6804_OrangeCoCDLF_May2024GWMR_FID1890663_20240730

Groundwater
Monitoring Program
Results of Sampling
and Analysis
38: 5.7.24 +
+ 5.9.24

Submitted to:
-DWM -1646
Orange County Solid Waste Management (Active C&D
-04
558034

Orange County Solid Waste Management

Prepared By:
TRC Companies Edinburgh South Drive, Suite 200
2024
Prepared by:Environmental Specialist
Reviewed and approved by:Bilgen Yuncu, PhD, PE, PMP Environmental Engineer/Project Manager
WELL ID CAS Number PARAMETER RESULT UNITS QUALIFIER METHOD MDL MRL
REGULATORY
PROTECTION
STANDARD
SOURCE ANALYSIS*
6804-MW211R-20240508 7439-96-5 Manganese 4,340 µg/L 6010D NR 5 4,070 FBAC Upgradient well; >MRL; >2L; <FBAC of 4,070 µg/L; ASD approved 08-25-11
Yellow highlighted well indicates upgradient location
Well ID Format - facility permit number - well ID - sample collection date (yyyymmdd)
ASD - Alternate Source Demonstration
MDL - Method Detection Limit
MRL - Method Reporting Limit
FBAC - Facility Background Concentration (Letter requesting FBACs as regulatory protection standard submitted to NCDEQ on December 11, 2019)
Bold italicized values exceed their respective regulatory protection standard (2L, FBAC or MCL).
* Note: These analyses should be interpreted in the context of the groundwater sampling report for this event.
MCL - Maximum Contaminant Level
NR - Not Reported
INORGANIC CONSTITUENTS ATTAINING OR EXCEEDING THEIR REGULATORY PROTECTION STANDARDS [metals (total = not filtered)]

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 05.07.24 to 05.09.24 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENTS
1. Figures
2. Monitoring Well Network
3. Groundwater Elevation Data

4. Groundwater Velocity Calculations
5. Organic Constituents
6. Inorganic Constituents

7. Laboratory Certificate-Of-Analysis

8. Field Data
9. Statistical Analyses
10. Quality Control Assessment

11. Correspondence

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 1: Figures

NORTH
OLDC&D
SOUTH
ACTIVE
C&D
OFFICE
PROJECT:
TITLE:
Orange Co Landfill.dwgFILE:
PROJ. NO.:
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CHECKED BY:
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Version: 2017-10-21
ORANGE COUNTY SOLID WASTE MANAGEMENT
NORTH + SOUTH + ACTIVE C&D LANDFILLSCHAPEL HILL, NORTH CAROLINA
VICINITY TOPOGRAPHIC MAP
K STARK
S JARVAH
D COAKLEY
MAY 2024
558027
FIGURE 1A
650 Suffolk StreetSuite 200Lowell, MA 01854Phone: [phone]
1000 20000
SCALE IN FEET
REFERENCE: USGS 7.5 MINUTETOPOGRAPHIC MAP
CHAPEL HILL, NC 2019
NORTH
OLD
C&D
SOUTH
ACTIVE
C&D
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PROJECT:
TITLE:
Orange Co Landfill.dwgFILE:
PROJ. NO.:
DATE:
DRAWN BY:
APPROVED BY:
CHECKED BY:
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Version: 2017-10-21
ORANGE COUNTY SOLID WASTE MANAGEMENT
NORTH + SOUTH + ACTIVE C&D LANDFILLSCHAPEL HILL, NORTH CAROLINA
VICINITY AERIAL PHOTOGRAPH
K STARK
S JARVAH
D COAKLEY
MAY 2024
558027
FIGURE 1B
650 Suffolk StreetSuite 200Lowell, MA 01854Phone: [phone]
1000 20000
SCALE IN FEET
AERIAL PROVIDED BY NCONE MAPMrSID, 2021
B
B'A'
A
485
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490505
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PROJ. NO.:
FILE NO.:
TITLE:
Version: 2017-10-21
ORANGE COUNTY LANDFILLGROUNDWATER MONITORING PROGRAM
CHAPEL HILL, NORTH CAROLINA
POTENTIOMETRIC MAP
MAY 2024
558027
R00592-POT MAP MAY 2024.dwg
K STARK
S JARVAH
D COAKLEY SHEET 1
MAY 2024
114 Edinburgh South Drive, Suite 200Cary, NC 27511Phone: [phone]www.trcsolutions.com
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DATE:
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CHECKED BY:
APPROVED BY:
PROJECT:
PROJ. NO.:
FILE NO.:
TITLE:
Version: 2017-10-21
ORANGE COUNTY LANDFILLGROUNDWATER MONITORING PROGRAM
CHAPEL HILL, NORTH CAROLINA
POTENTIOMETRIC MAP
MAY 2023
558027
R00592-SITE MAP.dwg
K STARK
S JARVAH
D COAKLEY SHEET 1
MAY 2024
114 Edinburgh South Drive, Suite 200Cary, NC 27511Phone: [phone]www.trcsolutions.com

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 2: Monitoring Well Network

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 2Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 2 GROUNDWATER MONITORING NETWORK: C&D FACILITY The well monitoring network associated with the active C&D landfill has been revised in accordance with the recently approved Comprehensive Landfill Facility Water Quality Monitoring
Plan (submitted September 2019) and consists of seven wells: Upgradient well:
• 6804-211R Downgradient wells:
• 6804-MW204S
• 6804-MW209
• 6804-MW210D
• 6801-MW04
• 6801-MW110D
• 6801-MW110S
Note: Well 6801-MW04 is hydrogeologically downgradient of the active C&D landfill and hydrogeologically upgradient of the North sanitary landfill and South sanitary landfill. Accordingly, well 6801-MW04 is designated as a downgradient well in the C&D network and is designated as a
background well in the North and South sanitary landfill networks. Note: Wells 6801-MW110S and 6801-MW110D are hydrogeologically downgradient of the active
C&D landfill and hydrogeologically upgradient of the North sanitary landfill and South sanitary landfill. Accordingly, wells 6801-MW110S and 6801-MW110D are designated as downgradient wells in the C&D network and are designated as background wells in the North and South sanitary landfill networks.
Note. In a letter dated May 23, 2012, NCDEQ approved a revised Groundwater Monitoring Plan submitted by the facility, removing monitoring wells 6801-MW110D and 6804-MW204D from the permitted monitoring network. NCDEQ also approved monitoring well 6804-MW211R as the new upgradient well and designated well 6801-MW04 as a downgradient well.

NORTH SOUTH ACTIVE
Well LANDFILL LANDFILL C&D LANDFILL
6801-MW04 X - UP X - UP X - DOWN
6801-MW06R X - UP
6801-MW07R X
6801-MW14A X
6801-MW14B X
6801-MW15 X
6801-MW16 X
6801-MW17 X
6801-MW20 X
6801-MW21D X
6801-MW21S X
6801-MW22 X
6801-MW23 X
6801-MW24 X
6801-MW101 X
6801-MW102S X
6801-MW104 X
6801-MW105 X
6801-MW106 X
6801-MW107 X
6801-MW111 X
6801-MW110D X - UP X - UP
6801-MW110S X - UP X - UP X - DOWN
6804-MW204S X
6804-MW209 X
6804-MW210D X
6804-MW211R X - UP
6801-SW1 X
6801-SW2 X
leachate X
UP - upgradient well location
DOWN - downgradient well location
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: NORTH - SOUTH - C&D
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
MONITORING WELL NETWORK SUMMARY
total depth depth measured elevation elevation
drilling diameter depth to top to top well ground measuring point
well type of date drilling method borehole borehole sand bentonite depth*stickup surface (top of PVC wellpipe)
designation well completed contractor
MW-201 2MW10 07/14/99 B&C 3.25" HSA 806738.265 1973582.765 7.3 17 7 5 19.64 2.64 529.12 531.76
MW-201R 2MW20 03/24/09 RSD 6" AR 806742.35 1973579.11 6.0 45 18 15 42.00 2.00 529.05 531.05
MW-204S 2MW10 07/14/99 B&C 3.25" HSA 807934.258 1974171.705 7.3 21 9 6 23.01 2.01 515.78 517.79
MW-204D 2MW10 07/25/99 B&C 3.25" HSA 807930.545 1974167.211 7.3 50 16 14 52.64 2.64 516.99 519.63
MW-209 2MW10 07/24/99 B&C 3.25" HSA 807822.942 1974736.071 7.3 22 12 10 24.02 2.02 513.77 515.79
MW-210 2MW15 07/15/99 B&C 3.25" HSA 807857.410 1973848.881 7.3 21 4 2 23.80 2.80 522.48 525.28
MW-210D 2MW10 06/03/13 DDI 6" AR 807854.000 1973854.600 6.0 31.7 19 15 34.74 3.04 520.76 523.8
MW-211R 2MW10 04/28/05 G&C 4" air rotary 807277.338 1973737.408 4.0 40 20 17 43.25 3.25 536.36 539.61
MW-04 1.75MW10 10/31/80 SME 3.25" HSA 807250.43 1974944.46 6.0 53 39 38 53.00 2.33 547.66 549.99
MW-110S 2MW15 03/21/95 BED 6" AR 807019.111 1974956.860 6.0 40 18 16 42.33 2.33 537.91 540.24
MW-110D 2MW15 03/21/95 BED 6" AR 807026.571 1974966.137 6.0 70 55 53 72.30 2.30 537.88 540.18
stick-up = elevation of measuring point - elevation of ground surface
* relative to measuring point
B&C = Bore & Core, Inc. = well abandoned
DDI = Davidson Drilling, Inc.
G&C = Graham & Currie
BED = Bedford Well Drilling, Inc.
RSD = Richard Simmons Drilling, Inc.
SME = S&ME, Inc.

ACTIVE C&D LANDFILL WELLS
NORTH LANDFILL WELLS
SOUTH LANDFILL WELLS

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 3: Groundwater Elevation Data

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 3 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 3 GROUNDWATER ELEVATION DATA
Static water elevations obtained during the sampling event indicate that well 6804-MW211R
remains hydrogeologically upgradient of all disposal areas within the C&D facility. The elevation of the water table in the uppermost aquifer (that is, excluding “deep” wells where
clustered wells are present) during the subject sampling event was found to vary from a high of
524.39 feet above mean sea level (monitoring well 6804-MW211 R) to a low of 512.50 feet above mean sea level (monitoring well 6804-MW209). A history of static water elevations is presented at
the end of this ATTACHMENT. A comparison of static water elevations obtained during the referenced sampling event with those obtained during prior sampling events reveals no hydrogeologically significant changes in
directions of groundwater flow.
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
STATIC WATER LEVELS
Date:5.7.24 + 5.8.24 + 5.9.24
WELL ELEVmp DTW STICKUP DTWc ELEVgs ELEVgw
6801-MW04 549.99 30.65 2.33 28.32 547.66 519.34
6801-MW110 S 540.24 22.05 2.33 19.72 537.91 518.19
6801-MW110 D 540.18 29.35 2.30 27.05 537.88 510.83
6804-MW204 S 517.99 4.95 2.01 2.94 515.78 513.04
6804-MW204 D 517.75 2.64 516.69
6804-MW209 515.95 3.45 2.02 1.43 513.77 512.50
6804-MW210 D 523.80 7.16 3.04 4.12 520.76 516.64
6804-MW211 R 539.49 15.10 3.25 11.85 536.24 524.39
Water table elevations expressed in feet above mean sea level.
Shaded cells indicate data not available
Upgradient Well
500
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Orange County Solid Waste Management - Active CDD Unit
Historic and Current Water Table Elevations
MW-04 MW-110D MW-110S MW-204S MW-209 MW-210D MW-211R
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF STATIC WATER ELEVATIONS
DATE MW-04 MW-05 MW-110S MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R
ELEVgs 547.66 522.04 537.91 537.88 529.05 515.78 516.69 513.77 522.48 520.76 536.24
ELEVmp 549.99 523.79 540.24 540.18 531.05 517.99 517.75 515.95 525.17 523.80 539.49
01/03/90 521.61 511.79
04/16/90 523.57 511.66
07/17/90 521.28 506.25
10/29/90 516.65 506.29
01/30/91 518.32 510.41
07/11/91 518.74 506.29
11/14/91 515.07 505.37
05/28/92 516.82 507.62
10/27/92 514.24 505.71
02/23/93 516.82 512.29
06/30/93 520.07 506.37
10/28/93 516.67
01/24/94 516.76 509.97
09/21/94
11/03/94 516.84
12/20/94 516.14 505.78
02/02/95 516.39 505.87
03/13/95 518.02 511.67
03/22/95 512.47 511.13
05/09/95 515.55 509.51
05/18/95 515.39 509.55
07/20/95 516.99 511.08
11/15/95 518.59 509.87
11/28/95 517.31 511.56
02/28/96 520.92 513.65
07/25/96 521.56 505.90
08/07/96 516.69 510.25
08/27/96 515.82 509.34
02/25/97 521.62 511.38 521.55 509.63
09/03/97 519.74 505.84 515.04 507.83
03/25/98 522.77 515.28
05/04/98 524.30 509.76
11/02/98 518.27 504.69 512.93 506.83
04/26/99 519.63 507.19 517.68 511.18
11/22/99 520.70 509.25 517.79 511.26
05/23/00 522.28 509.95 520.63 512.90
11/29/00 518.42 508.48 515.74 508.97
05/30/01 518.04 510.93
06/05/01 519.57 510.52
11/13/01 515.86 506.39 512.84 506.48
06/04/02 515.89 507.87 513.69 507.23
03/13/03 518.74 513.07 519.74 513.23
06/19/03 521.57 514.49 522.04 514.55
12/08/03 519.49 514.04 517.09 510.37
06/22/04 519.56 508.38 517.35 501.48
11/30/04 518.09 512.51 517.64 510.40
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF STATIC WATER ELEVATIONS
DATE MW-04 MW-05 MW-110S MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R
ELEVgs 547.66 522.04 537.91 537.88 529.05 515.78 516.69 513.77 522.48 520.76 536.24
ELEVmp 549.99 523.79 540.24 540.18 531.05 517.99 517.75 515.95 525.17 523.80 539.49
06/01/05 518.43 509.88
06/06/05 518.52 510.78
11/02/05 515.43 507.17 512.62 505.66
11/09/05 504.69 509.12 510.91 510.74
05/23/06 516.59 515.04 507.89 509.22 512.46 512.57 515.74
11/17/06 515.12 513.38 512.63 507.07 507.42 513.33 513.20 512.75
06/14/07 517.85 509.06 516.41 508.56 508.27 512.16 512.90 515.81
12/12/07 512.44 512.02 510.13 503.69 504.54 507.64 510.43 508.23
06/11/08 515.55 510.20 514.63 507.73 507.78 511.80 511.89 514.95
11/06/08 514.54 509.48 513.28 506.27 506.59 510.77 512.62 512.80
05/20/09 517.14 512.14 516.76 509.70 510.93 513.84 513.00 516.86
11/19/09 514.85 511.55 513.57 507.46 508.93 507.04 512.17 513.29 510.99
06/24/10 518.72 510.98 516.37 509.58 512.12 509.49 512.65 513.03 515.54
11/17/10 515.04 509.85 513.04 505.93 504.73 505.19 509.83 512.68 509.89
05/24/11 516.54 511.91 515.29 508.66 510.38 509.90 513.34 512.98 515.92
11/17/11 513.17 511.10 504.68 504.84 509.56 512.80 510.10
06/05/12 516.81 515.52 509.06 509.94 513.56 513.09 516.51 520.67
11/12/12 515.97 513.66 506.66 507.72 512.90 514.01 518.50
05/13/13 517.75 517.04 510.85 513.24 513.41 518.53 522.04
11/11/13 518.54 516.72 509.15 511.36 513.24 516.82 519.88
05/13/14 521.11 521.52 512.58 515.42 513.41 519.58 526.40
11/11/14 516.49 514.27 506.98 506.32 512.93 513.05 517.30
05/12/15 520.04 519.42 511.92 513.61 512.70 518.10 524.17
11/10/15 517.67 517.28 510.27 508.26 513.30 514.97 521.81
05/18/16 521.95 521.29 513.89 513.98 512.91 518.85 525.35
11/15/16 519.09 517.10 509.15 508.44 512.54 515.25 519.99
05/30/17 518.69 518.00 510.94 511.19 512.65 516.52 519.52
11/14/17 515.54 512.54 505.01 504.64 512.00 510.56 514.93
05/14/18 517.84 516.32 509.58 509.64 512.25 514.82 519.07
11/12/18 518.94 519.36 512.33 512.05 513.13 516.56 522.71
05/20/19 523.13 521.34 513.43 512.74 512.41 518.40 526.37
11/19/19 517.03 513.58 506.73 505.39 512.87 511.30 516.55
05/19/20 519.55 518.56 511.74 511.45 512.75 516.55 521.09
11/17/20 518.84 517.79 511.38 510.57 512.68 516.08 520.66
05/17/21 521.89 519.89 511.93 512.69 512.28 517.65 524.56
11/23/21 517.73 514.80 507.38 507.59 512.25 513.70 517.74
05/23/22 518.76 517.04 509.73 511.39 512.45 516.20 520.54
11/08/22 515.77 512.54 505.36 506.24 511.80 511.40 515.47
05/03/23 519.27 519.04 516.18 515.24 512.60 516.62 523.49
11/20/23 515.89 512.74 505.23 506.31 511.95 511.39 516.54
05/08/24 519.34 518.19 510.83 513.04 512.50 516.64 524.39
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF STATIC WATER ELEVATIONS
DATE MW-04 MW-05 MW-110S MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R
ELEVgs 547.66 522.04 537.91 537.88 529.05 515.78 516.69 513.77 522.48 520.76 536.24
ELEVmp 549.99 523.79 540.24 540.18 531.05 517.99 517.75 515.95 525.17 523.80 539.49
DATE MW-04 MW-05 MW-110S MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R
512.44 504.69 510.13 501.48 504.73 504.54 507.64 510.43 508.23 510.56 514.93
524.30 514.49 522.77 516.18 512.12 515.42 513.84 513.41 518.53 519.58 526.40
518.18 509.85 516.72 509.58 509.66 509.36 512.17 512.69 514.48 516.36 520.66
11.86 9.80 12.64 14.70 7.39 10.88 6.20 2.98 10.30 9.02 11.47
2.44 2.64 2.92 2.90 2.73 3.11 1.84 0.62 2.90 2.54 3.27

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 4: Groundwater Velocity Calculations
[Based On Data Presented in Attachment 3]

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 4 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 4 GROUNDWATER VELOCITY CALCULATIONS
The rate of at which constituents are transported in groundwater may be conservatively estimated by the velocity of groundwater flow. We shall distinguish between the apparent Darcy groundwater flow velocity (Vd) and seepage velocity (Vs), which are given by the equations: Vd = ki and Vs = kin-1, where:
Vd = Darcy velocity Vs = seepage velocity
k = hydraulic conductivity i = hydraulic gradient n = porosity

On June 3, 2013, TRC personnel conducted a falling head slug test on well MW-210D to determine the hydraulic conductivity of the aquifer at that location.
Data were captured using a Solinst LevelLogger. Data were analyzed using the Bouwer-Rice method, with Aquifer Test Pro software. The hydraulic conductivity of the aquifer at that location was found to be 8.32 x 10-5 cm/second. Based upon textural assessment, effective porosity of the uppermost aquifer is estimated to be approximately 0.25 (unitless). Using groundwater elevations measured during the subject sampling event, the hydraulic gradient of the uppermost aquifer was calculated along the flow path from well 6804-MW211R to well 6804-
MW209. The average hydraulic gradient was estimated by dividing the difference between the hydraulic heads (elevation heads) in well 6804-MW211R to well 6804-MW209 by the distance between those two wells (about 1,137 feet). Based on groundwater elevations measured during the subject sampling event, the velocity of
groundwater was calculated along the flow path from well 6804-MW211R to well 6804-MW209. Calculated velocities are presented in the accompanying table. The velocity calculated for the subject sampling event (3.60 feet/year) is approximately 49% greater than the median velocity
(2.42 feet/year) along the selected flow path. Based on a review of the historical record of groundwater velocity (see graph) since 2012, groundwater velocity has generally oscillated about the median velocity along the selected flow path.

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 4 OCSWM Active C&D Facility, Permit No. 68-04
We note that the calculated groundwater velocity along a given flow path represents an average velocity along one of many potential flow paths, in the uppermost aquifer underlying the area of
interest. Nonetheless, the velocity estimate is believed to be reasonably representative of that area.
from …… toward feet/feet meters/yr feet/yr
date location SWE location SWE gradient GW velocity GW velocity
06/05/12 6804-MW211R 520.67 6804-MW209 513.09 6.67E-03 0.700 2.30
11/12/12 6804-MW211R 518.50 6804-MW209 512.90 4.93E-03 0.517 1.70
05/13/13 6804-MW211R 522.04 6804-MW209 513.41 7.59E-03 0.797 2.62
11/11/13 6804-MW211R 519.88 6804-MW209 513.24 5.84E-03 0.613 2.01
05/13/14 6804-MW211R 526.40 6804-MW209 513.41 1.14E-02 1.20 3.94
11/12/14 6804-MW211R 517.30 6804-MW209 512.93 3.84E-03 0.404 1.32
05/13/15 6804-MW211R 524.17 6804-MW209 512.70 1.01E-02 1.06 3.48
11/10/15 6804-MW211R 521.81 6804-MW209 513.30 7.48E-03 0.786 2.58
05/18/16 6804-MW211R 525.35 6804-MW209 512.91 1.09E-02 1.15 3.77
11/15/16 6804-MW211R 519.99 6804-MW209 512.54 6.55E-03 0.688 2.26
05/30/17 6804-MW211R 519.52 6804-MW209 512.65 6.04E-03 0.635 2.08
11/14/17 6804-MW211R 514.93 6804-MW209 512.00 2.58E-03 0.271 0.888
05/15/18 6804-MW211R 519.07 6804-MW209 512.25 6.00E-03 0.630 2.07
11/12/18 6804-MW211R 522.71 6804-MW209 513.13 8.43E-03 0.885 2.90
05/20/19 6804-MW211R 526.37 6804-MW209 512.41 1.23E-02 1.29 4.23
11/19/19 6804-MW211R 516.55 6804-MW209 512.87 3.24E-03 0.340 1.12
05/19/20 6804-MW211R 521.09 6804-MW209 512.75 7.34E-03 0.770 2.53
11/17/20 6804-MW211R 520.66 6804-MW209 512.68 7.02E-03 0.737 2.42
05/17/21 6804-MW211R 524.56 6804-MW209 512.28 1.08E-02 1.13 3.72
11/23/21 6804-MW211R 517.74 6804-MW209 512.25 4.83E-03 0.507 1.66
05/23/22 6804-MW211R 520.54 6804-MW209 512.45 7.12E-03 0.747 2.45
11/08/22 6804-MW211R 515.47 6804-MW209 511.80 3.23E-03 0.339 1.11
05/03/23 6804-MW211R 523.49 6804-MW209 512.60 9.58E-03 1.006 3.30
11/20/23 6804-MW211R 516.54 6804-MW209 511.95 4.04E-03 0.424 1.39
05/08/24 6804-MW211R 524.39 6804-MW209 512.50 1.05E-02 1.098 3.60
distance between wells =
hydraulic conductivity = 8.32E-07 m/sec median = 0.74 2.42
estimated porosity = 0.25 deviation from median =
seconds per year =31,557,600
feet per meter =3.281
49.0%
11/14/17, 0.888
05/20/19, 4.23
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
fe
e
t
 / ye
a
r
date measured
GROUNDWATER VELOCITY:  MW211R TOWARD MW209
median

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 5: Summary of Organic Constituents

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 5 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 5 ORGANIC CONSTITUENTS
On May 7, through May 9, 2024 (sampling event 38), TRC personnel obtained groundwater samples from groundwater monitoring wells associated with the Orange County Solid Waste Management Active C&D Facility.
We have received copies of the certificates-of-analysis (final received dated June 21, 2024). During sampling event 38, the laboratory did not detect any organic constituents in groundwater at the active C&D landfill.
Future Actions. Based upon the results of the subject sampling event, the facility may continue monitoring groundwater in accordance with the current program.
acetone 04/17/90MCL = 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 6000 (2L Std)06/30/93
2L Std = 700 (pre- Jan. 2010)11/04/942L Std = 6000 (Jan. 2010)12/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 412 J 1.2 100 ic, cc
11/06/08 <1.2 106 S <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100 t, f
05/20/09 <1.5 61 J <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10011/19/09 <1.5 300 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10006/23/10 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/17/10 <1.5 16 J <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 3.2 J 1.5 100
05/24/11 <1.2 120 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 10011/17/11 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
06/05/12 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
11/14/12 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 10005/13/13 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 10011/12/13 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
05/13/14 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
11/11/14 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 10005/13/15 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
11/10/15 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
05/18/16 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 100
11/15/16 <10 <10 <10 <10 <10 <10 10 10005/30/17 <10 <10 <10 <10 <10 <10 10 100
11/14/17 <10 <10 <10 <10 <10 <10 10 100
05/14/18 <10 <10 <10 <10 <10 <10 10 10011/14/18 <10 <10 <10 <10 <10 <10 10 20
05/20/19 <10 <10 <10 <10 <10 <10 10 20
11/20/19 <10 <10 <10 <10 <10 <10 10 20
05/19/20 <10 <10 <10 <10 <10 <10 10 2011/17/20 <10 <10 <10 <10 <10 <10 10 20
05/18/21 <10 <10 <10 <10 <10 <10 10 20
11/23/21 <10 <10 <10 <10 <10 <10 10 2005/23/22 <10 <10 <10 <10 <10 <10 10 2011/08/22 <10 <10 <10 <10 <10 <10 10 20
05/02/23 <10 <10 <10 <10 <10 <10 10 20
11/20/23 <25.0 <25.0 <25.0 <25.0 <25.0 <25.0 2505/08/24 <25.0 <25.0 <25.0 <25.0 <25.0 <25.0 25
MW-210
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
MW-201R
ORGANIC CONSTITUENTS
Constituent Sample Date MW-4 MW-209 MW-210D MDL MRL QA/QCMW-5 MW-110S MW-110D MW-211RMW-204S MW-204D
benzene 04/17/90
MCL = 5 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 1 (2L Std)06/30/93
11/04/9412/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 0.7 J 0.1 1.0 ic, cc
11/06/08 <0.1 0.8 J <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 1.0
05/20/09 <0.2 1.1 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.2 1.011/19/09 <0.2 1.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.2 1.006/23/10 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 <0.05 0.05 1.0
11/17/10 <0.2 1.6 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.2 1.0
05/24/11 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 0.68 1.011/17/11 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 <0.68 0.68 1.0
06/05/12 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/14/12 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.005/13/13 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/12/13 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/13/14 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/11/14 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.005/13/15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/10/15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/18/16 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/15/16 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.005/30/17 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/14/17 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/14/18 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/14/18 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/20/19 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/20/19 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/19/20 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/17/20 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/18/21 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/23/21 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.005/23/22 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/08/22 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/02/23 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
MW-210MW-110S MW-110D MW-209 MW-210D QA/QCMW-204S MDL MRLMW-201R MW-211R
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
ORGANIC CONSTITUENTS
Constituent Sample Date MW-4 MW-5
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITY
MW-204D
2-butanone 04/17/90MCL = 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 4000 (2L Std)06/30/93
2L Std = 4200 (pre- Jan. 2010)11/04/942L Std = 4000 (Jan. 2010)12/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 3.3 J 0.9 100 ic, cc
11/06/08 <0.9 1 J <0.9 <0.9 <0.9 <0.9 <0.9 <0.9 0.9 100
05/20/09 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 10011/19/09 <1 2.3 J <1 <1 <1 <1 <1 <1 <1 1 10006/23/10 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 100
11/17/10 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 100
05/24/11 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10011/17/11 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
06/05/12 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
11/14/12 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10005/13/13 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10011/12/13 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
05/13/14 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
11/11/14 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10005/13/15 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
11/10/15 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
05/18/16 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
11/15/16 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10005/30/17 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
11/14/17 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 100
05/14/18 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 10011/14/18 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
05/20/19 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
11/20/19 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
05/19/20 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.011/17/20 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
05/18/21 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
11/23/21 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.005/23/22 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.011/08/22 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
05/02/23 <1.3 <1.3 <1.3 <1.3 <1.3 <1.3 1.3 5.0
11/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5.005/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5.0
MW-210
FACILITY: ACTIVE C&D FACILITY
QA/QCMW-5 MW-204S MW-209MW-204DMW-201RMW-110S MW-110D
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
Constituent Sample Date MW-4
ORGANIC CONSTITUENTS
MW-211R MDL MRL
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
MW-210D
carbon disulfid 04/17/90MCL = 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 700 06/30/93
11/04/9412/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 6 J 0.5 100 ic, cc
11/06/08 <0.5 4.5 J <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.5 100
05/20/09 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 0.5 10011/19/09 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 0.54 10006/23/10 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 0.54 100
11/17/10 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 <0.54 0.54 100
05/24/11 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10011/17/11 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
06/05/12 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/14/12 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10005/13/13 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10011/12/13 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
05/13/14 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/11/14 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10005/13/15 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/10/15 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
05/18/16 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/15/16 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10005/30/17 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
11/14/17 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 100
05/14/18 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 10011/14/18 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
05/20/19 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
11/20/19 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
05/19/20 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.011/17/20 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
05/18/21 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
11/23/21 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.005/23/22 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.011/08/22 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
05/02/23 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 5.0
11/20/23 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 2.005/08/24 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 2.0
MW-210
HISTORY OF CHEMICAL ANALYSIS
ORGANIC CONSTITUENTS
MW-209 MW-210DMW-201RConstituent Sample Date MW-4 MW-5
LOCATION: CHAPEL HILL, NORTH CAROLINA
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
MW-110D MW-204S MW-204D QA/QCMW-110S
FACILITY: ACTIVE C&D FACILITY
PROJECT: GROUNDWATER MONITORING PROGRAM
MW-211R MDL MRL
chloroform 04/17/90
MCL = 70 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 70 (2L Std)06/30/93
2L Std = 1.4 (pre- Jan. 2010)11/04/942L Std = 6 (Jan. 2010)12/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08
11/06/08
05/20/0911/19/0906/23/10
11/17/10
05/24/1111/17/11
06/05/12
11/14/1205/13/1311/12/13
05/13/14
11/11/1405/13/15
11/10/15
05/18/16
11/15/1605/30/17
11/14/17
05/14/1811/14/18 <0.18 <0.18 2.7 <0.18 <0.18 <0.18 0.18 1.0
05/20/19 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.0
11/20/19 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.0
05/19/20 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.011/17/20 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.0
05/18/21 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.0
01/23/21 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.005/23/22 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.011/08/22 <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 0.18 1.0
05/02/23 <0.18 0.21 J <0.18 <0.18 <0.18 <0.18 0.18 1.0
11/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 1.1 <1.0 <1.0 <1.0 1.0
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
MW-4 MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R MDL MRL QA/QCMW-5 MW-110S
ORGANIC CONSTITUENTS
Constituent Sample Date
1,4-dichlorobenzen 04/17/90
MCL = 75 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 6 (2L Std)06/30/93
2L Std = 1.4 (pre- Jan. 2010)11/04/942L Std = 6 (Jan. 2010)12/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 0.7 J 0.1 1.0 ic, cc
11/06/08 <0.1 0.6 J <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 1.0
05/20/09 <0.38 0.63 J <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 0.38 1.011/19/09 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 0.38 1.006/23/10 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 1.0
11/17/10 <0.38 1 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 <0.38 0.38 1.0
05/24/11 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 0.79 1.011/17/11 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 <0.79 0.79 1.0
06/05/12 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/14/12 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.005/13/13 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.011/12/13 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/13/14 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/11/14 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.005/13/15 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/10/15 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/18/16 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/15/16 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.005/30/17 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/14/17 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/14/18 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.011/14/18 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/20/19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/20/19 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/19/20 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.011/17/20 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/18/21 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/23/21 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.005/23/22 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.011/08/22 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
05/02/23 <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 0.19 1.0
11/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
MW-210 QA/QCMW-110D MW-204S MW-204D MW-209 MW-210DMW-201R
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
Constituent Sample Date MW-4 MW-5
ORGANIC CONSTITUENTS
FACILITY: ACTIVE C&D FACILITY
MW-110S
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
MW-211R MDL MRL
1,4-dioxan 04/17/90MCL =07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 3 (2L Std)06/30/93
11/04/9412/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08
11/06/08
05/20/0911/19/0906/23/10
11/17/10
05/24/1111/17/11
06/05/12
11/14/1205/13/1311/12/13
05/13/14
11/11/1405/13/15
11/10/15
05/18/16
11/15/1605/30/17
11/14/17
05/14/1811/14/18
05/20/19
11/20/19 1.0 J 0.80,4.0,8.0 2.0,10,20
05/19/20 <0.8 <0.8 <0.8 <0.8 0.8 2.011/17/20 <0.8 <0.8 <0.8 <0.8 0.8 2.0
05/18/21 <0.8 <0.8 <0.8 <0.8 0.8 2.0
11/23/21 <0.8 <0.8 <0.8 <0.8 0.8 2.005/23/22 <0.8 <0.8 <0.8 <0.8 0.8 2.011/08/22 <0.8 <0.8 <0.8 <0.8 0.8 2.0
05/02/23 <0.32 <0.32 <0.30 <0.30 <0.30 <0.30 0.32 0.50
11/20/23 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 2.0005/08/24 <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 2.00
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
ORGANIC CONSTITUENTS
Constituent Sample Date MW-4 MW-5 MW-110S MW-110D MW-201R MW-204S MW-204D MW-209 MW-210 MW-210D MW-211R MDL MRL QA/QC
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
cis-1,2-dichloroethen 04/17/90
MCL = 70 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 70 (2L Std)06/30/93
11/04/9412/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 1 J 0.1 5.0 ic, cc
11/06/08 <0.1 0.9 J <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 5.0
05/20/09 <0.36 0.67 J <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.36 5.011/19/09 <0.4 1 J <0.4 <0.4 <0.4 <0.4 <0.4 <0.4 <0.4 0.4 5.006/23/10 <0.075 <0.075 <0.075 <0.075 <0.075 <0.075 <0.075 <0.075 <0.075 0.075 5.0
11/17/10 <0.36 1.6 J <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.36 5.0
05/24/11 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 0.72 5.011/17/11 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 <0.72 0.72 5.0
06/05/12 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
11/14/12 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.005/13/13 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.011/12/13 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
05/13/14 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
11/11/14 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.005/13/15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
11/10/15 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
05/18/16 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
11/15/16 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.005/30/17 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
11/14/17 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.0
05/14/18 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 5.011/14/18 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/20/19 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/20/19 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/19/20 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/17/20 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/18/21 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
11/23/21 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.005/23/22 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.011/08/22 <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 0.15 1.0
05/02/23 <0.15 <0.15 0.15 J <0.15 <0.15 <0.15 0.15 1.0
11/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
MW-210
HISTORY OF CHEMICAL ANALYSIS
ORGANIC CONSTITUENTS
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
MW-201R MDL MRLMW-110S MW-110D MW-204SConstituent MW-204D MW-209 MW-210D QA/QCSample Date MW-4 MW-5
PROJECT: GROUNDWATER MONITORING PROGRAM
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
MW-211R
toluene 04/17/90
MCL = 1000 07/11/91FBAC = MDL (LOD)05/28/92
NCGQS = 600 (2L Std)06/30/93
2L Std = 1000 (pre- Jan. 2010)11/04/942L Std = 600 (Jan. 2010)12/20/94
02/02/95
03/13/95
11/15/9507/25/96
02/25/97
09/03/9705/04/98
11/02/98
04/26/99
11/22/9905/23/00
11/29/00
06/05/0111/13/0106/04/02
03/12/03
06/18/0312/08/03
06/22/04
11/30/04
06/01/0511/02/05
11/09/05
05/23/0611/17/06
06/13/07
12/12/07
06/09/0806/17/08 0.4 J 0.3 1.0 ic, cc
11/06/08 <0.3 0.4 J <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 0.3 1.0
05/20/09 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 <0.3 0.3 1.011/19/09 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 0.27 1.006/23/10 <0.053 <0.053 <0.053 <0.053 <0.053 <0.053 <0.053 <0.053 <0.053 0.053 1.0
11/17/10 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 <0.27 0.27 1.0
05/24/11 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 0.85 1.011/17/11 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 <0.85 0.85 1.0
06/05/12 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/14/12 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.005/13/13 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.011/12/13 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/13/14 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/11/14 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.005/13/15 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/10/15 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/18/16 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/15/16 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.005/30/17 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/14/17 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/14/18 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.011/14/18 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/20/19 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/20/19 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/19/20 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.011/17/20 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/18/21 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/23/21 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.005/23/22 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.011/08/22 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
05/02/23 <0.14 <0.14 <0.14 <0.14 <0.14 <0.14 0.14 1.0
11/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
MW-210DMW-210 QA/QC
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITY
MW-201RConstituent Sample Date MW-4 MW-5 MW-110S MW-110D MW-204S
HISTORY OF CHEMICAL ANALYSIS
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
MDL MRL
ORGANIC CONSTITUENTS
MW-204D MW-209 MW-211R
All results in µg/L Empty cells indicate data not available Upgradient well shaded yellow Blue bolded values indicate concentrations that exceeded the FBAC Red bolded values indicate concentrations that exceeded the NCGQS Green bolded cells indicate concentrations that were greater than the Method Detection Limit (>MDL) but <SWSL or <MDL, if no SWSL.
B - detect associated with blank contaminatio J - concentration is estimated i - found in instrument blan t - found in trip blank f - found in field blan ic - initial calibration beyond limits cc - continuing calibration beyond limit d - duplicates beyond limits ss - surrogate spikes beyond limit is - internal standard beyond limits sd - serial dilution beyond limit ms - matrix spike beyond limits
ics - interference check sample beyond limit lcs – laboratory control sample beyond limits q – reporting limit standard beyond limit msd - matrix spike duplicate beyond limits
FBAC – facility backgroun NCGQS - Groundwater Standard, as established by the NCDE
SWSL - solid waste section limit, as established by NCDE SPL - statistical prediction limit GWPS - ground water protection standard SWSL eliminated in 2019 and replaced with Method Reporting Limit
ORGANIC CONSTITUENTS
HISTORY OF CHEMICAL ANALYSIS
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 6: Summary of Inorganic Constituents

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 6 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 6 INORGANIC CONSTITUENTS
On May 7, through May 9, 2024 (sampling event 38), TRC personnel obtained groundwater samples from groundwater monitoring wells associated with the Orange County Solid Waste Management Active C&D Facility. Groundwater samples were hand delivered to Pace
Laboratories, Inc out of Cary, NC. Groundwater samples analyzed for metals were not filtered in the field since they were analyzed
for total metals. We have received all copies of the certificates-of-analysis (final received dated June 21, 2024). Information presented on the certificates may be summarized as follows: During event 38, the laboratory detected (>MDL) seven inorganic (metal) constituents: arsenic, barium, cobalt, copper, iron (C&D parameter), manganese (C&D parameter) and zinc. Of the seven inorganic constituents detected, the laboratory was able to quantify (>MRL) the concentrations of seven inorganic constituents: arsenic, barium, cobalt, copper, iron (C&D parameter), manganese (C&D parameter) and zinc.
Of the seven inorganic constituents that the laboratory was able to quantify (>MRL), the concentrations of one metal exceeded both the Groundwater Quality Standard (2L Standard)
and Facility Background Concentration (FBAC) and three metals exceeded their respective 2L Standard but were less than their respective current FBAC. Two metals (zinc and copper) exceeded their current FBAC but was less than the current 2L Standard.

 The reported concentration of manganese in upgradient well 6804-MW211R (4,340 µg/L) exceeded its Groundwater Quality Standard (50 µg/L) and its Facility Background Concentration (4,070 µg/L). Compliance wells MW-204S (220 µg/L), MW-209 (1,330 µg/L), and MW-210D (493 µg/L), exceeded the Groundwater Quality Standard (50 µg/L) but not the Facility Background Concentration (4,070 µg/L). As discussed below, an alternate source demonstration (ASD) was approved for manganese at the active C&D landfill in August 2011.
 The reported concentration of iron in upgradient well 6804-MW211R (609 µg/L exceeded the 2L (300 µg/L) but not it’s FBAC (1,470 µg/L). Compliance wells MW-209 (997 µg/L) also exceeded the 2L but not it’s FBAC. As discussed below, an alternate source
demonstration (ASD) was approved for iron at the active C&D landfill in August 2011.
 The reported concentration of cobalt in wells 6804-MW211R (21.6 µg/L) and MW-209 (5.0 µg/L), exceeded their Groundwater Quality Standard (1.0 µg/L) but were less than the
Facility Background Concentration (36.52 µg/L). As discussed below, an alternate source demonstration (ASD) was approved for cobalt at the active C&D landfill in September 2011.

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 6 OCSWM Active C&D Facility, Permit No. 68-04
• The reported concentration of arsenic in well 6801-MW110D (58.8 µg/L), exceeded its Groundwater Quality Standard (10 µg/L) but was less than its Facility Background
Concentration (447 µg/L).
• The reported concentration of zinc in well 6804-MW209 (32.2 µg/L), exceeded the Facility Background Concentration of 22.7 µg/L, but not the Groundwater Quality Standard (1,000 µg/L).

• The reported concentration of copper in well 6804-MW209 (7.1 µg/L), exceeded the
Facility Background Concentration of 2.499 µg/L, but not the Groundwater Quality Standard (1,000 µg/L). Alternate Source Demonstrations. As summarized below, OCSWM has prepared Alternate Source Demonstrations to address apparent exceedances of several metals at one or more of the
three landfills. Approved Alternate Source Demonstrations for the C&D landfill are summarized below:
 Arsenic. OCSWM submitted an Alternate Source Demonstration (dated September 2,
2011), showing that total arsenic observed in groundwater at the facility could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated September
26, 2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total arsenic may be attributed to the naturally occurring presence of arsenic in onsite soils.
 Cobalt. OCSWM submitted an Alternate Source Demonstration (dated September 2,
2011), showing that total cobalt observed in groundwater at the site could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated September 26,
2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total cobalt may be attributed to the naturally occurring presence of cobalt in onsite soils.

 Iron. OCSWM submitted an Alternate Source Demonstration (dated July 8, 2011), showing that total iron observed in groundwater at the site could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated August 25, 2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total iron may be attributed to the naturally occurring presence of iron in onsite soil and rock.
 Lead. OCSWM submitted an Alternate Source Demonstration (dated September 2,
2011), showing that total lead observed in groundwater at the site could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated September 26,
2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total lead may be attributed to the naturally occurring presence of cobalt in onsite soils.

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 6 OCSWM Active C&D Facility, Permit No. 68-04
 Manganese. OCSWM submitted an Alternate Source Demonstration (dated July 9,
2011), showing that total manganese observed in groundwater at the site could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated August 25,
2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total manganese may be attributed to the naturally occurring presence of manganese in
onsite soil and rock.
 Vanadium. OCSWM submitted an Alternate Source Demonstration (dated September 2, 2011), showing that total vanadium observed in groundwater at the site could have been derived from onsite soils. In a letter from NCDEQ to OCSWM (dated September 26, 2011), NCDEQ approved the Alternate Source Demonstration. In accordance with the approved Alternate Source Demonstration, the reported exceedances of total vanadium may be attributed to the naturally occurring presence of vanadium in
onsite soil and rock. Future Actions. Based upon the results of the subject sampling event, the facility may
continue monitoring groundwater in accordance with the current program.

