NCS000201_COMPLETE FILE - HISTORICAL_20200115

is

I-- The University of North Carolina at Chapel Hill
,—NCDepartment of Environment, Health & Safely
hNVu:()NI 1ll;N l', i I20 Estes Drive Ext., CB# 1650
f II.AI:�'I I ` ti:ii 1. l l' Chapel Hill, North Carolinas 27599-1650
January 10, 2020
North Carolina Department Environmental Quality
Division ofEnergy Mineral and Land Resources RECiz ���
NPDES Stormwater Program `
ATTENTION: Central Files JAN 15 Zp2p
1617 Mail Service Center CEN7'RAL Fri S
Raleigh, NC 27699-1617 ©WR SECT
Reference: Semi-annual Monitoring Results
NPDES Stormwater Permit NCS000201
Hazardous Materials Facility
The University of North Carolina at Chapel Hill
Chapel Hill, Orange County, North Carolina
Dear Madam or Sir:
Enclosed please find one original and one copy of Forms SWU-247 and SWU-242 and
the laboratory analytical results for the December 17, 2019 stormwater sample. No
benchmark values were exceeded during this sampling event.
If you have questions or require more information, please contact me at [phone].
Sincerely,X"' Wyl--
�•
Sharon A. Myers, L. G.
Environmental Compliance Officer
cc: Ms. Catherine Brennan
Mr. Steve Parker
Mr. Mark Stark

0
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000201
FACILITY NAME UNC-CH Hazardous Materials Facility
PERSON COLLECTING SAMPLE(S) Sharon Myers
CERTIFIED LABORATORY(S) Pace Analytical Lab #ENV 375
Lab #
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR: 2019
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Orange
PHONE NO. (_919_) 962-9752
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
50050
Total
Flow (if app.)
Total
Rainfall
Non -Polar Oil
& Grease)
Total
Suspended
Solids (TSS)
pH
BOD
COD
mo/dd/ r
MG
inches
m
m
units
m
m
001
12/17/19
0.27
0.31
ND
64.8
6.74
3.5
45.7
Does this facility perform Vehicle Maintenance Activities using more than SS gallons of new ,notor oil per month? X yes _no
(if yes, compicte Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Non -Polar Oil
& Grease (if
a l.)
TPH-Oil &
Grease
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/vr
MG
inches
m
m
m
unit
al/month
001
12/17/19
0.27
0.31
ND
NA
64.8
6.74
100
Form SWU-247, last remised 222012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Date _12/17/19
Total Event Precipitation (inches): 0.31
Event Duration (hours): 12 (only if applicable — see permit.)
(if tnore than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
,'Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh. North Carolina 27699-1617
"I certify, 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,
including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
116, o
(Date)
Form SWU-247. Last revised 222012
Pape 2 of 2

STOR.'-%I«VATER DISCHARGE OUTFALL (SDO)
\MONITORING REPORT
Permit Number NCS 000201
FACILITY NAME _UNC-CH Hazardous Materials Facilitv
PERSON COLLECTING SAMPLE(S) Sharon iI'Ivers
CERTIFIED LABORATORY(S) Pace Analytical Lab #ENV 375
Lab #
Part A: Specific Monitoring Requirements
Ik
SAMPLES COLLECTED DURING CALENDAR YEAR: 2019 i
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
COUNTY Orange
PHONE NO. (_919_) 962-9752 T
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
No.
Date
Sample
Collected
50050
Total
Flow (if app.)
Total
Rainfall
Non -Polar Oil
& Grease)
Total
Suspended
Solids (TSS)
pH
BOD
COD
mo/dd/yr
MG
inches
m
mo
units
m
in
001
12/17/19
0.27
0.31
ND
64.8
6.74
3.5
45.7
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? X yes _no
(if ves. complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Non -Polar Oil
& Grease (if
a 1.)
TPH-Oil &
Grease
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/vr
MG
inches
m
m
m
unit
al/month
001
12/17/19
0,27
0.31
ND
NA
64.8
6.74
100
Form SWU-247, lust revised 2/2/1012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 12/17/19
Total Event Precipitation (inches): 0.31
Event Duration (hours): 12 (only il' applicable — see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only it'applicable — see permit.)
!•Mail Original and one copy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh. [`North Carolina 27699-1617
"I certify, tinder 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,
including the possibility of fines and imprisonment for knowing violations."
(Signature of Permittee)
116, / z0
(Date)
Form SWU-247, last revised 2/212012
Pave 2 of 2

Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance onfrlling ont thisform, please visit https://deq.ne.gov/abotit/divisions/energy-mineral-land-
resources/energy-m i neral-land-perm its/stormwater-permits/npdes-industrial-sw#tab-4
Permit No.: NICI S 1_l O / O /2 / 0 / 1 1 or Certificate of Coverage No.: NIC/GI�1�hl_I_I_I
Facility Name: UNC Hazardous Materials Facility
County: Orange
Inspector: Sharon Myers
Date of Inspection: 12/17/19
Time of Inspection: 7:40 a.m.
Total Event Precipitation (inches): 0_31
Phone No. 919-962-9752
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 72-11our storm
interval does not apply if the penmittee 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:
(Signature of Permittee or
ignee)
1. Outfall Description:
Outfall No. 001 Structure (pipe, ditch, etc.): pipe outfalling to a ditch
Receiving Stream:
Unnamed tributary to Bolin Creek
Describe the industrial activities that occur within the Outfall drainage area: hazardous materials management
Page 1 of 2
SWU-242, Last modified 07/28/2017

