NCS000508_MONITORING INFO_20190115

S2 D
STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
N GS cv'o �v
DOC TYPE
❑FINAL PERMIT
4 MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
n I I S
YYYYMMDD

To: North Carolina Department of Environmental Quality
Division of Energy Mineral and Land Resources
(original Attn: Central Files
& 1 copy) 1617 Mail Service Center
Raleigh, NC 27699-1617
Discharge Monitoring Report
Facility Name: Piedmont Triad International Airport _ Permit: NCS000508
County: Guilford Phone: [phone]
Person Collecting Sample: S. J. Lineback: Pilot Environmental, Inc. [phone]
Certified Laboratory(s):
Research and Analytical
Laboratories, Inc.
Lab #: 34
Lab #:
Date of Sample Collection:
December 14 2018
Schedule (NPDES 2):
Season 9
(year)
Period -
(quarter)
q` i
Event 4
(deicing)
�'CE ! V
TierTwo -
(month)
ADF Applied (if applicable):
200 gallons on December 14, 2018
230 gallons on December
13, 2018
C'\NR
90 gallons on November 12, 2018
165 gallons on December 11 2018
Total Event Precipitation: 0.48 inches on December 14, 2018
0.00 inches on December 13, 2018
0.00 inches on December 12, 2018
- 0.00 inches on December 11-20.18
Routine, Deicing Event, and/or Tier Two Analytical Monitoring Results Attached
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: Date: / — 10 — r
https,llprojects,mbakercorp.com/PriA/Li,5tsIDMRsIA/litems.aspx

'94,OPTI
PIS -I VCt:i INIAI1 IN If RN AT ICNAL :.I4t'Cul
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
NPDES Permit: NCS000508
Page 1 of 2
Lineback
Investigator: 336.70$.4655
forguidance on completing this - ,n
portion ofthisform, visit u, ;
Quantitative Data to be collected
1 ff
c
htt,�//nor_toincdenr.owsfwW N a G
during Routine (P) and Deicing
Date: i �( i `� f
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By this signature, I certify that this report is accurate and complete to the best of my knowledge: �/

RESEARCh & ANAIyTiCAt
C3 C� LA O RATO R i E5, INC.
For: Pilot Environmental
PO Box 128
Kernersville, NC 27285
Attn: BJ Lineback
Report of Analysis
1 /2/2019
4{1fI111110"0
Cn
s r7� NC 434 Z. -
NC037701
Client Sample ID: SDO 004 Lab Sample ID: 60432-01
Site: Pilot Environmental Collection Date: 12/14/2018 15:47
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0A FK 12121/2018
BOD-5 SM 5210 B-2001 32.6 mg/L 2 HW 12/16/2018 1449
COD EPA 410.4 81 mg1L 5 HW 12/20/2018
Client Sample ID: SDO 16A Lab Sample ID: 60432-02
Site: Pilot Environmental Collection Date: 12/14/2018 14:33
Parameter Method Result Units Rep Limit Analyst Analysis Date[Time
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0.1 - FK 12/21/2018
BOD-5 SM 5210 B-2001 20,6 mg/L 2 HW 12/16/2018 1449
Sod analyzed out of hold time due to a laboratory error.
COD EPA 410.4 41 mg/L 5 HW 12/20/2018
Client Sample ID: SDO 024 Lab Sample 1D: 60432-03
Site: Pilot Environmental Collection Date: 12114/2018 14:57
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 0.105 mg/L 0.1 FK 12/21/2018
BOD-5 SM 5210 B-2001 130 mg/L 2 HW 12/16/2018 1431
COD EPA 410.4 706 mg/L 5 HW 12/20/2018
Client Sample ID: SDO 026 Lab Sample ID: 60432-04
Site: Pilot Environmental Collection Date: 12114/2018 15:10
Parameter Method Result Units Rep Limit Analyst Analysis DaterTime
' I
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg1L 0.1 FK 12121/2018
P.O. Sox 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
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0(ESEARCh & ANA1YTiCAI
LA O RATOIRi E5, INC.
Report of Analysis
1 /2/2019
Client Sample ID:
Lab Sample ID:
Site:
Collection Date: 15:10
Parameter
Method
Result
Units
Rep Limit Analyst Analysis Daterrime
BOD-5
SM 5210 B-2001
2.68
mg/L
2 HW 12M612018 1431
COD
EPA 410.4
<5
mg/L
5 HW 12120/2018
Client Sample ID:
SDO 027
Lab Sample ID: 60432-05
Site:
Pilot Environmental
Collection Date: 12/14/2018 15:21
Parameter
Method
Result
Units
Rep Limit Analyst Analysis DatetTime
Ammonia Nitrogen
SM 4500 NH3 D-1997
<0.1
mg/L
0.1 FK 12/21/2018
BOD-5
SM 5210 B-2001
<2
mg/L
2 HW 12/1612018 1431
COD
EPA 410.4
<5
mg/L
5 HW 12/2012018
Client Sample ID:
SDO 030
Lab Sample ID: 60432-06
Site:
Pilot Environmental
Collection Date: 12114/2018 15:30
Parameter
Method
Result
Units
Rep_Limit Analyst Analysis Date/Time
Ammonia Nitrogen
SM 4500 NH3 D-1997
<0.1
mg/L
0.1 FK 12/2112018
800-5
SM 5210 B-2001
<2
mg/L
2 HW 12/16/2018 1431
COD
EPA 410.4
<5
mg/L
5 HW 12/20/2018
Client Sample ID:
Site:
SDO 033
Pilot Environmental
Lab Sample 1D: 60432-07
Collection Date: 12/14/2018 16:05
Parameter
Method
Result
Units
Rep Limit Analyst Analysis DatetTime
Ammonia Nitrogen
SM 4500 NH3 D-1997
<0.1
mg/L
0.1 FK 12/2112018
BOD-5
SM 5210 B-2001
152
mg/L
2 HW 12/16/2018 1449
COD
EPA 410.4
232
mg/L
5 HW 1212012018
NA = nol analyzed
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel; 336-996.2841 Fax: [phone] www.randalabs.com _ Page 2
ral cod I)n<r v'ld

RESEARCIi & ANAtyTICAl
i 4 LAbORATORiES, INC. N 0 AM
Anoly"Cal/Process Consultations
December 28, 2018
Pilot Environmental, Inc.
P.O. Box 128
Kernersville, NC 27285
Attention: B.J. Lineback
Project Name: NCS000508 Discbar a Monitoring (Y9P-E4T )
1• EPA Method 8015
Quantitation
SDO 004
SDO16A
SDO024
SDO026
SDO027
SDO030
SDO033
Limit
Results
Results
Results
Results
Results
Results
Results
Parameter
(mgfL)
(mgQ
(mP L)
(me/L)
(mzfL)
(mPfL)
(mF—/Q
(MPJL)
Ethylene Glycol
10.0
BQL
BQL
113
BQL
BQL
BQL
25.6
Propylene Glycol
10.0
BQL
BQL
284
BQL
BQL
BQL
25.4
Sample Number:
60432-01
60432-02
60432-03
60432-04
60432-05
60432-06
60432-07
Sample Collected Date:
12/14/18
12/I4/18
12/14/18
12/14/18
12/14/18
12/14/18
12/14/18
Sample Collected Time (Hrs):
1547
1433
1457
1510
1521
1530
1605
mg/L = milligrams per Liter = parts per million (ppm) BQL = Below Quantitation Limit

RESEARCh & ANA[yTICA1
1_60RATORIESr INC.
Analytical / Process Consultations
ph.'!.e 12ae� oec_yOAi
CHAIN OF CUSTODY RECORD
Water / Wastewater
Mist
Company
Job No.
Pilot Environmental, Inc.
(PTAA PO#0114-1)
-.
Street Address
Project
PO Box 128
NC5000508 Discharge Monitoring (YWAT-)
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City, Stale, ZiI)
Sampler Name (Please Print)
Kernersville, NC 27285
B.S. Lineback 336.708.4655
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Rc ei13y
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DateMirne
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Deicing Event (4 b/w Oct -Apr) Analytical Monitoring.
Please 4st results to https://projectsio- ak rrcorp_corn PTIA/lists(Lah9520Results/Allltems.aspx
n ice
Somple Temperature at receipt °C

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date
12/16/18
Facility Piedmont Triad Airport Authority NPDES#NC S000508 Pipc# SDO 004 County Guilford
Laboratory Performing Test Research & Analytical Laboratorics, Inc. Comments: A Pilot Environmental Project
X Stormtvaier Effluent
Signa e o c r in Responsible Charge RAL #60432-01
X
Sig4atu;6'ol'l'1boratory Supervisor
MAIL ORIGINAL TO: Dity� Of Water Quality ronmental Sciences rare
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriaelaphnia Chronic Pass/Fail Reproduction Toxicit city Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D)cad
i:tiluent%
TREATMLNI' 2 ORGANISMS
# Young Produced
Adult (L) ive (1))cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1 st sam le
s
t C
a n
r d
t
1 st sam le
s
1 e
a n
r d
t
2nd sam le
5
1 C
a n
r d
t
Ist sample Ist sample 2nd sample
Control
U.O.
'1'reatmcnt 2
I.C50/Acute'I'oxicity "best
(Mortality expressed m %, combining replicates)
Complete This For Eithcr Test
Tcst Start Date
12 /
15 /
N
Collection (Start) Date
Sample 1 12/14/18 Sample
Sample Type/Duration
rJ
Grate Comp. Duration
h
H
C
X
0 % 6.25 % 12.5 % 25 % 50 % loll % % % % %
0 % 0 % 1 0 % 0 % 0 % 0 % °o % % %
LC50 = >100% % Method or Determination
.........................................
95%Confidence Limits Moving Average Probit
%- % Spearman Karbcr Other X
Organ ism'1'eMed Ceriodaphnia duhia Durmion (hrs) 24
Copy DWQ form A'I'4 (3/87) rev. l I195
Concentration
LC50 = >100% % Method or Determination
.........................................
95%Confidence Limits Moving Average Probit
%- % Spearman Karbcr Other X
Organ ism'1'eMed Ceriodaphnia duhia Durmion (hrs) 24
Copy DWQ form A'I'4 (3/87) rev. l I195
Concentration
Mortality
Now Please
Cnm pletc This
Scctinn Alsu
Stud/end
Start/cnd
6.93
6.99
Control
8.6
8.4
7.43
7.40
D[igh
8.5
8.3
ptl
Conc. D.U.

Facility
Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
I'iedmont'rriad Airport Authority NPDGSNNC
S000508
Date 12/ 16/ 18
Pipep SD016A County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc, Comments: A Pilot Environmental Project
X Stormwatcr F.fIlluent
Signatu of Op r ' esponsible Charge RAL 860432-02
X
Sigr6tdrc at L bo tory Supervisor
MAIL ORIGINAL TO: Div. Of Water Quality Sciences Branch
N.C. DEN R
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity Tcst
CONTROL ORGANISMS l 2 3 4 5 6 7 8 9 t0 11 12
0 Young Produced
Adult (L) ivc (D) cad
Isfflucnt%
TREATMENrr 2 ORGANISMS
4 Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1st sam le Ist samPic 2nd sam le
5 5 5
t C t C t c
a n a n a n
r d r d r d
I t t
1st sample Ist sample 2nd sample
Control
D.O.
freatmcni 2
1.C501Acu1c Toxicitv Tcst
(Mortality expressed as %, combining replicates)
om lete This I -or liithcr'1'cst 'Pest Start Date
12 / 15 / 18
Collection (Start) Datc
Sample 1 12114/1X Sample 2
Sample -ryWDuralion
sample I
Sample 2
Grab
Comp.
Duration
X
C
o
�r
o'
X
w
x
F
�
a
n
f
Hardness (mg/I)
48
QI?ij
1 :
Spec,Cond.(µmhos)
189
228
Chlorine(mg/1)
O.U4
Sample temp. at receipt
t•:`
1.9
0 %
6,25 %
12.5 %
25 % 50 "/0
100 %
%
Y.
LC50 = >100% % Method of Determination
95%Con fidence 1i
mits Moving Average Probit
%- % Spearman Karbcr Other X
Organism Tcslcd Ccriodaphnia dubia Dumtion(hrs) 24
Copy DWQ form AT-1 (N87) rev. 11/95
Concentration
Mortality
T
Nolc: Please
Complcle This
Scctinn Also
Startlend Start/end
6.93 6,99 Control 8.6 8.4
7.32 7.35 High 8.3 8.2
pit Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Datc 12/16/18
Facility Piedmont Triad Airport Authority NPDES#NC S000508 Pipc# SD0024 County Guilford
Laboratory Performing Test Research & Analytical LaboratoricS, Inc. Comments: A Pilot Environmental Proicct
X If Storm%vatcr Efllucnt
Signature fop in ponsiblc Charge RAL 460432-03
x
Sibna of ab ratory Supervisor
� T EnvironmentalSciences Branch
MAIL. ORTV�-+f V AL, TO: Div. Of Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity. Test
CONTROL ORGAN ISNIS 1 2 3 4 5 6 7 8 9 10 11 12
N Young Produced
Adult (L) ive (D) cad
Isfllucnt%
TREATMEN"I' 2 ORGANISMS
fi Young Produced
Adult (L) ive (I)) cad
p}1
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sam Ie 2nd sam ]c
lid
ti 5
t C t C
Ist sample 1st sample 2nd sample
Control
D.O.
'I'reatment 2
LC50/Acute Toxicity'I'cst
(Mortality expressed as %, combining replicates)
om lele'I'his For I itberTcst "Pest Start Date
I-)/ 15 / 18
Collection (Start) Datc
Sample 1 12/14/18 sample 2
Samnlc Tyne/Duration
Sample I
Sample 2
Grab
Comp.
Duration
X
N
N
�
�
C
�r
o
o
V:
U
C
C
Hardness (mg/1) 48"!
Spec.Cond.(pmhos) 189 671
Chlorine(mgA) __`! 0.03
Sample temp. at receipt a:.. a 1.9
0 %
6.25
%
12.5 %
25 %
50
%
100 %
%
%
%
%
0 /°
0
%
1 0 %
0 %
0
%
0 %
%
%
%
%
LC50 = >100% % Method of Dewrmination
.....................
95%Con fidence Limits Moving Average Probit
.o Spearman Karber Other X
Organism Tested Ceriodaphnia dubia Dumlion (hrs) 24
Cupy DWQ form AT-1 (3/87) rev. 11195
Concentration
Mortality
T
Note: 11ICnse
Complete This
Section Also
Start/end Startlend
6.93 16.99 1 C-Mru] 1 8.6 1 8.4
7.22 17.19 1.1igh 1 8.1 1 7.9
PH Conn D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LCSO
Date 12/16/19
Facility Piedmont Triad Ai orl Authority NPDES#NC S000508 Pipe# SDO026 County Guilford
Laboratory Performing "test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwater I-IMuent
Sibnatur f O r i esponsible Charge RAL N60432-04
X
Sign rc of1. b ry Supervisor
MAIL ORIGINAL TO:Evronmental Sc
Div.l Of Water Quality ience5 13CaCIC
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindaplrnia Chronic Pass/Fail Reproduction Toxicitv'l'cst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Effluent%b
TRI9ATIVIIiNI' 2 ORGANISMS
it Young Produced
Adult (L) ive (D) cad
pld
D.O.
Control
Treatment 2
Control
'treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sample
I.C501Acutc Toxicity Test
(Mortality expressed as%, combining replicates)
1 st sam le
S
t C
it n
r d
I
1 st sample
41
2nd sam Ic
S
l C
a n
r d
t
2nd sample
Cnm lcle'l-hk For Either Test
'test Start Date
12 /
15 /
18
Collection (Start) Datc
Sample 1 12/14/18 Sample 2
Sample Typc/Durntion
N
Grab Comp, Duration
to
Q.
C
Sample I X
n
w
Sample 2
2.
1lardncss (mg/1)
48
r' ,SEAM
5pcc.Cond.(pmhos)
189
f24
Chlorinc(mg/i)
D.D4
Sample temp, at receipt
;,at
1.4
0 %
6.25
%
12.5 %
25 %
50 %
100 %
""
I %b
%
%
0 °/b
o
%
I t1 °/b
0 %
0 %
o %
%
%
%b
%b
LC50 = >100% % Method of Determination
.......................................
95%Confidence Limits Moving Average Probit
% Spearman Karbcr Other .X
Organism Tcsted Ceriodaphnia dubia Duration (his) 24
Copy DWQ form AT-1 (3W) rev. 11195
-onccntmtion
T
vlortality
Nate: Please
Cumplew This
Section Also
StarWcnd
StarUend
6.93
6.99
Coaval
1 8.6
1 8.4
7.35
7.3()
Iligh
nfl
Conc. D.D.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/ 16/ 18
Facility Piedmont Triad Airport Authority NPDES##NC S000508 Pipeg SDO027 County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot l;nvironmental Project
X Stormwater Effluent
Signature f Olp r in ponsible Charge RAL 460432-05
X
Signa c a Ul.abdr&ory Supervisor
MAILORIGINAL TO- Environmental Sciences Branc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindanhnia Chronic 1'a.WF'ail Re reduction Tox icily Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
I- ftluent%
TREATMENT 2 ORGANISMS
#{ Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist S..am le
ti
l e
a n
r d
t
Ist sample Is[ sample 2nd sample
Control
I).O.
1'rcatment 2
LC50/Acute Toxicity, Test
(Mortality expressed a5 %, combining replicates)
omnlete This For Either Test
j Test Start Date
_...
12 / 15
/
18
Collection (Start) Dale
Sample 1 12/14/18 Sample
Sample Tync/Duration
Grab Comp, Duration
�_
a
Sample I X
G v
v
U
Sample 2
0'
Ifardness (mgn)
Spec.Cond.(µmhos)
Chlorinc(mgll)
Sample temp, at receipt
48
I
189
68
0A2
1.9
0 "0
6.25
%
1 12.5 %
25
%
50 %
100 %
%
%
%
%
0 %
(1
%
I o %
I)
%
U %
() %
%
%
%
"/a
LC50 - > 100% % Method of Dctcrmination
..............._........................ b
95%Confidence Limits Moving Averttg a Prohit
%- % Spearman Karbcr 0 Other X
Organism 'tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT-1 (3/87) icy, 1 "5
Concentration
T
Mortality
Noic: Please
Complcie This
Section Also
Stwt/cnd
Startiend
6.93
1 6.99
1 Control
8.6
7.44
High
8.3
!8.47.41
.3
pit
conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/16/18
Facility Piedmont'I'riad Airport Authority NPDIiS#NC S000508 Pipe# SD0030 County Guilford
Laboratory Pcrforming'I'est Research & Analytical Laboratories, inc. Comments: A Pilot Environmental Project
X Stormwatcr Effluent
Signature f Op cr n ponsible Charge RAI. #60432-06
X
Signal • orYaliordiofy Supervisor
ronmentl
MAIL ORIGINAL TO: Div. Water Quality Sciences Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodanhnia Chronic 1'ass/Fail Reproduction Toricit ] cLt
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) ead
E flluent%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D)end
PH
Control
Treatment 2
a 5 6 7 8 INS
moommommommloo
I st sam le
s
t C
a n
r d
t
2nd sampie
s
1 C
a n
r d
t
Ist sample I st sample 2nd sample
Control
D.O.
Freatment 2
LC50/Acute'1'oxicity Test
(Mortality expressed as %, combining replicates)
Com lete'1'his For Either Test
Test Start Date
12 /
15 /
18
Collection
(Start) Date
Sample 1
12/14/18 Sample 2
Sample�i'ype11]uration
•-.
N
a
Grab Comp. Duration
a
v
a
Sample I
X
D
_
Sample 2
0'
a
ra
n
Hardness (mgll)
48
Spcc.Cond.(µmhos)
199
66
Chlorine(mg/1)
0.04
Sample tctnp. at receipt
1.9
0 %
6.25
%
12.5 %
25 %
1 50
%
100 %n
% %
° o
%,
0 %
0
%
1 0 %
0 %
0
%
0 %
% %
%
io
LC50 = >100% % Method of Determination
..................................... .
95%Confidence Limits Moving A veTage Probit
%- % Spearman Karber 0 Other ............ X........
Organ isrtt'festcd Ceriodaphnia dubia Duration (his) 24
Copy DWV [form AT-t (3187) rev. 11195
Concentration
T
Mortality
Note: Please
ComplCte't his
Section Also
Start/end
Start/cnd
6.93
6,99
Control
9.6
8.4
7.30
j.
High
8,1
8.0
pH
Cone. 110,