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 6: Metals
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Orange County Solid Waste Mangement - Active CDD UnitHistoric and Current Concentrations of Arsenic in Groundwater
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Orange County Solid Waste Mangement - Active CDD Unit
Historic and Current Concentrations of Zinc in Groundwater
MW-209 NC 2L Limit 1,000 µg/L FBAC
antimony 04/17/90MCL = 6 07/11/91FBAC = MRL 05/28/92
NCGQS = 1 (GWPS)06/30/93GWPS = 1.4 (pre-Oct. 2010)11/04/94GWPS = 1 (Oct. 2010)12/20/9402/02/9503/13/9505/18/9507/20/95
11/15/9511/28/9502/28/9607/25/96
08/27/9602/25/9709/03/9703/25/98
05/04/9811/02/9804/26/9911/22/99
05/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/0406/01/0506/06/05
11/02/0511/09/0505/23/0611/17/06
06/13/0712/12/07 <1.2 <1.2 1.8 JB <1.2 <1.2 <1.2 1.4 JB 1.2 6.0 f,i06/09/08 <1.2 <1.2 1.6 JB 2.2 JB <1.2 <1.2 <1.2 <1.2 1.2 6.0 i11/06/08 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 <1.2 1.2 6.0
05/20/09 <0.68 <0.68 <0.68 <0.68 1.59 JB <0.68 0.77 JB <0.68 <0.68 0.68 6.0 i11/19/09 <0.073 <0.073 <0.073 0.106 J 0.319 J <0.073 <0.073 <0.073 <0.073 0.073 6.006/23/10 <0.22 0.352 J <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 0.22 6.011/17/10 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 0.22 6.0
05/24/11 <0.22 0.37 J <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 <0.22 0.22 6.011/17/11 <0.22 <0.22 <0.22 <0.22 <0.22 0.554 J <0.22 0.22 6.006/05/12 1 JB 1.18 JB 0.797 JB 0.561 JB 0.963 JB 0.262 JB <0.22 0.432 JB 0.22 6.0 i11/14/12 <0.22 0.34 J 0.373 J <0.22 <0.22 <0.22 0.22 6.0 i05/13/13 0.320 J 0.277 J 0.492 JB <0.22 <0.22 <0.22 0.22 6.0 i11/12/13 <0.220 <0.220 0.890 J <0.220 <0.220 <0.220 0.220 6.005/13/14 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 6.011/11/14 0.603 J 0.609 J 0.660 J <0.220 <0.220 <0.220 0.220 6.005/13/15 0.780 J 0.765 J 0.775 J <0.220 0.251 J <0.220 0.220 6.011/10/15 0.237 J <0.220 <0.220 <0.220 <0.220 <0.220 0.220 6.005/18/16 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 6.011/15/16 1.00 J 0.967 J 0.742 J <0.220 <0.220 <0.220 0.220 6.005/30/17 <0.370 <0.370 <0.370 <0.370 <0.370 <0.370 0.370 6.0
11/14/17 <0.370 <0.370 <0.370 <0.370 <0.370 <0.370 0.370 6.005/14/18 <1.85 <1.85 <1.85 <1.85 <1.85 <1.85 1.85 6.011/14/18 <1.85 <1.85 <1.85 <1.85 <1.85 <1.85 1.85 5.005/20/19 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.0
11/20/19 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.005/19/20 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.011/17/20 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.005/18/21 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.0
11/23/21 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.005/23/22 <0.740 <0.740 <0.740 <0.740 <0.740 <0.740 0.740 2.011/08/22 <0.52 <0.52 <0.52 <0.52 <0.52 <0.52 0.52 5.005/02/23 <9.0 <9.0 <9.0 <9.0 <9.0 <9.0 9 20
11/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
arsenic 04/17/90 <10 <10MCL = 10 07/11/91 <10 <10FBAC = 447 ppb 05/28/92 <10 <10
NCGQS = 10 (2L Std)06/30/93 <102L Std = 50 (pre- Jan. 2010)11/04/94 <102L Std = 10 (Jan. 2010)12/20/94 <1002/02/95 <10
(Concentrations in 03/13/95 <10 <10
MW-110D represent 05/18/95 <10 25 J
background conditions 07/20/95 <10 27 J
for South sanitary 11/15/95 <10 <10
landfill; FBAC for this 11/28/95 <10 17
well has been 02/28/96 <10 14
previously established 07/25/96 <10
as 447 ppb; see report 08/27/96 <10 20
for further discussion)02/25/97 <10 <10 <10 <10
09/03/97 <10 <10 12 B03/25/98 <10 1105/04/98 <10 <1011/02/98 <10 <10 <10
04/26/99 <10 <10 <1011/22/99 <10 <10 <1005/23/00 <10 20 J <10 10 J11/29/00 <10 <10 <1005/30/01 <10 3206/05/01 <10 2011/13/01 <10 <10 447 J06/04/02 <10 <10 342 J03/12/03 <10
06/18/03 <10 <10 31212/08/03 <10 <10 149 J06/22/04 <10 <10 <1011/30/04 <10 <10 <1006/01/05 <1006/06/05 <10 15711/02/05 <10 <10 <1011/09/05 <10 <10 <10 <1005/23/06 <10 <10 132 <10 <10 <10 <1011/17/06 <10 <10 152 <10 <10 <10 <1006/13/07 <5.5 <5.5 260 <5.5 <5.5 <5.5 <5.5 5.5 1012/12/07 <5.5 <5.5 48.7 <5.5 <5.5 <5.5 <5.5 5.5 1006/09/08 <5.5 <5.5 <5.5 42 B <5.5 <5.5 <5.5 <5.5 5.5 10 t, i11/06/08 <5.5 <5.5 <5.5 87.9 B <5.5 <5.5 <5.5 <5.5 5.5 10 f05/20/09 <2.8 20.1 <2.8 11.9 <2.8 4.1 J <2.8 <2.8 <2.8 2.8 1011/19/09 5.74 JB 33.3 <2.8 8.78 J <2.8 <2.8 <2.8 <2.8 <2.8 2.8 10 f06/23/10 3.14 JB 26 <2.8 13.1 4.66 J <2.8 <2.8 <2.8 2.96 JB 2.8 10 i11/17/10 <2.8 36.9 <2.8 15.9 3.55 JB <2.8 <2.8 <2.8 9.13 JB 2.8 10 i05/24/11 <2.8 21.<2.8 31.6 <2.8 <2.8 <2.8 <2.8 <2.8 2.8 1011/17/11 <2.8 13.4 B <2.8 <2.8 <2.8 4.64 JB 3.26 JB 2.8 10 i06/05/12 <2.8 <2.8 15.2 <2.8 <2.8 <2.8 <2.8 <2.8 2.8 1011/14/12 <2.8 3.42 JB 16 B <2.8 <2.8 <2.8 4.66 JB 2.8 10 i05/13/13 <5.4 <5.4 8.92 J <5.4 <5.4 <5.4 <5.4 5.4 1011/12/13 <5.40 <5.40 13.<5.40 <5.40 <5.40 <5.40 5.40 1005/13/14 <5.40 <5.40 12.<5.40 <5.40 <5.40 <5.40 5.40 10
11/11/14 <5.40 <5.40 <5.40 <5.40 <5.40 <5.40 <5.40 5.40 1005/13/15 <6.80 <6.80 11.<6.80 <6.80 <6.80 <6.80 6.80 1011/10/15 <6.80 <6.80 7.92 J <6.80 <6.80 <6.80 <6.80 6.80 1005/18/16 <6.80 <6.80 10.2 <6.80 <6.80 <6.80 <6.80 6.80 10
11/15/16 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 6.80 1005/30/17 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 <6.80 6.80 1011/14/17 <6.80 <6.80 9.02 J <6.80 <6.80 <6.80 <6.80 6.80 1005/14/18 <6.80 <6.80 10.1 <6.80 <6.80 <6.80 <6.80 6.80 10
11/14/18 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 1005/20/19 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 1011/20/19 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 1005/19/20 <7.60 <7.60 8.42 J <7.60 <7.60 <7.60 <7.60 7.60 10
11/17/20 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 1005/18/21 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 1011/23/21 <7.60 <7.60 9.87 J <7.60 <7.60 <7.60 <7.60 7.60 1005/23/22 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 <7.60 7.60 10
11/08/22 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 <6.4 6.4 2005/02/23 <6.4 <6.4 8.8 J <6.4 <6.4 <6.4 <6.4 6.4 2011/20/23 <10.0 <10.0 14.0 <10.0 <10.0 <10.0 <10.0 1005/08/24 <1.0 <10.0 58.<10.0 <10.0 <10.0 <10.0 10
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
barium 04/17/90 71 <50MCL = 2000 07/11/91 <100 482FBAC = 117.6 (SPL)05/28/92 <100 <100
NCGQS = 700 (2L Std)06/30/93 <5002L Std = 2000 (pre- Jan. 2010)11/04/94 <5002L Std = 700 (Jan. 2010)12/20/94 <50002/02/95 <50003/13/95 <500 <500
05/18/95 <500 <50007/20/95 <500 <50011/15/95 <500 <50011/28/95 <500 512
02/28/96 <500 <50007/25/96 <50008/27/96 <500 <50002/25/97 <500 <500 <500 <500
09/03/97 <500 <500 <50003/25/98 <500 <50005/04/98 <500 <50011/02/98 <500 <500 <500
04/26/99 <500 <500 <50011/22/99 <500 <500 <50005/23/00 <500 <500 <500 <50011/29/00 <500 <500 <50005/30/01 <500 <50006/05/01 <500 <500 <50011/13/01 <500 <500 <50006/04/02 <500 <500 <50003/12/03 <500 <50006/18/03 <500 <50012/08/03 <500 <50006/22/04 <500 <50011/30/04 <500 <500
06/01/05 <50006/06/05 <500 <50011/02/05 <500 <500 <50011/09/05 <500 <500 <500 <500
05/23/06 <500 <500 <500 <500 <500 <500 <50011/17/06 <500 <500 <500 <500 <500 <500 <50006/13/07 64.9 J 6.1 JB 53.8 J 22.9 JB 85.1 J 34.1 JB 60.2 J 1.1 100 t, 12/12/07 53.1 J 25.1 J 14.5 J 50.9 J 54.2 J 33.4 J 88 J 1.1 100 i
06/11/08 53.2 J 91.4 J 4.8 JB 11.4 JB 57.5 J 77.0 J 30.2 J 63.4 J 1.1 100 t, f, i11/06/08 53.7 JB 163 5.5 JB 22.3 JB 40.2 JB 66.4 J 29.5 JB 6.35 JB 1.1 100 t, f, i05/20/09 68.8 J 77.9 J <4.2 5.19 J 131 69.6 J 61 J 45.5 J 75.4 J 4.2 10011/19/09 57.6 J 71.5 J 3.2 J 3.96 J 65.6 J 65.9 J 51.3 J 44.9 J 46.4 J 1 100
06/23/10 107 49.5 J 5.93 J 4.01 J 50.2 J 44 J 55.9 J 55.2 J 77.8 J 1 10011/17/10 63.3 J 91.3 J 3.99 J 4.79 J 41.7 J 44 J 49.8 J 50.2 J 103 1 10005/24/11 77.5 J 67.3 J 3.88 J 9.97 J 50.2 J 44.8 J 60.5 J 52.5 J 45.8 J 1 10011/17/11 66.3 J 4.59 J 3.91 J 76.7 J 54.9 J 45.6 J 50.3 J 1 10006/05/12 88.1 J 3.29 J 4.51 J 73.8 J 62.6 J 50.6 J 48.3 J 43.3 J 1 10011/14/12 67.1 J 3.96 J 55.1 J 43.4 J 95.5 J 60.6 J 1 10005/13/13 64.1 J 4.16 J 36 J 45.2 J 139 42.9 J 1 10011/12/13 64.2 J 4.45 J 44.3 J 48.9 J 19.8 J 47.5 J 1.00 10005/13/14 66.8 J 4.30 J 52.7 J 39.6 J 18.7 J 51.3 J 1.00 10011/11/14 67.9 J 4.58 J 48.1 J 42.4 J 18.3 J 61.4 J 1.00 10005/13/15 79.3 J 4.95 J 35.0 J 42.6 J 17.3 J 62.1 J 1.00 10011/10/15 65.5 J 3.55 J 32.5 J 38.5 J 17.3 J 83.1 J 1.00 10005/18/16 76.2 J 4.33 J 46.0 J 38.3 J 16.4 J 57.2 J 1.00 100
11/15/16 73.0 J 4.83 J 37.6 J 32.8 J 16.5 J 71.6 J 1.00 10005/30/17 67.4 J 4.20 J 38.8 J 32.6 J 15.2 J 79.9 J 1.00 10011/14/17 72.3 J 5.55 J 40.1 J 31.9 J 15.4 J 68.1 J 1.00 10005/14/18 69.0 J 4.17 J 26.8 J 32.8 J 13.2 J 122 1.00 100
11/14/18 69.8 4.10 J 28.5 31.5 15.6 120 1.10 1005/20/19 78.8 6.34 J 32.0 28.6 15.7 99.9 1.10 1011/20/19 75.4 4.40 J 36.4 22.7 18.3 98.1 1.10 1005/19/20 77.3 3.72 J 24.3 24.5 12.2 109 1.10 10
11/17/20 68.8 4.23 J 28.1 19.1 11.8 173 1.10 1005/18/21 88.4 5.08 J 32.9 21.0 13.5 131 1.10 1011/23/21 76.3 5.15 J 26.1 16.8 13.2 120 1.10 1005/23/22 79.5 4.42 J 29.5 22.6 12.3 140 1.10 10
11/08/22 73 <4.4 35 25 11 120 4.4 1005/02/23 79 <4.4 53 23 11 150 4.4 1011/20/23 80.1 <5.0 29.0 19.1 11.7 112 505/08/24 85.8 <5.0 19.8 32.8 11.9 172 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
beryllium 04/17/90MCL = 4 07/11/91FBAC = 0.16 05/28/92
NCGQS = 4 (GWPS)06/30/9311/04/94 <212/20/94 <202/02/95 <203/13/95 <2 2.8
05/18/95 2 <207/20/95 <2 311/15/95 <2 2.611/28/95 <2 37
02/28/96 <2 2.607/25/96 <208/27/96 <2 <202/25/97 <2 <2 <2 <2
09/03/97 <2 <2 <203/25/98 <2 <205/04/98 <2 <211/02/98 <2 <2 <2
04/26/99 <2 <2 <211/22/99 <2 <2 <205/23/00 <2 <2 <2 <211/29/00 <2 <2 <205/30/01 <2 <206/05/01 <2 <2 <211/13/01 <2 <2 <206/04/02 <2 <2 <203/12/03 <2 <206/18/03 <2 <212/08/03 <2 <206/22/04 <2 <211/30/04 <2 <2
06/01/05 <206/06/05 <2 <211/02/05 <2 <2 <211/09/05
05/23/06 <2 <2 <211/17/0606/13/07 0.6 J <0.2 0.4 J <0.2 <0.2 <0.2 <0.2 0.2 1.012/12/07 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.4 JB 0.2 1.0 i06/11/08 <0.2 <0.2 <0.2 0.6 J 0.3 J 0.3 J <0.2 <0.2 0.2 1.011/06/08 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 0.2 1.005/20/09 0.08 J <0.08 <0.08 0.12 J 0.35 J 0.24 J <0.08 <0.08 <0.08 0.08 1.011/19/09 <0.1 <0.1 <0.1 <0.1 0.14 J 0.189 J <0.1 <0.1 <0.1 0.1 1.006/23/10 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.249 J 0.1 1.011/17/10 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.7 J 0.1 1.005/24/11 0.125 J 0.111 J <0.1 0.106 J <0.1 <0.1 <0.1 <0.1 <0.1 0.1 1.011/17/11 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.248 J 0.1 1.006/05/12 0.133 J <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1 0.1 1.011/14/12 <0.1 <0.1 <0.1 <0.1 0.138 J <0.1 0.1 1.005/13/13 <0.1 <0.1 <0.1 <0.1 0.462 J 0.137 J 0.1 1.011/12/13 <0.100 <0.100 <0.100 <0.100 <0.100 <0.100 0.100 1.005/13/14 <0.100 <0.100 <0.100 <0.100 <0.100 <0.100 0.100 1.011/11/14 <0.100 <0.100 <0.100 <0.100 <0.100 0.119 J 0.100 1.005/13/15 <0.100 <0.100 <0.100 <0.100 <0.100 <0.100 0.100 1.011/10/15 <0.100 <0.100 <0.100 <0.100 <0.100 0.153 J 0.100 1.005/18/16 <0.100 <0.100 <0.100 <0.100 <0.100 <0.100 0.100 1.0
11/15/16 0.188 J <0.100 <0.100 <0.100 <0.100 <0.100 0.100 1.005/30/17 <0.130 <0.130 <0.130 <0.130 <0.130 <0.130 0.130 1.011/14/17 0.137 J <0.130 <0.130 <0.130 <0.130 0.182 J 0.130 1.005/14/18 <0.130 <0.130 <0.130 <0.130 <0.130 <0.130 0.130 1.0
11/14/18 <0.160 <0.160 <0.160 0.281 JB 0.301 JB 0.279 JB 0.160 1.0 i05/20/19 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.011/20/19 <0.160 <0.160 <0.160 <0.160 <0.160 0.212 J 0.160 1.005/19/20 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.0
11/17/20 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.005/18/21 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.011/23/21 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.005/23/22 <0.160 <0.160 <0.160 <0.160 <0.160 <0.160 0.160 1.0
11/08/22 <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 0.30 4.005/02/23 <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 0.30 4.011/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
cadmium 04/17/90 <2 <2MCL = 5 07/11/91 <2 <2FBAC = MRL 05/28/92 <2 <2
NCGQS = 2 (2L Std)06/30/93 2.72L Std = 1.75 (pre- Jan. 2010)11/04/94 <12L Std = 2 (Jan. 2010)12/20/94 <102/02/95 <103/13/95 <1 1.1 B
05/18/95 <1 1.7 B07/20/95 <1 6.1 J11/15/95 1.2 B 1.7 B11/28/95 4 J <1
02/28/96 <1 1.2 B07/25/96 <108/27/96 <1 <102/25/97 <1 <1 <1 <1
09/03/97 <1 <1 <103/25/98 <1 <105/04/98 <1 <111/02/98 <1 <1 <1
04/26/99 <1 <1 <111/22/99 <1 <1 <105/23/00 <1 <1 4J <111/29/00 <1 <1 1.2 B05/30/01 <1 206/05/01 <1 <1 <111/13/01 <1 <1 <1 <106/04/02 <1 <1 <103/12/03 <1 <106/18/03 1 B <112/08/03 <1 <106/22/04 <1 <111/30/04 <1 <1
06/01/05 <106/06/05 <1 <111/02/05 <1 <1 <111/09/05 <1 <1 <1 <1
05/23/06 <1 <1 <1 <1 <1 <1 <111/17/06 <1 <1 <1 <1 <1 <1 <106/13/07 0.6 JB <0.2 3.1 <0.2 <0.2 0.7 JB 0.6 JB 0.2 1.0 t, f12/12/07 <0.2 <0.2 <0.2 <0.2 <0.2 0.3 JB 0.5 JB 0.2 1.0 i06/11/08 <0.2 <0.2 0.4 JB 0.4 JB 0.6 J 0.3 J 0.4 J <0.2 0.2 1.0 i11/06/08 <0.2 <0.2 0.2 JB <0.2 <0.2 <0.2 0.6 JB 0.6 JB 0.2 1.0 t, f, i05/20/09 0.29 J 0.25 JB 0.23 J 0.15 J 0.43 JB 0.19 JB 0.11 JB 0.42 JB 0.27 JB 0.09 1.011/19/09 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.36 1.0
06/23/10 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 1.33 0.36 1.011/17/10 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.984 J 0.36 1.005/24/11 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.625 J 0.36 1.011/17/11 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.465 J 0.36 1.006/05/12 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.563 J <0.36 0.36 1.011/14/12 <0.36 0.43 J <0.36 <0.36 <0.36 <0.36 0.36 1.005/13/13 <0.36 <0.36 <0.36 <0.36 <0.36 <0.36 0.36 1.011/12/13 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.005/13/14 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.011/11/14 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.005/13/15 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.011/10/15 0.433 J <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.005/18/16 <0.360 <0.360 <0.360 0.721 J <0.360 <0.360 0.360 1.0
11/15/16 <0.360 <0.360 <0.360 0.519 J <0.360 <0.360 0.360 1.005/30/17 <0.360 <0.360 <0.360 0.567 J <0.360 <0.360 0.360 1.011/14/17 <0.360 <0.360 <0.360 0.608 J <0.360 <0.360 0.360 1.005/14/18 <0.360 <0.360 <0.360 0.659 J <0.360 <0.360 0.360 1.0
11/14/18 <0.360 <0.360 <0.360 0.788 JB <0.360 <0.360 0.360 1.0 i05/20/19 <0.360 <0.360 <0.360 0.507 J <0.360 <0.360 0.360 1.011/20/19 <0.360 <0.360 <0.360 0.790 JB <0.360 0.587 JB 0.360 1.0 i05/19/20 <0.360 <0.360 <0.360 0.478 J <0.360 <0.360 0.360 1.0
11/17/20 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.005/18/21 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.011/23/21 <0.360 <0.360 <0.360 <0.360 <0.360 <0.360 0.360 1.005/23/22 <0.360 <0.360 <0.360 0.393 J <0.360 <0.360 0.360 1.0
11/08/22 <0.44 <0.44 <0.44 <0.44 <0.44 <0.44 0.44 5.005/02/23 <0.44 <0.44 <0.44 0.52 J <0.44 <0.44 0.44 5.011/20/23 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.005/08/24 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.0
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
chromium 04/17/90 <20 <20MCL = 100 07/11/91 <20 <20FBAC = 3.17 05/28/92 <20 <20
NCGQS = 10 (2L Std)06/30/93 <202L Std = 50 (pre- Jan. 2010)11/04/94 <102L Std = 10 (Jan. 2010)12/20/94 <1002/02/95 <1003/13/95 <10 <10
05/18/95 16.5 B 10 B07/20/95 12 B 22 J11/15/95 <10 1211/28/95 <10 69
02/28/96 <10 <1007/25/96 <1008/27/96 <10 11 B02/25/97 <10 <10 <10 <10
09/03/97 <10 <10 <1003/25/98 <10 <1005/04/98 <10 <1011/02/98 <10 <10 <10
04/26/99 <10 <10 <1011/22/99 <10 <10 <1005/23/00 <10 <10 <10 <1011/29/00 <10 <10 <1005/30/01 <10 <1006/05/01 <10 <10 <1011/13/01 <10 <10 <1006/04/02 <10 <10 <1003/12/03 <10 <1006/18/03 <10 <1012/08/03 <10 <1006/22/04 <10 <1011/30/04 <10 <10
06/01/05 <1006/06/05 <10 <1011/02/05 <10 <10 <1011/09/05 <10 <10 <10 <10
05/23/06 <10 <10 <10 <10 <10 <10 <1011/17/06 <10 <10 <10 <10 <10 <10 <10 i06/13/07 5.9 JB 1.3 JB <0.7 1.8 JB 1.6 JB 2.2 JB 2.2 JB 0.7 1012/12/07 <0.7 <0.7 <0.7 1 JB <0.7 <0.7 1.9 JB 0.7 10 i
06/11/08 0.8 JB 0.7 JB 0.9 JB 2.1 JB 3.6 J 1.5 J 0.8 J 2.3 J 0.7 10 t, 11/06/08 <0.7 28.6 1.9 JB <0.7 2.8 J <0.7 6.7 J 16.8 0.7 10 t, f, i05/20/09 0.9 J 3.7 J <0.7 <0.7 <0.7 1.9 J <0.7 <0.7 3 J 0.7 1011/19/09 <1 <1 <1 <1 <1 1.36 J <1 <1 <1 1 10
06/23/10 4.74 J <1 <1 <1 <1 <1 <1 <1 1.04 J 1 1011/17/10 2.9 J <1 <1 <1 <1 <1 <1 <1 9.87 J 1 1005/24/11 1.99 J 6.1 J <1 1.14 J <1 <1 <1 1.21 J 1.8 J 1 1011/17/11 <1 <1 <1 2.18 J <1 1.19 J 4.45 J 1 1006/05/12 2.81 J <1 <1 1.6 J <1 <1 2.99 J <1 1 1011/14/12 <1 <1 <1 <1 1.84 J <1 1 1005/13/13 <1.4 <1.4 <1.4 <1.4 <1.4 <1.4 1.4 1011/12/13 <1.40 <1.40 <1.40 <1.40 <1.40 3.17 J 1.40 1005/14/14 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1011/11/14 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/13/15 <1.40 4.21 J 4.84 JB 8.23 JB 4.40 JB 5.52 JB 1.40 1011/10/15 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/18/16 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 10
11/15/16 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/30/17 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1011/14/17 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/14/18 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 10
11/14/18 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/20/19 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1011/20/19 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/19/20 <1.40 <1.40 <1.40 <1.40 <1.40 1.96 J 1.40 10
11/17/20 <1.40 <1.40 <1.40 <1.40 <1.40 2.13 J 1.40 1005/18/21 <1.40 <1.40 <1.40 <1.40 <1.40 3.27 J 1.40 1011/23/21 <1.40 <1.40 <1.40 <1.40 <1.40 16.2 1.40 1005/23/22 <1.40 <1.40 <1.40 <1.40 <1.40 2.42 J 1.40 10
11/08/22 1.5 J <1.1 <1.1 1.5 J <1.1 <1.1 1.1 1005/02/23 <0.0039 <0.0039 <0.0039 <0.0039 <0.0039 <0.0039 <0.0039 0.0039 0.03011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
cobalt 04/17/90MCL =07/11/91FBAC = 36.52 (SPL)05/28/92
NCGQS = 1 (GWPS)06/30/93
GWPS = 70 (pre-Oct. 2010)11/04/94 <4GWPS = 1 (Oct. 2010)12/20/94 <1002/02/95 <1003/13/95 <10 100
05/18/95 43 J 16 J07/20/95 23 1411/15/95 <10 91 J11/28/95 15 810
02/28/96 17 1407/25/96 <1008/27/96 10 2902/25/97 <10 140 <10 <10
09/03/97 <10 <10 <1003/25/98 <10 <1005/04/98 <10 13211/02/98 <10 <10 <10
04/26/99 <10 <10 <1011/22/99 <10 <10 <1005/23/00 <10 212 <10 <1011/29/00 <10 <10 <1005/30/01 <10 <1006/05/01 <10 27 <1011/13/01 <10 <10 <1006/04/02 <10 <10 <1003/12/03 <10 <10
06/18/03 <10 <1012/08/03 <10 <1006/22/04 <10 <1011/30/04 <10 <10
06/01/05 <1006/06/05 <10 <1011/02/05 <10 <10 <1011/09/05
05/23/06 <10 <10 <1011/17/0606/13/07 0.9 J <0.7 1.7 J 1.9 J <0.7 1.5 J 4.1 J 0.7 1012/12/07 <0.7 0.7 J <0.7 11.5 <0.7 2.3 J 2.8 J 0.7 10
06/11/08 <0.7 241 <0.7 1.7 J 9 J 0.8 J 2.1 J 11.2 0.7 1011/06/08 <0.7 23 2.3 J 1.6 J 4.6 J <0.7 2.3 J 7.2 J 0.7 1005/20/09 <0.6 17 <0.6 1.1 J 11.2 8.9 J <0.6 3.7 J 12.6 0.6 1011/19/09 <1.1 18 <1.1 <1.1 4.72 J 11.2 <1.1 4.77 J 4.6 J 1.1 10
06/23/10 3.37 J 13 <1.1 <1.1 <1.1 5.42 J <1.1 35 10.6 1.1 1011/17/10 <1.1 17 <1.1 <1.1 1.58 J 4.48 J <1.1 1 11.2 1.1 1005/24/11 <1.1 20 <1.1 <1.1 <1.1 2.86 J <1.1 13.4.22 J 1.1 1011/17/11 <1.1 <1.1 1.15 J 7.98 J <1.1 9.35 J 5.5 J 1.1 1006/05/12 1.61 J <1.1 <1.1 6.21 J <1.1 11 2.02 J 7.05 J 1.1 1011/14/12 <1.1 <1.1 6.18 J 11 2.61 J 9.72 J 1.1 1005/13/13 <1.1 <1.1 3.04 J 10.3.2 J 6.81 J 1.1 1011/12/13 <1.10 1.48 J 3.98 J 14.0 <1.10 7.09 J 1.10 1005/14/14 <1.10 1.25 J 10.8.89 J <1.10 6.74 J 1.10 10
11/11/14 <1.10 1.38 J 7.14 J 10.1 <1.10 8.92 J 1.10 1005/13/15 <1.10 2.15 J 5.77 J 8.10 J <1.10 7.31 J 1.10 1011/10/15 <1.10 <1.10 2.47 J 7.09 J <1.10 9.51 J 1.10 1005/18/16 <1.10 <1.10 5.99 J 5.76 J <1.10 4.91 J 1.10 10
11/15/16 <1.10 <1.10 3.46 J 6.25 J <1.10 6.98 J 1.10 1005/30/17 <1.10 <1.10 4.82 J 3.70 J <1.10 10.1 1.10 1011/14/17 <1.10 <1.10 3.26 J 5.71 J <1.10 8.90 J 1.10 1005/14/18 <1.10 <1.10 1.82 J 4.63 J <1.10 24.1.10 10
11/14/18 <1.40 <1.40 4.68 J 4.55 J <1.40 16.0 1.40 1005/20/19 <1.40 <1.40 7.63 J 4.54 J <1.40 22.1 1.40 1011/20/19 <1.40 <1.40 2.78 J 3.69 J <1.40 20.1.40 1005/19/20 <1.40 <1.40 2.07 J 4.33 J <1.40 23.0 1.40 10
11/17/20 <1.40 <1.40 <1.40 2.48 J <1.40 50.1.40 1005/18/21 <1.40 <1.40 3.98 J 2.91 J <1.40 28.1.40 1011/23/21 <1.40 <1.40 1.9 J 2.17 J <1.40 28.1.40 1005/23/22 <1.40 <1.40 2.49 J 3.61 J <1.40 36.1 1.40 10
11/08/22 <1.40 <1.40 2.5 J 3.3 J <1.40 2 1.40 1005/02/23 <1.40 <1.40 <1.40 2.2 J <1.40 31 1.40 1011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 24.2 505/08/24 <1.0 <5.0 <1.0 5.0 <1.0 21.1
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
copper 04/17/90 <20 <20MCL = 1300 07/11/91 <20 <20FBAC = 2.499 05/28/92 <20 35
NCGQS = 1,000 (2L Std)06/30/93 <2011/04/94 <20012/20/94 <20002/02/95 <20003/13/95 <200 <200
05/18/95 <200 <20007/20/95 <200 <20011/15/95 <200 21111/28/95 <200 483
02/28/96 <200 <20007/25/96 <20008/27/96 <200 <20002/25/97 <200 <200 <200 <200
09/03/97 <200 <200 <20003/25/98 <200 <20005/04/98 <200 <20011/02/98 <200 <200 <200
04/26/99 <200 <200 <20011/22/99 <200 <200 <20005/23/00 <200 <200 <200 <20011/29/00 <200 <200 <20005/30/01 <200 <20006/05/01 <200 <200 <20011/13/01 <200 <200 <20006/04/02 <200 <200 <20003/12/03 <200 <20006/18/03 <200 <20012/08/03 <200 <20006/22/04 <200 <20011/30/04 <200 <200
06/01/05 <20006/06/05 <200 <20011/02/05 <200 <200 <20011/09/05
05/23/06 <200 <200 <20011/17/0606/13/07 <2 <2 2.2 JB 4.4 JB 3.1 JB 4.4 JB 4.3 JB 2 10 t12/12/07 2.6 J 2.7 J <2 8.3 J <2 2.2 J 6.8 J 2 10
06/11/08 <2 14.8 B 2.2 JB <2 13.1 5.3 JB 7.4 JB <2 2 10 t, i11/06/08 <2 2.2 JB <2 <2 <2 <2 3.6 JB <2 2 10 t, i05/20/09 2.76 J 7.39 J <0.81 1.01 J 3.38 J 4.14 J <0.81 0.89 J <0.81 0.81 1011/19/09 2.03 J 13.6 <1.6 <1.6 4.93 J 4.54 J <1.6 3.51 J <1.6 1.6 10
06/23/10 26.5 3.8 J <1.6 <1.6 <1.6 2.04 J <1.6 3.4 J 3.5 J 1.6 1011/17/10 7.7 J 3.6 J <1.6 3.01 J <1.6 1.93 J <1.6 4.14 J 17.3 1.6 1005/24/11 8.77 J 4.72 J 3.17 J 3.17 J <1.6 <1.6 <1.6 10.4 <1.6 1.6 1011/17/11 2.92 J <1.6 <1.6 5.6 J <1.6 2.62 J 4.57 J 1.6 1006/05/12 10.6 J 1.78 J 1.65 J 5.43 J <1.6 10.6 <1.6 2.48 J 1.6 10 ms/msd11/14/12 <1.6 <1.6 <1.6 5.53 J <1.6 <1.6 1.6 1005/13/13 <1.6 <1.6 <1.6 2.16 J <1.6 <1.6 1.6 1011/12/13 <1.60 <1.60 <1.60 2.95 J <1.60 <1.60 1.60 1005/14/14 <1.60 <1.60 1.63 J 12.3 <1.60 3.52 J 1.60 1011/11/14 <1.60 4.98 J <1.60 13.3 <1.60 <1.60 1.60 1005/13/15 <1.60 <1.60 <1.60 10.5 <1.60 2.50 J 1.60 1011/10/15 <1.60 <1.60 <1.60 7.35 J <1.60 <1.60 1.60 1005/18/16 <1.60 <1.60 <1.60 8.52 J <1.60 1.93 J 1.60 10
11/15/16 <1.60 4.25 J <1.60 14.8 <1.60 2.54 J 1.60 1005/30/17 <1.60 <1.60 <1.60 4.97 J <1.60 <1.60 1.60 1011/14/17 2.86 J <1.60 <1.60 5.18 J <1.60 1.63 J 1.60 1005/14/18 <1.60 <1.60 <1.60 13.0 <1.60 1.78 J 1.60 10
11/14/18 <1.60 <1.60 <1.60 12.1 <1.60 <1.60 1.60 1005/20/19 <1.60 <1.60 <1.60 14.5 <1.60 <1.60 1.60 1011/20/19 <1.60 <1.60 <1.60 3.10 J <1.60 <1.60 1.60 1005/19/20 <1.60 <1.60 <1.60 5.55 J <1.60 <1.60 1.60 10
11/17/20 <1.60 <1.60 <1.60 1.88 J <1.60 1.92 J 1.60 1005/18/21 <1.60 <1.60 <1.60 1.86 J <1.60 <1.60 1.60 1011/23/21 <1.60 <1.60 <1.60 <1.60 <1.60 <1.60 1.60 1005/23/22 <1.60 <1.60 <1.60 5.27 J <1.60 <1.60 1.60 10
11/08/22 <3.2 <3.2 <3.2 17 J <3.2 <3.2 3.2 2005/02/23 <3.2 <3.2 <3.2 8.9 J <3.2 <3.2 3.2 2011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 7.1 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
iron 04/17/90MCL =07/11/91FBAC = 1,470 05/28/92
NCGQS = 300 (2L Std)06/30/93
11/04/9412/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/07 156000 95.7 JB 59 JB 357 913 1290 3100 21.5 300 t, f12/12/07 284 J 74 JB 12500 2180 857 139 B 3240 21.5 300 t06/11/08 428 24900 <21.5 9510 2040 5650 398 7010 21.5 30011/06/08 196 JB 3800 115 JB 2440 859 2700 287 JB 4050 21.5 300 f05/20/09 1150 3640 216 J 2180 59 J 3160 391 223 J 3820 31 30011/19/09 664 12500 218 J 2440 285 J 3530 320 336 2010 22 30006/23/10 10900 8500 550 1780 879 988 293 J 603 8430 22 30011/17/10 3380 50500 256 J 3330 4750 1250 380 727 24600 22 30005/24/11 3040 23900 171 J 8710 2490 585 457 1580 1980 22 30011/17/11 1110 2110 36 3600 40 69 7730 22 30006/05/12 5080 103 J 2610 3990 480 1270 91 97 22 30011/14/12 46 163 J 80 55 3410 462 22 30005/13/13 38 152 J 182 J 400 4800 45 22 30011/12/13 <22.0 89.5 J 55 70 32 332 22.0 30005/14/14 91.9 J 175 J 1990 1530 168 J 295 J 22.0 300
11/11/14 48.3 J 258 J 49 1510 30 663 22.0 30005/13/15 83.1 J 118 J 540 1210 119 J 296 J 22.0 30011/10/15 151 J 356 197 J 1040 170 J 40 22.0 30005/18/16 <22.0 90.7 61 1000 93.6 192 22.0 300
11/15/16 <22.0 225 J 34 1440 119 J 36 22.0 30005/30/17 32.4 J 80.7 J 263 J 257 J 140 J 56 22.0 30011/14/17 105 J 141 J 229 J 38 142 J 900 22.0 30005/14/18 101 J 64.4 J 182 J 1410 58.2 J 2270 22.0 300
11/14/18 147 114 341 1550 153 63 22.0 5005/20/19 <22.0 123 700 1570 78.9 2030 22.0 5011/20/19 76.2 169 266 293 298 1850 22.0 5005/19/20 187 55.0 140 145 62.8 1830 22.0 50
11/17/20 92.7 119 327 127 71.4 1930 22.0 5005/18/21 261 82.3 106 210 45.4 J 1510 22.0 5011/23/21 88.0 103 216 115 61.8 2130 22.0 5005/23/22 50.8 103 227 169 38 1610 22.0 50
11/08/22 73 J 140 1400 43 J 1100 20 10005/02/23 96 J 69 J 240 77 J 57 J 1300 20 10011/20/23 106 139 193 233 53.7 2150 5005/08/24 180 123 65.2 997 70.2 60 50
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
lead 04/17/90 <5 <5MCL = 15 07/11/91 7.3 <5FBAC = MRL 05/28/92 <10 18.3
NCGQS = 15 (2L Std)06/30/93 <511/04/94 <1012/20/94 <1002/02/95 <1003/13/95 <10 40
05/18/95 17.3 B 31.1 B07/20/95 <10 3711/15/95 <10 54 J11/28/95 <10 163 J
02/28/96 21 B 18 B07/25/96 <1008/27/96 <10 1302/25/97 <10 16 B <10 <10
09/03/97 <10 <10 14 B03/25/98 <10 <1005/04/98 <10 3711/02/98 <10 <10 <10
04/26/99 <10 <10 <1011/22/99 <10 <10 <1005/23/00 <10 <10 <10 <1011/29/00 <10 <10 <1005/30/01 <10 4006/05/01 <10 <1011/13/01 <10 <10 3106/04/02 <10 <10 203/12/03 <10 <10
06/18/03 <10 <1012/08/03 <10 <1006/22/04 <10 <1011/30/04 <10 <10
06/01/05 <1006/06/05 <10 1611/02/05 <10 <10 <1011/09/05 <10 <10 <10 <10
05/23/06 <10 <10 12 <10 <10 <10 <1011/17/06 <10 <10 <10 <10 <10 <10 <1006/13/07 6.6 JB <2 22.1 <2 4.4 JB 5.7 JB 3.2 JB 2 1012/12/07 <2 <2 4.4 J <2 <2 <2 7.5 J 2 10
06/11/08 <2 8.5 JB <2 5.5 JB 5 JB 2 JB 3.4 JB <2 2 10 i11/06/08 <2 3.9 J <2 10 JB <2 3.3 J 2 J 4.2 J 2 10 i05/20/09 <1.6 3.3 J <1.6 1.6 J <1.6 3.5 J <1.6 <1.6 <1.6 1.6 1011/19/09 <1.9 5.31 J <1.9 <1.9 <1.9 4.23 J <1.9 2.89 J <1.9 1.9 10
06/23/10 3.87 J <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 14.8 1.9 1011/17/10 1.98 J 3.26 J <1.9 3.07 J <1.9 <1.9 <1.9 2.87 J 29.1.9 1005/24/11 <1.9 4.62 J <1.9 5.61 J <1.9 <1.9 <1.9 4.16 J 2.44 J 1.9 1011/17/11 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 8.32 J 1.9 1006/05/12 <1.9 <1.9 <1.9 2.62 J <1.9 <1.9 <1.9 <1.9 1.9 1011/14/12 2.36 J <1.9 2.79 J 2.13 J 5.83 J <1.9 1.9 1005/13/13 <2.1 <2.1 <2.1 <2.1 6.48 J <2.1 2.1 1011/12/13 <2.10 <2.10 <2.10 <2.10 2.62 J <2.10 2.10 1005/14/14 <2.10 <2.10 <2.10 2.49 J <2.10 <2.10 2.10 1011/11/14 <2.10 <2.10 <2.10 <2.10 <2.10 <2.10 2.10 1005/13/15 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1011/10/15 <3.10 4.07 J <3.10 3.95 J <3.10 <3.10 3.10 1005/18/16 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 10
11/15/16 <3.10 <3.10 <3.10 4.36 J <3.10 <3.10 3.10 1005/30/17 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1011/14/17 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1005/14/18 <3.10 <3.10 <3.10 4.56 J <3.10 <3.10 3.10 10
11/14/18 <3.10 <3.10 <3.10 5.54 J <3.10 <3.10 3.10 1005/20/19 <3.10 <3.10 <3.10 4.91 J <3.10 <3.10 3.10 1011/20/19 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1005/19/20 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 10
11/17/20 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1005/18/21 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1011/23/21 <3.10 <3.10 <3.10 <3.10 <3.10 <3.10 3.10 1005/23/22 <3.10 <3.10 <3.10 3.38 J <3.10 <3.10 3.10 10
11/08/22 <6.6 <6.6 <6.6 <6.6 <6.6 <6.6 6.6 1005/02/23 <6.6 <6.6 <6.6 <6.6 <6.6 <6.6 6.6 1011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
manganese 04/17/90MCL =07/11/91FBAC = 4070 05/28/92
NCGQS = 50 (2L Std)06/30/93
11/04/9412/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/07 7.8 J 6 J 63 118 179 368 1780 0.2 50 t, f12/12/07 11.3 J 17.6 J 32 J 205 283 259 956 0.2 5006/11/08 23.3 J 10400 8.4 JB 44 292 296 195 4460 0.2 50 t, i11/06/08 6.7 JB 1250 39.4 J 33.8 JB 304 426 132 5190 0.2 50 f05/20/09 16.4 J 8820 6 J 70.3 906 334 307 379 6870 1.1 5011/19/09 9.89 J 11100 7.91 J 55.4 581 269 357 340 3540 1.1 5006/23/10 149 9260 13 J 62.8 1080 217 229 1630 5520 1.1 5011/17/10 42.2 J 15800 6.99 J 48.3 J 2150 252 246 907 3250 1.1 50 i05/24/11 41.9 J 14300 9.4 J 65.7 788 336 189 621 1710 1.1 50 i11/17/11 15.9 J 57.14.1 J 350 301 400 1730 1.1 5006/05/12 65.5.24 J 54.41 25 57 1630 1340 1.1 5011/14/12 7.70 J 12.7 J 522 55 2910 1470 1.1 5005/13/13 6.88 J 4.75 JB 320 53 1100 1250 1.1 50 i11/12/13 1.22 J 10.8 J 362 89 94 1160 1.10 5005/14/14 3.99 J 9.97 J 73 45 71 1400 1.10 50
11/11/14 1.66 J 16.8 J 530 50 78 1450 1.10 5005/13/15 2.39 J 9.24 J 44 37 581 1560 1.10 50 i11/10/15 4.52 JB 7.71 J 320 36 71 1810 1.10 50 i05/18/16 1.23 J 8.70 J 71 31 58 1290 1.10 50
11/15/16 1.22J 9.93 J 43 320 79 1560 1.10 5005/30/17 1.33J 8.79 J 49 23 67 1950 1.10 5011/14/17 2.95 J 13.7 J 39 301 78 1860 1.10 5005/14/18 2.74 J 8.77 J 15 242 35 4070 1.50 50
11/14/18 3.68 J 4.49 J 30 22 66 2800 1.50 1005/20/19 7.31 J 7.31 J 59 210 481 3510 1.50 1011/20/19 5.11 J 20.5 45 230 1030 3190 1.50 1005/19/20 13.9 8.80 J 241 231 380 3980 1.50 10
11/17/20 3.48 J 3.08 J 272 190 481 6960 1.50 1005/18/21 4.66 J 2.31 J 51 19 35 4840 1.50 1011/23/21 4.33 J 8.69 J 26 17 57 4160 1.50 1005/23/22 3.67 J 2.57 J 30 18 282 5720 1.50 10
11/08/22 1.3 J 2.9 J 350 250 510 3700 1.3 1005/02/23 7.5 J 6.6 J 230 180 310 6400 1.3 1011/20/23 <5.0 <5.0 32 27 580 3640 505/08/24 <5.0 <5.0 220 1330 49 4340 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
mercury 04/17/90 <0.2 <0.2MCL = 2 07/11/91 <0.2 0.58FBAC = 0.237 MRL 05/28/92 <0.2 <0.2
NCGQS = 1 (2L Std)06/30/93 <0.22L Std = 1.05 (pre- Jan. 2010)11/04/942L Std = 1 (Jan. 2010)12/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97 <0.5 <0.5
09/03/9703/25/9805/04/9811/02/98 <0.2
04/26/9911/22/99 <0.205/23/00 0.6 J <0.211/29/00 <0.205/30/0106/05/01 0.311/13/0106/04/02 <0.203/12/03 <0.206/18/03 <0.212/08/03 <0.206/22/04 <0.211/30/04 <0.2
06/01/05 <0.206/06/0511/02/05 <0.211/09/05 <0.2 <0.2 <0.2 <0.2
05/23/06 <0.2 <0.2 <0.2 <0.2 <0.211/17/06 <0.2 <0.2 <0.2 <0.2 <0.206/13/07 <0.01 <0.01 <0.01 <0.01 <0.01 0.02 J <0.01 0.01 0.2012/12/07 0.02 JB <0.01 <0.01 0.06 JB <0.01 0.03 JB 0.16 JB 0.01 0.20 t,i
06/11/08 0.1 JB 0.04 JB 0.06 JB 0.08 JB 0.11 JB 0.18 JB 0.13 JB <0.2 0.01 0.20 t, i11/06/08 0.14 JB <0.01 0.16 JB 0.13 JB 0.05 JB 0.17 JB 0.09 JB 0.1 JB 0.01 0.20 t, f, i05/20/09 <0.05 0.05 0.2011/19/09 <0.054 0.117 J <0.054 <0.054 0.149 J <0.054 0.0611 J 0.182 J <0.054 0.054 0.20
06/23/10 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2011/17/10 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2005/24/11 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2011/17/11 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.269 0.17 0.2006/05/12 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2011/14/12 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2005/13/13 <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 0.17 0.2011/12/13 <0.170 <0.170 <0.170 <0.170 <0.170 <0.170 0.170 0.2005/14/14 <0.170 <0.170 <0.170 <0.170 <0.170 <0.170 0.170 0.2011/11/14 <0.170 <0.170 <0.170 <0.170 <0.170 <0.170 0.170 0.2005/13/15 <0.170 <0.170 <0.170 <0.170 <0.170 <0.170 0.170 0.2011/10/15 <0.170 <0.170 <0.170 0.223 <0.170 0.229 0.170 0.2005/18/16 <0.170 <0.170 <0.170 0.239 <0.170 <0.170 0.170 0.20
11/15/16 <0.170 <0.170 <0.170 0.208 <0.170 <0.170 0.170 0.2005/30/17 <0.170 <0.170 <0.170 <0.170 <0.170 <0.170 0.170 0.2011/14/17 <0.0990 <0.0990 <0.0990 <0.0990 <0.0990 <0.0990 0.0990 0.2005/14/18 <0.150 <0.150 <0.150 0.217 <0.150 0.273 0.150 0.20
11/14/18 <0.150 <0.150 <0.150 0.177 J <0.150 <0.150 0.150 0.2005/20/19 <0.150 <0.150 <0.150 <0.150 <0.150 <0.150 0.150 0.2011/20/19 <0.150 <0.150 <0.150 <0.150 <0.150 <0.150 0.150 0.2005/19/20 <0.150 <0.150 <0.150 <0.150 <0.150 <0.150 0.150 0.20
11/17/20 <0.150 <0.150 <0.150 <0.150 <0.150 <0.150 0.150 0.2005/18/21 <0.150 <0.150 <0.150 0.166 J <0.150 <0.150 0.150 0.2011/23/21 <0.150 <0.150 <0.150 <0.150 <0.150 <0.150 0.150 0.2005/23/22 <0.150 <0.150 <0.150 0.223 <0.150 <0.150 0.150 0.20
11/08/22 <0.080 <0.080 0.080 0.2005/02/23 <0.080 <0.080 <0.080 0.23 <0.080 <0.080 0.080 0.2011/20/23 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 0.2005/08/24 <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 0.20
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
nickel 04/17/90MCL =07/11/91FBAC = 4.78 05/28/92
NCGQS = 100 (2L Std)06/30/93
11/04/9412/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/0712/12/07 2.6 JB 2.6 JB 2.4 JB 2.2 JB <0.6 0.9 JB 3.2 JB 0.6 50 t,i
06/11/08 <0.6 3.8 J <0.6 1.8 J 3.3 J <0.6 <0.6 1.5 J 0.6 5011/06/08 9.2 J 8.8 J 1.8 JB 10.9 JB 12 J 18.4 J 2.8 J 7.7 J 0.6 50 t, 05/20/09 <0.6 3.2 J 1.1 J 2.5 J 1.4 J 1.3 J <0.6 <0.6 4.9 J 0.6 5011/19/09 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 1.8 50
06/23/10 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 <1.8 2.72 J 1.8 5011/17/10 <1.8 2.72 J <1.8 2.2 J <1.8 <1.8 <1.8 <1.8 4.01 J 1.8 5005/24/11 <1.8 1.81 J <1.8 2.97 J <1.8 <1.8 <1.8 <1.8 <1.8 1.8 5011/17/11 <1.8 2.1 J <1.8 1.95 J <1.8 <1.8 2.75 J 1.8 5006/05/12 <1.8 <1.8 1.89 J <1.8 <1.8 <1.8 2.47 J <1.8 1.8 5011/14/12 <1.8 <1.8 <1.8 <1.8 2.07 J <1.8 1.8 5005/13/13 <1.8 1.91 J <1.8 <1.8 <1.8 <1.8 1.8 5011/12/13 <1.80 <1.80 <1.80 <1.80 <1.80 <1.80 1.80 5005/14/14 <1.80 <1.80 <1.80 <1.80 <1.80 <1.80 1.80 5011/11/14 <1.80 <1.80 1.92 J <1.80 <1.80 <1.80 1.80 5005/13/15 <1.80 3.39 J 2.80 J 4.27 J <1.80 3.49 J 1.80 5011/10/15 <1.80 <1.80 <1.80 <1.80 <1.80 <1.80 1.80 5005/18/16 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 50
11/15/16 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 5005/30/17 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 5011/14/17 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 5005/14/18 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 50
11/14/18 <2.20 <2.20 2.56 J <2.20 <2.20 3.30 J 2.20 1005/20/19 <2.20 <2.20 2.31 J <2.20 <2.20 4.78 J 2.20 1011/20/19 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 1005/19/20 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 10
11/17/20 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 1005/18/21 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 1011/23/21 <2.20 <2.20 <2.20 <2.20 <2.20 3.40 J 2.20 1005/23/22 <2.20 <2.20 <2.20 <2.20 <2.20 <2.20 2.20 10
11/08/22 <3.3 <3.3 <3.3 <3.3 <3.3 <3.3 3.3 4005/02/23 <3.3 <3.3 <3.3 <3.3 <3.3 <3.3 3.3 4011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
selenium 04/17/90MCL = 50 07/11/91FBAC = MRL 05/28/92
NCGQS = 20 (2L Std)06/30/932L Std = 50 (pre- Jan. 2010)11/04/942L Std = 20 (Jan. 2010)12/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/0712/12/07
06/11/0811/06/0805/20/09 <3.4 <3.4 5 J 5.9 J <3.4 <3.4 <3.4 6.1 J <3.4 3.4 1011/19/09 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 2.7 10
06/23/10 <0.83 <0.83 <0.83 <0.83 <0.83 0.926 J <0.83 1.43 J 10.4 0.83 1011/17/10 <0.83 10.9 B <0.83 <0.83 <0.83 <0.83 <0.83 1.89 J 5.09 J 0.83 10 i05/24/11 <0.83 <0.83 <0.83 <0.83 0.998 J 1.4 J <0.83 3.23 J 10.1 0.83 1011/17/11 <0.83 <0.83 <0.83 0.948 J <0.83 2.61 J 2.73 J 0.83 1006/05/12 <0.83 <0.83 <0.83 <0.83 <0.83 1.72 J <0.83 <0.83 0.83 1011/14/12 <0.83 <0.83 <0.83 2.84 J <0.83 <0.83 0.83 1005/13/13 <0.91 <0.91 <0.91 2.45 J <0.91 <0.91 0.91 1011/12/13 <0.910 <0.910 <0.910 1.98 J <0.910 <0.910 0.910 1005/14/14 <0.910 <0.910 <0.910 3.12 J <0.910 <0.910 0.910 1011/11/14 <0.910 <0.910 <0.910 2.34 J <0.910 <0.910 0.910 1005/13/15 <0.910 <0.910 <0.910 3.60 J <0.910 <0.910 0.910 1011/10/15 <0.910 <0.910 <0.910 3.09 J <0.910 <0.910 0.910 1005/18/16 <0.910 <0.910 1.58 J 6.67 J <0.910 <0.910 0.910 10
11/15/16 <0.910 <0.910 <0.910 2.11 J <0.910 <0.910 0.910 1005/30/17 <0.910 <0.910 <0.910 2.70 J <0.910 <0.910 0.910 1011/14/17 <0.910 <0.910 <0.910 2.01 J <0.910 <0.910 0.910 1005/14/18 <4.55 <4.55 <4.55 <4.55 <4.55 <4.55 4.55 10
11/14/18 <4.55 <4.55 <4.55 <4.55 <4.55 <4.55 4.55 5.005/20/19 <1.82 <1.82 <1.82 3.12 <1.82 <1.82 1.82 2.011/20/19 <1.82 <1.82 <1.82 4.16 <1.82 <1.82 1.82 2.005/19/20 <1.82 <1.82 <1.82 3.20 <1.82 <1.82 1.82 2.0
11/17/20 <1.82 <1.82 <1.82 3.22 D <1.82 <1.82 1.82 2.005/18/21 <1.82 <1.82 2.29 5.19 <1.82 <1.82 1.82 2.011/23/21 <1.82 <1.82 <1.82 <1.82 <1.82 <1.82 1.82 2.005/23/22 <1.82 <1.82 <1.82 2.47 <1.82 <1.82 1.82 2.0
11/08/22 <1.2 <1.2 <1.2 2.7 <1.2 <1.2 1.2 2.505/02/23 <10 <10 <10 <10 <10 <10 10 2011/20/23 <10.0 <10.0 <10.0 <10.0 <10.0 <10.0 1005/08/24 <10.0 <10.0 <10.0 <10.0 <10.0 <10.0 10
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
silver 04/17/90MCL =07/11/91FBAC = MRL 05/28/92
NCGQS = 20 (2L Std)06/30/93
2L Std = 17.5 (pre- Jan. 2010)11/04/942L Std = 20 (Jan. 2010)12/20/9402/02/9503/13/95
05/18/95 <10 <1007/20/95 <10 <1011/15/9511/28/95 <10 <10
02/28/96 <10 <1007/25/9608/27/96 <10 <1002/25/97 <10 <10
09/03/97 <10 <1003/25/98 10 B 14 B05/04/9811/02/98 <10 <10
04/26/99 <10 <1011/22/99 <10 <1005/23/00 <10 <1011/29/00 <10 <10 <1005/30/01 <10 <1006/05/01 <10 <1011/13/01 <10 <10 <1006/04/02 <10 <10 <1003/12/03 <10 <1006/18/03 <10 <1012/08/03 <10 <1006/22/04 <10 <1011/30/04 <10 <10
06/01/05 <1006/06/0511/02/05 <10 <1011/09/05 <10 <10 <10 <10
05/23/06 <10 <10 <10 <10 <10 <10 <1011/17/06 <10 <10 <10 <10 <10 <10 <1006/13/07 <1.1 <1.1 <1.1 <1.1 <1.1 <1.1 <1.1 1.1 1012/12/07 <1.1 <1.1 <1.1 <1.1 <1.1 <1.1 <1.1 1.1 10
06/11/08 <1.1 <1.1 <1.1 <1.1 <1.1 1.6 JB 1.6 JB <1.1 1.1 10 i11/06/08 <1.1 <1.1 <1.1 <1.1 <1.1 3.9 JB <1.1 <1.1 1.1 10 i05/20/09 <1 2 J <1 <1 <1 <1 <1 <1 2.1 J 1 1011/19/09 <1.9 2.68 J <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 1.9 10
06/23/10 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 1.9 1011/17/10 <1.9 5.16 J <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 2.04 J 1.9 1005/24/11 <1.9 3.42 J <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 1.9 1011/17/11 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 1.9 1006/05/12 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 3.28 J <1.9 1.9 1011/14/12 <1.9 <1.9 <1.9 <1.9 <1.9 <1.9 1.9 1005/13/13 <1.9 2.13 J <1.9 <1.9 <1.9 <1.9 1.9 1011/12/13 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/14/14 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1011/11/14 1.96 JB <1.90 <1.90 <1.90 <1.90 <1.90 1.90 10 i05/13/15 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1011/10/15 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/18/16 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 10
11/15/16 <1.90 <1.90 1.93 J 2.20 J <1.90 <1.90 1.90 1005/30/17 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1011/14/17 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/14/18 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 10
11/14/18 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/20/19 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1011/20/19 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/19/20 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 10
11/17/20 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/18/21 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1011/23/21 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 1005/23/22 <1.90 <1.90 <1.90 <1.90 <1.90 <1.90 1.90 10
11/08/22 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 1005/02/23 <1.5 <1.5 <1.5 <1.5 <1.5 <1.5 1.5 1011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
thallium 04/17/90MCL = 2 07/11/91FBAC = 0.205 05/28/92
NCGQS = 0.28 06/30/9311/04/9412/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/07 <2.7 4.2 JB <2.7 8 B 4.5 JB 4.6 JB <2.7 2.7 5.5 t, i12/12/07 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 2.7 5.5
06/11/08 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 2.7 5.511/06/08 <2.7 <2.7 <2.7 4.7 JB <2.7 3.2 JB <2.7 <2.7 2.7 5.5 i05/20/09 <0.036 0.061 JB <0.036 <0.036 <0.036 <0.036 <0.036 <0.036 <0.036 0.036 5.5 i11/19/09 0.26 J <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.5
06/23/10 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.511/17/10 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.505/24/11 0.38 J 0.437 J <0.11 <0.11 <0.11 0.136 J <0.11 0.16 J <0.11 0.11 5.511/17/11 0.129 J <0.11 <0.11 <0.11 <0.11 0.173 J <0.11 0.11 5.506/05/12 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.511/14/12 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.505/13/13 <0.11 <0.11 <0.11 <0.11 <0.11 <0.11 0.11 5.511/12/13 <0.110 <0.110 <0.110 <0.110 <0.110 <0.110 0.110 5.505/14/14 <0.110 <0.110 <0.110 <0.110 <0.110 <0.110 0.110 5.511/11/14 0.347 J <0.110 <0.110 <0.110 <0.110 <0.110 0.110 5.505/13/15 <0.110 <0.110 <0.110 <0.110 <0.110 <0.110 0.110 5.511/10/15 <0.110 <0.110 <0.110 <0.110 <0.110 <0.110 0.110 5.505/18/16 <0.110 <0.110 <0.110 0.123 J <0.110 <0.110 0.110 5.5
11/15/16 <0.110 <0.110 0.173 J 0.167 J 0.123 J <0.110 0.110 5.505/30/17 0.355 J 0.177 J <0.110 0.132 J <0.110 <0.110 0.110 5.511/14/17 0.273 J 0.135 J 0.386 J 0.535 J 0.463 J 0.205 J 0.110 5.505/14/18 <0.550 <0.550 <0.550 <0.550 <0.550 <0.550 0.550 5.5
11/14/18 <0.550 <0.550 <0.550 <0.550 <0.550 <0.550 0.550 5.005/20/19 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.011/20/19 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.005/19/20 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.0
11/17/20 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.005/18/21 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.011/23/21 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.005/23/22 <0.220 <0.220 <0.220 <0.220 <0.220 <0.220 0.220 2.0
11/08/22 <0.26 <0.26 <0.26 <0.26 <0.26 <0.26 0.26 1.005/02/23 <8.0 <8.0 <8.0 <8.0 <8.0 <8.0 8.0 2511/20/23 <10.0 <10.0 <10.0 <10.0 <10.0 <10.0 1005/08/24 <0.20 <10.0 <0.20 <0.20 <0.20 <0.20 0
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
tin 04/17/90MCL = 07/11/91FBAC = MRL 05/28/92
NCGQS = 2,000 06/30/93
GWPS = 2,100 (pre-Oct. 2010)11/04/94GWPS = 2,000 (Oct. 2010)12/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/0712/12/07
06/11/0811/06/0805/20/0911/19/09
06/23/1011/17/1005/24/1111/17/1106/05/12 2.97 J 2.1 10011/14/1205/13/13 <2.1 2.1 10011/12/1305/14/14 <2.10 2.10 10011/11/1405/13/15 <2.40 2.40 10011/10/1505/18/16 <2.40 2.40 100
11/15/1605/30/17 <2.40 2.40 10011/14/1705/14/18 <2.40 2.400 100
11/14/1805/20/19 0.388 J 2.90 10.011/20/19 <2.90 2.90 10.005/19/20 <2.90 2.90 10.0
11/17/20 <2.90 2.90 10.005/18/21 <2.90 2.90 10.011/23/21 <2.90 2.90 10.005/23/22 <2.90 2.90 10.0
11/08/2205/02/23 <11 50 1111/20/2305/08/24 <5.0
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
vanadium 04/17/90MCL =07/11/91FBAC = MRL 05/28/92
NCGQS = 0.3 (GWPS)06/30/93
GWPS = 3.5 (pre-Oct. 2010)11/04/94GWPS = 0.3 (Oct. 2010)12/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/07 1.5 J <0.4 <0.4 7.6 J <0.4 <0.4 1.5 J 0.4 2512/12/07 <0.4 <0.4 <0.4 1.6 J <0.4 <0.4 4.6 J 0.4 25
06/11/08 2.1 JB 5.2 J <0.4 1.9 JB 3.3 J <0.4 1.8 JB 3.7 J 0.4 25 t, f, i11/06/08 1.2 JB 2.4 JB <0.4 1.4 JB 0.8 JB <0.4 1 JB 1.1 JB 0.4 2505/20/09 2.9 J <0.7 <0.7 1 J <0.7 2.8 J <0.7 <0.7 <0.7 0.7 2511/19/09 2.24 J <1.4 <1.4 <1.4 <1.4 3.38 J <1.4 <1.4 <1.4 1.4 25
06/23/10 22.3 J 1.82 J <1.4 <1.4 <1.4 <1.4 <1.4 1.42 J 10.9 J 1.4 2511/17/10 7.64 J <1.4 <1.4 <1.4 <1.4 <1.4 <1.4 <1.4 32.1.4 2505/24/11 6.8 J 2.44 J <1.4 1.6 J <1.4 <1.4 <1.4 4.05 J <1.4 1.4 2511/17/11 3.23 J <1.4 <1.4 3.43 J <1.4 1.8 J 9.55 J 1.4 2506/05/12 10.4 J <1.4 <1.4 2.11 J <1.4 2.75 J <1.4 <1.4 1.4 2511/14/12 1.76 J <1.4 <1.4 <1.4 <1.4 <1.4 1.4 2505/13/13 1.81 J <1.4 <1.4 <1.4 4.28 J <1.4 1.4 2511/12/13 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 2505/14/14 <1.40 <1.40 <1.40 4.00 J <1.40 <1.40 1.40 2511/11/14 <1.40 <1.40 <1.40 3.70 J <1.40 <1.40 1.40 2505/13/15 <1.40 <1.40 <1.40 3.13 J <1.40 <1.40 1.40 2511/10/15 1.60 J 1.51 J <1.40 3.26 J <1.40 <1.40 1.40 2505/18/16 <1.40 <1.40 <1.40 3.06 J <1.40 <1.40 1.40 25
11/15/16 1.58 J <1.40 <1.40 4.17 J <1.40 <1.40 1.40 2505/30/17 <1.40 <1.40 <1.40 1.42 J <1.40 <1.40 1.40 2511/14/17 <1.40 <1.40 <1.40 1.75 J <1.40 <1.40 1.40 2505/14/18 <1.40 <1.40 <1.40 4.65 J <1.40 <1.40 1.40 25
11/14/18 1.72 J <1.40 <1.40 5.42 J <1.40 <1.40 1.40 1005/20/19 <1.40 <1.40 <1.40 4.22 J <1.40 <1.40 1.40 1011/20/19 <1.40 <1.40 <1.40 2.12 J <1.40 <1.40 1.40 1005/19/20 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 10
11/17/20 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/18/21 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1011/23/21 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 1005/23/22 <1.40 <1.40 <1.40 <1.40 <1.40 <1.40 1.40 10
11/08/22 1.2 J <1.0 <1.0 4.7 J <1.0 <1.0 1.0 1005/02/23 1.3 J <1.0 <1.0 1.9 J <1.0 <1.0 1.0 1011/20/23 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 505/08/24 <5.0 <5.0 <5.0 <5.0 <5.0 <5.0 5
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
zinc 04/17/90MCL =07/11/91FBAC = 22.7 05/28/92
NCGQS = 1,000 (2L Std)06/30/93
2L Std = 1,050 (pre- Jan. 2010)11/04/942L Std = 1,000 (Jan. 2010)12/20/9402/02/9503/13/95
05/18/9507/20/9511/15/9511/28/95
02/28/9607/25/9608/27/9602/25/97
09/03/9703/25/9805/04/9811/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/0111/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/0506/06/0511/02/0511/09/05
05/23/0611/17/0606/13/07 28.1 B 14.8 B 20.7 B 21.6 B 37.7 B 44 B 20.2 B 2.7 10 t12/12/07 20.9 B 17.2 B 12.4 B 21.2 B 19.9 B 52.7 165 2.7 10 t,i
06/11/08 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 <2.7 2.7 1011/06/08 8.1 JB 12.4 B <2.7 13.2 B 7.7 JB 6.5 JB 28.4 B 13.6 B 2.7 10 i05/20/09 14.2 15 <3.4 4.8 J 35.5 15.9 <3.4 33.2 12.3 3.4 1011/19/09 11.1 11.6 <3.8 9.22 J 19.9 12.7 <3.8 24.8 9.16 J 3.8 10
06/23/10 82 9.32 J 6.9 J 4.9 J 8.01 J 10.3 <3.8 25.7 61.5 3.8 1011/17/10 26.6 4.21 J 3.83 J 4.47 J 4.24 J 5.11 J <3.8 28.3 206 3.8 1005/24/11 27.7 6.55 J 4.01 J 4.88 J 4.18 J <3.8 <3.8 37.7 11.3 3.8 1011/17/11 13.8 4.42 J <3.8 11.4 <3.8 22.5 40.6 3.8 1006/05/12 45.2 <3.8 <3.8 9.07 J <3.8 32.7 10.8 12.3 3.8 1011/14/12 17 <3.8 4.02 J 24.8 22.7 18.3 3.8 1005/13/13 8.63 J <3.8 <3.8 19.5 26.9 14.3 3.8 1011/12/13 7.24 J 4.06 J <3.80 19.9 <3.80 14.9 3.80 1005/14/14 7.44 J <3.80 6.72 J 36.1 <3.80 18.8 3.80 1011/11/14 14.6 10.8 8.55 J 38.9 <3.80 18.2 3.80 1005/13/15 9.30 J 4.16 J 6.52 J 40.6 <3.80 20.6 3.80 1011/10/15 7.09 J <3.80 <3.80 36.8 <3.80 21.0 3.80 1005/18/16 7.44 J <4.40 <4.40 52.4 <4.40 13.2 4.40 10
11/15/16 7.72 J <4.40 <4.40 54.8 <4.40 16.5 4.40 1005/30/17 6.74 J <4.40 <4.40 40.5 <4.40 19.9 4.40 1011/14/17 10.0 <4.40 <4.40 35.1 <4.40 15.0 4.40 1005/14/18 7.37 J <4.40 <4.40 57.1 <4.40 11.2 4.40 10
11/14/18 8.68 J <4.40 <4.40 54.6 <4.40 15.0 4.40 1005/20/19 8.94 J <4.40 4.62 J 59.4 <4.40 7.43 J 4.40 1011/20/19 11.7 4.78 J 5.63 J 40.4 <4.40 13.9 4.40 1005/19/20 11.1 <4.40 <4.40 44.5 <4.40 8.91 J 4.40 10
11/17/20 7.49 J <4.40 <4.40 34.8 <4.40 16.1 4.40 1005/18/21 10.3 <4.40 <4.40 39.0 <4.40 13.1 4.40 1011/23/21 9.91 J <4.40 <4.40 29.7 <4.40 24.8 4.40 1005/23/22 9.03 J 4.79 J <4.40 47.1 <4.40 17.7 4.40 10
11/08/22 11 J <8.7 <8.7 59 <8.7 29 8.7 2005/02/23 <8.7 <8.7 <8.7 43 <8.7 <8.7 8.7 2011/20/23 <10.0 <10.0 <10.0 50.2 <10.0 18.0 1005/08/24 <10.0 <10.0 <10.0 32.2 <10.0 <10.0 10
Sample Date MW-4 MW-204DMW-5 MW-110S MW-110D MW-204SMW-201RConstituent MDL MRLMW-209 MW-210D QA/QCMW-211RMW-210
INORGANIC CONSTITUENTS: TOTAL METALSHISTORY OF CHEMICAL ANALYSIS
FACILITY: ACTIVE C&D FACILITYCLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
Revised FBAC values submitted for NCDEQ approval in November 2019.
Empty cells indicate data not available. Upgradient well shaded yellow. Blue bolded values indicate concentrations that exceeded the FBAC. Red bolded values indicate concentrations that exceeded the NCGQS.
Green bolded cells indicate concentrations that were greater than the Method Detection Limit (>MDL) but <SWSL, or >MDL but <Method Reporting Limit, if no SWSL. All results in µg/L B - detect associated with blank contamination J - concentration is estimated
i - found in instrument blank t - found in trip blank f - found in field blank ic - initial calibration beyond limits cc - continuing calibration beyond limits d - duplicates beyond limits ss - surrogate spikes beyond limits is - internal standard beyond limits sd - serial dilution beyond limits ms - matrix spike beyond limits ics - interference check sample beyond limits lcs – laboratory control sample beyond limits q – reporting limit standard beyond limits msd - matrix spike duplicate beyond limits
FBAC – facility background NCGQS - Groundwater Standard, as established by the NCDEQ SWSL - solid waste section limit, as established by NCDEQ SPL – statistical prediction limit GWPS - ground water protection standard SWSL eliminated in 2019 and replaced with Method Reporting Limit NE - Not Established
INORGANIC CONSTITUENTS: TOTAL METALS
LOCATION: CHAPEL HILL, NORTH CAROLINAPROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
CLIENT: THE COUNTY OF ORANGEFACILITY: ORANGE COUNTY REGIONAL LANDFILL - NORTH FACILITY

