Item #35 - MS4 Site Eval_Outfall #1

Initial Dry Weather Outfall Screening Report by Hired Consultant, HDR
FNOutfall ID: OF_138
Stormwater Outfall Screening Inventory Field Data Report
Outfall ID: OF_138 Outfall Screening ID: HDR2021_OF_138
General Information:
General descriptive information about the outfall and it's drainage area. Information is prepopulated from the
database and updated as needed during screening.
Location Description:
Coordinates:
66 ft from the intersection of NELSON ST and W
Latitude: 36.068307 Longitude:-80.248591
DEVONSHIRE ST @ a bearing of 56 de
Pipe Diameter/Height:
Channel:
30
0 N/A
Conveyance Material:
Type of Single Conveyance:
RCP
PO
Outfall Geometry:
Outfall Position:
CIR
DSRB
Number of Barrels:
Outfall Outlet Position:
1
Below
Condition of Structure:
Drainage Area: Drainage Acreage:
Poor
<Null> 14.7
Dominant Land Use Within Drainage Area:
Does the facility have a NPDES stormwater permit?
Single Family Residential
If yes, what is the SIC code of the facility?
Optional Permit Description:
Previous Potential Pollutants:
Narrative Description of Outfall Location:
Approximate Outfall Location:
NC CGIA, Earthster Oeogrsphics I -State of North Cerolina DOT,___ Powered by Esri
Page 1 of 3

Outfall ID: OF 138
4 '
t
Photo:
Description:
Discharge Identification:
Initial screening data. This table is completed for all outfalls.
Date and Time:
December 2, 2021 9:47 AM
Name of Receiving Stream:
Middle Salem Creek
Inspector:
Time Since Last Rainfall (days):
SN
6
Dry Weather Discharge Present:
Yes
D�Weather Screening Screening:
If dry weather discharge is present, complete the following table. Determine if there is a need for further investigation.
Flow Volume: Trickle
Indicator
Check if
Present
Description
Odor
Yes
Sewage
Relative
Severity
Easily Detected
Color
No
Relative
Severity
Clarity
Yes
Cloud
Comments
Grayish couldiness.
Floatables
No
Page 2 of 3

FEZ
Outfall ID: OF 138
Relative
Severity
Deposits/Stains
No
Comments
Abnormal Vegetation
No
Comments
Conveyance Benthic
Growth
Yes
Green
Comments
Investigation status? Identified for further investigation
Comments:
Residents stated that stream section smells of sewage after rain events and further investigation needed.
Field Investigation:
If outfall is recommended for follow up investigation, perform sampling and complete the following table.
Inspector:
Date and Time:
Sample Locations :
Ammonia:
m /L
m /L
m /L
Flow Estimation:
Trickle
Moderate
Substantial
Trickle
Moderate
Substantial
Trickle
Moderate
Substantial
Conductivity:
PS/cmPS/cmPS/cm
Detergents:
mg/L
m /L
m /L
DO:
mg/L
% Saturation
mg/L
% Saturation
mg/L
% Saturation
Nitrate:
m /L
m /L
m /L
H:
S.U.
S.U.
S.U.
Temperature.
°C
°C
°C
Total Dissolved Solids:
m /L
m /L
m /L
Sample Specific Comments:
Over all Comments:
Follow up Actions:
After all necessary inspections are completed, mark the inspection status as complete and select the outcome of the
investigation.
Investigation Status: L Complete
Outcome:
❑ Allowable
❑ Inconclusive
Illicit and NOV was issued
Page 3 of 3

Stormwater Illicit Discharge Complaint Report
Reporting Entity
Name of Contact Person: Neil Uldrick
Title of Contact Person: Stormwater Civil Engineer
Phone Number(s): (336) — 747 - 9619
Date of Occurrence: December 3, 2021
Time of Occurrence: 2:00 PM
Alleged Illicit Activity Information
Business Name, if applicable: N/A
Responsible Owner's Name: N/A
Title of Responsible Person: N/A
Address: 0 Nelson Street
Parcel Number of Location: 6834-16-0034.000
Phone Numbers(s): N/A
Description of Complaint: HDR reported to Neil Uldrick on December 3, 2021, about an outfall
with green benthic growth, gray cloudy water, and a smell of sewage. Neil sent this information to
stormwater staff on December 3, 2021 for further investigation.
Action Items to be Resolved: Stormwater arrived to investigate on December 3, 2021 at 2:00 PM.
The outfall had a gray cloudy appearance, but no smell of sewage. YSI parameters were measured,
and they were in a safe range. Staff then opened a storm drain manhole, and a sewer manhole that
were 20 ft away from the outfall to see any evidence of a sewer leak. The storm drain fed the outfall,
had active discharge, and is fed by storm drains on the corner of Nelson St and Devonshire St, and by
storm drains on Sprague St. There is also a sewer line that runs across the creek below the outfall, that
comes from Brookline St. Stormwater staff dyed this sewer line, and the sewer line on Sprague St and
Nelson St. The dye was not observed in the storm drain manhole, or in the outfall/creek. Staff then
left the location. Stormwater staff returned to finish its investigation on December 6, 2021. Staff
arrived to the location at 9:00 AM. Staff dyed a sewer manhole further up the street on Sprague St,
and the sewer manhole cover 20 ft from the outfall. YSI parameters were measured to be the same as
December 3, 2021 while staff waited for dye to show up at the outfall. The dye was not observed and
there was no smell of sewage. Staff then left the site.
Result: These results will be returned to Neil Uldrick for HDR to look over.
Report Investigated by: Robert Dockery, Nick Hole
CSR #: N/A
Stormwater, City of Winston-Salem
Suite 53, City Hall, 101 N. Main Street, Winston-Salem, NC 27101 P.O.
Box 2511, Winston-Salem, NC 27102-2511
00tgUnko citylink(&cityofws.org, [phone]. Fax: Stormwater [phone]; Admin [phone]

Training Records of Stormwater Field Staff for Dry Weather Outfall Screening
Training Sign -in Sheet
Training
earning about pH as it relates to water quality monitoring
-Description
Purpose
To determine What is pH, factors affecting pH, buffering capacities, and pH of
household and environmental substances
littps://www.mvsuwanncei-ivei-.corn/423/pH
Date and Duration
2/17/22 10:00am-10:15am 15 mins
Print and Sign Name
Position
Employenumbe
/✓�G %iil.�
�iww C�G�vI.i�G►rl
152
Facilitator Name: LC'J°-V"' C4"''" L% 11
Facilitator Signature:
6 Page 1 of 1

Training Sign -in Sheet
Training
ethod 425.1
Description
Methylene Blue Active Substances (MBAS)
Purpose
To learn about the determination of methylene blue active substances (MBAS) in
drinking waters, surface waters, domestic and industrial wastes
https://www.keikaventures.com/anal3iicalmethod.php?m= 1489
Date and Duration
2/18/223:00pm-3:15 15 minutes
Print and Si n Name
Position
Employenembe
10 G l�
S 1lo w. wl — U r v" ,w,
I IS21.
Ahf
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16
Facilitator Name: �.a�4u Clrr'" � Ta.-gel /I
Facilitator Signature:
Page 1 of 1

Training Sign -in Sheet
Training
Description
What are surfactants and how do they work?
Purpose
To learn about the surfactant basics, the four types, and how Surfactants absorb at
interfaces
his://www.biolinscientific.com/bloe/what-are-surfactants-and-how-do-they-
Date and Duration
2/18/22 3:15pm — 3:30pm 15 minutes
Print and Si n Name
\vAt j
AlttCk l
Position
S b'vr%t,Ar 0 o'cA'ro 3v ��k
Employenum,e
I ISOt
Facilitator Name:
Facilitator Signature:
Page 1 of 1

Training Sign -in Sheet
Training ILearni ng about conductivity as itrel atesto water quality monitoring
Purpose Conductivity
sty Measurements,
t is m nductivity, Measuring Conductivity, Applying
Conductivity Measurements,
littps://www.mysuwanneeriver.coiTi/42I/Conductivity
Date and Duration 2/17/22 10:15am-1 0:30am 15 mins
Print and Si n Name
Position
a161150\
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S oAf r L1"
numb
15Z 4
1
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Facilitator Name: �[�a}aC�a--t./ J
Facilitator Signature: yc( 'Cam,
bPage 1 of 1

