RA-613_3831_CA_LAB_20220818

TABLE 6
WATER SUPPLY WELL ANALYTICAL RESULTS
MT HARMONY GROCERY
1818 MT. HARMONY CHURCH ROAD
ROUGEMONT, PERSON COUNTY, NORTH CAROLINA
NCDEQ INCIDENT #3831
SM2510 SM4500H+
WELL ID Date
Collected BenzeneTolueneEthylbenzeneTotal XylenesAcetoneChloroformChloromethane1,2-DichloroethaneDiisopropyl Ether (DIPE)Methyl tert-Butyl Ether (MTBE)Methyl BromideMethylene ChlorideHydrogen SulfideSulfideSpecific ConductivitypHμmhos/cm su
1 600 600 500 6,000 70 3 0.4 70 20 10 400 NE NE N/A N/A
5,000 260,000 80,000 50,000 6,000,000 70,000 3,000 400 70,000 20,000 10,000 400,000 NE NE N/A N/A
PW-1 3/9/1990
3/9/1990 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
8/11/2017
PW-3 3/9/1990 BRL BRL BRL 2.7 BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
1/8/2018 BRL BRL BRL BRL BRL BRL BRL 1.2 10 440 BRL BRL NA NA NA NA
9/18/2018 BRL BRL BRL BRL BRL BRL 5.4 BRL BRL BRL BRL BRL NA NA NA NA
4/18/2019 BRL BRL BRL BRL BRL BRL BRL BRL 23 930 BRL BRL NA NA NA NA
1/16/2020 BRL BRL BRL BRL BRL BRL BRL BRL 8.0 320 BRL BRL NA NA NA NA
8/6/2020 BRL BRL BRL BRL BRL BRL BRL BRL 20 1,000 BRL BRL NA NA NA NA
2/5/2021 14.6 <200 <10 14.8 <200 <10 <10 <4.0 37.2 1,980 BRL BRL NA NA NA NA
8/23/2021 <0.50 0.31 J <0.50 <0.50 <10 BRL <0.50 3.2 56.9 <0.50 BRL BRL <2,000 <2,000 742 6.58a
6/20/2022 <0.50 <0.50 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 NA NA NA NA
7/28/2022 <2.5 <2.5 <2.5 <2.5 <50 0.88 J <2.5 <1.0 12.4 609 <2.5 <2.5 NA NA NA NA
8/23/2021 <0.50 <0.50 <0.50 <0.50 <10 BRL <0.50 <0.20 <0.50 <0.50 BRL BRL <2,000 <2,000 662 7.07a
7/28/2022 <0.50 1.2 b <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 NA NA NA NA
3/9/1990 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
8/10/2017 BRL BRL BRL BRL BRL BRL BRL 18.4 38.2 2,030 BRL BRL NA NA NA NA
9/18/2018 BRL BRL BRL BRL BRL BRL BRL 5.2 15 690 BRL BRL NA NA NA NA
4/18/2019 BRL BRL BRL BRL BRL BRL BRL 1.6 4.8 110 BRL BRL NA NA NA NA
1/16/2020 0.18 J BRL BRL BRL BRL BRL BRL BRL 20 740 BRL BRL NA NA NA NA
8/6/2020 BRL BRL BRL BRL BRL BRL BRL 15 31 1,500 BRL BRL NA NA NA NA
2/5/2021 <10 <200 <10 <10 <200 <10 <10 13.5 29.4 1,600 BRL BRL NA NA NA NA
6/20/2022 <10 <10 <10 <10 <200 <10 <10 7.3 22.8 1,460 <10 3.9 J NA NA NA NA
8/11/2017 BRL BRL BRL BRL BRL BRL BRL 18.3 BRL 2,020 BRL BRL NA NA NA NA
8/24/2017 BRL BRL BRL BRL BRL BRL BRL 7.9 BRL 674 BRL BRL NA NA NA NA
4/18/2019 NA NA NA NA
2/5/2021 <0.50 <10 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 1.6 BRL BRL NA NA NA NA
6/20/2022 <0.50 <0.50 <0.50 <0.50 <10 <0.50 <0.50 0.15 J <0.50 2.1 0.25 J <0.50 NA NA NA NA
11/21/2017 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
9/18/2018 BRL BRL BRL BRL BRL BRL 4.9 J BRL BRL BRL BRL BRL NA NA NA NA
4/18/2019 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
1/16/2020 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
8/6/2020 BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL BRL NA NA NA NA
2/5/2021 <0.50 <10 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 BRL BRL NA NA NA NA
8/10/2017 BRL BRL BRL BRL BRL BRL BRL BRL BRL 9.6 BRL BRL NA NA NA NA
9/18/2018 BRL BRL BRL BRL BRL BRL BRL BRL BRL 9 BRL BRL NA NA NA NA
4/18/2019 BRL BRL BRL BRL BRL BRL BRL BRL 0.17 J 9.5 BRL BRL NA NA NA NA
1/16/2020 BRL BRL BRL BRL BRL BRL BRL BRL BRL 6.3 BRL BRL NA NA NA NA
8/6/2020 BRL BRL BRL BRL BRL BRL BRL BRL 0.35 J 25 BRL BRL NA NA NA NA
9/8/2020 BRL BRL BRL BRL 4.6 J BRL BRL BRL 0.28 J 21 BRL BRL NA NA NA NA
6/20/2022 <0.50 0.32 b J <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 0.095 J 0.27 J <0.50 NA NA NA NA
7/28/2022 <0.50 0.97 b <0.50 <0.50 <10 <0.50 <0.50 <0.20 0.48 J 35.9 <0.50 <0.50 NA NA NA NA
02/05/21 <0.50 <10 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 BRL BRL NA NA NA NA
07/28/22 <0.50 1.3 b <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 <0.50 <0.50 NA NA NA NA
WSW-5 2/5/2021 <0.50 <10 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 0.93 BRL BRL NA NA NA NA
