug/l
108-05-4 Vinyl Acetate b ND 10 ug/l
75-01-4 Vinyl Chloride ND 2.0 ug/l
m,p-Xylene ND 20 ug/l
95-47-6 o-Xylene ND 10 ug/l
1330-20-7 Xylene (total)14.8 10 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 105%113%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
7 of 52
LA6936333.1
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:PW-3R
Lab Sample ID:LA69363-1 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 97%98%70-130%
460-00-4 4-Bromofluorobenzene 93%93%70-130%
(a) Result is from Run# 2
(b) Associated CCV outside of control limits high, sample was ND.
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
8 of 52
LA6936333.1
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-3
Lab Sample ID:LA69363-2 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133462.D 1 02/11/21 18:01 PJ n/a n/a V2K2751
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
9 of 52
LA6936333.2
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-3
Lab Sample ID:LA69363-2 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate a ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 105%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
10 of 52
LA6936333.2
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-3
Lab Sample ID:LA69363-2 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 97%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
(a) Associated CCV outside of control limits high, sample was ND.
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
11 of 52
LA6936333.2
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA69363-3 Date Sampled:02/05/21
Matrix:AQ - Field Blank Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133437.D 1 02/10/21 15:41 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
12 of 52
LA6936333.3
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA69363-3 Date Sampled:02/05/21
Matrix:AQ - Field Blank Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 105%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
13 of 52
LA6936333.3
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA69363-3 Date Sampled:02/05/21
Matrix:AQ - Field Blank Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 96%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
14 of 52
LA6936333.3
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:PW-4B
Lab Sample ID:LA69363-4 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133446.D 20 02/10/21 20:09 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 200 ug/l
71-43-2 Benzene ND 10 ug/l
108-86-1 Bromobenzene ND 10 ug/l
74-97-5 Bromochloromethane ND 10 ug/l
75-27-4 Bromodichloromethane ND 10 ug/l
75-25-2 Bromoform ND 10 ug/l
104-51-8 n-Butylbenzene ND 10 ug/l
135-98-8 sec-Butylbenzene ND 10 ug/l
98-06-6 tert-Butylbenzene ND 10 ug/l
56-23-5 Carbon Tetrachloride ND 4.0 ug/l
108-90-7 Chlorobenzene ND 10 ug/l
75-00-3 Chloroethane ND 10 ug/l
67-66-3 Chloroform ND 10 ug/l
95-49-8 o-Chlorotoluene ND 10 ug/l
106-43-4 p-Chlorotoluene ND 10 ug/l
124-48-1 Dibromochloromethane ND 4.0 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 10 ug/l
106-93-4 1,2-Dibromoethane ND 10 ug/l
75-71-8 Dichlorodifluoromethane ND 10 ug/l
541-73-1 m-Dichlorobenzene ND 10 ug/l
95-50-1 o-Dichlorobenzene ND 10 ug/l
106-46-7 p-Dichlorobenzene ND 10 ug/l
75-34-3 1,1-Dichloroethane ND 10 ug/l
107-06-2 1,2-Dichloroethane 13.5 4.0 ug/l
75-35-4 1,1-Dichloroethylene ND 10 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 10 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 10 ug/l
78-87-5 1,2-Dichloropropane ND 6.0 ug/l
142-28-9 1,3-Dichloropropane ND 10 ug/l
594-20-7 2,2-Dichloropropane ND 10 ug/l
563-58-6 1,1-Dichloropropene ND 10 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 4.0 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
15 of 52
LA6936333.4
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:PW-4B
Lab Sample ID:LA69363-4 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 4.0 ug/l
108-20-3 Di-Isopropyl Ether 29.4 10 ug/l
64-17-5 Ethyl Alcohol ND 1000 ug/l
100-41-4 Ethylbenzene ND 10 ug/l
591-78-6 2-Hexanone ND 20 ug/l
87-68-3 Hexachlorobutadiene ND 4.0 ug/l
98-82-8 Isopropylbenzene ND 10 ug/l
99-87-6 p-Isopropyltoluene ND 10 ug/l
74-83-9 Methyl Bromide ND 10 ug/l
74-87-3 Methyl Chloride ND 10 ug/l
74-95-3 Methylene Bromide ND 10 ug/l
75-09-2 Methylene Chloride ND 10 ug/l
78-93-3 Methyl Ethyl Ketone ND 500 ug/l
108-10-1 4-Methyl-2-pentanone ND 10 ug/l
1634-04-4 Methyl Tert Butyl Ether 1600 10 ug/l
91-20-3 Naphthalene ND 10 ug/l
103-65-1 n-Propylbenzene ND 10 ug/l
100-42-5 Styrene ND 10 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 10 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 4.0 ug/l
127-18-4 Tetrachloroethylene ND 10 ug/l
108-88-3 Toluene ND 200 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 10 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 10 ug/l
71-55-6 1,1,1-Trichloroethane ND 10 ug/l
79-00-5 1,1,2-Trichloroethane ND 6.0 ug/l
79-01-6 Trichloroethylene ND 10 ug/l
75-69-4 Trichlorofluoromethane ND 10 ug/l
96-18-4 1,2,3-Trichloropropane ND 10 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 10 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 10 ug/l
108-05-4 Vinyl Acetate ND 10 ug/l
75-01-4 Vinyl Chloride ND 2.0 ug/l
m,p-Xylene ND 20 ug/l
95-47-6 o-Xylene ND 10 ug/l
1330-20-7 Xylene (total)ND 10 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 113%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
16 of 52
