NCG080696_DMR_20200511

STORMWATER SAMPLING TIMELINE
Wednesday, April 15, 2020
10:00pm — light rain (thunderstorm)
2:15am — light rain (off and on)
3:15am — moderate rain
4:45am — light rain
5:55am — light rain
6:05am — discharge started
6:28am — sample take (tss & oil/grease)
6:33am — pH reading — 8.57 pH
Total rainfall at time of sampling = 0.5"
Sample taken by Chris Ray- Public Works Director

AZ 4'an
NCMDrN7:ems
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on f Iling out this form, please visit. h=:/jporta1.ncdenr.org/webZwQ /ws/su4npdessw#tab-4
Permit No.: N/C/—/—/—/—/—/—/—/ or Certificate of Coverage No.:
Facility Name: 'T-jn 04 e t 6J4-10 &_ Lc.Jur/i'S
County: � P. k&- Phone No. 917 ' a d
Inspector: Ch r : y P
Date of Inspection: - I r-laoaG
Time of Inspection: LA ^,1
Total Event Precipitation (inches): 5 1 b
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
rm event" or during a "measureable storm event." However,
performed during a "representative sto
ent. Please refer to these definitions, if applicable.
some permits do not have this requirem
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
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 DWQ Regional Office.
I certify th this report is accurate and complete to the best of my knowledge:
of Permittee or Des'i?gnee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. Structure (pipe, ditch, etc.)
Receiving Stream: u,,nrd i- bLJtdg o g L; Jilt VPr
Describe the industrial activities that occur within the outfall drainage area: A- k
IAr1 64_ cln._ nJ ' Sw��e und1 og-1,9✓el k
2. Color: Describe.the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: 6`,h9L • % /> —
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.):
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
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:
1 2 3 4 5
C. 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:
(1) 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes Io
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe o����kk
try'53 r\ A- r-� k\ .
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 10/25/2012

�`..:.
�..
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit. htip:/./12ortal.ncdenr.orglweb/­wq/ws./­sll/­npdessw#tab-
Permit No.: or Certificate of Coverage No.:
Facility Name: ' I ems- u 7c "Io°7 dl'obb - tJor ks �5 j " rs—
County: WA-k Phone No.
Inspector: Gh r l) 6
Date of Inspection: e -- 1 S-- do 0'0
Time of Inspection: b ` 37 Am
Total Event Precipitation (inches): -s / a
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
X1 Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
~Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
representative sto
performed during a "rm event" or during a "measureable storm event." However,
ent. Please refer to these definitions, if applicable.
some permits do not have this requirem
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
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 DWQ Regional office
Psi ture, I c tify t this report is accurate and complete to the best of my knowledge:
re of Permittee or D si ee)
Page 1 of 2
SWU-242, Last modified 10/25/2012

1. Outfall Description:
Outfall No. 6( Structure (pipe, ditch, etc.) r��� SAP l� �✓�s� 5,�� �� "/';'C' y
fi Receiving Stream: GRnn P� Ar' 6 19,y of L; )•ale i2 fP^
Describe the industrial activities that occur within the outfall drainage area: aMve
0 S Pq �t.> e ti lanr� 6ltLi.`r�� S
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: G `
3. Odor. Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.):/
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 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:
1 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:
0 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe 0,4A + n I 51)w�
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 10/25/2012

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aceAnalytical
www.pacelabs.com
April 22, 2020
Mr. Tony Rose
Town of Zebulon
450 East Horton
Zebulon, NC 27597
RE: Project: STORMWATER
Pace Project No.: 92473971
Dear Mr. Rose:
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Enclosed are the analytical results for seimple(s) received by the laboratory on April 16, 2020. 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: Jeanine Corbett, Town of Zebulon
Mary Duffy, Zebulon (Town of)
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: STORMWATER
Pace Project No.: 92473971
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Pace Analytical Services Charlotte
9800 Kincey Ave. Ste 100, Huntersville, NC 28078
Louisiana/NELAP Certification # LA170028
North Carolina Drinking Water Certification #: 37706
North Carolina Field Services Certification #: 5342
North Carolina Wastewater Certification #: 12
Pace Analytical Services Eden
205 East Meadow Road Suite A, Eden, NC 27288
North Carolina Drinking Water Certification #: 37738
CERTIFICATIONS
South Carolina Certification #: 99006001
Florida/NELAP Certification #: E87627
Kentucky UST Certification #: 84
VirginiaNELAP Certification #: 460221
North Carolina Wastewater Certification #: 633
VirginiaNELAP 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