f . i
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: red 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:
1 2 O3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in the
stormwater discharge, where I is no solids and 5 is the surface covered with floating solids:
Q 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:
1 �2 3 4 5
7. Is there any foam in the stormwater discharge? Q Yes (D No.
8. Is there an oil sheen in the stormwater discharge? ()Yes G No.
9. Is there evidence of erosion or deposition at the outfal I? O Yes O No.
10. Other Obvious Indicators df Stormwater Pollution:
List and describe Channel immediately below outfall is eroded.
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.
SWU-242, Last modified 0712R12017
Page 2 of 2

GM M0d�
r:
fnvironmentol
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
J:'w-g tidcntce oiiftlling out thisfornt, please visit https://deci.iic.gov/abotit/divisioris/enerL'y-mineral-land-
resourccs/energy-m ineral-land -perm its/storm Water -perm itshipdes-i ndustrial-s%v#tab-4
Permit No.: NICISI_1010/2 /011 I or Certificate of Coverage No.: NICIGI_I_I_I_I_I_l
Facilitv Name: UNC Hazardous Materials Facility
County: Orange
Inspector: Sharon Myers
Date of Inspection: 12/17/19
Time of Inspection: 7:40 a.m.
'Dotal Event Precipitation (inches): 0_31
Phone No. 919-962-9752
All permits require qualitative monitoring to be performed daring a "measurablc 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 72-11our 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 Off ice.
13y this signature, I certify that this report is accurate and complete to the best ol'my knowledge:
Jk�h.'a- 0-)
(Signature of PCI-111iltee or
gnee)
I. Oulfall Description:
Outfall No. 0Q1 Structure (pipe, ditch, etc.): pipe outfalling to a ditch
Receiving Stream:
Unnamed tributary to Bolin Creek
Describe the industrial activities that occur within the outfalI drainage area: hazardous materials management
Page I oft
SWU-242, last modified ()712812017

2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: red 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 CIOudy:
1 2 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:
l 0 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:
1 0 3 4 5
7. Is there any foam in the stormwater discharge? Q Yes l] No.
8. Is there an oil sheen in the stormwater discharge? QYes G No.
9. Is there evidence of -erosion or deposition at the outfall? 0 Yes CO No.
10. Other Obvious Indicators df Stormwaler Pollution:
List and describe Channel immediately below outfall is eroded.
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 07/29/2017

It
_,�
aceAnalytical ® ANALYTICAL REPORT
rvarional Center for Tesil a rnnoverion December -2 6 , 2019
University of North Carolina -Chapel Hill
Sample Delivery Group: L1171831
Samples Received: 12/18/2019
Project Number:
Description: HMF Stormwater
Report To: Sharon Myers
1120 Estes Dr. Extension
Campus Box 165
Chapel Hill, NC 27599-1650
Entire Report Reviewed By: 4�41
Heather J Wagner
Project Manager
Results relate only to the items tested or calibrated and are reported as rounded values. This test report shall not be
reproduced, except in full, without written approval of the laboratory. Where applicable, sampling conducted by Pace ,
Analytical National is performed per guidance provided in IlVboiatory standard opgraling procedures ENV-SOP-MTJL-0067 and
ENV-50P-MTJL-0068. Where sampling conducted by the customer, results relate to the accuracy of the information provided, Y7
and as the samples are received.
ACCOUNT: PROJECT: SDG: DATEITIME: i PAGE:
University of North Carolina -Chapel Hill U171831 12/26/1910:08 I 1 of 19

TABLE OF CONTENTS ONE LAB. NATIONWIDE. V
Cp. Cover Page
1
FP
Tc: Table of Contents
2
Ss: Sample Summary
3
Cn: Case Narrative
4
Sr: Sample Results
5
3
SS
SDO-001 L1171831-01
5
4Cn
Qc: Quality Control Summary
6
Gravimetric Analysis by Method 2540 D-2011
6
rsr
Wet Chemistry by Method 1664B
7
Wet Chemistry by Method 410.4
8
r7c]
Wet Chemistry by Method 4500H+ B-2011
9
,
GI
Wet Chemistry by Method 5210 B-2011
15
Gl: Glossary of Terms
17
El
Al., Accreditntions & Locations
18
Sc: Sample Chain of Custody
19
95C
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
University of North Carolina -Chapel Hill L1171831 12/26/1910:06 2 of 19