LA6936333.4
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:PW-4B
Lab Sample ID:LA69363-4 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 95%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
17 of 52
LA6936333.4
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-1
Lab Sample ID:LA69363-5 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133440.D 1 02/10/21 17:10 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
18 of 52
LA6936333.5
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-1
Lab Sample ID:LA69363-5 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether 1.6 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 100%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
19 of 52
LA6936333.5
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-1
Lab Sample ID:LA69363-5 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 97%70-130%
460-00-4 4-Bromofluorobenzene 92%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
20 of 52
LA6936333.5
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-2
Lab Sample ID:LA69363-6 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133441.D 1 02/10/21 17:40 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
21 of 52
LA6936333.6
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-2
Lab Sample ID:LA69363-6 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 106%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
22 of 52
LA6936333.6
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-2
Lab Sample ID:LA69363-6 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 98%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
23 of 52
LA6936333.6
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-5
Lab Sample ID:LA69363-7 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133442.D 1 02/10/21 18:09 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
24 of 52
LA6936333.7
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-5
Lab Sample ID:LA69363-7 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether 0.93 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 108%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
25 of 52
LA6936333.7
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-5
Lab Sample ID:LA69363-7 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 99%70-130%
460-00-4 4-Bromofluorobenzene 93%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
26 of 52
LA6936333.7
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-6
Lab Sample ID:LA69363-8 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0133443.D 1 02/10/21 18:39 CP n/a n/a V2K2750
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL Units Q
67-64-1 Acetone ND 10 ug/l
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
27 of 52
LA6936333.8
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-6
Lab Sample ID:LA69363-8 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Compound Result RL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 10 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 114%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
28 of 52
LA6936333.8
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-6
Lab Sample ID:LA69363-8 Date Sampled:02/05/21
Matrix:AQ - Ground Water Date Received:02/09/21
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony-Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 95%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
ND = Not detected J = Indicates an estimated value
RL = Reporting Limit B = Indicates analyte found in associated method blank
E = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound
29 of 52
LA6936333.8
SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
• Chain of Custody
Scott, LA
Section 4
30 of 52
LA693634
LA69363: Chain of Custody
Page 1 of 3
31 of 52
LA6936344.1
LA69363: Chain of Custody
Page 2 of 3
32 of 52
LA6936344.1
Job Number:LA69363 Client:ATC
Date / Time Received:2/9/2021 9:10:00 AM Delivery Method:UPS
Project:MT. HARMONY
4. No. Coolers:1
Airbill #'s:4913 862 3704
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Cooler temp verification:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
IR Gun
Ice (direct contact)
Quality Control Preservation Y or N N/A
1. Trip Blank present / cooler:
2. Trip Blank listed on COC:
3. Samples preserved properly:
4. VOCs headspace free:
Sample Integrity - Documentation Y or N
1. Sample labels present on bottles:
2. Container labeling complete:
3. Sample container label / COC agree:
Sample Integrity - Condition Y or N
1. Sample recvd within HT:
3. Condition of sample:
2. All containers accounted for:
Sample Integrity - Instructions
1. Analysis requested is clear:
2. Bottles received for unspecified tests
3. Sufficient volume recvd for analysis:
4. Compositing instructions clear:
5. Filtering instructions clear:
Intact
Y or N
Comments Trip blank is scratched out on COC but lab received 2 vials for trip blank.
Y or N N/A
Cooler Temps:#1: (2.3/2.3);
SGS Sample Receipt Summary
Amy Jackson 2/12/2021Responded to by:Response Date:
LA69363: Chain of Custody
Page 3 of 3
33 of 52
LA6936344.1
SGS North America Inc.
MS Volatiles
QC Data Summaries
Includes the following where applicable:
• Method Blank Summaries
• Blank Spike Summaries
• Matrix Spike and Duplicate Summaries
Scott, LA
Section 5
34 of 52
LA693635
Method Blank Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-MB1 2K0133431.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
