NCG080799_2023 DMR_20230110

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discharge Monitoring Report(DMR) Form for NCG080000
Transit and Transportation
Click here for instructions
Complete,sign,scan and submit the DMR via the Stormwater NPDES Permit Data Monitoring Report(DMR)Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the appropriate DEMLR Regional Office.
Certificate of Coverage No. NCGO8 0799 Person Collecting Samples: Lorien Deaton
Facility Name:Hugh Medford Municipal Operations Center Laboratory Name: Pace Analytical
Facility County: Guilford Laboratory Cert. No.: 12
Discharge during this period: ✓�Yes ®No (if no,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances?fYes No
If so,which Tier(I, II,or III)?
A copy of this DMR has been uploaded electronically via https://edocs.deq.nc.gov/Forms/SW-DMR ❑Yes ®No
Date Uploaded:
Analytical Monitoring Requirements for Vehicle&Equipment Maintenance Areas—Benchmarks in (Red)
Parameter Parameter Outfall A Outfall C Outfall E Outfall Outfall
Code
N/A Receiving Stream Class South Buffalo Creek South Buffalo Creek South Buffalo Creek
N/A Date Sample Collected MM/DD/YYYY 01/04/23 Not sampled 01/04/23
46529 24-Hour Rainfall in inches 0.64 0.64
C0530 TSS in mg/L(100 or 50*) 33.2 25.0
00552 Non-Polar Oil&Grease in mg/L(15) ND ND
pH in standard units(6.0—9.0 FW,
00400 6.8-8.5SW)
6.2 6.6
NCOIL Estimated New Motor/Hydraulic Oil
Usage in gal/month 350
* Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HQW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of 50 mg/L.All other water classifications have a benchmark of 100 mg/L
FW(Freshwater)SW(Saltwater)
Notes(optional): Outfall C flows directly from a parking lot,the 30 minute window had passed so the outfall wasn't sampled.
"I certify by my signature below,under penalty of law,that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted.Based on my
inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the information,the information
submitted is,to the best of my knowledge and belief,true,accurate,and complete.I am aware that there are significant penalties for submitting
false information,inclu ing the possibility of 'nes and imprisonment for knowing violations."
01/10/2023
Signature o ermittee or Delegated Author ized Individual Date
[e-mail] 336-209-8934
Email Address Phone Number

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
January 10, 2023
Richard P Lovett
City of Greensboro Field Operations Department
401 Patton Ave
Greensboro, NC 27406
RE: Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Dear Richard Lovett:
Enclosed are the analytical results for sample(s)received by the laboratory on January 04, 2023. 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
• Pace Analytical Services- Eden
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Tyriek Hooks
[e-mail]
[phone]
Project Manager
Enclosures
cc: Lorien Deaton,City of Greensboro Field Operations
Department
4`3 REPORT OF LABORATORY ANALYSIS
I, / This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 1 of 1 1
4e0, 6

Pace Analytical Services,LLC
i ® 9800 Kincey Ave. Suite 100
aceAnalytcal
Huntersville,NC 28078
www.pacelabs.com [phone]
CERTIFICATIONS
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Pace Analytical Services Charlotte
South Carolina Laboratory ID:99006 South Carolina Certification#:99006001
9800 Kincey Ave.Ste 100, Huntersville, NC 28078 South Carolina Drinking Water Cert.#:99006003
North Carolina Drinking Water Certification#:37706 Florida/NELAP Certification#: E87627
North Carolina Field Services Certification#:5342 Kentucky UST Certification#:84
North Carolina Wastewater Certification#: 12 Louisiana DoH Drinking Water#: LA029
South Carolina Laboratory ID:99006 Virginia/VELAP Certification#:460221
Pace Analytical Services Eden
205 East Meadow Road Suite A, Eden, NC 27288 North Carolina Wastewater Certification#:633
North Carolina Drinking Water Certification#:37738 Virginia/VELAP Certification#:460025
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 2 of 11

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
SAMPLE ANALYTE COUNT
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92645039001 OUTFALL A SM 2540D-2015 VLG 1 PASI-E
EPA 1664E REL 1 PASI-C
92645039002 OUTFALL E SM 2540D-2015 VLG 1 PASI-E
EPA 1664E REL 1 PASI-C
PASI-C=Pace Analytical Services-Charlotte
PASI-E=Pace Analytical Services-Eden
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 3 of 11

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
ANALYTICAL RESULTS
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Sample: OUTFALL A Lab ID: 92645039001 Collected: 01/04/23 10:04 Received: 01/04/23 14:27 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2015
Pace Analytical Services-Eden
Total Suspended Solids 33.2 mg/L 6.3 1 01/06/23 09:00
HEM,Oil and Grease Analytical Method: EPA 1664E
Pace Analytical Services-Charlotte
Oil and Grease ND mg/L 4.9 1 01/10/23 00:55
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 4 of 11