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 6: General Chemistry
alkalinity 04/17/90MCL =07/11/91
FBAC = 05/28/92
NCGQS = 06/30/9311/04/9412/20/9402/02/9503/13/9505/18/9507/20/95
11/15/95
11/28/9502/28/9607/25/9608/27/9602/25/9709/03/9703/25/98
05/04/98
11/02/98
04/26/9911/22/9905/23/0011/29/0005/30/0106/05/01
11/13/01
06/04/02
03/12/0306/18/0312/08/0306/22/0411/30/0406/01/0506/06/05
11/02/05
11/09/0505/23/0611/17/0606/13/07 21000 29000 42000 95000 162000 59000 74000 100012/12/07 19800 29700 18700 150000 150000 63800 39600 100006/11/08 23100 45100 33000 48400 163000 169000 68200 189000 1000 t11/06/08 22000 B 59400 B 33000 B 4400 B 169000 165000 55000 B 189000 1000 f
05/20/09 17000 23000 31000 45000 36000 160000 160000 46000 140000 8300
11/19/09 24000 33000 25000 62000 34000 190000 160000 43000 120000 8300
06/23/10 27000 30000 37000 49000 170000 180000 160000 66000 120000 800011/17/10 16000 150000 30000 43000 260000 150000 160000 52000 91000 800005/24/11 24000 63000 40000 46000 200000 180000 160000 61000 140000 1200011/17/11 15000 54000 22000 190000 160000 54000 91000 1200006/06/12 22000 34000 47000 180000 160000 73000 140000 <12000 1200011/14/12 23000 31000 250000 73000 120000 30000 12000
05/13/13 27000 34000 180000 91000 160000 25000 14000
11/12/13 22000 32000 200000 95000 190000 28000 14000
05/13/14 21000 38000 310000 89000 190000 17000 14000011/11/14 27000 42000 380000 99000 220000 35000 1400005/13/15 27000 38000 330000 100000 180000 D 28000 1400011/10/15 21000 28000 280000 78000 180000 D 34000 1400005/18/16 23000 26000 350000 93000 180000 20000 1400011/15/16 27000 37000 340000 99000 200000 D 51000 14000/28000/7000005/30/17 26000 35000 260000 86000 190000 D 43000 14000/28000/7000011/14/17 24000 39000 360000 89000 200000 D 35000 70000
05/14/18 24000 41000 210000 89000 180000 D 73000 14000/28000/7000011/14/18 14000 J 26000 260000 84000 180000 D 58000 1400005/20/19 27000 36000 300000 58000 190000 46000 2800011/20/19 22000 37000 380000 D 71000 210000 D 54000 14000/2800005/19/20 <14000 22000 220000 D 55000 180000 D 86000 14000/2800011/17/20 21000 33000 150000 D 64000 180000 D 99000 14000/14000005/18/21 30000 39000 300000 D 58000 190000 D 66000 14000/70000
11/23/21 20000 36000 180000 D 72000 180000 D 53000 14000/70000
05/23/22 26000 35000 250000 D 60000 190000 D 68000 14000/70000
11/08/22 32000 44000 280000 80000 190000 59000 500005/02/23 32000 37000 170000 83000 190000 130000 500011/20/23 30300 44000 305000 82800 197000 67500 500005/08/24 30300 38600 231000 84200 201000 153000 5000
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
QA/QCMW-110S
HISTORY OF CHEMICAL ANALYSISINORGANIC CONSTITUENTS: GENERAL CHEMISTRY
Constituent Sample Date MDLMW-204SMW-110D MW-204D SWSL/MRLMW-5 MW-209 MW-210DMW-4 MW-201R MW-211RMW-210
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
QA/QCMW-110S
HISTORY OF CHEMICAL ANALYSIS
INORGANIC CONSTITUENTS: GENERAL CHEMISTRY
Constituent Sample Date MDLMW-204SMW-110D MW-204D SWSL/MRLMW-5 MW-209 MW-210DMW-4 MW-201R MW-211RMW-210
chloride 04/17/90
MCL =07/11/91FBAC = 05/28/92
NCGQS = 250000 (2L Std) 06/30/9311/04/9412/20/9402/02/9503/13/95
05/18/95
07/20/9511/15/9511/28/9502/28/9607/25/9608/27/9602/25/97
09/03/97
03/25/98
05/04/9811/02/9804/26/9911/22/9905/23/0011/29/00
05/30/01
06/05/01
11/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/05
06/06/0511/02/0511/09/0505/23/0611/17/0606/13/07 4000 2500 2500 5500 2500 6000 122000 100012/12/07 6500 B 5000 B 5000 B 33500 4000 B 5500 B 70500 1000 t, f
06/11/08 5500 7000 3500 3500 7000 3000 7500 80500 1000
11/06/08 7000 B 7500 B 5000 B 3000 B 6000 B 3500 B 7500 B 150000 1000 t, f
05/20/09 5700 5200 3500 J 3400 J 16000 14000 4300 J 9200 200000 1811/19/09 6100 B 4800 JB 3600 JB 3600 JB 6400 B 19000 4200 JB 9000 B 140000 18 f06/23/10 5800 5700 3800 J 3700 J 6400 25000 4400 J 11000 310000 1811/17/10 6000 B 4800 JB 3400 JB 3400 JB 6400 B 12000 3900 JB 13000 140000 18 i05/24/11 6000 B 5200 B 3400 JB 3400 JB 5000 B 16000 B 3800 B 10000 250000 47 i11/17/11 5900 B 3000 JB 3000 JB 11000 3300 JB 9900 140000 47 i
06/06/12 6000 B 3000 JB 2900 JB 14000 B 3400 JB 8900 B 440000 B 3200 JB 430 i
11/14/12 6200 B 3000 JB 22000 9300 270000 3300 JB 430 i
05/13/13 6700 3200 J 7900 9700 14000 3500 J 220011/12/13 6000 3000 J 6000 11000 17000 3300 J 220005/13/14 5800 3300 J 34000 9900 16000 3600 J 220011/11/14 6100 3100 J 33000 9300 18000 3400 J 220005/13/15 6900 3600 J 38000 14000 17000 4000 J 220011/10/15 5900 2400 J 25000 15000 18000 2500 J 220005/18/16 4700 J 2400 J 41000 16000 15000 2800 J 2200
11/15/16 5500 2500 J 37000 16000 17000 2600 J 2200
05/30/17 6000 <2200 25000 14000 12000 2500 J 220011/14/17 6300 2200 J 41000 16000 12000 2500 J 220005/14/18 6400 2500 J 20000 14000 11000 2700 J 220011/14/18 6500 2400 J 24000 15000 12000 2300 J 220005/20/19 5100 2300 J 36000 14000 14000 2600 J 220011/20/19 5900 <2200 47000 13000 14000 2800 J 220005/19/20 6300 3400 J 20000 13000 13000 91000 220011/17/20 7200 3400 J 13000 11000 13000 3800 2200
05/18/21 11000 3700 J 40000 10000 15000 4100 J 2200
11/23/21 7300 3500 J 25000 <2200 15000 4200 J 220005/23/22 6600 3300 J 29000 8800 9700 3800 J 220011/08/22 <44000 D 3300 J 33000 9200 13000 6300 220005/02/23 8200 2500 J 3400 9600 12000 2200 200011/20/23 8000 2300 38600 11100 15400 3300 100005/08/24 7300 2500 33900 8200 15300 3400 1000
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
QA/QCMW-110S
HISTORY OF CHEMICAL ANALYSIS
INORGANIC CONSTITUENTS: GENERAL CHEMISTRY
Constituent Sample Date MDLMW-204SMW-110D MW-204D SWSL/MRLMW-5 MW-209 MW-210DMW-4 MW-201R MW-211RMW-210
sulfate 04/17/90
MCL =07/11/91FBAC = 250000 (SWSL)05/28/92
NCGQS = 250000 (2L Std) 06/30/9311/04/9412/20/9402/02/9503/13/95
05/18/95
07/20/9511/15/9511/28/9502/28/9607/25/9608/27/9602/25/97
09/03/97
03/25/98
05/04/9811/02/9804/26/9911/22/9905/23/0011/29/00
05/30/01
06/05/01
11/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/05
06/06/0511/02/0511/09/0505/23/0611/17/0606/13/07 <5000 6300 J 9700 J 10300 J 11400 J 37000 J 453000 5000 25000012/12/07 <5000 5750 J 6850 J 16200 J 11400 J 39800 J 147000 J 5000 250000
06/11/08 <10000 <10000 52600 J 13600 J <10000 50000 J 674000 10000 250000
11/06/08 <10000 <10000 <10000 21200 J 11600 J 11500 J 44600 J 54000 J 10000 250000
05/20/09 <78 2700 J 2600 J 5000 J 5500 J 11000 J 8900 J 41000 J 600000 78 25000011/19/09 2000 J 2600 J 3200 JB 4900 JB 4800 JB 13000 J 8300 JB 42000 J 330000 78 250000 f06/23/10 <120 2800 J 2500 J 4500 J 13000 J 13000 J 8500 J 46000 J 910000 120 25000011/17/10 1900 J 2300 J 3200 J 4600 J 7800 J 23000 J 8200 J 44000 J 370000 120 25000005/24/11 1900 J 2700 J 2800 J 4600 J 12000 J 12000 J 8300 J 39000 J 710000 20 25000011/17/11 2000 J 4700 J 3300 J 10000 J 7700 J 40000 J 360000 20 250000
06/06/12 1900 J 3000 J 4600 J 11000 J 8400 J 39000 J 1100000 3700 J 40 250000
11/14/12 2000 J 3200 JB 13000 J 39000 J 640000 4000 JB 40 250000 i
05/13/13 2100 JB 3000 JB 9000 JB 41000 JB 40000 JB 3500 JB 40 250000 i11/12/13 <2900 2900 J <2900 37000 J 16000 J 3600 J 2900 25000005/13/14 <2900 <2900 16000 J 40000 J 17000 J 3300 J 2900 25000011/11/14 <2900 3500 J 17000 J 40000 J 19000 J 3600 J 2900 25000005/13/15 <2900 <2900 17000 J 41000 J 16000 J 3500 J 2900 25000011/10/15 <2900 <2900 16000 J 38000 J 19000 J 4000 J 2900 25000005/18/16 <2900 2900 J 19000 J 37000 J 16000 J 3100 J 2900 250000
11/15/16 <2900 <2900 16000 J 34000 J 17000 J 3700 J 2900 250000
05/30/17 <2900 <2900 13000 J 33000 J 10000 J 4700 J 2900 25000011/14/17 <2900 <2900 16000 J 34000 J 11000 J <2900 2900 25000005/14/18 <2900 <2900 11000 J 37000 J 9000 J 3300 J 2900 25000011/14/18 <2900 <2900 14000 43000 9700 4400 J 2900 500005/20/19 <2900 <2900 16000 38000 13000 <2900 2900 500011/20/19 <2900 <2900 16000 36000 14000 <2900 2900 500005/19/20 <2900 2900 J 13000 41000 11000 73000 2900 500011/17/20 <2900 2900 J 11000 36000 11000 9500 2900 5000
05/18/21 6400 2900 J 18000 38000 15000 5400 2900 5000
11/23/21 <2900 3400 J 12000 25000 14000 4300 J 2900 500005/23/22 <2900 <2900 13000 33000 8900 6600 2900 500011/08/22 67000 3400 J 14000 33000 12000 5700 2900 500005/02/23 <4000 1200 7600 37000 9400 7300 2900 500011/20/23 <1000 2200 15700 31100 13900 4200 100005/08/24 <1000 1200 21100 30600 16200 10900 1000
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
QA/QCMW-110S
HISTORY OF CHEMICAL ANALYSIS
INORGANIC CONSTITUENTS: GENERAL CHEMISTRY
Constituent Sample Date MDLMW-204SMW-110D MW-204D SWSL/MRLMW-5 MW-209 MW-210DMW-4 MW-201R MW-211RMW-210
total dissolved solids 04/17/90
MCL =07/11/91FBAC = 05/28/92
NCGQS = 500000 (2L Std) 06/30/9311/04/9412/20/9402/02/9503/13/95
05/18/95
07/20/9511/15/9511/28/9502/28/9607/25/9608/27/9602/25/97
09/03/97
03/25/98
05/04/9811/02/9804/26/9911/22/9905/23/0011/29/00
05/30/01
06/05/01
11/13/0106/04/0203/12/0306/18/0312/08/0306/22/0411/30/04
06/01/05
06/06/0511/02/0511/09/0505/23/0611/17/0606/13/07 62000 83000 100000 131000 232000 132000 901000 500012/12/07 53000 98000 98000 295000 214000 153000 475000 5000
06/11/08 76000 129000 90000 110000 228000 228000 165000 1180000 5000
11/06/08 67000 B 73000 B 61000 B 73000 B 186000 B 187000 B 106000 B 911000 5000 f
05/20/09 60000 68000 84000 120000 100000 230000 200000 140000 1500000 1000011/19/09 12000 B 14000 B <10000 66000 <10000 240000 170000 100000 840000 10000 f06/23/10 76000 64000 74000 98000 250000 280000 210000 190000 2000000 1000011/17/10 44000 160000 72000 86000 290000 240000 180000 160000 1600000 1000005/24/11 <10000 44000 64000 120000 250000 310000 190000 140000 1700000 1000011/17/11 44000 34000 38000 260000 240000 170000 1000000 10000
06/06/12 200000 52000 82000 410000 370000 390000 2900000 190000 10000
11/14/12 44000 50000 440000 250000 1800000 150000 10000
05/13/13 62000 92000 250000 160000 2000000 78000 1000011/12/13 28000 50000 280000 200000 280000 34000 1000005/13/14 42000 56000 420000 200000 250000 22000 1000011/11/14 48000 62000 460000 190000 260000 30000 1000005/13/15 <50000 52000 400000 190000 240000 <50000 5000011/10/15 <50000 50000 380000 190000 270000 <50000 5000005/18/16 50000 60000 450000 220000 250000 <50000 50000
11/15/16 <50000 50000 380000 140000 170000 64000 50000
05/30/17 <50000 72000 350000 170000 270000 74000 5000011/14/17 <50000 66000 440000 150000 210000 <50000 5000005/14/18 <50000 <50000 270000 190000 210000 66000 5000011/14/18 <50000 58000 310000 240000 220000 78000 5000005/20/19 52000 74000 410000 200000 270000 62000 5000011/20/19 52000 94000 550000 210000 290000 94000 5000005/19/20 <50000 96000 310000 230000 290000 86000 5000011/17/20 80000 98000 250000 260000 130000 150000 50000
05/18/21 54000 80000 410000 170000 250000 84000 10000
11/23/21 56000 <10000 340000 260000 290000 140000 1000005/23/22 72000 68000 270000 190000 240000 100000 1000011/08/22 76000 100000 400000 190000 280000 100000 5000005/02/23 <50000 100000 200000 220000 210000 96000 5000011/20/23 68000 H1 78000 H1 412000 176000 276000 110000 2500005/08/24 71000 82000 407000 164000 291000 204000 25000
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENTFACILITY: ACTIVE C&D FACILITYLOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
QA/QCMW-110S
HISTORY OF CHEMICAL ANALYSIS
INORGANIC CONSTITUENTS: GENERAL CHEMISTRY
Constituent Sample Date MDLMW-204SMW-110D MW-204D SWSL/MRLMW-5 MW-209 MW-210DMW-4 MW-201R MW-211RMW-210
All results in µg/L.
Empty cells indicate data not available.
Upgradient wells shaded yellow. Blue bolded values indicate concentrations that exceeded the FBAC. Red bolded values indicate concentrations that exceeded the NCGQS. Green bolded cells indicate concentrations that were >MDL but <SWSL, or >MDL but <Method Reporting Limit, if no SWSL. SWSL eliminated in 2019 and replaced with reporting limit LOQ B - detect associated with blank contamination J - concentration is estimated
i - found in instrument blank t - found in trip blank
f - found in field blank ic - initial calibration beyond limits
cc - continuing calibration beyond limits d - duplicates beyond limits ss - surrogate spikes beyond limits is - internal standard beyond limits sd - serial dilution beyond limits ms - matrix spike beyond limits ics - interference check sample beyond limits lcs – laboratory control sample beyond limits q – reporting limit standard beyond limits msd - matrix spike duplicate beyond limits
FBAC – facility background NCGQS - Groundwater Standard, as established by the NCDEQ
SWSL - solid waste section limit, as established by NCDEQ SPL – statistical prediction limit
GWPS - ground water protection standard SWSL eliminated in 2019 and replaced with Method Reporting Limit
H1 - Analysis conducted outside the EPA method holding time
INORGANIC CONSTITUENTS: GENERAL CHEMISTRY
CLIENT: THE COUNTY OF ORANGE
FACILITY: ORANGE COUNTY REGIONAL LANDFILL - NORTH FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 6: Indicator Parameters
pH (standard units)06/23/10 6.03 NM 6.73 6.49 NM 6.29 7.51 6.33 6.14
11/17/10 6.13 6.13 6.09 6.38 NM 6.13 6.2 6.13 6.08
05/24/11 5.85 5.83 6.21 NM 6.28 7.26 6.28 6.13
11/15/11 5.58 5.79 6.18 6.46 7.27 6.13 5.92
06/06/12 5.18 5.68 6.16 6.32 7.3 6.39 6.12 5.18
11/14/12 5.42 5.81 6.25 6.18 6.37 6.07
05/13/13 5.28 5.28 5.80 6.23 6.10 5.86 4.87
11/12/13 5.26 5.20 5.78 6.39 6.53 7.23 5.58
05/13/14 4.51 5.73 6.01 6.09 6.54 7.10 5.29
11/11/14 5.60 5.68 6.04 6.02 6.37 7.04 5.21
05/13/15 5.73 5.48 5.92 6.19 6.64 7.24 5.21
11/10/15 5.72 7.90 8.38 6.28 6.50 7.21 5.06
05/18/16 5.77 6.15 6.59 6.34 6.70 7.38 5.73
11/15/16 5.89 5.80 6.31 6.23 6.53 7.22 5.68
05/30/17 5.63 5.69 6.12 5.99 6.26 7.16 5.33
11/14/17 5.60 5.60 6.17 6.21 6.31 7.14 5.27
05/14/18 4.96 5.47 5.91 6.16 6.20 7.19 5.44
11/14/18 6.87 6.84 7.24 7.14 7.32 8.17 6.80
05/20/19 5.87 6.01 6.35 6.18 6.46 7.29 5.79
11/20/19 5.61 5.70 6.00 6.00 6.19 7.06 5.31
05/19/20 5.48 5.27 5.76 6.04 6.19 6.96 5.34
11/17/20 5.59 5.80 6.17 6.31 6.24 7.22 5.64
05/18/21 5.32 5.38 5.84 5.85 6.09 7.05 5.40
11/23/21 5.58 5.90 6.25 6.11 6.43 7.21 5.52
05/23/22 5.64 5.63 5.99 6.06 6.31 7.23 5.59
11/08/22 5.67 5.68 6.05 6.01 6.24 7.04 5.31
05/03/23 5.11 6.26 6.31 7.82 6.91 7.85 6.65
11/20/23 5.48 5.52 5.64 5.89 6.02 7.02 5.29
05/08/24 5.72 5.42 5.21 5.69 6.51 7.05 5.86
average = 5.59 5.84 6.19 6.24 7.11 6.39 6.05 7.23 5.51
standard deviation = 0.41 0.55 0.55 0.39 0.52 0.27 0.11 0.28 0.44
Temperature (degrees C) 06/23/10 17.50 NM 15.90 16.40 NM 16.60 14.90 16.90 17.00
11/17/10 15.30 17.20 15.70 15.50 NM 15.90 15.00 16.90 16.30
05/24/11 16.10 15.60 16.30 NM 14.80 14.72 15.57 14.90
11/15/11 15.92 15.89 15.76 14.58 14.72 16.36 15.95
06/06/12 15.80 15.70 15.90 14.80 14.50 15.70 15.40 16.10
11/14/12 15.62 15.61 15.33 15.23 16.70 16.31
05/13/13 15.50 15.72 16.00 13.27 14.47 13.64 15.89
11/12/13 15.51 15.63 16.06 16.15 16.74 15.65 16.38
05/13/14 16.10 15.60 15.80 16.10 14.60 14.60 15.70
11/11/14 15.67 15.42 15.31 16.29 17.04 16.10 16.40
05/13/15 16.27 15.31 15.65 13.46 14.61 14.40 15.58
11/10/15 15.63 15.48 15.40 15.79 16.96 15.61 16.50
05/18/16 15.63 15.36 15.30 13.81 15.11 14.62 15.78
11/15/16 15.5 15.4 15.2 16.5 17.5 16.1 16.5
05/30/17 15.9 15.6 15.6 14.6 15.9 16.3 16.2
11/14/17 16.4 16.4 15.5 15.5 17.4 15.8 16.7
05/14/18 16.0 16.2 15.8 13.9 14.8 15.4 16.2
11/14/18 15.7 15.5 15.3 16.5 17.2 15.9 16.6
05/20/19 16.2 15.6 15.6 14.1 15.4 15.3 16.4
11/20/19 15.6 15.7 15.5 16.2 17.4 16.0 17.1
05/19/20 15.9 15.5 15.4 13.9 15.7 14.8 16.6
11/17/20 16.0 15.5 15.4 16.5 18.0 16.3 17.5
05/18/21 16.0 15.6 15.6 13.6 16.0 14.9 16.7
11/23/21 15.9 15.4 15.2 15.5 16.8 15.8 17.0
05/23/22 16.3 15.5 15.5 14.4 16.9 15.2 16.6
11/08/22 16.3 15.6 15.5 16.3 17.7 16.2 16.9
05/03/23 15.1 15.5 15.5 14.8 15.6 14.9 16.4
11/20/23 15.4 15.6 15.4 16.1 17.1 15.8 16.6
05/08/24 16.1 15.6 16.3 16.1 15.7 15.6 16.7
average = 15.89 15.62 15.62 15.22 14.77 16.30 15.64 15.51 16.46
standard deviation = 0.45 0.23 0.33 1.08 0.19 1.01 1.11 0.59 0.45
INDICATOR PARAMETERS
MW-201R MW-204S MW-204D MW-209 MW-210DMW-210
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
MW-110DConstituent Sample Date MW-4 MW-5 MW-110S MW-211R
INDICATOR PARAMETERS
MW-201R MW-204S MW-204D MW-209 MW-210DMW-210
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
MW-110DConstituent Sample Date MW-4 MW-5 MW-110S MW-211R
Specific Conductance (mS/cm)06/23/10 0.065 NM 0.075 0.120 NM 0.445 0.313 0.279 2.690
11/17/10 0.063 0.323 0.074 0.105 NM 0.362 0.300 0.258 1.354
05/24/11 0.070 0.080 0.121 NM 0.414 0.322 0.256 2.297
11/15/11 0.064 0.074 0.110 0.328 0.259 0.210 1.050
06/06/12 0.070 0.080 0.111 0.417 0.320 0.269 3.398 0.062
11/14/12 0.073 0.084 0.130 0.581 0.281 2.338
05/13/13 0.072 0.080 0.126 0.360 0.290 2.543 0.063
11/12/13 0.072 0.080 0.123 0.438 0.336 0.470 0.085
05/13/14 0.081 0.084 0.128 0.748 0.310 0.456 0.066
11/11/14 0.075 0.088 0.131 0.831 0.314 0.484 0.084
05/13/15 0.076 0.086 0.139 0.740 0.324 0.454 0.072
11/10/15 0.076 0.086 0.142 0.701 0.331 0.479 0.085
05/18/16 0.078 0.086 0.138 0.788 0.325 0.447 0.072
11/15/16 0.074 0.087 0.141 0.764 0.306 0.444 0.104
05/30/17 0.076 0.087 0.145 0.623 0.306 0.422 0.108
11/14/17 0.089 0.089 0.150 0.815 0.305 0.410 0.090
05/14/18 0.082 0.104 0.161 0.558 0.329 0.437 0.190
11/14/18 0.081 0.087 0.145 0.569 0.326 0.427 0.151
05/20/19 0.084 0.098 0.154 0.751 0.305 0.456 0.122
11/20/19 0.067 0.096 0.152 0.913 0.291 0.444 0.124
05/19/20 0.079 0.086 0.142 0.456 0.287 0.404 0.141
11/17/20 0.078 0.087 0.144 0.415 0.279 0.404 0.232
05/18/21 0.085 0.092 0.153 0.714 0.276 0.442 0.156
11/23/21 0.082 0.093 0.131 0.512 0.250 0.440 0.131
05/23/22 0.086 0.093 0.153 0.600 0.283 0.436 0.176
11/08/22 0.083 0.094 0.156 0.652 0.257 0.416 0.142
05/03/23 0.077 0.074 0.120 0.310 0.244 0.367 0.220
11/20/23 0.087 0.096 0.126 0.637 0.245 0.434 0.146
05/08/24 0.091 0.091 121.000 0.561 0.292 0.428 0.306
average = 0.077 0.087 4.303 0.586 0.303 0.288 2.239 0.436 0.130
standard deviation = 0.007 0.008 22.444 0.170 0.026 0.031 0.801 0.027 0.061
Dissolved Oxygen (%)06/23/10 63.1 NM 33.8 18.5 NM 12.7 5.7 5.4 10.4
11/17/10 66.5 49.3 31.1 21.2 NM 19.6 6.1 4.7 20.3
05/24/11 103.0 24.8 13.4 NM 25.6 21.0 0.9 1.6
11/15/11 68.8 24.6 10.4 15.9 8.6 12.6 5.8
06/06/12 77.8 20.0 51.7 19.8 2.0 1.5 8.7 5.7
11/14/12 63.6 15.5 13.2 12.0 6.7 2.6
05/13/13 62.4 18.3 14.5 15.5 75.2 22.2 6.8
11/12/13 63.7 20.3 20.5 19.8 8.8 2.2 10.0
05/13/14 60.7 19.0 1.8 28.5 0.8 1.2 1.4
11/11/14 59.5 15.7 3.2 8.0 9.4 6.8 4.4
05/13/15 69.0 40.1 22.2 26.8 30.1 19.9 29.6
11/10/15 71.0 27.0 7.1 47.7 15.8 21.8 14.3
05/18/16 57.3 53.5 1.2 7.4 3.0 2.4 1.9
11/15/16 60.7 16.9 -0.3 1.5 1.3 5.9 -1.1
05/30/17 63.7 18.9 0.7 3.3 1.6 6.6 2.5
11/14/17 17.0 17.0 1.9 16.5 6.4 4.6 4.2
05/14/18 60.6 22.7 5.2 7.3 5.0 13.6 4.6
11/14/18 56.4 18.6 -1.4 1 -0.9 9.1 -2.2
05/20/19 63.1 22.2 -0.5 0.8 -0.4 5.1 -0.9
11/20/19 58.2 14.7 0.6 11.4 4.0 13.3 0.1
05/19/20 62.3 23.7 1.0 2.3 0.8 14.4 0.6
11/17/20 55.5 21.0 1.1 4.2 1.8 15.9 0.6
05/18/21 61.7 22.7 1.9 3.1 1.9 12.0 1.7
11/23/21 56.0 18.2 3.7 7.6 19.5 18.3 3.7
05/23/22 54.4 15.6 -3.9 -2.7 -3.1 9.2 -3.8
11/08/22 53.0 16.7 0.0 14.7 0.9 14.4 -0.8
DO % calculated from mg/L (mg/L/9.3) 05/03/23 50.0 20.1 3.0 20.2 10.1 30.2 13.5
11/20/23 57.8 21.0 14.0 14.0 10.4 23.0 8.0
05/08/24 55.0 6.5 8.5 12.0 8.1 18.0 9.0
average = 61.10 22.08 8.08 12.98 8.68 8.35 10.23 12.18 4.74
standard deviation = 12.88 8.77 11.29 10.67 7.28 14.61 8.16 7.66 7.09
INDICATOR PARAMETERS
MW-201R MW-204S MW-204D MW-209 MW-210DMW-210
CLIENT: ORANGE COUNTY SOLID WASTE MANAGEMENT
FACILITY: ACTIVE C&D FACILITY
LOCATION: CHAPEL HILL, NORTH CAROLINA
PROJECT: GROUNDWATER MONITORING PROGRAM
HISTORY OF CHEMICAL ANALYSIS
MW-110DConstituent Sample Date MW-4 MW-5 MW-110S MW-211R
Turbidity (NTUs)06/23/10 178 NM 18 33 NM 70 13.7 52 126
11/17/10 38 48 4 30 NM 189 5 21 740
05/24/11 39.7 5 91 NM 38 7 75 40
11/15/11 14.9 9.1 23.4 153 5.6 20.1 145
06/06/12 27.4 2.6 19 171 4.4 34.8 18.5 5.4
11/14/12 9.7 2.3 21 12.7 18.3 44
05/13/13 6.9 4.9 16.4 2.6 6.9 132.0 2.0
11/12/13 6.0 4.7 59.1 1.6 14.9 4.0 0.5
05/13/14 3.7 4.4 15.7 17.3 52.0 0.9 7.6
11/11/14 3.6 6.4 62.7 7.2 46.8 0.7 1.5
05/13/15 1.8 2.5 11.0 28.2 27.1 0.5 2.1
11/10/15 2.8 5.2 4.8 0 35.6 0.0 0
05/18/16 0.8 3.4 6.8 2 39.0 0.0 1.7
11/15/16 1.9 3.9 8.4 7.8 66.60 1.3 1.3
05/30/17 2.7 3.2 8.2 16.6 10.00 21.3 2.6
11/14/17 2.3 2.3 7.6 10.7 14.9 0.4 0.4
05/14/18 0.1 0.1 4.3 3.5 45.1 0.1 0.1
11/14/18 3.0 2.4 4.1 2.3 52.1 7.2 2.4
05/20/19 0.5 1.5 2.7 0.6 16.0 14.2 2.3
11/20/19 8.3 4.8 13.4 2.3 34.0 5.9 3.1
05/19/20 4.6 9.0 44.0
11/17/20 8.8 24.5 9.1 12 52.0 3.5 2.9
05/18/21 10.7 5.9 8.9 3.5 40.0 25.1 11.2
11/23/21 7.3 0.9 7.4 9.1 13.0 2.8 5.2
05/23/22 16.4 4.4 7.0 14.2 49.0 3.7 5.1
11/08/22 8.1 5.1 8.5 24.0 46.0 6.5 3.2
05/03/23 6.15 7.8 8.8 5.9 171.0 2.9 3.8
11/20/23 2.9 6.8 14.0 4.1 4.4 0.92 4.0
05/08/24 3.1 4.2 72.0 8.9 6.4 4.80 6.1
average = 14.84 5.34 20.25 29.22 7.14 38.21 177.93 5.08 3.24
standard deviation = 33.59 4.90 22.48 52.27 3.79 31.75 253.05 6.92 2.64
ORP (meV)06/23/10 150.6 NM 69 72 NM 15.9 -88.7 -10.2 72
11/17/10 180 -61.9 91.6 110.7 NM 52.3 -72.1 48.9 138.6
05/24/11 129 102 80 NM 57 -63.8 12.2 125
11/15/11 141 111.3 87.4 89.1 52.2 89.7 101.5
06/06/12 324 187.5 127.9 36.5 -66.6 73.1 143.6 149.8
11/14/12 94 65.4 42.4 0.2 15.3 30.7
05/13/13 267 179.5 102.8 97.8 94.5 149 172.6
11/12/13 262 182.2 113.2 43.3 22.2 -80.8 119.1
05/13/14 174 116.2 83.1 52.0 41.0 -2.4 113.9
11/11/14 223 158.2 128.5 91.7 73.2 9.7 145.3
05/13/15 137 210.1 173.0 123.9 95.4 72.8 181
11/10/15 -18.2 -84.7 -136.7 -91.4 -151.6 -149.2 -162.1
05/18/16 141.5 88.9 88.7 87.5 51.1 38.3 124.7
11/15/16 233 201.6 116.1 88.8 83.20 -28.9 145.0
05/30/17 236.6 243.3 139.3 128 146.00 9.4 150.7
11/14/17 103.0 103.0 64.2 74.9 57.9 -16.6 105.1
05/14/18 -91 -108 -320 -323 -368 -279 -380
11/14/18 326 319 112 68 212 -8.4 96
05/20/19 404 360 223 190 120 65.0 121
11/20/19 34.5 367 314 301 170 116 142
05/19/20 254 336 182 167 49.3 21.9 92
11/17/20 310 282 265 88 94.0 38.0 111
05/18/21 303 273 242 344 62.0 148.0 155
11/23/21 326 175 131 100 121 -9.7 107
05/23/22 164 217 162 158 112 40 108
11/08/22 185 176 103 114 107 -6 24
05/03/23 132 74 38 -8.6 31 -2.4 -3
11/20/23 209 221 241 176 104 36 100
05/08/24 141 156 176 123 -81 36 122
average = 188.79 168.04 112.45 84.30 -47.80 50.87 108.63 2.17 85.01
standard deviation = 108.81 113.72 118.44 116.03 56.73 106.86 43.75 87.42 121.27
All values are last recorded immediately prior to sample collection.
Upgradient wells shaded yellow.
NM - Not Measured; well sampled with Hydrasleeve