Training Sign -in Sheet
Training
Reading over State of Michigan's Environmental PDF that discusses the origins of foam
Description
Purpose
To be able to determine the causes of foam on illicit discharges in order to specify
which one is the cause for that specific IDDE.
Date and Duration
February 11, 20223:30pm-3:45pm 15 mins
Print and Sikin Name
Position
employe numb
L4do,\. QoHe
�icP►wo�c—U t lw $ cv�>r
t150
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�,c{v(�.s fla(a
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Facilitator Name: hc�UCh� C,�wt• '��`^•��'
Facilitator Signature:
L� Page 1 of 1

Rainfall Gauge Data validating Dry Weather Conditions - May 12, 2022
Recent Conditions from KINT
Smith Reynolds Airport
From the State Climate Office of North Carolina (climate.ncsu.edu)
Date/Time (Eastern)
5/4/2022 0:00
5/4/2022 1:00
5/4/2022 2:00
5/4/2022 3:00
5/4/2022 4:00
5/4/2022 5:00
5/4/2022 6:00
5/4/2022 7:00
5/4/2022 8:00
5/4/2022 9:00
5/4/2022 10:00
5/4/2022 11:00
5/4/2022 12:00
5/4/2022 13:00
5/4/2022 14:00
5/4/2022 15:00
5/4/2022 16:00
5/4/2022 17:00
5/4/2022 18:00
5/4/2022 19:00
5/4/2022 20:00
5/4/2022 21:00
5/4/2022 22:00
5/4/2022 23:00
5/5/2022 0:00
5/5/2022 1:00
5/5/2022 2:00
5/5/2022 3:00
5/5/2022 4:00
5/5/2022 5:00
5/5/2022 6:00
5/5/2022 7:00
5/5/2022 8:00
5/5/2022 9:00
5/5/2022 10:00
5/5/2022 11:00
5/5/2022 12:00
5/5/2022 13:00
5/5/2022 14:00
5/5/2022 15:00
5/5/2022 16:00
5/5/2022 17:00
Total Precipitation (1m)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

5/5/2022 18:00
0
5/5/2022 19:00
0
5/5/2022 20:00
0
5/5/2022 21:00
0
5/5/2022 22:00
0
5/5/2022 23:00
0
5/6/2022 0:00
0
5/6/2022 1:00
0
5/6/2022 2:00
0
5/6/2022 3:00
0
5/6/2022 4:00
0
5/6/2022 5:00
0
5/6/2022 6:00
0
5/6/2022 7:00
0
5/6/2022 8:00
0.01
5/6/2022 9:00
0
5/6/2022 10:00
0
5/6/2022 11:00
0
5/6/2022 12:00
0
5/6/2022 13:00
0
5/6/2022 14:00
0
5/6/2022 15:00
0
5/6/2022 16:00
0.1
5/6/202217:00
0.02
5/6/2022 18:00
0
5/6/2022 19:00
0
5/6/2022 20:00
0.01
5/6/2022 21:00
0.07
5/6/2022 22:00
0.05
5/6/2022 23:00
0
5/7/2022 0:00
0
5/7/2022 1:00
0
5/7/2022 2:00
0
5/7/2022 3:00
0
5/7/2022 4:00
0
5/7/2022 5:00
0
5/7/2022 6:00
0
5/7/2022 7:00
0
5/7/2022 8:00
0
5/7/2022 9:00
0
5/7/2022 10:00
0
5/7/2022 11:00
0
5/7/2022 12:00
0
5/7/2022 13:00
0
5/7/2022 14:00
0
5/7/202215:00
0.01
5/7/202216:00
0.22

5/7/202217:00
0.02
5/7/202218:00
0.02
5/7/2022 19:00
0.02
5/7/2022 20:00
0
5/7/2022 21:00
0
5/7/2022 22:00
0
5/7/2022 23:00
0
5/8/2022 0:00
0
5/8/2022 1:00
0
5/8/2022 2:00
0
5/8/2022 3:00
0
5/8/2022 4:00
0
5/8/2022 5:00
0
5/8/2022 6:00
0
5/8/2022 7:00
0
5/8/2022 8:00
0
5/8/2022 9:00
0
5/8/2022 10:00
0
5/8/2022 11:00
0
5/8/2022 12:00
0
5/8/2022 13:00
0
5/8/2022 14:00
0
5/8/2022 15:00
0
5/8/2022 16:00
0
5/8/2022 17:00
0
5/8/2022 18:00
0
5/8/2022 19:00
0
5/8/2022 20:00
0
5/8/2022 21:00
0
5/8/2022 22:00
0
5/8/2022 23:00
0
5/9/2022 0:00
0
5/9/2022 1:00
0
5/9/2022 2:00
0
5/9/2022 3:00
0
5/9/2022 4:00
0
5/9/2022 5:00
0
5/9/2022 6:00
0
5/9/2022 7:00
0
5/9/2022 8:00
0
5/9/2022 9:00
0
5/9/2022 10:00
0
5/9/2022 11:00
0
5/9/2022 12:00
0
5/9/2022 13:00
0
5/9/2022 14:00
0
5/9/2022 15:00
0

5/9/2022 16:00
0
5/9/2022 17:00
0
5/9/2022 18:00
0
5/9/2022 19:00
0
5/9/2022 20:00
0
5/9/2022 21:00
0
5/9/2022 22:00
0
5/9/2022 23:00
0
5/10/2022 0:00
0
5/10/2022 1:00
0
5/10/2022 2:00
0
5/10/2022 3:00
0
5/10/2022 4:00
0
5/10/2022 5:00
0
5/10/2022 6:00
0
5/10/2022 7:00
0
5/10/2022 8:00
0
5/10/2022 9:00
0
5/10/2022 10:00
0
5/10/2022 11:00
0
5/10/2022 12:00
0
5/10/2022 13:00
0
5/10/2022 14:00
0
5/10/2022 15:00
0
5/10/2022 16:00
0
5/10/2022 17:00
0
5/10/2022 18:00
0
5/10/2022 19:00
0
5/10/2022 20:00
0
5/10/2022 21:00
0
5/10/2022 22:00
0
5/10/2022 23:00
0
5/11/2022 0:00
0
5/11/2022 1:00
0
5/11/2022 2:00
0
5/11/2022 3:00
0
5/11/2022 4:00
0
5/11/2022 5:00
0
5/11/2022 6:00
0
5/11/2022 7:00
0
5/11/2022 8:00
0
5/11/2022 9:00
0
5/11/2022 10:00
0
0.54
5/11/2022 11:00 NaN
5/11/2022 12:00 NaN
5/11/2022 13:00 NaN

5/11/202214:00 NaN
5/11/2022 15:00 NaN
5/11/202216:00 NaN
5/11/2022 17:00 NaN
5/11/202218:00 NaN
5/11/2022 19:00 NaN
5/11/2022 20:00 NaN
5/11/2022 21:00 NaN
5/11/2022 22:00 NaN
5/11/2022 23:00 NaN

Cil�uf Klnslon-Salem
Storm IT
Dicixiou
City of Winston-Salem
Stormwater Division
Field Testing for Potential Pollutants
IDDE/TMDL Field Sampling
Watershed: 1Q �jjj k. Qrrc K
Location # 1: /4/6-0n aw�Ll AAII N64ru. Oool
Initials of Temp. Conductivity TDS DO DO Ammonia Nitrate
Date Time Analvst I C 1 Im mhnclrml Imnn I IM. 11 1 to/ �. +
IT
a'
0,0
Location # 2:
Initials of
Date Time Analvst
'emp.
Conductivity
TDS
DO DO Ammonia Nitrate
I C I
lmicromhoslcml
Imn/I 1
/mn/l 1 /o/ snhlr 1 nw fm"11 1 1. "11 1
Location # 3:
Date
Location # 4:
Date
Location # 5:
Date
Location # 6:
Date
Initials of Temp. Conductivity
Time Analvst ! C 1 Imicrnmhns/rml
Initials of Temp. Conductivity
Time Analvst 1 C 1 IIn cromhIds /cml
Initials of Temp. Conductivity
Time Analvst 1 C 1 lmicrnmhnslrml
Initials of Temp. Conductivity
Time Analvst ! C 1 lmicromhoslcml
TDS
DO
Nitrate
DO
Ammonia
Imn/I 1
Lana 1
do/
�nfl.r 1
TDS
DO
Nitrate
DO
Ammonia
!mn/LI
Imnll1
(%eahirI
nu Imn/ll
1�..11I
TDS
DO
Nitrate
DO
Ammonia
It
Imn/l 1
lo/
a�6lr1
MU
TDS
DO
Nitrate
DO
Ammonia
lmnll_I
Imnll 1
101.
eafnr 1
nu
/m..n I
1. "/j 1
Comments:

ace/lnalytical
www.paeelibs.com
1
December 08, 2021
JAMAL CLARK
CITY OF WINSTON SALEM
101 NORTH CHURCH ST
Winston Salem, NC 27101
RE: Project: Dry Weather Screening
Pace Project No.: 92575797
Dear JAMAL CLARK:
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
Enclosed are the analytical results for sample(s) received by the laboratory on December 06, 2021. The results relate only
to the samples included in this report. Results reported herein conform to the applicable TNIINELAC 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 - Eden
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
c�Ch'r MIP��J
Stephanie Knott
[e-mail]
704-977-0981
Project Manager
Enclosures
cc: Robert Dockery, City of Winston
Nicholas Hole
All certified laboratory data for Outfall 138 during Dry Weather Conditions
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 11

aceAnalytical
www.paceiabs.com
Project: Dry Weather Screening
Pace Project No.: 92575797
Pace Analytical Services Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
North Carolina Wastewater Certification #: 633
V rginiaNELAP Certification #: 460025
REPORT OF LABORATORY ANALYSIS
This repon shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
1377 South Park Drive
Kemersvilla, NC 27284
[phone]
Page 2 of 11

ZAnalXicalo
Ww .pacelsbc.cont
SAMPLE SUMMARY
Project: Dry Weather Screening
Pace Project No.: 92575797
Lab ID
Sample ID
Matrix
as Collected
Date Received
92575797001
Outfall at Nelson
& Devonshire
Water
12/06/21 10:50
12/06/21 11:40
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
1377 South Park Drive
Kernersville, NC 27284
[phone]
Page 3 of 11

(!Ice Analytical
www.pecelebs.com
SAMPLE ANALYTE COUNT
Pace Analytical Services, LLC
1377 South Perk Drive
Kerneraville, NC 27284
[phone]
Project: Dry Weather Screening
Pace Project No.: 92575797
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92575797001 Outfall at Nelson & Devonshire EPA 350.1 Rev 2.0 1993 AMI 1 PASI-E
SM 9222D-2015 AMI 1 PASI-E
PASI-E = Pace Analytical Services - Eden
REPORT OF LABORATORY ANALYSIS
This report shall not 6e reproduced, except in full,
out the written consent of Pace Analytical Services, LLC. Page 4 of 11

PaceAnalytical N
V
ANALYTICAL RESULTS
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
Project: Dry Weather Screening
Pace Project No.: 92575797
Sample: Outfall at Nelson &
Lab ID: 92575797001 Collected: 12/06/21
10:60
Received:
12/06/21 11:40 Matrix: Water
Devonshire
Report
Parameters
Results Units Limit
MDL
DF
Prepared
Analyzed CAS No. Qual
350.1 Ammonia EDN
Analytical Method: EPA 350.1 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Ammonia
ND mg/L 0,10
0,027
1
12107/2110:52 7664-41-7
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015
Preparation
Method:
SM 922213-2015
Pace Analytical Services - Eden
Fecal Coliforms
5200 CFU/100 mL 1.0
1.0
1
12/06/21 15:35
12/07/21 14:40
Date: 12/OB/2021 02:43 PM
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 5 of 11

aceAnalytical w
www.pacelabs.com
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
(704)977-09B1
QUALITY CONTROL DATA
Project: Dry Weather Screening
Pace Project No.: 92575797
QC Batch: 664316 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350A Rev 2.0 1993 Analysis Description: 350.1 Ammonia, EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92575797001
METHOD BLANK: 3479587
Associated Lab Samples: 92575797001
Parameter Units
Nitrogen, Ammonia mg/L
LABORATORY CONTROL SAMPLE: 3479566
Parameter Units
Nitrogen, Ammonia mg/L
Matrix: Water
Blank Reporting
Result Limit MDL Analyzed Qualifiers
NO 0,10 0.027 12/0712110:58
Spike LCS LCS % Rec
no. Result % Rec Limits Qualifiers
5 5.1 102 90-110
MATRIX SPIKE &MATRIX
SPIKE DUPLICATE: 3479569
3479590
MS
MSD
92575285002 Spike
Spike MS MSD
MS MSD % Rec Max
Parameter
Units Result Conc,
Conc. Result Result
% Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia
mg/L ND 5
5 5.1 5.1
102 102 90-110 0 10
MATRIX SPIKE &MATRIX SPIKE DUPLICATE: 3479591 3479592
MS MSD
92575850001 Spike Spike MS MSD MS MSD %Rec Max
Parameter Units Result Conc. Conc. Result Result % Rec % Rec Limits RPD RPD Qual
Nitrogen, Ammonia mg/L ND 5 5 5.1 5.1 101 102 90-110 0 10
Reaulis presentetl on Ihls peas ere In the unite intlice[etl by the "0nlis' column except where an alternate unit Is presenletl to the rlehl or the recall.
REPORT OF LABORATORY ANALYSIS
Thia report shall not be reproduced, except in full,
Date: 12/OB/2021 02:43 PM without the written consent of Pace Analytical Services, LLC,
Page 6 of 11

laceAnalyticalT
www.pacelebsxom
QUALITY CONTROL DATA
Protect: Dry Weather Screening
Pace Project No.: 92575797
QC Batch: 664180 Analysis Method: SM 9222D-2015
QC Batch Method: SM 922213-2015 Analysis Description: 9222D Fecal Coliform(MF)-EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92575797001
METHOD BLANK: 3479091
Associated Lab Samples: 92575797001
Parameter Units
Fecal Coliforms CFU/100 mL
SAMPLE DUPLICATE: 3479092
Parameter
Fecal Coliforms
Matrix: Water
Blank Reporting
Result Limit
ND 1.0
925757970D1
Units Result
CFU/100 mL 5200
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
MDL Analyzed Qualifiers
1.0 12/07/21 14:40
Dup Max
Result RPD RPD
4600 12 25
Qualif
iers
Results preeentetl on This pegs ere In the units Indlcetetl by the "Units" rolumn except where an alternate unit Is pres¢ntetl to the right ¢f the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except In full,
Date: 12/08/2021 02:43 PM without the written consent of Part Analytical Services, LLC.
Page 7 of 11

aceAnalytical
WWP8relebr.csm
QUALIFIERS
Project: Dry Weather Screening
Pace Project No.: 92575797
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-AdjustedMethod Detection Limit.
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
PQL -Practical Quantitalion 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
112-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
Method 8260, preserved to a pH of 45 is recommended In SW846 Chapter 4 for the analysis of Acrolein and Acrylonilrile by EPA
N-Nilrosodiphenylamine 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.
Date: 12/OB/2021 02:43 PM
REPORT OF LABORATORY ANALYSIS
This report shall not ba reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 8 of 11

laceAnalytical
w"'incalabs.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Dry Weather Screening
Pace Project No,: 92575797
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Lab ID
Sample ID
OC Batch Method
QC Batch
Analytical Method
92575797001
92575797001
Outfall at Nelson & Devonshire
Outfall at Nelson & Devonshire
EPA 350.1 Rev 2.0 1993
SM 9222D-2015
664316
664180
SM 9222D-2015
Date: 12/OB/2021 02:43 PM
REPORT OF LABORATORY ANALYSIS
This repon shall nol be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Analytical
Batch
664183
Page 9 of 11

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Document No.:
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*Check mark top half of box If pH and/or dechlorination is Project N
verified and within the acceptance range for preservation
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Page 11 of 11

aceAnalytical
www.pacelabs.com
March 30, 2022
JAMAL CLARK
CITY OF WINSTON SALEM
101 NORTH CHURCH ST
Winston Salem, NC 27101
RE: Project: Dry Weafher Screening
Pace Project No.: 92595673
Dear JAMAL CLARK:
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Enclosed are the analytical results for samples) received by the laboratory on March 28, 2022. The results relate only to
the samples included in this report. Results reported herein conform to the applicable TNIINELAC 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 - Eden
If you have any questions concerning this report, please feel free to contact me.
Stephanie Knott
[e-mail]
704-977-0981
Project Manager
Enclosures
cc: Robert Dockery, City of Winston
Nicholas Hole
Vicki Pigg
pC �A
i REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
4 / without the written consent of Pace Analytical Services, LLC.
9
Page 1 of 10

