6002_Mecklenburg_HolbrooksRoad_MSWLF_LFGReport_FID1820067_20231101

DENR USE ONLY ❑Paper Report []Electronic Data - Email CD (data loaded: Yes / No Doc/Event #:
"NC DENR I IEnvironmental Monitoring
Division of Waste Management - Solid Waste Reporting Form
Notice: This form and any information attached to it are "Public Records" as defined in NC General Statute 132-1. As such, these documents are
available for inspection and examination by any person upon request (NC General Statute 132-6).
Instructions:
Prepare one form for each individually monitored unit.
Please type or print legibly.
Attach a notification table with values that attain or exceed NC 2L groundwater standards or NC 2B surface water standards. The notification
must include a preliminary analysis of the cause and significance of each value. (e.g. naturally occurring, off -site source, pre-existing
condition, etc.).
• Attach a notification table of any groundwater or surface water values that equal or exceed the reporting limits.
• Attach a notification table of any methane gas values that attain or exceed explosive gas levels. This includes any structures on or nearby the
facility (NCAC 13B .1629 (4)(a)(i).
Send the original signed and sealed form, any tables, and Electronic Data Deliverable to: Compliance Unit, NCDENR-DWM, Solid Waste
Section, 1646 Mail Service Center, Raleigh, NC 27699-1646.
Solid Waste Monitoring Data Submittal Information
Name of entity submitting data (laboratory, consultant, facility owner):
Mecklenburg County Solid Waste Services
Contact for questions about data formatting. Include data preparer's name, telephone number and E-mail address:
Name: Amber R. Grzymski, P.G. Phone: [phone]
E-mail: [e-mail]
NC Landfill Rule: Actual sampling dates (e.g.,
Facility name: Facility Address: Facility Permit # (.0500 or. 1600) October 20-24, 2006)
Holbrooks Road Landfill 15401 Holbrooks Road 60-02 .0500 October 23, 2023
Environmental Status: (Check all that apply)
❑ Initial/Background Monitoring ❑ Detection Monitoring ❑ Assessment Monitoring ❑X Corrective Action
of data submitted: (Check all that apply)
Groundwater monitoring data from monitoring wells ❑X
Groundwater monitoring data from private water supply wells ❑X
Leachate monitoring data
Surface water monitoring data ❑
Methane gas monitoring data
Corrective action data (specify) LF Gas System & Gas Probes
Other(specify)
Notification attached?
❑No. No groundwater or surface water standards were exceeded.
Yes, a notification of values exceeding a groundwater or surface water standard is attached. It includes a list of groundwater and surface water
monitoring points, dates, analytical values, NC 2L groundwater standard, NC 2B surface water standard or NC Solid Waste GWPS and
preliminary analysis of the cause and significance of any concentration.
❑X Yes, a notification of values exceeding an explosive methane gas limit is attached. It includes the methane monitoring points, dates, sample
values and explosive methane gas limits.
Certification
To the best of my knowledge, the information reported and statements made on this data submittal and attachments are true and correct.
Furthermore, I have attached complete notification of any sampling values meeting or exceeding groundwater standards or explosive gas
levels, and a preliminary analysis of the cause and significance of concentrations exceeding groundwater standards. I am aware that there
are significant penalties for making any false statement, representation, or certification including the possibility of a fine and imprisonment.
Amber R. Grz mski, P.G.
Facili eprese tiva-Nara
Project Manager 980-314-3855
Title (Area Code) Telephone Number
/ November 1, 2023 Affix NC Lic""g
Date
2145 Suttle Ave, Charlotte, NC 28208
Facility Representative Address
iLg
Geologist Seal
NC PE Firm License Number (if applicable effective May 1, 2009)
Revised 6/2009
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MECKLENBURG COUNTY
Land Use and Environmental Services Agency
Solid Waste Services
November 1, 2023
Jaclynne Drummond
North Carolina Department of Environment
and Natural Resources
Division of Waste Management
2090 US Highway 70
Swannanoa, NC 28778
Subject: Holbrooks Road Landfill Permit 60-02
October 2023 Monthly CAP Report
Dear Ms. Drummond:
Mecklenburg County conducted monthly corrective action plan monitoring at the closed
Holbrooks Road Landfill on October 23, 2023, in accordance with the approved corrective action
plan dated November 2, 2018. This report details the results of that monitoring event.