CAS No.Compound Result RL Units Q
67-64-1 Acetone 1.9 10 ug/l J
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
35 of 52
LA6936355.1.1
Method Blank Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-MB1 2K0133431.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
CAS No.Compound Result RL Units Q
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 0.50 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
36 of 52
LA6936355.1.1
Method Blank Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-MB1 2K0133431.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 106%70-130%
2037-26-5 Toluene-D8 100%70-130%
460-00-4 4-Bromofluorobenzene 97%70-130%
37 of 52
LA6936355.1.1
Method Blank Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-MB1 2K0133459.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
CAS No.Compound Result RL Units Q
67-64-1 Acetone 2.0 10 ug/l J
71-43-2 Benzene ND 0.50 ug/l
108-86-1 Bromobenzene ND 0.50 ug/l
74-97-5 Bromochloromethane ND 0.50 ug/l
75-27-4 Bromodichloromethane ND 0.50 ug/l
75-25-2 Bromoform ND 0.50 ug/l
104-51-8 n-Butylbenzene ND 0.50 ug/l
135-98-8 sec-Butylbenzene ND 0.50 ug/l
98-06-6 tert-Butylbenzene ND 0.50 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 ug/l
108-90-7 Chlorobenzene ND 0.50 ug/l
75-00-3 Chloroethane ND 0.50 ug/l
67-66-3 Chloroform ND 0.50 ug/l
95-49-8 o-Chlorotoluene ND 0.50 ug/l
106-43-4 p-Chlorotoluene ND 0.50 ug/l
124-48-1 Dibromochloromethane ND 0.20 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 ug/l
10061-02-6 trans-1,3-Dichloropropene ND 0.20 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 ug/l
64-17-5 Ethyl Alcohol ND 50 ug/l
100-41-4 Ethylbenzene ND 0.50 ug/l
38 of 52
LA6936355.1.2
Method Blank Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-MB1 2K0133459.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
CAS No.Compound Result RL Units Q
591-78-6 2-Hexanone ND 1.0 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 ug/l
98-82-8 Isopropylbenzene ND 0.50 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 ug/l
74-83-9 Methyl Bromide ND 0.50 ug/l
74-87-3 Methyl Chloride ND 0.50 ug/l
74-95-3 Methylene Bromide ND 0.50 ug/l
75-09-2 Methylene Chloride ND 0.50 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 ug/l
91-20-3 Naphthalene ND 0.50 ug/l
103-65-1 n-Propylbenzene ND 0.50 ug/l
100-42-5 Styrene ND 0.50 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 ug/l
127-18-4 Tetrachloroethylene ND 0.50 ug/l
108-88-3 Toluene ND 0.50 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 ug/l
79-01-6 Trichloroethylene ND 0.50 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 ug/l
108-05-4 Vinyl Acetate ND 0.50 ug/l
75-01-4 Vinyl Chloride ND 0.10 ug/l
m,p-Xylene ND 1.0 ug/l
95-47-6 o-Xylene ND 0.50 ug/l
1330-20-7 Xylene (total)ND 0.50 ug/l
39 of 52
LA6936355.1.2
Method Blank Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-MB1 2K0133459.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 108%70-130%
2037-26-5 Toluene-D8 98%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
40 of 52
LA6936355.1.2
Blank Spike/Blank Spike Duplicate Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-BS1 2K0133428.D 1 02/10/21 CP n/a n/a V2K2750
V2K2750-BSD1 2K0133429.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
67-64-1 Acetone 50 65.0 130 64.9 130 0 70-130/30
71-43-2 Benzene 20 19.8 99 20.9 105 5 70-130/30
108-86-1 Bromobenzene 20 20.2 101 21.1 106 4 70-130/30
74-97-5 Bromochloromethane 20 20.4 102 21.3 107 4 70-130/30
75-27-4 Bromodichloromethane 20 21.1 106 23.5 118 11 70-130/30
75-25-2 Bromoform 20 18.8 94 19.4 97 3 70-130/30
104-51-8 n-Butylbenzene 20 22.4 112 23.6 118 5 70-130/30
135-98-8 sec-Butylbenzene 20 21.2 106 22.5 113 6 70-130/30
98-06-6 tert-Butylbenzene 20 20.9 105 22.1 111 6 70-130/30
56-23-5 Carbon Tetrachloride 20 21.6 108 22.9 115 6 70-130/30
108-90-7 Chlorobenzene 20 20.2 101 21.4 107 6 70-130/30
75-00-3 Chloroethane 20 21.0 105 21.3 107 1 60-140/30
67-66-3 Chloroform 20 20.2 101 21.2 106 5 70-130/30
95-49-8 o-Chlorotoluene 20 20.7 104 21.8 109 5 70-130/30
106-43-4 p-Chlorotoluene 20 20.3 102 21.6 108 6 70-130/30
124-48-1 Dibromochloromethane 20 19.1 96 20.0 100 5 70-130/30
96-12-8 1,2-Dibromo-3-chloropropane 20 19.8 99 20.0 100 1 70-130/30
106-93-4 1,2-Dibromoethane 20 21.2 106 22.1 111 4 70-130/30
75-71-8 Dichlorodifluoromethane 20 23.4 117 23.5 118 0 60-140/30
541-73-1 m-Dichlorobenzene 20 20.2 101 21.4 107 6 70-130/30
95-50-1 o-Dichlorobenzene 20 19.9 100 20.9 105 5 70-130/30
106-46-7 p-Dichlorobenzene 20 19.9 100 20.8 104 4 70-130/30
75-34-3 1,1-Dichloroethane 20 20.5 103 21.3 107 4 70-130/30
107-06-2 1,2-Dichloroethane 20 19.8 99 20.6 103 4 70-130/30
75-35-4 1,1-Dichloroethylene 20 20.4 102 21.8 109 7 70-130/30
156-59-2 cis-1,2-Dichloroethylene 20 20.6 103 21.7 109 5 70-130/30
156-60-5 trans-1,2-Dichloroethylene 20 18.0 90 20.3 102 12 70-130/30
78-87-5 1,2-Dichloropropane 20 20.5 103 21.2 106 3 70-130/30
142-28-9 1,3-Dichloropropane 20 20.5 103 21.5 108 5 70-130/30
594-20-7 2,2-Dichloropropane 20 23.8 119 24.5 123 3 70-130/30
563-58-6 1,1-Dichloropropene 20 20.9 105 22.1 111 6 70-130/30
10061-01-5 cis-1,3-Dichloropropene 20 19.4 97 20.2 101 4 70-130/30
10061-02-6 trans-1,3-Dichloropropene 20 19.6 98 20.9 105 6 70-130/30
108-20-3 Di-Isopropyl Ether 20 21.5 108 22.6 113 5 70-130/30
64-17-5 Ethyl Alcohol 400 398 100 391 98 2 70-130/30
100-41-4 Ethylbenzene 20 20.9 105 22.1 111 6 70-130/30
* = Outside of Control Limits.
