NCS000508_APPLICATION_20141208

STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
Ai C--5 06 0 c� 0'
DOC TYPE
❑ FINAL PERMIT
❑ MONITORING REPORTS
4 APPLICATION
❑ COMPLIANCE
❑ OTHER
DOC DATE
❑ Z m� JZ.Z(
YYYYM M D D

Permit Coverage
TARenewal Application Form NPDES Permit Number
NCDENR National Pollutant Discharge Elimination System NCS000508
Stormwater Individual Permit
Please provide your permit number in box in the upper right hand comer, complete the Information in the space provided
below and return the completed renewal form along with the required supplemental Information to the address indicated.
Owner Information
Owner / Organization Name:
Owner Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Facilitv Information
Facility Name:
Facility Physical Address
Facility Contact:
Mailing Address:
Phone Number:
Fax Number:
E-mail address:
Permit Information
Permit Contact:
Mailing Address
Phone Number:
Fax Number:
E-mail address:
Discharge Information
Receiving Stream:
Stream Class:
Basin:
Sub -Basin:
Number of Outfalls:
* Address to which permit correspondence will be mailed
Facility/Activity Changes Please describe below any changes to your facility or activities since issuance of your permit. Attached a
separate sheet if necessary.
discharge outfalls (SDOs) as summarized in the significant changes narrative (Supplement 5, attached). There are
no significant changes in industrial activities, addition or deletion of work processes, changes in material handling
practices, changes in material storage practices, or changes in raw materials used.
CERTIFICATION
I certify that I am f0miliar with the information contained in the application and that to the best of my knowledge and belief
such informatl n i true, complete and accurate.
Signature Date
Kevin J. Baker, P.E. Executive Director
Print or type name of person signing above Title
SW Individual Permit Coverage Renewal
Please returnthis completed application form
and requested supplemental information to: 1612 Mail al Permitting Program
S 612 MService Center
Raleigh, North Carolina 27699-1612

SUPPLEMENTAL INFORMATION REQUIRED FOR RENEWAL OF INDIVIDUAL
NPDES STORMWATER PERMIT
Two copies of each of the following shall accompany this submittal in order for the application
to be considered complete:
(Do not submit the site Stormwater Pollution Prevention Plan)
A current Site Map from the Stormwater Pollution Prevention Plan. The location of
industrial activities (including storage of materials, disposal areas, process areas and
loading and unloading areas), drainage structures, drainage areas for each outfall,
building locations and impervious surfaces should be clearly noted.
2. A summary of Analytical Monitoring results during the term of the existing permit
(if your permit required analytical sampling). Do not submit individual lab reports.
The summary can consist of a table including such items as outfall number,
parameters sampled, lab results, date sampled, and storm event data.
3. A summary of the Visual Monitoring results. Do not submit individual monitoring
reports. The summary can consist of a table including such items as outfall number,
parameters surveyed, observations, and date monitoring conducted.
4. A summary of the Best Management Practices utilized at the permitted facility.
Summary should consist of a short narrative description of each BMP's in place at
the facility. if the implementation of any BMP's is planned, please include
information on these BMP's.
5. A short narrative describing any significant changes in industrial activities at the
permitted facility. Significant changes could include the addition or deletion of
work processes, changes in material handling practices, changes in material storage
practices, and/or changes in the raw materials used by the facility.
6. Certification of the development and implementation of a Stormwater Pollution
Prevention Plan for the permitted facility (Sign and return attached form).