Samples were collected from nine (9) landfill gas probes (HP-3, HP-4, HP-8R, HP-9, HP15R,
HP- 16R, HP- 18R, HP-24, HP-25, HP-26 and HP-27), nine (9) trench vents (MV-1, MV-2, MV-3,
MV-4, MV-5, MV-6, MV-7, MV-8 and MV-9), one on site building (Building), the passive flare
landfill gas system (SYS2) and the active landfill gas system (SYST, GWO1 and GW02).
Results of the landfill gas extraction systems are shown in Table 1. The Landfill Gas Monitoring
Data Form is also attached. The removal of water from the gas system has improved performance
and restored the vacuum to the gas wells. The valve on probe HP-9 is fully open and has been
since the modifications were complete on February 18, 2022. Tile valve will remain open to vent
the landfill gas in this area.
Please contact me at amber.grzyniski inecklenbur cg oun - nc.gov or [phone] if you have
any questions regarding this report.
SinceWGrzymsi,
Ambe
Project Manager
Solid Waste Services
PEOPLE • PRIDE • PROGRESS • PARTNERSHIP
2145 Suale Ave • Charlotte, North Carolina 28208 • [phone]
www.wi peoutwaste. co m

DATE: October 23, 2023
BY: David Coleman
TABLE 1
Hol brooks Road CI osed NSW Landf i I I
Landf i I I Gas Col I ect i on and Cont r of Syst ern Nbni t or i ng
Oct ober 2023
Devi ce I D
Dat e/ Ti rre
CH4
CCQ
OQ
Bal ance
I ni t .
Temper at ur a
I i tic
pressure
St at i c
Pressure
Adj . a f f .
Pressure*
I ni t .
Flow
Adj .
FI ow
Syst ern
Pressure
mid dd/ yyyy
%
%
%
%
deg F
i n H2O
i n H2O
i n H2O
SO m
SO m
in H2O
Syst
10/23/202314:49
8.8
11.1
10.8
69.3
79
-23.05
-20.68
-0.008
0.0
0.0
N/A
GW01
10/23/202315:05
6.3
11.3
8.0
74.4
69
-20.85
-22.77
0.005
5.3
2.4
-22.79
GW02
10/23/202315:11
12.4
11.4
12.1
64.1
70
-17.78
-17.96
-0.002
N/A
N/A
-20.48
Sys2
10/23/202314:41
0.0
10.7
9.2
80.1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
*The differential pressure measurement should be positive. A negative differential pressure may indicate no gas flow. Negative differential pressure
can be the result of dirt or water obstructing the pitot tube perforations. Overpulling by adjacent extraction wells may also result in negative pressure
being displayed.
NR= not recorded

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REFERENCES
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1. TOPOGRAPHY FROM NCDOT GIS DEPARTMENT, BASED ON LIDAR DATA
_CZ3_J LUj o
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PROVIDED BY THE NC FLOOD MAPPING PROGRAM. TOPOGRAPHY IN
= = CM Q
ACTIVE AREAS FROM AERIAL SURVEY DATED FEBRUARY 27, 2018.
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2. PARCEL BOUNDARIES, STRUCTURE LOCATIONS, MONITORING WELLS,
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AND STREAM CENTERLINES FROM MECKLENBURG GIS DEPARTMENT.
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© 2019 Smith Gardner,
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NC Division of Waste Management - Solid Waste Section
Landfill Gas Monitoring Data Form
Notice: This form and any information attached to it are 'Public Records" as defined in NC General Statute 132-1. As such, these documents are
available for inspection and examination by any person upon request (NC General Statute 132-6).
Facility Name: Holbrooks Road Landfill Permit Number: 60-02
Sampling Date: 10/23/23 NC Landfill Rule (.0500 or .1600): .0500
Sample Collector Name & Position: David Coleman, Environmental Specialist
Gas Meter Type & Serial Number: GEM 5000 #G507530 Gas Meter Calibration Date: 4/18/2023
Field Calibration Date & Tune: 10/23/23 12:50
Field Calibration Gas Type (15115 or 35/50): 35/50 Field Calibration Gas Canister Expiration Date: January 2028
Gas Meter Pump Rate: 120 seconds
Ambient Air Temperature: 66 Barometric Pressure (in. or mm Hg): 29.49 Weather Conditions: Sunny, winds ENE 4
Instructions: Under "Location or LFG Well", list monitoring well # or describe monitoring location (e.g., inside field office).