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 7: Laboratory Certificates of Analysis, Chains of Custody Quality Control Information

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 7: Active C & D Wells
#=CL#
May 24, 2024
LIMS USE: FR - DEBORAH COAKLEY
LIMS OBJECT ID: 92730105
92730105
Project:
Pace Project No.:
RE:
Deborah Ann Coakley
TRC Companies
1030 Wilmer Ave.
Suite 100
Richmond, VA 23227
OCSWM SPRING-C&D
Dear Deborah Coakley:
Enclosed are the analytical results for sample(s) received by the laboratory on May 08, 2024. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sarah Graham for
[e-mail]
Project Manager
Matthew Brainard
704-977-0942
Enclosures
cc: Sean Jarvah, TRC Companies
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 1 of 35
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water #: LA029
Virginia/VELAP Certification #: 460221
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
South Carolina Laboratory ID: 99030
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 35
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92730105001 6804-MW204S EPA 6010D 15 PASI-ADBB1
EPA 6020B 2 PASI-AKRL
EPA 7470A 1 PASI-ABM
EPA 8260D 51 PASI-CJJK
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-AJMH1
EPA 300.0 Rev 2.1 1993 2 PASI-AJCM
92730105002 6804-MW209 EPA 6010D 15 PASI-ADBB1
EPA 6020B 2 PASI-AKRL
EPA 7470A 1 PASI-ABM
EPA 8260D 51 PASI-CJJK
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-AJMH1
EPA 300.0 Rev 2.1 1993 2 PASI-AJCM
92730105003 6804-MW210D EPA 6010D 15 PASI-ADBB1
EPA 6020B 2 PASI-AKRL
EPA 7470A 1 PASI-ABM
EPA 8260D 51 PASI-CJJK
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-AJMH1
EPA 300.0 Rev 2.1 1993 2 PASI-AJCM
92730105004 6804-MW211R EPA 6010D 15 PASI-ADBB1
EPA 6020B 2 PASI-AKRL
EPA 7470A 1 PASI-ABM
EPA 8260D 51 PASI-CJJK
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-AJMH1
EPA 300.0 Rev 2.1 1993 2 PASI-AJCM
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 3 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW204S Lab ID: 92730105001 Collected: 05/08/24 11:35 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 21:23 7440-36-005/21/24 12:405.0 1
Arsenic ND ug/L 05/22/24 21:23 7440-38-205/21/24 12:4010.0 1
Barium 19.8 ug/L 05/22/24 21:23 7440-39-305/21/24 12:405.0 1
Beryllium ND ug/L 05/22/24 21:23 7440-41-705/21/24 12:401.0 1
Cadmium ND ug/L 05/22/24 21:23 7440-43-905/21/24 12:401.0 1
Chromium ND ug/L 05/22/24 21:23 7440-47-305/21/24 12:405.0 1
Copper ND ug/L 05/22/24 21:23 7440-50-805/21/24 12:405.0 1
Iron 65.2 ug/L 05/22/24 21:23 7439-89-605/21/24 12:4050.0 1
Lead ND ug/L 05/22/24 21:23 7439-92-105/21/24 12:405.0 1
Manganese 220 ug/L 05/22/24 21:23 7439-96-505/21/24 12:405.0 1
Nickel ND ug/L 05/22/24 21:23 7440-02-005/21/24 12:405.0 1
Selenium ND ug/L 05/22/24 21:23 7782-49-205/21/24 12:4010.0 1
Silver ND ug/L 05/22/24 21:23 7440-22-405/21/24 12:405.0 1
Vanadium ND ug/L 05/22/24 21:23 7440-62-205/21/24 12:405.0 1
Zinc ND ug/L 05/22/24 21:23 7440-66-605/21/24 12:4010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt ND ug/L 05/13/24 01:50 7440-48-405/12/24 13:201.0 1
Thallium ND ug/L 05/13/24 01:50 7440-28-005/12/24 13:200.20 1
Analytical Method: EPA 7470A Preparation Method: EPA 7470A
Pace Analytical Services - Asheville
7470 Mercury
Mercury ND ug/L 05/16/24 10:41 7439-97-605/15/24 11:180.20 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/14/24 02:23 67-64-125.0 1
Acrylonitrile ND ug/L 05/14/24 02:23 107-13-110.0 1
Benzene ND ug/L 05/14/24 02:23 71-43-21.0 1
Bromochloromethane ND ug/L 05/14/24 02:23 74-97-51.0 1
Bromodichloromethane ND ug/L 05/14/24 02:23 75-27-41.0 1
Bromoform ND ug/L 05/14/24 02:23 75-25-2 v21.0 1
Bromomethane ND ug/L 05/14/24 02:23 74-83-9 v22.0 1
2-Butanone (MEK)ND ug/L 05/14/24 02:23 78-93-35.0 1
Carbon disulfide ND ug/L 05/14/24 02:23 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/14/24 02:23 56-23-51.0 1
Chlorobenzene ND ug/L 05/14/24 02:23 108-90-71.0 1
Chloroethane ND ug/L 05/14/24 02:23 75-00-3 v21.0 1
Chloroform 1.1 ug/L 05/14/24 02:23 67-66-31.0 1
Chloromethane ND ug/L 05/14/24 02:23 74-87-31.0 1
Dibromochloromethane ND ug/L 05/14/24 02:23 124-48-11.0 1
Dibromomethane ND ug/L 05/14/24 02:23 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/14/24 02:23 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/14/24 02:23 106-46-71.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 4 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW204S Lab ID: 92730105001 Collected: 05/08/24 11:35 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
trans-1,4-Dichloro-2-butene ND ug/L 05/14/24 02:23 110-57-6 v21.0 1
1,1-Dichloroethane ND ug/L 05/14/24 02:23 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/14/24 02:23 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/14/24 02:23 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/14/24 02:23 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/14/24 02:23 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/14/24 02:23 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/14/24 02:23 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/14/24 02:23 10061-02-61.0 1
Ethylbenzene ND ug/L 05/14/24 02:23 100-41-41.0 1
2-Hexanone ND ug/L 05/14/24 02:23 591-78-65.0 1
Iodomethane ND ug/L 05/14/24 02:23 74-88-420.0 1
Methylene Chloride ND ug/L 05/14/24 02:23 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/14/24 02:23 108-10-15.0 1
Styrene ND ug/L 05/14/24 02:23 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/14/24 02:23 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/14/24 02:23 79-34-51.0 1
Tetrachloroethene ND ug/L 05/14/24 02:23 127-18-41.0 1
Tetrahydrofuran ND ug/L 05/14/24 02:23 109-99-910.0 1
Toluene ND ug/L 05/14/24 02:23 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/14/24 02:23 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/14/24 02:23 79-00-51.0 1
Trichloroethene ND ug/L 05/14/24 02:23 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/14/24 02:23 75-69-4 v21.0 1
1,2,3-Trichloropropane ND ug/L 05/14/24 02:23 96-18-41.0 1
Vinyl acetate ND ug/L 05/14/24 02:23 108-05-42.0 1
Vinyl chloride ND ug/L 05/14/24 02:23 75-01-41.0 1
Xylene (Total)ND ug/L 05/14/24 02:23 1330-20-71.0 1
m&p-Xylene ND ug/L 05/14/24 02:23 179601-23-12.0 1
o-Xylene ND ug/L 05/14/24 02:23 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)98 %05/14/24 02:23 460-00-470-130 1
1,2-Dichloroethane-d4 (S)107 %05/14/24 02:23 17060-07-070-130 1
Toluene-d8 (S)102 %05/14/24 02:23 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/13/24 06:44 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)99 %05/13/24 06:44 17060-07-067-130 1
Toluene-d8 (S)101 %05/13/24 06:44 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 231 mg/L 05/15/24 19:345.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 5 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW204S Lab ID: 92730105001 Collected: 05/08/24 11:35 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 407 mg/L 05/14/24 13:4125.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 33.9 mg/L 05/11/24 15:55 16887-00-61.0 1
Sulfate 21.1 mg/L 05/11/24 15:55 14808-79-81.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 6 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW209 Lab ID: 92730105002 Collected: 05/08/24 10:55 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 21:25 7440-36-005/21/24 12:405.0 1
Arsenic ND ug/L 05/22/24 21:25 7440-38-205/21/24 12:4010.0 1
Barium 32.8 ug/L 05/22/24 21:25 7440-39-305/21/24 12:405.0 1
Beryllium ND ug/L 05/22/24 21:25 7440-41-705/21/24 12:401.0 1
Cadmium ND ug/L 05/22/24 21:25 7440-43-905/21/24 12:401.0 1
Chromium ND ug/L 05/22/24 21:25 7440-47-305/21/24 12:405.0 1
Copper 7.1 ug/L 05/22/24 21:25 7440-50-805/21/24 12:405.0 1
Iron 997 ug/L 05/22/24 21:25 7439-89-605/21/24 12:4050.0 1
Lead ND ug/L 05/22/24 21:25 7439-92-105/21/24 12:405.0 1
Manganese 1330 ug/L 05/22/24 21:25 7439-96-505/21/24 12:405.0 1
Nickel ND ug/L 05/22/24 21:25 7440-02-005/21/24 12:405.0 1
Selenium ND ug/L 05/22/24 21:25 7782-49-205/21/24 12:4010.0 1
Silver ND ug/L 05/22/24 21:25 7440-22-405/21/24 12:405.0 1
Vanadium ND ug/L 05/22/24 21:25 7440-62-205/21/24 12:405.0 1
Zinc 42.2 ug/L 05/22/24 21:25 7440-66-605/21/24 12:4010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt 5.0 ug/L 05/13/24 02:02 7440-48-405/12/24 13:201.0 1
Thallium ND ug/L 05/13/24 02:02 7440-28-005/12/24 13:200.20 1
Analytical Method: EPA 7470A Preparation Method: EPA 7470A
Pace Analytical Services - Asheville
7470 Mercury
Mercury ND ug/L 05/16/24 10:44 7439-97-605/15/24 11:180.20 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/14/24 02:41 67-64-125.0 1
Acrylonitrile ND ug/L 05/14/24 02:41 107-13-110.0 1
Benzene ND ug/L 05/14/24 02:41 71-43-21.0 1
Bromochloromethane ND ug/L 05/14/24 02:41 74-97-51.0 1
Bromodichloromethane ND ug/L 05/14/24 02:41 75-27-41.0 1
Bromoform ND ug/L 05/14/24 02:41 75-25-2 v21.0 1
Bromomethane ND ug/L 05/14/24 02:41 74-83-9 v22.0 1
2-Butanone (MEK)ND ug/L 05/14/24 02:41 78-93-35.0 1
Carbon disulfide ND ug/L 05/14/24 02:41 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/14/24 02:41 56-23-51.0 1
Chlorobenzene ND ug/L 05/14/24 02:41 108-90-71.0 1
Chloroethane ND ug/L 05/14/24 02:41 75-00-3 v21.0 1
Chloroform ND ug/L 05/14/24 02:41 67-66-31.0 1
Chloromethane ND ug/L 05/14/24 02:41 74-87-31.0 1
Dibromochloromethane ND ug/L 05/14/24 02:41 124-48-11.0 1
Dibromomethane ND ug/L 05/14/24 02:41 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/14/24 02:41 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/14/24 02:41 106-46-71.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 7 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW209 Lab ID: 92730105002 Collected: 05/08/24 10:55 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
trans-1,4-Dichloro-2-butene ND ug/L 05/14/24 02:41 110-57-6 v21.0 1
1,1-Dichloroethane ND ug/L 05/14/24 02:41 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/14/24 02:41 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/14/24 02:41 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/14/24 02:41 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/14/24 02:41 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/14/24 02:41 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/14/24 02:41 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/14/24 02:41 10061-02-61.0 1
Ethylbenzene ND ug/L 05/14/24 02:41 100-41-41.0 1
2-Hexanone ND ug/L 05/14/24 02:41 591-78-65.0 1
Iodomethane ND ug/L 05/14/24 02:41 74-88-420.0 1
Methylene Chloride ND ug/L 05/14/24 02:41 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/14/24 02:41 108-10-15.0 1
Styrene ND ug/L 05/14/24 02:41 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/14/24 02:41 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/14/24 02:41 79-34-51.0 1
Tetrachloroethene ND ug/L 05/14/24 02:41 127-18-41.0 1
Tetrahydrofuran ND ug/L 05/14/24 02:41 109-99-910.0 1
Toluene ND ug/L 05/14/24 02:41 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/14/24 02:41 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/14/24 02:41 79-00-51.0 1
Trichloroethene ND ug/L 05/14/24 02:41 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/14/24 02:41 75-69-4 v21.0 1
1,2,3-Trichloropropane ND ug/L 05/14/24 02:41 96-18-41.0 1
Vinyl acetate ND ug/L 05/14/24 02:41 108-05-42.0 1
Vinyl chloride ND ug/L 05/14/24 02:41 75-01-41.0 1
Xylene (Total)ND ug/L 05/14/24 02:41 1330-20-71.0 1
m&p-Xylene ND ug/L 05/14/24 02:41 179601-23-12.0 1
o-Xylene ND ug/L 05/14/24 02:41 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)96 %05/14/24 02:41 460-00-470-130 1
1,2-Dichloroethane-d4 (S)108 %05/14/24 02:41 17060-07-070-130 1
Toluene-d8 (S)104 %05/14/24 02:41 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/12/24 18:32 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)101 %05/12/24 18:32 17060-07-067-130 1
Toluene-d8 (S)99 %05/12/24 18:32 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 84.2 mg/L 05/15/24 19:505.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 8 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW209 Lab ID: 92730105002 Collected: 05/08/24 10:55 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 164 mg/L 05/14/24 13:4125.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 8.2 mg/L 05/11/24 16:10 16887-00-61.0 1
Sulfate 30.6 mg/L 05/11/24 16:10 14808-79-81.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 9 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW210D Lab ID: 92730105003 Collected: 05/08/24 12:15 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 21:21 7440-36-005/20/24 12:305.0 1
Arsenic ND ug/L 05/22/24 21:21 7440-38-205/20/24 12:3010.0 1
Barium 11.9 ug/L 05/22/24 21:21 7440-39-305/20/24 12:305.0 1
Beryllium ND ug/L 05/22/24 21:21 7440-41-705/20/24 12:301.0 1
Cadmium ND ug/L 05/22/24 21:21 7440-43-905/20/24 12:301.0 1
Chromium ND ug/L 05/22/24 21:21 7440-47-305/20/24 12:305.0 1
Copper ND ug/L 05/22/24 21:21 7440-50-805/20/24 12:305.0 1
Iron 70.2 ug/L 05/22/24 21:21 7439-89-605/20/24 12:3050.0 1
Lead ND ug/L 05/22/24 21:21 7439-92-105/20/24 12:305.0 1
Manganese 493 ug/L 05/22/24 21:21 7439-96-505/20/24 12:305.0 1
Nickel ND ug/L 05/22/24 21:21 7440-02-005/20/24 12:305.0 1
Selenium ND ug/L 05/22/24 21:21 7782-49-205/20/24 12:3010.0 1
Silver ND ug/L 05/22/24 21:21 7440-22-405/20/24 12:305.0 1
Vanadium ND ug/L 05/22/24 21:21 7440-62-205/20/24 12:305.0 1
Zinc ND ug/L 05/22/24 21:21 7440-66-605/20/24 12:3010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt ND ug/L 05/13/24 02:21 7440-48-405/12/24 13:201.0 1
Thallium ND ug/L 05/13/24 02:21 7440-28-005/12/24 13:200.20 1
Analytical Method: EPA 7470A Preparation Method: EPA 7470A
Pace Analytical Services - Asheville
7470 Mercury
Mercury ND ug/L 05/16/24 10:50 7439-97-605/15/24 11:180.20 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/14/24 02:59 67-64-125.0 1
Acrylonitrile ND ug/L 05/14/24 02:59 107-13-110.0 1
Benzene ND ug/L 05/14/24 02:59 71-43-21.0 1
Bromochloromethane ND ug/L 05/14/24 02:59 74-97-51.0 1
Bromodichloromethane ND ug/L 05/14/24 02:59 75-27-41.0 1
Bromoform ND ug/L 05/14/24 02:59 75-25-2 v21.0 1
Bromomethane ND ug/L 05/14/24 02:59 74-83-9 v22.0 1
2-Butanone (MEK)ND ug/L 05/14/24 02:59 78-93-35.0 1
Carbon disulfide ND ug/L 05/14/24 02:59 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/14/24 02:59 56-23-51.0 1
Chlorobenzene ND ug/L 05/14/24 02:59 108-90-71.0 1
Chloroethane ND ug/L 05/14/24 02:59 75-00-3 v21.0 1
Chloroform ND ug/L 05/14/24 02:59 67-66-31.0 1
Chloromethane ND ug/L 05/14/24 02:59 74-87-31.0 1
Dibromochloromethane ND ug/L 05/14/24 02:59 124-48-11.0 1
Dibromomethane ND ug/L 05/14/24 02:59 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/14/24 02:59 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/14/24 02:59 106-46-71.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 10 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW210D Lab ID: 92730105003 Collected: 05/08/24 12:15 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
trans-1,4-Dichloro-2-butene ND ug/L 05/14/24 02:59 110-57-6 v21.0 1
1,1-Dichloroethane ND ug/L 05/14/24 02:59 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/14/24 02:59 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/14/24 02:59 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/14/24 02:59 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/14/24 02:59 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/14/24 02:59 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/14/24 02:59 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/14/24 02:59 10061-02-61.0 1
Ethylbenzene ND ug/L 05/14/24 02:59 100-41-41.0 1
2-Hexanone ND ug/L 05/14/24 02:59 591-78-65.0 1
Iodomethane ND ug/L 05/14/24 02:59 74-88-420.0 1
Methylene Chloride ND ug/L 05/14/24 02:59 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/14/24 02:59 108-10-15.0 1
Styrene ND ug/L 05/14/24 02:59 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/14/24 02:59 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/14/24 02:59 79-34-51.0 1
Tetrachloroethene ND ug/L 05/14/24 02:59 127-18-41.0 1
Tetrahydrofuran ND ug/L 05/14/24 02:59 109-99-910.0 1
Toluene ND ug/L 05/14/24 02:59 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/14/24 02:59 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/14/24 02:59 79-00-51.0 1
Trichloroethene ND ug/L 05/14/24 02:59 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/14/24 02:59 75-69-4 v21.0 1
1,2,3-Trichloropropane ND ug/L 05/14/24 02:59 96-18-41.0 1
Vinyl acetate ND ug/L 05/14/24 02:59 108-05-42.0 1
Vinyl chloride ND ug/L 05/14/24 02:59 75-01-41.0 1
Xylene (Total)ND ug/L 05/14/24 02:59 1330-20-71.0 1
m&p-Xylene ND ug/L 05/14/24 02:59 179601-23-12.0 1
o-Xylene ND ug/L 05/14/24 02:59 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)108 %05/14/24 02:59 460-00-470-130 1
1,2-Dichloroethane-d4 (S)107 %05/14/24 02:59 17060-07-070-130 1
Toluene-d8 (S)101 %05/14/24 02:59 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/12/24 19:30 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)97 %05/12/24 19:30 17060-07-067-130 1
Toluene-d8 (S)100 %05/12/24 19:30 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 201 mg/L 05/15/24 20:105.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW210D Lab ID: 92730105003 Collected: 05/08/24 12:15 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 291 mg/L 05/14/24 13:4125.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 15.3 mg/L 05/11/24 17:25 16887-00-61.0 1
Sulfate 16.2 mg/L 05/11/24 17:25 14808-79-81.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 12 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW211R Lab ID: 92730105004 Collected: 05/08/24 12:50 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 21:34 7440-36-005/20/24 12:305.0 1
Arsenic ND ug/L 05/22/24 21:34 7440-38-205/20/24 12:3010.0 1
Barium 172 ug/L 05/22/24 21:34 7440-39-305/20/24 12:305.0 1
Beryllium ND ug/L 05/22/24 21:34 7440-41-705/20/24 12:301.0 1
Cadmium ND ug/L 05/22/24 21:34 7440-43-905/20/24 12:301.0 1
Chromium ND ug/L 05/22/24 21:34 7440-47-305/20/24 12:305.0 1
Copper ND ug/L 05/22/24 21:34 7440-50-805/20/24 12:305.0 1
Iron 609 ug/L 05/22/24 21:34 7439-89-605/20/24 12:3050.0 1
Lead ND ug/L 05/22/24 21:34 7439-92-105/20/24 12:305.0 1
Manganese 4340 ug/L 05/22/24 21:34 7439-96-505/20/24 12:305.0 1
Nickel ND ug/L 05/22/24 21:34 7440-02-005/20/24 12:305.0 1
Selenium ND ug/L 05/22/24 21:34 7782-49-205/20/24 12:3010.0 1
Silver ND ug/L 05/22/24 21:34 7440-22-405/20/24 12:305.0 1
Vanadium ND ug/L 05/22/24 21:34 7440-62-205/20/24 12:305.0 1
Zinc ND ug/L 05/22/24 21:34 7440-66-605/20/24 12:3010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt 21.6 ug/L 05/13/24 02:25 7440-48-405/12/24 13:201.0 1
Thallium ND ug/L 05/13/24 02:25 7440-28-005/12/24 13:200.20 1
Analytical Method: EPA 7470A Preparation Method: EPA 7470A
Pace Analytical Services - Asheville
7470 Mercury
Mercury ND ug/L 05/16/24 10:53 7439-97-605/15/24 11:180.20 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/14/24 03:17 67-64-125.0 1
Acrylonitrile ND ug/L 05/14/24 03:17 107-13-110.0 1
Benzene ND ug/L 05/14/24 03:17 71-43-21.0 1
Bromochloromethane ND ug/L 05/14/24 03:17 74-97-51.0 1
Bromodichloromethane ND ug/L 05/14/24 03:17 75-27-41.0 1
Bromoform ND ug/L 05/14/24 03:17 75-25-2 v21.0 1
Bromomethane ND ug/L 05/14/24 03:17 74-83-9 v22.0 1
2-Butanone (MEK)ND ug/L 05/14/24 03:17 78-93-35.0 1
Carbon disulfide ND ug/L 05/14/24 03:17 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/14/24 03:17 56-23-51.0 1
Chlorobenzene ND ug/L 05/14/24 03:17 108-90-71.0 1
Chloroethane ND ug/L 05/14/24 03:17 75-00-3 v21.0 1
Chloroform ND ug/L 05/14/24 03:17 67-66-31.0 1
Chloromethane ND ug/L 05/14/24 03:17 74-87-31.0 1
Dibromochloromethane ND ug/L 05/14/24 03:17 124-48-11.0 1
Dibromomethane ND ug/L 05/14/24 03:17 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/14/24 03:17 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/14/24 03:17 106-46-71.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 13 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW211R Lab ID: 92730105004 Collected: 05/08/24 12:50 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
trans-1,4-Dichloro-2-butene ND ug/L 05/14/24 03:17 110-57-6 v21.0 1
1,1-Dichloroethane ND ug/L 05/14/24 03:17 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/14/24 03:17 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/14/24 03:17 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/14/24 03:17 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/14/24 03:17 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/14/24 03:17 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/14/24 03:17 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/14/24 03:17 10061-02-61.0 1
Ethylbenzene ND ug/L 05/14/24 03:17 100-41-41.0 1
2-Hexanone ND ug/L 05/14/24 03:17 591-78-65.0 1
Iodomethane ND ug/L 05/14/24 03:17 74-88-420.0 1
Methylene Chloride ND ug/L 05/14/24 03:17 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/14/24 03:17 108-10-15.0 1
Styrene ND ug/L 05/14/24 03:17 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/14/24 03:17 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/14/24 03:17 79-34-51.0 1
Tetrachloroethene ND ug/L 05/14/24 03:17 127-18-41.0 1
Tetrahydrofuran ND ug/L 05/14/24 03:17 109-99-910.0 1
Toluene ND ug/L 05/14/24 03:17 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/14/24 03:17 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/14/24 03:17 79-00-51.0 1
Trichloroethene ND ug/L 05/14/24 03:17 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/14/24 03:17 75-69-4 v21.0 1
1,2,3-Trichloropropane ND ug/L 05/14/24 03:17 96-18-41.0 1
Vinyl acetate ND ug/L 05/14/24 03:17 108-05-42.0 1
Vinyl chloride ND ug/L 05/14/24 03:17 75-01-41.0 1
Xylene (Total)ND ug/L 05/14/24 03:17 1330-20-71.0 1
m&p-Xylene ND ug/L 05/14/24 03:17 179601-23-12.0 1
o-Xylene ND ug/L 05/14/24 03:17 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)101 %05/14/24 03:17 460-00-470-130 1
1,2-Dichloroethane-d4 (S)103 %05/14/24 03:17 17060-07-070-130 1
Toluene-d8 (S)91 %05/14/24 03:17 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/12/24 19:49 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)95 %05/12/24 19:49 17060-07-067-130 1
Toluene-d8 (S)99 %05/12/24 19:49 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 153 mg/L 05/15/24 20:185.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 14 of 35
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Sample: 6804-MW211R Lab ID: 92730105004 Collected: 05/08/24 12:50 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 204 mg/L 05/14/24 13:4125.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 3.4 mg/L 05/11/24 17:40 16887-00-61.0 1
Sulfate 10.9 mg/L 05/11/24 17:40 14808-79-81.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 15 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
854687
EPA 7470A
EPA 7470A
7470 Mercury
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4409895
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
Mercury ug/L ND 0.20 05/16/24 10:23
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409896LABORATORY CONTROL SAMPLE:
LCSSpike
Mercury ug/L 2.62.5 104 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409897MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4409898
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Mercury ug/L 2.5 101 75-125104 32.5ND 2.6 2.7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 16 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
855780
EPA 3010A
EPA 6010D
6010 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4415338
Associated Lab Samples:92730105001, 92730105002
Matrix: Water
Analyzed
Antimony ug/L ND 5.0 05/22/24 20:37
Arsenic ug/L ND 10.0 05/22/24 20:37
Barium ug/L ND 5.0 05/22/24 20:37
Beryllium ug/L ND 1.0 05/22/24 20:37
Cadmium ug/L ND 1.0 05/22/24 20:37
Chromium ug/L ND 5.0 05/22/24 20:37
Copper ug/L ND 5.0 05/22/24 20:37
Iron ug/L ND 50.0 05/22/24 20:37
Lead ug/L ND 5.0 05/22/24 20:37
Manganese ug/L ND 5.0 05/22/24 20:37
Nickel ug/L ND 5.0 05/22/24 20:37
Selenium ug/L ND 10.0 05/22/24 20:37
Silver ug/L ND 5.0 05/22/24 20:37
Vanadium ug/L ND 5.0 05/22/24 20:37
Zinc ug/L ND 10.0 05/22/24 20:37
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4415339LABORATORY CONTROL SAMPLE:
LCSSpike
Antimony ug/L 458500 92 80-120
Arsenic ug/L 456500 91 80-120
Barium ug/L 476500 95 80-120
Beryllium ug/L 456500 91 80-120
Cadmium ug/L 463500 93 80-120
Chromium ug/L 467500 93 80-120
Copper ug/L 461500 92 80-120
Iron ug/L 49905000 100 80-120
Lead ug/L 459500 92 80-120
Manganese ug/L 485500 97 80-120
Nickel ug/L 461500 92 80-120
Selenium ug/L 465500 93 80-120
Silver ug/L 235250 94 80-120
Vanadium ug/L 463500 93 80-120
Zinc ug/L 468500 94 80-120
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 17 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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.
4415340MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4415341
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Antimony ug/L 500 103 75-125105 2500ND514 523
Arsenic ug/L 500 102 75-125104 2500ND511 521
Barium ug/L 500 104 75-125107 350032.8 552 566
Beryllium ug/L 500 101 75-125103 2500ND504 513
Cadmium ug/L 500 100 75-125101 2500ND498 506
Chromium ug/L 500 101 75-125103 2500ND505 514
Copper ug/L 500 101 75-125103 15007.1 513 521
Iron ug/L 5000 110 75-125113 250009976500 6660
Lead ug/L 500 99 75-125100 2500ND495 503
Manganese ug/L 500 112 75-125121 250013301890 1940
Nickel ug/L 500 98 75-125100 2500ND493 501
Selenium ug/L 500 107 75-125108 2500ND533 542
Silver ug/L 250 103 75-125105 2250ND258 262
Vanadium ug/L 500 101 75-125103 1500ND508 515
Zinc ug/L 500 101 75-125103 150042.2 549 557
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 18 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
855781
EPA 3010A
EPA 6010D
6010 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4415351
Associated Lab Samples:92730105003, 92730105004
Matrix: Water
Analyzed
Antimony ug/L ND 5.0 05/22/24 21:14
Arsenic ug/L ND 10.0 05/22/24 21:14
Barium ug/L ND 5.0 05/22/24 21:14
Beryllium ug/L ND 1.0 05/22/24 21:14
Cadmium ug/L ND 1.0 05/22/24 21:14
Chromium ug/L ND 5.0 05/22/24 21:14
Copper ug/L ND 5.0 05/22/24 21:14
Iron ug/L ND 50.0 05/22/24 21:14
Lead ug/L ND 5.0 05/22/24 21:14
Manganese ug/L ND 5.0 05/22/24 21:14
Nickel ug/L ND 5.0 05/22/24 21:14
Selenium ug/L ND 10.0 05/22/24 21:14
Silver ug/L ND 5.0 05/22/24 21:14
Vanadium ug/L ND 5.0 05/22/24 21:14
Zinc ug/L ND 10.0 05/22/24 21:14
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4415352LABORATORY CONTROL SAMPLE:
LCSSpike
Antimony ug/L 508500 102 80-120
Arsenic ug/L 513500 103 80-120
Barium ug/L 508500 102 80-120
Beryllium ug/L 500500 100 80-120
Cadmium ug/L 518500 104 80-120
Chromium ug/L 502500 100 80-120
Copper ug/L 502500 100 80-120
Iron ug/L 51305000 103 80-120
Lead ug/L 515500 103 80-120
Manganese ug/L 510500 102 80-120
Nickel ug/L 512500 102 80-120
Selenium ug/L 506500 101 80-120
Silver ug/L 248250 99 80-120
Vanadium ug/L 500500 100 80-120
Zinc ug/L 515500 103 80-120
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 19 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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.
4415353MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105003
4415354
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Antimony ug/L 500 104 75-125107 3500ND522 537
Arsenic ug/L 500 106 75-125109 3500ND528 546
Barium ug/L 500 103 75-125106 350011.9 525 542
Beryllium ug/L 500 103 75-125106 3500ND515 530
Cadmium ug/L 500 102 75-125106 3500ND512 529
Chromium ug/L 500 100 75-125103 3500ND500 515
Copper ug/L 500 100 75-125103 3500ND502 517
Iron ug/L 5000 104 75-125108 3500070.2 5280 5450
Lead ug/L 500 101 75-125104 3500ND503 519
Manganese ug/L 500 98 75-125102 2500493983 1000
Nickel ug/L 500 100 75-125103 3500ND501 518
Selenium ug/L 500 107 75-125109 2500ND535 547
Silver ug/L 250 101 75-125104 3250ND252 259
Vanadium ug/L 500 100 75-125104 3500ND503 519
Zinc ug/L 500 102 75-125105 3500ND511 526
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 20 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
853973
EPA 3010A
EPA 6020B
6020 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406689
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
Cobalt ug/L ND 1.0 05/13/24 01:15
Thallium ug/L ND 0.20 05/13/24 01:15
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406690LABORATORY CONTROL SAMPLE:
LCSSpike
Cobalt ug/L 52.050 104 80-120
Thallium ug/L 25.025 100 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406691MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406692
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Cobalt ug/L 50 103 75-125101 2505.0 56.6 55.6
Thallium ug/L 25 102 75-125101 025ND25.5 25.4
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 21 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
854064
EPA 8260D
EPA 8260D
8260D MSV Low Level Landfill
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406869
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
1,1,1,2-Tetrachloroethane ug/L ND 1.0 05/14/24 01:29
1,1,1-Trichloroethane ug/L ND 1.0 05/14/24 01:29
1,1,2,2-Tetrachloroethane ug/L ND 1.0 05/14/24 01:29
1,1,2-Trichloroethane ug/L ND 1.0 05/14/24 01:29
1,1-Dichloroethane ug/L ND 1.0 05/14/24 01:29
1,1-Dichloroethene ug/L ND 1.0 05/14/24 01:29
1,2,3-Trichloropropane ug/L ND 1.0 05/14/24 01:29
1,2-Dichlorobenzene ug/L ND 1.0 05/14/24 01:29
1,2-Dichloroethane ug/L ND 1.0 05/14/24 01:29
1,2-Dichloropropane ug/L ND 1.0 05/14/24 01:29
1,4-Dichlorobenzene ug/L ND 1.0 05/14/24 01:29
2-Butanone (MEK)ug/L ND 5.0 05/14/24 01:29
2-Hexanone ug/L ND 5.0 05/14/24 01:29
4-Methyl-2-pentanone (MIBK)ug/L ND 5.0 05/14/24 01:29
Acetone ug/L ND 25.0 05/14/24 01:29
Acrylonitrile ug/L ND 10.0 05/14/24 01:29
Benzene ug/L ND 1.0 05/14/24 01:29
Bromochloromethane ug/L ND 1.0 05/14/24 01:29
Bromodichloromethane ug/L ND 1.0 05/14/24 01:29
Bromoform ug/L ND 1.0 v205/14/24 01:29
Bromomethane ug/L ND 2.0 v205/14/24 01:29
Carbon disulfide ug/L ND 2.0 05/14/24 01:29
Carbon tetrachloride ug/L ND 1.0 05/14/24 01:29
Chlorobenzene ug/L ND 1.0 05/14/24 01:29
Chloroethane ug/L ND 1.0 v205/14/24 01:29
Chloroform ug/L ND 1.0 05/14/24 01:29
Chloromethane ug/L ND 1.0 05/14/24 01:29
cis-1,2-Dichloroethene ug/L ND 1.0 05/14/24 01:29
cis-1,3-Dichloropropene ug/L ND 1.0 05/14/24 01:29
Dibromochloromethane ug/L ND 1.0 05/14/24 01:29
Dibromomethane ug/L ND 1.0 05/14/24 01:29
Ethylbenzene ug/L ND 1.0 05/14/24 01:29
Iodomethane ug/L ND 20.0 05/14/24 01:29
m&p-Xylene ug/L ND 2.0 05/14/24 01:29
Methylene Chloride ug/L ND 5.0 05/14/24 01:29
o-Xylene ug/L ND 1.0 05/14/24 01:29
Styrene ug/L ND 1.0 05/14/24 01:29
Tetrachloroethene ug/L ND 1.0 05/14/24 01:29
Tetrahydrofuran ug/L ND 10.0 05/14/24 01:29
Toluene ug/L ND 1.0 05/14/24 01:29
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 22 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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: 4406869
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
trans-1,2-Dichloroethene ug/L ND 1.0 05/14/24 01:29
trans-1,3-Dichloropropene ug/L ND 1.0 05/14/24 01:29
trans-1,4-Dichloro-2-butene ug/L ND 1.0 v205/14/24 01:29
Trichloroethene ug/L ND 1.0 05/14/24 01:29
Trichlorofluoromethane ug/L ND 1.0 v205/14/24 01:29
Vinyl acetate ug/L ND 2.0 05/14/24 01:29
Vinyl chloride ug/L ND 1.0 05/14/24 01:29
Xylene (Total)ug/L ND 1.0 05/14/24 01:29
1,2-Dichloroethane-d4 (S)%108 70-130 05/14/24 01:29
4-Bromofluorobenzene (S)%94 70-130 05/14/24 01:29
Toluene-d8 (S)%114 70-130 05/14/24 01:29
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406870LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 18.320 92 70-130
1,1,1-Trichloroethane ug/L 20.120 100 70-130
1,1,2,2-Tetrachloroethane ug/L 18.020 90 70-130
1,1,2-Trichloroethane ug/L 19.520 98 70-130
1,1-Dichloroethane ug/L 21.420 107 70-130
1,1-Dichloroethene ug/L 18.220 91 69-131
1,2,3-Trichloropropane ug/L 18.020 90 70-130
1,2-Dichlorobenzene ug/L 19.420 97 70-130
1,2-Dichloroethane ug/L 19.820 99 70-130
1,2-Dichloropropane ug/L 20.320 101 70-130
1,4-Dichlorobenzene ug/L 19.420 97 70-130
2-Butanone (MEK)ug/L 38.740 97 67-133
2-Hexanone ug/L 37.340 93 70-133
4-Methyl-2-pentanone (MIBK)ug/L 38.940 97 70-130
Acetone ug/L 40.840 102 67-130
Acrylonitrile ug/L 95.2100 95 70-130
Benzene ug/L 20.220 101 70-130
Bromochloromethane ug/L 19.820 99 70-130
Bromodichloromethane ug/L 19.020 95 70-130
Bromoform ug/L 14.6 v32073 70-133
Bromomethane ug/L 10.7 v32054 41-148
Carbon disulfide ug/L 19.620 98 70-131
Carbon tetrachloride ug/L 19.020 95 70-130
Chlorobenzene ug/L 19.220 96 70-130
Chloroethane ug/L 14.0 v32070 41-157
Chloroform ug/L 20.020 100 70-130
Chloromethane ug/L 21.920 110 59-141
cis-1,2-Dichloroethene ug/L 20.620 103 70-130
cis-1,3-Dichloropropene ug/L 19.720 99 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: 05/24/2024 05:05 PM
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9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 23 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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.
4406870LABORATORY CONTROL SAMPLE:
LCSSpike
Dibromochloromethane ug/L 18.820 94 70-130
Dibromomethane ug/L 19.520 97 70-130
Ethylbenzene ug/L 19.320 97 70-130
Iodomethane ug/L 32.840 82 57-140
m&p-Xylene ug/L 37.940 95 70-130
Methylene Chloride ug/L 20.920 104 62-130
o-Xylene ug/L 19.120 95 70-130
Styrene ug/L 18.820 94 70-130
Tetrachloroethene ug/L 18.420 92 70-130
Tetrahydrofuran ug/L 197200 99 70-131
Toluene ug/L 19.620 98 70-130
trans-1,2-Dichloroethene ug/L 21.720 108 70-130
trans-1,3-Dichloropropene ug/L 19.520 98 70-130
trans-1,4-Dichloro-2-butene ug/L 15.2 v32076 57-149
Trichloroethene ug/L 19.520 98 70-130
Trichlorofluoromethane ug/L 14.1 v32071 57-130
Vinyl acetate ug/L 40.640 101 70-141
Vinyl chloride ug/L 19.520 97 66-140
Xylene (Total)ug/L 57.060 95 70-130
1,2-Dichloroethane-d4 (S)%100 70-130
4-Bromofluorobenzene (S)%98 70-130
Toluene-d8 (S)%101 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406871MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406872
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 96 70-146108 1220ND19.3 21.7
1,1,1-Trichloroethane ug/L 20 102 70-150115 1220ND20.3 22.9
1,1,2,2-Tetrachloroethane ug/L 20 95 66-144107 1220ND19.0 21.5
1,1,2-Trichloroethane ug/L 20 99 70-142108 920ND19.8 21.7
1,1-Dichloroethane ug/L 20 104 68-150112 820ND20.7 22.4
1,1-Dichloroethene ug/L 20 106 64-162116 820ND21.3 23.1
1,2,3-Trichloropropane ug/L 20 97 66-144106 920ND19.3 21.1
1,2-Dichlorobenzene ug/L 20 95 70-142105 1020ND19.1 21.1
1,2-Dichloroethane ug/L 20 103 68-145113 920ND20.7 22.5
1,2-Dichloropropane ug/L 20 102 70-144114 1020ND20.5 22.7
1,4-Dichlorobenzene ug/L 20 95 70-140107 1220ND19.0 21.5
2-Butanone (MEK)ug/L 40 93 57-156107 1440ND37.1 42.7
2-Hexanone ug/L 40 102 62-153115 1340ND40.7 46.1
4-Methyl-2-pentanone (MIBK) ug/L 40 102 65-144112 1040ND40.8 44.8
Acetone ug/L 40 96 49-162103 740ND39.1 41.9
Acrylonitrile ug/L 100 93 59-155102 9100ND93.4 102
Benzene ug/L 20 102 68-144113 1020ND20.5 22.7
Bromochloromethane ug/L 20 98 70-148109 1020ND19.7 21.8
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 24 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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.
4406871MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406872
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Bromodichloromethane ug/L 20 101 70-141111 920ND20.2 22.2
Bromoform ug/L 20 88 59-144104 1620ND17.7 20.8
Bromomethane ug/L 20 89 23-190101 1320ND17.7 20.1
Carbon disulfide ug/L 20 99 64-160109 1020ND19.8 21.8
Carbon tetrachloride ug/L 20 107 70-147116 920ND21.4 23.3
Chlorobenzene ug/L 20 98 70-143107 920ND19.6 21.5
Chloroethane ug/L 20 108 55-190115 720ND21.6 23.1
Chloroform ug/L 20 101 67-148108 720ND20.1 21.5
Chloromethane ug/L 20 108 38-180116 720ND21.6 23.2
cis-1,2-Dichloroethene ug/L 20 101 67-151112 1120ND20.1 22.4
cis-1,3-Dichloropropene ug/L 20 97 70-142107 1020ND19.4 21.4
Dibromochloromethane ug/L 20 97 68-140107 1020ND19.5 21.4
Dibromomethane ug/L 20 97 70-142109 1220ND19.3 21.8
Ethylbenzene ug/L 20 101 70-145111 1020ND20.1 22.2
Iodomethane ug/L 40 90 37-16096 640ND35.9 38.2
m&p-Xylene ug/L 40 102 70-148112 940ND40.7 44.7
Methylene Chloride ug/L 20 98 54-149107 920ND19.6 21.5
o-Xylene ug/L 20 99 70-145110 1020ND19.8 21.9
Styrene ug/L 20 100 70-147113 1220ND20.0 22.6
Tetrachloroethene ug/L 20 98 70-145108 1020ND19.6 21.7
Tetrahydrofuran ug/L 200 102 48-160113 11200ND203 226
Toluene ug/L 20 101 65-146111 1020ND20.1 22.2
trans-1,2-Dichloroethene ug/L 20 105 69-155115 920ND21.0 22.9
trans-1,3-Dichloropropene ug/L 20 100 70-142113 1320ND19.9 22.6
trans-1,4-Dichloro-2-butene ug/L 20 64 39-14962 320ND12.8 12.4
Trichloroethene ug/L 20 103 70-152112 920ND20.5 22.4
Trichlorofluoromethane ug/L 20 107 60-158118 920ND21.5 23.6
Vinyl acetate ug/L 40 100 56-157112 1140ND40.1 44.8
Vinyl chloride ug/L 20 111 51-178122 920ND22.3 24.3
Xylene (Total)ug/L 60 101 70-146111 1060ND60.5 66.6
1,2-Dichloroethane-d4 (S)%107 70-130106
4-Bromofluorobenzene (S)%100 70-130102
Toluene-d8 (S)%100 70-130100
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 25 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
853992
EPA 8260D Mod.
EPA 8260D Mod.
8260D MSV SIM
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92730105001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406718
Associated Lab Samples:92730105001
Matrix: Water
Analyzed
1,4-Dioxane (p-Dioxane)ug/L ND 2.0 05/12/24 19:53
1,2-Dichloroethane-d4 (S)%97 67-130 05/12/24 19:53
Toluene-d8 (S)%100 70-130 05/12/24 19:53
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406719LABORATORY CONTROL SAMPLE:
LCSSpike
1,4-Dioxane (p-Dioxane)ug/L 18.520 92 70-130
1,2-Dichloroethane-d4 (S)%97 67-130
Toluene-d8 (S)%100 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406720MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730099001
4406721
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 93 55-13792 220ND18.7 18.4
1,2-Dichloroethane-d4 (S)%104 67-130103
Toluene-d8 (S)%104 70-130104
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 26 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
853993
EPA 8260D Mod.
EPA 8260D Mod.
8260D MSV SIM
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406722
Associated Lab Samples:92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
1,4-Dioxane (p-Dioxane)ug/L ND 2.0 05/12/24 17:35
1,2-Dichloroethane-d4 (S)%95 67-130 05/12/24 17:35
Toluene-d8 (S)%97 70-130 05/12/24 17:35
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406723LABORATORY CONTROL SAMPLE:
LCSSpike
1,4-Dioxane (p-Dioxane)ug/L 16.320 82 70-130
1,2-Dichloroethane-d4 (S)%97 67-130
Toluene-d8 (S)%93 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406724MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406725
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 79 55-13783 520ND15.8 16.6
1,2-Dichloroethane-d4 (S)%102 67-130100
Toluene-d8 (S)%99 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: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 27 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
854712
SM 2320B-2011
SM 2320B-2011
2320B Alkalinity
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4409954
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
Alkalinity, Total as CaCO3 mg/L ND 5.0 05/15/24 19:01
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409955LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 50.650 101 80-120
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409956LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 51.150 102 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409957MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4409958
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 103 80-120112 35084.2 136 140
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409959MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105004
4409960
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 95 80-120110 450153200 208
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 28 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
854410
SM 2540C-2015
SM 2540C-2015
2540C Total Dissolved Solids
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4408597
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
Total Dissolved Solids mg/L ND 25.0 05/14/24 13:39
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4408598LABORATORY CONTROL SAMPLE:
LCSSpike
Total Dissolved Solids mg/L 248250 99 90-110
Parameter Units
Dup
Result QualifiersRPDResult
92729468002
4408599SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 219 6207
Parameter Units
Dup
Result QualifiersRPDResult
92730105002
4408600SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 164 0164
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 29 of 35
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
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:
853887
EPA 300.0 Rev 2.1 1993
EPA 300.0 Rev 2.1 1993
300.0 IC Anions
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92730105001, 92730105002, 92730105003, 92730105004
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406439
Associated Lab Samples:92730105001, 92730105002, 92730105003, 92730105004
Matrix: Water
Analyzed
Chloride mg/L ND 1.0 05/11/24 11:13
Sulfate mg/L ND 1.0 05/11/24 11:13
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406440LABORATORY CONTROL SAMPLE:
LCSSpike
Chloride mg/L 47.450 95 90-110
Sulfate mg/L 46.050 92 90-110
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406441MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729823001
4406442
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 97 90-110101 450ND49.2 51.2
Sulfate mg/L 50 95 90-11098 450ND48.0 49.8
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406443MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406444
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 102 90-110103 1508.2 59.0 59.9
Sulfate mg/L 50 96 90-11098 25030.6 78.5 79.9
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
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Huntersville, NC 28078
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Page 30 of 35
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean-Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPAMethod 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the
associated samples and the sensitivity of the instrument was verified with a reporting limit check standard.v2
The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the
associated samples may have low bias.v3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 31 of 35
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92730105
OCSWM SPRING-C&D
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92730105001 855780 8561976804-MW204S EPA 3010A EPA 6010D
92730105002 855780 8561976804-MW209 EPA 3010A EPA 6010D
92730105003 855781 8558166804-MW210D EPA 3010A EPA 6010D
92730105004 855781 8558166804-MW211R EPA 3010A EPA 6010D
92730105001 853973 8539896804-MW204S EPA 3010A EPA 6020B
92730105002 853973 8539896804-MW209 EPA 3010A EPA 6020B
92730105003 853973 8539896804-MW210D EPA 3010A EPA 6020B
92730105004 853973 8539896804-MW211R EPA 3010A EPA 6020B
92730105001 854687 8547236804-MW204S EPA 7470A EPA 7470A
92730105002 854687 8547236804-MW209 EPA 7470A EPA 7470A
92730105003 854687 8547236804-MW210D EPA 7470A EPA 7470A
92730105004 854687 8547236804-MW211R EPA 7470A EPA 7470A
92730105001 8540646804-MW204S EPA 8260D
92730105002 8540646804-MW209 EPA 8260D
92730105003 8540646804-MW210D EPA 8260D
92730105004 8540646804-MW211R EPA 8260D
92730105001 8539926804-MW204S EPA 8260D Mod.
92730105002 8539936804-MW209 EPA 8260D Mod.
92730105003 8539936804-MW210D EPA 8260D Mod.
92730105004 8539936804-MW211R EPA 8260D Mod.
92730105001 8547126804-MW204S SM 2320B-2011
92730105002 8547126804-MW209 SM 2320B-2011
92730105003 8547126804-MW210D SM 2320B-2011
92730105004 8547126804-MW211R SM 2320B-2011
92730105001 8544106804-MW204S SM 2540C-2015
92730105002 8544106804-MW209 SM 2540C-2015
92730105003 8544106804-MW210D SM 2540C-2015
92730105004 8544106804-MW211R SM 2540C-2015
92730105001 8538876804-MW204S EPA 300.0 Rev 2.1 1993
92730105002 8538876804-MW209 EPA 300.0 Rev 2.1 1993
92730105003 8538876804-MW210D EPA 300.0 Rev 2.1 1993
92730105004 8538876804-MW211R EPA 300.0 Rev 2.1 1993
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/24/2024 05:05 PM
Pace Analytical Services, LLC
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[phone]
Page 32 of 35
Page 33 of 35
Page 34 of 35
Page 35 of 35