IZAnalytical "'
www.pacelahs.com
Project: Dry Weather Screening
Pace Project No,: 92695673
Pace Analytical Services Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
North Carolina Wastewater Certification #: 633
VlrglnlaNELAP Certification #: 460025
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
1377 South Park Drive
Karnersvllle, NC 27284
(704)97M981
Page 2 of 10

laceAnalyficalo
W".paaelebs.com
SAMPLE SUMMARY
Pre)eCt: Dry Weather Screening
Pace Project No.: 92595673
Lab ID
Sample
ID
Matrix
Date Collected
Date Received
92595673001
Nelson
and Devonshire
Water
03/28/22 12:35
03/28/22 13:00
REPORT OF LABORATORY ANALYSIS
This report shall not he reprotluced, except in full,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Page 3 of 10

aceAnalytical
www.pecelabs.com
Project: Dry Weather Screening
Pace Project No.: 92595673
Lab ID Sample ID
92595673001 Nelson and Devonshire
PAST-E =Pace Analytical Services -Eden
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
SAMPLE ANALYTE COUNT
Analytes
Method Analysts Reported Laboratory
SM 9222D-2015 AED 1 PASI-E
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC, Page 4 of 10

IZeAnalAcal e
www.pscslcbacsm
ANALYTICAL RESULTS
Pace Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
Project: Dry Weather Screening
Pace Project No.: 92595673
Sample: Nelson and Devonshire Lab ID: 92595673001 Collected: 03/28/22 12:35 Received: 03/28/22 13:00 Matrix: Water
Report
Parameters Results
Units Limit MDL
DF Prepared
Analyzed
CAS No, Qual
MBIO 9222D Fecal Coliform EDN Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms 5400 CFU/100 mL 1.0 1.0 1 03/28/22 15:57 03/29/22 16:56 D6
REPORT OF LABORATORY ANALYSIS
This repon shell not be reproduced, except in full,
Date: 03/30/2022 11:28 AM without the written consent of Pace Analytical Services, LLC. Page 5 of 10

aceAnalytical
www.pacelahs.com
Project: Dry Weather Screening
Pace Project No.: 92595673
QC Batch: 667742
QC Batch Method: SM 9222D-2015
Associated Lab Samples: 92595673001
METHOD BLANK: 3594904
Associated Lab Samples: 92595673001
Parameter Units
Fecal Coliforms CFU/100 mL
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27294
[phone]
QUALITY CONTROL DATA
Analysis Method: SM 9222D-2015
Analysis Description: 9222D Fecal Coliform( MF)-EDN
Laboratory: Pace Analytical Services - Eden
Matrix: Water
Blank Reporting
Result Limit MDL Analyzed Qualifiers
NO 1.0 1.0 03/29/2216:66
melFiuu BLANK: 3594906 Matrix: Water
Associated Lab Samples: 92595673001
Blank Reporting
Parameter Units Result Limit MDL Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 1.0 03/29/22 16:56
SAMPLt DUPLICATE: 3594905
Parameter Units
Fecal Coliforms CFU/100 mL
92595673001 Dup
Result Result RPD
5400 7400 31
Max
RPD Qualifiers
25 D6
Results presenletl on Ihls page are In the antis Intllceted by ih¢ "Units" column except where an alternate unit Ic precenletl to Iha n9h1 of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
Date: 03/30/2022 11:28 AM without the wrlaen consent of Pace Analytical Services, L-C.
Page 6 of 10

Pi
ace Analytical
IWw .paaslahsxam
QUALIFIERS
Project: Dry Weather Screening
Pace Project No.: 92595673
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 Ilmit and below the adjusted reporting limit.
MDL -Adjusted Method Detection Limit.
Pace Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
PQL -Practical Quantitetion 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 ofAcroleln and Acrylonitrile by EPA
Method 8260.
N-Nilrosodiphenylamine 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
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 03/30I2022 11:28 AM out the written consent of Pace Analytical Services, L-C, Page 7 of 10

(!Ice Analytical
www.paoelabsxom
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Dry Weather Screening
Pace Project No.: 92595673
Lab ID Sample ID
92595673001 Nelson and Devonshire
Date: 03/30/2022 11:28 AM
QC Batch Method qC Batch
SM 9222D-2015 687742
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
1377 South Park Drive
Kernersville, NC 27284
[phone]
Analytical Method
SM 9222D-2015
Analytical
Batch
687743
Page 6 of 10

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Paga 1D of 10

lace Analytical
www.pacelabs.com
April 13, 2022
JAMALCLARK
CITY OF WINSTON SALEM
101 NORTH CHURCH ST
Winston Salem, NC 27101
RE: Project: Dry Weather Screening
Pace Project No.: 92598278
Dear JAMALCLARK:
Paee Analytical services, LLC
1377 South Park D&O
Kernersvllle, NC 272e4
(704)97M951
Enclosed are the analytical results for samples) received by the laboratory on April 11, 2022. 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 - Eden
If you have any questions concerning this report, please feel free to contact me.
Stephanie Knott
[e-mail]
704-977-0981
Project Manager
Enclosures
cc: Robert Dockery, City of Winston
Nicholas Hole
Vicki Pigg
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 1 of 11

aceAnalytical
www.pacelabs.com
Project: Dry Weather Screening
Pace Project No.: 92598278
Pace Analytical Servlces Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
North Carolina Wastewater Certification #: 633
VirginiafVELAP Certification #: 460025
REPORT OF LABORATORY ANALYSIS
This report shall not be reprotluced, except in full,
without the written consent of Pace Analytical Servlces, LLC.
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27264
[phone]
Page 2 of 11

aceAnalytical
www.peceleb.asm
SAMPLE SUMMARY
Project: Dry Weather Screening
Pace Project No.: 92598278
Lab ID
Sample ID
Matrix
Date Collected
Date Received
92598278001
Nelson and Devonshire
Water
04/11/22 10:00
04/11/22 10:26
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
1377 South Park Drive
Kernersville, NC 27284
[phone]
Page 3 of 11

aceAnalytical e
www.0ecelebs.e m
Project: Dry Weather Screening
Pace Project No.: 92598278
Lab ID Sample ID
92598278001 Nelson and Devonshire
PASI-E =Pace Analytical Services -Eden
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
SAMPLE ANALYTE COUNT
Analytes
Method
Analysts
Reported
Laboratory
EPA 350.1 Rev 2.01993
AMI
1
PASI-E
SM 92221)-2015
LRB
1
PASI-E
REPORT OF LABORATORY ANALYSIS
This report shall not be reprotluced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 4 of 11

I
eAnaIXical
www.pacalabsxorn
ANALYTICAL RESULTS
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Project: Dry Weather Screening
Pace Project No.: 92598278
Sample: Nelson and Devonshire Lab ID: 92598278001 Collected: 04/11/22 10:00 Received: 04/11/22 10:26 Matrix: Water
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No, Qual
350.1 Ammonia EDN Analytical Method: EPA 350.1 Rev 2.0 1993
Pace Analytical Services - Eden
Nitrogen, Ammonia ND mg/L 0.10 0,027 1 04113/2211:43 766441-7
MBIO 9222D Fecal Coliform EDN Analytical Method: SM 9222D-2015 Preparation Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms 2600 CFU/100 mL 1.0 1.0 1 04/11/22 16:12 04/12/22 14:27
Date: 04/13/2022 05:26 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Page 5 of 11