Attach a test location man or drawing. Report methane readings as both % LEL and % CH4 by
volume. Convert % CH4 (by volume) to % LEL as follows: % methane (by volume) x 20 = % LEL.
*Hydrogen Sulfide (H2S) gas monitoring may be required for Construction & Demolition Landfills
(CDLFs). See individual permit conditions and/or Facility LFG monitoring plan.
Location or
LFG Well ID
Sample
Tube
purge
Time of
Day
Time
Pumped
(sec)
Initial
% LEL
Stabilized
% LEL
% CH4
(volume)
% CO2
(volume)
% 02
(volume)
% H2S*
(volume)
NOTES
HP-3
YES
13:41
120
0
0
4.1
15.8
N/A
HP-4
YES
13:47
120
0
0
3.4
17.3
N/A
HP-8R
YES
13:30
120
0
0
0.1
19.5
N/A
HP-9
YES
12:55
120
0
0
0
20.3
N/A
HP-15R
YES
13:22
120
0
0
0
20.0
N/A
HP-16R
YES
13:18
120
0
0
2.1
19.1
N/A
HP- 18R
YES
13:25
120
0
0
3.3
17.6
N/A
HP-24
YES
13:59
120
0
0
15.0
4.6
N/A
HP-25
YES
13:53
1 120
8
0.4
5.2
14.6
N/A
HP-26
YES
13:12
120
0
0
3.6
17.2
N/A
HP-27
YES
13:02
120
0
0
0.1
20.2
N/A
BUILDING
YES
13:35
120
0
0
0
19.5
N/A
MV-1
YES
14:03
120
0
1 0
8.4
10.2
1 N/A
Passive Methane Trench Vent
MV-2
YES
14:06
120
0
0
3.9
15.1
N/A
Passive Methane Trench Vent
MV-3
YES
14:09
120
1
0
0
7.9
11.3
N/A
Passive Methane Trench Vent
MV-4
YES
14:13
120
0
0
5.9
13.5
N/A
Passive Methane Trench Vent
MV-5
YES
14:17
120
0
0
6.0
12.7
N/A
Passive Methane Trench Vent
MV-6
YES
14:21
120
0
0
0.7
19.6
N/A
Passive Methane Trench Vent
MV-7
YES
14:24
120
0
0
2.7
17.9
N/A
Passive Methane Trench Vent
MV-8
YES
14:28
120
0
0
3.1
17.3
N/A
Passive Methane Trench Vent
MV-9
YES
14:32
120
0
0
3.4
17.1
N/A
Passive Methane Trench Vent
NOTE: Ifneeded, attach additional data forms to include additional LFG monitoring data locations for the facility.
ACTION LEVELS: Methane: _>1.25% by volume (inside structures) AND _>5% by volume (at facility boundary)
Hydrogen Sulfide: >1 % by volume (inside structures) AND >4% by volume (at facility boundary)
Certification
To the best of my knowledge, the information reported and statements made on this data submittal and
attachments are true and correct. I am aware that there are significant penalties for making any false statement,
representation, 0 certification including the possibility of a fine and imprisonment.
GN0/RCD1,jM0,j-M6 8/xc,)A�hS-I`
IGNATURE TITLE
Revised -August 23, 2021

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q7urce: Esri, Di:gital_Globe, GeoE a arths4ar Geographies, CNE /Airbus DS, USD'
and the GIS User Community •
REFERENCES
1. PROPERTYLINES, MONITORING WELLS, AND STREAMS FROM
MECKLENBURG COUNTYGIS DEPARTMENT.
2. FROM DRAWING"GROUNDWATER MONITORING WELL AND
BORING LOCATION MAP" DATED MARCH 2O10, SHEET S2 OF 19,
PREPARED BYBP BARBER.
3. FROM DRAWING "SITE MAP WITH WELL LOCATIONS' DATED
AUGUST2013, FIGURE 1. PREPARED BYENVIRO-PRO.
4. FLOOD ZONES SOURCED FROM NC ONE MAP GIS SERVICE.
0 75 150 225 300
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