RA-1900_11589_CA_LAB_20230615

06/08/23
Technical Report for
Atlas
Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
SLC1158601
SGS Job Number: LA91046
Sampling Date: 05/25/23
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: Rebecca Hebert 337-237-4775
Kesavalu Bagawandoss
General Manager
Scott, LA 06/08/23
e-Hardcopy 2.0
Automated Report
64
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.
Please share your ideas about
how we can serve you better at:
[e-mail]
1 of 64
LA91046
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................3
Section 2: Summary of Hits ....................................................................................................4
Section 3: Sample Results ........................................................................................................7
3.1: LA91046-1: MW-1 .......................................................................................................8
3.2: LA91046-2: MW-4R ....................................................................................................11
3.3: LA91046-3: MW-5 .......................................................................................................14
3.4: LA91046-4: MW-6 .......................................................................................................17
3.5: LA91046-5: MW-7 .......................................................................................................20
3.6: LA91046-6: MW-8 .......................................................................................................23
3.7: LA91046-7: MW-9 .......................................................................................................26
3.8: LA91046-8: WSW4 ......................................................................................................29
3.9: LA91046-9: FIELD BLANK ........................................................................................32
3.10: LA91046-10: TRIP BLANK ......................................................................................35
Section 4: Misc. Forms ............................................................................................................38
4.1: Chain of Custody ...........................................................................................................39
Section 5: MS Volatiles - QC Data Summaries .....................................................................43
5.1: Method Blank Summary ................................................................................................44
5.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................51
5.3: Matrix Spike/Matrix Spike Duplicate Summary ...........................................................58 123452 of 64
LA91046
SGS North America Inc.
Sample Summary
Atlas
Job No:LA91046
Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Project No: SLC1158601
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 MDL
LA91046-1 05/25/23 14:35 BB 06/01/23 AQ Ground Water MW-1
LA91046-2 05/25/23 15:15 BB 06/01/23 AQ Ground Water MW-4R
LA91046-3 05/25/23 13:50 BB 06/01/23 AQ Ground Water MW-5
LA91046-4 05/25/23 12:00 BB 06/01/23 AQ Ground Water MW-6
LA91046-5 05/25/23 13:00 BB 06/01/23 AQ Ground Water MW-7
LA91046-6 05/25/23 11:35 BB 06/01/23 AQ Ground Water MW-8
LA91046-7 05/25/23 12:30 BB 06/01/23 AQ Ground Water MW-9
LA91046-8 05/25/23 16:05 BB 06/01/23 AQ Ground Water WSW4
LA91046-9 05/25/23 14:40 BB 06/01/23 AQ Field Blank Water FIELD BLANK
LA91046-10 05/25/23 00:00 BB 06/01/23 AQ Trip Blank Water TRIP BLANK
3 of 64
LA910461
Summary of Hits Page 1 of 3
Job Number:LA91046
Account:Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Collected:05/25/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
LA91046-1 MW-1
Benzene 1510 50 27 ug/l SM 6200B
1,2-Dibromoethane 59.4 50 24 ug/l SM 6200B
Di-Isopropyl Ether 38.9 J 50 7.3 ug/l SM 6200B
Ethylbenzene 879 50 20 ug/l SM 6200B
Isopropylbenzene 54.6 50 13 ug/l SM 6200B
p-Isopropyltoluene 51.4 50 13 ug/l SM 6200B
Naphthalene 487 50 10 ug/l SM 6200B
n-Propylbenzene 134 50 22 ug/l SM 6200B
Styrene 15.4 J 50 13 ug/l SM 6200B
Toluene 7300 50 29 ug/l SM 6200B
1,2,4-Trimethylbenzene 2580 50 15 ug/l SM 6200B
1,3,5-Trimethylbenzene 873 50 16 ug/l SM 6200B
m,p-Xylene 5430 100 34 ug/l SM 6200B
o-Xylene 2930 50 15 ug/l SM 6200B
Xylene (total)8350 50 16 ug/l SM 6200B
LA91046-2 MW-4R
Benzene 552 5.0 2.7 ug/l SM 6200B
sec-Butylbenzene 1.5 0.50 0.14 ug/l SM 6200B
1,2-Dichloroethane 7.0 0.20 0.12 ug/l SM 6200B
1,2-Dichloropropane 0.37 0.30 0.13 ug/l SM 6200B
Di-Isopropyl Ether 13.9 0.50 0.073 ug/l SM 6200B
Ethylbenzene 124 5.0 2.0 ug/l SM 6200B
2-Hexanone 1.4 1.0 0.42 ug/l SM 6200B
Isopropylbenzene 8.4 0.50 0.13 ug/l SM 6200B
p-Isopropyltoluene 0.74 0.50 0.13 ug/l SM 6200B
Naphthalene 50.5 0.50 0.10 ug/l SM 6200B
n-Propylbenzene 23.3 0.50 0.22 ug/l SM 6200B
Toluene 91.9 0.50 0.29 ug/l SM 6200B
1,2,3-Trichloropropane 2.0 0.50 0.023 ug/l SM 6200B
1,2,4-Trimethylbenzene 108 5.0 1.5 ug/l SM 6200B
1,3,5-Trimethylbenzene 39.6 0.50 0.16 ug/l SM 6200B
m,p-Xylene 341 10 3.4 ug/l SM 6200B
o-Xylene 178 5.0 1.5 ug/l SM 6200B
Xylene (total)519 5.0 1.6 ug/l SM 6200B
LA91046-3 MW-5
Toluene 0.55 0.50 0.29 ug/l SM 6200B
4 of 64
LA910462
Summary of Hits Page 2 of 3
Job Number:LA91046
Account:Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Collected:05/25/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
LA91046-4 MW-6
Benzene 3.4 0.50 0.27 ug/l SM 6200B
1,2-Dichloroethane 1.9 0.20 0.12 ug/l SM 6200B
Di-Isopropyl Ether 0.21 J 0.50 0.073 ug/l SM 6200B
Naphthalene 0.21 J 0.50 0.10 ug/l SM 6200B
Toluene 0.63 0.50 0.29 ug/l SM 6200B
o-Xylene 0.59 0.50 0.15 ug/l SM 6200B
Xylene (total)0.59 0.50 0.16 ug/l SM 6200B
LA91046-5 MW-7
Benzene 439 2.5 1.4 ug/l SM 6200B
n-Butylbenzene 0.86 J 2.5 0.46 ug/l SM 6200B
1,2-Dichloroethane 40.6 1.0 0.61 ug/l SM 6200B
Di-Isopropyl Ether 36.7 2.5 0.37 ug/l SM 6200B
Isopropylbenzene 6.9 2.5 0.66 ug/l SM 6200B
Methylene Chloride 0.63 J 2.5 0.40 ug/l SM 6200B
Methyl Tert Butyl Ether 2.7 2.5 0.34 ug/l SM 6200B
Naphthalene 35.9 2.5 0.50 ug/l SM 6200B
1,2,4-Trimethylbenzene 6.6 2.5 0.73 ug/l SM 6200B
m,p-Xylene 2.3 J 5.0 1.7 ug/l SM 6200B
o-Xylene 5.1 2.5 0.74 ug/l SM 6200B
Xylene (total)7.4 2.5 0.81 ug/l SM 6200B
LA91046-6 MW-8
Toluene 0.65 0.50 0.29 ug/l SM 6200B
LA91046-7 MW-9
Toluene 0.64 0.50 0.29 ug/l SM 6200B
LA91046-8 WSW4
Ethyl Alcohol 23.2 J 50 8.4 ug/l SM 6200B
Toluene 0.61 0.50 0.29 ug/l SM 6200B
LA91046-9 FIELD BLANK
Toluene a 0.50 0.50 0.29 ug/l SM 6200B
LA91046-10 TRIP BLANK
Acetone a 56.2 10 1.2 ug/l SM 6200B
5 of 64
LA910462
Summary of Hits Page 3 of 3
Job Number:LA91046
Account:Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Collected:05/25/23
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
Chlorobenzene a 0.60 0.50 0.16 ug/l SM 6200B
Chloroform a 0.24 J 0.50 0.094 ug/l SM 6200B
Ethyl Alcohol a 63.5 50 8.4 ug/l SM 6200B
Methylene Chloride a 19.1 0.50 0.080 ug/l SM 6200B
Methyl Ethyl Ketone a 2.1 J 25 0.28 ug/l SM 6200B
Toluene a 2.3 0.50 0.29 ug/l SM 6200B
(a) Confirmed by reanalysis.