SAMPLE SUMMARY ONE LAB NATIONWIDE, IDE, Jo
SDO-001 L1171831-01 WW
Collected by
Sharon A. Myers
Collected dateltime
1211711907:40
Received dateltime
121l8/1910:00
Method
Batch
Dilution Preparation
Analysis
Analyst
Location
dateltime
date/time
---------
- --
Gravimetric Analysis by Method 2540 D-2011
WG140OS90
1 1212111916:07
12/21/1919:27
TH
Mt. Juliet, TN
Wet Chemistry by Method 1664B
WG1402126
1 12/23/19 09:17
12/2411911:52
MBP
Mi. Juliet, TN
Wet Chemistry by Method 410.4
WG1399873
1 12119/19 20:44
12/21/19 21:47
AKA
Mt. Juliet, IN
Wet Chemistry by Method 45001-11 B-2011
WG1399307
1 12/19/19 09:13
12/19/19 09:13
EEM
Mt. Juliet, TN
Wet Chemistry by Method 5210 B-2011
WG1398495
1 12/15/1915:15
12/23/1910:37
ARM
Mt. Juliet, TN
RP
FTC
[qn
Fr
PC]
�GI
vA#
r
Sc
ACCOUNT: PROJECT: SDG: DATE7rIME: PAGE:
University of North Carolina -Chapel Hill L1171831 12/26/1910:08 3 of 19

CASE NARRATIVE ONE LAD NATIONWIDE.
All sample aliquots were received at the correct temperature, in the proper containers, with the
1Cp
appropriate preservatives, and within method specified holding times, unless qualified or notated within
tic
the report. Where applicable, all MDL (LOD) and RDL (LOO) values reported for environmental samples
have been corrected for the dilution factor used in the analysis. All Method and Batch Quality Control
are within established criteria except where addressed in this case narrative, a non-conformance form
or properly qualified within the sample results. By my digital signature below, I affirm to the best of my
F
knowledge, all problems/anomalies observed by the laboratory as having the potential to affect the
quality of the data have been identified by the laboratory, and no information or data have been
knowingly withheld that would affect the quality of the data.
0
Fr]
Fc
[Gl
Heather J Wagrer
aAl
Project Manager
FC]
ACCOUNT: PROJECT; SDG: DATErnME: PAGE:
University of North Carolina -Chapel HN L1171831 12/26/1910:08 4 of 19

SDO-0.01
SAMPLE RESULTS - 01
ONE LAB. NATIONWIDE,
Collected dateAlme: 12/17/19 07:40
L1171831
Additional Information
Result- Units
C�J
❑
Analyte
(On Site) 6.74 su
FTCpH
Gravimetric Analysis by Method 2540 ©-2011
5s
I
Result Qualifier
RDL
Dilution
Analysis
Batch
Analyte ugll
ugll
date !time
Suspended Solids 64800
10000
1
12/21/201919:27
WG1400590
Rn
Wet Chemistry by Method 1664E
Result Qualifier
RDL
Dilution
Analysis
Batch
ugll
ugll
date / time
FQAnalyte
TPH - Oil & Grease ND
5100
1
12124/201911:52
WG1402126
Wet Chemistry by Method 410.4
-
FGI
Result Qualifier
RDL
Dilution
Analysis
Batch
VAI
Analyte ug11
ugll
date 1 time
COD 45700
10000
1
12/21/2019 21:47
WG1399873
s
SC
Wet Chemistry by Method 4500Hf 8-2011
Result Qualifier
Dilution
Analysis
Batch
Analyte su
date / time
pH 6.91 T8
1
12/1912019 09:13
WG1399307
Sample Narrative:
L1171831-01 WG1399307: 6-91 at 14.7C
Wet Chemistry by Method 5210 B-2011
Result Qualifier
RDL
Dilution
Analysis
Batch
Analyte UgA
ugll
da[eliime
BOD 3500
2000
1
12123t201910:37
WG1398495
�~~~~ ACCOUNT; PROJECT: - _--_--v_---_ SDG: T DATE/TIME:PAGE:
University of North Carolina -Chapel Hill L1171831 12126A910:08 i 5 of 19

WG1400590 QUALITY CONTROL SUMMARY ONE LAB, NATIONWIDE..
Gravimetrlc Analysis by Method 2540 D-2011 L1171831-01
Method Blank (MB)
C
(MB) R3484945-1 12/21/19 19:27
MB Result MB Qualifier MB MDL MB ROL
Analyte ugll ugll ugll
El
Suspended Solids U 350 2500
FS
L1171673-02 Original Sample (OS) • Duplicate (DUP)
(OS) L1171673-02 12/21/1919:27 • (DUP) R3464945.3 12/21/19 19:27
LEI
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPDLimits
Fr]
Analyte ug11 ug11 % %
Suspended Solids 10000 12000 1 18.2 P1 5
L1171831-01 Original Sample (OS) • Duplicate (DUP) 7G1
(OS) L1171631-01 12/21119 19:27 • {DUP) R3484945-4 12/21/19 19:27
3
Al
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte ugp ugll % %
Suspended Solids 64800 66400 1 2.44 5 9
Sc
Laboratory Control Sample (LCS)
(LCS) R3484945-2 12/21/19 19:27
Spike Amount LCS Result LCS Rec. Rec. Limits LCS Qualifier
Analyte ugll ug/l % %
Suspended Solids 773000 832000 108 85.0-115
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
University of North Carolina -Chapel Hill L1171831 12l26l1910:08 6 o£19