WSW-6 2/5/2021 <0.50 <10 <0.50 <0.50 <10 <0.50 <0.50 <0.20 <0.50 <0.50 BRL BRL NA NA NA NA
Notes:
1. "<" or BRL = Not detected at or above the laboratory reporting limit or method detection limit.
2. μg/L = parts per billion (ppb).
3. Concentrations in BOLD equal or exceed the corresponding NCDEQ Groundwater Quality 2L Standard (2L Standard).
4. GCL = Gross Contamination Level.
5. Concentrations in ITALICS equal or exceed the corresponding GCL.
6. NE = Not established.
7. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit.
8. NA = Not Analyzed or original lab report not provided.
9. N/A = Not Applicable.
10. U = Indicates a result < Method Detection Limit.
11. a = Sample received out of holding time for pH analysis.
12. μmhos/cm = micromho per centimeter.
13. su = standard unit.
14. b = Constituent also detected in associated Field Blank and Trip Blank samples.
PW-3R Effluent
PW-3R (Post)
WSW-3 (Post)
WSW-3
WSW-3 (Pre)
WSW-2
PW-2
Volitile Organic Compounds by EPA Method 6200B
Inactive
ANALYTICAL METHOD
2L Standard
Unit
PW-4A
(WSW-4)
PW-3R Influent
PW-3R (Pre)
WSW-1
PW-4B
(PW-4)
SM4500S2
μg/L μg/L
Inactive
Inactive
GCL
Page 1 of 1
TABLE 1
WATER SUPPLY WELL INFORMATION
MT HARMONY GROCERY
1818 MT. HARMONY CHURCH ROAD
ROUGEMONT, PERSON COUNTY, NORTH CAROLINA
NCDEQ INCIDENT #3831
Well ID Property Owner Well Address Property Owner's
Address Well Use Well Depth Well Screen
Interval
Distance from
Source Area Comments
PW-1 Billy Barber
(336-592-0155)1818 Mt Harmony Church Road 90 Fletcher Ridge Road
Timberlake, NC 27583 Inactive Unknown Unknown 165 feet north Resident as of 8/18/21:
Lori Sheppard (336-504-3113)
PW-2*Kristi Williams 1850 Mt. Harmony Church Road 1850 Mt. Harmony Church Road
Rougemont, NC 27572 Inactive Unknown Unknown 165 feet south Receives water from WSW-3, POE installed.
PW-3R Billy Barber 1818 Mt Harmony Church Road 90 Fletcher Ridge Road
Timberlake, NC 27583 Potable Unknown Unknown 265 feet northwest Supplies water to onsite residence and former store
building.
County of Person
Ray Foushee (County Official)
336-330-2216)
Unknown
Bruce Lynch (Fire Chief)
(336-364-8332)Unknown
WSW-1
Mt. Harmony Baptist Church
Pete Thomas
(336-504-4228)
[e-mail]
1655 Mt. Harmony Church Road 8109 Oxford Rd
Timberlake, NC 27583 Potable Unknown Unknown 745 feet north-
northeast
WSW-2
Clifton Bradsher III
(336-504-6589)
[e-mail]
50 Glen Fogleman Road 50 Glen Fogleman Road
Rougemont, NC 27572 Potable 50 feet Unknown 620 feet northeast
WSW-3*Elger and Bobbie Latta Mt. Harmony Church Road 131 Peed Road
Rougemont, NC 27572 Potable 180 feet 48-180 feet 300 feet south
PW-4A
(WSW-4)County of Person NA
(Ball Park)
304 South Morgan Street
Roxboro, NC 27575 Inactive Unknown Unknown 290 feet east Water from well used at 1850 Mt. Harmony Church
Road - Kristi Williams
WSW-5
Crystal Scott
(919-452-0260)
[e-mail]
1915 Mt. Harmony Church Road 1915 Mt. Harmony Church Road
Rougemont, NC 27572 Potable Unknown Unknown 530 feet south-
southeast
WSW-6
David Martin
(336-364-0178)
[e-mail]
1941 Mt. Harmony Church Road 1941 Mt. Harmony Church Road
Rougemont, NC 27572 Potable Unknown Unknown 640 feet south-
southeast
WSW-7 Ronald Mooney 1988 Mt. Harmony Church Road 1988 Mt. Harmony Church Road
Rougemont, NC 27572 Potable Unknown Unknown 860 feet south
WSW-8 Ryan Mooney 2028 Mt. Harmony Church Road 2028 Mt. Harmony Church Road
Rougemont, NC 27572 Potable Unknown Unknown 950 south
Notes:
1. * Water Supply Well PW-2 is inactive but WSW-3 dispenses at the pump house associated with PW-2.
2. (WSW-4) = Previous Well ID.
Water used for hand washing and toilets only. Contact
Fire Chief for access. External spigot locked. PW-4B 1795 Mt. Harmony Church Road
(Fire Department)
304 South Morgan Street
Roxboro, NC 27575
Potable
(restrooms & sink)Unknown 430 feet southeast
Page 1 of 1
1,000' RADIUS500' RADIUSSITEWSW-2WSW-1PW-1PW-3RPW-2PW-4BWSW-3WSW-5WSW-6WSW-7WSW-8PW-4A

