MO-108_27094_G_WSW_20230501_HARRISONHREREQ

May 1, 2023
MEMORANDUM
TO: Dave Lilley, Environmental Toxicologist, Division of Waste Management, 1646 Mail Service Center, Raleigh, NC 27699-1646 (FAX [phone])
FROM: Brad Newton, Mooresville Regional Office, UST Section SUBJECT: Request for Health Risk Evaluation of Water Supply Tracking ID: 27094 Enclosed please find the analytical results for a water sample collected on April 10, 2023 from the Harrison water supply well, identified as WSW-11, located at 417 Charlotte Street, Alexis, Gaston County. Please perform a health risk evaluation and send the evaluation with your recommendation and a copy of this memo to me. I will then forward the health risk evaluation and recommendation to any well users.
If you have questions or need additional information, please contact me at the address or telephone number below. Thank you for your assistance.
Attachment(s): Harrison Sample Analytical Results

#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Sample:WSW-11 Lab ID:92661450004 Collected:04/10/23 14:45 Received:04/10/23 16:22 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualReport Limit
Analytical Method: EPA 504.1 Preparation Method: EPA 504.1
Pace Analytical Services - Charlotte
504 GCS EDB and DBCP
1,2-Dibromo-3-chloropropane ND ug/L 04/15/23 00:23 96-12-804/14/23 11:490.051 1
1,2-Dibromoethane (EDB)ND ug/L 04/15/23 00:23 106-93-404/14/23 11:490.020 1
1,2,3-Trichloropropane ND ug/L 04/15/23 00:23 96-18-404/14/23 11:490.051 1
Surrogates
1-Chloro-2-bromopropane (S)81 %04/15/23 00:23 301-79-5604/14/23 11:4970-130 1
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Benzene ND ug/L 04/18/23 02:10 71-43-20.50 1
Bromobenzene ND ug/L 04/18/23 02:10 108-86-10.50 1
Bromochloromethane ND ug/L 04/18/23 02:10 74-97-50.50 1
Bromodichloromethane ND ug/L 04/18/23 02:10 75-27-40.50 1
Bromoform ND ug/L 04/18/23 02:10 75-25-20.50 1
Bromomethane ND ug/L 04/18/23 02:10 74-83-95.0 1
n-Butylbenzene ND ug/L 04/18/23 02:10 104-51-80.50 1
sec-Butylbenzene ND ug/L 04/18/23 02:10 135-98-80.50 1
tert-Butylbenzene ND ug/L 04/18/23 02:10 98-06-60.50 1
Carbon tetrachloride ND ug/L 04/18/23 02:10 56-23-50.50 1
Chlorobenzene ND ug/L 04/18/23 02:10 108-90-70.50 1
Chloroethane ND ug/L 04/18/23 02:10 75-00-31.0 1
Chloroform ND ug/L 04/18/23 02:10 67-66-30.50 1
Chloromethane ND ug/L 04/18/23 02:10 74-87-31.0 1
2-Chlorotoluene ND ug/L 04/18/23 02:10 95-49-80.50 1
4-Chlorotoluene ND ug/L 04/18/23 02:10 106-43-40.50 1
1,2-Dibromo-3-chloropropane ND ug/L 04/18/23 02:10 96-12-81.0 1
Dibromochloromethane ND ug/L 04/18/23 02:10 124-48-10.50 1
1,2-Dibromoethane (EDB)ND ug/L 04/18/23 02:10 106-93-40.50 1
Dibromomethane ND ug/L 04/18/23 02:10 74-95-30.50 1
1,2-Dichlorobenzene ND ug/L 04/18/23 02:10 95-50-10.50 1
1,3-Dichlorobenzene ND ug/L 04/18/23 02:10 541-73-10.50 1
1,4-Dichlorobenzene ND ug/L 04/18/23 02:10 106-46-70.50 1
Dichlorodifluoromethane ND ug/L 04/18/23 02:10 75-71-80.50 1