WG1402126 QUALITY CONTROL SUMMARY ONE LAB, NATIONWIDE..
Wet Chemistry by Method 1664B L1171831-01
Method Blank (MB)
(MB) R3485644-1 12/24/19 11:52
Cp
MB Result MB Qualifier MB MDL
MB RDL
Anatyte ugn ugn
ugn
TC
TPH - Oil & Grease U 725
5000
3
Ss
Laboratory Control Sample (LCS) • Laboratory Control Sample Duplicate (LCSD)
(LCS) R3485644-2 12/24/19 11:52 • (LCSD) R3485644-3 12/24/19 11:52
Fn
Spike Amount LCS Result LCSD Result
Analyte ugll ugll ugll
LCS Rec. LCSD Rec. Rec. Limits LCS Qualifier LCSD Qualifier RPD RPD Limits
% % % % %
F
TPH - Oil & Grease 20000 16400 17900
82.0 89.5 64.0-132 8.75 34
FG1
F
9
5c
ACCOUNT:
PROJECT: SDG; DATErTIME;
PAGE:
University of North Carolina -Chapel Hill
L1171831 12f26119 10:08
7 of 19

WG1399873 QUALITY CONTROL SUMMARY ONE LAB. NATIONWIDE. .
Wet Chemistry by Method 410.4 11171831-01
Method Blank (MB)
Cp
(MB) P3484883-1 12/21719 21:44
M8 Result MB Oualifier MB MDL MB RDL
Analyte ugll ugll ugll
FC
C00 U 3000 10000
FS
L1171832-01 Original Sample (OS) - Duplicate (DUP)
(OS) L1171832-01 12/21/19 21:47 - (DUP) R3484883-3 12/21/19 21:47
Fnj
Original Result DUP Result Dilution DUP RPD DUP Qualifier
DUP RPD
Limits
5
Sr
Analyte ugll ug/I %
%
COD 449000 450000 1 0.231
20
L1171854-01 Original Sample (OS) - Duplicate (DUP)
�GI
(OS) L1171854-01 12/21/19 21:50 - (DUP) R3484883-6 12/21/19 21:50
Original Result DUP Result Dilution DUP RPD DUP Oualifier
DUP RPD
Limits
[Al
Analyte ugll ugll %
%
COD 35200 35600 1 1.20
20
FC1
Laboratory Control Sample (LCS)
(LCS) R3484883-2 12/21/19 21:46
Spike Amount LCS Result LCS Rec, Rec, Limits LCS Oualifier
Analyte ug/I ugA % %
COD
222000 225000 101 90.0-110
L1171835-01 Original Sample (OS) - Matrix Spike (MS) - Matrix Spike Duplicate (MSD)
(OS) L1171835-01 12/21/19 21:47 - (MS) R3484883-4 12/21/19 21:49 - (MSD) R3484883-5 12/2V19 21:49
Spike Amount Original Result MS Result MSD Result MS Rec, MSD Rec, Dilution Rec, Limits MS Oualifier MSD Oualifier RPD RPD Limits
Anatyte ugll ugll ugll ug/I % % % % %
COD
400000 782000 1200000 1200000 105 105 1 80.0-120 E E 0.150 20
ACCOUNT: PROJECT: SDG: DATE/TIME; PAGE:
University of North Carolina -Chapel Hi1I U171831 12/26/19 10:08 8 of 19

WG1399307 QUALITY CONTROL SUMMARY ONE LAB. NATIONWIDE.
Wet Chemistry by Method 4500H+ 6-2011 L1171831-01
L1171689-01 Original Sample (OS) • Duplicate (DUP)
Cp
(OS) L1171689-01 12/19/19 09:13 • (DUP) R3483957-2 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Ounlifier DUP RPD
Limits
F
Analyte su su %
%
PH 7.68 7.67 1 0.130
i
g
Ss
Sample Narrative:
OS: 7.68 at 15.4C
FT
DUP: 7.67 at 15AC
E
L1171689-02 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-02 12/19/19 09:13 • (DUP) R3483957-3 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
Analyte su su %
DUP Oualifier DUP RPD
Limits
%
[Gl]
pH 7.59 7.59 1 OA00
1
aAl
Sample Narrative:
OS: T59 at 15.6C
DUP: 7,59 at 15.6C
SC
r
L1171689-03 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-03 12/19/19 09:13 • (DUP) R3483957-4 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte su su % %
pH 7.42 7.42 1 0.000 1
Sample Narrative:
OS: 7.42 at 15.7C
DUP: 7.42 at 15.7C
L1171689-04 Original Sample (OS) • Duplicate (DUP)
(OS) L1171669-04 12/19/19 09:13 • (DUP) R3483957-5 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD DUP Oualifier DUP RPD
Limits
Analyte su su % %
pH 7.41 7.48 1 0.134 1
Sample Narrative:
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE;
University of North Carolina -Chapel Hill L1171831 12/2611910:08 9 of 19