Mt. Harmony Grocery PW-3 well head.

Mt. Harmony Grocery PW-3 POE system diagram.

Mt Harmony Grocery, PW-3 POE system shed. During purging of effluent spigot.
Influent Sample Spigot
Effluent Sample Spigot

Mt Harmony Grocery, PW-3, effluent spigot (D3). During purging of effluent spigot.
Effluent Sample Spigot

Mt Harmony Grocery, PW-3, Influent spigot (D1).
Influent Sample Spigot

Mt. Harmony Grocery WSW-3 POE system diagram.

Mt. Harmony Grocery WSW-3, POE system shed
Influent Sample Spigot
Effluent Sample Spigot

Mt. Harmony Grocery WSW-3, influent and effluent spigots. During purging effluent spigot.
Effluent Sample Spigot
Influent Sample Spigot
08/17/22
Technical Report for
Atlas
Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
SLC0383104
SGS Job Number: LA81612
Sampling Date: 07/28/22
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: Ron Benjamin 337-237-4775
Ron Benjamin
Lab Director
Scott, LA 08/17/22
Reissue #1
e-Hardcopy 2.0
Automated Report
40
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 40
LA81612

August 17, 2022

Atlas
2725 East Millbrook Road Suite 121
Raleigh, NC 27607

The final report for SGS Job LA81612 has been amended from the original. This report replaces in its entirety any
previously submitted copy. The client Id for LA81612-1 was corrected to PW-3R (Pre) and client Id for LA81612-
2 has been corrected to PW-3R (Post) as per chain of custody. The attached report incorporates these revisions.

Please contact me at 337-237-4775 if I may be of further assistance in this matter, or if you have any further
questions regarding this data report