Effluent Toxicity Report ]Form - Chronic Pass/Fail and Acute LC50
Date 12/16/18
ity Picdmon[Triad Ai ort Authority NPDES#NC S000508 Pipc# SDO033 County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X S[ormwater Effluent
5ignatura
per�to� 'n R • nnsible Charge RAL 960432-07
X 0V'/ *p
Signaat re of Ubofatdry Supervisor
MAIL ORIGINAL TO: Div.l Of W ter Qu li ty s Brant
N.C. DENR
1621 Mail Service Centel'
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/l-'ail Reproduction Toxicity'Tcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Lffluent%
'I'RFNrmLN'1' 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
PH
D.O.
Control
Treatment 2
Control
"Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sam le ISISampie 2nd sampie
s s s
t c t c 1 e
mm�lcte '[his For Either lest 'Pest Start Daic
12 / 15 / 18
Collection Start Date
Sample 1 12/14/18 Sample 2
Sample'__ lype/Duralion
I t - Sample 1
1 St sample 1 st sample 2nd sample Sample 2
R1 I
I.C501Acule Tnxicity Tcst
(Mortality expressed as %. combining replicates)
Grab
Comp.
Duration
X
a
o•
�
v
�
l lardness (mg/1)
48
M
�
Spec.Cond.(pmhos)
189
253
Chlorine(mgll)
0.03
Sample temp. at receipt
1.9
0 %
6.25
%
12.5 %
25 %
50 %
1On %
% °la
%
%
0 %
0
%
1 0 0
0 %
0 %
0 %
°/a %
%
LC50 = >100% % Method of Determination
95`Yo Confidence I-imils Moving Average Probit
%- % Spearman Karbev Other X
Organism' Tested Ceriodaphnia dubia Ruration (hrs) 24
Copy V WQ form AT-1 (3197) rev. 11195
Concentration
Mortality
T
Note: Please
Complcte'this
Section Also
Startlend Start/cnd
6,93 6.99 1 Control 8.6 8.4
7.78 7.69 lligh 8.2 8.0
P11 Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility
L.ahorltory Performing'fest Research & Analytical Lahoratorics, Inc.
x 11
Signalurc r pera�r ' Rcs iblc Charge
isor
Pipelt IS001
Date 12/16/18
Comments: A Pilot Environmental Project
Stormwater I-'Mucnt
RAL 1Y60432-09
MAIL, ORIGINAL TO. Div. Of W to Quality ciences Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina-Ceriodaphnia Chronic Passll-ail Reproduction Toxicity Test
CONTROL ORGANISMS 1 2 3 t 5 6 7 8 9 10 11 12
N Young Produced
Adult (L) ive (D) cad
Lfflucnt%
TREATMEW 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
'treatment 2
MEN 01 IMMEN
ONNEENNEEMEN
ist sampie Ist samPic 2nd sam le
s s s
t C t C
Ist sample 1st sample 2nd sample
Control
D.O.
'treatment 2
1-050/Acute Toxicity
(Mortality expressed as %, combining replicates)
till
Com lete This For Either Test
Test Start Date
12 /
15 /
18
Collection (Start) bate
Sample t
12/14/18 Sample
2
SampIc TypelDuration
6.
Grab Comp. Duration
o' •fir,
o
Sample I
X
G
Sample 2
0
V
�
n
n
Hardness (mg/1)
48
Spec:,Cond,(µmhos)
199
255
Chlorinc(mglt)
0.03
Sample IMP. at receipt
1.9
0 %
6.25 %
12.5 %
25 %
50 %
100 %
%
%
%
%
(1 %
0 %
1 0 %
0 %
0 %
0 %
%
%
011E
LC50= >100% % Method or Determination
.......................................
95%Con fidence Limits Moving Average Probit
%- 011E Spearman Karbcr Othcr X
Organism Tested Ceriodaphnia dubia Duration (hrs) 24
Copy DWQ Form AT-1 (3187) rev. 11195
Concentration T
Mortality Note: 11Icase
Cornplcte This
Section Also
Siarticnd StarUcnd
6.93 6.99 Control 8.6 8.4
7,65 7.60 High
pit Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont Triad Airport Authority _ _ NPI)ES#NC S000508
Date 12116118
Laboratory Performing Test Research & Analytical laboratories, Inc. Comments: A Pilot Environmental 1'roicct
X Stormtvater Effluent
Signature f Oper to in sponsible Charge RAL 460432-09
x
Signauge of abor o Supervisor
: t�Of WaterQuali y
MAIL ORIGINAL TO
Sciences Branch
Dv.
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindanhnia Chronic Pass/Fail Reproduction Toxicity'Fcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
Effluent%
TRI-WrwiNT 2 ORGANISMS
#f Young Produced
Adult (L) ivc (D) cad
p11
Control
'treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Isisam le Ist sam Ic 2nd sam le
s s s
I e t c t e
1 st sample I st sample 2nd sample
Control
D.O.
Treatment 2
LC50/Acute ' I"nx ici tv "test
(Mortality expressed as %, combining replicates)
om Icte'I'his For I3ither Tcst
Fest Start Date
12 /
15 /
18
Collection
(Start) Datc
Sample 1
12/14/18 Sample 2
Sample "I'ypc/Duration
N
Grab Comp. Duration
Sample I
X
G
c
� O
�
Sample 2
n V
n
I lardncss (mgll)
Chlorine(mgll)0.04
E48Spcc.Cond.(µmhos)270
Sample temp. at receipt1.9
0 %
6,25
%
12.5 %
25 %
50 %
100 %
%
%
%
%
0 %
0
%
0 nu
0 %
0 %
0 %
%
I %
%
%
LC50 = >100% % Method of Determination
......................................... b b
95%Confidence Limits Moving Avera a Prohit
Spearman Karber Other X
Organism 'I'csted Ceriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT -I (3187) rcv. 11/95
Concentration
Mortality
T
Notc: Ptcase
Complete'rhis
Section Also
Startlmd SiwVcnd
6.93 6.99 1 Connul 8.6 1 8.4
7,37 7.34 Iiigh 8.2 J 8.2
PH Conc. D.O.

lity
Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 12/16/18
PicdmontTriadAirport Authority NPDES#NC
S000508
Performing'I'cst Research & Analytical Laboratories, Inc.
FOpcJttgr in Responsible Charge
Supervisor
Pipc# IS#05 County Guilford
Comments: A Pilot L•:nvironmental Project
Stormwater Gfllucnt
RAI. #60432-10
MAIL ORIGINAL TO:El Scih
Dnvironment
Of Water Quality ences Branc
N.C. DEN R
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindanhnia Chronic Pass/Fail Reproduction Toxicity'l cst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
L' f llucnt%
TREA'I'MEN'r 2 ORGANISMS
# Young Pmduccd
Adult (L) ive (D) cad
pll
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
I st sam le I st sam lc 2nd sam le
5 S 5
I c t c t c
a n a n a n
r d r d r d
t t t
Ist sample Ist sample 2nd sample
Control
DA.
'1'rcatmcnt 2
LC501Acutc Toxicit 'I'cst
(Mortality expressed as °/a, combining replicates)
Com Ictc This For tither Test
'I'cst Start Date
12 /
15 /
18
Col lec t i on_(S tart) -Date
Sample 1 12114118 Sample 2
Sammie Tvnc/Duralion
w
Grab Comp. Duration
^_
Sample 1 X
G
O T
m
O
Sample 2
6'
'
b
a
n
re
Hardness (mgll)
48
Spcc.Cnnd.(µmhos)
189
277
Chlorinc(mg[l)
V�
D,()3
Sample temp. at receipt
1.9
0
%
6.25
%
12.5 %
25 %
50 %
100 %
%
%
%
%
0
%
0
%
1 0 %
0 %
0 %
o %
%
%
%
%
LC50 % Method of Determination
95%Con fidence Limits Moving Average Probit
%- % Spearman Karbcr Other X
Organism Tested Ceriodaphnia dubia Duration (hrs) 24
Copy DWQ room AT-1 (3187) rev. 11195
Concentration
Mortality
T
Note Ple sc
Complete'this
Section Also
Start/end Slaruend
6.93 6A9 Control 8.6 8.4
1.40 7A1 1 High 8.1 8.0
pH Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute L,C50 Date 12/16/19
Facility Picdmont Triad Airport Authority NPDLSUNC S000508 Pipe# IS#06 County Guilford
Laboratory Pcrforming Test Research & Analytical I,ahoratorics, Inc. Comments: A Pilot Environmental Project
X Stormwater Effluent
Signatures 170per r to sponsiblc Charge RAL 460432-1 1
X !CIA 10
SignaYdrtr6VkbcWory Supervisor
vronmental Sc
MAIL ORIGINAL TO: Ditv.lOf Water Quality iences Brant
N.C. DENR
1621 Mail Service Center
RaleiL,h, NC 27699-1621
North Carolina Ccrioda hnia Chronic lass/Fail Reproduction 'Toxicity Tess
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) ead
Effluent%
TREATMENT 2 __ II
ORGANISMS
N Young Produced
Adult (L) ive (D)cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
I st sam le I st sam le 2nd sam le
s s s
1 C 1 e I C
Ist sample ist sample 2nd sample
Control
D.O.
Treatment 2
1.C50/Acute Toxicity Test
(Mortality cxpmssed as %, combining replicates)
Com lcie'This I -or Either Test
'Pest Start Dale
12 /
15 /
18
Collection
_(Start) Date
Sample 1
12/14/18 Sample
2
Sartlple TTypdDurttion
N
Grab Comp. Duration
^• iE
c
O T
G
Sample I
X
G
U
s
Sample 2
c
-
- v
F
n
I Iardness (me)
48
Spcc.Cond.(µmhos)
189
276
Chlorinc(mgti)
0.62
Sample temp, at receipt
19
0
/°
6.25
%
12.5 %
25 %
50 %
100 %
%
I %
I %
%
0
%
0
%
1 0 %
0 %
0 5S
0 %
%
%
%
%
LC50= >]00°6 % 6lethndofDeuxmination
95`3'o Confidence Limits Moving Average Prohit
%- % Spearman Karber 0 Other X
Organ ism' Tested Ceriodaphnia duhia Duration (hrs) 24
Copy DWQ form AT-1 (3187) my. 11/95
Concentration
Mortality
T
Notc: Plcasc
Cumpletc'fhis
Suction Also
Start/cnd Start/end
6.93 6.99 Control 8,6 8.4
7.33 7.35 Iligh
pll Cone. D.U.