WG1399307
QUALITY CONTROL SUMMARY
ONE LAB. NATIONWIDE.
Wet Chemistry by Method 4500H+ B-2011
L1171831-01
L1171689-04 Original Sample (OS) • Duplicate (DUP)
ep
(OS) L1171689-04 12/19/19 09:13 • (DUP) R3483957-5 12/19/19 09:13
Original Result OUP Result Dilution DUP RPD
DUP Oualifier
OUP RPD
Limits
Fc
Analyte su sU %
OS: 7.47 at 15.6C
DUP 7.48 at 15.6C
FS]
Fn]
L1171689-05 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-05 12/19/19 09:13 • (DUP) R3483957-6 12/19/19 09:13
s
Sr
Original Result DUP Result Dilution DUP RPD
DUP Qualifier
DUP RPDLimits
Analyte su su %
%
pH 6.85 6.26 1 0.146
1
�®
Sample Narrative:
7 GI
OS: 6.85 at 15AC
DUP: 6.86 at 15.4C
UAI
L1171689-06 Original Sample (OS) • Duplicate (DUP)
RC
(OS) L1171689-06 12/19/19 0913 • (DUP) R3483957-7 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Oualifier
DUP RPD
Limits
Analyte su su %
%
pH 7.18 7.19 1 0.139
1
Sample Narrative:
OS: 7.18 at 15.2C
DUP: 719 at 15.2C
L1171689-07 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-07 12/19/19 09:13 • (DUP) R3483957-8 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Qualifier
DUP RPO
Limits
Analyte su su %
%
pH 6.77 6.77 1 0.000
1
Sample Narrative:
OS: 6.77 at 15.2C
DUP: 6.77 at 15.2C
ACCOUNT:
PROJECT:
SDG: DATEfiIME:
PAGE:
University of North Carolina -Chapel Hill
L1171831 1212611910:08
10 of 19

WG1399307 QUALITY CONTROL SUMMARY ONE LAB. NATIONWIDE.
Wet Chemistry by Method 4500H+ B-2011 L1171831-01
L1171689-08 Original Sample (OS) • Duplicate (DUP)
1 Cp
(OS) L1171689-08 12/19/19 09:13 • (DUP) R3483957-9 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Oualifier DUP RPD
Limits
TC
Analyte su su %
%
PH 7.32 7.32 1 0.000
1
3
SS
Sample Narrative:
OS: 7.32 at 15.1C
a
Cn
DUP: 7.32 at 15C
Mr
L1171689-09 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-09 12/19/19 09:13 • (DUP) R3483957-10 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Oualiher DUP RPD
Limits
Analyte su Su %
%
GI
PH 7,03 7.03 1 0.000
1
uAl
Sample Narrative:
OS: 7.03 at 15C
DUP: 7.03 at 15C
FSC
L1171689-10 Original Sample (OS) • Duplicate (DUP)
(OS) L1171689-10 12/19/19 09:13 • (DUP) R3483957-11 12/19/19 09:13
Original ResuR DUP Result Dilution DUP RPD DUP Oualifer DUP RPD
Limits
Anatyte su su % %
PH 6.86 6.87 1 0.146 1
Sample Narrative:
OS: 6.86 at 15.6C
DUP: 6.87 at 15.6C
L1171829-01 Original Sample (OS) • Duplicate (DUP)
(OS) L1171829-01 12/19/19 09:13 • (DUP) R3483957-12 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD OUP Qualifier DUP RPD
Limits
Analyte SU su % %
pH 7.27 7.28 1 0.137 1
Sample Narrative:
ACCOUNT: PROJECT: SDG: DATEITIME: PAGE:
University or North Carolina -Chapel Hill L1171831 12/26119 10:08 1i of 19

WG1399307
QUALITY CONTROL SUMMARY
ONE LAB. NATIONWIDE. .
Wet Chemistry by Method 4500H+ B-2011
L1171831-01
L1171829-01 Original Sample (OS) • Duplicate (DUP)
Cp
(OS) L1171829-01 12/19/19 09:13 • (DUPI P3483957-12 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Qualifier DUP RPD
Limits
F
Aralyte su su %
%
OS- 7.27 at 14_9C
a
DUP: 7.28 at 14.8C
S5
El
L1171831-01 Original Sample (OS) • Duplicate (DUP)
(05) L1171831-01 12/19/19 09:13 • (DUP) R3483957-13 12/19/19 09:13
E
Original Result DUP Result Dilution DUPRPD
DUP Qualifier DUP RPD
Limits
Ar lyte su Su %
%
PH 6.91 6.91 1 0.000
1
Sample Narrative:
7G1
CS: 6.91 at 14.7C
DUP: 6.91 at 14.8C
aA l
L1171844-01 Original Sample (OS) • Duplicate (DUP)
9Sc
(OS) L1171844-01 12/19/19 09713 • (DUP) R3483957-14 12/19/19 0913
Original Result DUP Result Dilution DUP RPD OUP Qualifier DUP RPD
Limits
Analyte su su % %
PH 6-73 6.73 1 0.000 1
Sample Narrative:
05: 6.73 at 14.9C
DUP: 6.73 at 14.7C
L1171847-01 Original Sample (OS) • Duplicate (DUP)
(OS) L1171847-01 12/19/19 09:13 • (DUP) R3483957-15 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte su su % %
PH 9.65 9.65 1 0 D00 1
Sample Narrative:
OS: 9.65 at 14.8C
DUP: 9.65 at 14.8C
ACCOUNT; PROJECT: SDG:
University of North Carollra-Chapel Hill L1171831
DATE/TIME:
12r26A9 10:08
PAGE:
12 of 19