6 of 64
LA910462
SGS North America Inc.
Sample Results
Report of Analysis
Scott, LA
Section 3
7 of 64
LA910463
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-1
Lab Sample ID:LA91046-1 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146904.D 100 06/06/23 13:51 MB n/a n/a V2K4127
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 1000 120 ug/l
71-43-2 Benzene 1510 50 27 ug/l
108-86-1 Bromobenzene ND 50 18 ug/l
74-97-5 Bromochloromethane ND 50 12 ug/l
75-27-4 Bromodichloromethane ND 50 18 ug/l
75-25-2 Bromoform ND 50 10 ug/l
104-51-8 n-Butylbenzene ND 50 9.2 ug/l
135-98-8 sec-Butylbenzene ND 50 14 ug/l
98-06-6 tert-Butylbenzene ND 50 16 ug/l
56-23-5 Carbon Tetrachloride ND 20 9.2 ug/l
108-90-7 Chlorobenzene ND 50 16 ug/l
75-00-3 Chloroethane ND 50 5.5 ug/l
67-66-3 Chloroform ND 50 9.4 ug/l
95-49-8 o-Chlorotoluene ND 50 16 ug/l
106-43-4 p-Chlorotoluene ND 50 20 ug/l
124-48-1 Dibromochloromethane ND 20 7.5 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 50 13 ug/l
106-93-4 1,2-Dibromoethane 59.4 50 24 ug/l
75-71-8 Dichlorodifluoromethane ND 50 12 ug/l
541-73-1 m-Dichlorobenzene ND 50 6.3 ug/l
95-50-1 o-Dichlorobenzene ND 50 20 ug/l
106-46-7 p-Dichlorobenzene ND 50 22 ug/l
75-34-3 1,1-Dichloroethane ND 50 10 ug/l
107-06-2 1,2-Dichloroethane ND 20 12 ug/l
75-35-4 1,1-Dichloroethylene ND 50 9.4 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 50 11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 50 15 ug/l
78-87-5 1,2-Dichloropropane ND 30 13 ug/l
142-28-9 1,3-Dichloropropane ND 50 21 ug/l
594-20-7 2,2-Dichloropropane ND 50 7.9 ug/l
563-58-6 1,1-Dichloropropene ND 50 12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 20 10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.1
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-1
Lab Sample ID:LA91046-1 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 20 5.6 ug/l
108-20-3 Di-Isopropyl Ether 38.9 50 7.3 ug/l J
64-17-5 Ethyl Alcohol ND 5000 840 ug/l
100-41-4 Ethylbenzene 879 50 20 ug/l
591-78-6 2-Hexanone ND 100 42 ug/l
87-68-3 Hexachlorobutadiene ND 20 11 ug/l
98-82-8 Isopropylbenzene 54.6 50 13 ug/l
99-87-6 p-Isopropyltoluene 51.4 50 13 ug/l
74-83-9 Methyl Bromide ND 50 23 ug/l
74-87-3 Methyl Chloride ND 50 6.6 ug/l
74-95-3 Methylene Bromide ND 50 11 ug/l
75-09-2 Methylene Chloride ND 50 8.0 ug/l
78-93-3 Methyl Ethyl Ketone ND 2500 28 ug/l
108-10-1 4-Methyl-2-pentanone ND 50 24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 50 6.8 ug/l
91-20-3 Naphthalene 487 50 10 ug/l
103-65-1 n-Propylbenzene 134 50 22 ug/l
100-42-5 Styrene 15.4 50 13 ug/l J
630-20-6 1,1,1,2-Tetrachloroethane ND 50 18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 20 12 ug/l
127-18-4 Tetrachloroethylene ND 50 22 ug/l
108-88-3 Toluene 7300 50 29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 50 16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 50 17 ug/l
71-55-6 1,1,1-Trichloroethane ND 50 16 ug/l
79-00-5 1,1,2-Trichloroethane ND 30 17 ug/l
79-01-6 Trichloroethylene ND 50 18 ug/l
75-69-4 Trichlorofluoromethane ND 50 7.3 ug/l
96-18-4 1,2,3-Trichloropropane ND 50 2.3 ug/l
95-63-6 1,2,4-Trimethylbenzene 2580 50 15 ug/l
108-67-8 1,3,5-Trimethylbenzene 873 50 16 ug/l
108-05-4 Vinyl Acetate ND 50 6.9 ug/l
75-01-4 Vinyl Chloride ND 10 7.5 ug/l
m,p-Xylene 5430 100 34 ug/l
95-47-6 o-Xylene 2930 50 15 ug/l
1330-20-7 Xylene (total)8350 50 16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 109%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.1
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-1
Lab Sample ID:LA91046-1 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 97%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.1
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-4R
Lab Sample ID:LA91046-2 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146881.D 1 06/05/23 16:42 MB n/a n/a V2K4126
Run #2 2K0146920.D 10 06/07/23 14:13 MB n/a n/a V2K4128
Run #3 a 2K0146905.D 5 06/06/23 14:20 MB n/a n/a V2K4127
Purge Volume
Run #1 25.0 ml
Run #2 25.0 ml
Run #3 25.0 ml
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene 552 b 5.0 2.7 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene 1.5 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan c ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane 7.0 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane 0.37 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.2
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-4R
Lab Sample ID:LA91046-2 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether 13.9 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene 124 b 5.0 2.0 ug/l
591-78-6 2-Hexanone 1.4 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene 8.4 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene 0.74 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene 50.5 0.50 0.10 ug/l
103-65-1 n-Propylbenzene 23.3 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 91.9 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane 2.0 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene 108 b 5.0 1.5 ug/l
108-67-8 1,3,5-Trimethylbenzene 39.6 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene 341 b 10 3.4 ug/l
95-47-6 o-Xylene 178 b 5.0 1.5 ug/l
1330-20-7 Xylene (total)519 b 5.0 1.6 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.2
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-4R
Lab Sample ID:LA91046-2 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Run# 3 Limits
17060-07-0 1,2-Dichloroethane-D4 112%110%108%70-130%
2037-26-5 Toluene-D8 98%99%100%70-130%
460-00-4 4-Bromofluorobenzene 90%97%96%70-130%
(a) Sample used for QC purposes only.