Facility
Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Picdmont'1lriad Airport Authority NPI)ES#NC
S000508
Laboratory Performing'fcst Research & Analytical Laboratories, Inc.
X
Xgnature &Oper o in sponsible Charge
of tabo4athry Supervisor
Dale. 12/ 16/ 18
Pipe# IS#07 County Guilford
Comments: A Pilot Environmental Pro'cet
Stormwater Enluent
RAL #60432-12
MAIL ORIGINAL TO: Div Of Water Quali y s Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity'Fcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
EfllucnI%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 !1 12
Is( sam lc 1st sam le 2nd samplc
s s s
t c t c t c
a n a n u n
r d r d r d
r r t
1st sample Ist sample 2nd sample
Control
D.O.
freatment 2
LC50/Acute Toxicity Pest
(Mortality expressed as %, combining replicates)
Com lete This For Either Test
'Pest Start Date
12 /
15
/
18
Collection
(Start) )a
Sample 1
12/14/18 Sample 2
Sample'I'vWDuralion
(lrah Comp. Duration
!n
o
T
a
Sample 1
X
Sample 2
0'
n
—
r.
l Hardness (mg/1)
48
Spec.Cond.(lrmhos)
189
382
Chlorine(mg/1)
v<"_
p.04
sample temp. at receipt
1.9
0 %
6.25
%
125
%
25 %
50 °/
100 %
%
%
%
io
0 %
it
or°
0
%
0 %
0 %
0 %
%
%
%
io
LC50 = �! 00% % Method of Determination
............. ...............,........... g
95% Confidence Limits Moving Average Probit
%• % Spearman Karbcr Other X
Organism'I'csted Ceriodaphniadubia Duration(hn) 24
Copy DWQ form AT-1 (3187) ray. 11/95
Concentration
Mortality
T
Notc: Plcisc
Complete This
Swim Also
SiaWend Starllcnd
6,93 6.99 1 Control 8.6 1 9.4
7.38 7,35 High
pit Conn D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/16/18
Facility i'icdmont'l'riad Airport Authority Nl'DES#NC S000508 Pipc# 1S48A County Guilford
Laboratory Performing'I'est Research & Analvtical Laboratories, Inc. Comments: A Pilot Environmental Project
X Sturmwatcr Effluent
Signatur �Oper t in R ponsible Charge RAL i{60432-13
X
SignaE re oKahorda6 Supervisor
MAIL ORIGINAL TO: Div.lronmentOf W ter Qual ty ences Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina C'eriodanhnia Chronic Pass/fail Reproduction 'Toxicity LI'Ot
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 IO 11 12 Calculated t
Tabular t
9Young Produced
a/o Reduction
Adult (L) ive (D) cad %Mortalit
Effluent%
'I'RI-A'rMI-N'I' 2 ORGANISMS
4 Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12 Control CV
% control organisms
prnduct�od
Ist sam lc
s
t e
a n
r d
t
1st s;sm le
s
I c
a n
r d
2nd sam le
s
t e
a n
r d
1st sample Ist sample 2nd sample
Control
D.O.
1'reatment 2
LC50/Acute -Toxicity Test
(Mortality expressed as %, combining replicates)
PASS PAIL
I I Check One I
om letc This for Either Test Test Start Date
12 / 15 / 18
C_ollcction (Start) Date
Sample 1 12/14/18 Sample 2
Sato_ mole hpdDuration
Grab Camp. Duration _ a
o' r, o'
Sample 1 X Lr L;
Sample 2 0n
Ilardr,ess (mgA) 48
Spcc.Cond.(pmbos) 189 lfi7
Chlorine(mg/1) 0.03
Sample temp, at receipt
0 %
6.25
%
12.5 %
25
%
5p %
100 no
%
"u
°u
%
0 %/a
U
%
0 %
(1
%
(i %
p %
%
%
%
%
1,00 = > lo0% % Method of Determination
..... .........................
!;
95%Conedence Limits Moving Average I'robit 0
:6- iu Spearman Karber Other X
Organism Tcstcd Ceriodaphnia dubia DUTatinn (hrs) 24
Copy vWV farm AT-, (3IB7) rcv. 11I95
"oncentration
T
Mortality
Note: Please
Complete 'This
Section Also
StwVcnd
StarVend
6,93 6.99
Control
1
8.6
8,4
7.44 7.40
11igh
8.1
lt.tl
pit
Conc. D.U.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont't'riad Airport Authority NPDES#NC S000508
Laboratory Performing Test Research & Analytical Laboratories, Inc.
X
Signaturof Operat99 ip,Res sihle Charge
isor
Datc 12/16/18
Pipe# iS#f10 County Guilford
Comments: A Pilot Environmental Project
Stormwater I:fllucnt
R.AL 4 60432- 14
MAIL ORIGINAL TO: Dity� Of Water Oualironmental ty s Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodanhnia Chronic Pass/Fail Renroduction-I'oxicity'I'cst
CONTROL ORGANISMS 1 2 3 4 5 b 7 8 9 10 11 12
# Young produced
Adult (L) ivc (D) cad
Ef[lucnl%
TRFATMENT 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
MENEM IMMEN
MENEENNEEMEN
i st Sam 1e I st sam Ic 2nd sam [e
1E I
s s 5
[ e t c r c
1st sample Ist sample 2nd sample
Control
D.O.
'1'reatment 2
LC50/Acutc Toxicity "I'cst
(Mortality expressed as %, combining replicates)
Com letc This For L:ithcr'1'est
'Pest Stan DatC
12 /
15 /
18
Collection
(Start)_Dal4
Sample 1
12/14/18 Sample2
S ampl_, c 'I�ypclE�uratinn
N
Grab Comp. Duration
s
Sample I
X
C
car,
v
o
u
Sample 2
r V
n
I lardncss (mgll)
48
Spcc.Cond.(lemhos)
189
175
Chlorinc(mg11)
0,03
Samplc 1cmp, at receipt
1.9
0 %
6.25
%
12.5
%
25 %
50 %
100 %
%
%
%
%
0 %
0
%
1 0
%
0 %
0 %
0 %
%
%
%
%
LC50 = > 100% % Method of Determination
.............................. .. .
95%Confidence Limits Moving Average Probit
Spearman Karber tither X
Organism Tested Ceriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT-t (3187) rev. 1 1/95
Concentration
Mortality
T
Now: Please
Cumplcic'I'his
Section Also
Start/end Start/cnd
6,93 6,99 1 C.mtrol 8.6 8.4
7.37 7.43 Iligh 1 8.2 8,0
pli Cone, D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/16/18
Facility Piedmont Triad Airport Authority NPI)ES#NC S000508 Pipc# [Soil County Guilford
Lahordlory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X A Siormwater Effluent
Signatur fopera Res I Ic Charge RAI, #60432-15
X
Sign re of tab&aroiff Supervisor
MAIL ORIGINAL TO: Div.lronmentOf Water Quality cienceS Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindaphnia Chronic PacslFail Reproduction'toxicity'fcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
1-1I7tuent%/%
TRI;A'rMENI' 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 11) 11 12
1st sam le
s
t c
a n
r d
I
1st sam le
s
t c
a n
r d
t
st sample I st sample 2nd sample
Control
1).O.
treatment 2
I,CN/Acute Toxicity Test
(Mortality expressed as %, combining rcplicaleN)
Com lete This For Either Test j
Test Start Date
12 /
15
/
l8
Collection (Start) Dale
Sample 1 12/14/19 Sample
Sample T}_pCJDumtion
Grab Comp. Duration
=,
O
T
4
Sample I X
G
r
Sample 2
6'
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RESwch & ANAlyTiCAI
LAWRATORIES, INC.
Analytical / Process Consultations
CHAIN OF CUSTODY RECORD
Water / Wastewater
Misc.
ompany
Job NO.
Pilot Environmental, Inc.
(PTAA P0ll0114-1)
-,
Street Address
Project �,lip
PO Box 128
NCS000508 Discharge Monitoring (Y9P-EJT-)
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Kernersville, NC 27285
B.J. Lineback 336.708:4655
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Ice
Sample Temperature at receipt 1. °C

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 1 of 4
weather.gov
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Pressure Precipitation
Wind
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14 12:54 NEB 13
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Light
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97%
30
NA 30.19
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14 11:54 NL 12
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93%
31
NA 30.30
1026.3
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14 08:54 NG 10
8.00
Overcast
E3KN023 38 35
89%
31
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1026.6
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14 07:54 NE- 10
7.00
Light
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86%
31
NA 30.30
1026.6
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E4 06:54 NE
8.00
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OVC090 38 34 41 38
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1026.9 0.01 0.02
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14 05:54 N 6 8.00 Light SCl'055 38 33
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14 04:54
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10.00 Overcast
OVC049
39
32
14 03:54
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10.00 Overcast
OVC046
40
32
14 02:54
N1" 6
10.00 Overcast
OVC044
40
31
14 01:54
N17- 3
10.00 Overcast
OVC049
40
31
14 00:54
NE 3
10.00 Overcast
OVC050
41
31
13 23:54
N 8
10,00 Overcast
OVC060
40
31
13 22:54
NI-'5
10.00 Overcast
13KNO65
39
32
OVC200
13 21:54
Nfi 5
10.00 Overcast
13KNO65
41
31
OVC200
13 20:54
NE 5
9.00 Overcast
SCI'065
41
32
1.3KN 190
OVC250
13 19:54
Calm
10.00 Overcast
Fl W065
39
31
13KN190
OVC250
13 18:54
13
9.00 Overcast
OVC190
43
31
13 17:54
Calm
10.00 Mostly
1.3KN 180
43
31
Cloudy
13KN250
13 16:54
SE 5
10.00 Mostly
13KN 190
44
30
Cloudy
13KN250
83%
33
NA
30.32
1027.0 0.01
76%
33
NA
30.29
1026.2
73%
35
NA
30.30
1026.2
70%
36
NA
30.29
1026.1
70%
NA
NA
30.29
1026.1
43 37 67%
NA
NA
30.30
1026.3
70%
35
NA
30.29
1026.2
76%
35
NA
30.31
1026.6
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38
NA
30.31
1026.8
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38
NA
30.30
1026.5
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NA
NA
30.32
1027.2
47 41 63%
NA
NA
30.28
1025.9
63%
NA
NA
30.29
1026.1
58%
41
NA
30.28
1025.6
http://wI.weather.gov/data/obhistory/KGSO.hti-n1 l 2/ 17/20 l 8

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 2 of'4
13 15:54
S 6
10.00 Overcast
13KN 180
45
30
56%
42
NA
30.26
1025.3
OVC250
13 14:54
S 5
10.00 Overcast
FEW095
45
29
54%
42
NA
30.26
1025.3
13KN 180
OVC250
13 13:54
Calm
10.00 Overcast
13KNO95
45
30
56%
NA
NA
30.25
1024.8
OVC250
13 12:54
W 3
10.00 Overcast
13KN 100
45
30
45 29
56%
NA
NA
30.25
1024.9
OVC250
13 11:54
SW 5
10.00 Overcast
IIKNO95
42
31
65%
39
NA
30.27
1025.4
OVC250
13 10:54
Vrbl 5
10.00 Overcast
13KNO95
40
32
73%
36
NA
30.29
1026.0
OVC250
13 09:54
Calm
10.00 Overcast
13KNO95
38
32
79%
NA
NA
30.29
1026.3
OVC250
13 09:54
Calm
10.00 Overcast
13KN085
35
31
95%
NA
NA
30.26
1025.3
OVC250
13 07:54
NW 5
7.00 Mostly
13KNO85
33
29
85%
28
NA
30.23
1024.1
Cloudy
13KN250
13 06:54
S 5
9.00 Mostly
13KN 110
31
29
34 29
92%
26
NA
30.21
1023.6
Cloudy
13 05:54
S 3
8.00 I'artly
SCI'075
30
27
88%
NA
NA
30.19
1023.1
Cloudy
13 04:54
Calm
10.00 Partly
SCi'080
33
29
85%
NA
NA
30.18
1022.6
Cloudy
13 03:54
S 6
10.00 Mostly
BKN070
33
29
85%
27
NA
30.18
1022.3
Cloudy
13 02:54
Calm
10.00 Mostly
13KN070
32
28
85%
NA
NA
30.18
1022.6
Cloudy
13 01:54
Calm
10.00 Overcast
OVC070
33
27
78%
NA
NA
30.18
1022.3
13 00:54
W 5
10.00 Mostly
13KNO65
31
25
39 29
79%
26
NA
30.18
1022.5
Cloudy
12 23:54
S 3
9.00 Partly
FEW 100
31
25
79%
NA
NA
30.17
1022.1
Cloudy
SCf250
12 22:54
Calm
10.00 Partly
SCf250
34
27
76%
NA
NA
30.19
1022.9
Cloudy
12 21:54
Calm
10.00 Overcast
PIW 120
33
27
78%
NA
NA
30.19
1022.9
13KN 180
OVC250
12 20:54
S 5
10.00 Overcast
FEW120
34
28
79%
29
NA
30.19
1023.0
SCl' 180
OVC250
12 19:54
W 3
10.00 Overcast
13KN 120
37
29
73%
NA
NA
30.19
1022.7
13KN 180
OVC250
12 18:54
SW 5
10.00 Overcast
13KN180
37
29
44 37
73%
33
NA
30.19
1022.7
OVC250
12 17:54
SW 3
10.00 Overcast
13KN190
38
29
70%
NA
NA
30.17
1022.3
OVC250
12 16:54
Calm
10,00 Overcast
FLW080
41
26
55%
NA
NA
30.16
1021.8
13KN 190
OVC250
http://wi.weather.gov/data/obhistory/KGSO.htmi 12/17/2018

0
National Weather Service : Observed Weathcr for past 3 Days : Greensboro, Piedmont Tr... Page 3 of'4
12 15:54
Calm
10.00 Overcast
FL;W060
42
26
53%
NA
NA
30.16
1022.0
13KN190
OVC250
12 14:54
SW 3
10.00 Overcast
F13W060
42
25
51'%
NA
NA
30.15
1021.7
13KN 180
OVC250
12 13:54
SW 6
10.00 Overcast
13KN160
42
25
51%
38
NA
30.15
1021.7
OVC250
12 12:54
Calm
10.00 Overcast
SC I70
42
26
42 26
53%
NA
NA
30.15
1021.5
OVC250
12 11:54
Calm
10.00 Overcast
FEW045
41
25
53%
NA
NA
30.18
1022.6
OVC200
12 10:54
Calm
10.00 Overcast
OVC200
39
24
55%
NA
NA
30.20
1023.3
12 09:54
Calm
10.00 Overcast
BKN 190
33
25
72%
NA
NA
30.21
1023.5
OVC230
12 08:54
Calm
10.00 Overcast
OVC 190
30
23
75%
NA
NA
30.21
1023.7
12 07:54
S 5
10.00 Overcast
OVC200
26
20
78%
20
NA
30.19
1023.2
12 06:54
NE 5
10.00 Overcast
OVC200
33
18
33 22
54%
28
NA
30.17
1022.0
12 05:54
SW 5
I0.00 Mostly
IIKN220
27
21
78%
21
NA
30.17
1022.3
Cloudy
12 04:54
Calm
10.00 Mostly
IIKN220
28
18
66%
NA
NA
30.15
1021.5
Cloudy
12 03:54
Calm
10.00 A Few
F1W250
27
20
75ON,
NA
NA
30.14
1021.4
Clouds
12 02:54
Calm
10.00 A Few
F1:W250
26
18
71%
NA
NA
30.14
1021.1
Clouds
12 01:54
W 6
10.00 lair
CLR
26
17
69%
19
NA
30.12
1020.7
12 00:54
SW 6
10.00 Fair
C1.R
23
19
36 23
85%
16
NA
30.12
1020.6
11 23:54
SW 3
10.00 Fair
CLR
27
19
72%
NA
NA
30.11
1020.2
11 22:54
SW 7
10.00 lair
CI,R
29
19
66%
22
NA
30.11
1020.3
11 21:54
SW 3
10.00 lair
CI,R
34
17
30%
NA
NA
30.11
1020.2
11 20:54
W 7
10.00 Fair
CLR
32
22
66%
25
NA
30.11
1020.3
11 19:54
SW 5
10.00 Fair
CLR
34
22
61%
29
NA
30.12
1020.7
11 18:54
W 6
10.00 A 1'cw
1'11-'W250
36
21
44 36
55%
31
NA
30.12
1020.5
Clouds
11 17:54
SW 5
10.00 A Few
I'L.W250
37
22
54%
33
NA
30.11
1020,2
Clouds
11 16:54
W 6
10.00 A Fey
1:I:W250
41
20
43%
37
NA
30.11
1020.3
Clouds
11 15:54
W 8
10.00 I'artly
SCT250
41
19
41 %
36
NA
30.11
1020.1
Cloudy
11 14:54
W 9
10.00 A Fete'
1 W250
43
20
40%n
38
NA
30.11
1020.1
Clouds
11 13:54
W 8
10.00 A Fey
]'EW250
42
19
40%
37
NA
30.12
1020.3
Clouds
D Max. Min. altimeter sea 3
Air Dwpt Wind Heat level 1 hr 6 hr
a Time Wind Vis. Sky 6 hour Relative (in.) hr
t cst (mph) mi. Weather Cond. HumidityChill Index (mb)
( ( p) ( ) (OF) (0F) Precipitation
e Temperature (°F) Pressure
(in.)
http://wI.weather.gov/data/obhistory/KGSO.htmi
12/17/20I S

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 4 of 4
National Weather Service
Southern Region Headquarters
Fort Worth.. Texas
DiscIaimer
Back to previous page Last Modified: Febuary. 7 2012
Privacy_ Policy
http://wl .weather.gov/data/obhistory/KGSO.htmi 12/17/20 i 8

To: North Carolina Department of Environmental Quality
Division of Energy Mineral and Land Resources
(origino! Attn: Central Files
& I copy) 1617 Mail Service Center
Raleigh, NC 27699-1617
Discharge Monitoring Report
Facility Dame: Piedmont Triad International Airport Permit: NCS000508
County: Guilford Phone: [phone]
Person Collecting Sample: B. J. Lineback; Pilot Environmental, Inc. [phone]
Certified Laboratory(s): Research and Analytical Laboratories, Inc. Lab #: 34
Lab #:
Date of Sample Collection: December 2, 2018
Schedule (NPDES 2): Season
9 (year)
Period
- (quarter)
', I
Event
3 (deicing)
Tier Two
- (month)
1p,N
ADF Applied (if applicable): 0 gallons
0
on December 2, 2018
December 1, 2018W
a �cio!a
gallons
on
0 gallons
on November 30, 2018
233 gallons
on November 29, 2018
Totai Event Precipitation: 0.20 inches on December 2, 2018
0.19 inches on December 1, 2018
trace inches on November 30, 2018
_trace inches on November 29, 2018
Routine, Deicing Event, and/or Tier Two Analytical Monitoring Results Attached
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: Date: 1-2-2019
h ttps.Ilprojects. mbakercorp, comIPTIA/ListsIDMRslAilitems. aspx

Nfnrn NI TRiAn IATFNNATInNAL AigpG1+7
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
NPDES Permit: NCS000508
Page 1 of 2
B.J. Uneback
forguidance on completing this c
Quantitative Data to be collected
Investigator: 336-708.4655
portion of this form, visit �; c
during Routine (P) and Deicing
Date: f — �' I �
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By this signature, I certify that this report is accurate and complete to the best of my knowledge:

RESEARCh & ANA1yTiCA1
00 ' LA ORATORIES, INC.
000
For: Pilot Environmental
PO Box 128
Kernersville, NC 27285
Attn: BJ Lineback
Report of Analysis
12/13/2018
ANk
`. .A V cit. .,.
NC 434 Z C!7 r
NC 437701
,fI C1 ••• 'C�q�CYO�:
Client Sample ID: SDO 004 Lab Sample ID: 59782-01
Site: Pilot Environmental Collection Date: 12/2/2018 13:11
Parameter Method Result Units Rep Limit An, alvst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 0-1997 0.171 mglL 0.1 FK 121712018
BOD-5 SM 5210 B-2001 3.38 mg/L 2 HW 12/4/2018 1145
COD EPA 410.4 30 mg/L 5 HW 12/512018
Client Sample ID: SDO 024 Lab Sample ID: 59782-02
Site. Pilot Environmental Collection Date: 12/2/2018 12:35
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Ammonia Nitrogen SM 4500 NH3 D-1997 10.2 mglL 0.1 FK 12/7/2018
BOD-5 SM 5210 B-2001 45.9 mg/L 2 HW 12/4/2018 1109
COD EPA 410.4 73 mg1L 5 HW 12/5/2018
Client Sample ID: SDO 026 Lab Sample ID: 59782-03
Site: Pilot Environmental Collection Date: 12/2/2018 12:27
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0.1 FK 121712018
BOD-5 SM 5210 B-2001 3.97 mg/L 2 HW 12/4/2018 1145
COD EPA 410.4 9 mg/L 5 HW 121512018
Client Sample ID: SDO 027 Lab Sample ID: 59782-04
Site: Pilot Environmental Collection Date: 12/2/2018 12:13
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 0.139 mg/L 0.1 FK 12/7/2018
P.O. Box 473 106 Short Street Kernersville. North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 1
rai coa basic v1C