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
ANALYTICAL RESULTS
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Sample: OUTFALL E Lab ID: 92645039002 Collected: 01/04/23 10:15 Received: 01/04/23 14:27 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method:SM 2540D-2015
Pace Analytical Services-Eden
Total Suspended Solids 25.0 mg/L 6.0 1 01/06/23 09:00
HEM,Oil and Grease Analytical Method: EPA 1664E
Pace Analytical Services-Charlotte
Oil and Grease ND mg/L 4.9 1 01/10/23 00:55
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 5 of 11

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
QC Batch: 747542 Analysis Method: SM 2540D-2015
QC Batch Method: SM 2540D-2015 Analysis Description: 2540D Total Suspended Solids
Laboratory: Pace Analytical Services-Eden
Associated Lab Samples: 92645039001,92645039002
METHOD BLANK: 3886464 Matrix: Water
Associated Lab Samples: 92645039001,92645039002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Total Suspended Solids mg/L ND 2.5 01/06/23 08:57
LABORATORY CONTROL SAMPLE: 3886465
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Total Suspended Solids mg/L 250 236 94 90-110
SAMPLE DUPLICATE: 3886466
92645075001 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 376 384 2
SAMPLE DUPLICATE: 3886467
92644979001 Dup
Parameter Units Result Result RPD Qualifiers
Total Suspended Solids mg/L 184 188 2
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 6 of 11

Pace Analytical Services,LLC
i ® 9800 Kincey Ave. Suite 100
aceAnalytcal
Huntersville,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
QC Batch: 748208 Analysis Method: EPA 1664B
QC Batch Method: EPA 1664E Analysis Description: 1664 HEM,Oil and Grease
Laboratory: Pace Analytical Services-Charlotte
Associated Lab Samples: 92645039001,92645039002
METHOD BLANK: 3889615 Matrix: Water
Associated Lab Samples: 92645039001,92645039002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Oil and Grease mg/L ND 5.0 01/10/23 00:55
LABORATORY CONTROL SAMPLE: 3889616
Spike LCS LCS %Rec
Parameter Units Conc. Result %Rec Limits Qualifiers
Oil and Grease mg/L 40 34.3 86 78-114
MATRIX SPIKE SAMPLE: 3889617
92644868002 Spike MS MS %Rec
Parameter Units Result Conc. Result %Rec Limits Qualifiers
Oil and Grease mg/L ND 40 38.0 89 78-114
SAMPLE DUPLICATE: 3889618
92645185001 Dup
Parameter Units Result Result RPD Qualifiers
Oil and Grease mg/L ND ND
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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 7 of 11

Pace Analytical Services,LLC
i ® 9800 Kincey Ave. Suite 100
aceAnalytcal
Huntersville,NC 28078
www.pacelabs.com [phone]
QUALIFIERS
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
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 EPA
Method 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.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 8 of 11

Pace Analytical Services,LLC
aceAnalytical0 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: HMMOC SERVICE CENTER
Pace Project No.: 92645039
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92645039001 OUTFALL A SM 25400-2015 747542
92645039002 OUTFALL E SM 25400-2015 747542
92645039001 OUTFALL A EPA 1664B 748208
92645039002 OUTFALL E EPA 1664B 748208
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/10/2023 03:09 PM without the written consent of Pace Analytical Services,LLC. Page 9 of 11

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Page 10 of 11

Document Name: Document Issued:November 15,2021
Bottle Identification Form(BIF)
BIF) Page 1 of 1
•
ace Analytical Document No.:
Issuing Authority:
F-CAR-Cs-043-Rev•01 Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is Project#
verified and within the acceptance range for preservation o F
samples. �� f y
Exceptions:VCA,Conform,TOC,Oil and Grease,DRO/3C15(water)DCC,LLHg 6 Y Q e h tI b
**Bottom half of box is to list number of bottles
-- —
a o " <
u p N < < z
z 2 \ Z
Z To T - Z N N ` ^ C Z Z N z < ui
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a a 2 u = - a% — c N ` v - Q ? Z = I I < 3
Z = 7
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c c c f. c O Z < O U G c O '^ E Z O el Z M = `-' `_' N IV > d
u u u 6 u _ DI' c O > n ,� c c G
._7. «- .. " .c ci - -, L7 c m a a z O O c
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pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative
Lot#
adjusted added
Note: Whenever there Is a discrepancy affecting North Carolina compliance samples,a copy of this form will he sent to the North Carolina DEHNR Certification Office i.e.
Out of hold,incorrect preservative,out of temp,incorrect containers.
Page 11 of 11

1/9/23, 10:29 AM USGS Current Conditions for USGS 02094770 SOUTH BUFFALO CREEK AT US 220 AT GREENSBORO,NC
USGS Home
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science for a changing world Search USGS
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USGS Water Resources Data Cateaorv: Geoaraohic Area:
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USGS 02094770 SOUTH BUFFALO CREEK AT US 220
AT GREENSBORO, NC
PROVISIONAL DATA SUBJECT TO REVISION
Available data for this site Time-series: Daily data se GO
Click to hidestation-specific text
r
This station is operated in cooperation with the City of Greensboro, North
L
g Carolina.
GREENSBORO
This station managed by the South Atlantic WSC Raleigh Field Office.
Available Parameters Period of Record
• All 3 Available Parameters for this site
IN 00045 Precipitation(Sum) 1999-09-30 2023-01-08
O 00060 Discharge(Max.,Min.,Mean) 1998-08-01 2023-01-08
O 00065 Gage height(Max.,Min.,Mean) 1998-07-21 2023-01-08
Output format
O Graph
O Graph w/ stats
O Graph w/ meas
O Graph w/ (up to 3) parms
O Table
O Tab-separated
Days (o) Summary of all available data for this site GO
Instantaneous-data availability statement
-- or --
Begin date
2023-01-04
End date
2023-01-04
https://waterdata.usgs.gov/nc/nwis/dv?cb_00045=on&format=html&site_no=02094770&legacy=&referred_module=sw&period=&begin_date=2023-01-... 1/2