aceAnalytical
www.pacelabs.com
Project: STORMWATER
Pace Project No.: 92473971
Lab ID Sample ID
92473971001 STORMWATER 1
92473971002 STORMWATER 2
PAST-C = Pace Analytical Services - Charlotte
PASI-E = Pace Analytical Services - Eden
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
SAMPLE ANALYTE COUNT
Analytes
Method Analysts Reported Laboratory
SM 254OD-2011 MWF 1 PASI-E
EPA 1664B JDL 1 PASI-C
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

aceAnalytical
www.patelabs.com
ANALYTICAL RESULTS
Project: STORMWATER
Pace Project No.: 92473971
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Sample: STORMWATER 1 lab ID: 92473971001 Collected: 04/15/20 06:29 Received: 04/16/20 08:20 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
2540D Total Suspended Solids Analytical Method: SM 254OD-2011
Pace Analytical Services - Eden
Total Suspended Solids 119 mg/L 17.9 1 04/17/20 11:15
Sample: STORMWATER 2 Lab ID: 92473971002 Collected: 04/15/20 06:28 Received: 04/16/20 08:20 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qua]
HEM, Oil and Grease
Oil and Grease
Date: 04/22/2020 03:30 PM
Analytical Method: EPA 1664E
Pace Analytical Services - Charlotte
ND mg/L 5.0 1
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
04/21/20 09:00
Page 4 of 11

Pace Analytical Services, LLC
aceAnalytical ®
9800 KinceyAve. Suite100
Huntersville, NC 28078078
www.patelabs.com
[phone]
QUALITY CONTROL DATA
Project: STORMWATER
Pace Project No.: 92473971
QC Batch: 536851
Analysis Method:
SM 2540D-2011
QC Batch Method: SM 254OD-2011
Analysis Description:
2540D Total Suspended Solids
Laboratory:
Pace Analytical Services - Eden
Associated Lab Samples: 92473971001
METHOD BLANK: 2863445
Matrix: Water
Associated Lab Samples: 92473971001
Blank Reporting
Parameter
Units
Result Limit
Analyzed Qualifiers
Total Suspended Solids
mg/L
ND
2.5 04/17/20 11:11
LABORATORY CONTROL SAMPLE: 2863446
Spike LCS
LCS % Rec
Parameter
Units
Conc. Result
% Rec Limits Qualifiers
Total Suspended Solids
mg/L
250 244
98 90-110
SAMPLE DUPLICATE: 2863447
92473778001 Dup
Parameter
Units
Result Result
RPD Qualifiers
Total Suspended Solids
mg/L
188
230 20
SAMPLE DUPLICATE: 2863448
92474082001 Dup
Parameter
Units
Result Result
RPD Qualifiers
Total Suspended Solids
mg/L
489
637 26 D6
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: 04/22/2020 03:30 PM without the written consent of Pace Analytical Services, LLC. Page 5 of 11

aceAnalytical
www.pacelabs.com
QUALITY CONTROL DATA
Project: STORMWATER
Pace Project No.: 92473971
QC Batch: 537320 Analysis Method: EPA 1664B
QC Batch Method: EPA 1664B Analysis Description: 1664 HEM, Oil and Grease
Laboratory: Pace Analytical Services - Charlotte
Associated Lab Samples: 92473971002
METHOD BLANK: 2865537
Associated Lab Samples: 92473971002
Parameter Units
Oil and Grease mg/L
LABORATORY CONTROL SAMPLE: 2865538
Parameter Units
Oil and Grease mg/L
Pace Analytical Services, LLC
9800 KinceyAve. Suite 100
Huntersville, NC 28078
[phone]
Matrix: Water
Blank Reporting
Result Limit Analyzed Qualifiers
ND 5.0 04/21/20 09:00
Spike LCS LCS % Rec
Conc. Result % Rec Limits Qualifiers
40 36.1 90 78-114
MATRIX SPIKE SAMPLE: 2865539
92474227003 Spike MS MS % Rec
Parameter Units Result Conc. Result % Rec Limits Qualifiers
Oil and Grease mg/L ND 40 35.0 86 78-114
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: 04/22/2020 03:30 PM without the written consent of Pace Analytical Services, LLC. Page 6 of 11