(b) Result is from Run# 2
(c) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.2
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-5
Lab Sample ID:LA91046-3 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146882.D 1 06/05/23 17:10 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.3
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-5
Lab Sample ID:LA91046-3 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 0.55 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 113%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.3
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-5
Lab Sample ID:LA91046-3 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 95%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.3
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-6
Lab Sample ID:LA91046-4 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146883.D 1 06/05/23 17:38 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene 3.4 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane 1.9 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.4
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-6
Lab Sample ID:LA91046-4 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether 0.21 0.50 0.073 ug/l J
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene 0.21 0.50 0.10 ug/l J
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 0.63 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene 0.59 0.50 0.15 ug/l
1330-20-7 Xylene (total)0.59 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 112%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.4
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-6
Lab Sample ID:LA91046-4 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 99%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.4
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-7
Lab Sample ID:LA91046-5 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146884.D 5 06/05/23 18:07 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 50 6.2 ug/l
71-43-2 Benzene 439 2.5 1.4 ug/l
108-86-1 Bromobenzene ND 2.5 0.91 ug/l
74-97-5 Bromochloromethane ND 2.5 0.61 ug/l
75-27-4 Bromodichloromethane ND 2.5 0.90 ug/l
75-25-2 Bromoform ND 2.5 0.50 ug/l
104-51-8 n-Butylbenzene 0.86 2.5 0.46 ug/l J
135-98-8 sec-Butylbenzene ND 2.5 0.71 ug/l
98-06-6 tert-Butylbenzene ND 2.5 0.79 ug/l
56-23-5 Carbon Tetrachloride ND 1.0 0.46 ug/l
108-90-7 Chlorobenzene ND 2.5 0.82 ug/l
75-00-3 Chloroethane ND 2.5 0.28 ug/l
67-66-3 Chloroform ND 2.5 0.47 ug/l
95-49-8 o-Chlorotoluene ND 2.5 0.82 ug/l
106-43-4 p-Chlorotoluene ND 2.5 1.0 ug/l
124-48-1 Dibromochloromethane ND 1.0 0.37 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 2.5 0.64 ug/l
106-93-4 1,2-Dibromoethane ND 2.5 1.2 ug/l
75-71-8 Dichlorodifluoromethane ND 2.5 0.61 ug/l
541-73-1 m-Dichlorobenzene ND 2.5 0.32 ug/l
95-50-1 o-Dichlorobenzene ND 2.5 0.98 ug/l
106-46-7 p-Dichlorobenzene ND 2.5 1.1 ug/l
75-34-3 1,1-Dichloroethane ND 2.5 0.52 ug/l
107-06-2 1,2-Dichloroethane 40.6 1.0 0.61 ug/l
75-35-4 1,1-Dichloroethylene ND 2.5 0.47 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 2.5 0.55 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 2.5 0.77 ug/l
78-87-5 1,2-Dichloropropane ND 1.5 0.63 ug/l
142-28-9 1,3-Dichloropropane ND 2.5 1.0 ug/l
594-20-7 2,2-Dichloropropane ND 2.5 0.40 ug/l
563-58-6 1,1-Dichloropropene ND 2.5 0.58 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 1.0 0.51 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.5
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-7
Lab Sample ID:LA91046-5 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 1.0 0.28 ug/l
108-20-3 Di-Isopropyl Ether 36.7 2.5 0.37 ug/l
64-17-5 Ethyl Alcohol ND 250 42 ug/l
100-41-4 Ethylbenzene ND 2.5 1.0 ug/l
591-78-6 2-Hexanone ND 5.0 2.1 ug/l
87-68-3 Hexachlorobutadiene ND 1.0 0.55 ug/l
98-82-8 Isopropylbenzene 6.9 2.5 0.66 ug/l
99-87-6 p-Isopropyltoluene ND 2.5 0.65 ug/l
74-83-9 Methyl Bromide ND 2.5 1.1 ug/l
74-87-3 Methyl Chloride ND 2.5 0.33 ug/l
74-95-3 Methylene Bromide ND 2.5 0.57 ug/l
75-09-2 Methylene Chloride 0.63 2.5 0.40 ug/l J
78-93-3 Methyl Ethyl Ketone ND 130 1.4 ug/l
108-10-1 4-Methyl-2-pentanone ND 2.5 1.2 ug/l
1634-04-4 Methyl Tert Butyl Ether 2.7 2.5 0.34 ug/l
91-20-3 Naphthalene 35.9 2.5 0.50 ug/l
103-65-1 n-Propylbenzene ND 2.5 1.1 ug/l
100-42-5 Styrene ND 2.5 0.63 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 2.5 0.92 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 1.0 0.62 ug/l
127-18-4 Tetrachloroethylene ND 2.5 1.1 ug/l
108-88-3 Toluene ND 2.5 1.5 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 2.5 0.80 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 2.5 0.85 ug/l
71-55-6 1,1,1-Trichloroethane ND 2.5 0.82 ug/l
79-00-5 1,1,2-Trichloroethane ND 1.5 0.87 ug/l
79-01-6 Trichloroethylene ND 2.5 0.90 ug/l
75-69-4 Trichlorofluoromethane ND 2.5 0.37 ug/l
96-18-4 1,2,3-Trichloropropane ND 2.5 0.11 ug/l
95-63-6 1,2,4-Trimethylbenzene 6.6 2.5 0.73 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 2.5 0.81 ug/l
108-05-4 Vinyl Acetate ND 2.5 0.34 ug/l
75-01-4 Vinyl Chloride ND 0.50 0.38 ug/l
m,p-Xylene 2.3 5.0 1.7 ug/l J
95-47-6 o-Xylene 5.1 2.5 0.74 ug/l
1330-20-7 Xylene (total)7.4 2.5 0.81 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 111%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.5
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-7
Lab Sample ID:LA91046-5 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 100%70-130%
460-00-4 4-Bromofluorobenzene 98%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.5
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-8
Lab Sample ID:LA91046-6 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146885.D 1 06/05/23 18:35 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.6
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-8
Lab Sample ID:LA91046-6 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 0.65 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 111%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.6
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-8
Lab Sample ID:LA91046-6 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 97%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.6
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:MW-9
Lab Sample ID:LA91046-7 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146886.D 1 06/05/23 19:04 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.7
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:MW-9
Lab Sample ID:LA91046-7 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 0.64 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 114%70-130%
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.7
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:MW-9
Lab Sample ID:LA91046-7 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 97%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.7
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW4
Lab Sample ID:LA91046-8 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146878.D 1 06/05/23 15:17 MB n/a n/a V2K4126
Run #2
Purge Volume
Run #1 25.0 ml
Run #2
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan a ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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 64
LA9104633.8
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW4
Lab Sample ID:LA91046-8 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol 23.2 50 8.4 ug/l J
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene 0.61 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 111%70-130%
ND = Not detected MDL = Method Detection Limit 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
30 of 64
LA9104633.8
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW4
Lab Sample ID:LA91046-8 Date Sampled:05/25/23
Matrix:AQ - Ground Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, 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 96%70-130%
(a) Provisional certification.
ND = Not detected MDL = Method Detection Limit 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
31 of 64
LA9104633.8
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA91046-9 Date Sampled:05/25/23
Matrix:AQ - Field Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146876.D 1 06/05/23 14:20 MB n/a n/a V2K4126
Run #2 a 2K0146903.D 1 06/06/23 13:22 MB n/a n/a V2K4127
Purge Volume
Run #1 25.0 ml
Run #2 25.0 ml
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropan b ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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
32 of 64
LA9104633.9
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA91046-9 Date Sampled:05/25/23
Matrix:AQ - Field Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene c 0.50 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 111%108%70-130%
ND = Not detected MDL = Method Detection Limit 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
33 of 64
LA9104633.9
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA91046-9 Date Sampled:05/25/23
Matrix:AQ - Field Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 100%100%70-130%
460-00-4 4-Bromofluorobenzene 96%95%70-130%
(a) Confirmation run.
(b) Provisional certification.
(c) Confirmed by reanalysis.
ND = Not detected MDL = Method Detection Limit 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
34 of 64
LA9104633.9
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA91046-10 Date Sampled:05/25/23
Matrix:AQ - Trip Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0146902.D 1 06/06/23 12:53 MB n/a n/a V2K4127
Run #2 a 2K0146875.D 1 06/05/23 13:52 MB n/a n/a V2K4126
Purge Volume
Run #1 25.0 ml
Run #2 25.0 ml
VOA Special List
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone b 56.2 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene b 0.60 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform b 0.24 0.50 0.094 ug/l J
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
ND = Not detected MDL = Method Detection Limit 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
35 of 64
LA9104633.10
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA91046-10 Date Sampled:05/25/23
Matrix:AQ - Trip Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Compound Result RL MDL Units Q
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol b 63.5 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride b 19.1 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone b 2.1 25 0.28 ug/l J
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene b 2.3 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 105%108%70-130%
ND = Not detected MDL = Method Detection Limit 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
36 of 64
LA9104633.10
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA91046-10 Date Sampled:05/25/23
Matrix:AQ - Trip Blank Water Date Received:06/01/23
Method:SM 6200B Percent Solids:n/a
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 98%99%70-130%
460-00-4 4-Bromofluorobenzene 93%96%70-130%
(a) Confirmation run.
(b) Confirmed by reanalysis.
ND = Not detected MDL = Method Detection Limit 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
37 of 64
LA9104633.10
SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
• Chain of Custody
Scott, LA
Section 4
38 of 64
LA910464
CHAIN OF CUSTODY PAGE \ or \PFIEIVI SGS l{orth Amertcr tnc. - Scott500 Ambassador Caff6ry parkway, Scott, LA 705g3IEL. 337.2?7.4775 FAX: [phone]
! ab*d O J
I\,4alrix codes-*'itl
A(AC6
66{PY FJDk,BD
Sv-\158@l
31.e6A44 $o{e. f(dar=/
i 3
o
frXsX,>
eeg
YtrY pirdfo( fDfia[+.ro*
e&r.rNri
"4hfit-0fr?
Field lD / Pointol Cotteclion
7vUIIiIi
tI
K x 3L
3 i,tw E K x t,l
l 1200 X X 3t1lSoO
^
X 3il35x 3tZSoffi\y (v X
Yb
jL
LI lbo(V \K '7xw3(x.303
&p.od By t$s pr):, o.r.
Ru,q- z /
3 3 4
,1
/o.
Note: Sample inventory is verified
must bo document.d betoe
Oala Oelrverabre tntormation
commorc al'c'= Rosutls +ocs!,
5
E $.r. rom3
E Eoo Fom.r
E Fuurl ( r6t tr.)