If the final year analytical monitoring of the existing permit term has not been completed
prior to filing the renewal submittal, then the last years monitoring results should be submitted
within 30 days of receipt of the laboratory reports. (i.e. do not withhold renewal submittal
waiting on lab results)

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
2.0 Visual Data Summary 2010-2015 3.0 Analytical Data Summary 2010-2015
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NOi-N Total P O&G AT EG PG
9/27/20101
SDO 004
None
No
2
1 1
1
Yes
No
No
Yes
1 2.45
17.5
<0.10
401
0.147
3
<5.0
9/27/2010
SDO 005
Orange
No
5
2
5
No
No
No
I No
9/27/2010
SDO 006
None
No
1
1
1
No
No
No
No
6.74
11.22
4.8
9.5
<0.10
46
0.112
0.232
0.177
<5.0
9/27/2010
SDO 007
None
No
1
1
1
No
No
No
No
9/27/2010
SDO 008
None
No
1
1
1
No
No
No
No
9/27/2010
SDO 009
None
No
1
1
1
No
No
No
No
9/27/2010
SDO 014
None
No
2
1
2
No
No
No
No
9/27/2010
SDO 015
None
No
1
1
1
No
No
No
No
9/27/2010
SDO16A
None
No
1
1
1
No
No
No
No
6.92
9.48
3.7
5
<0.10
49
0.138
0.5581
0.324
<5.0
9/27/2010
SDO 019
None
No
1
1
1
No
No
No
No
9/27/2010
SDO 024
None
No
1
1
1
No
No
No
No
6.21
1.88
2.75
<1.0
<0.10
41
0.116
<0.050
0.272
<5.0
9/27/2010
SDO 025
Brown
No
2
1
2
No
No
No
No
9/27/2010
SDO 026
None
No
1
1
1
No
No
No
No
6.34
7.57
2.05
6
<0.10
22
<0.1
0.309
0.106
<5.0
9/27/2010
SDO 027
No
1
1
1
No
No
No
No
6.17
4.63
<2
2.17
<0.10
23
0.109
0.167
0.107
<5.0
9/27/2010
SDO 028
No
1
1
1
No
No
No
No
9/27/2010
SDO 030
No
1
1
1
No
No
No
No
6.41
13.82
3.7
41
<0.10
43
0.137
0.11
0.21
<5.0
9/27/2010
SDO 032
No
1
1
1
No
No
Yes
No
9/27/2010
SDO 033
No
1
1
1
No
No
No
No
6.08
2.52
2.05
1
<0.101
21
<0.11
0.1061
0.122
<5.0
9/27/2010
SDO 036
No
1
1
1
No
No
No
No
9/27/2010
SDO 038
No
1
1
1
No
No
No
No
12/1/20101
IS #01
1
6.86
8.43
13.89
>100%
12/1/2010
IS #02
6.38
72.86
12.12
>100%
IS #05
6.79
42.35
12.812/1/2010 8
>100%
12/1/2010
IS #06
6.59
0
2.7
11
>100%3
12/1/2010
IS #07
7.37
19.89
17.35
>100%
12/1/2010
IS #08
6.70
12.11
14.39
>100%
12/1/2010
IS #10
7.12
75.36
12.95
>100%
12/1/2010
IS #11
6.91
27.54
11.54
>100%
12/1/2010
SDO 004
Brown
No
2
1
2
Yes
No
No
No
6.62
10.98
2.59
3
<0.10
37
<0.1
0.578
0.062
<5.0
>100%
<10.0
<10.0
12/1/2010
SDO 005
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 006
None
No
1
1
1
No
No
No
No
6.10
2.48
2.14
1.66
<0.10
17
<0.1
0.137
0.0781
<5.0
>100%
<10.0
<10.0
12/1/2010
SDO 007
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 008
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 009
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 014
None
No
1
1
1
No
No
No
No
12/1/2010
SDO16A
None
No
1
1
1
No
No
No
No
6.14
24.51
<2
41
<0.10
32
0.112
0.3
;.0
>100%
<10.01
<10.0
12/1/2010
SDO 017
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 018
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 019
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 023
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 024
NonejN
1
1
1
No
No
No
No
6.16
2.53
<2
7.751
<0.10
13
<0.1
<0.050
<0.050
<5.0
>100%
<10.01
<10.0
12/1/2010
SDO 025
None
1
1
1
No
No
No
No
12/1/2010
SDO 026
None
1
1
1
No
No
No
No
6.37
7.26
2.54
22.5
<0.10
15
<0.1
0.409
<0.050
<5.0