1/9/23, 10:29 AM USGS Current Conditions for USGS 02094770 SOUTH BUFFALO CREEK AT US 220 AT GREENSBORO, NC
Daily Sum
Precipitation,
total, inches_
DATE Tan
20231
04 0.64P
I
COUNT 1
MAX 0.64
MIN 0.64
Explanation
P i Provisional data subject to revision.
Questions about sites/data?
Feedback on this web site
Automated retrievals
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Explanation of terms
Subscribe for system changes
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Accessibility FOIA Privacy Policies and Notices
U.S. Department of the Interior I U.S. Geological Survey USA.g271
Title: USGS Surface-Water Daily Data for North Carolina
URL: https://waterdata.usgs.gov/nc/nwis/dv?
Page Contact Information: North Carolina Water Data Support Team
Page Last Modified: 2023-01-09 10:28:51 EST
1.55 1.48 vaww02
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Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-resources/
npdes-stormwater-gps
Permit No.: N/C/ / / / / / / / or Certificate of Coverage No.: N/C/G/0 /8 /0 / 7/ 9/9/
Facility Name: Hugh Medford Municipal Operations Center
County: Guilford Phone No. 336-209-8934
Inspector: Lorien Deaton
Date of Inspection: 01/04/2023
Time of Inspection: 1004
Total Event Precipitation(inches): 0.64
All permits require qualitative monitoring to be performed during a"measurable storm event."
A"measurable storm event"is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-hour storm
interval does not apply if the permittee is able to document that a shorter interval is representative for
local storm events during the sampling period,and the permittee obtains approval from the local DEMLR
Regional Office.
By this signature,I certify that this report is accurate and complete to the best of my knowledge:
1.?6*-11
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. A Structure(pipe,ditch,etc.): Retention Pond
Receiving Stream:
South Buffalo Creek
Describe the industrial activities that occur within the outfall drainage area: Equipment storage,
Employee parking, soil stockple
Page 1 of 2
SWU-242,Last modified 06/01/2018

2. Color: Describe the color of the discharge using basic colors(red, brown, blue, etc.) and tint
(light, medium, dark)as descriptors: Clear
3. Odor: Describe any distinct odors that the discharge may have(i.e., smells strongly of oil, weak
chlorine odor, etc.): none
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
10 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
pl 2 3 4 5
7. Is there any foam in the stormwater discharge? 0 Yes }i? No.
8. Is there an oil sheen in the stormwater discharge? °Yes R. No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes sic.No.
10. Other Obvious Indicators of Stormwater Pollution:
List and describe
Note: Low clarity, high solids, and/or the presence of foam, oil sheen,or erosion/deposition may be
indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242,Last modified 06/01/2018

Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-resources/
npdes-stormwater-gps
Permit No.: N/C/ / / / / / / / or Certificate of Coverage No.: N/C/G/0 /8 /0 / 7/ 9/9/
Facility Name: Hugh Medford Municipal Operations Center }�
County: Guilford Phone No. 336-209-8934
Inspector: Lorien Deaton
Date of Inspection: 01/04/2023
Time of Inspection: 1015
Total Event Precipitation(inches): 0.64
All permits require qualitative monitoring to be performed during a"measurable storm event."
A"measurable storm event" is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-hour storm
interval does not apply if the permittee is able to document that a shorter interval is representative for
local storm events during the sampling period,and the permittee obtains approval from the local DEMLR
Regional Office.
By this signature,I certify that this report is accurate and complete to the best of my knowledge:
ignature of Permittee or D ignee)
1. Outfall Description:
Outfall No. E Structure(pipe, ditch,etc.): Stormwater Conveyance
Receiving Stream: Mile Run Creek
Describe the industrial activities that occur within the outfall drainage area: Road salt storage.
Employee parking,mulch storage
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2. Color: Describe the color of the discharge using basic colors(red,brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Light brown
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak
chlorine odor, etc.): none
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear
and 5 is very cloudy:
O 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
IQ 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
© 2 3 4 5
7. Is there any foam in the stormwater discharge? 0 Yes 5p No.
8. Is there an oil sheen in the stormwater discharge? °Yes c No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes No.
10. Other Obvious Indicators of Stormwater Pollution:
List and describe
Note: Low clarity, high solids, and/or the presence of foam,oil sheen, or erosion/deposition may be
indicative of pollutant exposure. These conditions warrant further investigation.
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