Sincerely,

Rebecca Hebert

SGS North America Inc.-Scott

2 of 40
LA81612
Table of Contents
-1-
Sections:
Section 1: Sample Summary ...................................................................................................4
Section 2: Summary of Hits ....................................................................................................5
Section 3: Sample Results ........................................................................................................6
3.1: LA81612-1: PW-3R (PRE) ...........................................................................................7
3.2: LA81612-2: PW-3R (POST) ........................................................................................10
3.3: LA81612-3: WSW-3 (PRE) ..........................................................................................13
3.4: LA81612-4: WSW-3 (POST) .......................................................................................16
3.5: LA81612-5: FIELD BLANK ........................................................................................19
3.6: LA81612-6: TRIP BLANK ..........................................................................................22
Section 4: Misc. Forms ............................................................................................................25
4.1: Chain of Custody ...........................................................................................................26
Section 5: MS Volatiles - QC Data Summaries .....................................................................28
5.1: Method Blank Summary ................................................................................................29
5.2: Blank Spike/Blank Spike Duplicate Summary ..............................................................33
5.3: Matrix Spike/Matrix Spike Duplicate Summary ...........................................................37 123453 of 40
LA81612
SGS North America Inc.
Sample Summary
Atlas
Job No:LA81612
Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Project No: SLC0383104
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
LA81612-1 07/28/22 10:15 CH 08/02/22 AQ Ground Water PW-3R (PRE)
LA81612-2 07/28/22 10:45 CH 08/02/22 AQ Ground Water PW-3R (POST)
LA81612-3 07/28/22 11:10 CH 08/02/22 AQ Ground Water WSW-3 (PRE)
LA81612-4 07/28/22 10:35 CH 08/02/22 AQ Ground Water WSW-3 (POST)
LA81612-5 07/28/22 10:40 CH 08/02/22 AQ Field Blank Water FIELD BLANK
LA81612-6 07/28/22 00:00 CH 08/02/22 AQ Trip Blank Water TRIP BLANK
4 of 40
LA816121
Summary of Hits Page 1 of 1
Job Number:LA81612
Account:Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Collected:07/28/22
Lab Sample ID Client Sample ID Result/
Analyte Qual RL MDL Units Method
LA81612-1 PW-3R (PRE)
Chloroform 0.88 J 2.5 0.47 ug/l SM 6200B
Di-Isopropyl Ether 12.4 2.5 0.37 ug/l SM 6200B
Methyl Tert Butyl Ether 609 10 1.4 ug/l SM 6200B
LA81612-2 PW-3R (POST)
Toluene 1.2 0.50 0.29 ug/l SM 6200B
LA81612-3 WSW-3 (PRE)
Di-Isopropyl Ether 0.48 J 0.50 0.073 ug/l SM 6200B
Methyl Tert Butyl Ether 35.9 0.50 0.068 ug/l SM 6200B
Toluene 0.97 0.50 0.29 ug/l SM 6200B
LA81612-4 WSW-3 (POST)
Toluene 1.3 0.50 0.29 ug/l SM 6200B
LA81612-5 FIELD BLANK
Toluene 1.6 0.50 0.29 ug/l SM 6200B
LA81612-6 TRIP BLANK
Methylene Chloride 0.53 0.50 0.080 ug/l SM 6200B
Toluene 4.3 0.50 0.29 ug/l SM 6200B
5 of 40
LA816122
SGS North America Inc.
Sample Results
Report of Analysis
Scott, LA
Section 3
6 of 40
LA816123
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:PW-3R (PRE)
Lab Sample ID:LA81612-1 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143352.D 5 08/05/22 16:07 MB n/a n/a V2K3165
Run #2 2K0143389.D 20 08/10/22 02:14 MB n/a n/a V2K3167
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 50 6.2 ug/l
71-43-2 Benzene ND 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 ND 2.5 0.46 ug/l
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 0.88 2.5 0.47 ug/l J
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-chloropropane 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 ND 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
7 of 40
LA8161233.1
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:PW-3R (PRE)
Lab Sample ID:LA81612-1 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 12.4 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 ND 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 ND 2.5 0.40 ug/l
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 609 a 10 1.4 ug/l
91-20-3 Naphthalene ND 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 ND 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 ND 5.0 1.7 ug/l
95-47-6 o-Xylene ND 2.5 0.74 ug/l
1330-20-7 Xylene (total)ND 2.5 0.81 ug/l
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