RESEARCh & ANA[yTICA1
Report of Analysis
Qp LA ORATORIES, INC.
12/13/2018
Client Sample ID:
Lab Sample ID:
Site:
Collection Date: 12:13
Parameter Method
Result
Units
Rep Limit Analyst Analysis Dateliime
BOD-5 SM 5210 B-2001
<2
mg/L
2 HW 12/4/2018 1145
COD EPA 410.4
<5
mg/L
5 HW 12/5/2018
Client Sample ID: SOO 030
Lab Sample ID: 59782-05
Site: Pilot Environmental
Collection Date: 1212/2018 12:55
Parameter Method
Result
Units
Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997
<0.1
mg/L
0.1 FK 12/7/2018
BOD-5 SM 5210 B-2001
<2
mg/L
2 HW 12/4/2018 1145
COD EPA 410A
8
mg/L
5 HW 12/5/2018
Client Sample ID:
Site:
SDO 033
Pilot Environmental
Lab Sample ID:
Collection Date:
59782-06
12/2/2018 13:35
Parameter
Method
Result
Units
Rep Limit Analyst Analysis Date/Time
Ammonia Nitrogen
SM 4500 NH3 0-1997
<0.1
mg/L
01
FK 12/7/2018
BOD-5
SM 5210 B-2001
7.69
mg1L
2
HW 12/4/2018 1131
COD
EPA 410.4
13
mg1L
5
HW 12/13/2018
NA = not onotyred
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel! 336-996-2841 Fax: [phone] wmv.randalabs.com Page 2
rat coo hasic vld

`uupgg
REE`,�y.
S ARCh & ANA1yTICA1 ..''i"i""
pap I—AbORATORIES, INC.Cc
f.��►i"+''_
0 AnalyllCol/Process Consutlaflons°� NCRSE =f
•,r�TgEU�A„f`� � `,
December 13, 2018
Pilot Environmental, Inc.
P.O. Box 128
Kernersville, NC 27285
Attention: B.J. Lineback
Project Name: NCS000508 Discharge Monitoring (Y9P-E3T-)
1• EPA Method 8015
Quantization
SDO 004
SDO 024
SDO 026
SDO 027
SDO 030
SDO 033
Limit
Results
Results
Results
Results
Results
Results
Parameter
m r/L
MeU
(mE/Ll
m /L
m /L
SILL)
(mg[L)
Ethylene Glycol
10.0
BQL
BQL
F3QL
BQL
BQL
BQL
Propylene Glycol
10.0
BQL
37.9
F3QL
BQL
BQL
BQL
Sample Number:
59782-01
59782-02
59782-03
59782-04
59782-05
59782-06
Sample Collected Date:
12/02/18
12/02/18
12/02/18
12/02/18
12/02/18
12/02/18
Sample Collected Time (Mrs):
1311
1235
1227
1213
1255
1335
mpjL = milligrams per Liter = parts per million (ppm) BQL — Below Quantitation Limit

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont Triad Airport Authority NP
Laboratory Performing Test Research & Analytical laboratories, Inc.
X
Signat ofQpXrator in Responsible Charge
Supervisor
Date 12/04/19
l'ipc4 SDO 004 County Guilford
Comments: A Pilot Environmental Pro'cct
Stormwater Lfflucnt
RAI, 959782-01
MAIL ORIGINAL TO: EvironmenlDiv. Of W ter Quality Sciences ranch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerioduphnia Chronic Pass/Fail Rceoduction Toxicit ry Test
CONI'ROI.ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
H Young Produced
Adult ([s) ivc (1)) cad
l:fllucnl% I�
TREW1'MHNT 22 ORGANISMS
4 Young Produced
Adult (L) ivc (D) cad
pll
Control
Treatment 2
Control
Treatment 2
1 2 3 4 5 6 7 8 9 III 11 12
1 st sam le 1 st sam le 2nd sam le
S 5 s
I e 1 L I C
omplcie his For Eithcr Test Test Start Datc
12 / 03 / 1H
Collection (Start) Date
Sample 1 12/02/18 Sample 2
Sa_mplc TyprlDuratinn
t V I t - Sample I
1 st sample 1 st sample 2nd sample Sample 2
I.C501Acute i oxic ity 'lest
(Mortality expressed as %, combining replicates)
Grab
Comp.
Duration
X
R
�
G'
e
e
I lardness (mgA)
48
Spcc.Cond.(pmhos)
190
279
Chlorine(mg/1)
0.02
Sample temp, at receipt
?"i"
2.4
0 %
6.25
%
12,5
°u
25 %
50 %
100 %
%
%
%
°u
11 %
0
%
0
%
0 %
0 %
0 %
%
%
%
I-050 = >100% % Mclhod of Dcicrminalion
.........................................
95%Contidcnct Limits Moving Average Probit
%- % Spearman Karbcr Other .............X
...... ..........
Organism Tested Ceriodaphnia dubia Durulinn (hrs) 24
Copy DWQ form AT-1 (3187) rcv, 11N5
Concentration
Mortality
T
Note: I'lease
Camplctc This
Suction Also
Slardcnd Stanknd
6.93 7,01 Control 8.6 8.4
6.99 1 7.07 1 High 8.4 8.4
pit Conc. 110.

Effluent Toxicity Report Form - Chronic PasslFail and Acute LC50
ility Piedmont Triad Airport Authority N1'D13S#NC S000508
Performing Test Research & Analytical Laboratories, Inc.
of OWp4or LOksponsible Charge
Supervisor
Date 12/04/18
Pipe# SDO024 County Guilford
Comments: A Pilot ]environmental Project
Stormwater Gftluent
RAI, #59782-02
MAIL ORIGINAL TO: DivlOftWater Ouai tyes 13ranc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodanhnia Chronic Pass/Fail Reproduction 'Toxicity "Pest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Eifflucnt%
'IREATIVILNT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
pN
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sam le Ist sam Ic 2nd sam ]c
s s s
t c t e t c
a n a n o n
r d r d r d
t t t
Ist sample ISl sample 2nd sample
Control
D.O.
Treatment 2
LC50/Acu1e 'Toxicity "Test
(Mortality expressed as %, combining replicates)
omplcie This For Dither "Test 1"cst Start Date
_....� 12 / 03 / 18
Collection (Start) Datc
Sample 1 1 M2/18 Samplc 2
Sample TyP9L1 ration
Sample I
Samplc 2
Grab
Comp,
Duration
X
Vi
a
o
o'
C7
X
d
i
o
M
�
n
n
Hardness (mg11)
48
t :;,;
Spec.Cond.(µmhos)
190
98
Chiorinc(mg11)
"?fiG'
0,01
Sam le temp. at recce ,
2.4
0 %
6.25
%
12.5 %
25 %
50 %
100
%
%
%
%
%
0 %
0
%
0 %
0 °J°
0 %
0
%
%
%
%
I-050 = >100% % Method of Determination
95% Confidence Limits Moving Average Probit
%- % Spearman Karher Other X
Organism Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form A"I--1 (3187) rev. 11195
Concentration
Mortality
T
Note: Please
Complete'1'his
Section Also
StarVend Start/end
6.93 7.01 Contrut 8,6 8.4
6.91 6.90 high 8.3 8.2
ptI Conc. D'O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 12/04/18
Facility Piedmont Triad Airport Authority NPDISNNC S000508 Pipe# SD0026 County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot l.;rivironmental Project
X Stormw•ater Effluent
Signatu of0 oratoresponsible Charge RAL N59782-03
X
Sign ture f b ratory Supervisor
MAIL ORIGINAL TO: Dity� Of W ter Qualironmental y s Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carnlina Cerindanhnia Chronic Pass/l-ail Reproduction Toxicitv Tcst
CONTROL ORGANIS MS l 2 3 4 5 6 7 8 9 EU 11 12
N Young Produced
Adult (L) ive (D) cad
Effluent%
TRIiATMtiNT 2 ORGANISMS 1 2 3 4 5 6 7 8 9 to 11 12
N Young Produced
Adult (L) ive (D) cad
Ist sam le Ist sam le 2nd sam le
Control
PH
Treatment 2
S 5 5
t C l C t L'
a n n n a n
r d r d r d
I t 1
Ist sample Ist sample 2nd sample
Control
D.O.
Treatment 2
1,C50/Acute Toxicity Test
(Mortality expressed as %, combining replicates)
Com lele'lhis Far Either'Test
I'est Start Date
12
03
18
Collection
(Stan) Date
Sample 1
12/02/18 Sample 2
S am1[, t�l j!pclDuratinn
Grab
Comp.
Duration
X
1 0 - %16.25 112.5 %1 25 %1 50 %1 100 %1 %I %I %I
t) % 0 % I o % 0 % t) % 0 % % %1 %
LC50 = >100% "A Method of Determination
9 5 % Confidence Limits Moving Average Probit
°o- % Spearman Karher Other X
Organism'Tesicd Ccrindaphnia dubia Duration(hrs) 24
Copy DWQ form AT-1 (3/87) rev. 11095
tration
r
Wily
Nose: ]'lease
complete'[his
Section Also
Start/end
Stttn/crd
6,93
7.01
Control
8.6
8,4
6.75
6.67
High
ptE
Conc. U.U,

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/04/18
Facility Piedmont Triad Airport Authority NI'DES#NC S000508 Pipc# SD0027 County Guilford
Laboratory Performing Test Research &: Analytical Lahoratories, Inc, Comments: A Pilot Environmental Project
X Stormwater Effluent
Signatur• fppe 1 in
SResponsible Charge RAL #59782-04
it of E boratory Supervisor
MAIL ORIGINAL TO: Div.
Water
Quality
Sciences 13ranc
Uiv. �f Water Quality
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicily'lcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 to 11 12
4 Young Produced
Adult (1_) ive (D)cad
1:11lucnt% I I
TREATMENT 2 ORGANISMS
# Young Produced
Adult (1.) ive (D) cad
pit
Control
Treatment 2
I st sam le
s
I C
a n
r d
I
Istsam le
El
t e
a n
r d
I
2nd sampie
s
t e
a n
r d
1
Ist sample Ist sample 2nd sample
Control
D.O.
"]7eatmcnt 2
LC501Acute Toxicity Test
(Mortality expressed as %, combining replicates)
Cam h to 'Chic Fnr Either'Test
'Pest Start Date
12 /
03
18
Collection (Start) Date
Sample 1 12/02/18 Sample 2
Sample�l'vpe/Duration
Grab Comp. Duration
�-
Sample I X
p
0
U;
O
L,
n
Sample 2
tlardnLss (mgll)
48
Spcc.Cond.(pmho5)
190
25
Chlorine(mgll)
U.U2
Sample temp. at receiptqtb
2.4
0 %
6.25
%
12.5
25 %
50 %
100 %
%
%
%
0 %
0
%
U
%
0 %
0 io
(1 %
%
%
%
LC50 >100% % Method ot'Docrmination
........................................
95%Confidence Limits Moving Average E'rohit
/° % Spcarman Karhm Other X
Organism Tested Ceriodaphnia duhia ❑uratian (hrs) 24
Copy DWQ form AT-1 (3187) rcv. 11/95
Concentration
Mortality
T
Nute, Pleasc
ComplCie This
Section Also
Start/end Start/end
6,93 7.01 Control[ 8.6 8.4
6,87 6.94 1 High 8.1 8,1
pit Conc. D.U.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/04/18
Facility Piedmont "triad Airport Authority NPDES#NC S000508 Pipc# SD0030 County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwater Effluent
Signature Ope t in Res nsible Charge RAL 459782-05
�S—ig=c
o0l-borafflry Supervisor
Environmental Sciences Branch
MAIL ORIGINAL TO:
N.C. DLNR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction'I'oxicitv'l'cst
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 to 11 12
# Young, Produced
Adult (L) ive (D) cad
Efllucnta/a
TREATMLN'r 22 ORGANISMS
# Young Produced
Adult (I.) ive (D) cad
ph
Control
Treatment 2
0000001 :MEN
MENNNINES MEN
l st sam le
5
I c
it n
r d
t
Istsam Ic
FE
t e
a n
r d
t
2nd sam le
s
t e
a n
r d
t
Istsample Istsample 2nd sample
Control
D.O.
Treatment 2
1,C50/Acute Toxicity']jest
(Mortality expressed as %, combining replicates)
Com letc j'his For }:ithcr'I'cst
—
Test Start Date
12 /
03 /
18
Colleclion Start Date
Sample 1 12102J IS Samplc
2
Samplc�I�vpc/l)uration
n
a
Grab Camp. Duration
sample I X
Q
Satnplc 2
a
'a
r
'
n
tlardncss (mg/1)
48
i
Spec.Cond.(µmhos)
190
55
Chlorine(mo)
0.01
Sample temp, at rcecipt
t
2,41
0 %
6.25
%
12.5 %
25 %
50 %
100 %
°o
%
0 %
0
%
I o %
0 %
0 %
0 %
—%1.
° u
LC50 = >100% % Method of Do mmination
95%Con fidence Limits Moving Average Probit
%. % Spearman Karber Other ..X.........
Organism Tcsted Ccriodaphnia dubia nururinn(hrs) 24
Copy DWQ corm AT -I (3187) rev. 11195
Conwntration
T
Mortalitv
NOW Pltast
Complete This
Scctiun Also
Stardend
stardend
6.93
7.01
Cantral
8.6
1 9.4
6.71
6.77
1ligh
pH
Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont Triad Airport Authority NPDES#NC S000508
Laboratory Pcrforming Test Research & Analytical Laboratories, Inc.
X
Signal - of 0,pe4orponsihlc Charge
Supervisor
Date 12/04/18
Pipe# SD0033 County Guillord
Comments: A Pilot Environmental Proicct
Stormwater Effluent
RAL #59782-06
MAIL ORIGINAL TO: Environmental Div. Of Water Ouality s Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindaj2hnia Chronic Pass/Fail Rcprnduclion'I'oxicily'fest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
Effluent%
TREA'I'MI:NZ' 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
pH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
ISt sampie 1st sam le 2nd sam le
$ s s
l e t C t C
o n a n u n
r d r d r d
t t t
I st sample I st sample 2nd sample
Control
D,O.
'1'rcatmcnt 2
LC50/Acu1e 'I'oxicilv'l'cst
(Mortality expressed as %, combining replicates)
Com 1c[c'17tis k or 1 ither Test
Test Stan Datc
12 /
03 /
18
Collection (Start) Date
Sample 1 12/02/18 sample 2
Sample�Duration
N
Grab Comp. Duration
^_ 5n
o
Sample I X
Sample 2
0'
Hardness(mgA)
48
;#V_q. aa�4'
Spec.C'ond.(Iimhos)
190
106
Chlorinc(mg;A)
Sample temp. at receipt
;.
4
!2.03
fl °�
6.25
%
12.5
25
%
50 %
too %
%
%
%
U
U
%
0 %
f1
%
0 %
0 %
LC50 = >100% % Mclhnd of'Delcrmination
.......... ................
95% Confidence Limits Moving Average NUN[
% Spearman Karber Other X
Organism Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT-1 OM) rev. 11/95
Concentration
Mortality
T
Norte: Please
Cumpletc'1'his
Section Also
Start/end Starticnd
6.93 7.01 1 Cun,.l 1 8.6 8.4
6.70 6.69 I f igh
PH Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 12/04/18
Facility Piedmont Triad Airport Authority NPDES#NC S000508
Laboratory Performing Test Research & Analvtical Laboratories, Inc.
X
in ljtssponsible Charge
Pipe# IS Ilol County Guilford
Comments: A Pilot Environmental Project
Stormwater Efllucnt
RAL 059782-07
MAIL ORIGINAL TO: Div, Of Water Quality ciences Branch
N.C. Df NR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Crrinda hnia Chronic Pass/Vail-Reproduction Toxicilv'1'est
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Effluent%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
"Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1 st Sam le
s
t C
a n
r d
t
Ist sam le 2nd sam le
s s
t C t C
1st sample Ist sample 2nd sample
Control
D.U.
Treatment 2 HI
LC50/Acute 'Toxicitv'I'est
(Mortality expressed as %. combining replicates)
Com lete This For Either Test
Test Start [date
12 /
03
18
_Collection (Start) Date
Sample 1 12/02/18 Samplc2
Samalc TypclDuration
Grab Comp, Duration
Sample I X
G
O T
C
s
Sample 2
0'
a
I lardness (mg/1)
48
1
Spec.Cond.(pmhos)
190
95
Chlorinc(mg/1)
'04
Sample temp, al receipt
�2.4
0 %
6,25
%
12.5
%
25 %
50
%
100 %
%
%
%
io
0 %°
0
%
1 0
%
0 %
0
%
0 %
%
%
%
%
LC50 = >100% % Method of Determination
95%Confidence Limits Moving Avenge Probit
%- % Spearman Karbcr Other X
Organism Tested Ceriodaphnia dubia Dumdon (hrs) 24
Cupp DWQ form AT-1 (3/87) rev. I It95
Conewntion
Mortality
T
NOIC: Plwsc
Camplete 'his
Srction Also
Start/end StarUcrtd
6.93 1 7,01 1 Control 8.6 8.4
6.78 1 6.75 High I 8.1 8.0
pH Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont Triad Airport Authority NPDI:S4NC
Date 12/04118
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwater Effluent
signat4ijof 0 or i sponsible Charge RAL B59782-08
X
SigrgUr4fab&dtory Supervisor
ronmental
MAIL ORIGINAL To. Div. Water Quality Sciences Branch
N.C. DI?NR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina C_'eriodaphnia Chronic Pass/Fail Reproduction Toxicity "Pest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
0 Young Produced
Adult (L) ive (D) cad
Effluent%
TRuA'rmEN'r 2 ORGANISMS
9 Young Produced
Adult (L) ive (D) cad
p1I
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Isis am le Isl. sam Ie 2ndsam le
s s s
t e t e t C
a n a n a n
r d I d r d
t I t
1st sample 1st sample 2nd sample
Control
D.O.
'frcatment 2
LC50/Acute Toxicity "Pest
(Mortality expressed as %, combining replicates)
Com lete This For Either Test
"Pest Start Date
12 /
03 /
18
Collection (Start) Date
Sample 1 12/02/18 Sample 2
Samplc Type/Duration
N
Grab Comp. Duration
n-1
Sample l X
a
t`„
C
� C
Sample 2
0'
a —
"
Hardness (mgll)
48
Spec.Cond,(pmhos)
190
88
Chlorinc(mg/1)
jklft
0.02
Sample temp. at receipt
f
2.4
0 %
6.25
%
12.5 %
25 %
50
%
100 %a
%
%
I %
%
0 %
0
%
1 0 %
0 %
0
%
0 %
%
LC50 >100% % Method of Dclerminaliari
95%ConIII dence Limits Moving Average Probii
%- % Spearman Karbct Other X
Organism Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT -I t3l87) rev. I U95
Concentration
Mortality
T
Nutc: Please
Cumplcle'rhis
Section Also
Startiend Slart/cnd
6.93 7.O1 Controt 8.6 9.4
6.75 6,80 Iligh 8,0 8A
ptl Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont Triad Ai ort Authority NPDLS#NC S000508
Laboratory Performing'fest Research & Analytical Laboratories, Inc.
in Rcponsible Charge
Supervisor
Dale 12/04/19
Comments: A Pilot Environmental Project
Siormwater Eflluenl
RAI, tt 59782-09
ronmental
Ev
MAIL ORI A L 1 O ; Div. l Of Water Quality Sciences Branch
1IV
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina C'erindalAnin Chronic Pass/Fail Reproduction Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Effluent%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1st sam le Ist sam le 2nd sampie
S S S
t c t e t e
A n a n n n
r d r d r d
t t t
Ist sample Ist sample 2nd sample
Control
D.O.
'1'rcatmcni 2
1,C501Acute Toxicity 'Pest
(Mortality expressed as %, combining replicates)
Gui
Com Icte This For Eithcr'l'cst
'Pest Start Date
12 /
03 / 18
Collection (Start) Date
Sample 1 12/02/18 Sample
Sampic T pc/Duration
N
Grab Comp. Duration
Sample I X
1
Sample 2
0'
6
a
n n
lardness (mg/1)
48
Spec,Cond.(ltmhos)
190
112
Chlorine(mgll)
6 ,;.
0.01
Sample temp. at receipt
1
77
2.•t
6.2$
%
12.$
%
25 %
$� %
%
%
%
%
0 %
%
0
%
0 %
0 %
IiA
%
%
%
%
LC50 = >100% % Mcthod of Determination
95% Confidence Limits Moving Average 1'rabit
% Spearman Karber Ohhcr X
Organism 'tested Ccriodaphnia dubia Duration (his) 24
Corn• DWO form AT -I f31871 rev. 11195
ConCCntTfluon
Mortality
T
Note: Vlcmc
Complctc This
Section Also
Starticnd Starticnd
6,93 7,01 Control 8.6 8.4
6.72 1
6.74 High
pH Cone. 13.0.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/04/19
Facility Piedmont Triad Airport Authority NPDF,S#NC S000508 I'ipc# IS#06 County Guilford
Laboratory performing "test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwater Effluent
Signal irj of Op a�Rnsiblc Charge RAL #59782-10
X
Sig ure oyLfibordtoSupervisor
ronmental
MAIL ORIGINAL TO: Dily� Of Water Quality Scicrices Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina_C,;erinrlgghnia Chrnnicpati,JFail Rc rnduction'i'uxici[v'I'esl
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
E fluent%
TREATTMENT 22 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
2nd sam le
s
t e
a n
r d
t
Ist sample Ist sample 2nd sample
Control
D.O.
1'reatmenl 2
I.C50/Acute'Toxicit,vTest
(Mortality expressed as %, combining replicates)
Com letc This For Either'Test
Test Start Date
12 /
03
/
18
Collection
(Start) Date
Sample 1
12/02/18 Sample 2
Sample 'Type/Duration
Grab Comp. Duration
J
�_
C
'hr',
C
Sample I
X
G
r'
Sample 2
Hardness (m61i)
48
Spcc.(;ond.(pmhos)
190
120
Chlorinc(mgA)
0.01
Sample temp. at receipt
2.4
0 %
6,25
%
1 12.5
%
25 %
50 %
100 %
%
%
!°
t1 %
0
%
o
%
a %
o %
o %
%
%
LC50= >IUO% % Method ofDetermination
95% Confidence Limits Moving Average Prohit
% Spearman Karbm Other X
Organism Tested Ceriodaphnia dubia Duration(hrs) 24
Copy DWQ form AT-1 (3/87) rev. 105
onccntration
Mortality
Note: Please
Complctc This
Section Also
StarVend
Starthond
6,93
7,01
Control
8.6
HA
6.71
6.77
high
PH
Conc. D.Q.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 12104/18
Facility Piedmont Triad Airport Authority NPDES#NC S000508 Pipe# IS#07 County Guilford
Laboratory Performing "lest Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwater Effluent
Signa is of ator ' esponsible Charge RAL 159782-11
X
Sig ate o L ratory Supervisor
MAIL ORIGINAL TO: Div. Of Water Quality 5 Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Re s2rroduction Toxicity_Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
F'fllucnt%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1 st sample Ist sample 2nd sample
Control
D.U.
'Treatment 2
I_C50/Acu1e Toxicity'Tcst
(Mortality expressed as %, combining replicates)
Camp]ete'1'his For Either'I�est
Test Start Date
12 /
03 /
18
Cnllcction {Stan) Date
Sample ! 12/02/18 Sample 2
sample TyWDuration
Grab Comp. Duration
Sample I X
C
G
Sample 2
a'
�
a
n
'E
Hardness (mg/1)
48
Spcc.Cond.(µmhos)
190
33
Chlorine(mg/1)
0.(A
Sample temp. at receipt
2.4
0 %
6.25
%
12.5 %
25 %
50 %
100 %
%
%
°e
%
0 %
0
%
1 0 %
0 °/
0 %
0 %
LC50= >100% % MethodarDcterminalion
95% Confidenec i.iM.its Moving Average Probit
%- % Spearman Karbcr Other a
Organism "Tested Ccriodaphnia dubia Dum ion (hrs) 24
Copy DWQ form AT-1 (3187) rev. 11/95
Concentration
Mortality
T
Note: Please
Completc ,rhis
Section Also
Start/cnd Start/cnd
6.93 7.01 Control 8.6 8.4
6.94 1 7.02 1 high 1 8-0 1 7.8
PH Cone, D-O,