>100%
<10.0
<10.0
12/1/2010
SDO027
None
No
1
1
1
No
No
No
No
6.33
5.95
4.481
1.5
<0.101
12F
<0.11
62771
<0.050
<5.01
>100%
<10.0
<10.0
Piedmont Triod International Airport NCS000508
NPDES Permit Renewal Application Sheet 1 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3 N COD WAS NO,+NOi-N Total P O&G AT EG PG
12/1/2010
SDO 029
Brown
No
3
1
1
No
No
No
No
12/1/2010
SDO 030
None
No
1
1
1
No
No
No
No
7.00
6.45
<0.1
0.787
<0.050
<5.0
>100%
<10.0
<10.0
12/1/2010
SDO 031
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 033
None
No'
1
1
1
No
No
Yes
No
7.64
7.71
W<230*0"
<0.1
0.171
0.071
<5.0
>100%
<10.0
<10.0
12/1/2030
SDO 036
None
No
1
1
1
No
No
No
No
12/1/2010
SDO 038
None
No
1
1
1
No
No
No
No
12/1/20101
SDO 062
None
No
1
1
1
No
No
No
No
1/12/2011
IS #01
6.44
27.491
8.92
>100%
1/12/2011
IS #02
6.37
34.181
10.34
>100%
1/12/2011
IS #05
6.59
41.82
7.62
>100%
1/12/2011
IS #06
7.14
37.02
9.37
>100%
1/12/2011
IS #07
6.63
26.18
10.40
>100%
1/12/2011
IS #08
6.45
9.62
9.91
>100%
1/12/2011
IS #10
6.97
59.28
10.76
>100%
1/12/2011
IS #11
6.30
13.19
11.22
>100%
1/12/2011
SDO 004
6.82
18.49
286
1.97
434
>100%
<10.0
219
1/12/2011
SDO 006
6.49
24.78
<2
0.338
14
>100%
<10.0
<10.0
1/12/2011
SDO 024
6.38
36.20
1,340
10.1
2,370
>100%
12.5
1,870
1/12/2011
SDO 026
7.02
8.41
114
30.4
397
>100%
<10.0
<10.0
1/12/2011
SDO 027
6.11
11.36
2,900
1.47
4,680
>100%
<10.0
2,810
1/12/20111
SDO 030
7.31
12.04
3.24
4.8
37
>100%
<10.0
<10.0
1/12/2011
SDO 033
6.87
32.87
140
<0.10
255
>100%
<10.0
33.2
1/26/2011
IS #01
7.17
11.051
13.12
1
>100%
1/26/2011
IS #02
7.03
128.10
14.17
>100%
1/26/2011
IS #05
7.08
47.75
10.83
>100%
1/26/2011
IS #06
7.46
93.52
12.06
>100%
1/26/2011
IS #07
6.98
52.71
13.44
>100%
1/26/2011
IS #08
6.83
41.01
13.01
>100%
1/26/2011
IS #10
7.31
61.20
12.87
>100%
1/26/2011
IS #11
7.54
68.96
12.42
>100%
1/26/2011
SDO 004
7.30
18.17
31.8
8.5
100
>100%
<10.0
<10.0
1/26/2011
SDO 006
6.91
28.42
2.2
0.161
8
>100%
<10.0
<10.0
1/26/2011
SDO16A
7.12
22.49
3.2
<0.10
23
>100%
<10.0
<10.0
1/26/2011
SDO 024
7.39
9.70
186
0.643
294
>100%
<10.0
125
1/26/2011
SDO 026
7.24
39.60
3.2
0.836
28
40.61%
<10.0
<10.0
1/26/2011
SDO 027
7.01
16.08
61.5
0.676
92
>100%
<10.0
22.2
1/26/2011
SDO 030
7.18
26.46
3
0.313
25
>100%
<10.0
<10.0
1/26/2011
SDO 033
7.681
13.121
1 234
<0.10
337
1
>100%
<10.01
46.4
3/16/20111
SDO 004
None
No
2
1
1
Yes
No
No
I No
7.36
10.281
4.57
4
1.01
12
<0.1
2.41
<0.050
<5.0
3/16/2011
SDO 005
None
No
1
1
1
No
No
No
No
3/16/2011
SDO 006
None
No
1
1
1
No
No
No
No
6.64
4.99
<2
2
<0.10
16
<0.1
0.09
<0.050
<5.0
3/16/2011
SDO 007
None
No
1
1
1
Yes
No
No
No
3/16/2011
SDO 008
None
No
1
1
1
No
No
No
No
3/16/2011
SDO 009
None
No
1
1
1
No
No
No
No
3/16/2011
SDO 019
None
No
1
1
1
No
Yes
No
No
3/16/2011
SDO 024
None
No
1
1
1
No
No
No
No
6.83
1.96
2.15
15
0.694
23
<0.1
0.141
<0.050
51
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 2 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.De . Other
PH Turb. D.O. BOD TSS NH3 N COD WAS NO3+No2-N Total P O&G AT EG PG
3/16/2011
SDO 025
None
No
1
1
2
No
No
No
No
3/16/2011
SDO 026
None
No
1
1
1
No
No
No
No
6.51
3.25
1
5.6
2
0.892
24
<0.1
1.67
<0.050
<5.0
3/16/2011
SDO 027
None
No
1
1.