PaceAnalytica(
www.pe[elebs.com
QUALITY CONTROL DATA
Project: Dry Weather Screening
Pace Project No.: 92598278
QC Batch: 691239 Analysis Method: EPA 350.1 Rev 2.0 1993
QC Batch Method: EPA 350.1 Rev 2,01993 Analysis Description: 350.1 Ammonia, EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92598278001
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
METHOD BLANK: 3611878
Matrix:
Water
Associated Lab Samples:
92598278001
Blank
Reporting
Parameter
Units
Result
Limit
MDL
Analyzed
Qualifiers
Nitrogen, Ammonia
mg/L
ND
0,10
0.027 04/13/2211:36
LABORATORY CONTROL
SAMPLE: 3611879
Spike
LCS
LCS
% Rae
Parameter
Units
Cone.
Result
%Rec
Limits
Qualifiers
Nitrogen, Ammonia
mg/L
5
4.6
93
90-110
MATRIX SPIKE & MATRIX
SPIKE DUPLICATE: 3611880
3611881
MS
MSD
92598597001
Spike
Spike
MS
MSD
MS MSD
% Rec
Max
Parameter
Units Result
Conc,
Conc.
Result
Result
%Rec %Rec
Limits RPD
RPD Qual
Nitrogen, Ammonia
mg/L ND
5
5 4.6
4.6
92 92
90-110 0
10
MATRIX SPIKE R MATRIX
SPIKE DUPLICATE: 3611882
3611883
MS
MOD
92598262001
Spike
Spike
MS
MSD
MS MSD
%Rec
Max
Parameter
Units Result
Conc,
Conc,
Result
Result
% Rec % Rec
Limits RPD
RPD Qual
Nitrogen, Ammonia
mg/L ND
5
5 4.7
4.7
95 95
90-110 0
10
Results presentetl on This page are In the antis Intllcatetl by the "Unllc" column except where an alternate unit Ic preeentetl to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: O4/13/2022 05:26 PM without the wdtten consent of Pace Analytical Services, LLC.
Page 6 of 11

Zl!;a'ce Analytical
Ww .pacelabstam
Project: Dry Weather Screening
Pace Project No.: 92598278
QC Batch: 690808
QC Batch Method: SM 9222D-2015
Associated Lab Samples: 92598278001
METHOD BLANK: 3609929
Associated Lab Samples: 92598278001
Parameter Units
Fecal Coliforms CFU/100 mL
METHOD BLANK: 3609931
Associated Lab Samples: 92598278001
Parameter Units
Fecal Coliforms CFU/100 mL
SAMPLE DUPLICATE: 3609930
Parameter
Fecal Coliforms
QUALITY CONTROL DATA
Analysis Method: SM 9222D-2015
Analysis Description: 9222D Fecal Coliform( MF)-EDN
Laboratory: Pace Analytical Services - Eden
Matrix: Water
Blank Reporting
Result Limit
NO 1.0
Matrix: Water
Blank Reporting
Result Limit
NO 1.0
92598278001 Dup
Units Result Result
CFU/100 mL 2600 3200
MDL Analyzed
1.0 04/12/2214:27
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
QuallFlers
MDL Analyzed Qualifiers
1.0 04/12/2214:27
Mex
RPD RPD Qualifiers
21 25
Results presented on this pe9e are In the units Intllceled by the "Ilnlls" column except where an alternate unit Is presented to the right or the result.
REPORT OF LABORATORY ANALYSIS
This repod shell not be reproduced, except in full,
Date: 04/13/2022 05:26 PM without the written consent of Pace Analytical Services, LLC.
Page 7 of 11

aceAnalytical
www.pacelebsxom
QUALIFIERS
Project: Dry Weather Screening
Pace Project No.: 92598278
DEFINITIONS
DF -Dilution Factor, if reported, represents the factor applied t0 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.
Pace Analytical services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
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.
Oate: 04/13/2022 05:26 PM
REPORT OF LABORATORY ANALYSIS
This repon shall not he reproduced, except in full,
out the written consent of Pace Analytical Services, LLC,
Page 8 of 11

JceAnalyficalo
www.pacolaba.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Dry Weather Screening
Pace Project No.: 92598278
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method
Batch
92598278001
Nelson and Devonshire
EPA 350.1 Rev 2.0 1993
691239
92598278001
Nelson and Devonshire
SM 9222D-2015
690808 SM 9222D-2015
690809
Date: 04/13/2022 05:26 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC. Page 9 o, 11

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N1
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r� v. -er uv.•• ;Here is a c.avup�nq aiecar,g r.Dr:n Laronr.a mr:ai.ance samplei, a copy of this fu•rr will Ce sent ;o the ?mr:n Crc6na Drnl4 Ce•t,Lci!:cn Ori.o: ( e
.. c` hole, '111.co«ec: prese rvJ:rvc, oct of temp, incorrect cnn[ainers.
Page 11 of 11

aceAnalj&al
www.pacala corn
May 05, 2022
JAMALCLARK
CITY OF WINSTON SALEM
101 NORTH CHURCH ST
Winston Salem, NC 27101
RE: Project: Dry Weather Screening
Pace Project No.: 92602066
Dear JAMAL CLARK:
Pece Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
Enclosed are the analytical results for samples) received by the laboratory on May 02, 2022. The results relate only to the
samples included in this report. Results reported herein conform to the applicable TNUNELAC 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 an
If you have any questions concerning this report, please If to contact me.
Stephanie Knott
[e-mail]
704-977-0981
Project Manager
Enclosures
cc: Robert Dockery, City of Winston
Nicholas Hole
Vicki Plgg
REPORT OF LABORATORY ANALYSIS
This report shall not be reproducetl, except in full,
out the written consent of Pace Analytical Services, LLC.
Page 1 of 13

aceAnalytical
Ww .pacelebs.com
Project: Dry Weather Screening
Pace Project No.: 92602055
Pace Analytical Services an
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
Norlh Carolina Wastewater Certification #: 633
UrginlaNELAP Cerilfication A 460025
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in kill,
without the written consent of Pace Analytical Services, LLC.
Pace Analytical Services, LLC
1377 South Park Drive
Kemersvllle, NC 27284
[phone]
Page 2 of 13

2eAnalyticals'
www.pecelebs.com
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
SAMPLE SUMMARY
Project: Dry Weather Screening
Pace Project No.: 92602055
Lah ID
Sample ID
Matrix
Date Collected
Date Received
92602055001
Nelson and
Devonshire
Water
05/02/22 11:00
05/02/22 12:30
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
out the written consent of Pace Analytical Services, LLC. Page 3 of 13

11!2ce Analytical
Iwww.pacalabs.com
Project: Dry Weathar Screening
Pace Project No.: 92602055
Lab ID Sample ID
92602055001 Nelson and Devonshire
PASI-E =Pace Analytical Services -Eden
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27264
[phone]
SAMPLE ANALYTE COUNT
Method
Analysts
Analytes
Reported
Laboratory
EPA 350.1 Rev 2.01993
AMI
1
PASI-E
EPA 353.2 Rev 2.01993
AMI
1
PASI-E
SM 9222D-2015
LRB
1
PASI-E
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
withDU t the wrllien consent of Pace Analytical Services, LLC, Page 4 of 13

leAnalyfical(o
www.patelabstom
ANALYTICAL RESULTS
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Project: Dry Weather Screening
Pace Project No.: 92602055
Sample: Nelson and Devonshire
Lab ID: 92602055001 Collected: 05/02/22
11:00
Received: 05/02/22 12:30
Matrix: Water
Report
Parameters
Results Units Limit
MDL
DF
Prepared Analyzed
CAS No, Qual
350.1 Ammonia EDN
Analytical Method: EPA 350.1 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Ammonia
0,12 mg/L 0,10
0.027
1
0510412210:22
766441-7
353.2 NO2W03 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
4.2 mg/L 0,040
0,029
1
05/02/22 16:54
14797-55-8
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015
Preparation
Method: SM 922213-2015
Pace Analytical Services - Eden
Fecal Coliforms
6400 CFU/100 mL 1.0
1.0
1
05/02/22 16:47 05/03/22 15:24
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: 06/05/2022 04:43 PM without the written consent of Pace Analytical Services, LLC.
Page 5 of 13