17060-07-0 1,2-Dichloroethane-D4 106%101%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
8 of 40
LA8161233.1
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:PW-3R (PRE)
Lab Sample ID:LA81612-1 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 100%101%70-130%
460-00-4 4-Bromofluorobenzene 95%101%70-130%
(a) Result is from Run# 2
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 40
LA8161233.1
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:PW-3R (POST)
Lab Sample ID:LA81612-2 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143353.D 1 08/05/22 16:37 MB n/a n/a V2K3165
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-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
10 of 40
LA8161233.2
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:PW-3R (POST)
Lab Sample ID:LA81612-2 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 1.2 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
11 of 40
LA8161233.2
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:PW-3R (POST)
Lab Sample ID:LA81612-2 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 98%70-130%
460-00-4 4-Bromofluorobenzene 92%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
12 of 40
LA8161233.2
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-3 (PRE)
Lab Sample ID:LA81612-3 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143354.D 1 08/05/22 17:07 MB n/a n/a V2K3165
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-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
13 of 40
LA8161233.3
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-3 (PRE)
Lab Sample ID:LA81612-3 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 0.48 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 35.9 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 0.97 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%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
14 of 40
LA8161233.3
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-3 (PRE)
Lab Sample ID:LA81612-3 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 102%70-130%
460-00-4 4-Bromofluorobenzene 93%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 40
LA8161233.3
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:WSW-3 (POST)
Lab Sample ID:LA81612-4 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143355.D 1 08/05/22 17:36 MB n/a n/a V2K3165
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-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
16 of 40
LA8161233.4
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:WSW-3 (POST)
Lab Sample ID:LA81612-4 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 1.3 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 101%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
17 of 40
LA8161233.4
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:WSW-3 (POST)
Lab Sample ID:LA81612-4 Date Sampled:07/28/22
Matrix:AQ - Ground Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 101%70-130%
460-00-4 4-Bromofluorobenzene 95%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 40
LA8161233.4
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA81612-5 Date Sampled:07/28/22
Matrix:AQ - Field Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143350.D 1 08/05/22 15:07 MB n/a n/a V2K3165
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-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
19 of 40
LA8161233.5
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA81612-5 Date Sampled:07/28/22
Matrix:AQ - Field Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 1.6 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 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
20 of 40
LA8161233.5
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:FIELD BLANK
Lab Sample ID:LA81612-5 Date Sampled:07/28/22
Matrix:AQ - Field Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 102%70-130%
460-00-4 4-Bromofluorobenzene 92%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 40
LA8161233.5
SGS North America Inc.
Report of Analysis Page 1 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA81612-6 Date Sampled:07/28/22
Matrix:AQ - Trip Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
Run #1 2K0143348.D 1 08/05/22 14:07 MB n/a n/a V2K3165
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-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
22 of 40
LA8161233.6
SGS North America Inc.
Report of Analysis Page 2 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA81612-6 Date Sampled:07/28/22
Matrix:AQ - Trip Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, 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 0.53 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 4.3 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 107%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