1,1-Dichloroethane ND ug/L 04/18/23 02:10 75-34-30.50 1
1,2-Dichloroethane ND ug/L 04/18/23 02:10 107-06-20.50 1
1,1-Dichloroethene ND ug/L 04/18/23 02:10 75-35-40.50 1
cis-1,2-Dichloroethene ND ug/L 04/18/23 02:10 156-59-20.50 1
trans-1,2-Dichloroethene ND ug/L 04/18/23 02:10 156-60-50.50 1
1,2-Dichloropropane ND ug/L 04/18/23 02:10 78-87-50.50 1
1,3-Dichloropropane ND ug/L 04/18/23 02:10 142-28-90.50 1
2,2-Dichloropropane ND ug/L 04/18/23 02:10 594-20-70.50 1
1,1-Dichloropropene ND ug/L 04/18/23 02:10 563-58-60.50 1
cis-1,3-Dichloropropene ND ug/L 04/18/23 02:10 10061-01-50.50 1
trans-1,3-Dichloropropene ND ug/L 04/18/23 02:10 10061-02-60.50 1
Diisopropyl ether ND ug/L 04/18/23 02:10 108-20-30.50 1
Ethylbenzene ND ug/L 04/18/23 02:10 100-41-40.50 1
Hexachloro-1,3-butadiene ND ug/L 04/18/23 02:10 87-68-32.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 10 of 24
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Sample:WSW-11 Lab ID:92661450004 Collected:04/10/23 14:45 Received:04/10/23 16:22 Matrix:Water
Parameters Results Units DF Prepared Analyzed CAS No.QualReport Limit
Analytical Method: SM 6200B
Pace Analytical Services - Charlotte
6200B MSV
Isopropylbenzene (Cumene)ND ug/L 04/18/23 02:10 98-82-80.50 1
Methylene Chloride ND ug/L 04/18/23 02:10 75-09-22.0 1
Methyl-tert-butyl ether 0.99 ug/L 04/18/23 02:10 1634-04-40.50 1
Naphthalene ND ug/L 04/18/23 02:10 91-20-32.0 1
n-Propylbenzene ND ug/L 04/18/23 02:10 103-65-10.50 1
Styrene ND ug/L 04/18/23 02:10 100-42-50.50 1
1,1,1,2-Tetrachloroethane ND ug/L 04/18/23 02:10 630-20-60.50 1
1,1,2,2-Tetrachloroethane ND ug/L 04/18/23 02:10 79-34-50.50 1
Tetrachloroethene ND ug/L 04/18/23 02:10 127-18-40.50 1
Toluene ND ug/L 04/18/23 02:10 108-88-30.50 1
1,2,3-Trichlorobenzene ND ug/L 04/18/23 02:10 87-61-62.0 1
1,2,4-Trichlorobenzene ND ug/L 04/18/23 02:10 120-82-12.0 1
1,1,1-Trichloroethane ND ug/L 04/18/23 02:10 71-55-60.50 1
1,1,2-Trichloroethane ND ug/L 04/18/23 02:10 79-00-50.50 1
Trichloroethene ND ug/L 04/18/23 02:10 79-01-60.50 1
Trichlorofluoromethane ND ug/L 04/18/23 02:10 75-69-41.0 1
1,2,3-Trichloropropane ND ug/L 04/18/23 02:10 96-18-40.50 1
1,2,4-Trimethylbenzene ND ug/L 04/18/23 02:10 95-63-60.50 1
1,3,5-Trimethylbenzene ND ug/L 04/18/23 02:10 108-67-80.50 1
Vinyl chloride ND ug/L 04/18/23 02:10 75-01-41.0 1
m&p-Xylene ND ug/L 04/18/23 02:10 179601-23-11.0 1
o-Xylene ND ug/L 04/18/23 02:10 95-47-60.50 1
Surrogates
1,2-Dichloroethane-d4 (S)92 %04/18/23 02:10 17060-07-070-130 1
4-Bromofluorobenzene (S)101 %04/18/23 02:10 460-00-470-130 1
Toluene-d8 (S)104 %04/18/23 02:10 2037-26-570-130 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
768523
SM 6200B
SM 6200B
6200B MSV
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92661450001, 92661450002, 92661450003, 92661450004, 92661450005
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3990218
Associated Lab Samples:92661450001, 92661450002, 92661450003, 92661450004, 92661450005