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 12/04/18
Facility Piedmont Triad Airport Authority NI'I)I:SHNC S000508 Piped 1SMA County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwatcr Effluent
Signat of O for i csponsible Charge RAL #i59782-12
X
Sig urc a a tory Supervisor
MAIL, ORIGINAL TO: Div' Of w ter Quality iences Branc
N.C. DCNR
1621 Mail Service Center
Raleigh, NC 27699-1621
North CarolinaCerindaphnia Chronic Pass/Fail Reproduction'I'oxicit}''Pes
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
4 Young Produced
Adult (L) ive (D) cad
I- flluent%
TRI:ATMLN-r 2 ORGANISMS
4 Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
— I d
1st sum le I st sum le 2nd sam le
s s s
1st sample 1st sample 2nd sample
Control
D.O.
Treatment 2
LC50/Acute Toxicity 'Pest
(Mortality expressed as %, combining replicates)
Cam fete "Phis For Hither Test
'test Start Date
12 /
03 /
18
Collection (Start) Date
Sample 1 12102118 Sample 2
Samplc'f) pW!Ouration
N
Grah Comp. Duration
a
J
Sample I X
C
� Q
Sample 2
0'
a
n
n
Hardness (mgll)
48
Spec.Cond.(prnhos)
190
58
Chlorine(mgll)
0.01
Sample temp. at receipt
2.4
0
%
6.25
%
12.$ %
25 %
50 %
100 %
%
%
%
%
0
%
0
%
0 %
0 %
0 %
0 %
%
%
LC50 = >100% % Method of bctermination
.........................................
9 5 % Confidence Limits Moving Average Probit
% Spearman Karber Other X
Organism Tested Ceriodaphnia dubia Duratiun (hrs) 24
Copy DWQ Tarrn AT•1 (3187) rev. 11195
Concentration
Mortality
T
Notc: Pleasc
Camplctc'l his
Section Also
Suawmid Stargend
6.93 7.01 1 Cantrol 8.6 8.4
6.87 6.85 High 8.0 7.9
nti Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 gate 12/04/18
Facility Piedmont Triad Airport Authority NPDES#NC S000508
Laboratory Performing Tcst Research & Analytical Laboratories, Inc.
X
of
X
Charge
sor
11ipe4 IS#lo County Guilford
Comments: A Pilot Environmental Project
Slormwater Effluent
RAI, #i59782-13
Scn
MAIL ORIGINAL TO: Div. l Of W tea Qulae ty s Branch
N.C. DE"NR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerinda hnin Chronic Pass/Fail Reproduction ToxiciE "Pest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Eftlucnt%
TRLATML9r 2�O,RGGAANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Isis pie Isisam Ic 2nd sam le
t c t e t r
1st sample 1st sample 2nd sample
Control
1).O.
Treatment 2
LC50/Acute Toxicity "Pest
(Mortality expressed as %, combining replicatcs)
Com letc This I -or Either Test
'Pest Start Date
12 /
03 /
18
Collection (Stan) Date
Sampie 1 12/02/18 Sample 2
SamplcType/Duration
Grab Comp, Duration
u
Sample I X
s n
Sample 2
�
re
I Iardnss (moll)
48
Spcc.Cond.(µrnhos)
190
74
Chlorinc(mgn)
0.01
Sample lemp, at receipt
2.4
0 %
6.25
%
12.5 %
25
%
50 %
100 %
%
°/a
%
%
LC % Method of Determination
........................................
95% Conedence Limits Moving Average Prohit
% Spearman Karber Other h
Organism Tested Ceriodaphnia duhia Duration (hrs) 24
Copy UWQ farm A7--1 (31N7) rcv. 11193
Concentration
tutorial ity
T
Note. Please
Complew'lhis
Saaion Also
Siart/end Start/end
6,93 1 7.01 1 Conlrol F8.6 F 8.4
6,84 1 6,87 High 1 8,1 8.1
pit Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 12/05/18
Facility Piedmont Triad Airport Authority NPDBS#NC S000508 Pipc# IS#1I County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc: Comments: A Pilot Environmental Project
X Stormtrater 13fflucnt
Signat of Op r in spansible Charge RAI. #59782-14
X
Sig urc f L b tory Supervisor
MAIL ORIGINAL TO: Di�v.tronmental Of Water QualiScity s ranch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
Effluent%
TRE;ATML'NT 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
st sam le
[E]
[ C
a n
r d
t
1 st sam le
s
I C
a n
r d
1
2nd sampie
s
t C
u n
r d
t
Is[ sample 1st sample 2nd sample
Control
D.O.
Treatment 2
LC501AeutcToxicityTest
(Mortality expressed as %, combining replicates)
Com lete This For F.ither'I'cst
Test Start Date
12 /
w
18
Collection (Start) Date
Sample 1 12/02/18 Sample 2
5, amt�I,_cj'Spclf)uration
IJ
Grab Comp. Duration
�,
a
O T
O
Sarnple I X
G
Sample 2
0'
n
❑
n
n
I lardness (moll)
48
5pcc.Cond.(prnhos)
190
157
Chlorine(mbll)
U.03
Sample temp, at receipt
2.4
0 %
6.25
%
12.5 %
25 %
50
%
100 %
%
in
%
%
0 %
0
%
0 %
0 %
0
%
0 %
%
%
%
°i
LC50 = >100% % Mclhod of Determination
...............i.mi......................
95%Confidence Lts Moving Average Probit
%- % Spearman Karher Other X
Organism Tested Ccriodaphnia dubia Duration(hrs) 24
Copy DWQ form AT.1 (3/117) rcv. 11195
Concentration
T
Mortality
Note: Meuse
Complete 'I his
Section A15o
StarVcnd
StarVcnd
6,93
7,01
Con1ru1
8,6
1 8.4
6.79
6.83
High
PH
Conc. D.O

RESEARCh & ANA1yTICA1
LAbORATORiES, INC. CHAIN OF CUSTODY RECORD
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RESEARCh & ANA1yTiCA1
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National Weather Service : Observed Weather for past 3 Days : Greensboro. Piedmont Tr... Page I of 4
weather.gov
Greensboro. Piedmont
Triad International
Airport
;
Enter Your
"City. S"I"' or zip
code
Go
metric en es ariol
[)
Temperature ff)
Pressure Precipitation
a Time
Wind
Vis.
Sky
Relative
Wind
Heat
(in.)
t (est)
(mph)
(mi.)
Weather Cond.
6 hour
Humidity
Chill
Index
F)
i
altmeter
sea
e
Air
Dwpt
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(o
(�n)
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Max. Min.
(mb)
02 08:54
Calm
0.50
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44
44
100%
NA
NA
29.77
1008.1
02 07:54
Calm
0.50
Fog/Mist OVC002
43
43
100%
NA
NA
29.76
1007.9 0.01
02 06:54
N 6
0.75
Fog/Mist OVC002
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43 44 43
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39
NA
29.77
1008.3 0.02
02 05:54
Calm
1.75
Light OVC002
43
43
100%
NA
NA
29.77
1008.0
Drizzle
Fog/Mist
02 04:54
Vrbl 5
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Light OVC002
43
43
100%
40
NA
29.76
1007.7 0.01
Drizzle
Fog/Mist
02 03:54
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Light OVC002
43
43
100%
40
NA
29.76
1007.8 0.0E
Drizzle
Fog/Mist
02 02:54
NE 7
1.25
Light OVC002
44
44
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40
NA
29.77
1009.2 0.01
Drizzle
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02 01:54
N 5
1.75
Light OVC002
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44
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41
NA
29.80
1009.2
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02 00:54
Nl3 8
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44
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39
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29.79
1008.7 0.09
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01 23:54
NE 8
1.75
Fog/Mist OVC002
44
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39
NA
29.83
1010,1
01 22:54
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Fog/Mist OVC002
45
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29.84
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01 21:54
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1.50
Light OVC002
46
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41
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Rain
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01 20:54
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Light OVC003
46
46
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42
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44
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01 15:54
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49
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46
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29.95
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Rain
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01 14:54
NE 8
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Fog/Mist OVC003
51
51
100%
NA
NA
29.96
1014.5
http://w l .weather.gov/data/obhistory/KGSO.htmi 12/2/2018

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 2 of'4
01 13:54
NE 8
1.00 !right
OVC002
50
50
100%
47
NA
29.98
1015.1 0.01
Rain
Fog/mist
01 12:54
N1 9
2.00 Light
13KNO05
50
50 58 50
100%
46
NA
30.04
1017.0 0.04 0.04
Stain
13KN095
Fog/Mist
OVC250
01 1 1:54
NE 7
5.00 Fog/Mist
13KNO95
55
51
87%
NA
NA
30.07
1019.1
01 10:54
Calm
10.00 Overcast
FE W030
58
48
70%
NA
NA
30.09
1018.3
IIKNO80
OVC250
01 09:54
16
10.00 Overcast
13KNO80
56
50
81%
NA
NA
30.07
1017.9
OVC250
01 08:54
L' 3
8.00 Overcast
OVC075
54
51
90%
NA
NA
30.07
1018.0
01 07:54
t:6
6.00 Fog/Mist
OVC065
53
51
93%
NA
NA
30.07
1018.0
01 06:54
SE 3
8.00 Overcast
OVC065
52
52 54 52
100%
NA
NA
30M6
1017.7
01 05:54
E 3
9.00 Overcast
OVC060
52
52
100%
NA
NA
30.06
1017.5
01 04:54
Calm
10.00 Overcast
OVC070
53
51
93%
NA
NA
30.05
1017.2
01 03:54
S 3
10.00 Overcast
OVC060
52
51
97%
NA
NA
30.05
1017.3
01 02:54
Calm
10.00 Overcast
F1 W048
53
51
93%
NA
NA
30.06
1017.4
l3 KN 070
O VC095
01 01:54
SW 5
8.00 Light
PI WO80
53
51
93%
NA
NA
30.05
1017.1
Stain
OVC100
01 00:54
SW 7
10.00 Overcast
FEW010
54
51 59 54
90%
NA
NA
30.06
1017.5
13 KN 073
13 KN 095
OVC230
30 23:54
SW 6
10.00 Overcast
FEW010
55
52
90%
NA
NA
30.07
1017.9
SCl'075
OVC090
30 22:54
SW
10.00 Overcast
OVC(111
56
53
90%
NA
NA
30.07
1018.0
12
30 21:54
SW 8
10.00 Overcast
13KNOI2
56
54
93%
NA
NA
30.07
1018.1
IIKNO50
OVC 100
30 20:54
SW
10.00 Overcast
SCT055
57
53
87%
NA
NA
30.07
1017.9
10
OVC075
30 19:54
SW 8
10.00 Overcast
13KN065
57
53
87%
NA
NA
30.04
1017.2
OVC100
30 17:54
SW 8
10.00 Overcast
13KN075
60
53
78%
NA
NA
30.03
1016.6
13KN110
OVC250
30 W54
SW 9
10.00 Overcast
13KNO55
61
53
75%
NA
NA
30.01
1016.2
I3 KNO90
OVC250
30 15:54
SW
10.00 Mostly
FEW035
fit
53
73%
NA
NA
30.00
1015.7
12
Cloudy
13KNO65
13 KN095
30 14:54
W 8
10.00 Overcast
FEW040
63
52
68%
NA
NA
29.99
1015.2
IIKNO70
OVCI 1O
30 13:54
W 14
10.00 Mostly
FE:;W040
63
51
65%
NA
NA
29.99
1015.2
Cloudy
SCT065
http://wI.weather.gov/data/obhistory/KGSO,htmi 12/2/2018