aceAnalytical
www.pacelabsxom
Project: Dry Weather Screening
Pace Project No.: 92602055
QC Batch: 695694
QC Batch Method: EPA 350A Rev 2.0 1993
Associated Lab Samples: 92602055001
QUALITY CONTROL DATA
Analysis Method: EPA 350.1 Rev 2.0 1993
Analysis Description: 350.1 Ammonia, EON
Laboratory: Pace Analytical Services - Eden
Pace Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
METHOD BLANK: 3633520
Matrix:
Water
Associated Lab Samples: 92602065001
Blank
Reporting
Parameter
Units
Result
Limit MDL
Analyzed Qualifiers
Nitrogen, Ammonia
mg/L
NO
0,10 0,027
05/04/2209:43
LABORATORY CONTROL SAMPLE:
3633521
Spike
LCS LCS
%Rec
Parameter
Units
Cone.
Result %Rec
Limits Qualifiers
Nitrogen, Ammonia
mg/L
5
5.0 101
90-110
MATRIX SPIKE &MATRIX SPIKE DUPLICATE: 3633522 3633523
MS MSD
92601660002 Spike Spike MS MSD MS MSD %Rec Max
Parameter Units Result Cone, Cone. Result Result % Rae % Rae Limits RPD RPD Qual
Nitrogen, Ammonia mg/L 0,12 5 5 5.0 5.0 98 98 90-110 0 10
MATRIX SPIKE &MATRIX SPIKE DUPLICATE: 3633524 3633525
MS MSD
92601660006 Spike Spike MS MSD MS MSD % Rae Max
Parameter Units Result Cone. Cone, Result Result % Rae % Rae Limits RPD RPD Qual
Nitrogen, Ammonia mg/L 0.15 5 5 5.1 5.1 99 99 90-110 0 10
Results presentetl on this page are In the units Indicated by the "Units" column except where an alternate unit Is presented to the rlBht of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date; 05I05/2022 04:43 PM without the written consent of Pace Analytical Services, LLC.
Page 6 of 13

laceAnalyficalo
www.pecelabs.com
QUALITY CONTROL DATA
Paco Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Project:
Dry Weather Screening
Pace Project No.:
92602055
QC Balch:
696651
Analysis Method:
EPA 353.2 Rev 2.0 1993
QC Batch Method:
EPA 353.2 Rev 2.0 1993
Analysis Description:
353.2 Nitrate + Nitrite, Unpres. EDN
Laboratory:
Pace Analytical Services - Eden
Associated Lab Samples: 92602055001
METHOD BLANK: 3632836 Matrix: Water
Associated Lab Samples: 92602065001
Blank Reporting
Parameter Units Result Limit MDL Analyzed Qualifiers
Nitrogen, Nitrate mg/L ND 0,040 0.029 05/02/22 16:51
LABORATORY CONTROL SAMPLE: 3632837
Spike
LCS
LCS
%Rec
Parameter
Units
Cone.
Result
%Rec
Limits Qualifiers
Nitrogen, Nitrate
mg/L
1.5
1.5
103
90-110
MATRIX SPIKE & MATRIX
SPIKE DUPLICATE: 3632838
3632839
MS
MSD
92602055001
Spike
Spike MS
MSD
MS MSD % Rec Max
Parameter
Units Result
Cone,
Cone, Result
Result
% Rao % Rao Limits RPD RPD Qual
Nitrogen, Nitrate
mglL 4.2
1.5
1.5 5.6
5.8
91 100 90-110 2 10
Results presentetl on this page are In the units Intlicatetl by the "IInl4" column except where an allemele unit la presentetl !o the n9ht of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except In full,
Date: 05/05/2022 04:43 PM without the written consent of Pace Analytical Services, L-C.
Page 7 of 13

aceAna1y6ca(
www.patelebr.tom
QUALITY CONTROL DATA
Project: Dry Weather Screening
Pace Project No.: 92602055
QC Batch: 695433 Analysis Method: SM 9222D-2015
QC Batch Method: SM 9222D-2015 Analysis Description: 9222D Fecal Coliform( MF)-EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92602055001
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
METHOD BLANK: 3632496 Matrix: Water
Associated Lab Samples: 92602055001
Blank Reporting
Parameter Units Result Limit MDL Analyzed Qualifiers
Fecal Coliforms CFU/100 mL NO 1.0 1.0 06/03/22 15:24
METHOD BLANK: 3632496 Matrix: Water
Associated Lab Samples: 92602055001
Blank Reporting
Parameter Units Result Limit MDL Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 1.0 05/03/22 15:24
SAMPLE DUPLICATE: 3632497
Parameter
Fecal Coliforms
92602055001 Dup Max
Units Result Result RPD RPD Qust ers
CFU/100 mL 6400 5000 25 25
Reculte pres¢ntetl on this page ere In the antic Intlleeletl by the "Ilnlle" column except where an alternate unit Ic preaenletl to the rlahl of iha reeult.
REPORT OF LABORATORY ANALYSIS
This repod shall not be reproduced, except In full,
Date: 05/05/2022 04:43 PM without the written consent of Pace Analytical Services, L-C.
Page 8 of 13

ZAnalyfica(
www.pacelabstam
QUALIFIERS
Project: Dry Weather Screening
Pace Project No.: 92602065
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,
Pace Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
PQL- Practical Quantilatlon 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 ofAcrolein 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: 05/05/2022 04:43 PM out the written consent of Pace Analytical Services, LLC. Page 9 of 13

aceAnalytical r
/ www.pacelaBsxam
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: Dry Weather Screening
Pace Project No.: 92602055
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Analytical
Lab ID
Sample
ID
QC Batch
Method
QC Batch Analytical Method
Batch
92602055001
Nelson
and
Devonshire
EPA 350.1
Rev 2.0 1993
695694
92602055001
Nelson
and
Devonshire
EPA 353,2
Rev 2.0 1993
695551
92602055001
Nelson
and
Devonshire
SM 9222D-2015
695433 SM 9222D-2015
695434
Date: 05/05/2022 04:43 PM
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
without the wdaen consent or Pace Analytical Services, LLC.
Page 10 of 13

IT
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0 Document Name: Document Revised: November 15, 2021
/,.. dC2A118lfCalSample Condition Upon Retel t (SCUR) Page 1 of 2
� Document No,: Issuing Authority:
F-CAR-CS-033-Rev,og Pace Carolinas Quality Office
Laboratory race lvlrig samples;
Asheville ❑ Eden❑ Greenwood ❑ Huntersvllle ❑ Raleigh❑ Mechanicsville❑ Atlanta❑ Kernersvillec?o�
Client Name:
Project
Courier: ❑Fed Ex ❑UPS CUSPS .%
Ilent
❑ Commercial ❑Pace ❑Other:_, W Q 6L
Custody Seal Present? Dyes Q No Seals Intact? Dyes ❑No IT
Date/Initials Person Examining Conte nts:
Packing Material: ❑Bubble Wrap ❑Bubble Bags B o e ❑ Other Biological Tissue Froz 7
Thermometer: Dyes
❑ IR Gun ID: _ -, et ❑slue ❑None ❑Na A
Correction Factor;
Cooler Temp: ' S Add/Subtract (°C) O Temp should be above freezing to 60C
Cooler Temp Corrected ('C): ❑Samples out of temp criteria. Samples on ice, cooling process
USDA Regulated Soil (qQ-N/A, water sample) has begun
Did samples originate In a quarantine zone within the United States: CA, NY, or SC (check maps)? Did samples originate from a foreign source (internationally,
nVes nNa
nouning
NaWall and Puerto RI[a)7 LJYes LJNo
fommena/Discrepant
Chain of Custody Present?
,.s,�
Lyres
ONO
N/A
1.
Samples Arrived within Hold Time?
E9<5
ONO
❑N/A
2.
Short Hold Time Analysis 02 hr.)?
ffres
ONO
N/A
3.
Rush Turn Around Time Requested?
Dyes
03AN)
N/A
A,
Sufficient Volume?
Pres
ONo
ONIA
S,
Correct Containers Used?
b es
❑No
❑N/A
6.
-Pace Containers Used?
1(]. Ves
ONO
❑N/A
Containers intact?
PVC5
ONo
N/A
7.
Dissolved analpis: Samples Field Flltered7
Yes
ONO
g.
Sample Labels Match COC?
EIVes
ONO
❑N/A
9.
-Includes Date/Time/ID/Analysis Matrix:
fleadspace In VOA Vials (>S-Gmm)?
Yes
❑No
[JN/q
10.
Trip Blank Present?
Oyes
ONO
[�/A
11,
Trip Blank Custody Seals Present?
❑Yes
ONO
Ljd1A
COMMENTS/SAMPLE DISCREPANCY Field Data Required? Oyes ❑No
LotlD ofs lit containers:
CLIENT NOTIFICATION/RE50 W TION
Person contacted:
Protect Manager SCURF Review:
Project Manager SRF Review:
Date/Time:
Date:
Date:
Page 12 of 13