41 of 52
LA6936355.2.1
Blank Spike/Blank Spike Duplicate Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-BS1 2K0133428.D 1 02/10/21 CP n/a n/a V2K2750
V2K2750-BSD1 2K0133429.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
591-78-6 2-Hexanone 50 50.7 101 52.4 105 3 70-130/30
87-68-3 Hexachlorobutadiene 20 20.1 101 21.7 109 8 70-130/30
98-82-8 Isopropylbenzene 20 21.7 109 23.0 115 6 70-130/30
99-87-6 p-Isopropyltoluene 20 21.9 110 23.3 117 6 70-130/30
74-83-9 Methyl Bromide 20 20.5 103 21.0 105 2 60-140/30
74-87-3 Methyl Chloride 20 20.9 105 21.1 106 1 60-140/30
74-95-3 Methylene Bromide 20 20.7 104 20.7 104 0 70-130/30
75-09-2 Methylene Chloride 20 21.4 107 22.0 110 3 70-130/30
78-93-3 Methyl Ethyl Ketone 50 56.7 113 57.6 115 2 70-130/30
108-10-1 4-Methyl-2-pentanone 50 48.3 97 50.5 101 4 70-130/30
1634-04-4 Methyl Tert Butyl Ether 20 21.2 106 21.8 109 3 70-130/30
91-20-3 Naphthalene 20 19.5 98 20.2 101 4 70-130/30
103-65-1 n-Propylbenzene 20 20.7 104 22.2 111 7 70-130/30
100-42-5 Styrene 20 21.8 109 23.0 115 5 70-130/30
630-20-6 1,1,1,2-Tetrachloroethane 20 22.5 113 23.4 117 4 70-130/30
79-34-5 1,1,2,2-Tetrachloroethane 20 19.7 99 20.3 102 3 70-130/30
127-18-4 Tetrachloroethylene 20 20.5 103 21.6 108 5 70-130/30
108-88-3 Toluene 20 19.7 99 20.7 104 5 70-130/30
87-61-6 1,2,3-Trichlorobenzene 20 21.9 110 22.6 113 3 70-130/30
120-82-1 1,2,4-Trichlorobenzene 20 21.7 109 22.6 113 4 70-130/30
71-55-6 1,1,1-Trichloroethane 20 21.3 107 22.3 112 5 70-130/30
79-00-5 1,1,2-Trichloroethane 20 20.7 104 21.4 107 3 70-130/30
79-01-6 Trichloroethylene 20 20.6 103 21.4 107 4 70-130/30
75-69-4 Trichlorofluoromethane 20 22.9 115 23.0 115 0 60-140/30
96-18-4 1,2,3-Trichloropropane 20 21.0 105 19.7 99 6 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 20.9 105 22.2 111 6 70-130/30
108-67-8 1,3,5-Trimethylbenzene 20 21.2 106 22.5 113 6 70-130/30
108-05-4 Vinyl Acetate 20 25.1 126 25.6 128 2 70-130/30
75-01-4 Vinyl Chloride 20 22.2 111 22.7 114 2 60-140/30
m,p-Xylene 40 43.7 109 46.1 115 5 70-130/30
95-47-6 o-Xylene 20 22.1 111 23.5 118 6 70-130/30
1330-20-7 Xylene (total)60 65.8 110 69.6 116 6 70-130/30
* = Outside of Control Limits.
42 of 52
LA6936355.2.1
Blank Spike/Blank Spike Duplicate Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2750-BS1 2K0133428.D 1 02/10/21 CP n/a n/a V2K2750
V2K2750-BSD1 2K0133429.D 1 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 103%100%70-130%
2037-26-5 Toluene-D8 102%101%70-130%
460-00-4 4-Bromofluorobenzene 104%106%70-130%
* = Outside of Control Limits.
43 of 52
LA6936355.2.1
Blank Spike/Blank Spike Duplicate Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-BS1 2K0133456.D 1 02/11/21 PJ n/a n/a V2K2751
V2K2751-BSD1 2K0133457.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
67-64-1 Acetone 50 47.0 94 47.1 94 0 70-130/30
71-43-2 Benzene 20 20.6 103 20.4 102 1 70-130/30
108-86-1 Bromobenzene 20 21.0 105 20.4 102 3 70-130/30
74-97-5 Bromochloromethane 20 21.5 108 21.1 106 2 70-130/30
75-27-4 Bromodichloromethane 20 22.7 114 22.8 114 0 70-130/30
75-25-2 Bromoform 20 18.9 95 18.5 93 2 70-130/30
104-51-8 n-Butylbenzene 20 22.9 115 22.5 113 2 70-130/30
135-98-8 sec-Butylbenzene 20 21.6 108 21.3 107 1 70-130/30
98-06-6 tert-Butylbenzene 20 21.6 108 21.3 107 1 70-130/30
56-23-5 Carbon Tetrachloride 20 22.9 115 22.5 113 2 70-130/30
108-90-7 Chlorobenzene 20 20.9 105 20.5 103 2 70-130/30
75-00-3 Chloroethane 20 21.3 107 20.6 103 3 60-140/30
67-66-3 Chloroform 20 21.3 107 20.7 104 3 70-130/30
95-49-8 o-Chlorotoluene 20 20.9 105 20.7 104 1 70-130/30
106-43-4 p-Chlorotoluene 20 21.0 105 20.6 103 2 70-130/30
124-48-1 Dibromochloromethane 20 19.7 99 19.3 97 2 70-130/30
96-12-8 1,2-Dibromo-3-chloropropane 20 19.3 97 19.6 98 2 70-130/30
106-93-4 1,2-Dibromoethane 20 21.7 109 21.3 107 2 70-130/30
75-71-8 Dichlorodifluoromethane 20 24.1 121 23.5 118 3 60-140/30
541-73-1 m-Dichlorobenzene 20 20.5 103 20.3 102 1 70-130/30
95-50-1 o-Dichlorobenzene 20 20.0 100 20.1 101 0 70-130/30
106-46-7 p-Dichlorobenzene 20 20.3 102 20.2 101 0 70-130/30
75-34-3 1,1-Dichloroethane 20 21.6 108 21.0 105 3 70-130/30
107-06-2 1,2-Dichloroethane 20 20.5 103 20.4 102 0 70-130/30
75-35-4 1,1-Dichloroethylene 20 21.5 108 21.0 105 2 70-130/30
156-59-2 cis-1,2-Dichloroethylene 20 21.4 107 21.1 106 1 70-130/30
156-60-5 trans-1,2-Dichloroethylene 20 18.4 92 21.8 109 17 70-130/30
78-87-5 1,2-Dichloropropane 20 20.8 104 20.7 104 0 70-130/30
142-28-9 1,3-Dichloropropane 20 20.8 104 20.5 103 1 70-130/30
594-20-7 2,2-Dichloropropane 20 24.2 121 22.9 115 6 70-130/30
563-58-6 1,1-Dichloropropene 20 22.3 112 21.7 109 3 70-130/30
10061-01-5 cis-1,3-Dichloropropene 20 19.5 98 19.5 98 0 70-130/30
10061-02-6 trans-1,3-Dichloropropene 20 20.2 101 19.9 100 1 70-130/30
108-20-3 Di-Isopropyl Ether 20 21.9 110 21.5 108 2 70-130/30
64-17-5 Ethyl Alcohol 400 385 96 388 97 1 70-130/30
100-41-4 Ethylbenzene 20 21.8 109 21.2 106 3 70-130/30
* = Outside of Control Limits.