E nEDrt (L.hl3+t)
E conm.rcra|c"
Con@rcial'A' = R€suhs Ont
C@mrc'd'A'. Ro0hs + OC Summary
D s au!in.* D.y. RUSH
E 4 Bu.in6. o.yr RUSH
E 3 a!rh.$ O.y. RUSH
[ 2 Bu.rn.t! Dry. RUSH
E 1Bu.tn6$ D.y Ei|EFGE cy
D oin*
E comm6er.r.a" {L.v.r l) E rRRpE comm.Elrt"B" ( Lcvot 2) E REcAp
r I
Copy ol EHSA-OAC-@2&OCFORM.S6( , St nd6.d COC FTNAL http/www.sgs com/€n/terms-and-conditions
'o
I
Client / R
LAA USE ONLY))X
Ir5l_5
I
i I
I I I
I
Nt/U
l\l\,u 6l I
I IffirI I I I I
I
5 DElgratory
LA91046: Chain of Custody
Page 1 of 4
39 of 64
LA9104644.1
LA91046: Chain of Custody
Page 2 of 4
40 of 64
LA9104644.1
rc SAMPLE hrurttrru
SGs SCOTT LA.TABORAIORY
109 CoMlullssloN BLVD
LAFAYETTE tA 70508
(807)87 - 4175
il rilllllllllllll I ll ltlll lll I I llll lll I IlliltlllllllIlllllllIIlll ]l FedExExpraa.
I
ililililIrill
i
E
-
:
e
ffi;ITluilr0il0A
mtiloi$sr +gzg PBIoRITY ovEBlllGHT
## mASTEB #*
XH LFTA ,^-,J'lPi
$\
LA91046: Chain of Custody
Page 3 of 4
41 of 64
LA9104644.1
SGS Sample Receipt Summary
Job Number:LA91046 Client:ATC
Date / Time Received:6/1/2023 10:15:00 AM Delivery Method:FedEx
Project:BARBARA SPENCER PROPERTY
4. No. Coolers:1
Airbill #'s:5707 9051 4328
Cooler Security
1. Custody Seals Present:
Y or N
2. Custody Seals Intact:
3. COC Present:
4. Smpl Dates/Time OK
2. Thermometer ID:
Cooler Temperature Y or N
1. Temp criteria achieved:
3. Cooler media:
IR001;
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
Y or N N/A
Cooler Temps (Initial/Adjusted):#1: (3.2/3.2); IR001
LA91046: Chain of Custody
Page 4 of 4
42 of 64
LA9104644.1
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
43 of 64
LA910465
Method Blank Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-MB1 2K0146874.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol ND 50 8.4 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
44 of 64
LA9104655.1.1
Method Blank Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-MB1 2K0146874.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
CAS No.Compound Result RL MDL Units Q
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride ND 0.50 0.066 ug/l
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene ND 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
45 of 64
LA9104655.1.1
Method Blank Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-MB1 2K0146874.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 103%70-130%
2037-26-5 Toluene-D8 99%70-130%
460-00-4 4-Bromofluorobenzene 94%70-130%
46 of 64
LA9104655.1.1
Method Blank Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-MB1 2K0146901.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
CAS No.Compound Result RL MDL Units Q
67-64-1 Acetone ND 10 1.2 ug/l
71-43-2 Benzene ND 0.50 0.27 ug/l
108-86-1 Bromobenzene ND 0.50 0.18 ug/l
74-97-5 Bromochloromethane ND 0.50 0.12 ug/l
75-27-4 Bromodichloromethane ND 0.50 0.18 ug/l
75-25-2 Bromoform ND 0.50 0.10 ug/l
104-51-8 n-Butylbenzene ND 0.50 0.092 ug/l
135-98-8 sec-Butylbenzene ND 0.50 0.14 ug/l
98-06-6 tert-Butylbenzene ND 0.50 0.16 ug/l
56-23-5 Carbon Tetrachloride ND 0.20 0.092 ug/l
108-90-7 Chlorobenzene ND 0.50 0.16 ug/l
75-00-3 Chloroethane ND 0.50 0.055 ug/l
67-66-3 Chloroform ND 0.50 0.094 ug/l
95-49-8 o-Chlorotoluene ND 0.50 0.16 ug/l
106-43-4 p-Chlorotoluene ND 0.50 0.20 ug/l
124-48-1 Dibromochloromethane ND 0.20 0.075 ug/l
96-12-8 1,2-Dibromo-3-chloropropane ND 0.50 0.13 ug/l
106-93-4 1,2-Dibromoethane ND 0.50 0.24 ug/l
75-71-8 Dichlorodifluoromethane ND 0.50 0.12 ug/l
541-73-1 m-Dichlorobenzene ND 0.50 0.063 ug/l
95-50-1 o-Dichlorobenzene ND 0.50 0.20 ug/l
106-46-7 p-Dichlorobenzene ND 0.50 0.22 ug/l
75-34-3 1,1-Dichloroethane ND 0.50 0.10 ug/l
107-06-2 1,2-Dichloroethane ND 0.20 0.12 ug/l
75-35-4 1,1-Dichloroethylene ND 0.50 0.094 ug/l
156-59-2 cis-1,2-Dichloroethylene ND 0.50 0.11 ug/l
156-60-5 trans-1,2-Dichloroethylene ND 0.50 0.15 ug/l
78-87-5 1,2-Dichloropropane ND 0.30 0.13 ug/l
142-28-9 1,3-Dichloropropane ND 0.50 0.21 ug/l
594-20-7 2,2-Dichloropropane ND 0.50 0.079 ug/l
563-58-6 1,1-Dichloropropene ND 0.50 0.12 ug/l
10061-01-5 cis-1,3-Dichloropropene ND 0.20 0.10 ug/l
10061-02-6 trans-1,3-Dichloropropene ND 0.20 0.056 ug/l
108-20-3 Di-Isopropyl Ether ND 0.50 0.073 ug/l
64-17-5 Ethyl Alcohol 9.4 50 8.4 ug/l J
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
47 of 64
LA9104655.1.2
Method Blank Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-MB1 2K0146901.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
CAS No.Compound Result RL MDL Units Q
591-78-6 2-Hexanone ND 1.0 0.42 ug/l
87-68-3 Hexachlorobutadiene ND 0.20 0.11 ug/l
98-82-8 Isopropylbenzene ND 0.50 0.13 ug/l
99-87-6 p-Isopropyltoluene ND 0.50 0.13 ug/l
74-83-9 Methyl Bromide ND 0.50 0.23 ug/l
74-87-3 Methyl Chloride 0.17 0.50 0.066 ug/l J
74-95-3 Methylene Bromide ND 0.50 0.11 ug/l
75-09-2 Methylene Chloride ND 0.50 0.080 ug/l
78-93-3 Methyl Ethyl Ketone ND 25 0.28 ug/l
108-10-1 4-Methyl-2-pentanone ND 0.50 0.24 ug/l
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
91-20-3 Naphthalene ND 0.50 0.10 ug/l
103-65-1 n-Propylbenzene ND 0.50 0.22 ug/l
100-42-5 Styrene ND 0.50 0.13 ug/l
630-20-6 1,1,1,2-Tetrachloroethane ND 0.50 0.18 ug/l
79-34-5 1,1,2,2-Tetrachloroethane ND 0.20 0.12 ug/l
127-18-4 Tetrachloroethylene ND 0.50 0.22 ug/l
108-88-3 Toluene ND 0.50 0.29 ug/l
87-61-6 1,2,3-Trichlorobenzene ND 0.50 0.16 ug/l
120-82-1 1,2,4-Trichlorobenzene ND 0.50 0.17 ug/l
71-55-6 1,1,1-Trichloroethane ND 0.50 0.16 ug/l
79-00-5 1,1,2-Trichloroethane ND 0.30 0.17 ug/l
79-01-6 Trichloroethylene ND 0.50 0.18 ug/l
75-69-4 Trichlorofluoromethane ND 0.50 0.073 ug/l
96-18-4 1,2,3-Trichloropropane ND 0.50 0.023 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
108-67-8 1,3,5-Trimethylbenzene ND 0.50 0.16 ug/l
108-05-4 Vinyl Acetate ND 0.50 0.069 ug/l
75-01-4 Vinyl Chloride ND 0.10 0.075 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