National Weather Service : Observed Weather Ior past 3 Days : Greensboro, Piedmont Tr... Page 3 of 4
RKNI00
BKN200
30 12:54
SW 9
10.00 Mostly
FEW040
63
50
63 42
63%
NA
NA
30.00
1015.7
Cloudy
SCi'070
BKN110
13KN250
30 11:54
SW 9
10.00 Mostly
17FW055
57
47
69%
NA
NA
30.02
1016.5
Cloudy
S0'080
BKN110
BKN250
30 10:54
SW
10.00 Overcast
FI W060
54
46
75%
NA
NA
30,05
1017.4
14
RKNI 10
OVC250
30 09:54
SW
10.00 Mostly
171 W055
51
44
77%
NA
NA
30.04
1017.2
12
Cloudv
BKNI10
13KN250
30 08:54
SW 9
10.00 Mostly
SCC060
48
42
80%
44
NA
30.04
1017.2
Cloudy
13KN110
I3KN250
30 07:54
SW 3
10.00 Overcast
13KN090
45
40
83%
NA
NA
30.03
1016.9
OVC I I()
30 06:54
Calm
10.00 Mostly
SCf 100
41
36
46 39
820/1,
NA
NA
30.03
1017.1
Cloudy
BKN250
30 05:54
Calm
10.00 Partly
SCI'200
43
35
74%
NA
NA
30.03
1017.0
Cloudy
30 04:54
SW 5
10.00 A Few
FEW 100
41
35
79%
38
NA
30.03
1016.8
Clouds
30 03:54
S 5
10.00 Overcast
OVC095
45
36
71%
42
NA
30.03
1017.0
30 02:54
SW 3
10.00 Overcast
OVC055
45
36
71%
NA
NA
30.05
1017.5
30 01:54
SW 6
10.00 Light
13KNO65
45
36
71%
42
NA
30.05
1017.4
Rain
OVC085
30 00:54
SW 8
10.00 Light
1,FW038
46
33
48 43
61%
42
NA
30.06
1017.9
Rain
13KN055
OVC080
29 23:54
SW 8
10.00 Overcast
SCC031
47
30
52%
43
NA
30.07
1018.2
OVC050
29 22:54
S 7
10.00 Overcast
OVCO25
46
28
50%
42
NA
30.07
1018.3
29 21:54
S 5
10.00 Mosth,
17EW035
45
26
48%
42
NA
30.07
1018.5
Cloudy
SCh055
13 KN 085
13KN250
29 20:54
SW 6
10.00 Overcast
F1 W035
44
27
51%
41
NA
30.08
1019.1
IIKNO60
13KN090
OVC250
29 19:54
S 8
10.00 Overcast
13KNO80
46
25
44%
42
NA
30.07
1018.7
OVC250
29 18:54
S 8
10.00 Partly
FEW090
44
24
53 44
45%,
39
NA
30.08
1019.0
Cloudy
SCl'250
29 17:54
S 7
10.00 Mostly
SC1'075
47
23
39ON,
44
NA
30.07
1018.6
Cloudy
13KNO95
13KN250
29 16:54
S 5
10.00
50
22
33%
48
NA
30.06
1019.3
http://wl.weather.gov/data/obhistory/KGSO.html 12/2/2018

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 4 oi'4
Mostly
13KN090
Cloudy
13KN250
29 15:54 SW 8 10.00 Mostly
13KN090
51 21
31%
NA
NA
30.06
1018.1
Cloudy
29 14:54 W 8 10,00 A Few
1•'I::W090
53 22
30%
NA
NA
30.03
1017.1
Clouds
l-TW250
29 13:54 S 5 10.00 A Few
17k W090
51 21
31%
NA
NA
30.05
1017.9
Clouds
FE:W250
29 12:54 W 3 10.00 A Few
FE;W 160
50 21 50 25
32%
NA
NA
30.08
1018.8
Clouds
17 W250
29 1 1:54 W 6 10.00 A Few
FT W 100
47 20
34%
44
NA
30.09
1019.5
Clouds
FE;W250
29 10:54 Vrbl 6 10.00 A Pew
FI;W080
44 21
40%
41
NA
30.13
1020.7
Clouds
F13W250
29 09:54 SW 7 10.00 Parth,
FEW120
38 21
51%
33
NA
30.14
1021.1
Cloudy
SCT250
Max. Min.
altimeter
sea
Air Dwpt
Wind
Heat
(in.)
level I hr 3 hr 6 hr
a Time Wind Vis. Weather
Sky
6 hour
Relative
Chill
Index
(mb)
t (est) (mph) (mi.)
Cond.
Humidity
() H.)
(�. u
)
Precipitation
e
Temperature (°F)
Pressure
(in.)
National Weather Service
Back to preyic us page
I_asl ModiIied: 1,ebuary. 7 2012
Southem Region Headquarters
Privacy
Policy
Fort Worth, Texas
Disclaimer
http://wl.weather.gov/data/obhistory/KGSO.htm] 12/2/2018

RECEIVED
To: North Carolina Department of Environmental Quality JAN 0 2 2019
Division of Energy Mineral and Land Resources
(original Attn: Central Files pWRL FILES
& 1 copy) 1617 Mail Service Center SECTION
Raleigh, NC 27699-1617
Discharge Monitoring Report
Facility Name: Piedmont Triad International Airport Permit: NCS000508
County: Guilford Phone: [phone]
Person Collecting Sample: B. J. Lineback; Pilot Environmental, Inc. (3361 310-4527
Certified Laboratory(s): Research and Analytical Laboratories, Inc. Lab #: 34
Lab #:
Date of Sample Collection: November 24, 2018
Schedule (NPDES 2): Season 9 (year)
Period - (quarter)
Event 2 (deicing)
Tier Two - (month)
ADF Applied (if applicable): 930 gallons on November 24, 2018
_ 0 gallons on November_23, 2018
350 gallons on November 22, 2018
Total Event Precipitation: 0.61 inches on November 24, 2018
0.00 inches on November 23, 2018
0.00 inches on November 22, 2018
Routine, Deicing Event, and/or Tier Two Analytical Monitoring Results Attached
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.
12/17/18
..............
Signature: Date:
https://projects. rnbokercorp. com/PT/A/Lis is/DMRsIA /lftems. aspx

.APT/
WONONT Tq[Ap INTFRNATIONAI AIRMPI
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
NPDES Permit: NCS000508
Pagel of 2
Lineback
investigator: 336.708.4655
forgui once on completing this ,;, c
portion of thisform, visit
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htWp; � c `o
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By this signature, I certify that this report is accurate and complete to the best of my knowledge:

RESEARCH & ANAiyTiCA[
LAb®RAT®RiESF INC.
Q � Q
For: Pilot Environmental
PO Box 128
Kernersviile, NC 27285
Attn: BJ Lineback
Report of Analysis
12/6/2018
1,+�►u�riirr
ch NC 434 O' to .
w
NC 137701
Client Sample ID: SOO 004 Lab Sample ID: 59505-01
Site: Pilot Environmental Collection Date: 11/24/2016 13:59
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 0.158 mg/L 0.1 FK 11/2712018
BOD-5 SM 5210 B-2001 160 mg/L 2 HW 11/26/2018 1141
COD EPA 410.4 261 mg/L 5 HW 12/512018
Client Sample ID: SOO 024 Lab Sample ID: 59505-02
Site: Pilot Environmental Collection Date: 11/24/2018 12:08
Parameter Method Result Units Reg Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0.1 FK 11/2712018
BOD-5 SM 5210 B-2001 109 mg1L 2 HW 11/26/2018 1141
COD EPA 410A 161 mg/L 5 HW 12/5/2018
Client Sample ID: SOO 026 Lab Sample ID: 59505-03
Site: Pilot Environmental Collection Date: 11/24/2018 12:20
Parameter Method Result Units Rep Limit Analyst Analysis Date/Time
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0.1 FK 11/27/2018
BOD-5 SM 5210 B-2001 3.59 mg1L 2 HW 11/26/2018 1141
COD EPA 410.4 19 mg1L 5 HW 12/5/2018
Client Sample ID: SOO 027 Lab Sample 10: 59505-04
Site: Pilot Environmental Collection Date: 11/24/2018 12:31
Parameter Method Result Units Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997 <0.1 mg/L 0.1 FK 11/27/2018
P.O. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] awwv.randalabs.com Page 1
ral coal basic v1Ci

�ESEARCh & ANA1YYiCA1
Report of Analysis
LAbORATORIESQ INC.
9�1
12/6/2018
Client Sample ID:
Lab Sample ID:
Site:
Collection Date: 12:31
Parameter Method
Result
Units
Rep Limit Analyst AnalysisDate/Time
BQD-5 SM 5210 B-2001
<2
mg1L
2 HW 11/26/2018 1141
COD EPA 410.4
6
mg/L
5 HW 12/5/2018
Client Sample ID: SDO 030
Lab Sample ID: 59505.05
Site: Pilot Environmental
Collection Date: 11/24/2018 12:39
Parameter Method
Result
Units
Rep Limit An_ alyst Analysis flatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997
<0.1
mg1L
0.1 FK 11/27/2018
BOD-5 SM 5210 B-2001
2.76
mg/L
2 HW 11/26/2018 1200
COD EPA410A
17
mg/L
5 HW 12/5/2018
Client Sample ID: SDO 033
Lab Sample ID: 59505-06
Site: Pilot Environmental
Collection Date: 11/24/20i8 13:07
Parameter Method
Result
Units
Rep Limit Analyst Analysis DatelTime
Ammonia Nitrogen SM 4500 NH3 D-1997
<0.1
mg1L
0.1 FK 11/27/2018
BOD-5 SKI 5210 B-2001
<2
mg/L
2 HW 11/26/2018 1200
COD EPA 410.4
<5
mg/L
5 HW 12/5/2018
NA = not onolyzed
P.Q. Box 473 106 Short Street Kernersville, North Carolina 27284 Tel: [phone] Fax: [phone] www.randalabs.com Page 2
ral coa basi4 vId"

RESEARCh r& ANA[yTICA1
ssusuprrp
'''""ff4f} rr''•
QpQ LAbORAYORIES INC.
i xf
©Q Anoiyllcoi/Process Consuitollons
December 6, 2018
Pilot Environmental, lnc.
P.O. Box 128
Kernersville, NC 27285
Attention: B.J. Lineback
Project Name: NCS000508 Discharge Monitoring (Y9P-E2T-)
1• EPA Method 8015
Quantitation
SDO 004
SDO 024
SDO 026
SDO 027
SDO 030
SDO 033
Limit
Results
Results
Results
Results
Results
Results
Parameter
{me/L)
(me/L)
m ZIC
(melt)
(mg/L)
(m2IL)
img/L)
Ethylene Glycol
10.0
10
10
BQL
BQL
BQL
BQL
Propylene Glycol
10.0
107
180
BQL
BQL
BQL
SQL
Sample Number:
59505-01
59505-02
59505-03
59505-04
59505-05
59505-06
Sample Collected Date:
11/24/18
11/24/18
11/24/18
1 1/24/19
11/24/18
11/24/18
Sample Collected Time (Hrs):
1359
1208
1220
1231
1239
1307
rng/l. = milligrams per Liter = parts per million (ppm) BQL — Below Quantitation Limit

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 11/26/18
Facility Piedmont "triad Airport Authority NPD13S#NC S000508 Pipe# SDO (104 County ' Guilford
Laboratory Performing Test Research & Analytical Lahoratorics, Inc. Comments: A Pilot 1:nvironmcntal Project
X Ston-nwater Effluent
Signat e o for in Responsible Charge RAL #59505-01
x
Sig atur oh Laboratory Supervisor
MAIL ORIGINAL TO: Div�Of W ter Quality ciences Branch
N.C. DEN R
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnin Chronic Pass/Fail Reproduction Toxicity pest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 1tl 11 12
it Young Produced
Adult (L) ivc (D) cad
Bnlucnt% I
TREA'I'MEN'I' 22 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist Sam Ic Ist Sam Ic 2nd sam le
H] Ell
5 %*s
1 c I C [ C
a n a n a n
r d r d r d
Ist sample Ist sample 2nd sample
Control
U.U.
'1'reatment 2
1.C50/Acutc Toxi6Iy Tcst
(Mortality expressed as %, comhining replicates)
omplete This For Either Test Tcst Start Date
I / 25 / 18
Collection (Startl Date
Samplc 1 11/24/18 Sample 2
Sample 'Type /Duratinn
Grab
Sample 1
Sample 2
Comp.
Duration
N
n
'1
o — o'
� � n
Ilardness (rng1l) 48
Spec. Cond.(pmhas) 188 2l2
Chlorinc(mg/l) ,-� 0.01
Sample temp. al receipt 3.3
0 % 6.25 % 12.5 % 25 % 50 *; 100 % %% % °o
0 % 0 % 0 % 0 % 0 % 0 % % % % %
LC50 = >100% % Method of Detcrminatinn
95% Confdcncc limits Moving Average t'robit
Spearman Karbct Other X
Organism "Tested Ceriodaphnia dubia Durution (hrs) 24
cupy uw[1 Juan A r-I (3187) rcv, 11195
Concentration
Mortality
Note: Plcusc
Cumplete'I'his
Section Also
S[ar1/cnd Stan/cnd
6,96 6,98 Control 8.6 8.5
7.35 7.30 high 8.S 8.5
p11 Conc. D,O,
Ilardness (rng1l) 48
Spec. Cond.(pmhas) 188 2l2
Chlorinc(mg/l) ,-� 0.01
Sample temp. al receipt 3.3
0 % 6.25 % 12.5 % 25 % 50 *; 100 % %% % °o
0 % 0 % 0 % 0 % 0 % 0 % % % % %
LC50 = >100% % Method of Detcrminatinn
95% Confdcncc limits Moving Average t'robit
Spearman Karbct Other X
Organism "Tested Ceriodaphnia dubia Durution (hrs) 24
cupy uw[1 Juan A r-I (3187) rcv, 11195
Concentration
Mortality
Note: Plcusc
Cumplete'I'his
Section Also
S[ar1/cnd Stan/cnd
6,96 6,98 Control 8.6 8.5
7.35 7.30 high 8.S 8.5
p11 Conc. D,O,
LC50 = >100% % Method of Detcrminatinn
95% Confdcncc limits Moving Average t'robit
Spearman Karbct Other X
Organism "Tested Ceriodaphnia dubia Durution (hrs) 24
cupy uw[1 Juan A r-I (3187) rcv, 11195
Concentration
Mortality
Note: Plcusc
Cumplete'I'his
Section Also
S[ar1/cnd Stan/cnd
6,96 6,98 Control 8.6 8.5
7.35 7.30 high 8.S 8.5
p11 Conc. D,O,