44 of 52
LA6936355.2.2
Blank Spike/Blank Spike Duplicate Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-BS1 2K0133456.D 1 02/11/21 PJ n/a n/a V2K2751
V2K2751-BSD1 2K0133457.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
591-78-6 2-Hexanone 50 44.6 89 44.0 88 1 70-130/30
87-68-3 Hexachlorobutadiene 20 20.6 103 19.9 100 3 70-130/30
98-82-8 Isopropylbenzene 20 22.7 114 22.0 110 3 70-130/30
99-87-6 p-Isopropyltoluene 20 22.4 112 22.2 111 1 70-130/30
74-83-9 Methyl Bromide 20 21.2 106 20.5 103 3 60-140/30
74-87-3 Methyl Chloride 20 21.5 108 20.9 105 3 60-140/30
74-95-3 Methylene Bromide 20 20.8 104 20.6 103 1 70-130/30
75-09-2 Methylene Chloride 20 22.1 111 21.7 109 2 70-130/30
78-93-3 Methyl Ethyl Ketone 50 48.7 97 48.3 97 1 70-130/30
108-10-1 4-Methyl-2-pentanone 50 47.6 95 47.7 95 0 70-130/30
1634-04-4 Methyl Tert Butyl Ether 20 21.2 106 21.0 105 1 70-130/30
91-20-3 Naphthalene 20 19.4 97 19.5 98 1 70-130/30
103-65-1 n-Propylbenzene 20 21.3 107 21.2 106 0 70-130/30
100-42-5 Styrene 20 22.7 114 22.2 111 2 70-130/30
630-20-6 1,1,1,2-Tetrachloroethane 20 23.1 116 22.8 114 1 70-130/30
79-34-5 1,1,2,2-Tetrachloroethane 20 19.5 98 19.6 98 1 70-130/30
127-18-4 Tetrachloroethylene 20 21.7 109 20.8 104 4 70-130/30
108-88-3 Toluene 20 20.5 103 20.0 100 2 70-130/30
87-61-6 1,2,3-Trichlorobenzene 20 21.9 110 21.9 110 0 70-130/30
120-82-1 1,2,4-Trichlorobenzene 20 22.0 110 21.8 109 1 70-130/30
71-55-6 1,1,1-Trichloroethane 20 22.6 113 21.7 109 4 70-130/30
79-00-5 1,1,2-Trichloroethane 20 21.1 106 20.6 103 2 70-130/30
79-01-6 Trichloroethylene 20 21.2 106 21.3 107 0 70-130/30
75-69-4 Trichlorofluoromethane 20 23.8 119 22.7 114 5 60-140/30
96-18-4 1,2,3-Trichloropropane 20 21.1 106 21.0 105 0 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 21.4 107 21.3 107 0 70-130/30
108-67-8 1,3,5-Trimethylbenzene 20 21.7 109 21.4 107 1 70-130/30
108-05-4 Vinyl Acetate 20 24.2 121 23.7 119 2 70-130/30
75-01-4 Vinyl Chloride 20 22.6 113 21.5 108 5 60-140/30
m,p-Xylene 40 45.6 114 44.3 111 3 70-130/30
95-47-6 o-Xylene 20 23.1 116 22.5 113 3 70-130/30
1330-20-7 Xylene (total)60 68.8 115 66.9 112 3 70-130/30
* = Outside of Control Limits.
45 of 52
LA6936355.2.2
Blank Spike/Blank Spike Duplicate Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K2751-BS1 2K0133456.D 1 02/11/21 PJ n/a n/a V2K2751
V2K2751-BSD1 2K0133457.D 1 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 102%100%70-130%
2037-26-5 Toluene-D8 99%101%70-130%
460-00-4 4-Bromofluorobenzene 105%103%70-130%
* = Outside of Control Limits.