48 of 64
LA9104655.1.2
Method Blank Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-MB1 2K0146901.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 110%70-130%
2037-26-5 Toluene-D8 98%70-130%
460-00-4 4-Bromofluorobenzene 96%70-130%
49 of 64
LA9104655.1.2
Method Blank Summary Page 1 of 1
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4128-MB1 2K0146919.D 1 06/07/23 MB n/a n/a V2K4128
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2
CAS No.Compound Result RL MDL Units Q
71-43-2 Benzene ND 0.50 0.27 ug/l
100-41-4 Ethylbenzene ND 0.50 0.20 ug/l
95-63-6 1,2,4-Trimethylbenzene ND 0.50 0.15 ug/l
m,p-Xylene ND 1.0 0.34 ug/l
95-47-6 o-Xylene ND 0.50 0.15 ug/l
1330-20-7 Xylene (total)ND 0.50 0.16 ug/l
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 111%70-130%
2037-26-5 Toluene-D8 99%70-130%
460-00-4 4-Bromofluorobenzene 97%70-130%
50 of 64
LA9104655.1.3
Blank Spike/Blank Spike Duplicate Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-BS1 2K0146871.D 1 06/05/23 MB n/a n/a V2K4126
V2K4126-BSD1 2K0146872.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
67-64-1 Acetone 50 55.3 111 53.3 107 4 70-130/30
71-43-2 Benzene 20 20.3 102 19.8 99 2 70-130/30
108-86-1 Bromobenzene 20 20.2 101 20.0 100 1 70-130/30
74-97-5 Bromochloromethane 20 21.1 106 20.6 103 2 70-130/30
75-27-4 Bromodichloromethane 20 22.5 113 21.9 110 3 70-130/30
75-25-2 Bromoform 20 20.7 104 20.9 105 1 70-130/30
104-51-8 n-Butylbenzene 20 22.4 112 22.5 113 0 70-130/30
135-98-8 sec-Butylbenzene 20 22.2 111 21.8 109 2 70-130/30
98-06-6 tert-Butylbenzene 20 22.0 110 21.6 108 2 70-130/30
56-23-5 Carbon Tetrachloride 20 24.0 120 23.5 118 2 70-130/30
108-90-7 Chlorobenzene 20 20.7 104 20.5 103 1 70-130/30
75-00-3 Chloroethane 20 20.5 103 19.5 98 5 60-140/30
67-66-3 Chloroform 20 20.6 103 19.7 99 4 70-130/30
95-49-8 o-Chlorotoluene 20 22.0 110 21.5 108 2 70-130/30
106-43-4 p-Chlorotoluene 20 21.5 108 20.9 105 3 70-130/30
124-48-1 Dibromochloromethane 20 19.9 100 19.9 100 0 70-130/30
96-12-8 1,2-Dibromo-3-chloropropane 20 18.7 94 19.1 96 2 70-130/30
106-93-4 1,2-Dibromoethane 20 21.2 106 21.2 106 0 70-130/30
75-71-8 Dichlorodifluoromethane 20 22.6 113 22.1 111 2 60-140/30
541-73-1 m-Dichlorobenzene 20 21.3 107 21.0 105 1 70-130/30
95-50-1 o-Dichlorobenzene 20 21.1 106 20.8 104 1 70-130/30
106-46-7 p-Dichlorobenzene 20 20.2 101 20.1 101 0 70-130/30
75-34-3 1,1-Dichloroethane 20 21.4 107 20.7 104 3 70-130/30
107-06-2 1,2-Dichloroethane 20 18.9 95 18.7 94 1 70-130/30
75-35-4 1,1-Dichloroethylene 20 22.6 113 21.7 109 4 70-130/30
156-59-2 cis-1,2-Dichloroethylene 20 21.1 106 20.5 103 3 70-130/30
156-60-5 trans-1,2-Dichloroethylene 20 21.7 109 20.8 104 4 70-130/30
78-87-5 1,2-Dichloropropane 20 20.5 103 19.9 100 3 70-130/30
142-28-9 1,3-Dichloropropane 20 20.7 104 20.6 103 0 70-130/30
594-20-7 2,2-Dichloropropane 20 23.9 120 23.2 116 3 70-130/30
563-58-6 1,1-Dichloropropene 20 22.1 111 21.3 107 4 70-130/30
10061-01-5 cis-1,3-Dichloropropene 20 23.2 116 22.6 113 3 70-130/30
10061-02-6 trans-1,3-Dichloropropene 20 19.9 100 19.9 100 0 70-130/30
108-20-3 Di-Isopropyl Ether 20 21.2 106 20.8 104 2 70-130/30
64-17-5 Ethyl Alcohol 400 413 103 418 105 1 70-130/30
100-41-4 Ethylbenzene 20 20.1 101 19.7 99 2 70-130/30
* = Outside of Control Limits.
51 of 64
LA9104655.2.1
Blank Spike/Blank Spike Duplicate Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-BS1 2K0146871.D 1 06/05/23 MB n/a n/a V2K4126
V2K4126-BSD1 2K0146872.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
591-78-6 2-Hexanone 50 46.6 93 49.6 99 6 70-130/30
87-68-3 Hexachlorobutadiene 20 22.5 113 22.4 112 0 70-130/30
98-82-8 Isopropylbenzene 20 21.3 107 21.1 106 1 70-130/30
99-87-6 p-Isopropyltoluene 20 22.2 111 22.0 110 1 70-130/30
74-83-9 Methyl Bromide 20 24.1 121 23.1 116 4 60-140/30
74-87-3 Methyl Chloride 20 20.4 102 19.7 99 3 60-140/30
74-95-3 Methylene Bromide 20 19.5 98 19.5 98 0 70-130/30
75-09-2 Methylene Chloride 20 19.3 97 18.5 93 4 70-130/30
78-93-3 Methyl Ethyl Ketone 50 48.4 97 48.3 97 0 70-130/30
108-10-1 4-Methyl-2-pentanone 50 46.6 93 47.1 94 1 70-130/30
1634-04-4 Methyl Tert Butyl Ether 20 20.4 102 20.5 103 0 70-130/30
91-20-3 Naphthalene 20 18.9 95 19.2 96 2 70-130/30
103-65-1 n-Propylbenzene 20 22.1 111 21.7 109 2 70-130/30
100-42-5 Styrene 20 22.4 112 22.0 110 2 70-130/30
630-20-6 1,1,1,2-Tetrachloroethane 20 22.9 115 22.7 114 1 70-130/30
79-34-5 1,1,2,2-Tetrachloroethane 20 20.6 103 20.9 105 1 70-130/30
127-18-4 Tetrachloroethylene 20 20.7 104 20.8 104 0 70-130/30
108-88-3 Toluene 20 20.7 104 20.4 102 1 70-130/30
87-61-6 1,2,3-Trichlorobenzene 20 22.0 110 22.0 110 0 70-130/30
120-82-1 1,2,4-Trichlorobenzene 20 21.6 108 21.6 108 0 70-130/30
71-55-6 1,1,1-Trichloroethane 20 23.4 117 22.5 113 4 70-130/30
79-00-5 1,1,2-Trichloroethane 20 19.4 97 19.6 98 1 70-130/30
79-01-6 Trichloroethylene 20 19.5 98 18.9 95 3 70-130/30
75-69-4 Trichlorofluoromethane 20 22.3 112 21.5 108 4 60-140/30
96-18-4 1,2,3-Trichloropropane 20 19.1 96 19.6 98 3 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 21.7 109 21.7 109 0 70-130/30
108-67-8 1,3,5-Trimethylbenzene 20 22.5 113 22.0 110 2 70-130/30
108-05-4 Vinyl Acetate 20 23.8 119 23.5 118 1 70-130/30
75-01-4 Vinyl Chloride 20 22.3 112 21.4 107 4 60-140/30
m,p-Xylene 40 40.6 102 39.5 99 3 70-130/30
95-47-6 o-Xylene 20 19.1 96 18.7 94 2 70-130/30
1330-20-7 Xylene (total)60 59.7 100 58.2 97 3 70-130/30
* = Outside of Control Limits.
52 of 64
LA9104655.2.1
Blank Spike/Blank Spike Duplicate Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4126-BS1 2K0146871.D 1 06/05/23 MB n/a n/a V2K4126
V2K4126-BSD1 2K0146872.D 1 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 108%106%70-130%
2037-26-5 Toluene-D8 100%100%70-130%
460-00-4 4-Bromofluorobenzene 97%96%70-130%
* = Outside of Control Limits.