FdA93-CS-C,3-Ray.C1
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samples.
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Page 13 of 13

aceAnalytical
w�.pacelaluxom
May 13, 2022
JAMALCLARK
CITY OF WINSTON SALEM
101 NORTH CHURCH ST
Winston Salem, NC 27101
RE: Project: W-S - Weather Screening
Pace Project No.: 92604159
Dear JAMAL CLARK:
Pace Analytical Services, LLC
1377 South Park Drive
Kerneravllle, NC 27284
[phone]
Enclosed are the analytical results for samples) received by the laboratory on May 12, 2022. 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 -Eden
If you have any questions concerning this report, please feel free to contact me.
Stephanie Knott
Stephan [e-mail]
704-977-0961
Project Manager
Enclosures
cc: Robert Dockery, City of Winston
Nicholas Hole
Vicki Pigg
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
out the written consent of Pace Analytical Services, LLC.
Page 1 of 12

11!2ce Analytical e
WWpacelabs.com
Project: W-S - Weather Screening
Pace Project No.: 92604159
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
Pace Analytical Services Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
North Carolina Wastewater Certificaton #: 633
VlrginiaNELAP Certification #: 460025
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
out the written consent of Pace Analytical Services, LLC. Page 2 of 12

aceAnalXical
wim.pacelobs.com
Project: W-S - Weather Screening
Pace Project No.: 92604159
Lab ID Sample ID
92604159001 Nelson and Devonshire
SAMPLE SUMMARY
Matrix Date Collected
Water 05/12/22 09:56
Date Received
05/12/22 11:57
REPORT OF LABORATORY ANALYSIS
This report shall not be reprotluced, except in full,
without the written consent of Pace Analyllcal Services, LLC.
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Page 3 of 12

aceAnalytical
un w.pecelabs.com
Pace Analytical services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
Project: W-S - Weather Screening
Pace Project No.: 92604159
Analytes
Lab ID Sample ID
Method
Analysts
Reported
Laboratory
92604159001 Nelson and Devonshire
EPA 350A Rev 2,01993
SRS
1
PASI-E
EPA 353.2 Rev 2.01993
SRS
1
PASI-E
SM 922213-2015
LRB
1
PASI-E
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 4 of 12

IceAnalyficall"I
Ww .pecele6sxom
ANALYTICAL RESULTS
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
Protect: W-S - Weather Screening
Pace Project No.: 92604159
Sample: Nelson and Devonshire Lab ID: 92604159001 Collected: 06/12/22 09:56 Received: 05/12/22 11:57 Matrix: Water
Report
Parameters Results Units Limit MDL DF Prepared Analyzed CAS No, Qual
350.1 Ammonia EDN
Analytical Method: EPA 350.1 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Ammonia
ND mg/L 0,10
0,027
1 0511212215:05 7664-41-7
353.2 NO2/1403 unpres EDN
Analytical Method: EPA 353.2 Rev 2.0
1993
Pace Analytical Services - Eden
Nitrogen, Nitrate
4.1 mg/L 0.040
0,029
1 05112/2216:16 14797-55-8
MBIO 9222D Fecal Coliform EDN
Analytical Method: SM 9222D-2015
Preparation
Method: SM 9222D-2015
Pace Analytical Services - Eden
Fecal Coliforms
8200 CFU/100 mL 1.0
1.0
1 05/12/22 15:28 05/13/22 13:56 D6
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
Date: Vol I J/2022 02:21 PM without the written consent of Para Analytical Services, I.I.C. Page 5 of 12

;aceAnalytical
www.pacelabs.com
QUALITY CONTROL DATA
Project: W-S- Weather Screening
Pace Project No.: 92604159
QC Batch: 697813 Analysis Method: EPA 350.1 Rev 2.01993
QC Batch Method: EPA 350.1 Rev 2.0 1993 Analysis Description: 350.1 Ammonia, EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92604159001
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
METHOD BLANK: 3643626
Matrix:
Water
Associated Lab Samples:
92604159001
Blank
Reporting
Parameter
Units
Result
Limit
MOIL
Analyzed
Qualifiers
Nitrogen, Ammonia
mg/L
NO
0.10
0.027 05/12/22 14:00
LABORATORY CONTROL
SAMPLE: 3643627
Spike
LCS
LCS
% Rec
Parameter
Units
Conc.
Result
% Rec
Limits
Qualifiers
Nitrogen, Ammonia
mg/L
5
4.9
99
90-110
MATRIX SPIKE & MATRIX
SPIKE DUPLICATE: 3643628
3643629
MS
MSD
92604058001
Spike
Spike
MS
MSD
MS MSD
% Rec
Max
Parameter
Units Result
Conc,
Conc,
Result
Result
% Rec % Rec
Limits RPD
RPD Qua[
Nitrogen, Ammonia
mg/L 0,16
5
5 5.2
6.2
101 101
90-110 0
10
MATRIX SPIKE & MATRIX
SPIKE DUPLICATE: 3643940
3643941
MS
MSD
92604194001
Spike
Spike
MS
MSD
MS MSD
%Rec
Max
Parameter
Units Result
Conc,
Conc,
Result
Result
% Rec % Rec
Limits RPD
RPD Qual
Nitrogen, Ammonia
mg/L NO
5
5 5.1
5.0
101 101
90-110 0
10
Results presenietl on this page are In the units Indlcaletl by the "Ilnlls" column escepl where an alternate unit Is presenletl to the riphl of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except In full,
Dale: 05/13/2022 02:21 PM without the written consent of Pace Analytical Services, L-C.
Page 6 of 12

ZAnalj4icaf�
www.pacelalnxom
QUALITY CONTROL DATA
Project: W-S - Weather Screening
Pace Project No.: 92604159
QC Batch: 697589 Analysis Method: EPA 353.2 Rev 2.0 1993
QC Batch Method: EPA 353.2 Rev 2.0 1993 Analysis Description: 353.2 Nitrate + Nitrite, Unpres, EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92604159001
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
[phone]
METHOD BLANK: 3642642
Metriz;
Water
Associated Lab Samples: 92604159001
Blank
Reporting
Parameter
Units
Result
Limit MDL
Analyzed Qualifiers
Nitrogen, Nitrate
mg/L
NO
0,040 0.029
05/12/22 08:52
LABORATORY CONTROL SAMPLE: 3642643
Spike
LCS LCS
% Rae
Parameter
Units
Cone.
Result % Rae
Limits Qualifiers
Nitrogen, Nitrate
mg/L
1.5
1.5 101
90.110
MATRIX SPIKE &MATRIX SPIKE DUPLICATE: 3642644 3642645
MS MSD
92603899001 Spike Spike MS MSD MS MSD % Rae Max
Parameter Units Result Cone. Cone. Result Result % Rae % Rae Limits RPD RPD Qua]
Nitrogen, Nitrate mg/L 1.4 1.5 1.5 2.7 2.7 86 87 90-110 0 10
MATRIX SPIKE &MATRIX SPIKE DUPLICATE: 3643945 3643946
MS MSD
92604169001 Spike Spike MS MSD MS MSD % Rae Max
Parameter Units Result Cone. Cone, Result Result % Rae % Rae Limits RPD RPD Qual
Nitrogen, Nitrate mg/L 4.1 1.5 1.5 5.4 SA 91 87 90-110 1 10
Results presented on this page are In the units Intllcal¢tl by the "Units" column except where en allernal¢ unit Is presented to the naht of the result.
REPORT OF LABORATORY ANALYSIS
This report shell not be reproduced, except in full,
Data: 05/13I2022 02:21 PM without the written consent of Pam Analytical Services, L-C.
Page 7 of 12

(!;ZeAnalytical
www.pacelahs,com
QUALITY CONTROL DATA
Project: W-S - Weather Screening
Pace Project No.: 92604169
QC Balch: 697861 Analysis Method: SM 922213-2015
QC Balch Method: SM 922213-2015 Analysis Description: 9222D Fecal Coliform( MF)-EDN
Laboratory: Pace Analytical Services - Eden
Associated Lab Samples: 92604159001
Pace Analytical Services, LLC
1377 South Park Drive
Kemersville, NC 27284
[phone]
METHOD BLANK: 3643994
Matrix:
Water
Associated Lab Samples: 92604159001
Blank
Reporting
Parameter Units
Result
Limit
MDL Analyzed Qualifiers
Fecal Coliforms CFU/100 mL
ND
1.0
1.0 05/13/22 13:56
METHOD BLANK: 3643996
Matrix:
Water
Associated Lab Samples: 92604159001
Blank
Reporting
Parameter Units
Result
Limit
MDL Analyzed Qualifiers
Fecal Coliforms CFU/100 mL
ND
1.0
1.0 05/13/22 13:56
SAMPLE DUPLICATE: 3643995
92604159001 Dup Max
Parameter Units Result Result RPD RPD Qualifiers
Fecal Coliforms CFU/100 mL 8200 10600 26 25 D6
Results presentetl on this page are In the units Intlicaletl by the "Units" column except where an alternate unit Is presentetl to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not he reproduced, except in full,
Date: 05/13/2022 02:21 PM without the written consent of Pace Analytical Services, LLC.
Page 6 of 12