46 of 52
LA6936355.2.2
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69364-1MS 2K0133447.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1MSD 2K0133448.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1 a 2K0133445.D 5 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
LA69364-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
67-64-1 Acetone 7.8 250 170 65* b 250 177 68* b 4 70-130/20
71-43-2 Benzene ND 100 99.2 99 100 104 104 5 70-130/20
108-86-1 Bromobenzene ND 100 101 101 100 106 106 5 70-130/20
74-97-5 Bromochloromethane ND 100 107 107 100 107 107 0 70-130/20
75-27-4 Bromodichloromethane ND 100 107 107 100 113 113 5 70-130/20
75-25-2 Bromoform ND 100 90.7 91 100 94.4 94 4 70-130/20
104-51-8 n-Butylbenzene ND 100 104 104 100 110 110 6 70-130/20
135-98-8 sec-Butylbenzene ND 100 103 103 100 109 109 6 70-130/20
98-06-6 tert-Butylbenzene ND 100 103 103 100 110 110 7 70-130/20
56-23-5 Carbon Tetrachloride ND 100 112 112 100 115 115 3 70-130/20
108-90-7 Chlorobenzene ND 100 101 101 100 106 106 5 70-130/20
75-00-3 Chloroethane ND 100 100 100 100 102 102 2 60-140/20
67-66-3 Chloroform ND 100 104 104 100 106 106 2 70-130/20
95-49-8 o-Chlorotoluene ND 100 102 102 100 108 108 6 70-130/20
106-43-4 p-Chlorotoluene ND 100 100 100 100 106 106 6 70-130/20
124-48-1 Dibromochloromethane ND 100 93.2 93 100 100 100 7 70-130/20
96-12-8 1,2-Dibromo-3-chloropropane ND 100 94.1 94 100 98.3 98 4 70-130/20
106-93-4 1,2-Dibromoethane ND 100 107 107 100 112 112 5 70-130/20
75-71-8 Dichlorodifluoromethane ND 100 105 105 100 106 106 1 60-140/20
541-73-1 m-Dichlorobenzene ND 100 98.8 99 100 105 105 6 70-130/20
95-50-1 o-Dichlorobenzene ND 100 97.9 98 100 104 104 6 70-130/20
106-46-7 p-Dichlorobenzene ND 100 97.4 97 100 103 103 6 70-130/20
75-34-3 1,1-Dichloroethane ND 100 106 106 100 108 108 2 70-130/20
107-06-2 1,2-Dichloroethane ND 100 99.8 100 100 106 106 6 70-130/20
75-35-4 1,1-Dichloroethylene ND 100 104 104 100 108 108 4 70-130/20
156-59-2 cis-1,2-Dichloroethylene ND 100 106 106 100 109 109 3 70-130/20
156-60-5 trans-1,2-Dichloroethylene ND 100 86.4 86 100 90.1 90 4 70-130/20
78-87-5 1,2-Dichloropropane ND 100 101 101 100 106 106 5 70-130/20
142-28-9 1,3-Dichloropropane ND 100 103 103 100 108 108 5 70-130/20
594-20-7 2,2-Dichloropropane ND 100 98.9 99 100 104 104 5 70-130/20
563-58-6 1,1-Dichloropropene ND 100 107 107 100 108 108 1 70-130/20
10061-01-5 cis-1,3-Dichloropropene ND 100 90.8 91 100 95.1 95 5 70-130/20
10061-02-6 trans-1,3-Dichloropropene ND 100 94.7 95 100 101 101 6 70-130/20
108-20-3 Di-Isopropyl Ether 2.4 100 111 109 100 113 111 2 70-130/20
64-17-5 Ethyl Alcohol ND 2000 2060 103 2000 2300 115 11 70-130/20
100-41-4 Ethylbenzene ND 100 104 104 100 110 110 6 70-130/20
* = Outside of Control Limits.
47 of 52
LA6936355.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69364-1MS 2K0133447.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1MSD 2K0133448.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1 a 2K0133445.D 5 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
LA69364-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
591-78-6 2-Hexanone ND 250 206 82 250 255 102 21* b 70-130/20
87-68-3 Hexachlorobutadiene ND 100 87.2 87 100 92.1 92 5 70-130/20
98-82-8 Isopropylbenzene ND 100 106 106 100 113 113 6 70-130/20
99-87-6 p-Isopropyltoluene ND 100 106 106 100 111 111 5 70-130/20
74-83-9 Methyl Bromide ND 100 80.1 80 100 94.8 95 17 60-140/20
74-87-3 Methyl Chloride ND 100 99.4 99 100 102 102 3 60-140/20
74-95-3 Methylene Bromide ND 100 101 101 100 105 105 4 70-130/20
75-09-2 Methylene Chloride ND 100 107 107 100 109 109 2 70-130/20
78-93-3 Methyl Ethyl Ketone ND 250 228 91 250 234 94 3 70-130/20
108-10-1 4-Methyl-2-pentanone ND 250 230 92 250 245 98 6 70-130/20
1634-04-4 Methyl Tert Butyl Ether 26.8 100 132 105 100 136 109 3 70-130/20
91-20-3 Naphthalene ND 100 89.9 90 100 98.0 98 9 70-130/20
103-65-1 n-Propylbenzene ND 100 101 101 100 109 109 8 70-130/20
100-42-5 Styrene ND 100 108 108 100 115 115 6 70-130/20
630-20-6 1,1,1,2-Tetrachloroethane ND 100 113 113 100 119 119 5 70-130/20
79-34-5 1,1,2,2-Tetrachloroethane ND 100 100 100 100 105 105 5 70-130/20
127-18-4 Tetrachloroethylene ND 100 99.8 100 100 106 106 6 70-130/20
108-88-3 Toluene ND 100 98.2 98 100 104 104 6 70-130/20
87-61-6 1,2,3-Trichlorobenzene ND 100 100 100 100 109 109 9 70-130/20
120-82-1 1,2,4-Trichlorobenzene ND 100 99.3 99 100 108 108 8 70-130/20
71-55-6 1,1,1-Trichloroethane ND 100 109 109 100 112 112 3 70-130/20
79-00-5 1,1,2-Trichloroethane ND 100 101 101 100 106 106 5 70-130/20
79-01-6 Trichloroethylene ND 100 99.0 99 100 103 103 4 70-130/20
75-69-4 Trichlorofluoromethane ND 100 114 114 100 113 113 1 60-140/20
96-18-4 1,2,3-Trichloropropane ND 100 105 105 100 109 109 4 70-130/20
95-63-6 1,2,4-Trimethylbenzene ND 100 102 102 100 109 109 7 70-130/20
108-67-8 1,3,5-Trimethylbenzene ND 100 104 104 100 110 110 6 70-130/20
108-05-4 Vinyl Acetate ND 100 130 130 100 130 130 0 70-130/20
75-01-4 Vinyl Chloride ND 100 101 101 100 106 106 5 60-140/20
m,p-Xylene ND 200 217 109 200 229 115 5 70-130/20
95-47-6 o-Xylene ND 100 110 110 100 116 116 5 70-130/20
1330-20-7 Xylene (total)ND 300 327 109 300 345 115 5 70-130/20
* = Outside of Control Limits.