53 of 64
LA9104655.2.1
Blank Spike/Blank Spike Duplicate Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-BS1 2K0146898.D 1 06/06/23 MB n/a n/a V2K4127
V2K4127-BSD1 2K0146899.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
67-64-1 Acetone 50 60.1 120 58.2 116 3 70-130/30
71-43-2 Benzene 20 20.0 100 19.8 99 1 70-130/30
108-86-1 Bromobenzene 20 20.2 101 19.9 100 1 70-130/30
74-97-5 Bromochloromethane 20 20.9 105 20.8 104 0 70-130/30
75-27-4 Bromodichloromethane 20 21.9 110 22.3 112 2 70-130/30
75-25-2 Bromoform 20 21.4 107 21.4 107 0 70-130/30
104-51-8 n-Butylbenzene 20 22.4 112 22.6 113 1 70-130/30
135-98-8 sec-Butylbenzene 20 22.0 110 21.9 110 0 70-130/30
98-06-6 tert-Butylbenzene 20 21.8 109 21.8 109 0 70-130/30
56-23-5 Carbon Tetrachloride 20 23.5 118 23.0 115 2 70-130/30
108-90-7 Chlorobenzene 20 20.4 102 20.3 102 0 70-130/30
75-00-3 Chloroethane 20 19.7 99 19.3 97 2 60-140/30
67-66-3 Chloroform 20 20.1 101 19.8 99 2 70-130/30
95-49-8 o-Chlorotoluene 20 21.8 109 21.9 110 0 70-130/30
106-43-4 p-Chlorotoluene 20 21.1 106 21.3 107 1 70-130/30
124-48-1 Dibromochloromethane 20 20.3 102 20.1 101 1 70-130/30
96-12-8 1,2-Dibromo-3-chloropropane 20 19.8 99 20.3 102 2 70-130/30
106-93-4 1,2-Dibromoethane 20 21.5 108 21.7 109 1 70-130/30
75-71-8 Dichlorodifluoromethane 20 21.8 109 20.8 104 5 60-140/30
541-73-1 m-Dichlorobenzene 20 21.1 106 21.2 106 0 70-130/30
95-50-1 o-Dichlorobenzene 20 21.3 107 21.3 107 0 70-130/30
106-46-7 p-Dichlorobenzene 20 20.1 101 20.3 102 1 70-130/30
75-34-3 1,1-Dichloroethane 20 20.8 104 20.6 103 1 70-130/30
107-06-2 1,2-Dichloroethane 20 19.4 97 19.3 97 1 70-130/30
75-35-4 1,1-Dichloroethylene 20 21.5 108 21.2 106 1 70-130/30
156-59-2 cis-1,2-Dichloroethylene 20 20.7 104 20.1 101 3 70-130/30
156-60-5 trans-1,2-Dichloroethylene 20 20.9 105 20.7 104 1 70-130/30
78-87-5 1,2-Dichloropropane 20 20.2 101 20.2 101 0 70-130/30
142-28-9 1,3-Dichloropropane 20 20.8 104 20.9 105 0 70-130/30
594-20-7 2,2-Dichloropropane 20 22.7 114 22.1 111 3 70-130/30
563-58-6 1,1-Dichloropropene 20 21.4 107 21.1 106 1 70-130/30
10061-01-5 cis-1,3-Dichloropropene 20 22.8 114 22.9 115 0 70-130/30
10061-02-6 trans-1,3-Dichloropropene 20 19.8 99 19.9 100 1 70-130/30
108-20-3 Di-Isopropyl Ether 20 20.9 105 20.8 104 0 70-130/30
64-17-5 Ethyl Alcohol 400 433 108 390 98 10 70-130/30
100-41-4 Ethylbenzene 20 19.9 100 19.7 99 1 70-130/30
* = Outside of Control Limits.
54 of 64
LA9104655.2.2
Blank Spike/Blank Spike Duplicate Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-BS1 2K0146898.D 1 06/06/23 MB n/a n/a V2K4127
V2K4127-BSD1 2K0146899.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
591-78-6 2-Hexanone 50 48.7 97 53.0 106 8 70-130/30
87-68-3 Hexachlorobutadiene 20 22.2 111 22.3 112 0 70-130/30
98-82-8 Isopropylbenzene 20 21.3 107 20.7 104 3 70-130/30
99-87-6 p-Isopropyltoluene 20 22.0 110 22.1 111 0 70-130/30
74-83-9 Methyl Bromide 20 23.9 120 23.7 119 1 60-140/30
74-87-3 Methyl Chloride 20 20.3 102 19.0 95 7 60-140/30
74-95-3 Methylene Bromide 20 20.2 101 20.2 101 0 70-130/30
75-09-2 Methylene Chloride 20 18.9 95 18.8 94 1 70-130/30
78-93-3 Methyl Ethyl Ketone 50 49.7 99 50.0 100 1 70-130/30
108-10-1 4-Methyl-2-pentanone 50 49.2 98 49.7 99 1 70-130/30
1634-04-4 Methyl Tert Butyl Ether 20 20.5 103 20.8 104 1 70-130/30
91-20-3 Naphthalene 20 19.3 97 20.1 101 4 70-130/30
103-65-1 n-Propylbenzene 20 21.6 108 22.0 110 2 70-130/30
100-42-5 Styrene 20 22.3 112 21.9 110 2 70-130/30
630-20-6 1,1,1,2-Tetrachloroethane 20 22.8 114 22.7 114 0 70-130/30
79-34-5 1,1,2,2-Tetrachloroethane 20 21.3 107 22.1 111 4 70-130/30
127-18-4 Tetrachloroethylene 20 20.9 105 21.0 105 0 70-130/30
108-88-3 Toluene 20 22.3 112 22.1 111 1 70-130/30
87-61-6 1,2,3-Trichlorobenzene 20 22.2 111 22.5 113 1 70-130/30
120-82-1 1,2,4-Trichlorobenzene 20 21.3 107 21.9 110 3 70-130/30
71-55-6 1,1,1-Trichloroethane 20 22.5 113 22.4 112 0 70-130/30
79-00-5 1,1,2-Trichloroethane 20 19.8 99 19.8 99 0 70-130/30
79-01-6 Trichloroethylene 20 19.0 95 19.2 96 1 70-130/30
75-69-4 Trichlorofluoromethane 20 21.7 109 21.1 106 3 60-140/30
96-18-4 1,2,3-Trichloropropane 20 20.0 100 20.0 100 0 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 21.8 109 21.8 109 0 70-130/30
108-67-8 1,3,5-Trimethylbenzene 20 22.3 112 22.3 112 0 70-130/30
108-05-4 Vinyl Acetate 20 23.3 117 23.2 116 0 70-130/30
75-01-4 Vinyl Chloride 20 21.9 110 20.5 103 7 60-140/30
m,p-Xylene 40 40.2 101 39.5 99 2 70-130/30
95-47-6 o-Xylene 20 18.9 95 18.6 93 2 70-130/30
1330-20-7 Xylene (total)60 59.2 99 58.2 97 2 70-130/30
* = Outside of Control Limits.
55 of 64
LA9104655.2.2
Blank Spike/Blank Spike Duplicate Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4127-BS1 2K0146898.D 1 06/06/23 MB n/a n/a V2K4127
V2K4127-BSD1 2K0146899.D 1 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 107%109%70-130%
2037-26-5 Toluene-D8 101%102%70-130%
460-00-4 4-Bromofluorobenzene 99%97%70-130%
* = Outside of Control Limits.
56 of 64
LA9104655.2.2
Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K4128-BS1 2K0146916.D 1 06/07/23 MB n/a n/a V2K4128
V2K4128-BSD1 2K0146917.D 1 06/07/23 MB n/a n/a V2K4128
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
71-43-2 Benzene 20 19.6 98 19.6 98 0 70-130/30
100-41-4 Ethylbenzene 20 19.7 99 19.6 98 1 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 21.8 109 21.5 108 1 70-130/30
m,p-Xylene 40 39.7 99 39.2 98 1 70-130/30
95-47-6 o-Xylene 20 18.7 94 18.7 94 0 70-130/30
1330-20-7 Xylene (total)60 58.3 97 57.9 97 1 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 106%107%70-130%
2037-26-5 Toluene-D8 102%100%70-130%
460-00-4 4-Bromofluorobenzene 97%98%70-130%
* = Outside of Control Limits.