aceAnalytical
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QUALIFIERS
Project: STORMWATER
Pace Project No.: 92473971
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
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[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 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.
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: 04/22/2020 03:30 PM without the written consent of Pace Analytical Services, LLC. Page 7 of 11

aceAnalytical e
www.pacelabs.com
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: STORMWATER
Pace Project No.: 92473971
Pace Analytical Services, LLC
9800 Kincey Ave. Suite 100
Huntersville, NC 28078
[phone]
Lab ID
Sample ID
QC Batch Method
QC Batch Analytical Method
92473971001
92473971002
STORMWATER 1
STORMWATER 2
SM 2540D-2011
EPA 1664E
536851
537320
Date: 04/22/2020 03:30 PM
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced, except in full,
without the written consent of Pace Analytical Services, LLC.
Analytical
Batch
Page 8 of 11

DocumentNamt
Sample Condition Upon Re
Document No.:
Laboratory receiving samples:
Asheville D Eden[] Greenwaod ❑ Huntersville ❑ Raleigh® mechanics0le[]
sm
Client Name- Project: WO#: 92473971
TOWA
Courier: []Fed Ex []UPS OUSP5.f[
Commercial ®Pace Elmer. g2473971
Custody Seal Present? QYes fiRNo seats intact? ❑Yes (4No Ir
Aaritfals Person Examining Contents: 1 G' L'�'
te/l
Packing Material: []Bubble Wrap • (]Bubble Bags None ❑ Other Biological Tissue Frozen?
Thermometer: []Yes QNo [�N/A
❑IR 6un tD: _9�5 tjpe of ca:jWet []Blue QNane
Cooler Temp ('Cj:. Correctfon Factor: Add/Subtract ('C)
' J Temp should be above freezing to 6"C
Cooler Tamp Corrected ('C): s,1[]Sampksout oftempafteds.samples onice,coa tgprocess
has begun
USDA Regulated Sol( Q N/A, water sample)
Did samples originate in a quarantine zone within the United States: CA, NY, or SC (check maps)? Did samplesodginate from a foreign source (Internationally,
FIYes -f'INa including Hawaii and Pu-WRfco)?QYes QNo
Chain of Custody Present?
Samples Arrived within Hold Time?
Yas
)]Yes
No
OND
N/A
(]N/A
I L
I L
Short Hold Time Analysis (472 hr.)?
Yes
ONo
ONIA
3-
Rush Turn Around Time Requested?
es
EINo
NIA
4-
Sufficient Volume?
RYes
[]No
NIA
S.
Correct Containers Used?
WYes
QNo
[]NIA
6.
-Pace Containers Used? .. ..
OYes ..
❑No ._.__[IWA
',.v,
,.
Dlssolvedanalysis:samples Field Filtered?
Yes
No
NIA a
Sample Cahefs PrIatch COC?
motes
QNo
QN/A 4.
-Includes Datefrime/lo/Analos Matsbc olr
Heaclspace In VOA Vials (>5-6mm)7
• Yes
QNo
®N/A 10-
Trip Blank Present?
[JYes
[]No
PN/A 11.
Trip Blank Custody Seals Present?
Yes
No
NIA
COMMENTS/SAMPLE DISCREPANCY
Feld Data Required? QYes []No
Lot in of split containers:
CLIENT N0T1F1CATION/RES0LLrT1ON
Person contacted:
Project Manager SCURF Review. -
Project Manaeer SRR RAw1^w-
Date/lime:
Date:
natA•
Page 9 of 11

oot ument Name, Document Rawsea; MUMMY 4 Aa�u
Sample CafIiitton Rai SCUR) Pa e 1 of 2
t Arx Document No.: IssuMgAuthority-
r-caR-rs.M. "JU Pace Carolinas Quality �`ttce
*Check mark top half of box if pH andlor dechiorination is
verified and within the acceptance range for preservation
samples,
Exceptlens: VOA, Conform, Tor, Oil and Grease, 0R0/8015 (water) = LLH9
**Bottom half of box is to list number of bottle
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