48 of 52
LA6936355.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69364-1MS 2K0133447.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1MSD 2K0133448.D 5 02/10/21 CP n/a n/a V2K2750
LA69364-1 a 2K0133445.D 5 02/10/21 CP n/a n/a V2K2750
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-3, LA69363-4, LA69363-5, LA69363-6, LA69363-7, LA69363-8
CAS No.Surrogate Recoveries MS MSD LA69364-1 Limits
17060-07-0 1,2-Dichloroethane-D4 104%102%111%70-130%
2037-26-5 Toluene-D8 100%99%98%70-130%
460-00-4 4-Bromofluorobenzene 105%104%93%70-130%
(a) Sample used for QC purposes only.
(b) Outside control limits due to matrix interference. Blank Spike meets acceptance criteria.
* = Outside of Control Limits.
49 of 52
LA6936355.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69363-1MS 2K0133468.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1MSD 2K0133469.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133467.D 20 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133466.D 50 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
LA69363-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
67-64-1 Acetone 25.1 2500 1620 64* a 2500 1660 65* a 2 70-130/20
71-43-2 Benzene 14.6 1000 1080 107 1000 1020 101 6 70-130/20
108-86-1 Bromobenzene ND 1000 1060 106 1000 1020 102 4 70-130/20
74-97-5 Bromochloromethane ND 1000 1090 109 1000 1060 106 3 70-130/20
75-27-4 Bromodichloromethane ND 1000 1200 120 1000 1110 111 8 70-130/20
75-25-2 Bromoform ND 1000 926 93 1000 905 91 2 70-130/20
104-51-8 n-Butylbenzene ND 1000 1120 112 1000 1070 107 5 70-130/20
135-98-8 sec-Butylbenzene ND 1000 1080 108 1000 1050 105 3 70-130/20
98-06-6 tert-Butylbenzene ND 1000 1090 109 1000 1040 104 5 70-130/20
56-23-5 Carbon Tetrachloride ND 1000 1190 119 1000 1120 112 6 70-130/20
108-90-7 Chlorobenzene ND 1000 1070 107 1000 1020 102 5 70-130/20
75-00-3 Chloroethane ND 1000 1060 106 1000 981 98 8 60-140/20
67-66-3 Chloroform ND 1000 1100 110 1000 1090 109 1 70-130/20
95-49-8 o-Chlorotoluene ND 1000 1050 105 1000 1040 104 1 70-130/20
106-43-4 p-Chlorotoluene ND 1000 1060 106 1000 1010 101 5 70-130/20
124-48-1 Dibromochloromethane ND 1000 988 99 1000 967 97 2 70-130/20
96-12-8 1,2-Dibromo-3-chloropropane ND 1000 928 93 1000 958 96 3 70-130/20
106-93-4 1,2-Dibromoethane ND 1000 1110 111 1000 1060 106 5 70-130/20
75-71-8 Dichlorodifluoromethane ND 1000 1210 121 1000 1120 112 8 60-140/20
541-73-1 m-Dichlorobenzene ND 1000 1030 103 1000 1010 101 2 70-130/20
95-50-1 o-Dichlorobenzene ND 1000 1020 102 1000 997 100 2 70-130/20
106-46-7 p-Dichlorobenzene ND 1000 1020 102 1000 995 100 2 70-130/20
75-34-3 1,1-Dichloroethane ND 1000 1120 112 1000 1050 105 6 70-130/20
107-06-2 1,2-Dichloroethane 3.4 1000 1070 107 1000 1020 102 5 70-130/20
75-35-4 1,1-Dichloroethylene ND 1000 1100 110 1000 1040 104 6 70-130/20
156-59-2 cis-1,2-Dichloroethylene ND 1000 1120 112 1000 1060 106 6 70-130/20
156-60-5 trans-1,2-Dichloroethylene ND 1000 1240 124 1000 889 89 33* a 70-130/20
78-87-5 1,2-Dichloropropane ND 1000 1080 108 1000 1040 104 4 70-130/20
142-28-9 1,3-Dichloropropane ND 1000 1040 104 1000 1030 103 1 70-130/20
594-20-7 2,2-Dichloropropane ND 1000 1070 107 1000 1030 103 4 70-130/20
563-58-6 1,1-Dichloropropene ND 1000 1130 113 1000 1060 106 6 70-130/20
10061-01-5 cis-1,3-Dichloropropene ND 1000 990 99 1000 953 95 4 70-130/20
10061-02-6 trans-1,3-Dichloropropene ND 1000 1000 100 1000 967 97 3 70-130/20
108-20-3 Di-Isopropyl Ether 37.2 1000 1160 112 1000 1140 110 2 70-130/20
64-17-5 Ethyl Alcohol ND 20000 20300 102 20000 21000 105 3 70-130/20
100-41-4 Ethylbenzene ND 1000 1110 111 1000 1060 106 5 70-130/20
* = Outside of Control Limits.