57 of 64
LA9104655.2.3
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-5MS 2K0146887.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5MSD 2K0146888.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5 2K0146884.D 5 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
LA91046-5 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 ND 1000 644 64* a 1000 658 66* a 2 70-130/20
71-43-2 Benzene 439 400 862 106 400 847 102 2 70-130/20
108-86-1 Bromobenzene ND 400 412 103 400 414 104 0 70-130/20
74-97-5 Bromochloromethane ND 400 444 111 400 441 110 1 70-130/20
75-27-4 Bromodichloromethane ND 400 451 113 400 455 114 1 70-130/20
75-25-2 Bromoform ND 400 415 104 400 440 110 6 70-130/20
104-51-8 n-Butylbenzene 0.86 J 400 438 109 400 434 108 1 70-130/20
135-98-8 sec-Butylbenzene ND 400 434 109 400 436 109 0 70-130/20
98-06-6 tert-Butylbenzene ND 400 448 112 400 453 113 1 70-130/20
56-23-5 Carbon Tetrachloride ND 400 463 116 400 463 116 0 70-130/20
108-90-7 Chlorobenzene ND 400 416 104 400 422 106 1 70-130/20
75-00-3 Chloroethane ND 400 347 87 400 335 84 4 60-140/20
67-66-3 Chloroform ND 400 414 104 400 408 102 1 70-130/20
95-49-8 o-Chlorotoluene ND 400 450 113 400 451 113 0 70-130/20
106-43-4 p-Chlorotoluene ND 400 441 110 400 443 111 0 70-130/20
124-48-1 Dibromochloromethane ND 400 407 102 400 422 106 4 70-130/20
96-12-8 1,2-Dibromo-3-chloropropane ND 400 391 98 400 412 103 5 70-130/20
106-93-4 1,2-Dibromoethane ND 400 441 110 400 451 113 2 70-130/20
75-71-8 Dichlorodifluoromethane ND 400 220 55* a 400 213 53* a 3 60-140/20
541-73-1 m-Dichlorobenzene ND 400 441 110 400 436 109 1 70-130/20
95-50-1 o-Dichlorobenzene ND 400 440 110 400 443 111 1 70-130/20
106-46-7 p-Dichlorobenzene ND 400 420 105 400 419 105 0 70-130/20
75-34-3 1,1-Dichloroethane ND 400 445 111 400 435 109 2 70-130/20
107-06-2 1,2-Dichloroethane 40.6 400 435 99 400 443 101 2 70-130/20
75-35-4 1,1-Dichloroethylene ND 400 430 108 400 429 107 0 70-130/20
156-59-2 cis-1,2-Dichloroethylene ND 400 435 109 400 432 108 1 70-130/20
156-60-5 trans-1,2-Dichloroethylene ND 400 441 110 400 433 108 2 70-130/20
78-87-5 1,2-Dichloropropane ND 400 417 104 400 418 105 0 70-130/20
142-28-9 1,3-Dichloropropane ND 400 430 108 400 432 108 0 70-130/20
594-20-7 2,2-Dichloropropane ND 400 409 102 400 413 103 1 70-130/20
563-58-6 1,1-Dichloropropene ND 400 436 109 400 428 107 2 70-130/20
10061-01-5 cis-1,3-Dichloropropene ND 400 454 114 400 461 115 2 70-130/20
10061-02-6 trans-1,3-Dichloropropene ND 400 395 99 400 406 102 3 70-130/20
108-20-3 Di-Isopropyl Ether 36.7 400 486 112 400 478 110 2 70-130/20
64-17-5 Ethyl Alcohol ND 8000 9130 114 8000 9570 120 5 70-130/20
100-41-4 Ethylbenzene ND 400 399 100 400 399 100 0 70-130/20
* = Outside of Control Limits.
58 of 64
LA9104655.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-5MS 2K0146887.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5MSD 2K0146888.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5 2K0146884.D 5 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
LA91046-5 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 1000 935 94 1000 916 92 2 70-130/20
87-68-3 Hexachlorobutadiene ND 400 402 101 400 406 102 1 70-130/20
98-82-8 Isopropylbenzene 6.9 400 426 105 400 425 105 0 70-130/20
99-87-6 p-Isopropyltoluene ND 400 439 110 400 440 110 0 70-130/20
74-83-9 Methyl Bromide ND 400 420 105 400 439 110 4 60-140/20
74-87-3 Methyl Chloride ND 400 365 91 400 343 86 6 60-140/20
74-95-3 Methylene Bromide ND 400 406 102 400 412 103 1 70-130/20
75-09-2 Methylene Chloride 0.63 J 400 407 102 400 401 100 1 70-130/20
78-93-3 Methyl Ethyl Ketone ND 1000 906 91 1000 934 93 3 70-130/20
108-10-1 4-Methyl-2-pentanone ND 1000 983 98 1000 1010 101 3 70-130/20
1634-04-4 Methyl Tert Butyl Ether 2.7 400 438 109 400 447 111 2 70-130/20
91-20-3 Naphthalene 35.9 400 437 100 400 450 104 3 70-130/20
103-65-1 n-Propylbenzene ND 400 449 112 400 444 111 1 70-130/20
100-42-5 Styrene ND 400 456 114 400 454 114 0 70-130/20
630-20-6 1,1,1,2-Tetrachloroethane ND 400 462 116 400 471 118 2 70-130/20
79-34-5 1,1,2,2-Tetrachloroethane ND 400 455 114 400 464 116 2 70-130/20
127-18-4 Tetrachloroethylene ND 400 348 87 400 347 87 0 70-130/20
108-88-3 Toluene ND 400 416 104 400 418 105 0 70-130/20
87-61-6 1,2,3-Trichlorobenzene ND 400 437 109 400 451 113 3 70-130/20
120-82-1 1,2,4-Trichlorobenzene ND 400 426 107 400 436 109 2 70-130/20
71-55-6 1,1,1-Trichloroethane ND 400 459 115 400 459 115 0 70-130/20
79-00-5 1,1,2-Trichloroethane ND 400 403 101 400 408 102 1 70-130/20
79-01-6 Trichloroethylene ND 400 385 96 400 378 95 2 70-130/20
75-69-4 Trichlorofluoromethane ND 400 281 70 400 277 69 1 60-140/20
96-18-4 1,2,3-Trichloropropane ND 400 408 102 400 424 106 4 70-130/20
95-63-6 1,2,4-Trimethylbenzene 6.6 400 452 111 400 451 111 0 70-130/20
108-67-8 1,3,5-Trimethylbenzene ND 400 456 114 400 453 113 1 70-130/20
108-05-4 Vinyl Acetate ND 400 512 128 400 529 132* a 3 70-130/20
75-01-4 Vinyl Chloride ND 400 320 80 400 316 79 1 60-140/20
m,p-Xylene 2.3 J 800 808 101 800 808 101 0 70-130/20
95-47-6 o-Xylene 5.1 400 388 96 400 387 95 0 70-130/20
1330-20-7 Xylene (total)7.4 1200 1200 99 1200 1190 99 1 70-130/20
* = Outside of Control Limits.
59 of 64
LA9104655.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-5MS 2K0146887.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5MSD 2K0146888.D 20 06/05/23 MB n/a n/a V2K4126
LA91046-5 2K0146884.D 5 06/05/23 MB n/a n/a V2K4126
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2, LA91046-3, LA91046-4, LA91046-5, LA91046-6, LA91046-7, LA91046-8, LA91046-9
CAS No.Surrogate Recoveries MS MSD LA91046-5 Limits
17060-07-0 1,2-Dichloroethane-D4 113%112%111%70-130%
2037-26-5 Toluene-D8 102%101%100%70-130%
460-00-4 4-Bromofluorobenzene 97%98%98%70-130%
(a) Outside control limits due to matrix interference. Blank Spike meets acceptance criteria.
* = Outside of Control Limits.