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 7: Shared Monitoring Wells (MW-04)
#=CL#
May 23, 2024
LIMS USE: FR - DEBORAH COAKLEY
LIMS OBJECT ID: 92729715
92729715
Project:
Pace Project No.:
RE:
Deborah Ann Coakley
TRC Companies
1030 Wilmer Ave.
Suite 100
Richmond, VA 23227
OCSWM SPRING-NORTH (MW-04)
Dear Deborah Coakley:
Enclosed are the analytical results for sample(s) received by the laboratory on May 07, 2024. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace National - Mt. Juliet
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Matthew Brainard
[e-mail]
Project Manager
704-977-0942
Enclosures
cc: Sean Jarvah, TRC Companies
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 1 of 42
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Pace Analytical Services National
12065 Lebanon Road, Mt. Juliet, TN 37122
Alabama Certification #: 40660
Alaska Certification 17-026
Arizona Certification #: AZ0612
Arkansas Certification #: 88-0469
California Certification #: 2932
Canada Certification #: 1461.01
Colorado Certification #: TN00003
Connecticut Certification #: PH-0197
DOD Certification: #1461.01
EPA# TN00003
Florida Certification #: E87487
Georgia DW Certification #: 923
Georgia Certification: NELAP
Idaho Certification #: TN00003
Illinois Certification #: 200008
Indiana Certification #: C-TN-01
Iowa Certification #: 364
Kansas Certification #: E-10277
Kentucky UST Certification #: 16
Kentucky Certification #: 90010
Louisiana Certification #: AI30792
Louisiana DW Certification #: LA180010
Maine Certification #: TN0002
Maryland Certification #: 324
Massachusetts Certification #: M-TN003
Michigan Certification #: 9958
Minnesota Certification #: 047-999-395
Mississippi Certification #: TN00003
Missouri Certification #: 340
Montana Certification #: CERT0086
Nebraska Certification #: NE-OS-15-05
Nevada Certification #: TN-03-2002-34
New Hampshire Certification #: 2975
New Jersey Certification #: TN002
New Mexico DW Certification
New York Certification #: 11742
North Carolina Aquatic Toxicity Certification #: 41
North Carolina Drinking Water Certification #: 21704
North Carolina Environmental Certificate #: 375
North Dakota Certification #: R-140
Ohio VAP Certification #: CL0069
Oklahoma Certification #: 9915
Oregon Certification #: TN200002
Pennsylvania Certification #: 68-02979
Rhode Island Certification #: LAO00356
South Carolina Certification #: 84004
South Dakota Certification
Tennessee DW/Chem/Micro Certification #: 2006
Texas Mold Certification #: LAB0152
Texas Certification #: T 104704245-17-14
USDA Soil Permit #: P330-15-00234
Utah Certification #: TN00003
Virginia Certification #: VT2006
Vermont Dept. of Health: ID# VT-2006
Virginia Certification #: 460132
Washington Certification #: C847
West Virginia Certification #: 233
Wisconsin Certification #: 998093910
Wyoming UST Certification #: via A2LA 2926.01
A2LA-ISO 17025 Certification #: 1461.01
A2LA-ISO 17025 Certification #: 1461.02
AIHA-LAP/LLC EMLAP Certification #:100789
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water #: LA029
Virginia/VELAP Certification #: 460221
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
South Carolina Laboratory ID: 99030
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
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9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 2 of 42
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92729715001 6801-MW04 EPA 8151A 11 PANJMB, NWH
EPA 8081B 21 PASI-CSEM
EPA 8082A 8 PASI-CSEM
EPA 6010D 16 PASI-ADBB1
EPA 6020B 2 PASI-AKRL
EPA 8270E 111 PASI-CICO
EPA 8260D 67 PASI-CTMH
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-ACMW1
EPA 300.0 Rev 2.1 1993 2 PASI-ACDC
SM 3500-Cr B-2011 1 PASI-AJMH1
EPA 9012B 1 PASI-AMMA
PAN = Pace National - Mt. Juliet
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
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[phone]
Page 3 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8151A Preparation Method: 8151A
Pace National - Mt. Juliet
Chlorinated Herb. (GC) 8151A
2,4-D ND ug/L 05/15/24 20:29 94-75-705/14/24 00:462.00 1
Dalapon ND ug/L 05/15/24 20:29 127-20-805/14/24 00:462.00 1
2,4-DB ND ug/L 05/15/24 20:29 94-82-605/14/24 00:462.00 1
Dicamba ND ug/L 05/15/24 20:29 1918-00-905/14/24 00:462.00 1
Dichlorprop ND ug/L 05/15/24 20:29 120-36-505/14/24 00:462.00 1
Dinoseb ND ug/L 05/15/24 20:29 88-85-705/14/24 00:462.00 1
MCPA ND ug/L 05/16/24 00:36 94-74-605/14/24 00:46100 1
2-(2-methyl-4-chlorophenoxy)pa ND ug/L 05/15/24 20:29 93-65-205/14/24 00:46100 1
2,4,5-T ND ug/L 05/15/24 20:29 93-76-505/14/24 00:462.00 1
2,4,5-TP (Silvex)ND ug/L 05/15/24 20:29 93-72-105/14/24 00:462.00 1
Surrogates
2,4-DCAA (S)66.0 %05/15/24 20:29 19719-28-905/14/24 00:4614.0-158 1
2,4-DCAA (S)101 %05/16/24 00:36 19719-28-905/14/24 00:4614.0-158 1
Analytical Method: EPA 8081B Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8081 OC Pesticides RVE
Aldrin ND ug/L 05/09/24 16:19 309-00-205/09/24 04:100.042 1
alpha-BHC ND ug/L 05/09/24 16:19 319-84-6 L1,M005/09/24 04:100.042 1
beta-BHC ND ug/L 05/09/24 16:19 319-85-705/09/24 04:100.042 1
delta-BHC ND ug/L 05/09/24 16:19 319-86-805/09/24 04:100.042 1
gamma-BHC (Lindane)ND ug/L 05/09/24 16:19 58-89-905/09/24 04:100.042 1
Chlordane (Technical)ND ug/L 05/09/24 16:19 57-74-905/09/24 04:100.42 1
4,4'-DDD ND ug/L 05/09/24 16:19 72-54-805/09/24 04:100.042 1
4,4'-DDE ND ug/L 05/09/24 16:19 72-55-905/09/24 04:100.042 1
4,4'-DDT ND ug/L 05/09/24 16:19 50-29-305/09/24 04:100.042 1
Dieldrin ND ug/L 05/09/24 16:19 60-57-105/09/24 04:100.042 1
Endosulfan I ND ug/L 05/09/24 16:19 959-98-805/09/24 04:100.042 1
Endosulfan II ND ug/L 05/09/24 16:19 33213-65-905/09/24 04:100.042 1
Endosulfan sulfate ND ug/L 05/09/24 16:19 1031-07-805/09/24 04:100.042 1
Endrin ND ug/L 05/09/24 16:19 72-20-805/09/24 04:100.042 1
Endrin aldehyde ND ug/L 05/09/24 16:19 7421-93-405/09/24 04:100.042 1
Heptachlor ND ug/L 05/09/24 16:19 76-44-805/09/24 04:100.042 1
Heptachlor epoxide ND ug/L 05/09/24 16:19 1024-57-305/09/24 04:100.042 1
Methoxychlor ND ug/L 05/09/24 16:19 72-43-505/09/24 04:100.12 1
Toxaphene ND ug/L 05/09/24 16:19 8001-35-205/09/24 04:100.42 1
Surrogates
Tetrachloro-m-xylene (S)110 %05/09/24 16:19 877-09-805/09/24 04:1010-137 1
Decachlorobiphenyl (S)119 %05/09/24 16:19 2051-24-305/09/24 04:1019-200 1
Analytical Method: EPA 8082A Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8082 GCS PCB RVE
PCB-1016 (Aroclor 1016)ND ug/L 05/20/24 20:35 12674-11-205/16/24 01:430.56 1
PCB-1221 (Aroclor 1221)ND ug/L 05/20/24 20:35 11104-28-205/16/24 01:430.56 1
PCB-1232 (Aroclor 1232)ND ug/L 05/20/24 20:35 11141-16-505/16/24 01:430.56 1
PCB-1242 (Aroclor 1242)ND ug/L 05/20/24 20:35 53469-21-905/16/24 01:430.56 1
PCB-1248 (Aroclor 1248)ND ug/L 05/20/24 20:35 12672-29-605/16/24 01:430.56 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
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Huntersville, NC 28078
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Page 4 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8082A Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8082 GCS PCB RVE
PCB-1254 (Aroclor 1254)ND ug/L 05/20/24 20:35 11097-69-105/16/24 01:430.56 1
PCB-1260 (Aroclor 1260)ND ug/L 05/20/24 20:35 11096-82-505/16/24 01:430.56 1
Surrogates
Decachlorobiphenyl (S)79 %05/20/24 20:35 2051-24-305/16/24 01:4310-193 1
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 13:18 7440-36-005/19/24 13:005.0 1
Arsenic ND ug/L 05/22/24 13:18 7440-38-205/19/24 13:0010.0 1
Barium 85.8 ug/L 05/22/24 13:18 7440-39-305/19/24 13:005.0 1
Beryllium ND ug/L 05/22/24 13:18 7440-41-705/19/24 13:001.0 1
Cadmium ND ug/L 05/22/24 13:18 7440-43-905/19/24 13:001.0 1
Chromium ND ug/L 05/22/24 13:18 7440-47-305/19/24 13:005.0 1
Copper ND ug/L 05/22/24 13:18 7440-50-805/19/24 13:005.0 1
Iron 180 ug/L 05/22/24 13:18 7439-89-605/19/24 13:0050.0 1
Lead ND ug/L 05/22/24 13:18 7439-92-105/19/24 13:005.0 1
Manganese ND ug/L 05/22/24 13:18 7439-96-505/19/24 13:005.0 1
Nickel ND ug/L 05/22/24 13:18 7440-02-005/19/24 13:005.0 1
Selenium ND ug/L 05/22/24 13:18 7782-49-205/19/24 13:0010.0 1
Silver ND ug/L 05/22/24 13:18 7440-22-405/19/24 13:005.0 1
Tin ND ug/L 05/22/24 13:18 7440-31-505/19/24 13:005.0 1
Vanadium ND ug/L 05/22/24 13:18 7440-62-205/19/24 13:005.0 1
Zinc ND ug/L 05/22/24 13:18 7440-66-605/19/24 13:0010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt ND ug/L 05/12/24 22:26 7440-48-405/10/24 15:451.0 1
Thallium ND ug/L 05/12/24 22:26 7440-28-005/10/24 15:450.20 1
Analytical Method: EPA 8270E Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8270E APP9 RV
Acenaphthene ND ug/L 05/09/24 13:51 83-32-9 R105/09/24 01:448.3 1
Acenaphthylene ND ug/L 05/09/24 13:51 208-96-8 R105/09/24 01:448.3 1
Acetophenone ND ug/L 05/09/24 13:51 98-86-2 R105/09/24 01:448.3 1
2-Acetylaminofluorene ND ug/L 05/09/24 13:51 53-96-3 R105/09/24 01:448.3 1
4-Aminobiphenyl ND ug/L 05/09/24 13:51 92-67-105/09/24 01:448.3 1
Anthracene ND ug/L 05/09/24 13:51 120-12-7 R105/09/24 01:448.3 1
Benzo(a)anthracene ND ug/L 05/09/24 13:51 56-55-3 R105/09/24 01:448.3 1
Benzo(a)pyrene ND ug/L 05/09/24 13:51 50-32-8 R105/09/24 01:448.3 1
Benzo(b)fluoranthene ND ug/L 05/09/24 13:51 205-99-2 R105/09/24 01:448.3 1
Benzo(g,h,i)perylene ND ug/L 05/09/24 13:51 191-24-2 R105/09/24 01:448.3 1
Benzo(k)fluoranthene ND ug/L 05/09/24 13:51 207-08-9 R105/09/24 01:448.3 1
Benzyl alcohol ND ug/L 05/09/24 13:51 100-51-6 R105/09/24 01:4416.7 1
4-Bromophenylphenyl ether ND ug/L 05/09/24 13:51 101-55-3 R105/09/24 01:448.3 1
Butylbenzylphthalate ND ug/L 05/09/24 13:51 85-68-7 R105/09/24 01:448.3 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 5 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8270E Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8270E APP9 RV
4-Chloro-3-methylphenol ND ug/L 05/09/24 13:51 59-50-7 R105/09/24 01:448.3 1
4-Chloroaniline ND ug/L 05/09/24 13:51 106-47-8 R105/09/24 01:4416.7 1
Chlorobenzilate ND ug/L 05/09/24 13:51 510-15-6 R105/09/24 01:448.3 1
bis(2-Chloroethoxy)methane ND ug/L 05/09/24 13:51 111-91-1 R105/09/24 01:448.3 1
bis(2-Chloroethyl) ether ND ug/L 05/09/24 13:51 111-44-4 R105/09/24 01:448.3 1
2-Chloronaphthalene ND ug/L 05/09/24 13:51 91-58-7 R105/09/24 01:448.3 1
2-Chlorophenol ND ug/L 05/09/24 13:51 95-57-8 R105/09/24 01:448.3 1
4-Chlorophenylphenyl ether ND ug/L 05/09/24 13:51 7005-72-3 R105/09/24 01:448.3 1
Chrysene ND ug/L 05/09/24 13:51 218-01-9 R105/09/24 01:448.3 1
Diallate ND ug/L 05/09/24 13:51 2303-16-4 R105/09/24 01:448.3 1
Dibenz(a,h)anthracene ND ug/L 05/09/24 13:51 53-70-3 R105/09/24 01:448.3 1
Dibenzofuran ND ug/L 05/09/24 13:51 132-64-9 R105/09/24 01:448.3 1
3,3'-Dichlorobenzidine ND ug/L 05/09/24 13:51 91-94-1 R105/09/24 01:4416.7 1
2,4-Dichlorophenol ND ug/L 05/09/24 13:51 120-83-2 R105/09/24 01:448.3 1
2,6-Dichlorophenol ND ug/L 05/09/24 13:51 87-65-0 M105/09/24 01:448.3 1
Diethylphthalate ND ug/L 05/09/24 13:51 84-66-2 R105/09/24 01:448.3 1
Dimethoate ND ug/L 05/09/24 13:51 60-51-5 R105/09/24 01:448.3 1
P-Dimethylaminoazobenzene ND ug/L 05/09/24 13:51 60-11-7 R105/09/24 01:444.2 1
7,12-Dimethylbenz(a)anthracene ND ug/L 05/09/24 13:51 57-97-6 R105/09/24 01:448.3 1
3,3'-Dimethylbenzidine ND ug/L 05/09/24 13:51 119-93-705/09/24 01:4441.7 1
2,4-Dimethylphenol ND ug/L 05/09/24 13:51 105-67-9 R105/09/24 01:448.3 1
Dimethylphthalate ND ug/L 05/09/24 13:51 131-11-3 R105/09/24 01:448.3 1
Di-n-butylphthalate ND ug/L 05/09/24 13:51 84-74-2 R105/09/24 01:448.3 1
4,6-Dinitro-2-methylphenol ND ug/L 05/09/24 13:51 534-52-1 M1,v105/09/24 01:4416.7 1
1,3-Dinitrobenzene ND ug/L 05/09/24 13:51 99-65-0 R105/09/24 01:448.3 1
2,4-Dinitrophenol ND ug/L 05/09/24 13:51 51-28-5 M1,v105/09/24 01:4441.7 1
2,4-Dinitrotoluene ND ug/L 05/09/24 13:51 121-14-2 R1,v105/09/24 01:448.3 1
2,6-Dinitrotoluene ND ug/L 05/09/24 13:51 606-20-2 R105/09/24 01:448.3 1
Di-n-octylphthalate ND ug/L 05/09/24 13:51 117-84-0 R105/09/24 01:448.3 1
Diphenylamine ND ug/L 05/09/24 13:51 122-39-4 R105/09/24 01:448.3 1
Disulfoton ND ug/L 05/09/24 13:51 298-04-4 R105/09/24 01:448.3 1
bis(2-Ethylhexyl)phthalate ND ug/L 05/09/24 13:51 117-81-7 R105/09/24 01:445.0 1
Ethyl methanesulfonate ND ug/L 05/09/24 13:51 62-50-0 R105/09/24 01:4416.7 1
Famphur ND ug/L 05/09/24 13:51 52-85-7 R105/09/24 01:448.3 1
Fluoranthene ND ug/L 05/09/24 13:51 206-44-0 R105/09/24 01:448.3 1
Fluorene ND ug/L 05/09/24 13:51 86-73-7 R105/09/24 01:448.3 1
Hexachlorobenzene ND ug/L 05/09/24 13:51 118-74-1 R105/09/24 01:448.3 1
Hexachlorocyclopentadiene ND ug/L 05/09/24 13:51 77-47-4 R105/09/24 01:448.3 1
Hexachloroethane ND ug/L 05/09/24 13:51 67-72-1 R105/09/24 01:448.3 1
Hexachloropropene ND ug/L 05/09/24 13:51 1888-71-7 R105/09/24 01:448.3 1
Indeno(1,2,3-cd)pyrene ND ug/L 05/09/24 13:51 193-39-5 R105/09/24 01:448.3 1
Isodrin ND ug/L 05/09/24 13:51 465-73-6 R105/09/24 01:448.3 1
Isophorone ND ug/L 05/09/24 13:51 78-59-1 R105/09/24 01:448.3 1
Isosafrole ND ug/L 05/09/24 13:51 120-58-1 R105/09/24 01:448.3 1
Kepone ND ug/L 05/09/24 13:51 143-50-0 R105/09/24 01:4416.7 1
Methapyrilene ND ug/L 05/09/24 13:51 91-80-505/09/24 01:4441.7 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 6 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8270E Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8270E APP9 RV
3-Methylcholanthrene ND ug/L 05/09/24 13:51 56-49-5 R105/09/24 01:448.3 1
Methyl methanesulfonate ND ug/L 05/09/24 13:51 66-27-3 R105/09/24 01:444.2 1
2-Methylnaphthalene ND ug/L 05/09/24 13:51 91-57-6 R105/09/24 01:448.3 1
Methyl parathion ND ug/L 05/09/24 13:51 298-00-0 R105/09/24 01:448.3 1
2-Methylphenol(o-Cresol)ND ug/L 05/09/24 13:51 95-48-7 R105/09/24 01:448.3 1
3&4-Methylphenol(m&p Cresol)ND ug/L 05/09/24 13:51 15831-10-4 R105/09/24 01:448.3 1
1-Naphthalenamine ND ug/L 05/09/24 13:51 134-32-705/09/24 01:448.3 1
2-Naphthalenamine ND ug/L 05/09/24 13:51 91-59-8 M105/09/24 01:448.3 1
1,4-Naphthoquinone ND ug/L 05/09/24 13:51 130-15-4 R105/09/24 01:444.2 1
2-Nitroaniline ND ug/L 05/09/24 13:51 88-74-4 R105/09/24 01:4416.7 1
3-Nitroaniline ND ug/L 05/09/24 13:51 99-09-2 R105/09/24 01:4416.7 1
4-Nitroaniline ND ug/L 05/09/24 13:51 100-01-6 R105/09/24 01:4416.7 1
Nitrobenzene ND ug/L 05/09/24 13:51 98-95-3 R105/09/24 01:448.3 1
2-Nitrophenol ND ug/L 05/09/24 13:51 88-75-505/09/24 01:448.3 1
4-Nitrophenol ND ug/L 05/09/24 13:51 100-02-7 M105/09/24 01:4441.7 1
5-Nitro-o-toluidine ND ug/L 05/09/24 13:51 99-55-8 R105/09/24 01:448.3 1
N-Nitrosodiethylamine ND ug/L 05/09/24 13:51 55-18-5 R105/09/24 01:448.3 1
N-Nitrosodimethylamine ND ug/L 05/09/24 13:51 62-75-9 R105/09/24 01:448.3 1
N-Nitroso-di-n-butylamine ND ug/L 05/09/24 13:51 924-16-3 R105/09/24 01:448.3 1
N-Nitroso-di-n-propylamine ND ug/L 05/09/24 13:51 621-64-7 R105/09/24 01:448.3 1
N-Nitrosodiphenylamine ND ug/L 05/09/24 13:51 86-30-6 R105/09/24 01:448.3 1
N-Nitrosomethylethylamine ND ug/L 05/09/24 13:51 10595-95-6 R105/09/24 01:448.3 1
N-Nitrosopiperidine ND ug/L 05/09/24 13:51 100-75-4 R105/09/24 01:448.3 1
N-Nitrosopyrrolidine ND ug/L 05/09/24 13:51 930-55-2 R105/09/24 01:448.3 1
O,O,O-Triethylphosphorothioate ND ug/L 05/09/24 13:51 126-68-1 R105/09/24 01:448.3 1
2,2'-Oxybis(1-chloropropane)ND ug/L 05/09/24 13:51 108-60-1 R1,v105/09/24 01:448.3 1
Parathion (Ethyl parathion)ND ug/L 05/09/24 13:51 56-38-2 R105/09/24 01:448.3 1
Pentachlorobenzene ND ug/L 05/09/24 13:51 608-93-5 R105/09/24 01:448.3 1
Pentachloronitrobenzene ND ug/L 05/09/24 13:51 82-68-8 R105/09/24 01:448.3 1
Pentachlorophenol ND ug/L 05/09/24 13:51 87-86-5 M105/09/24 01:4416.7 1
Phenacetin ND ug/L 05/09/24 13:51 62-44-2 R105/09/24 01:448.3 1
Phenanthrene ND ug/L 05/09/24 13:51 85-01-8 R105/09/24 01:448.3 1
Phenol ND ug/L 05/09/24 13:51 108-95-2 R105/09/24 01:448.3 1
p-Phenylenediamine ND ug/L 05/09/24 13:51 106-50-305/09/24 01:448.3 1
Phorate ND ug/L 05/09/24 13:51 298-02-2 R1,v105/09/24 01:448.3 1
Pronamide ND ug/L 05/09/24 13:51 23950-58-5 R105/09/24 01:448.3 1
Pyrene ND ug/L 05/09/24 13:51 129-00-0 R105/09/24 01:448.3 1
Safrole ND ug/L 05/09/24 13:51 94-59-7 R105/09/24 01:448.3 1
1,2,4,5-Tetrachlorobenzene ND ug/L 05/09/24 13:51 95-94-3 R105/09/24 01:448.3 1
2,3,4,6-Tetrachlorophenol ND ug/L 05/09/24 13:51 58-90-2 M105/09/24 01:448.3 1
Thionazin ND ug/L 05/09/24 13:51 297-97-2 R105/09/24 01:448.3 1
O-Toluidine ND ug/L 05/09/24 13:51 95-53-4 R105/09/24 01:448.3 1
2,4,5-Trichlorophenol ND ug/L 05/09/24 13:51 95-95-405/09/24 01:448.3 1
2,4,6-Trichlorophenol ND ug/L 05/09/24 13:51 88-06-2 M105/09/24 01:448.3 1
1,3,5-Trinitrobenzene ND ug/L 05/09/24 13:51 99-35-4 R1,v105/09/24 01:448.3 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 7 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8270E Preparation Method: EPA 3510C
Pace Analytical Services - Charlotte
8270E APP9 RV
Surrogates
Nitrobenzene-d5 (S)85 %05/09/24 13:51 4165-60-005/09/24 01:4410-133 1
2-Fluorobiphenyl (S)75 %05/09/24 13:51 321-60-805/09/24 01:4410-130 1
Terphenyl-d14 (S)92 %05/09/24 13:51 1718-51-005/09/24 01:4410-193 1
Phenol-d6 (S)39 %05/09/24 13:51 13127-88-305/09/24 01:4410-130 1
2-Fluorophenol (S)55 %05/09/24 13:51 367-12-405/09/24 01:4410-130 1
2,4,6-Tribromophenol (S)76 %05/09/24 13:51 118-79-605/09/24 01:4410-166 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/09/24 08:59 67-64-125.0 1
Acetonitrile ND ug/L 05/09/24 08:59 75-05-850.0 1
Acrolein ND ug/L 05/09/24 08:59 107-02-810.0 1
Acrylonitrile ND ug/L 05/09/24 08:59 107-13-110.0 1
Allyl chloride ND ug/L 05/09/24 08:59 107-05-12.0 1
Benzene ND ug/L 05/09/24 08:59 71-43-21.0 1
Bromochloromethane ND ug/L 05/09/24 08:59 74-97-51.0 1
Bromodichloromethane ND ug/L 05/09/24 08:59 75-27-41.0 1
Bromoform ND ug/L 05/09/24 08:59 75-25-21.0 1
Bromomethane ND ug/L 05/09/24 08:59 74-83-9 IH,v12.0 1
2-Butanone (MEK)ND ug/L 05/09/24 08:59 78-93-35.0 1
Carbon disulfide ND ug/L 05/09/24 08:59 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/09/24 08:59 56-23-51.0 1
Chlorobenzene ND ug/L 05/09/24 08:59 108-90-71.0 1
Chloroethane ND ug/L 05/09/24 08:59 75-00-3 v11.0 1
Chloroform ND ug/L 05/09/24 08:59 67-66-31.0 1
Chloromethane ND ug/L 05/09/24 08:59 74-87-31.0 1
Chloroprene ND ug/L 05/09/24 08:59 126-99-85.0 1
Dibromochloromethane ND ug/L 05/09/24 08:59 124-48-11.0 1
Dibromomethane ND ug/L 05/09/24 08:59 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/09/24 08:59 95-50-11.0 1
1,3-Dichlorobenzene ND ug/L 05/09/24 08:59 541-73-11.0 1
1,4-Dichlorobenzene ND ug/L 05/09/24 08:59 106-46-71.0 1
trans-1,4-Dichloro-2-butene ND ug/L 05/09/24 08:59 110-57-61.0 1
Dichlorodifluoromethane ND ug/L 05/09/24 08:59 75-71-81.0 1
1,1-Dichloroethane ND ug/L 05/09/24 08:59 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/09/24 08:59 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/09/24 08:59 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/09/24 08:59 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/09/24 08:59 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/09/24 08:59 78-87-51.0 1
1,3-Dichloropropane ND ug/L 05/09/24 08:59 142-28-91.0 1
2,2-Dichloropropane ND ug/L 05/09/24 08:59 594-20-71.0 1
1,1-Dichloropropene ND ug/L 05/09/24 08:59 563-58-61.0 1
cis-1,3-Dichloropropene ND ug/L 05/09/24 08:59 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/09/24 08:59 10061-02-61.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 8 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Ethylbenzene ND ug/L 05/09/24 08:59 100-41-41.0 1
Ethyl methacrylate ND ug/L 05/09/24 08:59 97-63-21.0 1
Hexachloro-1,3-butadiene ND ug/L 05/09/24 08:59 87-68-32.0 1
2-Hexanone ND ug/L 05/09/24 08:59 591-78-65.0 1
Iodomethane ND ug/L 05/09/24 08:59 74-88-420.0 1
Isobutanol ND ug/L 05/09/24 08:59 78-83-1100 1
Methacrylonitrile ND ug/L 05/09/24 08:59 126-98-710.0 1
Methylene Chloride ND ug/L 05/09/24 08:59 75-09-25.0 1
Methyl methacrylate ND ug/L 05/09/24 08:59 80-62-62.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/09/24 08:59 108-10-15.0 1
Naphthalene ND ug/L 05/09/24 08:59 91-20-31.0 1
Propionitrile ND ug/L 05/09/24 08:59 107-12-020.0 1
Styrene ND ug/L 05/09/24 08:59 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/09/24 08:59 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/09/24 08:59 79-34-51.0 1
Tetrachloroethene ND ug/L 05/09/24 08:59 127-18-41.0 1
Toluene ND ug/L 05/09/24 08:59 108-88-31.0 1
1,2,4-Trichlorobenzene ND ug/L 05/09/24 08:59 120-82-11.0 1
1,1,1-Trichloroethane ND ug/L 05/09/24 08:59 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/09/24 08:59 79-00-51.0 1
Trichloroethene ND ug/L 05/09/24 08:59 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/09/24 08:59 75-69-41.0 1
1,2,3-Trichloropropane ND ug/L 05/09/24 08:59 96-18-41.0 1
Vinyl acetate ND ug/L 05/09/24 08:59 108-05-42.0 1
Vinyl chloride ND ug/L 05/09/24 08:59 75-01-41.0 1
Xylene (Total)ND ug/L 05/09/24 08:59 1330-20-71.0 1
m&p-Xylene ND ug/L 05/09/24 08:59 179601-23-12.0 1
o-Xylene ND ug/L 05/09/24 08:59 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)98 %05/09/24 08:59 460-00-470-130 1
1,2-Dichloroethane-d4 (S)104 %05/09/24 08:59 17060-07-070-130 1
Toluene-d8 (S)106 %05/09/24 08:59 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/09/24 10:07 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)93 %05/09/24 10:07 17060-07-067-130 1
Toluene-d8 (S)89 %05/09/24 10:07 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 30.3 mg/L 05/15/24 16:165.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 9 of 42
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Sample: 6801-MW04 Lab ID: 92729715001 Collected: 05/07/24 07:25 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 71.0 mg/L 05/13/24 17:1825.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 7.3 mg/L 05/10/24 12:36 16887-00-61.0 1
Sulfate ND mg/L 05/10/24 12:36 14808-79-81.0 1
Analytical Method: SM 3500-Cr B-2011
Pace Analytical Services - Asheville
Chromium, Hexavalent, 28 Day
Chromium, Hexavalent 0.014 mg/L 05/22/24 13:27 18540-29-9 M1,R10.010 1
Analytical Method: EPA 9012B Preparation Method: EPA 9012B
Pace Analytical Services - Asheville
9012B Cyanide, Total
Cyanide ND mg/L 05/21/24 16:58 57-12-5 M1,P405/20/24 21:480.0080 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 10 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
2283322
8151A
EPA 8151A
Chlorinated Herb. (GC) 8151A
Laboratory:Pace National - Mt. Juliet
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: R4070240-1
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
2,4-D ug/L ND 2.00 05/15/24 18:47
Dalapon ug/L ND 2.00 05/15/24 18:47
2,4-DB ug/L ND 2.00 05/15/24 18:47
Dicamba ug/L ND 2.00 05/15/24 18:47
Dichlorprop ug/L ND 2.00 05/15/24 18:47
Dinoseb ug/L ND 2.00 05/15/24 18:47
MCPA ug/L ND 100 05/15/24 18:47
2-(2-methyl-4-chlorophenoxy)pa ug/L ND 100 05/15/24 18:47
2,4,5-T ug/L ND 2.00 05/15/24 18:47
2,4,5-TP (Silvex)ug/L ND 2.00 05/15/24 18:47
2,4-DCAA (S)%71.4 14.0-158 05/15/24 18:47
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
R4070240-2LABORATORY CONTROL SAMPLE:
LCSSpike
2,4-D ug/L 2.062.50 82.4 50.0-120
Dalapon ug/L ND2.50 76.4 32.0-120
2,4-DB ug/L ND2.50 70.0 53.0-140
Dicamba ug/L ND2.50 69.2 51.0-120
Dichlorprop ug/L ND2.50 71.6 55.0-127
Dinoseb ug/L ND2.50 74.4 36.0-134
MCPA ug/L 147250 58.8 10.0-160
2-(2-methyl-4-chlorophenoxy)pa ug/L 164250 65.6 10.0-160
2,4,5-T ug/L 2.012.50 80.4 54.0-120
2,4,5-TP (Silvex)ug/L ND2.50 74.4 50.0-125
2,4-DCAA (S)%72.4 14.0-158
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
R4070240-3MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
R4070240-4
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
2,4-D ug/L 2.38 89.1 50.0-12089.1 0.002.38ND 2.12 2.12
Dalapon ug/L 2.38 78.6 32.0-12073.1 7.202.38ND ND ND
2,4-DB ug/L 2.38 73.5 53.0-14073.5 0.002.38ND ND ND
Dicamba ug/L 2.38 75.6 51.0-12073.9 2.252.38ND ND ND
Dichlorprop ug/L 2.38 76.1 55.0-12779.8 4.852.38ND ND ND
Dinoseb ug/L 2.38 79.8 36.0-13484.5 5.632.38ND ND 2.01
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
R4070240-3MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
R4070240-4
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
MCPA ug/L 238 63.9 10.0-16071.0 10.6238ND152 169
2-(2-methyl-4-
chlorophenoxy)pa ug/L 238 68.5 10.0-16068.5 0.00238ND163 163
2,4,5-T ug/L 2.38 86.6 54.0-12087.4 0.9662.38ND 2.06 2.08
2,4,5-TP (Silvex)ug/L 2.38 81.9 50.0-12582.4 0.5122.38ND ND ND
2,4-DCAA (S)%79.2 14.0-15898.3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 12 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
855669
EPA 3010A
EPA 6010D
6010 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4414927
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Antimony ug/L ND 5.0 05/22/24 13:12
Arsenic ug/L ND 10.0 05/22/24 13:12
Barium ug/L ND 5.0 05/22/24 13:12
Beryllium ug/L ND 1.0 05/22/24 13:12
Cadmium ug/L ND 1.0 05/22/24 13:12
Chromium ug/L ND 5.0 05/22/24 13:12
Copper ug/L ND 5.0 05/22/24 13:12
Iron ug/L ND 50.0 05/22/24 13:12
Lead ug/L ND 5.0 05/22/24 13:12
Manganese ug/L ND 5.0 05/22/24 13:12
Nickel ug/L ND 5.0 05/22/24 13:12
Selenium ug/L ND 10.0 05/22/24 13:12
Silver ug/L ND 5.0 05/22/24 13:12
Tin ug/L ND 5.0 05/22/24 13:12
Vanadium ug/L ND 5.0 05/22/24 13:12
Zinc ug/L ND 10.0 05/22/24 13:12
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4414928LABORATORY CONTROL SAMPLE:
LCSSpike
Antimony ug/L 504500 101 80-120
Arsenic ug/L 503500 101 80-120
Barium ug/L 521500 104 80-120
Beryllium ug/L 499500 100 80-120
Cadmium ug/L 505500 101 80-120
Chromium ug/L 497500 99 80-120
Copper ug/L 506500 101 80-120
Iron ug/L 51805000 104 80-120
Lead ug/L 505500 101 80-120
Manganese ug/L 513500 103 80-120
Nickel ug/L 502500 100 80-120
Selenium ug/L 503500 101 80-120
Silver ug/L 250250 100 80-120
Tin ug/L 499500 100 80-120
Vanadium ug/L 498500 100 80-120
Zinc ug/L 497500 99 80-120
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 13 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4414929MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4414930
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Antimony ug/L 500 105 75-125106 0500ND527 528
Arsenic ug/L 500 106 75-125106 0500ND529 530
Barium ug/L 500 106 75-125109 250085.8 615 631
Beryllium ug/L 500 106 75-125106 0500ND528 529
Cadmium ug/L 500 105 75-125105 0500ND523 525
Chromium ug/L 500 103 75-125103 0500ND516 516
Copper ug/L 500 104 75-125104 0500ND521 522
Iron ug/L 5000 107 75-125111 350001805550 5710
Lead ug/L 500 103 75-125104 0500ND518 520
Manganese ug/L 500 105 75-125108 2500ND529 542
Nickel ug/L 500 104 75-125105 1500ND523 526
Selenium ug/L 500 109 75-125109 0500ND545 545
Silver ug/L 250 104 75-125104 0250ND259 259
Tin ug/L 500 104 75-125104 0500ND522 522
Vanadium ug/L 500 103 75-125103 0500ND516 518
Zinc ug/L 500 104 75-125104 0500ND527 530
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 14 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853731
EPA 3010A
EPA 6020B
6020 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4405508
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Cobalt ug/L ND 1.0 05/12/24 22:19
Thallium ug/L ND 0.20 05/12/24 22:19
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4405509LABORATORY CONTROL SAMPLE:
LCSSpike
Cobalt ug/L 50.050 100 80-120
Thallium ug/L 24.825 99 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4405510MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4405511
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Cobalt ug/L 50 102 75-125102 050ND51.3 51.1
Thallium ug/L 25 103 75-125102 125ND25.8 25.5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 15 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853210
EPA 8260D
EPA 8260D
8260D MSV Low Level Landfill
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4403001
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
1,1,1,2-Tetrachloroethane ug/L ND 1.0 05/09/24 07:44
1,1,1-Trichloroethane ug/L ND 1.0 05/09/24 07:44
1,1,2,2-Tetrachloroethane ug/L ND 1.0 05/09/24 07:44
1,1,2-Trichloroethane ug/L ND 1.0 05/09/24 07:44
1,1-Dichloroethane ug/L ND 1.0 05/09/24 07:44
1,1-Dichloroethene ug/L ND 1.0 05/09/24 07:44
1,1-Dichloropropene ug/L ND 1.0 05/09/24 07:44
1,2,3-Trichloropropane ug/L ND 1.0 05/09/24 07:44
1,2,4-Trichlorobenzene ug/L ND 1.0 05/09/24 07:44
1,2-Dichlorobenzene ug/L ND 1.0 05/09/24 07:44
1,2-Dichloroethane ug/L ND 1.0 05/09/24 07:44
1,2-Dichloropropane ug/L ND 1.0 05/09/24 07:44
1,3-Dichlorobenzene ug/L ND 1.0 05/09/24 07:44
1,3-Dichloropropane ug/L ND 1.0 05/09/24 07:44
1,4-Dichlorobenzene ug/L ND 1.0 05/09/24 07:44
2,2-Dichloropropane ug/L ND 1.0 05/09/24 07:44
2-Butanone (MEK)ug/L ND 5.0 05/09/24 07:44
2-Hexanone ug/L ND 5.0 05/09/24 07:44
4-Methyl-2-pentanone (MIBK)ug/L ND 5.0 05/09/24 07:44
Acetone ug/L ND 25.0 05/09/24 07:44
Acetonitrile ug/L ND 50.0 05/09/24 07:44
Acrolein ug/L ND 10.0 05/09/24 07:44
Acrylonitrile ug/L ND 10.0 05/09/24 07:44
Allyl chloride ug/L ND 2.0 05/09/24 07:44
Benzene ug/L ND 1.0 05/09/24 07:44
Bromochloromethane ug/L ND 1.0 05/09/24 07:44
Bromodichloromethane ug/L ND 1.0 05/09/24 07:44
Bromoform ug/L ND 1.0 05/09/24 07:44
Bromomethane ug/L ND 2.0 IH,v105/09/24 07:44
Carbon disulfide ug/L ND 2.0 05/09/24 07:44
Carbon tetrachloride ug/L ND 1.0 05/09/24 07:44
Chlorobenzene ug/L ND 1.0 05/09/24 07:44
Chloroethane ug/L ND 1.0 v105/09/24 07:44
Chloroform ug/L ND 1.0 05/09/24 07:44
Chloromethane ug/L ND 1.0 05/09/24 07:44
Chloroprene ug/L ND 5.0 05/09/24 07:44
cis-1,2-Dichloroethene ug/L ND 1.0 05/09/24 07:44
cis-1,3-Dichloropropene ug/L ND 1.0 05/09/24 07:44
Dibromochloromethane ug/L ND 1.0 05/09/24 07:44
Dibromomethane ug/L ND 1.0 05/09/24 07:44
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 16 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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: 4403001
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Dichlorodifluoromethane ug/L ND 1.0 05/09/24 07:44
Ethyl methacrylate ug/L ND 1.0 05/09/24 07:44
Ethylbenzene ug/L ND 1.0 05/09/24 07:44
Hexachloro-1,3-butadiene ug/L ND 2.0 05/09/24 07:44
Iodomethane ug/L ND 20.0 05/09/24 07:44
Isobutanol ug/L ND 100 05/09/24 07:44
m&p-Xylene ug/L ND 2.0 05/09/24 07:44
Methacrylonitrile ug/L ND 10.0 05/09/24 07:44
Methyl methacrylate ug/L ND 2.0 05/09/24 07:44
Methylene Chloride ug/L ND 5.0 05/09/24 07:44
Naphthalene ug/L ND 1.0 05/09/24 07:44
o-Xylene ug/L ND 1.0 05/09/24 07:44
Propionitrile ug/L ND 20.0 05/09/24 07:44
Styrene ug/L ND 1.0 05/09/24 07:44
Tetrachloroethene ug/L ND 1.0 05/09/24 07:44
Toluene ug/L ND 1.0 05/09/24 07:44
trans-1,2-Dichloroethene ug/L ND 1.0 05/09/24 07:44
trans-1,3-Dichloropropene ug/L ND 1.0 05/09/24 07:44
trans-1,4-Dichloro-2-butene ug/L ND 1.0 05/09/24 07:44
Trichloroethene ug/L ND 1.0 05/09/24 07:44
Trichlorofluoromethane ug/L ND 1.0 05/09/24 07:44
Vinyl acetate ug/L ND 2.0 05/09/24 07:44
Vinyl chloride ug/L ND 1.0 05/09/24 07:44
Xylene (Total)ug/L ND 1.0 05/09/24 07:44
1,2-Dichloroethane-d4 (S)%106 70-130 05/09/24 07:44
4-Bromofluorobenzene (S)%96 70-130 05/09/24 07:44
Toluene-d8 (S)%105 70-130 05/09/24 07:44
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4403002LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 21.020 105 70-130
1,1,1-Trichloroethane ug/L 20.220 101 70-130
1,1,2,2-Tetrachloroethane ug/L 19.720 99 70-130
1,1,2-Trichloroethane ug/L 21.020 105 70-130
1,1-Dichloroethane ug/L 21.320 107 70-130
1,1-Dichloroethene ug/L 22.020 110 69-131
1,1-Dichloropropene ug/L 21.320 107 70-132
1,2,3-Trichloropropane ug/L 19.520 97 70-130
1,2,4-Trichlorobenzene ug/L 20.820 104 70-130
1,2-Dichlorobenzene ug/L 21.320 106 70-130
1,2-Dichloroethane ug/L 21.720 108 70-130
1,2-Dichloropropane ug/L 20.920 105 70-130
1,3-Dichlorobenzene ug/L 21.420 107 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: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 17 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403002LABORATORY CONTROL SAMPLE:
LCSSpike
1,3-Dichloropropane ug/L 20.820 104 70-130
1,4-Dichlorobenzene ug/L 20.420 102 70-130
2,2-Dichloropropane ug/L 21.820 109 69-130
2-Butanone (MEK)ug/L 41.740 104 67-133
2-Hexanone ug/L 41.440 104 70-133
4-Methyl-2-pentanone (MIBK)ug/L 38.840 97 70-130
Acetone ug/L 39.940 100 67-130
Acetonitrile ug/L 213200 107 70-130
Acrolein ug/L 91.4100 91 53-166
Acrylonitrile ug/L 102100 102 70-130
Allyl chloride ug/L 23.120 116 69-130
Benzene ug/L 21.120 106 70-130
Bromochloromethane ug/L 22.620 113 70-130
Bromodichloromethane ug/L 21.120 106 70-130
Bromoform ug/L 21.120 106 70-133
Bromomethane ug/L 28.4 IH,v120142 41-148
Carbon disulfide ug/L 21.420 107 70-131
Carbon tetrachloride ug/L 19.720 99 70-130
Chlorobenzene ug/L 20.620 103 70-130
Chloroethane ug/L 22.8 v120114 41-157
Chloroform ug/L 22.720 113 70-130
Chloromethane ug/L 23.720 119 59-141
Chloroprene ug/L 21.320 106 70-130
cis-1,2-Dichloroethene ug/L 21.020 105 70-130
cis-1,3-Dichloropropene ug/L 21.820 109 70-130
Dibromochloromethane ug/L 20.820 104 70-130
Dibromomethane ug/L 19.720 99 70-130
Dichlorodifluoromethane ug/L 23.620 118 54-147
Ethyl methacrylate ug/L 20.920 104 70-130
Ethylbenzene ug/L 20.720 103 70-130
Hexachloro-1,3-butadiene ug/L 20.920 105 70-134
Iodomethane ug/L 41.140 103 57-140
Isobutanol ug/L 415400 104 67-136
m&p-Xylene ug/L 42.840 107 70-130
Methacrylonitrile ug/L 210200 105 70-130
Methyl methacrylate ug/L 20.020 100 70-130
Methylene Chloride ug/L 20.420 102 62-130
Naphthalene ug/L 21.520 107 70-135
o-Xylene ug/L 21.320 106 70-130
Propionitrile ug/L 214200 107 70-130
Styrene ug/L 21.020 105 70-130
Tetrachloroethene ug/L 19.020 95 70-130
Toluene ug/L 20.420 102 70-130
trans-1,2-Dichloroethene ug/L 21.420 107 70-130
trans-1,3-Dichloropropene ug/L 21.420 107 70-130
trans-1,4-Dichloro-2-butene ug/L 21.620 108 57-149
Trichloroethene ug/L 21.520 108 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: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 18 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403002LABORATORY CONTROL SAMPLE:
LCSSpike
Trichlorofluoromethane ug/L 20.120 100 57-130
Vinyl acetate ug/L 45.840 114 70-141
Vinyl chloride ug/L 23.220 116 66-140
Xylene (Total)ug/L 64.060 107 70-130
1,2-Dichloroethane-d4 (S)%100 70-130
4-Bromofluorobenzene (S)%99 70-130
Toluene-d8 (S)%100 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403003MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403004
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 111 70-146104 620ND22.1 20.9
1,1,1-Trichloroethane ug/L 20 125 70-150109 1420ND25.0 21.7
1,1,2,2-Tetrachloroethane ug/L 20 111 66-144102 820ND22.2 20.4
1,1,2-Trichloroethane ug/L 20 112 70-142101 1120ND22.5 20.1
1,1-Dichloroethane ug/L 20 127 68-150111 1420ND25.4 22.1
1,1-Dichloroethene ug/L 20 131 64-162117 1120ND26.2 23.3
1,1-Dichloropropene ug/L 20 131 70-160119 1020ND26.3 23.8
1,2,3-Trichloropropane ug/L 20 110 66-144103 620ND22.0 20.7
1,2,4-Trichlorobenzene ug/L 20 112 69-147106 620ND22.4 21.1
1,2-Dichlorobenzene ug/L 20 114 70-142103 1020ND22.7 20.6
1,2-Dichloroethane ug/L 20 127 68-145112 1320ND25.4 22.4
1,2-Dichloropropane ug/L 20 118 70-144107 1020ND23.6 21.3
1,3-Dichlorobenzene ug/L 20 112 70-142102 1020ND22.3 20.3
1,3-Dichloropropane ug/L 20 116 70-141107 820ND23.1 21.3
1,4-Dichlorobenzene ug/L 20 110 70-140106 420ND22.1 21.2
2,2-Dichloropropane ug/L v12015358-160134 1320ND30.7 26.9
2-Butanone (MEK)ug/L 40 120 57-15699 1840ND47.8 39.8
2-Hexanone ug/L 40 113 62-153105 840ND45.3 41.9
4-Methyl-2-pentanone (MIBK) ug/L 40 107 65-14498 940ND42.8 39.3
Acetone ug/L 40 114 49-162101 1240ND45.4 40.5
Acetonitrile ug/L 200 113 69-145102 10200ND226 204
Acrolein ug/L 100 113 10-200101 10100ND113 101
Acrylonitrile ug/L 100 111 59-15599 12100ND111 98.8
Allyl chloride ug/L 20 129 70-146114 1220ND25.7 22.8
Benzene ug/L 20 119 68-144109 920ND23.8 21.7
Bromochloromethane ug/L 20 115 70-148105 920ND23.0 21.1
Bromodichloromethane ug/L 20 113 70-141105 720ND22.5 21.0
Bromoform ug/L 20 102 59-14494 720ND20.4 18.9
Bromomethane ug/L IH2018123-190170 620ND36.1 34.0
Carbon disulfide ug/L 20 124 64-160116 720ND24.8 23.1
Carbon tetrachloride ug/L 20 117 70-147107 920ND23.3 21.3
Chlorobenzene ug/L 20 108 70-143105 420ND21.7 20.9
Chloroethane ug/L v12015755-190141 1020ND31.3 28.2
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 19 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403003MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403004
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloroform ug/L 20 130 67-148107 1920ND25.9 21.5
Chloromethane ug/L 20 131 38-180118 1020ND26.2 23.7
Chloroprene ug/L 20 129 70-148117 920ND25.8 23.5
cis-1,2-Dichloroethene ug/L 20 126 67-151111 1320ND25.3 22.1
cis-1,3-Dichloropropene ug/L 20 124 70-142111 1120ND24.8 22.1
Dibromochloromethane ug/L 20 106 68-140100 620ND21.3 20.0
Dibromomethane ug/L 20 102 70-142103 120ND20.4 20.6
Dichlorodifluoromethane ug/L 20 179 15-200162 1020ND35.8 32.4
Ethyl methacrylate ug/L 20 115 68-139107 720ND23.0 21.4
Ethylbenzene ug/L 20 117 70-145109 720ND23.4 21.8
Hexachloro-1,3-butadiene ug/L 20 118 64-164115 320ND23.6 22.9
Iodomethane ug/L 40 109 37-160104 440ND43.5 41.7
Isobutanol ug/L 400 114 53-152102 12400ND457 406
m&p-Xylene ug/L 40 119 70-148112 640ND47.5 44.8
Methacrylonitrile ug/L 200 119 70-137105 13200ND238 210
Methyl methacrylate ug/L 20 110 69-134101 820ND22.0 20.2
Methylene Chloride ug/L 20 109 54-14998 1120ND21.8 19.5
Naphthalene ug/L 20 115 62-154103 1020ND23.0 20.7
o-Xylene ug/L 20 114 70-145108 620ND22.9 21.5
Propionitrile ug/L 200 120 70-136106 12200ND240 213
Styrene ug/L 20 113 70-147106 620ND22.6 21.2
Tetrachloroethene ug/L 20 111 70-145101 1020ND22.2 20.1
Toluene ug/L 20 115 65-146106 820ND23.0 21.2
trans-1,2-Dichloroethene ug/L 20 129 69-155114 1320ND25.8 22.7
trans-1,3-Dichloropropene ug/L 20 126 70-142114 1020ND25.2 22.8
trans-1,4-Dichloro-2-butene ug/L 20 120 39-149118 220ND24.0 23.5
Trichloroethene ug/L 20 115 70-152101 1320ND23.0 20.2
Trichlorofluoromethane ug/L 20 131 60-158121 820ND26.2 24.2
Vinyl acetate ug/L 40 131 56-157116 1240ND52.2 46.2
Vinyl chloride ug/L 20 138 51-178123 1120ND27.5 24.6
Xylene (Total)ug/L 60 117 70-146110 660ND70.4 66.3
1,2-Dichloroethane-d4 (S)%115 70-130113
4-Bromofluorobenzene (S)%101 70-130105
Toluene-d8 (S)%100 70-130101
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 20 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853258
EPA 8260D Mod.
EPA 8260D Mod.
8260D MSV SIM
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4403125
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
1,4-Dioxane (p-Dioxane)ug/L ND 2.0 05/09/24 08:40
1,2-Dichloroethane-d4 (S)%91 67-130 05/09/24 08:40
Toluene-d8 (S)%94 70-130 05/09/24 08:40
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4403126LABORATORY CONTROL SAMPLE:
LCSSpike
1,4-Dioxane (p-Dioxane)ug/L 19.120 95 70-130
1,2-Dichloroethane-d4 (S)%89 67-130
Toluene-d8 (S)%93 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403127MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403128
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 96 55-13796 020ND19.2 19.2
1,2-Dichloroethane-d4 (S)%92 67-13091
Toluene-d8 (S)%95 70-13094
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403129MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4403130
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 94 55-13794 020ND18.7 18.8
1,2-Dichloroethane-d4 (S)%94 67-13091
Toluene-d8 (S)%95 70-13094
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 21 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853232
EPA 3510C
EPA 8081B
8081 OC Pesticides Red Vol
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4403078
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
4,4'-DDD ug/L ND 0.050 05/09/24 19:17
4,4'-DDE ug/L ND 0.050 05/09/24 19:17
4,4'-DDT ug/L ND 0.050 05/09/24 19:17
Aldrin ug/L ND 0.050 05/09/24 19:17
alpha-BHC ug/L ND 0.050 05/09/24 19:17
beta-BHC ug/L ND 0.050 05/09/24 19:17
Chlordane (Technical)ug/L ND 0.50 05/09/24 19:17
delta-BHC ug/L ND 0.050 05/09/24 19:17
Dieldrin ug/L ND 0.050 05/09/24 19:17
Endosulfan I ug/L ND 0.050 05/09/24 19:17
Endosulfan II ug/L ND 0.050 05/09/24 19:17
Endosulfan sulfate ug/L ND 0.050 05/09/24 19:17
Endrin ug/L ND 0.050 05/09/24 19:17
Endrin aldehyde ug/L ND 0.050 05/09/24 19:17
gamma-BHC (Lindane)ug/L ND 0.050 05/09/24 19:17
Heptachlor ug/L ND 0.050 05/09/24 19:17
Heptachlor epoxide ug/L ND 0.050 05/09/24 19:17
Methoxychlor ug/L ND 0.15 05/09/24 19:17
Toxaphene ug/L ND 0.50 05/09/24 19:17
Decachlorobiphenyl (S)%123 19-200 05/09/24 19:17
Tetrachloro-m-xylene (S)%106 10-137 05/09/24 19:17
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4403079LABORATORY CONTROL SAMPLE:
LCSSpike
4,4'-DDD ug/L 0.290.25 115 27-195
4,4'-DDE ug/L 0.330.25 132 24-178
4,4'-DDT ug/L 0.330.25 130 25-200
Aldrin ug/L 0.230.25 91 14-135
alpha-BHC ug/L 0.38 L10.25 153 30-146
beta-BHC ug/L 0.320.25 127 38-158
delta-BHC ug/L 0.270.25 107 10-185
Dieldrin ug/L 0.270.25 109 26-180
Endosulfan I ug/L 0.250.25 99 36-154
Endosulfan II ug/L 0.320.25 129 38-155
Endosulfan sulfate ug/L 0.330.25 130 42-170
Endrin ug/L 0.300.25 119 33-190
Endrin aldehyde ug/L 0.350.25 139 33-153
gamma-BHC (Lindane)ug/L 0.280.25 112 32-148
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
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9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 22 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403079LABORATORY CONTROL SAMPLE:
LCSSpike
Heptachlor ug/L 0.280.25 112 32-149
Heptachlor epoxide ug/L 0.280.25 112 37-149
Methoxychlor ug/L 1.00.75 137 35-171
Decachlorobiphenyl (S)%127 19-200
Tetrachloro-m-xylene (S)%105 10-137
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403080MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403081
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
4,4'-DDD ug/L 0.42 115 10-200111 30.42ND 0.48 0.46
4,4'-DDE ug/L 0.42 136 10-188131 30.42ND 0.57 0.55
4,4'-DDT ug/L 0.42 129 10-200115 110.42ND 0.54 0.48
Aldrin ug/L 0.42 87 10-14488 10.42ND 0.36 0.37
alpha-BHC ug/L M00.42 153 21-151142 80.42ND 0.64 0.59
beta-BHC ug/L 0.42 137 21-175117 150.42ND 0.57 0.49
delta-BHC ug/L 0.42 110 15-16394 160.42ND 0.46 0.39
Dieldrin ug/L 0.42 115 10-184104 100.42ND 0.48 0.43
Endosulfan I ug/L 0.42 108 11-180100 80.42ND 0.45 0.42
Endosulfan II ug/L 0.42 135 13-174121 100.42ND 0.56 0.51
Endosulfan sulfate ug/L 0.42 143 25-182125 130.42ND 0.60 0.52
Endrin ug/L 0.42 126 10-200118 70.42ND 0.52 0.49
Endrin aldehyde ug/L 0.42 143 10-167130 100.42ND 0.60 0.54
gamma-BHC (Lindane)ug/L 0.42 117 13-163101 140.42ND 0.49 0.42
Heptachlor ug/L 0.42 113 10-172106 70.42ND 0.47 0.44
Heptachlor epoxide ug/L 0.42 117 10-168106 100.42ND 0.49 0.44
Methoxychlor ug/L 1.2 145 13-183132 101.2ND 1.8 1.6
Decachlorobiphenyl (S)%119 19-200140
Tetrachloro-m-xylene (S)%99 10-13799
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 23 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
854944
EPA 3510C
EPA 8082A
8082 GCS PCB
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4411350
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
PCB-1016 (Aroclor 1016)ug/L ND 0.50 05/21/24 00:54
PCB-1221 (Aroclor 1221)ug/L ND 0.50 05/21/24 00:54
PCB-1232 (Aroclor 1232)ug/L ND 0.50 05/21/24 00:54
PCB-1242 (Aroclor 1242)ug/L ND 0.50 05/21/24 00:54
PCB-1248 (Aroclor 1248)ug/L ND 0.50 05/21/24 00:54
PCB-1254 (Aroclor 1254)ug/L ND 0.50 05/21/24 00:54
PCB-1260 (Aroclor 1260)ug/L ND 0.50 05/21/24 00:54
Decachlorobiphenyl (S)%74 10-193 05/21/24 00:54
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4411351LABORATORY CONTROL SAMPLE:
LCSSpike
PCB-1016 (Aroclor 1016)ug/L 4.95 97 34-137
PCB-1260 (Aroclor 1260)ug/L 4.85 96 39-145
Decachlorobiphenyl (S)%50 10-193
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4411352MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4411353
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
PCB-1016 (Aroclor 1016)ug/L 9.1 89 10-15385 59.1ND 8.1 7.7
PCB-1260 (Aroclor 1260)ug/L 9.1 81 10-15683 39.1ND 7.4 7.6
Decachlorobiphenyl (S)%59 10-19357
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 24 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853102
EPA 3510C
EPA 8270E
8270E Water APP9 RV MSSV
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4402483
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
1,2,4,5-Tetrachlorobenzene ug/L ND 10.0 05/09/24 12:59
1,3,5-Trinitrobenzene ug/L ND 10.0 v105/09/24 12:59
1,3-Dinitrobenzene ug/L ND 10.0 05/09/24 12:59
1,4-Naphthoquinone ug/L ND 5.0 05/09/24 12:59
1-Naphthalenamine ug/L ND 10.0 05/09/24 12:59
2,2'-Oxybis(1-chloropropane)ug/L ND 10.0 v105/09/24 12:59
2,3,4,6-Tetrachlorophenol ug/L ND 10.0 05/09/24 12:59
2,4,5-Trichlorophenol ug/L ND 10.0 05/09/24 12:59
2,4,6-Trichlorophenol ug/L ND 10.0 05/09/24 12:59
2,4-Dichlorophenol ug/L ND 10.0 05/09/24 12:59
2,4-Dimethylphenol ug/L ND 10.0 05/09/24 12:59
2,4-Dinitrophenol ug/L ND 50.0 v105/09/24 12:59
2,4-Dinitrotoluene ug/L ND 10.0 v105/09/24 12:59
2,6-Dichlorophenol ug/L ND 10.0 05/09/24 12:59
2,6-Dinitrotoluene ug/L ND 10.0 05/09/24 12:59
2-Acetylaminofluorene ug/L ND 10.0 05/09/24 12:59
2-Chloronaphthalene ug/L ND 10.0 05/09/24 12:59
2-Chlorophenol ug/L ND 10.0 05/09/24 12:59
2-Methylnaphthalene ug/L ND 10.0 05/09/24 12:59
2-Methylphenol(o-Cresol)ug/L ND 10.0 05/09/24 12:59
2-Naphthalenamine ug/L ND 10.0 05/09/24 12:59
2-Nitroaniline ug/L ND 20.0 05/09/24 12:59
2-Nitrophenol ug/L ND 10.0 05/09/24 12:59
3&4-Methylphenol(m&p Cresol)ug/L ND 10.0 05/09/24 12:59
3,3'-Dichlorobenzidine ug/L ND 20.0 05/09/24 12:59
3,3'-Dimethylbenzidine ug/L ND 50.0 05/09/24 12:59
3-Methylcholanthrene ug/L ND 10.0 05/09/24 12:59
3-Nitroaniline ug/L ND 20.0 05/09/24 12:59
4,6-Dinitro-2-methylphenol ug/L ND 20.0 v105/09/24 12:59
4-Aminobiphenyl ug/L ND 10.0 05/09/24 12:59
4-Bromophenylphenyl ether ug/L ND 10.0 05/09/24 12:59
4-Chloro-3-methylphenol ug/L ND 10.0 05/09/24 12:59
4-Chloroaniline ug/L ND 20.0 05/09/24 12:59
4-Chlorophenylphenyl ether ug/L ND 10.0 05/09/24 12:59
4-Nitroaniline ug/L ND 20.0 05/09/24 12:59
4-Nitrophenol ug/L ND 50.0 05/09/24 12:59
5-Nitro-o-toluidine ug/L ND 10.0 05/09/24 12:59
7,12-Dimethylbenz(a)anthracene ug/L ND 10.0 05/09/24 12:59
Acenaphthene ug/L ND 10.0 05/09/24 12:59
Acenaphthylene ug/L ND 10.0 05/09/24 12:59
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 25 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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: 4402483
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Acetophenone ug/L ND 10.0 05/09/24 12:59
Anthracene ug/L ND 10.0 05/09/24 12:59
Benzo(a)anthracene ug/L ND 10.0 05/09/24 12:59
Benzo(a)pyrene ug/L ND 10.0 05/09/24 12:59
Benzo(b)fluoranthene ug/L ND 10.0 05/09/24 12:59
Benzo(g,h,i)perylene ug/L ND 10.0 05/09/24 12:59
Benzo(k)fluoranthene ug/L ND 10.0 05/09/24 12:59
Benzyl alcohol ug/L ND 20.0 05/09/24 12:59
bis(2-Chloroethoxy)methane ug/L ND 10.0 05/09/24 12:59
bis(2-Chloroethyl) ether ug/L ND 10.0 05/09/24 12:59
bis(2-Ethylhexyl)phthalate ug/L ND 6.0 05/09/24 12:59
Butylbenzylphthalate ug/L ND 10.0 05/09/24 12:59
Chlorobenzilate ug/L ND 10.0 05/09/24 12:59
Chrysene ug/L ND 10.0 05/09/24 12:59
Di-n-butylphthalate ug/L ND 10.0 05/09/24 12:59
Di-n-octylphthalate ug/L ND 10.0 05/09/24 12:59
Diallate ug/L ND 10.0 05/09/24 12:59
Dibenz(a,h)anthracene ug/L ND 10.0 05/09/24 12:59
Dibenzofuran ug/L ND 10.0 05/09/24 12:59
Diethylphthalate ug/L ND 10.0 05/09/24 12:59
Dimethoate ug/L ND 10.0 05/09/24 12:59
Dimethylphthalate ug/L ND 10.0 05/09/24 12:59
Diphenylamine ug/L ND 10.0 05/09/24 12:59
Disulfoton ug/L ND 10.0 05/09/24 12:59
Ethyl methanesulfonate ug/L ND 20.0 05/09/24 12:59
Famphur ug/L ND 10.0 05/09/24 12:59
Fluoranthene ug/L ND 10.0 05/09/24 12:59
Fluorene ug/L ND 10.0 05/09/24 12:59
Hexachlorobenzene ug/L ND 10.0 05/09/24 12:59
Hexachlorocyclopentadiene ug/L ND 10.0 05/09/24 12:59
Hexachloroethane ug/L ND 10.0 05/09/24 12:59
Hexachloropropene ug/L ND 10.0 05/09/24 12:59
Indeno(1,2,3-cd)pyrene ug/L ND 10.0 05/09/24 12:59
Isodrin ug/L ND 10.0 05/09/24 12:59
Isophorone ug/L ND 10.0 05/09/24 12:59
Isosafrole ug/L ND 10.0 05/09/24 12:59
Kepone ug/L ND 20.0 05/09/24 12:59
Methapyrilene ug/L ND 50.0 05/09/24 12:59
Methyl methanesulfonate ug/L ND 5.0 05/09/24 12:59
Methyl parathion ug/L ND 10.0 05/09/24 12:59
N-Nitroso-di-n-butylamine ug/L ND 10.0 05/09/24 12:59
N-Nitroso-di-n-propylamine ug/L ND 10.0 05/09/24 12:59
N-Nitrosodiethylamine ug/L ND 10.0 05/09/24 12:59
N-Nitrosodimethylamine ug/L ND 10.0 05/09/24 12:59
N-Nitrosodiphenylamine ug/L ND 10.0 05/09/24 12:59
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 26 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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: 4402483
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
N-Nitrosomethylethylamine ug/L ND 10.0 05/09/24 12:59
N-Nitrosopiperidine ug/L ND 10.0 05/09/24 12:59
N-Nitrosopyrrolidine ug/L ND 10.0 05/09/24 12:59
Nitrobenzene ug/L ND 10.0 05/09/24 12:59
O,O,O-Triethylphosphorothioate ug/L ND 10.0 05/09/24 12:59
O-Toluidine ug/L ND 10.0 05/09/24 12:59
P-Dimethylaminoazobenzene ug/L ND 5.0 05/09/24 12:59
p-Phenylenediamine ug/L ND 10.0 05/09/24 12:59
Parathion (Ethyl parathion)ug/L ND 10.0 05/09/24 12:59
Pentachlorobenzene ug/L ND 10.0 05/09/24 12:59
Pentachloronitrobenzene ug/L ND 10.0 05/09/24 12:59
Pentachlorophenol ug/L ND 20.0 05/09/24 12:59
Phenacetin ug/L ND 10.0 05/09/24 12:59
Phenanthrene ug/L ND 10.0 05/09/24 12:59
Phenol ug/L ND 10.0 05/09/24 12:59
Phorate ug/L ND 10.0 v105/09/24 12:59
Pronamide ug/L ND 10.0 05/09/24 12:59
Pyrene ug/L ND 10.0 05/09/24 12:59
Safrole ug/L ND 10.0 05/09/24 12:59
Thionazin ug/L ND 10.0 05/09/24 12:59
2,4,6-Tribromophenol (S)%89 10-166 05/09/24 12:59
2-Fluorobiphenyl (S)%88 10-130 05/09/24 12:59
2-Fluorophenol (S)%71 10-130 05/09/24 12:59
Nitrobenzene-d5 (S)%92 10-133 05/09/24 12:59
Phenol-d6 (S)%53 10-130 05/09/24 12:59
Terphenyl-d14 (S)%104 10-193 05/09/24 12:59
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4402484LABORATORY CONTROL SAMPLE:
LCSSpike
1,2,4,5-Tetrachlorobenzene ug/L 26.250 52 18-130
1,3,5-Trinitrobenzene ug/L 82.7 v150165 59-200
1,3-Dinitrobenzene ug/L 60.950 122 51-170
1,4-Naphthoquinone ug/L 54.950 110 32-132
1-Naphthalenamine ug/L 31.950 64 35-140
2,2'-Oxybis(1-chloropropane)ug/L 55.2 v150110 23-130
2,3,4,6-Tetrachlorophenol ug/L 43.750 87 38-154
2,4,5-Trichlorophenol ug/L 48.350 97 36-150
2,4,6-Trichlorophenol ug/L 48.050 96 30-151
2,4-Dichlorophenol ug/L 46.250 92 36-140
2,4-Dimethylphenol ug/L 54.450 109 36-155
2,4-Dinitrophenol ug/L 278 v1250111 10-169
2,4-Dinitrotoluene ug/L 51.3 v150103 46-160
2,6-Dichlorophenol ug/L 54.050 108 34-156
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 27 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4402484LABORATORY CONTROL SAMPLE:
LCSSpike
2,6-Dinitrotoluene ug/L 51.850 104 47-161
2-Acetylaminofluorene ug/L 54.350 109 39-184
2-Chloronaphthalene ug/L 30.450 61 29-134
2-Chlorophenol ug/L 44.050 88 29-130
2-Methylnaphthalene ug/L 28.050 56 26-130
2-Methylphenol(o-Cresol)ug/L 43.650 87 32-130
2-Naphthalenamine ug/L 35.950 72 23-145
2-Nitroaniline ug/L 93.8100 94 41-150
2-Nitrophenol ug/L 47.550 95 31-145
3&4-Methylphenol(m&p Cresol)ug/L 43.550 87 29-130
3,3'-Dichlorobenzidine ug/L 97.0100 97 46-153
3,3'-Dimethylbenzidine ug/L 71.9100 72 24-200
3-Methylcholanthrene ug/L 51.050 102 31-195
3-Nitroaniline ug/L 93.4100 93 47-156
4,6-Dinitro-2-methylphenol ug/L 108 v1100108 23-161
4-Aminobiphenyl ug/L 31.950 64 26-151
4-Bromophenylphenyl ether ug/L 47.850 96 45-143
4-Chloro-3-methylphenol ug/L 97.6100 98 42-143
4-Chloroaniline ug/L 89.1100 89 37-135
4-Chlorophenylphenyl ether ug/L 48.250 96 43-140
4-Nitroaniline ug/L 94.3100 94 47-157
4-Nitrophenol ug/L 135250 54 10-130
5-Nitro-o-toluidine ug/L 53.850 108 54-170
7,12-Dimethylbenz(a)anthracene ug/L 50.150 100 29-176
Acenaphthene ug/L 40.950 82 38-138
Acenaphthylene ug/L 41.150 82 39-139
Acetophenone ug/L 46.950 94 34-135
Anthracene ug/L 47.950 96 45-136
Benzo(a)anthracene ug/L 48.850 98 52-151
Benzo(a)pyrene ug/L 48.650 97 46-165
Benzo(b)fluoranthene ug/L 53.550 107 44-170
Benzo(g,h,i)perylene ug/L 48.050 96 39-171
Benzo(k)fluoranthene ug/L 49.850 100 43-168
Benzyl alcohol ug/L 84.4100 84 33-134
bis(2-Chloroethoxy)methane ug/L 47.850 96 37-140
bis(2-Chloroethyl) ether ug/L 47.850 96 33-136
bis(2-Ethylhexyl)phthalate ug/L 52.550 105 50-169
Butylbenzylphthalate ug/L 52.650 105 50-174
Chlorobenzilate ug/L 52.850 106 46-167
Chrysene ug/L 49.150 98 52-148
Di-n-butylphthalate ug/L 49.950 100 51-154
Di-n-octylphthalate ug/L 53.850 108 44-170
Diallate ug/L 51.350 103 49-147
Dibenz(a,h)anthracene ug/L 47.750 95 41-171
Dibenzofuran ug/L 42.250 84 42-157
Diethylphthalate ug/L 48.750 97 50-149
Dimethoate ug/L 49.850 100 52-169
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 28 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4402484LABORATORY CONTROL SAMPLE:
LCSSpike
Dimethylphthalate ug/L 48.650 97 47-146
Diphenylamine ug/L 47.650 95 53-142
Disulfoton ug/L 50.850 102 45-135
Ethyl methanesulfonate ug/L 48.850 98 27-146
Famphur ug/L 34.150 68 13-130
Fluoranthene ug/L 49.250 98 51-152
Fluorene ug/L 47.250 94 46-143
Hexachlorobenzene ug/L 45.950 92 40-139
Hexachlorocyclopentadiene ug/L 16.650 33 10-130
Hexachloroethane ug/L 16.850 34 10-130
Hexachloropropene ug/L 21.450 43 10-130
Indeno(1,2,3-cd)pyrene ug/L 46.050 92 40-172
Isodrin ug/L 51.850 104 50-150
Isophorone ug/L 50.350 101 37-143
Isosafrole ug/L 39.850 80 35-130
Kepone ug/L 77.9100 78 12-130
Methapyrilene ug/L ND50 19 10-188
Methyl methanesulfonate ug/L 37.150 74 24-135
Methyl parathion ug/L 57.050 114 59-174
N-Nitroso-di-n-butylamine ug/L 37.250 74 33-130
N-Nitroso-di-n-propylamine ug/L 53.750 107 38-145
N-Nitrosodiethylamine ug/L 45.750 91 26-145
N-Nitrosodimethylamine ug/L 41.950 84 30-130
N-Nitrosodiphenylamine ug/L 47.650 95 46-144
N-Nitrosomethylethylamine ug/L 45.150 90 19-138
N-Nitrosopiperidine ug/L 48.350 97 35-147
N-Nitrosopyrrolidine ug/L 47.650 95 31-142
Nitrobenzene ug/L 43.850 88 33-136
O,O,O-Triethylphosphorothioate ug/L 45.350 91 27-136
O-Toluidine ug/L 43.350 87 27-140
P-Dimethylaminoazobenzene ug/L 48.3100 48 23-130
p-Phenylenediamine ug/L ND
Parathion (Ethyl parathion)ug/L 58.850 118 59-171
Pentachlorobenzene ug/L 42.950 86 42-138
Pentachloronitrobenzene ug/L 58.350 117 64-185
Pentachlorophenol ug/L 90.7100 91 19-156
Phenacetin ug/L 52.250 104 57-174
Phenanthrene ug/L 47.450 95 49-143
Phenol ug/L 26.850 54 18-130
Phorate ug/L 69.0 v150138 41-200
Pronamide ug/L 53.350 107 59-174
Pyrene ug/L 49.250 98 48-156
Safrole ug/L 38.350 77 31-136
Thionazin ug/L 50.450 101 52-151
2,4,6-Tribromophenol (S)%91 10-166
2-Fluorobiphenyl (S)%67 10-130
2-Fluorophenol (S)%64 10-130
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 29 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4402484LABORATORY CONTROL SAMPLE:
LCSSpike
Nitrobenzene-d5 (S)%85 10-133
Phenol-d6 (S)%52 10-130
Terphenyl-d14 (S)%95 10-193
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403011MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403012
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,2,4,5-Tetrachlorobenzene ug/L R141.7 75 10-13683 7583.3ND 31.4 69.1
1,3,5-Trinitrobenzene ug/L R1,v141.7 141 32-200161 7883.3ND 58.8 134
1,3-Dinitrobenzene ug/L R141.7 101 30-173108 7283.3ND 42.3 90.2
1,4-Naphthoquinone ug/L R141.7 100 10-144132 9083.3ND 41.7 110
1-Naphthalenamine ug/L 41.7 67 10-1561883.3ND 28.1 14.8J
2,2'-Oxybis(1-chloropropane) ug/L R1,v141.7 99 10-132104 7183.3ND 41.3 87.0
2,3,4,6-Tetrachlorophenol ug/L M141.7 4 10-1858283.3ND 1.5J 68.5
2,4,5-Trichlorophenol ug/L 41.7 17 10-1749083.3ND 7J 75.3
2,4,6-Trichlorophenol ug/L M141.7 6 10-1738783.3ND 2.5J 72.8
2,4-Dichlorophenol ug/L R141.7 25 10-15383 14883.3ND 10.3 69.4
2,4-Dimethylphenol ug/L R141.7 91 12-15781 5683.3ND 37.9 67.4
2,4-Dinitrophenol ug/L M1,v1208010-165104417NDND 435
2,4-Dinitrotoluene ug/L R1,v141.7 89 29-16896 7383.3ND 37.2 80.1
2,6-Dichlorophenol ug/L M141.7 8 10-1789583.3ND ND 79.4
2,6-Dinitrotoluene ug/L R141.7 93 28-16898 7283.3ND 38.5 81.5
2-Acetylaminofluorene ug/L R141.7 86 20-194100 8083.3ND 35.7 83.7
2-Chloronaphthalene ug/L R141.7 71 11-13680 7683.3ND 29.7 66.4
2-Chlorophenol ug/L R141.7 24 10-13482 14983.3ND 10 68.7
2-Methylnaphthalene ug/L R141.7 77 10-13186 7683.3ND 32.0 71.4
2-Methylphenol(o-Cresol)ug/L R141.7 69 10-13067 6583.3ND 28.5 56.2
2-Naphthalenamine ug/L M141.7 68 10-147083.3ND 28.3 ND
2-Nitroaniline ug/L R183.3 82 19-15688 73167ND68.4 147
2-Nitrophenol ug/L 41.7 19 10-1609283.3ND 7.7J 76.3
3&4-Methylphenol(m&p
Cresol)
ug/L R141.7 63 10-13273 7983.3ND 26.3 60.5
3,3'-Dichlorobenzidine ug/L R183.3 86 10-17364 40167ND71.8 107
3,3'-Dimethylbenzidine ug/L 83.3 77 10-20023167ND64.4 ND
3-Methylcholanthrene ug/L R141.7 93 10-20093 6783.3ND 38.8 77.6
3-Nitroaniline ug/L R183.3 85 19-16989 70167ND70.9 148
4,6-Dinitro-2-methylphenol ug/L M1,v183.3 0 10-17897167NDND 162
4-Aminobiphenyl ug/L 41.7 76 10-17045 1883.3ND 31.6 37.8
4-Bromophenylphenyl ether ug/L R141.7 83 28-14985 6983.3ND 34.5 70.9
4-Chloro-3-methylphenol ug/L R183.3 71 18-14885 82167ND59.1 141
4-Chloroaniline ug/L R183.3 83 10-14180 63167ND68.9 133
4-Chlorophenylphenyl ether ug/L R141.7 86 24-14491 7183.3ND 36.0 75.9
4-Nitroaniline ug/L R183.3 82 18-17085 71167ND67.9 142
4-Nitrophenol ug/L M1208010-13054417NDND 225
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 30 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403011MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403012
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
5-Nitro-o-toluidine ug/L R141.7 96 38-167104 7483.3ND 39.9 86.5
7,12-
Dimethylbenz(a)anthracene ug/L R141.7 90 10-18294 7083.3ND 37.7 78.3
Acenaphthene ug/L R141.7 82 18-14288 7383.3ND 34.1 73.4
Acenaphthylene ug/L R141.7 82 18-14388 7383.3ND 34.3 73.5
Acetophenone ug/L R141.7 82 10-14292 7783.3ND 34.1 76.6
Anthracene ug/L R141.7 84 32-13889 7283.3ND 34.9 74.2
Benzo(a)anthracene ug/L R141.7 87 41-15593 7383.3ND 36.0 77.4
Benzo(a)pyrene ug/L R141.7 87 10-16791 7083.3ND 36.4 75.9
Benzo(b)fluoranthene ug/L R141.7 97 31-172101 7083.3ND 40.6 84.3
Benzo(g,h,i)perylene ug/L R141.7 87 26-17788 6883.3ND 36.3 73.4
Benzo(k)fluoranthene ug/L R141.7 87 31-16892 7183.3ND 36.5 76.9
Benzyl alcohol ug/L R183.3 74 10-13683 76167ND62.0 138
bis(2-Chloroethoxy)methane ug/L R141.7 86 12-14391 7283.3ND 35.7 76.0
bis(2-Chloroethyl) ether ug/L R141.7 83 10-13992 7683.3ND 34.7 76.9
bis(2-Ethylhexyl)phthalate ug/L R141.7 91 41-17399 7483.3ND 37.9 82.6
Butylbenzylphthalate ug/L R141.7 92 38-18299 7383.3ND 38.1 82.3
Chlorobenzilate ug/L R141.7 93 33-17598 7183.3ND 38.7 81.5
Chrysene ug/L R141.7 87 41-15294 7483.3ND 36.1 78.2
Di-n-butylphthalate ug/L R141.7 88 37-16294 7283.3ND 36.7 78.1
Di-n-octylphthalate ug/L R141.7 95 36-176104 7483.3ND 39.6 86.6
Diallate ug/L R141.7 88 26-15591 7083.3ND 36.8 76.2
Dibenz(a,h)anthracene ug/L R141.7 88 29-17590 6983.3ND 36.8 75.2
Dibenzofuran ug/L R141.7 81 23-14485 7283.3ND 33.6 71.1
Diethylphthalate ug/L R141.7 89 33-15492 6983.3ND 37.1 76.6
Dimethoate ug/L R141.7 89 41-16998 7683.3ND 36.9 81.9
Dimethylphthalate ug/L R141.7 87 29-15091 7183.3ND 36.2 76.1
Diphenylamine ug/L R141.7 81 34-14677 6283.3ND 33.8 64.2
Disulfoton ug/L R141.7 88 36-13391 6983.3ND 36.7 75.8
Ethyl methanesulfonate ug/L R141.7 86 10-14795 7583.3ND 35.8 79.1
Famphur ug/L R141.7 47 10-13073 10283.3ND 19.7 60.6
Fluoranthene ug/L R141.7 89 40-15695 7283.3ND 37.1 78.9
Fluorene ug/L R141.7 87 26-14891 7083.3ND 36.3 75.8
Hexachlorobenzene ug/L R141.7 80 27-14584 7183.3ND 33.1 70.0
Hexachlorocyclopentadiene ug/L R141.7 60 10-13070 7983.3ND 25.1 58.0
Hexachloroethane ug/L R141.7 50 10-13056 7683.3ND 21.0 46.7
Hexachloropropene ug/L R141.7 60 10-13068 7783.3ND 25.2 56.4
Indeno(1,2,3-cd)pyrene ug/L R141.7 84 28-17688 7083.3ND 35.1 73.2
Isodrin ug/L R141.7 91 33-15395 7083.3ND 38.0 79.5
Isophorone ug/L R141.7 87 14-14593 7283.3ND 36.3 77.1
Isosafrole ug/L R141.7 79 13-13683 7183.3ND 32.8 69.3
Kepone ug/L R183.3 42 10-13084 121167ND34.8 141
Methapyrilene ug/L 41.7 45 10-2002283.3ND 18.7J ND
Methyl methanesulfonate ug/L R141.7 65 10-13870 7483.3ND 26.9 58.7
Methyl parathion ug/L R141.7 98 44-177109 7583.3ND 40.9 90.5
N-Nitroso-di-n-butylamine ug/L R141.7 76 14-13376 6783.3ND 31.8 63.6
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 31 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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.
4403011MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403012
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
N-Nitroso-di-n-propylamine ug/L R141.7 92 12-149101 7583.3ND 38.2 84.0
N-Nitrosodiethylamine ug/L R141.7 81 10-14890 7683.3ND 33.7 74.9
N-Nitrosodimethylamine ug/L R141.7 71 10-13079 7683.3ND 29.5 65.8
N-Nitrosodiphenylamine ug/L R141.7 81 29-14977 6283.3ND 33.8 64.2
N-Nitrosomethylethylamine ug/L R141.7 76 10-13997 8883.3ND 31.5 80.8
N-Nitrosopiperidine ug/L R141.7 86 14-15189 6983.3ND 36.0 74.2
N-Nitrosopyrrolidine ug/L R141.7 80 14-14390 7783.3ND 33.4 74.9
Nitrobenzene ug/L R141.7 77 10-14583 7383.3ND 31.9 68.8
O,O,O-
Triethylphosphorothioate ug/L R141.7 88 10-14290 6883.3ND 36.6 74.7
O-Toluidine ug/L R141.7 78 10-13754 3283.3ND 32.5 44.8
P-Dimethylaminoazobenzene ug/L R183.3 43 17-13044 69167ND36.0 73.6
p-Phenylenediamine ug/L ND ND ND
Parathion (Ethyl parathion)ug/L R141.7 105 45-174113 7383.3ND 43.8 93.8
Pentachlorobenzene ug/L R141.7 83 20-14387 7183.3ND 34.4 72.2
Pentachloronitrobenzene ug/L R141.7 92 39-186109 8183.3ND 38.5 90.7
Pentachlorophenol ug/L M183.3 2 10-17880167NDND 133
Phenacetin ug/L R141.7 92 36-185100 7483.3ND 38.3 83.6
Phenanthrene ug/L R141.7 83 36-14687 7183.3ND 34.6 72.4
Phenol ug/L R141.7 28 10-13036 8983.3ND 11.6 30.2
Phorate ug/L R1,v141.7 119 26-200125 7183.3ND 49.7 105
Pronamide ug/L R141.7 96 40-181101 7183.3ND 40.1 84.4
Pyrene ug/L R141.7 87 42-15693 7283.3ND 36.3 77.5
Safrole ug/L R141.7 88 10-14291 7083.3ND 36.6 76.0
Thionazin ug/L R141.7 88 31-15994 7383.3ND 36.7 78.4
2,4,6-Tribromophenol (S)%18 10-16682
2-Fluorobiphenyl (S)%95 10-13083
2-Fluorophenol (S)%S0810-13053
Nitrobenzene-d5 (S)%102 10-13389
Phenol-d6 (S)%28 10-13038
Terphenyl-d14 (S)%104 10-19392
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 32 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
854658
SM 2320B-2011
SM 2320B-2011
2320B Alkalinity
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4409741
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Alkalinity, Total as CaCO3 mg/L ND 5.0 05/15/24 15:27
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409742LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 50.650 101 80-120
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409743LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 51.250 102 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409744MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4409745
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 99 80-120100 15030.3 79.6 80.1
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409746MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4409747
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 99 80-12098 15038.6 88.0 87.5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 33 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
854175
SM 2540C-2015
SM 2540C-2015
2540C Total Dissolved Solids
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4407360
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Total Dissolved Solids mg/L ND 25.0 05/13/24 17:18
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4407361LABORATORY CONTROL SAMPLE:
LCSSpike
Total Dissolved Solids mg/L 246250 98 90-110
Parameter Units
Dup
Result QualifiersRPDResult
92729715001
4407433SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 75.0 571.0
Parameter Units
Dup
Result QualifiersRPDResult
92729723002
4407434SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 79.0 482.0
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 34 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
853515
EPA 300.0 Rev 2.1 1993
EPA 300.0 Rev 2.1 1993
300.0 IC Anions
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4404551
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Chloride mg/L ND 1.0 05/09/24 22:33
Sulfate mg/L ND 1.0 05/09/24 22:33
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4404552LABORATORY CONTROL SAMPLE:
LCSSpike
Chloride mg/L 48.750 97 90-110
Sulfate mg/L 47.450 95 90-110
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4404553MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729911001
4404554
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 100 90-110104 25030.2 80.4 82.3
Sulfate mg/L 50 98 90-110101 3504.6 53.6 55.2
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4404555MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4404556
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 101 90-110103 2507.3 57.8 58.9
Sulfate mg/L 50 98 90-110101 250ND49.4 50.6
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 35 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
856359
SM 3500-Cr B-2011
SM 3500-Cr B-2011
Chromium, Hexavalent by SM3500-Cr B-2011
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4418069
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Chromium, Hexavalent mg/L ND 0.010 05/22/24 13:24
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4418070LABORATORY CONTROL SAMPLE:
LCSSpike
Chromium, Hexavalent mg/L 0.270.25 106 90-110
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4418071MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4418072
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chromium, Hexavalent mg/L M1,R10.25 0 90-110-1 150.250.014 0.013 0.011
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4418073MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4418074
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chromium, Hexavalent mg/L M1,R10.25 -4 90-1102 620.250.026 0.016 0.030
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 36 of 42
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
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:
855858
EPA 9012B
EPA 9012B
EPA 9012B Cyanide
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729715001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4415741
Associated Lab Samples:92729715001
Matrix: Water
Analyzed
Cyanide mg/L ND 0.0080 05/21/24 16:56
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4415742LABORATORY CONTROL SAMPLE:
LCSSpike
Cyanide mg/L 0.110.1 106 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4415743MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4415744
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Cyanide mg/L M10.1 0 75-1251060.1ND ND 0.11
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4415745MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92731365002
4415746
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Cyanide mg/L M10.1 48 75-12548 00.10.069 0.12 0.12
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
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[phone]
Page 37 of 42
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean-Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPAMethod 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
This analyte exceeded secondary source verification criteria high for the initial calibration. The reported results should be
considered an estimated value.IH
Analyte recovery in the laboratory control sample (LCS) was above QC limits. Results for this analyte in associated
samples may be biased high.L1
Matrix spike recovery and/or matrix spike duplicate recovery was outside laboratory control limits.M0
Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.M1
Sample field preservation does not meet EPA or method recommendations for this analysis.P4
RPD value was outside control limits.R1
Surrogate recovery outside laboratory control limits.S0
The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the
associated samples may have a high bias.v1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
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Page 38 of 42
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92729715
OCSWM SPRING-NORTH (MW-04)
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92729715001 2283322 22833226801-MW04 8151A EPA 8151A
92729715001 853232 8533506801-MW04 EPA 3510C EPA 8081B
92729715001 854944 8554156801-MW04 EPA 3510C EPA 8082A
92729715001 855669 8556896801-MW04 EPA 3010A EPA 6010D
92729715001 853731 8537916801-MW04 EPA 3010A EPA 6020B
92729715001 853102 8532696801-MW04 EPA 3510C EPA 8270E
92729715001 8532106801-MW04 EPA 8260D
92729715001 8532586801-MW04 EPA 8260D Mod.
92729715001 8546586801-MW04 SM 2320B-2011
92729715001 8541756801-MW04 SM 2540C-2015
92729715001 8535156801-MW04 EPA 300.0 Rev 2.1 1993
92729715001 8563596801-MW04 SM 3500-Cr B-2011
92729715001 855858 8559416801-MW04 EPA 9012B EPA 9012B
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 05/23/2024 04:07 PM
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Page 39 of 42
Page 40 of 42
Page 41 of 42
Page 42 of 42