Matrix:Water
Analyzed
1,1,1,2-Tetrachloroethane ug/L ND 0.50 04/18/23 00:40
1,1,1-Trichloroethane ug/L ND 0.50 04/18/23 00:40
1,1,2,2-Tetrachloroethane ug/L ND 0.50 04/18/23 00:40
1,1,2-Trichloroethane ug/L ND 0.50 04/18/23 00:40
1,1-Dichloroethane ug/L ND 0.50 04/18/23 00:40
1,1-Dichloroethene ug/L ND 0.50 04/18/23 00:40
1,1-Dichloropropene ug/L ND 0.50 04/18/23 00:40
1,2,3-Trichlorobenzene ug/L ND 2.0 04/18/23 00:40
1,2,3-Trichloropropane ug/L ND 0.50 04/18/23 00:40
1,2,4-Trichlorobenzene ug/L ND 2.0 04/18/23 00:40
1,2,4-Trimethylbenzene ug/L ND 0.50 04/18/23 00:40
1,2-Dibromo-3-chloropropane ug/L ND 1.0 04/18/23 00:40
1,2-Dibromoethane (EDB)ug/L ND 0.50 04/18/23 00:40
1,2-Dichlorobenzene ug/L ND 0.50 04/18/23 00:40
1,2-Dichloroethane ug/L ND 0.50 04/18/23 00:40
1,2-Dichloropropane ug/L ND 0.50 04/18/23 00:40
1,3,5-Trimethylbenzene ug/L ND 0.50 04/18/23 00:40
1,3-Dichlorobenzene ug/L ND 0.50 04/18/23 00:40
1,3-Dichloropropane ug/L ND 0.50 04/18/23 00:40
1,4-Dichlorobenzene ug/L ND 0.50 04/18/23 00:40
2,2-Dichloropropane ug/L ND 0.50 04/18/23 00:40
2-Chlorotoluene ug/L ND 0.50 04/18/23 00:40
4-Chlorotoluene ug/L ND 0.50 04/18/23 00:40
Benzene ug/L ND 0.50 04/18/23 00:40
Bromobenzene ug/L ND 0.50 04/18/23 00:40
Bromochloromethane ug/L ND 0.50 04/18/23 00:40
Bromodichloromethane ug/L ND 0.50 04/18/23 00:40
Bromoform ug/L ND 0.50 04/18/23 00:40
Bromomethane ug/L ND 5.0 04/18/23 00:40
Carbon tetrachloride ug/L ND 0.50 04/18/23 00:40
Chlorobenzene ug/L ND 0.50 04/18/23 00:40
Chloroethane ug/L ND 1.0 04/18/23 00:40
Chloroform ug/L ND 0.50 04/18/23 00:40
Chloromethane ug/L ND 1.0 04/18/23 00:40
cis-1,2-Dichloroethene ug/L ND 0.50 04/18/23 00:40
cis-1,3-Dichloropropene ug/L ND 0.50 04/18/23 00:40
Dibromochloromethane ug/L ND 0.50 04/18/23 00:40
Dibromomethane ug/L ND 0.50 04/18/23 00:40
Dichlorodifluoromethane ug/L ND 0.50 04/18/23 00:40
Diisopropyl ether ug/L ND 0.50 04/18/23 00:40
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 14 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3990218
Associated Lab Samples:92661450001, 92661450002, 92661450003, 92661450004, 92661450005
Matrix:Water
Analyzed
Ethylbenzene ug/L ND 0.50 04/18/23 00:40
Hexachloro-1,3-butadiene ug/L ND 2.0 04/18/23 00:40
Isopropylbenzene (Cumene)ug/L ND 0.50 04/18/23 00:40
m&p-Xylene ug/L ND 1.0 04/18/23 00:40
Methyl-tert-butyl ether ug/L ND 0.50 04/18/23 00:40
Methylene Chloride ug/L ND 2.0 04/18/23 00:40
n-Butylbenzene ug/L ND 0.50 04/18/23 00:40
n-Propylbenzene ug/L ND 0.50 04/18/23 00:40
Naphthalene ug/L ND 2.0 04/18/23 00:40
o-Xylene ug/L ND 0.50 04/18/23 00:40
sec-Butylbenzene ug/L ND 0.50 04/18/23 00:40
Styrene ug/L ND 0.50 04/18/23 00:40
tert-Butylbenzene ug/L ND 0.50 04/18/23 00:40
Tetrachloroethene ug/L ND 0.50 04/18/23 00:40
Toluene ug/L ND 0.50 04/18/23 00:40
trans-1,2-Dichloroethene ug/L ND 0.50 04/18/23 00:40
trans-1,3-Dichloropropene ug/L ND 0.50 04/18/23 00:40
Trichloroethene ug/L ND 0.50 04/18/23 00:40