;ZeAnalyfical(a
IWw .pacelabsxom
QUALIFIERS
Project: W-S - Weather Screening
Pace Project No.: 92604159
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.
Pace Analytical Services, LLC
1377 South Park Drive
Kernersvllle, NC 27284
[phone]
PQL -Practical Quantitatlon 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 45 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.
ANALYTE QUALIFIERS
D6 The precision between the sample and sample duplicate exceeded laboratory control limits.
Date: 05/13/2022 02:21 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
out the written consent of PaceAnalytical Services, L-C.
Page 9 of 12

aceAnalytical
www.pacelabs,com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Pace Analytical Services, LLC
1377 South Park Drive
Kernersville, NC 27284
t704)977-0981
Project:
Pace Project No.:
W-8 - Weather
92604159
Screening
Analytical
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method Batch
92604159001
Nelson and
Devonshire
EPA 350.1 Rev 2.0 1993
697813
92604159001
Nelson and
Devonshire
EPA 353.2 Rev 2.0 1993
697589
9260059001
Nelson and
Devonshire
SM 9222D-2015
697861 SM 9222D-2015 697862
REPORT OF LABORATORY ANALYSIS
This report shell not be reproduced, except in full,
Dale: 05/13/2022 02:21 PM without the written consent of Pace Analytical Services, LLC. Page 10 of 12

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Page 12 of 12

Stormwater Illicit Discharge Complaint Report
Reporting Entity
Name of Contact Person: Neil Uldrick
Title of Contact Person: Stormwater Civil Engineer
Phone Number(s): 336-747-9619
Date of Occurrence: 5/12/2022
Time of Occurrence: 9:50 AM
Alleged Illicit Activity Information
Business Name, if applicable: N/A
Responsible Owner's Name: N/A
Title of Responsible Person: N/A
Address: Intersection of Nelson Street and Devonshire Street
Parcel Number of Location: 6834-16-0034.000
Phone Numbers(s): N/A
Description of Complaint: Stormwater staff was alerted to an outfall pipe with dry weather
discharge on December 3, 2021, by HDR. Staff initially investigated this discharge on December 3,
2021 and found cloudy water trickling out of the outfall pipe. YSI measurements were gathered this
day. The parameters were as follows:
• Temperature: 14.7 °C
• Conductivity: 137.2 µS/cm
• Total Dissolved Solids: 111.15 mg/L
• Dissolved Oxygen: 90.0 % ; 9.14 mg/L
• pH: 6.83 S.U.
• Ammonia: 0.00 mg/L
Stormwater staff returned to the site on December 6, 2021, to confirm there was not a sewer leak on
account of the cloudy water, and smell of sewer described on the HDR investigation. YSI parameters
were gathered again this day and are as follows:
• Temperature: 15.0 °C
• Conductivity: 124.7 µS/cm
• Total Dissolved Solids: 100.10 mg/L
• Dissolved Oxygen: 56.5 % ; 5.60 mg/L
• pH: 6.62 S.U.
• Ammonia: 0.00 mg/L
Stormwater staff dyed the sewer lines that crossed this stormwater pipe on Devonshire Street, and
again at multiple locations up the hill of the outfall on Sprague Street. No dye was ever observed at
the outfall. Ammonia and fecal coliform samples were grabbed and taken for lab analysis at Pace
Stormwater, City of Winston-Salem
Suite 53, City Hall, 101 N. Main Street, Winston-Salem, NC 27101 P.O.
Box 2511, Winston-Salem, NC 27102-2511
00tgUnko ci . lty inkkcityofws.org, [phone]. Fax: Stormwater [phone]; Admin [phone]

Analytical on December 6, 2021. Ammonia was non -detectable (ND) from the outfall, and the fecal
coliforms were measured at 5200 cfu/100 mL. Winston-Salem Utilities was alerted that there may be
a sewer leak with low flow, due to no dye being found, but no leak was ever detected. The outfall
would never appear cloudy again during any site investigations. All site investigations were
conducted during dry weather.
During the investigation with Winston-Salem Utilities, Stormwater staff found a house at 530 W
Sprague Street with a dog lot and a storm drain in the back yard. There was dog feces laying on the
ground of the backyard, in and around the dog lot, that would pollute the storm sewer system in the
event of a rain event. This could be a possible source for the elevated fecal coliforms at the outfall.
This investigation was sent to the City of Winston-Salem Community Development Department due
to the poor conditions found inside the house at 530 W Sprague Street. The Community Development
Department issued the property owner a notice of violation on January 20, 2022, requesting them to
clean the dog feces from the backyard. The owner complied with the violation, cleaning up the
backyard, and the case was closed on March 3, 2022.
After this possible pollutant source was cleaned, Stormwater staff waited for a rain event to flush out
the remaining possible pollutants from the pet waste in the backyard of 530 W Sprague Street.
Another fecal coliform sample was taken to Pace Analytical on March 28, 2022 and measured to be
5400 cfu/100 mL. Since the fecal coliform level was not decreasing overtime, stormwater staff
decided to do another Pace Analytical lab analyzed grab of fecal coliforms and ammonia on April 11,
2022. Ammonia was non -detectable (ND) and fecal coliforms had decreased but were still measured
to be 2600 cfu/100 mL. On May 6, 2022, stormwater did another sample grab of ammonia, nitrate,
and fecal coliforms. Pace Analytical lab analysis found that ammonia was measured to be 0.12 mg/L,
nitrate was 4.2 mg/L, and fecal coliforms were 6400 cfu/100 L.
Action Items to be Resolved: Stormwater staff returned to the site once again on May 12, 2022. YSI
parameters were measured along with grab samples of ammonia, nitrate, and fecal coliforms. YSI
parameters are as follows:
• Temperature: 15.4 °C
• Conductivity: 718.9 µS/cm
• Total Dissolved Solids: 113.10 mg/L
• Dissolved Oxygen: 58.7 % ; 5.65 mg/L
• pH: 6.13 S.U.
• Ammonia: 0.00 mg/L
Grab samples were taken to Pace Analytical. Ammonia was non -detectable (ND), nitrate was found
to be 4.1 mg/L, and fecal coliforms were 8200 cfu/100 L. The water at the outfall was stagnant,
moving at a trickle. The water was clear, had no color, had no sheen, and had no smell. Stormwater
staff then tracked the outfall pipe upstream to storm drains on Sprague Street and found a small
trickle of water running through them. No obvious signs of an illicit discharge were found in these
drains, upstream of the outfall, to cause the elevated fecal coliform measurements found at the outfall.
The low dissolved oxygen measurements at the outfall are likely due to the stagnant water and high
Stormwater, City of Winston-Salem
Suite 53, City Hall, 101 N. Main Street, Winston-Salem, NC 27101 P.O.
Box 2511, Winston-Salem, NC 27102-2511
OCItgLinko ci . lty inkkcityofws.org, [phone]. Fax: Stormwater [phone]; Admin [phone]

fecal coliform count. Due to the consistently low ammonia measurements, which would not be
expected of a sewer leak, and yet consistently high fecal coliform counts, the cause of these
parameters is likely not a sewer leak but instead the result of sheet flow from the surrounding
neighborhood and dog lots. There are two dog lots directly adjacent to the outfall, as well as dense
housing directly uphill of the outfall along with dense housing.
Result: Illicit discharge identified and found to be pet/animal waste
Report Investigated by: Nick Hole, Jamal Clark
CSR #: N/A
Stormwater, City of Winston-Salem
Suite 53, City Hall, 101 N. Main Street, Winston-Salem, NC 27101 P.O.
Box 2511, Winston-Salem, NC 27102-2511
00tgUnko ci . lty inkkcityofws.org, [phone]. Fax: Stormwater [phone]; Admin [phone]

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