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 7: Shared Monitoring Wells (MW-110S, MW-110D)
#=CL#
June 12, 2024
LIMS USE: FR - DEBORAH COAKLEY
LIMS OBJECT ID: 92729723
92729723
Project:
Pace Project No.:
RE:
Deborah Ann Coakley
TRC Companies
1030 Wilmer Ave.
Suite 100
Richmond, VA 23227
OCSWM SPRING-SOUTH MW110D/MW11
Dear Deborah Coakley:
Enclosed are the analytical results for sample(s) received by the laboratory on May 07, 2024. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNI/NELAC Standards and the
laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services - Asheville
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Matthew Brainard
[e-mail]
Project Manager
704-977-0942
Enclosures
cc: Sean Jarvah, TRC Companies
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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[phone]
Page 1 of 28
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water #: LA029
Virginia/VELAP Certification #: 460221
Pace Analytical Services Asheville
2225 Riverside Drive, Asheville, NC 28804
Florida/NELAP Certification #: E87648
North Carolina Drinking Water Certification #: 37712
North Carolina Wastewater Certification #: 40
South Carolina Laboratory ID: 99030
South Carolina Certification #: 99030001
Virginia/VELAP Certification #: 460222
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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Page 2 of 28
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92729723001 6801-MW110D EPA 6010D 1 PASI-ADBB1
SM 3500-Cr B-2011 1 PASI-AJMH1
92729723002 6801-MW110S EPA 6010D 15 PASI-ASBW
EPA 6020B 2 PASI-AKRL
EPA 7470A 1 PASI-ABM
EPA 8260D 51 PASI-CGAW
EPA 8260D Mod.3 PASI-CJJK
SM 2320B-2011 1 PASI-ASMS
SM 2540C-2015 1 PASI-ACMW1
EPA 300.0 Rev 2.1 1993 2 PASI-ACDC
SM 3500-Cr B-2011 1 PASI-AJMH1
PASI-A = Pace Analytical Services - Asheville
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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[phone]
Page 3 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Sample: 6801-MW110D Lab ID: 92729723001 Collected: 05/07/24 13:05 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Arsenic 58.8 ug/L 05/22/24 13:59 7440-38-205/19/24 13:0010.0 1
Analytical Method: SM 3500-Cr B-2011
Pace Analytical Services - Asheville
Chromium, Hexavalent, 28 Day
Chromium, Hexavalent 0.025 mg/L 05/22/24 13:33 18540-29-90.010 1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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9800 Kincey Ave. Suite 100
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[phone]
Page 4 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Sample: 6801-MW110S Lab ID: 92729723002 Collected: 05/07/24 12:10 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 6010D Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6010 MET ICP
Antimony ND ug/L 05/22/24 09:41 7440-36-005/19/24 13:005.0 1
Arsenic ND ug/L 05/22/24 09:41 7440-38-205/19/24 13:0010.0 1
Barium ND ug/L 05/22/24 09:41 7440-39-305/19/24 13:005.0 1
Beryllium ND ug/L 05/22/24 09:41 7440-41-705/19/24 13:001.0 1
Cadmium ND ug/L 05/22/24 09:41 7440-43-905/19/24 13:001.0 1
Chromium ND ug/L 05/22/24 09:41 7440-47-305/19/24 13:005.0 1
Copper ND ug/L 05/22/24 09:41 7440-50-805/19/24 13:005.0 1
Iron 123 ug/L 05/22/24 09:41 7439-89-605/19/24 13:0050.0 1
Lead ND ug/L 05/22/24 09:41 7439-92-105/19/24 13:005.0 1
Manganese ND ug/L 05/22/24 09:41 7439-96-505/19/24 13:005.0 1
Nickel ND ug/L 05/22/24 09:41 7440-02-005/19/24 13:005.0 1
Selenium ND ug/L 05/22/24 09:41 7782-49-205/19/24 13:0010.0 1
Silver ND ug/L 05/22/24 09:41 7440-22-405/19/24 13:005.0 1
Vanadium ND ug/L 05/22/24 09:41 7440-62-205/19/24 13:005.0 1
Zinc ND ug/L 05/22/24 09:41 7440-66-605/19/24 13:0010.0 1
Analytical Method: EPA 6020B Preparation Method: EPA 3010A
Pace Analytical Services - Asheville
6020 MET ICPMS
Cobalt ND ug/L 05/12/24 22:16 7440-48-405/11/24 15:231.0 1
Thallium ND ug/L 05/12/24 22:16 7440-28-005/11/24 15:230.20 1
Analytical Method: EPA 7470A Preparation Method: EPA 7470A
Pace Analytical Services - Asheville
7470 Mercury
Mercury ND ug/L 05/15/24 11:57 7439-97-605/14/24 14:460.20 1
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/10/24 03:58 67-64-125.0 1
Acrylonitrile ND ug/L 05/10/24 03:58 107-13-110.0 1
Benzene ND ug/L 05/10/24 03:58 71-43-21.0 1
Bromochloromethane ND ug/L 05/10/24 03:58 74-97-51.0 1
Bromodichloromethane ND ug/L 05/10/24 03:58 75-27-41.0 1
Bromoform ND ug/L 05/10/24 03:58 75-25-21.0 1
Bromomethane ND ug/L 05/10/24 03:58 74-83-9 v12.0 1
2-Butanone (MEK)ND ug/L 05/10/24 03:58 78-93-3 v35.0 1
Carbon disulfide ND ug/L 05/10/24 03:58 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/10/24 03:58 56-23-51.0 1
Chlorobenzene ND ug/L 05/10/24 03:58 108-90-71.0 1
Chloroethane ND ug/L 05/10/24 03:58 75-00-3 v31.0 1
Chloroform ND ug/L 05/10/24 03:58 67-66-31.0 1
Chloromethane ND ug/L 05/10/24 03:58 74-87-31.0 1
Dibromochloromethane ND ug/L 05/10/24 03:58 124-48-11.0 1
Dibromomethane ND ug/L 05/10/24 03:58 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/10/24 03:58 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/10/24 03:58 106-46-71.0 1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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9800 Kincey Ave. Suite 100
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Page 5 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Sample: 6801-MW110S Lab ID: 92729723002 Collected: 05/07/24 12:10 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
trans-1,4-Dichloro-2-butene ND ug/L 05/10/24 03:58 110-57-61.0 1
1,1-Dichloroethane ND ug/L 05/10/24 03:58 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/10/24 03:58 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/10/24 03:58 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/10/24 03:58 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/10/24 03:58 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/10/24 03:58 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/10/24 03:58 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/10/24 03:58 10061-02-61.0 1
Ethylbenzene ND ug/L 05/10/24 03:58 100-41-41.0 1
2-Hexanone ND ug/L 05/10/24 03:58 591-78-65.0 1
Iodomethane ND ug/L 05/10/24 03:58 74-88-420.0 1
Methylene Chloride ND ug/L 05/10/24 03:58 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/10/24 03:58 108-10-15.0 1
Styrene ND ug/L 05/10/24 03:58 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/10/24 03:58 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/10/24 03:58 79-34-51.0 1
Tetrachloroethene ND ug/L 05/10/24 03:58 127-18-41.0 1
Tetrahydrofuran ND ug/L 05/10/24 03:58 109-99-910.0 1
Toluene ND ug/L 05/10/24 03:58 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/10/24 03:58 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/10/24 03:58 79-00-51.0 1
Trichloroethene ND ug/L 05/10/24 03:58 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/10/24 03:58 75-69-41.0 1
1,2,3-Trichloropropane ND ug/L 05/10/24 03:58 96-18-41.0 1
Vinyl acetate ND ug/L 05/10/24 03:58 108-05-42.0 1
Vinyl chloride ND ug/L 05/10/24 03:58 75-01-4 v31.0 1
Xylene (Total)ND ug/L 05/10/24 03:58 1330-20-71.0 1
m&p-Xylene ND ug/L 05/10/24 03:58 179601-23-12.0 1
o-Xylene ND ug/L 05/10/24 03:58 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)97 %05/10/24 03:58 460-00-470-130 1
1,2-Dichloroethane-d4 (S)99 %05/10/24 03:58 17060-07-070-130 1
Toluene-d8 (S)99 %05/10/24 03:58 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/09/24 13:22 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)97 %05/09/24 13:22 17060-07-067-130 1
Toluene-d8 (S)97 %05/09/24 13:22 2037-26-570-130 1
Analytical Method: SM 2320B-2011
Pace Analytical Services - Asheville
2320B Alkalinity
Alkalinity, Total as CaCO3 38.6 mg/L 05/15/24 16:335.0 1
REPORT OF LABORATORY ANALYSIS
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Page 6 of 28
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Sample: 6801-MW110S Lab ID: 92729723002 Collected: 05/07/24 12:10 Received: 05/07/24 14:45 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: SM 2540C-2015
Pace Analytical Services - Asheville
2540C Total Dissolved Solids
Total Dissolved Solids 82.0 mg/L 05/13/24 17:2025.0 1
Analytical Method: EPA 300.0 Rev 2.1 1993
Pace Analytical Services - Asheville
300.0 IC Anions 28 Days
Chloride 2.5 mg/L 05/10/24 05:34 16887-00-61.0 1
Sulfate 1.2 mg/L 05/10/24 05:34 14808-79-8 M11.0 1
Analytical Method: SM 3500-Cr B-2011
Pace Analytical Services - Asheville
Chromium, Hexavalent, 28 Day
Chromium, Hexavalent 0.026 mg/L 05/22/24 13:33 18540-29-9 M1,R10.010 1
REPORT OF LABORATORY ANALYSIS
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Page 7 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
854365
EPA 7470A
EPA 7470A
7470 Mercury
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4408324
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Mercury ug/L ND 0.20 05/15/24 11:40
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4408325LABORATORY CONTROL SAMPLE:
LCSSpike
Mercury ug/L 2.42.5 97 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4408326MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4408327
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Mercury ug/L 2.5 105 75-12599 62.5ND 2.6 2.5
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 8 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
855669
EPA 3010A
EPA 6010D
6010 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723001
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4414927
Associated Lab Samples:92729723001
Matrix: Water
Analyzed
Arsenic ug/L ND 10.0 05/22/24 13:12
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4414928LABORATORY CONTROL SAMPLE:
LCSSpike
Arsenic ug/L 503500 101 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4414929MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4414930
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Arsenic ug/L 500 106 75-125106 0500ND529 530
REPORT OF LABORATORY ANALYSIS
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Page 9 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
855671
EPA 3010A
EPA 6010D
6010 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4414935
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Antimony ug/L ND 5.0 05/22/24 09:35
Arsenic ug/L ND 10.0 05/22/24 09:35
Barium ug/L ND 5.0 05/22/24 09:35
Beryllium ug/L ND 1.0 05/22/24 09:35
Cadmium ug/L ND 1.0 05/22/24 09:35
Chromium ug/L ND 5.0 05/22/24 09:35
Copper ug/L ND 5.0 05/22/24 09:35
Iron ug/L ND 50.0 05/22/24 09:35
Lead ug/L ND 5.0 05/22/24 09:35
Manganese ug/L ND 5.0 05/22/24 09:35
Nickel ug/L ND 5.0 05/22/24 09:35
Selenium ug/L ND 10.0 05/22/24 09:35
Silver ug/L ND 5.0 05/22/24 09:35
Vanadium ug/L ND 5.0 05/22/24 09:35
Zinc ug/L ND 10.0 05/22/24 09:35
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4414936LABORATORY CONTROL SAMPLE:
LCSSpike
Antimony ug/L 510500 102 80-120
Arsenic ug/L 517500 103 80-120
Barium ug/L 514500 103 80-120
Beryllium ug/L 513500 103 80-120
Cadmium ug/L 507500 101 80-120
Chromium ug/L 499500 100 80-120
Copper ug/L 504500 101 80-120
Iron ug/L 52505000 105 80-120
Lead ug/L 502500 100 80-120
Manganese ug/L 526500 105 80-120
Nickel ug/L 505500 101 80-120
Selenium ug/L 515500 103 80-120
Silver ug/L 249250 100 80-120
Vanadium ug/L 505500 101 80-120
Zinc ug/L 510500 102 80-120
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 10 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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.
4414937MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4414938
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Antimony ug/L 500 108 75-125108 0500ND540 538
Arsenic ug/L 500 108 75-125108 1500ND542 539
Barium ug/L 500 108 75-125106 2500ND545 537
Beryllium ug/L 500 109 75-125109 0500ND545 546
Cadmium ug/L 500 105 75-125105 0500ND525 523
Chromium ug/L 500 104 75-125104 0500ND522 523
Copper ug/L 500 103 75-125103 0500ND517 516
Iron ug/L 5000 112 75-125111 250001235750 5660
Lead ug/L 500 104 75-125104 0500ND519 518
Manganese ug/L 500 111 75-125109 2500ND556 547
Nickel ug/L 500 104 75-125104 1500ND523 520
Selenium ug/L 500 112 75-125113 1500ND560 563
Silver ug/L 250 105 75-125105 0250ND261 262
Vanadium ug/L 500 105 75-125104 1500ND523 520
Zinc ug/L 500 107 75-125106 0500ND535 532
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
853915
EPA 3010A
EPA 6020B
6020 MET
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406537
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Cobalt ug/L ND 1.0 05/12/24 20:46
Thallium ug/L ND 0.20 05/12/24 20:46
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406538LABORATORY CONTROL SAMPLE:
LCSSpike
Cobalt ug/L 52.750 105 80-120
Thallium ug/L 25.625 102 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406539MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4406540
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Cobalt ug/L 50 104 75-125103 150ND52.4 51.8
Thallium ug/L 25 103 75-125102 125ND25.8 25.5
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 12 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
853382
EPA 8260D
EPA 8260D
8260D MSV Low Level Landfill
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4403720
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
1,1,1,2-Tetrachloroethane ug/L ND 1.0 05/10/24 00:58
1,1,1-Trichloroethane ug/L ND 1.0 05/10/24 00:58
1,1,2,2-Tetrachloroethane ug/L ND 1.0 05/10/24 00:58
1,1,2-Trichloroethane ug/L ND 1.0 05/10/24 00:58
1,1-Dichloroethane ug/L ND 1.0 05/10/24 00:58
1,1-Dichloroethene ug/L ND 1.0 05/10/24 00:58
1,2,3-Trichloropropane ug/L ND 1.0 05/10/24 00:58
1,2-Dichlorobenzene ug/L ND 1.0 05/10/24 00:58
1,2-Dichloroethane ug/L ND 1.0 05/10/24 00:58
1,2-Dichloropropane ug/L ND 1.0 05/10/24 00:58
1,4-Dichlorobenzene ug/L ND 1.0 05/10/24 00:58
2-Butanone (MEK)ug/L ND 5.0 05/10/24 00:58
2-Hexanone ug/L ND 5.0 05/10/24 00:58
4-Methyl-2-pentanone (MIBK)ug/L ND 5.0 05/10/24 00:58
Acetone ug/L ND 25.0 05/10/24 00:58
Acrylonitrile ug/L ND 10.0 v205/10/24 00:58
Benzene ug/L ND 1.0 05/10/24 00:58
Bromochloromethane ug/L ND 1.0 05/10/24 00:58
Bromodichloromethane ug/L ND 1.0 05/10/24 00:58
Bromoform ug/L ND 1.0 05/10/24 00:58
Bromomethane ug/L ND 2.0 05/10/24 00:58
Carbon disulfide ug/L ND 2.0 05/10/24 00:58
Carbon tetrachloride ug/L ND 1.0 05/10/24 00:58
Chlorobenzene ug/L ND 1.0 05/10/24 00:58
Chloroethane ug/L ND 1.0 05/10/24 00:58
Chloroform ug/L ND 1.0 05/10/24 00:58
Chloromethane ug/L ND 1.0 05/10/24 00:58
cis-1,2-Dichloroethene ug/L ND 1.0 05/10/24 00:58
cis-1,3-Dichloropropene ug/L ND 1.0 05/10/24 00:58
Dibromochloromethane ug/L ND 1.0 05/10/24 00:58
Dibromomethane ug/L ND 1.0 05/10/24 00:58
Ethylbenzene ug/L ND 1.0 05/10/24 00:58
Iodomethane ug/L ND 20.0 05/10/24 00:58
m&p-Xylene ug/L ND 2.0 05/10/24 00:58
Methylene Chloride ug/L ND 5.0 05/10/24 00:58
o-Xylene ug/L ND 1.0 05/10/24 00:58
Styrene ug/L ND 1.0 05/10/24 00:58
Tetrachloroethene ug/L ND 1.0 05/10/24 00:58
Tetrahydrofuran ug/L ND 10.0 05/10/24 00:58
Toluene ug/L ND 1.0 05/10/24 00:58
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 13 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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: 4403720
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
trans-1,2-Dichloroethene ug/L ND 1.0 05/10/24 00:58
trans-1,3-Dichloropropene ug/L ND 1.0 05/10/24 00:58
trans-1,4-Dichloro-2-butene ug/L ND 1.0 05/10/24 00:58
Trichloroethene ug/L ND 1.0 05/10/24 00:58
Trichlorofluoromethane ug/L ND 1.0 05/10/24 00:58
Vinyl acetate ug/L ND 2.0 05/10/24 00:58
Vinyl chloride ug/L ND 1.0 05/10/24 00:58
Xylene (Total)ug/L ND 1.0 05/10/24 00:58
1,2-Dichloroethane-d4 (S)%102 70-130 05/10/24 00:58
4-Bromofluorobenzene (S)%99 70-130 05/10/24 00:58
Toluene-d8 (S)%99 70-130 05/10/24 00:58
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4403721LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 19.120 96 70-130
1,1,1-Trichloroethane ug/L 19.520 97 70-130
1,1,2,2-Tetrachloroethane ug/L 18.920 94 70-130
1,1,2-Trichloroethane ug/L 19.320 96 70-130
1,1-Dichloroethane ug/L 18.920 94 70-130
1,1-Dichloroethene ug/L 18.020 90 69-131
1,2,3-Trichloropropane ug/L 22.820 114 70-130
1,2-Dichlorobenzene ug/L 19.020 95 70-130
1,2-Dichloroethane ug/L 20.220 101 70-130
1,2-Dichloropropane ug/L 18.920 95 70-130
1,4-Dichlorobenzene ug/L 19.320 97 70-130
2-Butanone (MEK)ug/L 34.740 87 67-133
2-Hexanone ug/L 36.240 91 70-133
4-Methyl-2-pentanone (MIBK)ug/L 37.040 92 70-130
Acetone ug/L 35.740 89 67-130
Acrylonitrile ug/L 79.3 v310079 70-130
Benzene ug/L 19.720 99 70-130
Bromochloromethane ug/L 19.320 97 70-130
Bromodichloromethane ug/L 19.520 97 70-130
Bromoform ug/L 18.520 92 70-133
Bromomethane ug/L 24.020 120 41-148
Carbon disulfide ug/L 17.220 86 70-131
Carbon tetrachloride ug/L 19.220 96 70-130
Chlorobenzene ug/L 19.920 99 70-130
Chloroethane ug/L 21.720 108 41-157
Chloroform ug/L 18.820 94 70-130
Chloromethane ug/L 18.220 91 59-141
cis-1,2-Dichloroethene ug/L 18.220 91 70-130
cis-1,3-Dichloropropene ug/L 18.620 93 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: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 14 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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.
4403721LABORATORY CONTROL SAMPLE:
LCSSpike
Dibromochloromethane ug/L 18.520 92 70-130
Dibromomethane ug/L 20.220 101 70-130
Ethylbenzene ug/L 19.420 97 70-130
Iodomethane ug/L 32.340 81 57-140
m&p-Xylene ug/L 39.240 98 70-130
Methylene Chloride ug/L 17.820 89 62-130
o-Xylene ug/L 19.520 97 70-130
Styrene ug/L 19.520 97 70-130
Tetrachloroethene ug/L 18.620 93 70-130
Tetrahydrofuran ug/L 177200 89 70-131
Toluene ug/L 19.820 99 70-130
trans-1,2-Dichloroethene ug/L 18.320 91 70-130
trans-1,3-Dichloropropene ug/L 18.920 95 70-130
trans-1,4-Dichloro-2-butene ug/L 19.220 96 57-149
Trichloroethene ug/L 20.720 103 70-130
Trichlorofluoromethane ug/L 19.220 96 57-130
Vinyl acetate ug/L 38.540 96 70-141
Vinyl chloride ug/L 18.120 90 66-140
Xylene (Total)ug/L 58.760 98 70-130
1,2-Dichloroethane-d4 (S)%102 70-130
4-Bromofluorobenzene (S)%102 70-130
Toluene-d8 (S)%98 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403722MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4403723
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 93 70-146100 720ND18.6 20.0
1,1,1-Trichloroethane ug/L 20 113 70-150117 420ND22.6 23.4
1,1,2,2-Tetrachloroethane ug/L 20 90 66-14493 420ND17.9 18.6
1,1,2-Trichloroethane ug/L 20 102 70-142107 520ND20.3 21.4
1,1-Dichloroethane ug/L 20 96 68-150101 520ND19.2 20.3
1,1-Dichloroethene ug/L 20 100 64-162105 520ND20.1 21.1
1,2,3-Trichloropropane ug/L 20 91 66-14494 320ND18.2 18.8
1,2-Dichlorobenzene ug/L 20 93 70-142100 720ND18.6 20.0
1,2-Dichloroethane ug/L 20 101 68-145107 620ND20.3 21.5
1,2-Dichloropropane ug/L 20 93 70-144101 820ND18.6 20.1
1,4-Dichlorobenzene ug/L 20 94 70-14098 420ND18.8 19.6
2-Butanone (MEK)ug/L v3408557-15689 540ND33.8 35.4
2-Hexanone ug/L v3408062-15384 440ND32.1 33.5
4-Methyl-2-pentanone (MIBK) ug/L 40 89 65-14494 540ND35.7 37.6
Acetone ug/L 40 91 49-16292 140ND36.2 36.7
Acrylonitrile ug/L 100 86 59-15592 6100ND86.4 91.7
Benzene ug/L 20 100 68-144110 920ND20.1 22.0
Bromochloromethane ug/L 20 102 70-148108 620ND20.3 21.7
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 15 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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.
4403722MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4403723
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Bromodichloromethane ug/L 20 105 70-141114 820ND21.1 22.7
Bromoform ug/L 20 85 59-14489 520ND16.9 17.8
Bromomethane ug/L v12014223-190151 620ND28.4 30.2
Carbon disulfide ug/L 20 96 64-160101 520ND19.2 20.2
Carbon tetrachloride ug/L 20 114 70-147124 820ND22.7 24.7
Chlorobenzene ug/L 20 99 70-143104 520ND19.7 20.8
Chloroethane ug/L 20 105 55-190113 720ND21.0 22.6
Chloroform ug/L 20 108 67-148113 420ND21.7 22.7
Chloromethane ug/L v3208538-18084 120ND17.0 16.9
cis-1,2-Dichloroethene ug/L 20 98 67-151104 620ND19.6 20.7
cis-1,3-Dichloropropene ug/L 20 89 70-14298 1020ND17.7 19.6
Dibromochloromethane ug/L 20 93 68-14099 620ND18.6 19.8
Dibromomethane ug/L 20 107 70-142113 520ND21.4 22.6
Ethylbenzene ug/L 20 101 70-145107 620ND20.1 21.4
Iodomethane ug/L 40 77 37-16086 1140ND30.6 34.3
m&p-Xylene ug/L 40 99 70-148105 640ND39.5 42.1
Methylene Chloride ug/L 20 90 54-14996 720ND18.0 19.2
o-Xylene ug/L 20 98 70-145104 520ND19.6 20.7
Styrene ug/L v3209370-147100 820ND18.6 20.0
Tetrachloroethene ug/L 20 105 70-145108 320ND20.9 21.6
Tetrahydrofuran ug/L 200 89 48-16089 1200ND178 179
Toluene ug/L 20 107 65-146116 820ND21.3 23.2
trans-1,2-Dichloroethene ug/L 20 97 69-155102 520ND19.4 20.4
trans-1,3-Dichloropropene ug/L 20 92 70-142101 920ND18.4 20.1
trans-1,4-Dichloro-2-butene ug/L 20 87 39-14987 020ND17.5 17.5
Trichloroethene ug/L 20 111 70-152118 720ND22.2 23.7
Trichlorofluoromethane ug/L 20 127 60-158130 220ND25.4 26.0
Vinyl acetate ug/L 40 94 56-15798 440ND37.7 39.1
Vinyl chloride ug/L v3208151-17886 620ND16.2 17.1
Xylene (Total)ug/L 60 99 70-146105 660ND59.2 62.8
1,2-Dichloroethane-d4 (S)%95 70-13093
4-Bromofluorobenzene (S)%101 70-130102
Toluene-d8 (S)%98 70-130100
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4405096MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729503007
4405097
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,1,1,2-Tetrachloroethane ug/L 20 103 70-146105 220ND20.5 20.9
1,1,1-Trichloroethane ug/L 20 123 70-150123 120ND24.5 24.6
1,1,2,2-Tetrachloroethane ug/L 20 98 66-14499 220ND19.5 19.8
1,1,2-Trichloroethane ug/L 20 111 70-142113 220ND22.2 22.6
1,1-Dichloroethane ug/L 20 105 68-150106 020ND21.1 21.2
1,1-Dichloroethene ug/L 20 111 64-162110 120ND22.1 21.9
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 16 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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.
4405096MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729503007
4405097
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,2,3-Trichloropropane ug/L 20 99 66-14498 120ND19.9 19.7
1,2-Dichlorobenzene ug/L 20 107 70-142104 320ND21.4 20.8
1,2-Dichloroethane ug/L 20 116 68-145113 220ND23.1 22.6
1,2-Dichloropropane ug/L 20 102 70-144103 120ND20.4 20.5
1,4-Dichlorobenzene ug/L 20 106 70-140104 220ND21.2 20.8
2-Butanone (MEK)ug/L v34010557-15699 640ND41.8 39.5
2-Hexanone ug/L v3409262-15392 140ND37.0 36.7
4-Methyl-2-pentanone (MIBK) ug/L 40 101 65-144101 040ND40.4 40.5
Acetone ug/L 40 108 49-162102 640ND43.1 40.6
Acrylonitrile ug/L 100 99 59-15596 4100ND99.3 95.7
Benzene ug/L 20 113 68-144114 120ND22.5 22.8
Bromochloromethane ug/L 20 111 70-148113 320ND22.1 22.7
Bromodichloromethane ug/L 20 117 70-141117 020ND23.4 23.4
Bromoform ug/L 20 92 59-14492 020ND18.4 18.4
Bromomethane ug/L v12015023-190145 320ND30.1 29.1
Carbon disulfide ug/L 20 107 64-160104 220ND21.3 20.9
Carbon tetrachloride ug/L 20 124 70-147128 320ND24.9 25.7
Chlorobenzene ug/L 20 107 70-143109 220ND21.4 21.7
Chloroethane ug/L 20 109 55-190104 420ND21.8 20.9
Chloroform ug/L 20 119 67-148119 020ND23.8 23.8
Chloromethane ug/L v3209338-18088 520ND18.6 17.7
cis-1,2-Dichloroethene ug/L 20 108 67-151107 020ND21.5 21.4
cis-1,3-Dichloropropene ug/L 20 99 70-142100 120ND19.8 19.9
Dibromochloromethane ug/L 20 103 68-140103 020ND20.6 20.5
Dibromomethane ug/L 20 122 70-142120 120ND24.3 24.0
Ethylbenzene ug/L 20 109 70-145110 120ND21.7 22.0
Iodomethane ug/L 40 90 37-16091 140ND36.1 36.3
m&p-Xylene ug/L 40 107 70-148107 040ND42.8 42.8
Methylene Chloride ug/L 20 98 54-14998 020ND19.6 19.7
o-Xylene ug/L 20 105 70-145104 120ND21.0 20.9
Styrene ug/L M1,v320070-14710320NDND 20.7
Tetrachloroethene ug/L 20 111 70-145109 120ND22.1 21.8
Tetrahydrofuran ug/L 200 102 48-16097 4200ND203 195
Toluene ug/L 20 116 65-146119 220ND23.3 23.8
trans-1,2-Dichloroethene ug/L 20 105 69-155107 220ND21.0 21.4
trans-1,3-Dichloropropene ug/L 20 104 70-142105 120ND20.7 21.0
trans-1,4-Dichloro-2-butene ug/L 20 97 39-14994 420ND19.4 18.7
Trichloroethene ug/L 20 119 70-152122 220ND23.8 24.4
Trichlorofluoromethane ug/L 20 144 60-158143 020ND28.7 28.7
Vinyl acetate ug/L 40 104 56-157102 340ND41.8 40.8
Vinyl chloride ug/L v3208851-17888 020ND17.6 17.6
Xylene (Total)ug/L 60 106 70-146106 060ND63.8 63.7
1,2-Dichloroethane-d4 (S)%99 70-13093
4-Bromofluorobenzene (S)%99 70-130100
Toluene-d8 (S)%99 70-130100
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 17 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
853258
EPA 8260D Mod.
EPA 8260D Mod.
8260D MSV SIM
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4403125
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
1,4-Dioxane (p-Dioxane)ug/L ND 2.0 05/09/24 08:40
1,2-Dichloroethane-d4 (S)%91 67-130 05/09/24 08:40
Toluene-d8 (S)%94 70-130 05/09/24 08:40
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4403126LABORATORY CONTROL SAMPLE:
LCSSpike
1,4-Dioxane (p-Dioxane)ug/L 19.120 95 70-130
1,2-Dichloroethane-d4 (S)%89 67-130
Toluene-d8 (S)%93 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403127MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4403128
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 96 55-13796 020ND19.2 19.2
1,2-Dichloroethane-d4 (S)%92 67-13091
Toluene-d8 (S)%95 70-13094
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4403129MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4403130
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 94 55-13794 020ND18.7 18.8
1,2-Dichloroethane-d4 (S)%94 67-13091
Toluene-d8 (S)%95 70-13094
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 18 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
854658
SM 2320B-2011
SM 2320B-2011
2320B Alkalinity
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4409741
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Alkalinity, Total as CaCO3 mg/L ND 5.0 05/15/24 15:27
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409742LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 50.650 101 80-120
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4409743LABORATORY CONTROL SAMPLE:
LCSSpike
Alkalinity, Total as CaCO3 mg/L 51.250 102 80-120
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409744MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4409745
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 99 80-120100 15030.3 79.6 80.1
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4409746MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4409747
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Alkalinity, Total as CaCO3 mg/L 50 99 80-12098 15038.6 88.0 87.5
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 19 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
854175
SM 2540C-2015
SM 2540C-2015
2540C Total Dissolved Solids
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4407360
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Total Dissolved Solids mg/L ND 25.0 05/13/24 17:18
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4407361LABORATORY CONTROL SAMPLE:
LCSSpike
Total Dissolved Solids mg/L 246250 98 90-110
Parameter Units
Dup
Result QualifiersRPDResult
92729715001
4407433SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 75.0 571.0
Parameter Units
Dup
Result QualifiersRPDResult
92729723002
4407434SAMPLE DUPLICATE:
Total Dissolved Solids mg/L 79.0 482.0
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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[phone]
Page 20 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
853518
EPA 300.0 Rev 2.1 1993
EPA 300.0 Rev 2.1 1993
300.0 IC Anions
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4404583
Associated Lab Samples:92729723002
Matrix: Water
Analyzed
Chloride mg/L ND 1.0 05/10/24 01:50
Sulfate mg/L ND 1.0 05/10/24 01:50
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4404584LABORATORY CONTROL SAMPLE:
LCSSpike
Chloride mg/L 51.350 103 90-110
Sulfate mg/L 53.850 108 90-110
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4404585MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4404586
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 105 90-110108 2502.5 55.0 56.3
Sulfate mg/L M15010890-110111 3501.2 55.1 56.8
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4404587MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729749005
4404588
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chloride mg/L 50 106 90-110106 0502.3 55.2 55.3
Sulfate mg/L 50 109 90-110109 0507.9 62.2 62.5
REPORT OF LABORATORY ANALYSIS
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Page 21 of 28
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
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:
856359
SM 3500-Cr B-2011
SM 3500-Cr B-2011
Chromium, Hexavalent by SM3500-Cr B-2011
Laboratory:Pace Analytical Services - Asheville
Associated Lab Samples: 92729723001, 92729723002
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4418069
Associated Lab Samples:92729723001, 92729723002
Matrix: Water
Analyzed
Chromium, Hexavalent mg/L ND 0.010 05/22/24 13:24
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4418070LABORATORY CONTROL SAMPLE:
LCSSpike
Chromium, Hexavalent mg/L 0.270.25 106 90-110
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4418071MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729715001
4418072
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chromium, Hexavalent mg/L M1,R10.25 0 90-110-1 150.250.033 0.013 0.011
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4418073MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92729723002
4418074
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
Chromium, Hexavalent mg/L M1,R10.25 -4 90-1102 620.250.026 0.016 0.030
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 22 of 28
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean-Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPAMethod 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
Matrix spike recovery exceeded QC limits. Batch accepted based on laboratory control sample (LCS) recovery.M1
RPD value was outside control limits.R1
The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the
associated samples may have a high bias.v1
The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the
associated samples and the sensitivity of the instrument was verified with a reporting limit check standard.v2
The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the
associated samples may have low bias.v3
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 23 of 28
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92729723
OCSWM SPRING-SOUTH MW110D/MW11
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92729723001 855669 8556896801-MW110D EPA 3010A EPA 6010D
92729723002 855671 8556906801-MW110S EPA 3010A EPA 6010D
92729723002 853915 8539566801-MW110S EPA 3010A EPA 6020B
92729723002 854365 8544646801-MW110S EPA 7470A EPA 7470A
92729723002 8533826801-MW110S EPA 8260D
92729723002 8532586801-MW110S EPA 8260D Mod.
92729723002 8546586801-MW110S SM 2320B-2011
92729723002 8541756801-MW110S SM 2540C-2015
92729723002 8535186801-MW110S EPA 300.0 Rev 2.1 1993
92729723001 8563596801-MW110D SM 3500-Cr B-2011
92729723002 8563596801-MW110S SM 3500-Cr B-2011
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/12/2024 07:44 PM
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Page 24 of 28
Page 25 of 28
Page 26 of 28
Page 27 of 28
Page 28 of 28