Trichlorofluoromethane ug/L ND 1.0 04/18/23 00:40
Vinyl chloride ug/L ND 1.0 04/18/23 00:40
1,2-Dichloroethane-d4 (S)%94 70-130 04/18/23 00:40
4-Bromofluorobenzene (S)%99 70-130 04/18/23 00:40
Toluene-d8 (S)%102 70-130 04/18/23 00:40
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3990219LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 19.520 97 60-140
1,1,1-Trichloroethane ug/L 19.120 96 60-140
1,1,2,2-Tetrachloroethane ug/L 20.020 100 60-140
1,1,2-Trichloroethane ug/L 19.620 98 60-140
1,1-Dichloroethane ug/L 19.320 96 60-140
1,1-Dichloroethene ug/L 20.520 102 60-140
1,1-Dichloropropene ug/L 20.620 103 60-140
1,2,3-Trichlorobenzene ug/L 19.020 95 60-140
1,2,3-Trichloropropane ug/L 19.820 99 60-140
1,2,4-Trichlorobenzene ug/L 18.320 91 60-140
1,2,4-Trimethylbenzene ug/L 19.320 96 60-140
1,2-Dibromo-3-chloropropane ug/L 18.720 94 60-140
1,2-Dibromoethane (EDB)ug/L 20.020 100 60-140
1,2-Dichlorobenzene ug/L 19.120 95 60-140
1,2-Dichloroethane ug/L 19.120 95 60-140
1,2-Dichloropropane ug/L 20.520 103 60-140
1,3,5-Trimethylbenzene ug/L 19.120 96 60-140
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 15 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3990219LABORATORY CONTROL SAMPLE:
LCSSpike
1,3-Dichlorobenzene ug/L 18.820 94 60-140
1,3-Dichloropropane ug/L 19.520 98 60-140
1,4-Dichlorobenzene ug/L 18.520 92 60-140
2,2-Dichloropropane ug/L 18.520 92 60-140
2-Chlorotoluene ug/L 18.720 93 60-140
4-Chlorotoluene ug/L 19.020 95 60-140
Benzene ug/L 19.820 99 60-140
Bromobenzene ug/L 18.620 93 60-140
Bromochloromethane ug/L 19.520 97 60-140
Bromodichloromethane ug/L 19.220 96 60-140
Bromoform ug/L 18.920 94 60-140
Bromomethane ug/L 14.120 70 60-140
Carbon tetrachloride ug/L 19.520 98 60-140
Chlorobenzene ug/L 19.320 96 60-140
Chloroethane ug/L 18.420 92 60-140
Chloroform ug/L 19.020 95 60-140
Chloromethane ug/L 17.620 88 60-140
cis-1,2-Dichloroethene ug/L 19.120 95 60-140
cis-1,3-Dichloropropene ug/L 19.720 98 60-140
Dibromochloromethane ug/L 19.220 96 60-140
Dibromomethane ug/L 18.820 94 60-140
Dichlorodifluoromethane ug/L 21.020 105 60-140
Diisopropyl ether ug/L 17.820 89 60-140
Ethylbenzene ug/L 19.220 96 60-140
Hexachloro-1,3-butadiene ug/L 17.820 89 60-140
Isopropylbenzene (Cumene)ug/L 19.420 97 60-140
m&p-Xylene ug/L 38.640 96 60-140
Methyl-tert-butyl ether ug/L 15.820 79 60-140
Methylene Chloride ug/L 15.920 80 60-140
n-Butylbenzene ug/L 18.920 95 60-140
n-Propylbenzene ug/L 18.620 93 60-140
Naphthalene ug/L 19.820 99 60-140
o-Xylene ug/L 19.220 96 60-140
sec-Butylbenzene ug/L 18.820 94 60-140
Styrene ug/L 20.020 100 60-140
tert-Butylbenzene ug/L 15.520 78 60-140
Tetrachloroethene ug/L 18.320 92 60-140
Toluene ug/L 18.920 95 60-140
trans-1,2-Dichloroethene ug/L 19.320 96 60-140
trans-1,3-Dichloropropene ug/L 19.220 96 60-140
Trichloroethene ug/L 19.620 98 60-140
Trichlorofluoromethane ug/L 17.920 89 60-140
Vinyl chloride ug/L 15.620 78 60-140
1,2-Dichloroethane-d4 (S)%101 70-130