WG1399307
QUALITY CONTROL SUMMARY
ONE LAB. NATIONWIDE,
Wet Chemistry by Method 4500H+ B-2011
L1171831-01
L1171848-01 Original Sample (OS) - Duplicate (DUP)
�p
(OS} L1171848-01 12/19/19 09:13 - (DUP) R3483957-16 12/19/19 09:13
F
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte Su Su %
%
PH 6.47 6.47 1 0.000
1
3
SS
Sample Narrative:
OS' 6,47 at 14.8C
a
Cn
DUP: 6.47 at 14.6C
5Sr
L1171870-01 Original Sample (OS) - Duplicate (DUP)
(OS) L1171870-01 12/19/19 09:13 - (DUP) R3483957-17 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Oualifier
DUP RPD
Limits
7G1
Analyte stt su %
%
PH 4.11 4.11 1 0.000
1
CAI
Sample Narrative:
OS: 4.11 at 10.1C
9
DUP: 4.11 at 10C�
L1171870-02 Original Sample (OS) - Duplicate (DUP)
(OS) L1171870-02 12/19/19 09:13 - (DUP) R3483957-18 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Qualifier
DUP RPD
Limits
Analyte su Su %
%
PH 4.02 4.02 1 0.000
1
Sample Narrative:
OS: 4.02 at 9,4C
DUP: 4M at 9.5C
L1171870-03 Original Sample (OS) - Duplicate (DUP)
(OS) L1171670-03 12/19/19 09:13 • (DUP) R3483957-19 12/19/19 09:13
Original Result DUP Result Dilution DUP RPD
DUP Qualifier
DUP RPD
Limits
Analyte su su %
%
PH 5.38 5.38 1 0.000
1
Sample Narrative:
ACCOUNT:
PROJECT:
SDG:
DATEMME: PAGE:
University of North Carolina -Chapel Hll
L1171831
12/26/1910:08 13 of 19

WG1399307 QUALITY CONTROL SUMMARY ONE LAB.NAVONWIDE.
Wet Chemistry by Method 4500H+ B-2011 L1171831-01
L1171870-03 Original Sample (OS) • Duplicate (DUP)
Cp
(05) L1171870-03 12/19/19 09:13 • (DUP) R3483957-19 12/19/19 09:13
`) C
Original Result DUP Result Dilution DUP RPD DUP Duafifier DUP RPD
Limits
Analyte su Su %
%
OS: 5.38 at 9.5C
s
DUP: 5.38 at 10C
55
L117187O-04 Original Sample (OS) • Duplicate (DUP) •
4Cn
(OS) L1171870-04 12/19119 09:13 • (DUP) R3483957-20 12/19/19 09:13
s
Sr
Original Result DUP Result Dilution DUP RPD DUP Qualifier
DUP RPDLimits
Analyte su su %
%®
pH 4.97 4.97 1 0.000
1
Sample Narrative;
7GI
OS: 4.97 at 10.3C
DUP: 4.97 at 10.4C
3AI
Laboratory Control Sample (LCS)
9Sc
(LCS) R3483957-1 12/19/19 09:13
Spike Amount LCS Result LCS Rec. Rec. Limits LCS Qualifier
Analyte su Su % %
pH 10.0 10.0 100 99.0-101
Sample Narrative:
LCS: 10.04 at 14.7C
ACCOUNT: PROJECT:
SDG:
DATE/TIME: PAGE;
University of North Carolina -Chapel Hill
L1171831
12/2611910:08 14•of 19

WG1398495 QUALITY CONTROL SUMMARY ONE LAB. NATIONWIDE.
Wet Chemistry by Method 5210 B-2011 L1171831-01
Method Blank (MB)
E
(MB) R3485215-1 12/23/19 11:30
MB Result MB Otialifier MB MDL MB RDL
Analyte ugll Ug11 u911
TC
SOD U 200 200
FSS
L1171658-01 Original Sample (OS) • Duplicate (DUP)
(OS) L1171658-01 12/23/19 09:07 • (DUP) R3485215-6 12/23/19 09:08
FC
Original Result DUP Result Dilution DUP RPD
DUP Oualifier
DUP RPD
Limits
5
Sr
Analyze ugll ugll %
%
SOD ND 0.000 1 0
30
L1171752-02 Original Sample (OS) • Duplicate (DUP)
FGI
(05) L1171752-02 12/23/19 10:00 • (DUP) P3485215-7 12/23/19 10:02
AI
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyte ug1l ugll %
%
SOD ND 0.000 1 0
30
s
SC
L1171823-01 Original Sample (OS) • Duplicate (DUP)
(05) L1171823-01 12/23/19 10:20 • (DUP) R3485215-8 12/23/19 10:33
Original Result DUP Result Dilution DUP RPD
DUP Qualifier
DUP RPD
Limits
Analyte ug11 ugll %
%
BOO 3500 4100 1 16
30
L1171843-01 Original Sample (OS) • Duplicate (DUP)
(OS) L1171843-01 12l23119 10:48 • (DUP) R3485215-9 12/23/19 10:49
Original Result DUP Result Dilution OUP RPD
DUP Oualifier
DUP RPD
Limits
Analyte ugll ugll %
%
SOD 11500 10000 1 14
30
ACCOUNT: PROJECT: SDG: DATE/TIME: PAGE:
University of North Carolina -Chapel Hfll L1171831 12/2611910:08 15 of 19