23 of 40
LA8161233.6
SGS North America Inc.
Report of Analysis Page 3 of 3
Client Sample ID:TRIP BLANK
Lab Sample ID:LA81612-6 Date Sampled:07/28/22
Matrix:AQ - Trip Blank Water Date Received:08/02/22
Method:SM 6200B Percent Solids:n/a
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
VOA Special List
CAS No.Surrogate Recoveries Run# 1 Run# 2 Limits
2037-26-5 Toluene-D8 102%70-130%
460-00-4 4-Bromofluorobenzene 93%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 40
LA8161233.6
SGS North America Inc.
Misc. Forms
Custody Documents and Other Forms
Includes the following where applicable:
• Chain of Custody
Scott, LA
Section 4
25 of 40
LA816124
LA81612: Chain of Custody
Page 1 of 2
26 of 40
LA8161244.1
LA81612: Chain of Custody
Page 2 of 2
27 of 40
LA8161244.1
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
28 of 40
LA816125
Method Blank Summary Page 1 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-MB1 2K0143347.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
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
29 of 40
LA8161255.1.1
Method Blank Summary Page 2 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-MB1 2K0143347.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
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
30 of 40
LA8161255.1.1
Method Blank Summary Page 3 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-MB1 2K0143347.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 111%70-130%
2037-26-5 Toluene-D8 101%70-130%
460-00-4 4-Bromofluorobenzene 97%70-130%
31 of 40
LA8161255.1.1
Method Blank Summary Page 1 of 1
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3167-MB1 2K0143388.D 1 08/10/22 MB n/a n/a V2K3167
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1
CAS No.Compound Result RL MDL Units Q
1634-04-4 Methyl Tert Butyl Ether ND 0.50 0.068 ug/l
CAS No.Surrogate Recoveries Limits
17060-07-0 1,2-Dichloroethane-D4 91%70-130%
2037-26-5 Toluene-D8 102%70-130%
460-00-4 4-Bromofluorobenzene 105%70-130%
32 of 40
LA8161255.1.2
Blank Spike/Blank Spike Duplicate Summary Page 1 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-BS1 2K0143344.D 1 08/05/22 MB n/a n/a V2K3165
V2K3165-BSD1 2K0143345.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
67-64-1 Acetone 50 44.6 89 46.3 93 4 70-130/30
71-43-2 Benzene 20 16.8 84 17.0 85 1 70-130/30
108-86-1 Bromobenzene 20 21.5 108 21.2 106 1 70-130/30
74-97-5 Bromochloromethane 20 19.4 97 20.5 103 6 70-130/30
75-27-4 Bromodichloromethane 20 18.1 91 18.5 93 2 70-130/30
75-25-2 Bromoform 20 20.8 104 21.4 107 3 70-130/30
104-51-8 n-Butylbenzene 20 21.3 107 21.4 107 0 70-130/30
135-98-8 sec-Butylbenzene 20 21.5 108 21.8 109 1 70-130/30
98-06-6 tert-Butylbenzene 20 21.0 105 21.0 105 0 70-130/30
56-23-5 Carbon Tetrachloride 20 18.8 94 19.4 97 3 70-130/30
108-90-7 Chlorobenzene 20 20.2 101 19.9 100 1 70-130/30
75-00-3 Chloroethane 20 17.5 88 17.9 90 2 60-140/30
67-66-3 Chloroform 20 19.3 97 18.9 95 2 70-130/30
95-49-8 o-Chlorotoluene 20 20.7 104 21.0 105 1 70-130/30
106-43-4 p-Chlorotoluene 20 21.8 109 21.7 109 0 70-130/30
124-48-1 Dibromochloromethane 20 21.2 106 21.0 105 1 70-130/30
96-12-8 1,2-Dibromo-3-chloropropane 20 20.3 102 19.9 100 2 70-130/30
106-93-4 1,2-Dibromoethane 20 22.0 110 22.4 112 2 70-130/30
75-71-8 Dichlorodifluoromethane 20 20.6 103 21.3 107 3 60-140/30
541-73-1 m-Dichlorobenzene 20 21.4 107 21.5 108 0 70-130/30
95-50-1 o-Dichlorobenzene 20 20.7 104 21.3 107 3 70-130/30
106-46-7 p-Dichlorobenzene 20 20.5 103 20.8 104 1 70-130/30
75-34-3 1,1-Dichloroethane 20 19.6 98 20.4 102 4 70-130/30
107-06-2 1,2-Dichloroethane 20 17.2 86 18.7 94 8 70-130/30
75-35-4 1,1-Dichloroethylene 20 19.9 100 20.1 101 1 70-130/30
156-59-2 cis-1,2-Dichloroethylene 20 18.9 95 20.2 101 7 70-130/30
156-60-5 trans-1,2-Dichloroethylene 20 18.6 93 19.8 99 6 70-130/30
78-87-5 1,2-Dichloropropane 20 19.1 96 19.1 96 0 70-130/30
142-28-9 1,3-Dichloropropane 20 21.2 106 22.1 111 4 70-130/30
594-20-7 2,2-Dichloropropane 20 21.8 109 21.9 110 0 70-130/30
563-58-6 1,1-Dichloropropene 20 18.7 94 19.7 99 5 70-130/30
10061-01-5 cis-1,3-Dichloropropene 20 18.7 94 19.9 100 6 70-130/30
10061-02-6 trans-1,3-Dichloropropene 20 21.0 105 21.1 106 0 70-130/30
108-20-3 Di-Isopropyl Ether 20 20.6 103 21.2 106 3 70-130/30
64-17-5 Ethyl Alcohol 400 358 90 356 89 1 70-130/30
100-41-4 Ethylbenzene 20 21.6 108 20.7 104 4 70-130/30
* = Outside of Control Limits.
33 of 40
LA8161255.2.1
Blank Spike/Blank Spike Duplicate Summary Page 2 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-BS1 2K0143344.D 1 08/05/22 MB n/a n/a V2K3165
V2K3165-BSD1 2K0143345.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
591-78-6 2-Hexanone 50 52.8 106 54.2 108 3 70-130/30
87-68-3 Hexachlorobutadiene 20 22.2 111 22.0 110 1 70-130/30
98-82-8 Isopropylbenzene 20 21.7 109 21.4 107 1 70-130/30