4-Bromofluorobenzene (S)%102 70-130
Toluene-d8 (S)%101 70-130
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 16 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3990220MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92661450001
3990221
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 109 60-140106 320ND21.7 21.1
1,1,1-Trichloroethane ug/L 20 115 60-140110 420ND23.0 22.0
1,1,2,2-Tetrachloroethane ug/L 20 108 60-140105 320ND21.7 20.9
1,1,2-Trichloroethane ug/L 20 110 60-140110 020ND22.0 22.0
1,1-Dichloroethane ug/L 20 114 60-140109 420ND22.7 21.9
1,1-Dichloroethene ug/L 20 127 60-140120 520ND25.3 24.0
1,1-Dichloropropene ug/L 20 123 60-140119 420ND24.7 23.7
1,2,3-Trichlorobenzene ug/L 20 117 60-140113 420ND23.5 22.6
1,2,3-Trichloropropane ug/L 20 106 60-140101 420ND21.1 20.2
1,2,4-Trichlorobenzene ug/L 20 121 60-140112 820ND24.3 22.4
1,2,4-Trimethylbenzene ug/L 20 116 60-140111 520ND23.2 22.1
1,2-Dibromo-3-chloropropane ug/L 20 100 60-140100 020ND19.9 20.0
1,2-Dibromoethane (EDB)ug/L 20 112 60-140108 420ND22.4 21.6
1,2-Dichlorobenzene ug/L 20 111 60-140107 320ND22.2 21.4
1,2-Dichloroethane ug/L 20 111 60-140107 420ND22.3 21.5
1,2-Dichloropropane ug/L 20 117 60-140115 120ND23.3 23.1
1,3,5-Trimethylbenzene ug/L 20 115 60-140110 420ND23.0 22.1
1,3-Dichlorobenzene ug/L 20 111 60-140107 320ND22.2 21.5
1,3-Dichloropropane ug/L 20 108 60-140107 120ND21.6 21.3
1,4-Dichlorobenzene ug/L 20 109 60-140105 420ND21.7 20.9
2,2-Dichloropropane ug/L 20 119 60-140113 520ND23.8 22.7
2-Chlorotoluene ug/L 20 110 60-140106 320ND21.9 21.2
4-Chlorotoluene ug/L 20 110 60-140106 420ND22.0 21.2
Benzene ug/L 20 114 60-140112 120ND22.7 22.5
Bromobenzene ug/L 20 104 60-140103 120ND20.8 20.5
Bromochloromethane ug/L 20 110 60-140106 420ND22.1 21.3
Bromodichloromethane ug/L 20 109 60-140109 020ND21.7 21.7
Bromoform ug/L 20 104 60-140101 320ND20.9 20.2
Bromomethane ug/L 20 88 60-14086 320ND17.6 17.2
Carbon tetrachloride ug/L 20 119 60-140112 620ND23.8 22.4
Chlorobenzene ug/L 20 107 60-140106 120ND21.4 21.2
Chloroethane ug/L 20 108 60-140106 220ND21.6 21.2
Chloroform ug/L 20 108 60-140108 020ND21.6 21.7
Chloromethane ug/L 20 101 60-14098 320ND20.3 19.7
cis-1,2-Dichloroethene ug/L 20 112 60-140109 320ND22.3 21.7
cis-1,3-Dichloropropene ug/L 20 112 60-140111 020ND22.3 22.3
Dibromochloromethane ug/L 20 108 60-140103 520ND21.6 20.6
Dibromomethane ug/L 20 108 60-140103 420ND21.5 20.7
Dichlorodifluoromethane ug/L 20 115 60-140108 620ND23.0 21.6
Diisopropyl ether ug/L 20 104 60-140100 320ND20.7 20.1
Ethylbenzene ug/L 20 107 60-140103 420ND21.5 20.7
Hexachloro-1,3-butadiene ug/L 20 132 60-140116 1220ND26.3 23.2
Isopropylbenzene (Cumene)ug/L 20 114 60-140110 320ND22.8 22.0
m&p-Xylene ug/L 40 108 60-140106 240ND43.2 42.5
Methyl-tert-butyl ether ug/L 20 90 60-14086 4200.62 18.6 17.9
Methylene Chloride ug/L 20 73 60-14068 820ND14.7 13.6
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 17 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3990220MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92661450001