WG1398495
QUALITY CONTROL SUMMARY
ONE LAB. NATIONWIDE.
Wet Chemistry by Method 5210 B-2011
L1171831-01
-
L1171846-02 Original Sample (OS) • Duplicate (DUP)
' Cp
(OS) L1171846-02 12/23/19 10:54 • (DUP) R3485215-10 12/23/11310:55
F
Original Result DUP Result Dilution DUP RPD DUP Qualifier DUP RPD
Limits
Analyze ugll ugll
%
%
BOD ND 0.000
1 0
30
I -SS]
Laboratory Control Sample (LCS)
FCn]
(LCS) R3485215-2 12/23/19 08:55
Spike Amount LCS Result
LCS Rec.
Rec. Limits
LCS Qualifier
s
Sr
Analyte ugll ugll
%
%
B00 198000 211000
106
84.6-115
Laboratory Control Sample (LCS)
FG1]
(LCS) R3485215-3 12/23/19 10:04
aAl
Spike Amount LCS Result LCS Rec. Rec. Limits LCS Qualifier
Analyte ugll ugll
%
%
BOD 198000 204000
103
84.6-115
r—SC
Laboratory Control Sample (LCS)
(LCS) R3485215-4 12123/1911:03
Spike Amount LCS Result
LCS Rec.
Rec. Limits
LCS Qualifier
Analyte ug/1 ugll
%
%
B00 198000 210000
106
84.6-115
Laboratory Control Sample (LCS)
(LCS) R3485215-5 12/23/19 11:28
Spike Amount
LCS Result LCS Rec. Rec Limits LCS Oualifier
Analyte ugll
ugh % %
BOD 198000
209000 106 34.6-115
ACCOUNT: PROJECT: SDG: DATE(r1ME: PAGE:
University of North Carolina -Chapel Full L1171931 12126/19 10:08 16 of 19

r GLOSSARY OF TERMS ONE Las. gATIONwIDE.
Guide to Reading and Understanding Your Laboratory Report
The information below is designed to better explain the various terms used in your report of analytical results from the Laboratory. This is not
intended as a comprehensive explanation, and if you have additional questions please contact your project representative.
Results Disclaimer - Information
that may be provided by the customer, and contained within this report, include Permit Limits, Project Name,
RC
Sample ID, Sample Matrix,
Sample Preservation, Field Blanks, Field Spikes, Field Duplicates, On -Site Data, Sampling Collection Dates/Times, and
Sampling Location. Results relate to the accuracy of this information provided, and as the samples are received.
Abbreviations and Definitions
Fs
MDL
ND
Method Detection Limit.
Not detected at the Reporting Limit (or MDL where applicable). I
4Cn
RDL
Reported Detection Limit.
Red.
Recovery.
SSr
RPD
Relative Percent Difference,
SDG
U
Sample Delivery Group.
Not detected at the Reporting Limit (or MDL where applicable).
17]
The name of the particular compound or analysis performed. Some Analyses and Methods will have multiple analytes
Analyte
reported. I
If the sample matrix contains an interfering material, the sample preparation volume or weight values differ from the
M
Dilution
stardard, or if concentrations of analytes in the sample are higher than the highest limit of concentration that the
laboratory can accurately report, the sample may be diluted for analysis. If a value different than 1 is used in this field,'the
result reported has already been corrected for this factor.
VAI
These are the target 90 recovery ranges or % difference value that the laboratory has historically determined as normal
Limits
for the method and analyte being reported_ Successful CSC Sample analysis will target all analytes recovered or I
duplicated within these ranges. I
Original Sample
The non -spiked sample in the prep batch used to determine the Relative Percent Difference (RPD) from a quality control
F
sample. The Original Sample may not be included within the reported SDG.
This column provides a letter and/or number designation that corresponds to additional information concerning the result
Qualifier
reported. If a Qualifier is present, a definition per Qualifier is provided within the Glossary and Definitions page and
potentially a discussion of possible implications of the Qualifier in the Case Narrative if applicable.
The actual analytical final result (corrected for any sample specific characteristics) reported for your sample. If there was
no measurable result returned for a specific analyte, the result in this column may state "ND" (Not Detected) or "BDL"
Result
(Below Detectable Levels). The information in the results column should always be accompanied by either an MDL
(Method Detection Limit) or RDL (Reporting Detection Limit) that defines the lowest value that the laboratory could detect
or report for this analyte.
Uncertainty
(Radiochemistry)
Confidence level of 2 sigma.
A brief discussion about the included sample results, including a discussion of any non -conformances to protocol
Case Narrative (Cn)
observed either at sample receipt by the laboratory from the field or during the analytical process. If present, there will
be a section in the Case Narrative to discuss the meaning of any data qualifiers used in the report.
Quality Control
This section of the report Includes the results of the laboratory quality control analyses required by procedure or
Summary (Qc)
analytical methods to assist in evaluating the validity of the results reported for your samples. These analyses are not
being performed on your samples typically, but on laboratory generated material,
This is the document created in the field when your samples were initially collected. This is used to verify the time and
Sample Chain of
date of collection, the person collecting the samples, and the analyses that the laboratory is requested to perform. This
Custody (Sc)
chain of custody also documents all persons (excluding commercial shippers) that have had control or possession of the
samples from the time of collection until delivery to the laboratory for analysis.
This section of your report will provide the results of all testing performed on your samples. These results are provided
Sample Results (Sr)
by sample ID and are separated by the analyses performed on each sample. The header line of each analysis section for
each sample will provide the name and method number for the analysis reported.
I
Sample Summary (Ss)
This section of the Analytical Report defines the specific analyses performed for each sample ID, including the dates and
times of preparation and/or analysis.
Qualifier
Description
E
The analyte concentration exceeds the upper limit of the calibration range of the instrument established by the initial
calibration (ICAL).
i
RPD value not applicable for sample concentrations less than 5 times the reporting limit.
T8
Sample(s) received past/too close to holding time expiration.
ACCOUNT: PROJECT: 5DG: DATEITIME; PAGE:
University of North Carolina -Chapel Mill L1171831 12/26/1910:08 17 of 19