99-87-6 p-Isopropyltoluene 20 21.7 109 22.1 111 2 70-130/30
74-83-9 Methyl Bromide 20 20.7 104 22.1 111 7 60-140/30
74-87-3 Methyl Chloride 20 18.0 90 19.0 95 5 60-140/30
74-95-3 Methylene Bromide 20 18.8 94 18.9 95 1 70-130/30
75-09-2 Methylene Chloride 20 17.3 87 18.2 91 5 70-130/30
78-93-3 Methyl Ethyl Ketone 50 43.6 87 50.4 101 14 70-130/30
108-10-1 4-Methyl-2-pentanone 50 46.9 94 50.0 100 6 70-130/30
1634-04-4 Methyl Tert Butyl Ether 20 19.7 99 21.3 107 8 70-130/30
91-20-3 Naphthalene 20 23.1 116 24.3 122 5 70-130/30
103-65-1 n-Propylbenzene 20 20.8 104 20.8 104 0 70-130/30
100-42-5 Styrene 20 21.7 109 21.6 108 0 70-130/30
630-20-6 1,1,1,2-Tetrachloroethane 20 22.7 114 22.8 114 0 70-130/30
79-34-5 1,1,2,2-Tetrachloroethane 20 22.1 111 23.0 115 4 70-130/30
127-18-4 Tetrachloroethylene 20 21.3 107 21.8 109 2 70-130/30
108-88-3 Toluene 20 20.0 100 20.1 101 0 70-130/30
87-61-6 1,2,3-Trichlorobenzene 20 21.7 109 22.2 111 2 70-130/30
120-82-1 1,2,4-Trichlorobenzene 20 21.5 108 21.8 109 1 70-130/30
71-55-6 1,1,1-Trichloroethane 20 19.4 97 21.0 105 8 70-130/30
79-00-5 1,1,2-Trichloroethane 20 19.6 98 20.6 103 5 70-130/30
79-01-6 Trichloroethylene 20 18.5 93 18.4 92 1 70-130/30
75-69-4 Trichlorofluoromethane 20 21.8 109 22.5 113 3 60-140/30
96-18-4 1,2,3-Trichloropropane 20 21.2 106 21.4 107 1 70-130/30
95-63-6 1,2,4-Trimethylbenzene 20 21.4 107 21.3 107 0 70-130/30
108-67-8 1,3,5-Trimethylbenzene 20 20.6 103 21.0 105 2 70-130/30
108-05-4 Vinyl Acetate 20 19.6 98 20.7 104 5 70-130/30
75-01-4 Vinyl Chloride 20 19.0 95 20.1 101 6 60-140/30
m,p-Xylene 40 46.0 115 45.4 114 1 70-130/30
95-47-6 o-Xylene 20 21.8 109 21.5 108 1 70-130/30
1330-20-7 Xylene (total)60 67.8 113 66.9 112 1 70-130/30
* = Outside of Control Limits.
34 of 40
LA8161255.2.1
Blank Spike/Blank Spike Duplicate Summary Page 3 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3165-BS1 2K0143344.D 1 08/05/22 MB n/a n/a V2K3165
V2K3165-BSD1 2K0143345.D 1 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 108%117%70-130%
2037-26-5 Toluene-D8 95%100%70-130%
460-00-4 4-Bromofluorobenzene 96%91%70-130%
* = Outside of Control Limits.
35 of 40
LA8161255.2.1
Blank Spike/Blank Spike Duplicate Summary Page 1 of 1
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
V2K3167-BS1 2K0143385.D 1 08/10/22 MB n/a n/a V2K3167
V2K3167-BSD1 2K0143386.D 1 08/10/22 MB n/a n/a V2K3167
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1
Spike BSP BSP BSD BSD Limits
CAS No.Compound ug/l ug/l %ug/l %RPD Rec/RPD
1634-04-4 Methyl Tert Butyl Ether 20 20.3 102 20.8 104 2 70-130/30
CAS No.Surrogate Recoveries BSP BSD Limits
17060-07-0 1,2-Dichloroethane-D4 98%98%70-130%
2037-26-5 Toluene-D8 100%100%70-130%
460-00-4 4-Bromofluorobenzene 106%101%70-130%
* = Outside of Control Limits.
36 of 40
LA8161255.2.2
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA81612-1MS 2K0143357.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1MSD 2K0143358.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1 2K0143352.D 5 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
LA81612-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
67-64-1 Acetone ND 1000 347 35*1000 318 32*9 70-130/20
71-43-2 Benzene ND 400 344 86 400 335 84 3 70-130/20
108-86-1 Bromobenzene ND 400 430 108 400 423 106 2 70-130/20
74-97-5 Bromochloromethane ND 400 404 101 400 412 103 2 70-130/20
75-27-4 Bromodichloromethane ND 400 374 94 400 371 93 1 70-130/20
75-25-2 Bromoform ND 400 403 101 400 395 99 2 70-130/20
104-51-8 n-Butylbenzene ND 400 416 104 400 400 100 4 70-130/20
135-98-8 sec-Butylbenzene ND 400 453 113 400 427 107 6 70-130/20
98-06-6 tert-Butylbenzene ND 400 439 110 400 432 108 2 70-130/20
56-23-5 Carbon Tetrachloride ND 400 384 96 400 386 97 1 70-130/20
108-90-7 Chlorobenzene ND 400 422 106 400 413 103 2 70-130/20
75-00-3 Chloroethane ND 400 404 101 400 379 95 6 60-140/20
67-66-3 Chloroform 0.88 J 400 380 95 400 381 95 0 70-130/20
95-49-8 o-Chlorotoluene ND 400 441 110 400 430 108 3 70-130/20
106-43-4 p-Chlorotoluene ND 400 452 113 400 433 108 4 70-130/20
124-48-1 Dibromochloromethane ND 400 405 101 400 409 102 1 70-130/20
96-12-8 1,2-Dibromo-3-chloropropane ND 400 409 102 400 384 96 6 70-130/20
106-93-4 1,2-Dibromoethane ND 400 443 111 400 446 112 1 70-130/20
75-71-8 Dichlorodifluoromethane ND 400 408 102 400 397 99 3 60-140/20
541-73-1 m-Dichlorobenzene ND 400 447 112 400 430 108 4 70-130/20
95-50-1 o-Dichlorobenzene ND 400 434 109 400 408 102 6 70-130/20
106-46-7 p-Dichlorobenzene ND 400 426 107 400 409 102 4 70-130/20
75-34-3 1,1-Dichloroethane ND 400 418 105 400 410 103 2 70-130/20
107-06-2 1,2-Dichloroethane ND 400 374 94 400 362 91 3 70-130/20
75-35-4 1,1-Dichloroethylene ND 400 422 106 400 412 103 2 70-130/20
156-59-2 cis-1,2-Dichloroethylene ND 400 407 102 400 409 102 0 70-130/20