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont
Laboratory Perform ing'I'est Research & Analytical Laboratories, Inc.
X
Signatyle of �p ratoyin Responsible Charge
X
Supervisor
Date 11/26/18
Pipe# 5DO024 County Guilfiird
Comments: A Pilot Environmental Project
Stormwater E(llucni
RAI, #59505-02
MAILORIGINAL To. EnvronmentalDivlOf Water Oual ty Sciences Brant
N.C. DINR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodanhnia Chronic I'asslhail Reproduction Toxicitv'fest
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 t0 I l 12
# Young Produced
Adult (I.) ive (D) cad
Elllucnt%
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L.) ive (D) cad
pit
Control
'treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1st sam le Ists, 1 le 2nd sam le
s s s
t C t C t C
a n a n a n
r d r d r d
t t t
1st sample I st sample 2nd sample
Control
D.O.
'1'rcatment 2
.CS(_1/Acute Toxicity 'lest
(Mortality expressed as %, combining replicates)
!Complete This For Either Test
Pest Stan Date
11 /
25. /
18
Collection (Start] Date
Sample 1 1 IP-4118 Sample 2
Sample Type/Duration
IJ
iirah
Comp.
Duration
0 % 6.25 % 12,5 %25 % 50 too % % % % 90
LC50= >100% % Method ol'Delcrmination
........................................
95% Confidence Limits Moving Average Prohit
%- % Speannan Karbet 0 other X
Organism Tested Ccriodaphnia dubia tAoation (hu) 24
Copy UWQ form AT-1 (3187) rcv. t 1/95
Concentration
Mortality
T
Note: ['least
Complete This
Section Also
Start/end
Start/end
6.96 ().98 Cunuol
7.42 7.44 t[igh 8.a 8A
p! I Conc. D.U.
LC50= >100% % Method ol'Delcrmination
........................................
95% Confidence Limits Moving Average Prohit
%- % Speannan Karbet 0 other X
Organism Tested Ccriodaphnia dubia tAoation (hu) 24
Copy UWQ form AT-1 (3187) rcv. t 1/95
Concentration
Mortality
T
Note: ['least
Complete This
Section Also
Start/end
Start/end
6.96 ().98 Cunuol
7.42 7.44 t[igh 8.a 8A
p! I Conc. D.U.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont "triad Airpon Authority NPDES#NC S000508
Laboratory 11crrorming "test Research Sr. Analytical Laboratories, Inc.
X
in RA onsiblc Charge
Supervisor
Date 11/26/18
pc# SI)0026 County Guilford
Comments: A Pilot Environmental Project
Siormwater I:lilucni
RAI, 459505.03
MAIL ORIGINAL TO: Div.tronmental Water Wer Scien
Quai ty s Branch
N.C. DEN R
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriadaj2lrnia Chronic Pass/Pail R nroduction Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 t) 10 11 12
# Young Produced
Adult (L) ivc (D) cad
liff]uent% J
TREATMENT 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
PH
Control
'I'MatMent 2
1 2 3 4 5 6 7 8 9 Ill 11 12
Ist sam Ic Ist sam Ic 2nd sam Ic
5 5 S
r C t C t C
Ist sample Ist sample 2nd sample
Control
D.O.
Treatment 2
1.C50/Acute Toxicit,L
(Mortality expressed as %, comhining replicates)
'omplcle This I:or lather Tcs1 Test Start Date
11 / 25 / 18
Collection StartDate
Sample 1 1 1124/18 Sample 2
NaLuplc�l•ypelDurnl ion
a
Grab Comp. Duration _ E a
w
a' p'
Sample I X G
Sample 2 0' n
a % n
Hardness (mg11)
48
Spcc,Cond,(pmhos)
18R
R3
C:hlorinc(mg/l)
'� Yqr
4
Sample temp. at receipt
?=;;
�3.3
0
%
6,25
50
12.5 %
25 %
50
%
IDD
LC50 = >100% % Method of Dcterrnination
.........................................
95% Confidence Limits Moving Average Prohit
11 %Spearman Karher Other i
Organism 'rested Ceriodaphnia duhia 1]ur31ion (hrs) 24
Copy DWQ form AT.1 (3197) rcv, I It95
Concentration
Mortality
T.
Notc: PIC=
Complete This
Section Also
Start/cnd Start/Lnd
6.96 6,98 Cannol R.6 8.5
7.27 7.26 High R.5 8.4
PH Conc. D.0)

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Dale 11/26/18
Facility Piedmont "Triad Airport Authority NPDE'S#NC S000508 Pipe# SD0027 County Guilford
Laboratory Performing Test Research &, Analytical Laboratories, Inc. Comments: A Pilot I:nvironniental Project
X Stormwatcr Effluent
Signatur fOpera r'n Rc' onsible Charge RAL #59505-04
r
Signa c of .ab ra ory Supervisor
MAIL ORIGINAL TO. Dil Of w ter Quality
tySciences Branch
v
N.C. D13NR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerrodanhnra Chronic Pass/Fail Reproduction Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
lafluem% �— I
TRE:A'l MI:N't' 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
pll
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1 st Sam le
5
t c
a n
r d
t
l st sam le
S
t c
it n
r d
t
2nd sam Ic
ti
t e
a n
r d
t
1 St sample I st sample 2nd sample
Control
D.O.
Treatment 2
1.C501Acutc'I'oxicity Test
(Mortality expressed as %, combining replicates)
Complete This For I;ithcr'I'cst
'Petit Start Date
11 /
25
/
18
Collection (Stan) Date
Sample 1 11/24/18 Sample 2
Samplc Type/Duralion
Grab Comp. Duration
O
T
D
Sample 1 X
G
�
"
LA
Sampic 2
hardness (mg/1)
48
Spec. Cond.(µmhos)
188
Chlorinc(mglt)
"'; ; <.;Sample
404
temp, at receipt
0 %
6.25
%
12.5 %
25 %
50 %
100 %
% %
%
0 %
0
%
1 U %
0 %
0 In
0 %
%%
° n
LC50 = >100% % Mcthod of Determination
95%Confidence limits Moving Average Prohit
%- .... % 5peamlan KarbcT Q Other ............. X.... .. .
Organism 'Tested Ceriodaphnia duhia Duralion (his) 24
Copy DWQ form AT-1 (3fV) rcv, 11/95
Concentration
T
Mortality
Now: Please
comptel0bis
Section Also
Slart/cnd
Slarticnd
6.96
6.98
Control
1 8,6 1
8.5
7.37
7.24
High
PH
Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 11/26/1.8
Facili[v Piedmont Triad Airport Authority NI'DI:S#N IC S000509 Pipe# SD003() County Guilford
Laboratory Performing'I'est Research & Analytical Laboratories, Inc. Comments: A Idol Environmental Pro'cct
X Stormwalcr EiTluen[
Signatur• rope [ Rlspo ible Charge RAI, #59505-05
�XA
Signat e n _ah ral Supervisor
MAIL ORIGINAL To; E'rivironmental Sciences Branch
N.C. DI NR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriadarihnia Chronic Pass/Fail Reproduction "Toxicity Test
CONTROL ORGANISMS l 2 3 4 5 6 7 8 9 [0 11 12
# Young Produced
Adult (L) ive (D) cad
I:11111L'n6o
TRI;ATMI-NT2 ORUANISMS
# Young 1roduced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sam le
HI
t C
a n
r d
I
1st sam le
IE
t C
a n
r d
2nd sam le
s
I C
a n
r d
I
Ist sample Ist sample 2nd sample
Control
D.U.
freatmcnt 2
LC50/Aculc Toxicily Tcst
(Mortality expressed as %, combining replicates)
Cora Ietc This For Either T est
'Pest Start Date
11 / 25 /
18
Collection
(Start) Datc
Sample 1
11/24118 Sample 2
S ampFc 'I'yptl[]uratinn
Grab Comp. Duration
ti
a
O T
O
Sample I
x
G U
a
Sample 2
a
n is
n
I ardness (rngll)
48 'ji 9 _012
Spcc.Cond.(}amhos)
E88 45
Chlorine(mg/l)
_ 0.02
Sample temp. a[ receipt
', 3.3
0 %
6.25
%
12.5 %
25 %
50 %
100 °/a
%
u6
%
Se
U /^
I o
%
I (1 'A
o %
0 'A 1
11 %
I %
I %
I %
I %
LC50= >100% % Mcthod of Dctermination
......................................... 6
95%Confidence Limits Moving AVCra a I'rohit
"o- % Spearman KarbLr tither X
Organism Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT-1 (3187) rcv. 11195
Concentration
T
Mortality
hate: I'Iease
Comptc1e1'1us
Seca ion Also
Stanfend
Start/cnd
6.96
6.99
Cunrrol
9.6
8.5
7.34
7.30
Eiigh
pit
Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Daic 11/26/18
Facility Picdmont'I-riad Airport Authority NPDHS#NC S000508 Pipc# SD0033 County Guilford
Laboratory Pcrforming'fest Research 8c Analytical Laboratories, Inc. Comments: A Pilot Environmental Project
X Stormwaler I?flluent
Signature f Ope in .
Sonsihle Charge RAI. 459505-06
na rc of LaorZgl Supervisor
MAIL ORIGINAL TO: DitvfOf Water Qua] ty s 13ranc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriadoehnia Chronic Pass/Fail Reproduction Toxicity Tcst
CONTROL ORGANIS MS 1 2 3 4 5 6 7 8 9 10 11 12
9 Young Produced
Adult (L) ive (D) cad
Hffluent%
TR13ATMt;NI' 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
D.0
Control
Treatment 2
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sample
1,C50/Acute Toxicity "Pest
(Mortality expressed as %, combining replicates)
1 st sam le
5
t c
a n
r d
t
1 st sample
2nd sam lc
S
l e
a n
r d
t
2nd sample
Com letc This For Either Test
'Pest Start Date
It /
25
/
18
Collection (Start) Date
Sample 1 11/24/18 Sample
2
Sample Type/Duralion
Grab Comp. Duration
t1
a
�r
a
Sample I x
G
"
C;
Sample 2
0'
Ilardness(mgll)
48
'r-
Spec.Uond.(µmhos)
"'
54
Chlorinc(mg/I)
r
L�
Sampletemp, at receipt
<';
E31
0 %
6.25
%
1 12.5 %
25 %
50 "-
100 %
%
%
%
%
0 %
0
%
I 0 %
0 %
0 %
11 %
%
%
1,00 = >100% % Method of Determination
...................................... .
95%Confidcnce Limits Moving Average Nohit
%- % Spearman Karber Other X
Organism Tested Ceriodaphnia duhia Duration (hrs) 24
Copy DWQ form AT-1 (3)87) rev. 11195
Concentration
T
Mortality
Note. 11Icase
Compleic l his
Swinn Also
SLtrticnd
Start/cod
6.96
6.98
Comm]
8.6
8.5
7.27
7.30
High
8.4
8,4
pf i
Conc. ll.0.

Effluent Toxicity Report Form - Chronic 111ass/Fail and Acute LC50 Date 11/26/18
Facility Piedmont "Triad Airport Authority NIIDES#NC S000508
Laboratory Performing Test Research & Analytical laboratories. Inc.
X
Signatur of Up • in sponsible Charge
X
s,ignafflrcof La or try Supervisor
Pipe# IS #01 County Guilford
Comments: A Pilot Environmental Project
Stormwater Effluent
RAL #59505-07
MAIL ORIGINAL TO . Div. Of Water Qual ty s Branc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindaphnia Chronic_frass/fail Reprnduction Toxicity Tess
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ive (D) cad
lifflucnl%
THE ATMEdNT 2 ORGANISMS
# Young Produced
Adull (I•) ivc (D) cad
PH
Control
1'rcatment 2
1 2 3 4 5 6 7 k 9 10 11 12
1st sam Ie 1 st sum lc 2nd sampie
s s s
t C 1 C [ l'
a n a n a n
1 st sample I st sample 2nd sample
Control
D.O.
1'reatment 2
LC50/Acute'I'oxicity 'test
(Mortality expressed as %, combining replicates)
Com Icle ThiN Nor Eilhcr'I'cs1
'Pest Start. Date
It /
25
Collection tStart) Date
Sample 1 11/24/19 Sample 2
Samplc Type/Duration
ZZ
t irah Comp. Duration
in
a
o'
o'
Sample 1 X
p
Lr.
Sample 2
0'
I lardncss (mg/1)
48
Spec.Cond,(limhos)
Ikk
72
Chlorinc(mg/t)
0.02
Sample lump, at receipt
i•i? w;
3.3
{l "J
6,25
%
12.5 %
25 °
50 %
100 °'j
%
°o °o
0 %
0
%
1 D -1
-0- %
0 %
0 %
%
% %
LC50 _ >100% % Melhod of Oelcrmination
95% ConfdenCC t.iml[S Moving Average Prohil
%- % Spearman Karber Olhcr X
Organism 'Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ form AT-1 (3197) rcv. 1 1/95
Conecntration
Mortality
T
Natc. Please
Comptcte'I'his
Section Also
Start/end Startlend
6.96 6,98 Control 9.6 1 k.5
7.31 7.22 High
pII Cone. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 11/26/18
Facility Piedmont Triad Airport Authority NI'DI:SHNC S000508 E'ipc# IS#02 County Guilford
Laboratory Performing Test Research A Analytical Laboratories, Inc. Comments; A Pilot E;m ironmental Project
X Stormwaier litlluent
Signatur Op i sponsible Charge RAL 459505-08
X
Signatdre OLaborfit4ry Supervisor
MAIL ORIGINAL TO: Ditv.tronmental Or Water Quality Sciences Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North CarolinaCerfndanhnia Chronic_PassA'ail Reproduction Tnxici! -'test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12 Calculated t
Tabular t_
i Young Produced % Reduction
Adult (L) ive (D) ead °/%Mortafity Av
1:1'11ucni%
'IREATMENf 2 ORGANISMS
if Young Produced
Adult (L) ivc (D) cad
pi{
Control
1'reatment 2
l 2 3 4 5 6 7 8 9 t0 11 12 Control CV
% control organisms
producing 3rd
st stunpie
s
t C
a a
r d
I
2nd sum le
s
1 C
a n
r d
I
PASS FAIL,
I Check One I
gm
niete This -For -Either Test Cost Start Date
11 / 25 / 18
Collection (Start) Date
Sample l 11124118 Sample 2
Samplc TypdDuratinn
Grab Comp Duration
Sample ! I X
Ist sample 1st sample 2nd sample Sample
Control
D. (3.
1'rcatment 2
LC501Acutc Toxicity Test
(Mortality expressed as %, combining replicates)
I lirdness (mg/1)
Spcc,Cond.(prnhos)
Chlorinc(mg/l)
Sample temp, at receipt
0
%/%
6.25
°!%
12.5
%%
25
O
50
%%
too
%
95
AE
LC50 = >100%% % Method of Detennination
....................
.........
95�'% Confidence Limits Moving Average Probil
%%- /% Spearman t:avbct Other h
Organism 'tested Ceriodaphnia dubia Duration (hrs) 24
-opy DWQ farm AT-1 (3187) rcv, 1 t195
rJ
•Y1 7
Fn �
Cn v:
C 7
p' tl Y]
7 R R
48
188 49
0.04
3.3
Concentration
T
Mortality
Note: Please
Campicte'this
Section Also
Stan/cnd
Slart/cnd
6,90
6,98
Control
8,6
9.5
7,34
7.31
High
1 8.4
9.2
nil
Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Piedmont "triad Airport Authority N
Laboratory Performing Test Research & Analytical Laboratories, Inc.
X
le Charge
Date 11/26/18
Pipe# IS#05 County Guilford
Comments: A Pilot i'sovironmentai Project
Stormwatcr Etlluent
RAL #59505-09
MAIL ORIGINAL TO: Div. Of Water Quality ences Branc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerind�hnia Chronic Pass/Fail Rc roduction'I'oxicily Tcst
CONTROL ORGANISMS 1 2 3 4 5 6 7 S 9 10 11 12
# Young Iroduced
Adult (L) ive (D) cad
l:ftlucnt%
TREATMENT 2 OWIANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
I St sam le 1 st sam le 2nd sam le
s s a
t C 1 C t C
a n a n a n
Ist sample Ist sample 2nd sample
Control
D.U.
Freatment 2
I .C5 0/Acute 'fox i c itv 'f cst
(Mortality expressed as %, combining replicates)
Complete '['his For HitherTest
Test Start Date
11 /
25
/
18
Collection (Start) Date
Sample 1
11124118 Sample 2
Samplc'fypdDurntion
z
Grab Comp. Duration
O
T,
O
Sample I
Y
p
=
U
Sample 2
0'
-6
n
n
I lardness (mg/l)
48
,
spCe.cond.(gmhos)
188
71
Chlnrine(mg/1)
O.f13
Sample tc rttp, at receipt
* �tv
3.3
0
%!°
6.25
96
12.5 �°
25 "'.
50
i°
1oo %
%
%
%
%%
0
0
%
1 0 %
0 %
0
%
0 %
"o
%
%
%%
LC50 = >100°/% %, Method of Determination
............. ....-...,
95°o Confidence Limits Moving Average Probit
°!%- % Spearman KurbLr Other X
Organism Tested Ccriodaphnia dubia Duration (hrs) 24
Copy DWQ farm ATl (3)87) rev, 11/95
Concentration
Mortality
T
Now Please
Complete'[ his
Section Also
StwVcnd Start/cnd
6,96 6.98 Control 8.6 8.5
1.32 7,32 1 1.1igh 8.4 1 8.3
VH Conc. D,t).