3990221
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
n-Butylbenzene ug/L 20 128 60-140117 920ND25.6 23.5
n-Propylbenzene ug/L 20 115 60-140109 520ND22.9 21.9
Naphthalene ug/L 20 113 60-140110 220ND22.5 22.0
o-Xylene ug/L 20 107 60-140103 420ND21.5 20.7
sec-Butylbenzene ug/L 20 123 60-140114 820ND24.6 22.7
Styrene ug/L 20 108 60-140106 220ND21.7 21.2
tert-Butylbenzene ug/L 20 97 60-14092 620ND19.4 18.3
Tetrachloroethene ug/L 20 110 60-140105 520ND22.0 21.0
Toluene ug/L 20 106 60-140105 120ND21.3 21.0
trans-1,2-Dichloroethene ug/L 20 119 60-140114 520ND23.8 22.7
trans-1,3-Dichloropropene ug/L 20 111 60-140106 420ND22.2 21.3
Trichloroethene ug/L 20 119 60-140115 320ND23.7 23.0
Trichlorofluoromethane ug/L 20 111 60-140104 620ND22.2 20.9
Vinyl chloride ug/L 20 93 60-14090 320ND18.6 18.1
1,2-Dichloroethane-d4 (S)%99 70-13096
4-Bromofluorobenzene (S)%100 70-13099
Toluene-d8 (S)%98 70-13099
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 18 of 24
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92661450
ALEXIS GROCERY
Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.
QC Batch:
QC Batch Method:
Analysis Method:
Analysis Description:
768051
EPA 504.1
EPA 504.1
GCS 504 EDB DBCP
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples:92661450001, 92661450002, 92661450003, 92661450004, 92661450005
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK:3987781
Associated Lab Samples:92661450001, 92661450002, 92661450003, 92661450004, 92661450005
Matrix:Water
Analyzed
1,2,3-Trichloropropane ug/L ND 0.050 04/14/23 21:53
1,2-Dibromo-3-chloropropane ug/L ND 0.050 04/14/23 21:53
1,2-Dibromoethane (EDB)ug/L ND 0.020 04/14/23 21:53
1-Chloro-2-bromopropane (S)%82 70-130 04/14/23 21:53
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
3987782LABORATORY CONTROL SAMPLE & LCSD:
LCSSpike LCSD
% Rec RPD
Max
RPD
LCSD
Result
3987783
1,2,3-Trichloropropane ug/L 0.200.25 82 70-130800.20 3 20
1,2-Dibromo-3-chloropropane ug/L 0.210.25 83 70-130870.21 4 20
1,2-Dibromoethane (EDB)ug/L 0.210.25 83 70-130840.21 1 20
1-Chloro-2-bromopropane (S)%86 70-13085
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
3987785MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92661450002
3987786
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,2,3-Trichloropropane ug/L 0.25 87 65-13585 20.25ND 0.21 0.21
1,2-Dibromo-3-chloropropane ug/L 0.25 87 65-13587 10.25ND 0.21 0.22
1,2-Dibromoethane (EDB)ug/L 0.25 85 65-13585 00.25ND 0.21 0.21
1-Chloro-2-bromopropane (S)%87 70-13087
Parameter Units
Dup
Result QualifiersRPDResult
92661450001
3987784SAMPLE DUPLICATE:
1,2,3-Trichloropropane ug/L NDND
1,2-Dibromo-3-chloropropane ug/L NDND
1,2-Dibromoethane (EDB)ug/L NDND
1-Chloro-2-bromopropane (S)%8384
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 04/18/2023 02:27 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 19 of 24