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 7: Trip Blanks
#=CL#
June 26, 2024
LIMS USE: FR - DEBORAH COAKLEY
LIMS OBJECT ID: 92738486
92738486
Project:
Pace Project No.:
RE:
Deborah Ann Coakley
TRC Companies
1030 Wilmer Ave.
Suite 100
Richmond, VA 23227
OCSWM Spring- C&D- Trip Blanks
Dear Deborah Coakley:
Enclosed are the analytical results for sample(s) received by the laboratory between May 08, 2024 and June 26, 2024.
The results relate only to the samples included in this report. Results reported herein conform to the applicable
TNI/NELAC Standards and the laboratory's Quality Manual, where applicable, unless otherwise noted in the body of the
report.
The test results provided in this final report were generated by each of the following laboratories within the Pace Network:
• Pace Analytical Services - Charlotte
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Matthew Brainard
[e-mail]
Project Manager
704-977-0942
Enclosures
cc: Sean Jarvah, TRC Companies
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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Page 1 of 16
#=CP#
CERTIFICATIONS
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
Pace Analytical Services Charlotte
South Carolina Laboratory ID: 99006
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
South Carolina Laboratory ID: 99006
South Carolina Certification #: 99006001
South Carolina Drinking Water Cert. #: 99006003
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
Louisiana DoH Drinking Water #: LA029
Virginia/VELAP Certification #: 460221
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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Page 2 of 16
#=SA#
SAMPLE ANALYTE COUNT
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
Lab ID Sample ID Method
Analytes
Reported LaboratoryAnalysts
92730088003 TRIP BLANK EPA 8260D 50 PASI-CSAS
EPA 8260D Mod.3 PASI-CJJK
PASI-C = Pace Analytical Services - Charlotte
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.
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Page 3 of 16
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
Sample: TRIP BLANK Lab ID: 92730088003 Collected: 05/08/24 00:00 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
Acetone ND ug/L 05/13/24 13:42 67-64-125.0 1
Acrylonitrile ND ug/L 05/13/24 13:42 107-13-110.0 1
Benzene ND ug/L 05/13/24 13:42 71-43-21.0 1
Bromochloromethane ND ug/L 05/13/24 13:42 74-97-51.0 1
Bromodichloromethane ND ug/L 05/13/24 13:42 75-27-41.0 1
Bromoform ND ug/L 05/13/24 13:42 75-25-21.0 1
Bromomethane ND ug/L 05/13/24 13:42 74-83-92.0 1
2-Butanone (MEK)ND ug/L 05/13/24 13:42 78-93-35.0 1
Carbon disulfide ND ug/L 05/13/24 13:42 75-15-02.0 1
Carbon tetrachloride ND ug/L 05/13/24 13:42 56-23-51.0 1
Chlorobenzene ND ug/L 05/13/24 13:42 108-90-71.0 1
Chloroethane ND ug/L 05/13/24 13:42 75-00-31.0 1
Chloroform ND ug/L 05/13/24 13:42 67-66-31.0 1
Chloromethane ND ug/L 05/13/24 13:42 74-87-31.0 1
Dibromochloromethane ND ug/L 05/13/24 13:42 124-48-11.0 1
Dibromomethane ND ug/L 05/13/24 13:42 74-95-31.0 1
1,2-Dichlorobenzene ND ug/L 05/13/24 13:42 95-50-11.0 1
1,4-Dichlorobenzene ND ug/L 05/13/24 13:42 106-46-71.0 1
trans-1,4-Dichloro-2-butene ND ug/L 05/13/24 13:42 110-57-61.0 1
1,1-Dichloroethane ND ug/L 05/13/24 13:42 75-34-31.0 1
1,2-Dichloroethane ND ug/L 05/13/24 13:42 107-06-21.0 1
1,1-Dichloroethene ND ug/L 05/13/24 13:42 75-35-41.0 1
cis-1,2-Dichloroethene ND ug/L 05/13/24 13:42 156-59-21.0 1
trans-1,2-Dichloroethene ND ug/L 05/13/24 13:42 156-60-51.0 1
1,2-Dichloropropane ND ug/L 05/13/24 13:42 78-87-51.0 1
cis-1,3-Dichloropropene ND ug/L 05/13/24 13:42 10061-01-51.0 1
trans-1,3-Dichloropropene ND ug/L 05/13/24 13:42 10061-02-61.0 1
Ethylbenzene ND ug/L 05/13/24 13:42 100-41-41.0 1
2-Hexanone ND ug/L 05/13/24 13:42 591-78-65.0 1
Iodomethane ND ug/L 05/13/24 13:42 74-88-4 v120.0 1
Methylene Chloride ND ug/L 05/13/24 13:42 75-09-25.0 1
4-Methyl-2-pentanone (MIBK)ND ug/L 05/13/24 13:42 108-10-1 v25.0 1
Styrene ND ug/L 05/13/24 13:42 100-42-51.0 1
1,1,1,2-Tetrachloroethane ND ug/L 05/13/24 13:42 630-20-61.0 1
1,1,2,2-Tetrachloroethane ND ug/L 05/13/24 13:42 79-34-51.0 1
Tetrachloroethene ND ug/L 05/13/24 13:42 127-18-41.0 1
Toluene ND ug/L 05/13/24 13:42 108-88-31.0 1
1,1,1-Trichloroethane ND ug/L 05/13/24 13:42 71-55-61.0 1
1,1,2-Trichloroethane ND ug/L 05/13/24 13:42 79-00-51.0 1
Trichloroethene ND ug/L 05/13/24 13:42 79-01-61.0 1
Trichlorofluoromethane ND ug/L 05/13/24 13:42 75-69-41.0 1
1,2,3-Trichloropropane ND ug/L 05/13/24 13:42 96-18-41.0 1
Vinyl acetate ND ug/L 05/13/24 13:42 108-05-42.0 1
Vinyl chloride ND ug/L 05/13/24 13:42 75-01-41.0 1
Xylene (Total)ND ug/L 05/13/24 13:42 1330-20-71.0 1
m&p-Xylene ND ug/L 05/13/24 13:42 179601-23-12.0 1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
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Page 4 of 16
#=AR#
ANALYTICAL RESULTS
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
Sample: TRIP BLANK Lab ID: 92730088003 Collected: 05/08/24 00:00 Received: 05/08/24 14:55 Matrix: Water
Parameters Results Units DF Prepared Analyzed CAS No. QualReport Limit
Analytical Method: EPA 8260D
Pace Analytical Services - Charlotte
8260D MSV Low Level Landfill
o-Xylene ND ug/L 05/13/24 13:42 95-47-61.0 1
Surrogates
4-Bromofluorobenzene (S)100 %05/13/24 13:42 460-00-470-130 1
1,2-Dichloroethane-d4 (S)109 %05/13/24 13:42 17060-07-070-130 1
Toluene-d8 (S)105 %05/13/24 13:42 2037-26-570-130 1
Analytical Method: EPA 8260D Mod.
Pace Analytical Services - Charlotte
8260D MSV SIM
1,4-Dioxane (p-Dioxane)ND ug/L 05/12/24 18:13 123-91-12.0 1
Surrogates
1,2-Dichloroethane-d4 (S)104 %05/12/24 18:13 17060-07-067-130 1
Toluene-d8 (S)99 %05/12/24 18:13 2037-26-570-130 1
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
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Page 5 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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:
854041
EPA 8260D
EPA 8260D
8260D MSV Low Level Landfill
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92730088003
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406790
Associated Lab Samples:92730088003
Matrix: Water
Analyzed
1,1,1,2-Tetrachloroethane ug/L ND 1.0 05/13/24 09:33
1,1,1-Trichloroethane ug/L ND 1.0 05/13/24 09:33
1,1,2,2-Tetrachloroethane ug/L ND 1.0 05/13/24 09:33
1,1,2-Trichloroethane ug/L ND 1.0 05/13/24 09:33
1,1-Dichloroethane ug/L ND 1.0 05/13/24 09:33
1,1-Dichloroethene ug/L ND 1.0 05/13/24 09:33
1,2,3-Trichloropropane ug/L ND 1.0 05/13/24 09:33
1,2-Dichlorobenzene ug/L ND 1.0 05/13/24 09:33
1,2-Dichloroethane ug/L ND 1.0 05/13/24 09:33
1,2-Dichloropropane ug/L ND 1.0 05/13/24 09:33
1,4-Dichlorobenzene ug/L ND 1.0 05/13/24 09:33
2-Butanone (MEK)ug/L ND 5.0 05/13/24 09:33
2-Hexanone ug/L ND 5.0 05/13/24 09:33
4-Methyl-2-pentanone (MIBK)ug/L ND 5.0 v205/13/24 09:33
Acetone ug/L ND 25.0 05/13/24 09:33
Acrylonitrile ug/L ND 10.0 05/13/24 09:33
Benzene ug/L ND 1.0 05/13/24 09:33
Bromochloromethane ug/L ND 1.0 05/13/24 09:33
Bromodichloromethane ug/L ND 1.0 05/13/24 09:33
Bromoform ug/L ND 1.0 05/13/24 09:33
Bromomethane ug/L ND 2.0 05/13/24 09:33
Carbon disulfide ug/L ND 2.0 05/13/24 09:33
Carbon tetrachloride ug/L ND 1.0 05/13/24 09:33
Chlorobenzene ug/L ND 1.0 05/13/24 09:33
Chloroethane ug/L ND 1.0 05/13/24 09:33
Chloroform ug/L ND 1.0 05/13/24 09:33
Chloromethane ug/L ND 1.0 05/13/24 09:33
cis-1,2-Dichloroethene ug/L ND 1.0 05/13/24 09:33
cis-1,3-Dichloropropene ug/L ND 1.0 05/13/24 09:33
Dibromochloromethane ug/L ND 1.0 05/13/24 09:33
Dibromomethane ug/L ND 1.0 05/13/24 09:33
Ethylbenzene ug/L ND 1.0 05/13/24 09:33
Iodomethane ug/L ND 20.0 v105/13/24 09:33
m&p-Xylene ug/L ND 2.0 05/13/24 09:33
Methylene Chloride ug/L ND 5.0 05/13/24 09:33
o-Xylene ug/L ND 1.0 05/13/24 09:33
Styrene ug/L ND 1.0 05/13/24 09:33
Tetrachloroethene ug/L ND 1.0 05/13/24 09:33
Toluene ug/L ND 1.0 05/13/24 09:33
trans-1,2-Dichloroethene ug/L ND 1.0 05/13/24 09:33
REPORT OF LABORATORY ANALYSIS
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without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
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Page 6 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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: 4406790
Associated Lab Samples:92730088003
Matrix: Water
Analyzed
trans-1,3-Dichloropropene ug/L ND 1.0 05/13/24 09:33
trans-1,4-Dichloro-2-butene ug/L ND 1.0 05/13/24 09:33
Trichloroethene ug/L ND 1.0 05/13/24 09:33
Trichlorofluoromethane ug/L ND 1.0 05/13/24 09:33
Vinyl acetate ug/L ND 2.0 05/13/24 09:33
Vinyl chloride ug/L ND 1.0 05/13/24 09:33
Xylene (Total)ug/L ND 1.0 05/13/24 09:33
1,2-Dichloroethane-d4 (S)%100 70-130 05/13/24 09:33
4-Bromofluorobenzene (S)%102 70-130 05/13/24 09:33
Toluene-d8 (S)%100 70-130 05/13/24 09:33
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406791LABORATORY CONTROL SAMPLE:
LCSSpike
1,1,1,2-Tetrachloroethane ug/L 20.820 104 70-130
1,1,1-Trichloroethane ug/L 19.120 96 70-130
1,1,2,2-Tetrachloroethane ug/L 18.920 94 70-130
1,1,2-Trichloroethane ug/L 19.920 100 70-130
1,1-Dichloroethane ug/L 17.720 89 70-130
1,1-Dichloroethene ug/L 19.220 96 69-131
1,2,3-Trichloropropane ug/L 17.420 87 70-130
1,2-Dichlorobenzene ug/L 20.520 103 70-130
1,2-Dichloroethane ug/L 18.920 95 70-130
1,2-Dichloropropane ug/L 18.620 93 70-130
1,4-Dichlorobenzene ug/L 19.720 98 70-130
2-Butanone (MEK)ug/L 32.540 81 67-133
2-Hexanone ug/L 33.340 83 70-133
4-Methyl-2-pentanone (MIBK)ug/L 28.9 v34072 70-130
Acetone ug/L 32.140 80 67-130
Acrylonitrile ug/L 86.5100 87 70-130
Benzene ug/L 20.020 100 70-130
Bromochloromethane ug/L 20.720 104 70-130
Bromodichloromethane ug/L 20.820 104 70-130
Bromoform ug/L 20.120 101 70-133
Bromomethane ug/L 15.520 78 41-148
Carbon disulfide ug/L 17.620 88 70-131
Carbon tetrachloride ug/L 20.520 102 70-130
Chlorobenzene ug/L 21.020 105 70-130
Chloroethane ug/L 18.220 91 41-157
Chloroform ug/L 17.620 88 70-130
Chloromethane ug/L 18.220 91 59-141
cis-1,2-Dichloroethene ug/L 19.020 95 70-130
cis-1,3-Dichloropropene ug/L 21.320 106 70-130
Dibromochloromethane ug/L 21.220 106 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: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 7 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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.
4406791LABORATORY CONTROL SAMPLE:
LCSSpike
Dibromomethane ug/L 20.620 103 70-130
Ethylbenzene ug/L 21.120 105 70-130
Iodomethane ug/L 47.3 v140118 57-140
m&p-Xylene ug/L 42.440 106 70-130
Methylene Chloride ug/L 15.120 75 62-130
o-Xylene ug/L 21.420 107 70-130
Styrene ug/L 20.820 104 70-130
Tetrachloroethene ug/L 20.320 102 70-130
Toluene ug/L 19.620 98 70-130
trans-1,2-Dichloroethene ug/L 19.720 99 70-130
trans-1,3-Dichloropropene ug/L 19.320 97 70-130
trans-1,4-Dichloro-2-butene ug/L 17.120 85 57-149
Trichloroethene ug/L 21.520 107 70-130
Trichlorofluoromethane ug/L 18.320 92 57-130
Vinyl acetate ug/L 33.640 84 70-141
Vinyl chloride ug/L 18.620 93 66-140
Xylene (Total)ug/L 63.860 106 70-130
1,2-Dichloroethane-d4 (S)%95 70-130
4-Bromofluorobenzene (S)%99 70-130
Toluene-d8 (S)%98 70-130
Parameter Units
MS
Result
% Rec
Limits Qualifiers% RecConc.
4406792MATRIX SPIKE SAMPLE:
MSSpike
Result
92730111002
1,1,1,2-Tetrachloroethane ug/L 26.920 135 70-146ND
1,1,1-Trichloroethane ug/L 26.020 130 70-150ND
1,1,2,2-Tetrachloroethane ug/L 24.920 124 66-144ND
1,1,2-Trichloroethane ug/L 24.320 122 70-142ND
1,1-Dichloroethane ug/L 27.520 122 68-1503.2
1,1-Dichloroethene ug/L 24.320 121 64-162ND
1,2,3-Trichloropropane ug/L 24.920 124 66-144ND
1,2-Dichlorobenzene ug/L 25.120 126 70-142ND
1,2-Dichloroethane ug/L 25.020 125 68-145ND
1,2-Dichloropropane ug/L 24.320 122 70-144ND
1,4-Dichlorobenzene ug/L 27.320 136 70-140ND
2-Butanone (MEK)ug/L 47.140 118 57-156ND
2-Hexanone ug/L 51.240 128 62-153ND
4-Methyl-2-pentanone (MIBK)ug/L 44.240 111 65-144ND
Acetone ug/L 42.540 106 49-162ND
Acrylonitrile ug/L 112100 112 59-155ND
Benzene ug/L 25.520 128 68-144ND
Bromochloromethane ug/L 24.620 123 70-148ND
Bromodichloromethane ug/L 24.720 124 70-141ND
Bromoform ug/L 26.220 131 59-144ND
Bromomethane ug/L 20.6 v320103 23-190ND
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 8 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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 Qualifiers% RecConc.
4406792MATRIX SPIKE SAMPLE:
MSSpike
Result
92730111002
Carbon disulfide ug/L 23.720 119 64-160ND
Carbon tetrachloride ug/L 26.520 132 70-147ND
Chlorobenzene ug/L 28.220 141 70-143ND
Chloroethane ug/L 20.520 103 55-190ND
Chloroform ug/L 23.320 116 67-148ND
Chloromethane ug/L 22.220 111 38-180ND
cis-1,2-Dichloroethene ug/L 25.920 119 67-1512.1
cis-1,3-Dichloropropene ug/L 24.020 120 70-142ND
Dibromochloromethane ug/L 25.720 129 68-140ND
Dibromomethane ug/L 24.520 122 70-142ND
Ethylbenzene ug/L 26.120 130 70-145ND
Iodomethane ug/L 41.940 105 37-160ND
m&p-Xylene ug/L 53.040 133 70-148ND
Methylene Chloride ug/L 18.220 91 54-149ND
o-Xylene ug/L 26.820 134 70-145ND
Styrene ug/L 26.020 130 70-147ND
Tetrachloroethene ug/L 27.020 135 70-145ND
Toluene ug/L 24.320 122 65-146ND
trans-1,2-Dichloroethene ug/L 23.020 115 69-155ND
trans-1,3-Dichloropropene ug/L 25.320 127 70-142ND
trans-1,4-Dichloro-2-butene ug/L 22.320 112 39-149ND
Trichloroethene ug/L 26.620 133 70-152ND
Trichlorofluoromethane ug/L 24.220 121 60-158ND
Vinyl acetate ug/L 43.440 108 56-157ND
Vinyl chloride ug/L 23.820 116 51-178ND
Xylene (Total)ug/L 79.960 133 70-146ND
1,2-Dichloroethane-d4 (S)%100 70-130
4-Bromofluorobenzene (S)%105 70-130
Toluene-d8 (S)%99 70-130
Parameter Units
Dup
Result QualifiersRPDResult
92729577017
4406793SAMPLE DUPLICATE:
1,1,1,2-Tetrachloroethane ug/L NDND
1,1,1-Trichloroethane ug/L NDND
1,1,2,2-Tetrachloroethane ug/L NDND
1,1,2-Trichloroethane ug/L NDND
1,1-Dichloroethane ug/L NDND
1,1-Dichloroethene ug/L NDND
1,2,3-Trichloropropane ug/L NDND
1,2-Dichlorobenzene ug/L NDND
1,2-Dichloroethane ug/L NDND
1,2-Dichloropropane ug/L NDND
1,4-Dichlorobenzene ug/L NDND
2-Butanone (MEK)ug/L NDND
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 9 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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
Dup
Result QualifiersRPDResult
92729577017
4406793SAMPLE DUPLICATE:
2-Hexanone ug/L NDND
4-Methyl-2-pentanone (MIBK)ug/L NDND
Acetone ug/L NDND
Acrylonitrile ug/L NDND
Benzene ug/L NDND
Bromochloromethane ug/L NDND
Bromodichloromethane ug/L NDND
Bromoform ug/L NDND
Bromomethane ug/L ND v2ND
Carbon disulfide ug/L NDND
Carbon tetrachloride ug/L NDND
Chlorobenzene ug/L NDND
Chloroethane ug/L NDND
Chloroform ug/L NDND
Chloromethane ug/L NDND
cis-1,2-Dichloroethene ug/L NDND
cis-1,3-Dichloropropene ug/L NDND
Dibromochloromethane ug/L NDND
Dibromomethane ug/L NDND
Ethylbenzene ug/L NDND
Iodomethane ug/L NDND
m&p-Xylene ug/L NDND
Methylene Chloride ug/L NDND
o-Xylene ug/L NDND
Styrene ug/L NDND
Tetrachloroethene ug/L NDND
Toluene ug/L NDND
trans-1,2-Dichloroethene ug/L NDND
trans-1,3-Dichloropropene ug/L NDND
trans-1,4-Dichloro-2-butene ug/L NDND
Trichloroethene ug/L NDND
Trichlorofluoromethane ug/L NDND
Vinyl acetate ug/L NDND
Vinyl chloride ug/L NDND
Xylene (Total)ug/L NDND
1,2-Dichloroethane-d4 (S)%93103
4-Bromofluorobenzene (S)%9898
Toluene-d8 (S)%104107
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 10 of 16
#=QC#
QUALITY CONTROL DATA
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
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:
853993
EPA 8260D Mod.
EPA 8260D Mod.
8260D MSV SIM
Laboratory:Pace Analytical Services - Charlotte
Associated Lab Samples: 92730088003
Parameter Units
Blank
Result
Reporting
Limit Qualifiers
METHOD BLANK: 4406722
Associated Lab Samples:92730088003
Matrix: Water
Analyzed
1,4-Dioxane (p-Dioxane)ug/L ND 2.0 05/12/24 17:35
1,2-Dichloroethane-d4 (S)%95 67-130 05/12/24 17:35
Toluene-d8 (S)%97 70-130 05/12/24 17:35
Parameter Units
LCS
Result
% Rec
Limits Qualifiers% RecConc.
4406723LABORATORY CONTROL SAMPLE:
LCSSpike
1,4-Dioxane (p-Dioxane)ug/L 16.320 82 70-130
1,2-Dichloroethane-d4 (S)%97 67-130
Toluene-d8 (S)%93 70-130
Parameter Units
MS
Result
% Rec
Limits Qual% RecConc.
4406724MATRIX SPIKE & MATRIX SPIKE DUPLICATE:
MSSpike
Result
92730105002
4406725
MSD
Result
MSD
% Rec RPD
MSDMS
Spike
Conc.
1,4-Dioxane (p-Dioxane)ug/L 20 79 55-13783 520ND15.8 16.6
1,2-Dichloroethane-d4 (S)%102 67-130100
Toluene-d8 (S)%99 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: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 11 of 16
#=QL#
QUALIFIERS
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
DEFINITIONS
DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.
ND - Not Detected at or above adjusted reporting limit.
TNTC - Too Numerous To Count
J - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL - Adjusted Method Detection Limit.
PQL - Practical Quantitation Limit.
RL - Reporting Limit - The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S - Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte is
a combined concentration.
Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.
LCS(D) - Laboratory Control Sample (Duplicate)
MS(D) - Matrix Spike (Duplicate)
DUP - Sample Duplicate
RPD - Relative Percent Difference
NC - Not Calculable.
SG - Silica Gel - Clean-Up
U - Indicates the compound was analyzed for, but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPAMethod 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Reported results are not rounded until the final step prior to reporting. Therefore, calculated parameters that are typically reported as
"Total" may vary slightly from the sum of the reported component parameters.
Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.
TNI - The NELAC Institute.
ANALYTE QUALIFIERS
The continuing calibration verification was above the method acceptance limit. Any detection for the analyte in the
associated samples may have a high bias.v1
The continuing calibration verification was below the method acceptance limit. The analyte was not detected in the
associated samples and the sensitivity of the instrument was verified with a reporting limit check standard.v2
The continuing calibration verification was below the method acceptance limit. Any detection for the analyte in the
associated samples may have low bias.v3
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 12 of 16
#=CR#
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Project No.:
Project:
92738486
OCSWM Spring- C&D- Trip Blanks
Lab ID Sample ID QC Batch Method QC Batch Analytical Method
Analytical
Batch
92730088003 854041TRIP BLANK EPA 8260D
92730088003 853993TRIP BLANK EPA 8260D Mod.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.Date: 06/26/2024 11:32 AM
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Page 13 of 16
Trip blank and PFAS samples logged on separate workorders.
Page 14 of 16
Page 15 of 16
Page 16 of 16