50 of 52
LA6936355.3.2
Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69363-1MS 2K0133468.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1MSD 2K0133469.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133467.D 20 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133466.D 50 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
LA69363-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
591-78-6 2-Hexanone ND 2500 2020 81 2500 2070 83 2 70-130/20
87-68-3 Hexachlorobutadiene ND 1000 958 96 1000 928 93 3 70-130/20
98-82-8 Isopropylbenzene ND 1000 1140 114 1000 1090 109 4 70-130/20
99-87-6 p-Isopropyltoluene ND 1000 1110 111 1000 1070 107 4 70-130/20
74-83-9 Methyl Bromide ND 1000 893 89 1000 969 97 8 60-140/20
74-87-3 Methyl Chloride ND 1000 1060 106 1000 1030 103 3 60-140/20
74-95-3 Methylene Bromide ND 1000 1090 109 1000 1050 105 4 70-130/20
75-09-2 Methylene Chloride ND 1000 1130 113 1000 1120 112 1 70-130/20
78-93-3 Methyl Ethyl Ketone ND 2500 2300 92 2500 2260 90 2 70-130/20
108-10-1 4-Methyl-2-pentanone ND 2500 2380 95 2500 2360 94 1 70-130/20
1634-04-4 Methyl Tert Butyl Ether 1980 b 1000 2970 99 1000 2990 101 1 70-130/20
91-20-3 Naphthalene ND 1000 921 92 1000 955 96 4 70-130/20
103-65-1 n-Propylbenzene ND 1000 1080 108 1000 1020 102 6 70-130/20
100-42-5 Styrene ND 1000 1160 116 1000 1110 111 4 70-130/20
630-20-6 1,1,1,2-Tetrachloroethane ND 1000 1200 120 1000 1140 114 5 70-130/20
79-34-5 1,1,2,2-Tetrachloroethane ND 1000 991 99 1000 996 100 1 70-130/20
127-18-4 Tetrachloroethylene ND 1000 1040 104 1000 1000 100 4 70-130/20
108-88-3 Toluene 30.9 1000 1050 102 1000 989 96 6 70-130/20
87-61-6 1,2,3-Trichlorobenzene ND 1000 1070 107 1000 1090 109 2 70-130/20
120-82-1 1,2,4-Trichlorobenzene ND 1000 1060 106 1000 1060 106 0 70-130/20
71-55-6 1,1,1-Trichloroethane ND 1000 1170 117 1000 1100 110 6 70-130/20
79-00-5 1,1,2-Trichloroethane ND 1000 1050 105 1000 1040 104 1 70-130/20
79-01-6 Trichloroethylene ND 1000 1080 108 1000 1020 102 6 70-130/20
75-69-4 Trichlorofluoromethane ND 1000 1210 121 1000 1120 112 8 60-140/20
96-18-4 1,2,3-Trichloropropane ND 1000 1070 107 1000 1070 107 0 70-130/20
95-63-6 1,2,4-Trimethylbenzene ND 1000 1080 108 1000 1050 105 3 70-130/20
108-67-8 1,3,5-Trimethylbenzene ND 1000 1090 109 1000 1060 106 3 70-130/20
108-05-4 Vinyl Acetate ND 1000 1270 127 1000 1270 127 0 70-130/20
75-01-4 Vinyl Chloride ND 1000 1090 109 1000 1050 105 4 60-140/20
m,p-Xylene 10.7 2000 2310 115 2000 2200 109 5 70-130/20
95-47-6 o-Xylene 4.1 1000 1160 116 1000 1120 112 4 70-130/20
1330-20-7 Xylene (total)14.8 3000 3470 115 3000 3320 110 4 70-130/20
* = Outside of Control Limits.
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LA6936355.3.2
Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3
Job Number:LA69363
Account:ATCNCR ATC Group Services LLC
Project:Mt. Harmony-Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA69363-1MS 2K0133468.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1MSD 2K0133469.D 50 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133467.D 20 02/11/21 PJ n/a n/a V2K2751
LA69363-1 2K0133466.D 50 02/11/21 PJ n/a n/a V2K2751
The QC reported here applies to the following samples:Method: SM 6200B
LA69363-1, LA69363-2
CAS No.Surrogate Recoveries MS MSD LA69363-1 LA69363-1 Limits
17060-07-0 1,2-Dichloroethane-D4 104%107%105%113%70-130%
2037-26-5 Toluene-D8 103%100%97%98%70-130%
460-00-4 4-Bromofluorobenzene 105%105%93%93%70-130%
(a) Outside control limits due to matrix interference. Blank Spike meets acceptance criteria.
(b) Result is from Run #2.
* = Outside of Control Limits.
52 of 52
LA6936355.3.2