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50 Date 11/26/18
Facility Piedmont'Triad Airport Authority NPDES#NC S000508
Laboratory Performing "Vest Research & Analytical Laboratories,_ Inc.
X
Signatu of Qpc,Ka)pr in ponsiblc Charge
Supervisor
I'ipc# 1S#06 County Guilford
Comments: A INIol Environmental Project
Stormwater Effluent
RAL #59505-10
MAIL ORIGINAL TO. lliv.rronmentOf w ter Quality Sciences Branc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia. Chronic Pass/Fail Rcrlraduction Toxicity Test
CON'rROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (I.) ive (D) cad
E fflucnt%
1REA,l'MENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1st Sam Ic I st sam It: 2nd sampie
s s s
t C l C t C
1st Sample Ist sample 2nd sample
Control
D.O.
Treatment 2
1.C50/Acutc Toxici!y Tcst
(Mortality expressed as %, combining replicates)
Complete This For Either Test
'Test Start Date
11 /
25 /
18
Collection (Starr) Date
Sample 1
11/24/t8 Sample 2
Sample Type/Duration
Grah Comp, Duration
r
O T
O
Sample I
X
O
Sample 2
0'
o
n
n
Ilardness (mgA)
48
11
Spcc,Cond.(µmhos)
188
77
Chlorinc(mgll)
0.02
Sample temp. at receipt
3.3
0 %
6.25
%
1 12.5 %
25 %
50 %
100 %
%
%
%
%
0 10
0
%
0 %
0 %
0 %
0 °e
LC50 = > 100% % Method of Determination
95°/a Confidence Limits Moving Avcragc Probit
ale- % Spearman Karber 0 Other X
Organism Tcstcd Ceriodaphnia duhia Durution(hrs) 24
Copy DWQ form AT-1 (3197) rev. 11/95
Concentration
Mortality
T
Note: Please
Cornplctc *this
Section Alw
Start/cnd Siart/cnd
6.96 1 6,983 Conrrnl 8.6 r 8.5
7.35 1 7.25 1 Iligh 8.3 1 8.3
pM Conc. 11.0.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Facility Piedmont
Performing Test Research & Analytical Laboratories. Inc.
Charge
Supervisor
Dale 11/26/18
Pipet' ISP07 County Guilford
Comments: A Pilot Environmental Project
Stormwatcr t;t'Ilucnt
RAL 059505-11
MAIL ORIGINAL TO:Envronmental Div! Of Water Quality s 13ranc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriodaphnia Chronic Pass/Fail Reproduction 'Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 to II 12
{f Young Produced
Adult (L) ivc (D) cad
f:ffluetlt%
THE ATMENT 2 ORGANISMS
4 Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
1st sam le Ist sam Ic 2nd sam lc
5 s 5
I C t e 1 C
1st sample ISt sample 2nd sample
Control
U.O.
Treatment 2
LC501Acutc'Toxicity Test
(Mortality expressed as %, combining replicates)
Com lets "phis For Either Test
"Pest Start Date
11 /
25
/
18
Collcclion (Start) Date
Sample 1 l 1124l18 Sample 2
SampleTypc/Duration
IJ
Grab Comp. Duration
=
a
Samplc I X
p
3
Sample 2
0'
a
n
v
n
I lardness (mgll)
48
6PIT9,
Spcc,Cond.(pmhos)
188
65
Chlorinc(mg/l)
0.04
Sample temp. at receipt
;
3.3
0 °/a
6.25
%
12.5 %
25 a
so %
I ()0 %
0
°/n
°/a
° o
(1 %
o
%
0 %
0 %
0 %
0 %
%
%
%
%
LC50 = >100% % Mclhod of Determination
........................................
95%Con fidence Limits Moving Average Probit 0
%- % Spearman Karber Other X
Organism Tested Ceriodaphnia dubia Duration (hrs) 24
Cony DWQ form AT -I (3/87) rev. 11195
Concentration
Mortality
T
Nuty; I'leaso
Cornplew This
Section Also
Sta�rticndd Sta�rUend-
6.96 16.98 I Control 8I 67 8.5
7.36 1 7.35 High 1 8.3 I 8.2
PH Conc. D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 11/26/18
Facility Picdmont'I'riad Airport Authority NPDI:S4NC S000508 Pipcil IS98A County Guilford
Laboratory Performing-fcst Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Prnicct
X Stormwatcr Effluent
Signatur• fQp ra in R n;ihle Charge "L H59505-12
x
Sign re of 1. bor ry Supervisor
MAIL ORIGINAL TO: Div.I Of Water Quality ences Branch
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Cerindaphnia Chronic Pass/Fail Reproduction 'Toxicity Test
CONTROL ORGANISMS 1 2 3 4 5 6 7 8 9 10 ] l 12
# Young Produced
Adult (L) ive (D) cad
FMuent%
'I REATMENT 2 ORGANISMS
# Young Produced
Adult (L) ive (D) cad
PH
Control
Treatment 2
1 2 3 4 5 6 7 8 9 10 11 12
Ist sam le
s
l C
it It
T d
1
2nd sampit;
s
1 C
a n
r d
t
Ist sample IS1 sample 2nd sample
Control
D.0.
I'reatmcnt 2
LC50/Acute Toxicitv'Pest
(Mortality expressed as %, combining replicates)
Cnm lete This For Either Test
"Pest Start Date
11 /
25 /
18
Collection
(Start) Dale
Sample 1
11/24/18 Sample
Sample Type/Duration
Grab Comp. Duration
^�
sample I
X
p
�,
G
7
Samplc 2
a
'3
tlardns (mg/l)
48
h;� '
Spec.Cond.(pmhos)
188
47
Chlorinc(mg/l)
',
0.03
Sample temp. at receipt"
3.3
0 °
6.25
%
12.5 %
25 %
50 '°
100 °fo
%
%
LC50 = >100% % Mcthod of Determinatinn
.......................................
95% Confidence Limits Moving Average Prohit 0
%- % Spearman Karbct Other X
Organism Tested Ccriodaphnia dubia Duration (his) 24
[:opy I J W Q loan A I- I (-V87) rev. I I M
Concentration
T
Mortality
Note: Yleasc
complete't'his
Section Also
StwVcnd
Stttn/cnd
6.96
6.98
Control
8.6
8.5
7.42
7.37
High
8.3
8.2
PH
Cone, D.O.

Effluent Toxicity Report Form - Chronic Pass/Fail and Acute LC50
Date 1 1 /26118
Facility Piedmont Triad Airport Authority NPDES4#NC S000508 Pipe# ISM County Guilford
Laboratory Performing Test Research & Analytical Laboratories, Inc. Comments: A Pilot Environmental Pro'ect
X StormWater Effluent
Signatur fOpe to in sponsiblc Charge RAL 059505-13
X
Sign• re of la or t , Supervisor
MAIL ORIGINAL TO: Div. Of W ter Quality ences sranc
N.C. DENR
1621 Mail Service Center
Raleigh, NC 27699-1621
North Carolina Ceriorial2hnia Chronic PasVlfail Reproduction Toxicit Test
CONTROL ORGANISMS l 2 3 4 5 6 7 8 9 10 11 12
# Young Produced
Adult (L) ivc (D) cad
lihllucnt%
'I'REA] Ml?N'1' 2 ORGANISMS
# Young Produced
Adult (L) ivc (D) cad
pit
Control
Treatment 2
Calculated t
Tabular i
% Reduction
A
Control I Comrol
1 2 3 4 5 6 7 8 9 11) 11 12 Control CV
PASS FAIL
%control organisms
producing
� brood Check One
Istsam le
IE
t e
a n
r d
t
I st sampie
IE
t c
a n
r d
t
2nd sam le
s
I c
u n
r d
I
Is( sample 1st sample 2nd sample
Control
D.O.
Treatment 2
I,CSO/Acule Toxicity Test
(Mortality expressed a_s %, combining replicates)
omplcte This For Either Test
'Pest Stara Date
11 / 25
/
18
Collection (Start) Date
Sample 1 11/24118 Sample
S ample ' I'ype/D uration
Grab Comp, Duration
o
-fir•,
O
Sample 1 X
G
Sample 2
0' b
'�
a n
in
Hardness (mgn)
Spec.Cnnd.(µmhos)
Chlorinc(mg/l)
Samples temp. at receipt
48
s�
.
188
54
0.04
s,
3.3
!) 50
6.25
%
12.5 %
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National Weather Service : Observed Weather tor past 3 Days : Greensboro, Piedmont Tr... Page 1 of 3
�veather.�ov
Greensboro. Piedmont
Triad International
Airport
Enter Your "City. ST" or rip
code
Go
metric en espatiol
D
'Temperature
(°)±)
Pressure Precipitation
Wind
Heat
(in.)
a Time Wind
Vis. Sky
Relative
t (est) (mph)
Weather
(mi.) Cond.
b hour
}tumidity
Chill
Index
altimeter
sea
Air
Dwpt
(OF)
(OF)
level I hr 3 hr 6 hr
e
Max. Min.
(mb)
24 09:54 NE 9
2,00 Light 13KNO05
33
33
100%
25
NA
29.90
1013.1 0.15 0.43
Rain 13KN025
Fog/Mist OVC065
24 08:54 NW 9
2.00 Light OVC008
33
33
100%
25
NA
29.95
10 14. 8 0.15
Rain
Fog/Mist
24 07:54 N17 10
2.00 Light OVC005
32
32
100%
24
NA
2990
1013.2 0.13
Freezing
Rain
Fog/Mist
24 06:54 NF 15
3.00 Freezing OVC007
32
30 33 32
92%
22
NA
2994
1014.5 0.07 0.08
Rain
Fog/Mist
24 05:54 NE 12
9.00 Light OVC010
32
30
92%
23
NA
29.98
1015.8 0.01
Drizzle
24 04:54 NE 14
7.00 Light OVC010
32
28
85%
22
NA
30.01
1016.8
Rain
24 03:54 NE IU
10.00 Overcast OVC012
33
25
72%
25
NA
30.05
1018.2
24 02:54 NE, 13
10.D0 Overcast OVC014
33
24
70%
24
NA
30.10
1019.6
24 01:54 NE 12
10.00 Overcast OVC015
32
23
69%
23
NA
30.12
1020.7
24 00:54 NE 12
10.00 Overcast OVC019
33
22 33 32
64%
24
NA
30.17
1022.1
23 23:54 E 12
10.00 Overcast OVCO21
33
21
61%
24
NA
30.20
1023.3
23 22:54 NE 6
10.00 Overcast OVCO21
33
20
58%
27
NA
30.25
1024.9
23 21:54 E 12
10.00 Overcast OVCO22
33
20
59%
24
NA
30.26
1025.3
23 20:54 17 10
10.00 Overcast i3KN026
32
18
56%
24
NA
30.29
1026.4
OVC190
23 19:54 NE 12
10.00 Overcast OVC200
32
19
59%
23
NA
30.32
1027.5
23 18:54 NE 10
10.00 Overcast OVC250
33
20 37 33
58%
25
NA
30.34
1028.2
23 17:54 N1= 6
10.00 Overcast OVC250
34
20
56%
29
NA
30.34
1028.1
23 16:54 NE 8
K00 Overcast OVC250
35
19
52%
28
NA
30.34
1027.9
23 15:54 NF 9
10.00 Overcast Ft W025
36
19
50%
29
NA
30.35
1028.3
OVC250
23 14:54 1:9
10.00 Overcast 13KN027
37
18
46%
30
NA
30.36
1028.8
OVC250
23 13:54 NE 6
10.00 Overcast 13KN029
36
17
46%
31
NA
30.40
1030.1
OVC250
23 12:54 NE 5
10.00 Overcast OVCO29
35
16 36 30
46%
31
NA
30.42
1030.7
23 1 1:54 13 7
10.00 Overcast OVCO29
34
15
46%
28
NA
30.45
1031.7
23 10:54 NE 7
10.00 Overcast OVC030
33
16
49%
27
NA
30.48
1032.9
23 09:54 F 8
10.00 Overcast OVC030
32
18
56%
25
NA
30.50
1033.3
http://wI.weather.gov/data/obhlstory/KGSO.html 1 l /24/2018

National Weather Service : Observed Weather for past 3 Days : Greensboro, Piedmont Tr... Page 2 of 3
23 08:54
13 13
10.00 Overcast OVC031
30
18
61%
20
NA
30.50
1033.4
23 07:54
E 9
10.00 Overcast
OVC032
30
18
61%
22
NA
30.49
1033.1
23 06:54
E 10
K00 Overcast
OVC034
30
19
33 30
64%
21
NA
30.49
1033.0
23 05:54
L. 12
10.00 Overcast
OVC036
31
23
72%
22
NA
30.47
1032.5
23 04:54
E 12
10.00 Overcast
OVC037
31
24
76%
22
NA
30.46
1031.9
23 03:54
F 10
10.00 Overcast
OVC038
31
26
82%
22
NA
30.46
1031.7
23 02:54
E 9
10,00 Fair
CLR
31
25
79%
23
NA
30.47
1032.2
23 01:54
I? 10
10.00 Fair
CLR
32
26
79%
24
NA
30.47
1032.1
23 00:54
NE 8
10.00 lair
CLR
33
28
43 33
92%
26
NA
30.47
1032.0
22 23:54
NE 10
10.00 Pair
CLR
35
29
78%
27
NA
30.45
1031.5
22 22:54
1= 10
10.00 Fair
CLR
36
30
79%
29
NA
30.44
1031.0
22 21:54
18
10.00 Fair
CLR
38
31
76%
32
NA
30.43
1030.8
22 20:54
H 8
10.00 Fair
CLR
39
31
73%
33
NA
30.40
1029.8
22 19:54
E 8
10.00 Fair
CLR
41
31
67%
36
NA
30.39
1029.5
22 18:54
E 6
10.00 Fair
CLR
43
32
53 43
65%
39
NA
30.37
1028.8
22 17:54
1,16
10.00 A Few
FEW250
44
32
63%
41
NA
30.35
1028.0
Clouds
22 16:54
I? 10
10.00 A Fete
FEW250
48
33
56%
44
NA
30.33
1027.3
Clouds
22 15:54
Calm
10.00 Fair
CLIt
52
32
47%
NA
NA
30.32
1026.7
22 14:54
17 8
10,00 Fair
CLR
53
32
45'%
NA
NA
30.32
1026.7
22 13:54
NE 5
10.00 A Few
17IW250
52
31
45%
NA
NA
30.33
1027.2
Clouds
22 12:54
Calm
10.00 A Few
FEW250
50
31
52 31
49%
NA
NA
30.35
1027.9
Clouds
22 11:54
NE 8
10.00 A Few
I'•EW250
50
31
49%
47
NA
30.37
1028.5
Clouds
22 10:54
NE 3
10.00 A Fcw
FFW040
49
32
52%
NA
NA
30.38
1028.9
Clouds
22 09:54
E6
10.00 Fair
CLR
45
32
61%
42
NA
30.38
1029.1
22 08:54
Calm
10.00 Fair
CLR
42
34
73%
NA
NA
30.37
1028.8
22 07:54
Calm
10.00 Fair
CLR
36
31
82%
NA
NA
30.35
1027.9
22 06:54
Calm
10.00 Fair
CLR
35
30
41 33
92%
NA
NA
30.33
1027.3
22 05:54
Calm
10.00 Fair
CLR
34
30
85%
NA
NA
30.32
1027.0
22 04:54
Calm
10.00 Fair
CLR
36
30
79%
NA
NA
30.30
1026.1
22 03:54
Calm
10.00 fair
CLR
39
31
73%
NA
NA
30.28
1025.5
22 02:54
N 3
10.00 Fair
CLR
40
31
70%
NA
NA
30.27
1025.1
22 01:54
Calm
10.00 Fair
CLR
41
31
67%
NA
NA
30.26
1024.8
22 00:54
Calm
10.00 fair
CLR
41
30
50 37
65%
NA
NA
30.26
1024.8
21 23:54
NW 7
10.00 Fair
CIA
39
29
67%
34
NA
30.25
1024.3
21 22:54
Calm
10.00 Pair
CLR
42
29
60%
NA
NA
30.24
1024.1
21 21:54
NW 6
10.00 Pair
CLR
41
29
62%
37
NA
3023
1023.9
21 20:54
NW 8
10.00 Pair
CLR
43
29
58%
38
NA
30.22
1023.6
21 19:54
NW
10.00 Fair
CLR
49
28
44%
44
NA
3021
1023.2
12
21 18:54
W 7
10.00 lair
CLR
44
28
57 44
53%
40
NA
30.19
10229
21 17:54
W 5
10.00 lair
CLR
48
25
41'%
46
NA
30.18
1022.1
http://wI.weather.gov/data/obhistory/KGSO.htm] 1 1 /24/2018

• National Weather Service : Observed Weather ror past 3 Days : Greensboro, Piedmont Tr... Page 3 ol' 3
21
16:54 W 7
10.00 Fair
UR
52 25
35%
NA
NA
30.17
1021.8
21
15:54 W 10
10.00 Pair
CI,R
56 25
30%
NA
NA
30.16
1021.4
21
14:54 W 9
10.00 Fair
CLR
56 24
29%
NA
NA
30.16
1021.3
21
13:54 W 9
10.00 Fair
CLR
55 25
31%
NA
NA
30.17
1021.6
21
12:54 W 12
10.00 Fair
UR
53 25 53 29
34%
NA
NA
30.18
1022.0
21
11:54 SW 8
10.00 Fair
CLR
51 27
39%
NA
NA
30.20
1022.7
21
10:54 Vrbl7
10.00 Fair
CLR
49 26
41%n
46
NA
30.22
1023.4
D
Max. Min.
altimeter
sea
Air Dwpt
Wind
Heat
(in)
level 1 fir 3 hr 6 fir
a
Time Wind
Vis. Weather
Sky
6 hour
Relative
Chill
[ndex
(mb)
t
(est) (mph)
(mi.)
Cond.
Humidity
o
(1)
o ,
(F)
Precipitation
e
Temperature (IF)
Pressure
(in.)
National Weather Service
Back to previous page
Last Modified: Pebuary, 7 2012
Southern Region
Headquarter%
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Fort Worth, "Texas
Disclaimer
http://wi.weather.gov/data/obhistory/KGSO.htmi 1 1 /24/2018