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 8: Field Data

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 8 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 8 FIELD DATA: ACTIVE C&D FACILITY Groundwater samples were obtained in accordance with the groundwater monitoring requirements
of the 15A North Carolina Administrative Code (NCAC) 13B and the Permit. Detailed sampling procedures are documented on a series of groundwater sampling forms (presented at the end of this ATTACHMENT). 1.1 Chronology On May 7, through May 9, 2024 (sampling event 38), TRC personnel obtained groundwater samples from groundwater monitoring wells associated with the Orange County Solid Waste Management Active C&D Facility. During the subject sampling event, samples were obtained for the following chemical analyses.
• Samples were obtained from upgradient monitoring well 6804-MW211R for analysis of [1] the constituents listed in Appendix I (plus 1,4-dioxane), [2] one of the constituents listed in Appendix II (mercury), and [3] several parameters that are unique to C&D facilities (manganese, iron, tetrahydrofuran, total dissolved solids, chloride, alkalinity, sulfate).
• Samples were obtained from three downgradient compliance wells (6804-MW204S, 6804-MW209, 6804-MW210D) for analysis of [1] the constituents listed in Appendix I (plus 1,4-dioxane), [2] one of the constituents listed in Appendix II (mercury), and [3] several parameters that are unique to C&D facilities (manganese, iron, tetrahydrofuran, total
dissolved solids, chloride, alkalinity, sulfate).
• Samples were obtained from downgradient monitoring well 6801-MW04 for analysis of [1] the constituents listed in 40 CFR Part 258 Appendix I (15A NCAC 13B .1600; plus 1,4-dioxane), [2] those constituents listed in Appendix II that have been previously and reliably detected at North landfill (mercury, naphthalene, sulfide) and [3] for those constituents required by regulations for monitoring of C&D landfills (manganese, iron, chloride, sulfate,
total dissolved solids, alkalinity).
Note: Well 6801-MW04 is associated with the monitoring programs for the closed North
sanitary landfill, the closed South sanitary landfill, and the active C&D landfill.
• Additional samples were obtained from downgradient monitoring well 6804-MW209 for quality control parameters.
• Samples were obtained from downgradient monitoring well 6801-MW110S for analysis of [1] the constituents listed in Appendix I (plus 1,4-dioxane) and [2] the constituents required by regulations for monitoring of C&D landfills (manganese, iron, mercury, chloride, sulphate, tetrahydrofuran, total dissolved solids, alkalinity).
Note: Well 6801-MW110S is associated with the monitoring programs for the closed North sanitary landfill, the South sanitary landfill, and active C&D landfill.
• Six trip blanks were to be analyzed for quality control purposes.

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 8 OCSWM Active C&D Facility, Permit No. 68-04
1.2 Well Inspection
Prior to sampling groundwater, TRC personnel assessed the overall condition of each groundwater monitoring well (including the surface completion). According to documentation provided by TRC
personnel, all wells were observed to be in generally good condition. 1.3 Static Water Levels Using a graduated electronic water level indicator, field personnel measured static water levels in each well prior to purging. All measurements were recorded to the nearest 0.01 foot (relative to the top of the PVC well pipe). A history of static water elevations is presented in ATTACHMENT 3. 1.4 Purging All permitted wells were purged by TRC personnel using dedicated, submersible bladder pumps with a compressor that was driven by a battery and associated control unit. Wells were purged
using a performance-based (“low-flow”) criteria presented in the document Guidelines for
Groundwater, Soil, and Surface Water Sampling (NCDENR - SWS; April 2008). Field purge and sample logs provided by TRC are presented at the end of this ATTACHMENT.
1.5 Groundwater Stability The performance-based purging method essentially involves purging groundwater from a monitoring well at a sufficient rate so as not to significantly disturb the water column. During the purging process, several water quality parameters (pH, specific conductance, water temperature, dissolved oxygen, turbidity, ORP) are periodically measured until successive readings are generally consistent (within 10%). Additional purging criteria are presented in the Guidelines document discussed above. During the subject sampling event, the monitoring wells were purged until several consistent
field parameter readings were recorded. These parameters were measured in order to help ensure that representative groundwater samples were obtained. Groundwater samples were obtained immediately after the physical parameters had stabilized.
Stability is defined in the Groundwater Monitoring Plan as a deviation of less than 10% for three consecutive readings. Readings recorded for each well are presented at the end of this
ATTACHMENT. Note. When water levels are low in a well, or when the screened portion of the aquifer is characterized by low hydraulic conductivity, the well may be purged to dryness. In such cases, field personnel will allow time for groundwater levels to equilibrate and restart the sampling process from the point at which it was interrupted. If the well again purges to dryness, the technician will obtain samples as the well recharges. In such cases, the groundwater samples are deemed “representative” even if the usual stable readings cannot be obtained.

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 8 OCSWM Active C&D Facility, Permit No. 68-04
1.6 Well Sampling
Groundwater samples were obtained using the dedicated pumps immediately after pH, specific conductance, and temperature had stabilized.
Quality control analyses were performed on samples obtained from 6804-MW209, including a Matrix Spike and Matrix Spike Duplicate. 1.7 Well Sampling Order On May 7, through May 9, 2024 (sampling event 38), TRC personnel sampled wells in their general order of their occurrence around the perimeter of the facility. The upgradient well(s) were sampled first. 1.8 Preservation At the laboratory, all sample vessels were prepared with preservative by Pace if required by the method in SW-846.
1.9 Sample Transport
Immediately after the samples were obtained, they were placed beneath ice in insulated containers for transportation to the laboratory. Samples obtained on May 7, through May 9, 2024, were hand-delivered to Pace the same day that they were collected. Upon arrival at the laboratory, all temperatures inside of the insulated containers were measured and found to lie within acceptable limits (< 4°C). All samples were placed in a refrigerator upon arrival and held at approximately 4°C until the time at which they were analyzed. Additional information concerning each monitoring well is presented at the end of this
ATTACHMENT.

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 9: Statistical Analyses

Groundwater Monitoring Program Results of Sampling and Analysis July 2024 Sampling Event 38: 5.7.24 to 5.9.24 Attachment 9 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 9 STATISTICAL ANALYSES
The regulations and the Groundwater Monitoring Plan indicate that (after background sampling and analysis has been completed) each report shall also include:
• the arithmetic mean and variance of background data for each constituent
• the results of statistical analyses Statistical analyses, as conducted to establish facility background concentrations, are documented in a report previously submitted to the NCDENR - Solid Waste Section (issued April, 2006). During 2018, NCDEQ discontinued the use of SWSLs, and facilities were advised to choose EPA approved analytical methods sufficiently sensitive to quantify the presence of a pollutant at or below applicable standards.
Previously determined facility background values were replaced with their respective Method Reporting Limit (MRL) values (unless the statistical prediction limit was larger).
Current facility background values (denoted as “FBAC”) are shown on a series of tables summarizing the history of groundwater chemistry at the facility (ATTACHMENT 5 and ATTACHMENT 6).

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 10: Quality Control Assessment

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 10 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
ATTACHMENT 10 QUALITY CONTROL INFORMATION 1.0 FIELD QUALITY ASSURANCE / QUALITY CONTROL Rigorous sampling protocols were employed during groundwater sampling to help ensure that
each sample is representative of groundwater in the aquifer. Any non-dedicated equipment used to purge and sample monitoring wells was decontaminated before and after sampling each well. In addition, six trip blanks were analyzed to help validate the observed concentrations of specific constituents. The concentration of each constituent observed in groundwater was compared to the
concentration observed in each blank in accordance with the following rules:
• Regarding common organic laboratory contaminants (acetone, 2-butanone, methylene
chloride) and common phthalate contaminants, if the concentration in groundwater is less than ten times (10x) the concentration in the blank, then we conclude that the constituent in the groundwater sample may be attributed to cross-contamination.
• Regarding organic contaminants that are not commonly used in the laboratory and inorganic contaminants in general, if the concentration in groundwater is less than five
times (5x) the concentration in the blank, then we conclude that the constituent in the groundwater sample may be attributed to cross-contamination. 1.1 Deviations from the Plan All sampling techniques met the specifications set forth in the Groundwater Monitoring Plan. 1.2 Trip Blanks Trip blanks were prepared by the laboratory and transported by field personnel to each monitoring well location. Trip blanks remained in the insulated container, and the lids of the containers were never removed from the time the vehicle left the laboratory until the time field personnel delivered the samples to the laboratory. Trip blanks were analyzed for all constituents listed in 40 CFR Part 258 Appendix II (15A NCAC 13B .1600) that are typically analyzed using EPA Method 8260D.
The laboratory did not report any contaminants in the trip blanks submitted. 2.0 LABORATORY QUALITY ASSURANCE / QUALITY CONTROL
A limited QA/QC review was performed on the data provided by Eurofins Laboratories. In general, the Environmental Protection Agency's (EPA) Contract Laboratory Program (CLP) guidelines for data validation in Region III were followed; however, SW-846 control limits (latest promulgated edition) were used for QA/QC requirements.

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 10 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
Specifically, laboratory blanks were analyzed to help validate the observed concentrations of specific constituents. The concentration of each constituent observed in groundwater was compared to the concentration observed in each blank in accordance with the following rules:

• Regarding common organic laboratory contaminants (acetone, 2-butanone, methylene chloride) and common phthalate contaminants, if the concentration in groundwater is less than ten times (10x) the concentration in the blank, then we conclude that the constituent in the groundwater sample may be attributed to cross-contamination.

• Regarding organic contaminants that are not commonly used in the laboratory and inorganic contaminants in general, if the concentration in groundwater is less than five times (5x) the concentration in the blank, then we conclude that the constituent in the groundwater sample may be attributed to cross-contamination. 2.1 EPA Method 8260D (volatile constituents)
As part of the QA/QC review, the following were examined:
• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors After reviewing the quality control data provided by Pace Laboratories, the reviewer determined
that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method. 2.2 EPA Method 6010D (ICP - metals) As part of the QA/QC review, the following were examined:
• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method. 2.3 EPA Method 6020B (ICP - metals) As part of the QA/QC review, the following were examined:

• technical holding times and preservation requirements • blank analysis
• transcription/confirmation errors After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method.

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 10 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
2.4 EPA Method 7470A (total mercury)
As part of the QA/QC review, the following were examined:
• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method. 2.5 EPA 300.0 (chloride, sulfate) As part of the QA/QC review for these constituents, the following were examined:

• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors
After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the
referenced method. 2.6 EPA 310.2 (alkalinity) As part of the QA/QC review for these constituents, the following were examined:
• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors
After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method. 2.7 SM 2540C-2011 (total dissolved solids) As part of the QA/QC review for these constituents, the following were examined:
• technical holding times and preservation requirements
• blank analysis
• transcription/confirmation errors
After reviewing the quality control data provided by Pace Laboratories, the reviewer determined that the dataset met all requirements of the criteria listed above, as specified by SW-846 for the referenced method, with the exception of holding times. Samples collected from MW-4 and MW-110S were ran out of hold. The reported results are consistent with historical data.

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Attachment 10 Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

[QUALITY CONTROL DOCUMENTATION, AS PROVIDED BY THE LABORATORY, IS PRESENTED IN ATTACHMENT 7, ALONG WITH THE ASSOCIATED CERTIFICATE-OF-ANALYSIS]

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04

Attachment 11: Correspondence

Groundwater Monitoring Program July 2024 Results of Sampling and Analysis Sampling Event 38: 5.7.24 to 5.9.24 OCSWM Active C&D Facility, Permit No. 68-04
Reserved