I
ACCREDITATIONS
& LOCATIONS
ONE �AB. NATIONWIDE.
Pace National is the only environmental laboratory accreditedlcertifled to support your work nationwide
from one location. One phone call, one point of contact, one laboratory. No other lab is as
accessible or prepared to handle your needs throughout the country. Our capacity and capability from our
single iocatlon laboratory Is comparable to the collective
totals of the network
laboratories In our industry. The most significant benefit to our one location design Is the design of our laboratory
campus. The model Is conducive to accelerated productivity,
decreasing
turn -around time, and preventing cross contamination, thus protecting sample Integrity. Our focus on premium
quality and prompt service alloys us to be, YOUR LAB OF CHOICE.
Not all certifications held by the laboratory are applicable to the results reported In the attached report.
Accreditation is only applicable to the test methods specified on each scope of accreditation held by Pace Nat anal,
nc
State Accreditations
Alabama 40660
-
Nebraska
NE-OS-15-05 -----
3
SS
Alaska _- 17-026
Nevada
TN-03-2002-34 m
Aritani
Arkansas 88 0469
88-046
New Hampshire
New Jersey-NELAP
2975
TN002
C n
California 2932
New Mexico'
n!a
ColoradoTND0003
New York
11742
Env375
Sr
Connecticut. TT PH-0197-
North Carolina_
FloridaE87487
North Carolina'
DW21704
mm
Georgia -- - - NELAP - - - -
Georgia''- - 923
- - _
North Carolina
_-
41
R-140
FC1
North Dakota
Idaho TN00003
Ohio-VAP
CL0069
Illinois 0
Oklahoma
TN2
TN200002
FG
Indiana C-TN-01
C-TN
Oregon
Iowa 364
- - - - --- -
Pennsylvania
68-02979 — --_-
Kansas _ E-10277
Kentucky's 90010..-_--
Rhode Island
LA000356 _
84004
South Carolina
Kentucky' 16
South Dakota
nla
Louisiana A136792
Tennessee"
2U0fi
T104704245-18-15
F
Louisiana'LA180010-
Texas
Maine - - -� -- ^^ TN_0002 - _ - -- _-
--
Texas'
LAB0152_
Maryland _ _ 324 _ _
v - - - -
Utah
—_
TNO0003
— - -
Massachusetts M-TNO03� _
�-�---�-- � - --
Vermont
� —
VT2006
_ Michigan 9958
Virginia
460132_-
Minnesota _ _ _ _ '_ 047.999-395_ _ _ _ _ _
Washington
C847
Mlssisslppl TN00003
West V4glnla
233
Missouri 340
Wisconsin _
9980939910
Montana CERT0086
Wyoming
A2LA
Third Party Federal Accreditations
A2LA-ISO_17025 1461.01
AIHA-LAP,LLCEMLAP
100789
A2LA-1-Fi-5' - �1461,D2 _._ -
--- ------ - -- - - - ---
_
-DOD_
-USDA
1461.01 -
-v
CaLA-
61.01
_ 1461,01
_
0234
P330-15-40234
EPA -Crypts T
G00
' Drinking Water � Underground Storage Tanks s Aquatic Toxicity 'Chemical/Microbiological 'Mold
`Wastewater nla Accreditatlon not applicable
Our Locations
Pace National has sixty-four client support [enlers that provide sample pickup andlor the delivery of sampling supplies. If you would like assistance from one of our support offices, please contact
our main office. Pace National performs all testing at our central laboratory.
WA
7
MT
OR
T ID
vvY
T
NV
UT
CA
T
� TAZ
T CO
NM
4 All
p iQ 0
�e HI 5 l
ND
SD
NE
KS
MN
T Wr NY
MI T
IA T PA
i4 IT+ OH
T VAT
MO KY
rM
N T
AR
MS AL GA
FL
ME
ACCOUNT:
Universlty of North Carolina -Chapel Hill
PROJECT: SDG: DATEMME: PAGE:
L1171831 12126/1910:OB S 18 Of 19

Billing Informatian:
Analysis
/
Container
/ Preservative
:haln of custody Page _ of T
University of North Carolina -Chapel
7-
Accounts Payable Pres
_
Hill
1120 Estes Dr. Extension Chk
CI? IC�1
Campus Box 165
-
1120 Estes Dr. Extension
Chapel Hill, NC 27599-1650
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12365 Ltban,on ad
Report to:
Email To: [e-mail] edu
Sharon Myers
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Phone: 515.75E-SBS!
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Flow Other
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rise -t scd +-x 4
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