60 of 64
LA9104655.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-2MS 2K0146906.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2MSD 2K0146907.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2 a 2K0146905.D 5 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
LA91046-2 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 ND 10000 6530 65* b 10000 5920 59* b 10 70-130/20
71-43-2 Benzene 548 E 4000 6740 155* b 4000 6920 159* b 3 70-130/20
108-86-1 Bromobenzene ND 4000 4130 103 4000 4090 102 1 70-130/20
74-97-5 Bromochloromethane ND 4000 4170 104 4000 4230 106 1 70-130/20
75-27-4 Bromodichloromethane ND 4000 4440 111 4000 4590 115 3 70-130/20
75-25-2 Bromoform ND 4000 4150 104 4000 4210 105 1 70-130/20
104-51-8 n-Butylbenzene ND 4000 4720 118 4000 4770 119 1 70-130/20
135-98-8 sec-Butylbenzene ND 4000 4470 112 4000 4540 114 2 70-130/20
98-06-6 tert-Butylbenzene ND 4000 4540 114 4000 4630 116 2 70-130/20
56-23-5 Carbon Tetrachloride ND 4000 4540 114 4000 4690 117 3 70-130/20
108-90-7 Chlorobenzene ND 4000 4140 104 4000 4170 104 1 70-130/20
75-00-3 Chloroethane ND 4000 3950 99 4000 4180 105 6 60-140/20
67-66-3 Chloroform ND 4000 3950 99 4000 3970 99 1 70-130/20
95-49-8 o-Chlorotoluene ND 4000 4430 111 4000 4570 114 3 70-130/20
106-43-4 p-Chlorotoluene ND 4000 4250 106 4000 4390 110 3 70-130/20
124-48-1 Dibromochloromethane ND 4000 4040 101 4000 4120 103 2 70-130/20
96-12-8 1,2-Dibromo-3-chloropropane ND 4000 3970 99 4000 4050 101 2 70-130/20
106-93-4 1,2-Dibromoethane ND 4000 4440 111 4000 4430 111 0 70-130/20
75-71-8 Dichlorodifluoromethane ND 4000 4310 108 4000 4380 110 2 60-140/20
541-73-1 m-Dichlorobenzene ND 4000 4320 108 4000 4390 110 2 70-130/20
95-50-1 o-Dichlorobenzene ND 4000 4380 110 4000 4390 110 0 70-130/20
106-46-7 p-Dichlorobenzene ND 4000 4130 103 4000 4180 105 1 70-130/20
75-34-3 1,1-Dichloroethane ND 4000 4150 104 4000 4210 105 1 70-130/20
107-06-2 1,2-Dichloroethane 7.1 4000 4010 100 4000 4030 101 0 70-130/20
75-35-4 1,1-Dichloroethylene ND 4000 4260 107 4000 4380 110 3 70-130/20
156-59-2 cis-1,2-Dichloroethylene ND 4000 4030 101 4000 4160 104 3 70-130/20
156-60-5 trans-1,2-Dichloroethylene ND 4000 4190 105 4000 4290 107 2 70-130/20
78-87-5 1,2-Dichloropropane ND 4000 4120 103 4000 4200 105 2 70-130/20
142-28-9 1,3-Dichloropropane ND 4000 4290 107 4000 4300 108 0 70-130/20
594-20-7 2,2-Dichloropropane ND 4000 4370 109 4000 4560 114 4 70-130/20
563-58-6 1,1-Dichloropropene ND 4000 4250 106 4000 4350 109 2 70-130/20
10061-01-5 cis-1,3-Dichloropropene ND 4000 4570 114 4000 4660 117 2 70-130/20
10061-02-6 trans-1,3-Dichloropropene ND 4000 4010 100 4000 4070 102 1 70-130/20
108-20-3 Di-Isopropyl Ether 12.1 4000 4270 106 4000 4290 107 0 70-130/20
64-17-5 Ethyl Alcohol ND 80000 78700 98 80000 70800 89 11 70-130/20
100-41-4 Ethylbenzene 126 4000 4690 114 4000 4660 113 1 70-130/20
* = Outside of Control Limits.
61 of 64
LA9104655.3.2
Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-2MS 2K0146906.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2MSD 2K0146907.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2 a 2K0146905.D 5 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
LA91046-2 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 10000 9020 90 10000 9210 92 2 70-130/20
87-68-3 Hexachlorobutadiene ND 4000 4460 112 4000 4540 114 2 70-130/20
98-82-8 Isopropylbenzene 7.4 4000 4330 108 4000 4280 107 1 70-130/20
99-87-6 p-Isopropyltoluene ND 4000 4530 113 4000 4590 115 1 70-130/20
74-83-9 Methyl Bromide ND 4000 4420 111 4000 4990 125 12 60-140/20
74-87-3 Methyl Chloride ND 4000 4030 101 4000 4040 101 0 60-140/20
74-95-3 Methylene Bromide ND 4000 4060 102 4000 4120 103 1 70-130/20
75-09-2 Methylene Chloride ND 4000 3810 95 4000 3850 96 1 70-130/20
78-93-3 Methyl Ethyl Ketone ND 10000 8710 87 10000 8650 87 1 70-130/20
108-10-1 4-Methyl-2-pentanone ND 10000 9950 100 10000 9790 98 2 70-130/20
1634-04-4 Methyl Tert Butyl Ether ND 4000 4130 103 4000 4170 104 1 70-130/20
91-20-3 Naphthalene 44.1 4000 4320 107 4000 4330 107 0 70-130/20
103-65-1 n-Propylbenzene 20.0 4000 4540 113 4000 4630 115 2 70-130/20
100-42-5 Styrene ND 4000 4520 113 4000 4520 113 0 70-130/20
630-20-6 1,1,1,2-Tetrachloroethane ND 4000 4670 117 4000 4630 116 1 70-130/20
79-34-5 1,1,2,2-Tetrachloroethane ND 4000 4470 112 4000 4520 113 1 70-130/20
127-18-4 Tetrachloroethylene ND 4000 3660 92 4000 3700 93 1 70-130/20
108-88-3 Toluene 109 4000 5000 122 4000 5060 124 1 70-130/20
87-61-6 1,2,3-Trichlorobenzene ND 4000 4540 114 4000 4650 116 2 70-130/20
120-82-1 1,2,4-Trichlorobenzene ND 4000 4400 110 4000 4490 112 2 70-130/20
71-55-6 1,1,1-Trichloroethane ND 4000 4480 112 4000 4630 116 3 70-130/20
79-00-5 1,1,2-Trichloroethane ND 4000 4100 103 4000 4050 101 1 70-130/20
79-01-6 Trichloroethylene ND 4000 3810 95 4000 3890 97 2 70-130/20
75-69-4 Trichlorofluoromethane ND 4000 4320 108 4000 4480 112 4 60-140/20
96-18-4 1,2,3-Trichloropropane 2.0 J 4000 4200 105 4000 4080 102 3 70-130/20
95-63-6 1,2,4-Trimethylbenzene 113 4000 4960 121 4000 5070 124 2 70-130/20
108-67-8 1,3,5-Trimethylbenzene 34.3 4000 4720 117 4000 4790 119 1 70-130/20
108-05-4 Vinyl Acetate ND 4000 4830 121 4000 4910 123 2 70-130/20
75-01-4 Vinyl Chloride ND 4000 4200 105 4000 4350 109 4 60-140/20
m,p-Xylene 346 8000 9870 119 8000 9830 119 0 70-130/20
95-47-6 o-Xylene 179 4000 4730 114 4000 4730 114 0 70-130/20
1330-20-7 Xylene (total)525 12000 14600 117 12000 14600 117 0 70-130/20
* = Outside of Control Limits.
62 of 64
LA9104655.3.2
Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-2MS 2K0146906.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2MSD 2K0146907.D 200 06/06/23 MB n/a n/a V2K4127
LA91046-2 a 2K0146905.D 5 06/06/23 MB n/a n/a V2K4127
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-1, LA91046-10
CAS No.Surrogate Recoveries MS MSD LA91046-2 Limits
17060-07-0 1,2-Dichloroethane-D4 105%106%108%70-130%
2037-26-5 Toluene-D8 102%101%100%70-130%
460-00-4 4-Bromofluorobenzene 97%96%96%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.
63 of 64
LA9104655.3.2
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 1
Job Number:LA91046
Account:ATCNCR Atlas
Project:Barbara Spencer 1540 Gentry Ridge Rd, Roxboro, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA91046-2MS 2K0146923.D 20 06/07/23 MB n/a n/a V2K4128
LA91046-2MSD 2K0146924.D 20 06/07/23 MB n/a n/a V2K4128
LA91046-2 2K0146920.D 10 06/07/23 MB n/a n/a V2K4128
The QC reported here applies to the following samples:Method: SM 6200B
LA91046-2
LA91046-2 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
71-43-2 Benzene 552 400 986 109 400 974 106 1 70-130/20
100-41-4 Ethylbenzene 124 400 538 104 400 525 100 2 70-130/20
95-63-6 1,2,4-Trimethylbenzene 108 400 573 116 400 560 113 2 70-130/20
m,p-Xylene 341 800 1170 104 800 1160 102 1 70-130/20
95-47-6 o-Xylene 178 400 571 98 400 566 97 1 70-130/20
1330-20-7 Xylene (total)519 1200 1740 102 1200 1720 100 1 70-130/20
CAS No.Surrogate Recoveries MS MSD LA91046-2 Limits
17060-07-0 1,2-Dichloroethane-D4 109%109%110%70-130%
2037-26-5 Toluene-D8 100%101%99%70-130%
460-00-4 4-Bromofluorobenzene 96%96%97%70-130%
* = Outside of Control Limits.
64 of 64
LA9104655.3.3