156-60-5 trans-1,2-Dichloroethylene ND 400 404 101 400 404 101 0 70-130/20
78-87-5 1,2-Dichloropropane ND 400 398 100 400 379 95 5 70-130/20
142-28-9 1,3-Dichloropropane ND 400 442 111 400 437 109 1 70-130/20
594-20-7 2,2-Dichloropropane ND 400 416 104 400 410 103 1 70-130/20
563-58-6 1,1-Dichloropropene ND 400 393 98 400 386 97 2 70-130/20
10061-01-5 cis-1,3-Dichloropropene ND 400 381 95 400 384 96 1 70-130/20
10061-02-6 trans-1,3-Dichloropropene ND 400 398 100 400 412 103 3 70-130/20
108-20-3 Di-Isopropyl Ether 12.4 400 440 107 400 435 106 1 70-130/20
64-17-5 Ethyl Alcohol ND 8000 7480 94 8000 6430 80 15 70-130/20
100-41-4 Ethylbenzene ND 400 426 107 400 438 110 3 70-130/20
* = Outside of Control Limits.
37 of 40
LA8161255.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 2 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA81612-1MS 2K0143357.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1MSD 2K0143358.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1 2K0143352.D 5 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
LA81612-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
591-78-6 2-Hexanone ND 1000 871 87 1000 897 90 3 70-130/20
87-68-3 Hexachlorobutadiene ND 400 421 105 400 401 100 5 70-130/20
98-82-8 Isopropylbenzene ND 400 433 108 400 440 110 2 70-130/20
99-87-6 p-Isopropyltoluene ND 400 455 114 400 433 108 5 70-130/20
74-83-9 Methyl Bromide ND 400 400 100 400 434 109 8 60-140/20
74-87-3 Methyl Chloride ND 400 363 91 400 360 90 1 60-140/20
74-95-3 Methylene Bromide ND 400 379 95 400 379 95 0 70-130/20
75-09-2 Methylene Chloride ND 400 374 94 400 363 91 3 70-130/20
78-93-3 Methyl Ethyl Ketone ND 1000 709 71 1000 725 73 2 70-130/20
108-10-1 4-Methyl-2-pentanone ND 1000 1000 100 1000 958 96 4 70-130/20
1634-04-4 Methyl Tert Butyl Ether 721 E 400 1080 90 400 1100 95 2 70-130/20
91-20-3 Naphthalene ND 400 475 119 400 464 116 2 70-130/20
103-65-1 n-Propylbenzene ND 400 416 104 400 415 104 0 70-130/20
100-42-5 Styrene ND 400 438 110 400 445 111 2 70-130/20
630-20-6 1,1,1,2-Tetrachloroethane ND 400 452 113 400 456 114 1 70-130/20
79-34-5 1,1,2,2-Tetrachloroethane ND 400 480 120 400 463 116 4 70-130/20
127-18-4 Tetrachloroethylene ND 400 368 92 400 362 91 2 70-130/20
108-88-3 Toluene ND 400 401 100 400 409 102 2 70-130/20
87-61-6 1,2,3-Trichlorobenzene ND 400 458 115 400 432 108 6 70-130/20
120-82-1 1,2,4-Trichlorobenzene ND 400 434 109 400 431 108 1 70-130/20
71-55-6 1,1,1-Trichloroethane ND 400 402 101 400 401 100 0 70-130/20
79-00-5 1,1,2-Trichloroethane ND 400 432 108 400 410 103 5 70-130/20
79-01-6 Trichloroethylene ND 400 376 94 400 363 91 4 70-130/20
75-69-4 Trichlorofluoromethane ND 400 456 114 400 446 112 2 60-140/20
96-18-4 1,2,3-Trichloropropane ND 400 422 106 400 424 106 0 70-130/20
95-63-6 1,2,4-Trimethylbenzene ND 400 449 112 400 431 108 4 70-130/20
108-67-8 1,3,5-Trimethylbenzene ND 400 423 106 400 415 104 2 70-130/20
108-05-4 Vinyl Acetate ND 400 410 103 400 410 103 0 70-130/20
75-01-4 Vinyl Chloride ND 400 387 97 400 382 96 1 60-140/20
m,p-Xylene ND 800 907 113 800 926 116 2 70-130/20
95-47-6 o-Xylene ND 400 443 111 400 442 111 0 70-130/20
1330-20-7 Xylene (total)ND 1200 1350 113 1200 1370 114 1 70-130/20
* = Outside of Control Limits.
38 of 40
LA8161255.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 3 of 3
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA81612-1MS 2K0143357.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1MSD 2K0143358.D 20 08/05/22 MB n/a n/a V2K3165
LA81612-1 2K0143352.D 5 08/05/22 MB n/a n/a V2K3165
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1, LA81612-2, LA81612-3, LA81612-4, LA81612-5, LA81612-6
CAS No.Surrogate Recoveries MS MSD LA81612-1 Limits
17060-07-0 1,2-Dichloroethane-D4 111%112%106%70-130%
2037-26-5 Toluene-D8 98%97%100%70-130%
460-00-4 4-Bromofluorobenzene 93%94%95%70-130%
* = Outside of Control Limits.
39 of 40
LA8161255.3.1
Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 1
Job Number:LA81612
Account:ATCNCR Atlas
Project:Mt. Harmony, 1818 Mt. Harmony Rd, Rougemont, NC
Sample File ID DF Analyzed By Prep Date Prep Batch Analytical Batch
LA81612-1MS 2K0143390.D 50 08/10/22 MB n/a n/a V2K3167
LA81612-1MSD 2K0143391.D 50 08/10/22 MB n/a n/a V2K3167
LA81612-1 2K0143389.D 20 08/10/22 MB n/a n/a V2K3167
The QC reported here applies to the following samples:Method: SM 6200B
LA81612-1
LA81612-1 Spike MS MS Spike MSD MSD Limits
CAS No.Compound ug/l Q ug/l ug/l %ug/l ug/l %RPD Rec/RPD
1634-04-4 Methyl Tert Butyl Ether 609 1000 1450 84 1000 1480 87 2 70-130/20
CAS No.Surrogate Recoveries MS MSD LA81612-1 Limits
17060-07-0 1,2-Dichloroethane-D4 93%94%101%70-130%
2037-26-5 Toluene-D8 99%102%101%70-130%
460-00-4 4-Bromofluorobenzene 102%100%101%70-130%
* = Outside of Control Limits.
40 of 40
LA8161255.3.2