1
No
No
No
No
6.731
6.10
10.3
6.67
0.308
40
<0.1
0.866
<0.050
<5.01
3/16/2011
SDO 028
None
No
1
1
1
No
No
No
No
3/16/2011
SDO 029
None
No
2
1
2
No
No
No
No
3/16/2011
SDO 030
None
No
1
1
1
No
No
No
No
6.66
10.39
2.3
14.2
<0.10
27
<0. 11
0.574
<0.050
<5.0
3/16/2011
SDO 031
None
No
2
1
1
No
No
No
No
3/16/2011
SDO 033
None
No
1
1
1
No
No
No
No
8.431
3.99
5.831
6
0.113
33
<0.11
0.348
<0.050
<5.0
3/16/20111
SDO 036
None
No
1
1
1
No
No
No
No
4/9/2011
IS #01
7.31
12.521
9.07
>100%
4/9/2011
IS #02
7.22
38.97
9.36
>100%
4/9/2011
IS #05
6.99
42.14
9.05
>100%
4/9/2011
IS #06
7.23
22.19
9.42
>100%
4/9/2011
IS #07
6.83
12.08
8.86
>100%
4/9/2011
IS #08
7.34
19.17
10.01
>100%
4/9/2011
IS #10
6.97
32.04
9.73
>100%
4/9/2011
IS #11
7.36
36.15
10.51
>100%
4/9/2011
SDO 004
7.07
32.87
<2
0.315
8
>100%
<10.0
<10.0
4/9/2011
SDO 006
6.60
14.22
<2
<0.10
9
>100%
<10.0
<10.0
4/9/2011
SDO 024
7.37
18.94
<2
<0.10
25
>100%
<10.0
<10.0
4/9/20111
SDO 026
6.74
11.10
<2
0.196
13
>100%
<10.0
<10.0
4/9/20111
SDO 027
6.83
8.97
10.1
<0.10
20
>100%
<10.0
<10.0
4/9/20111
SDO 030
6.79
9.63
<2
<0.10
<5
>100%
<10.0
<10.0
4/9/20111
SDO 033
8.92
13.841
7.71
<0.10
10
>100%
<10.0
<10.0
5/23/2011
SDO 004
2.53
1
1
5/23/2011
SDO 027
2.19
5/23/2011
SDO 033
2.94
14
6/10/2011
SDO 004
None
No
1
2
1
Yes
No
No
No
7.05
5.22
<2
<1.0
<0.10
<5
<0.1
1.22
<0.050
<5.0
6/10/2011
SDO 007
None
No
1
1
1
Yes
No
No
No
6/10/2011
SDO 008
None
No
1
1
1
No
No
No
No
6/10/2011
SDO 019
None
No
1
2
1
No
No
No
No
6/10/2011
SDO 020
None
No
1
1
1
No
No
No
No
6/10/2011
SDO 026
None
No
1
1
1
No
No
No
No
6.89
7.12
<2
<1.0
0.347
8
<0.11
0.696
0.119
<5.0
6/10/2011
SDO 027
None
No
1
2
2
No
No
No
No
6.64
6.83
<2
<1.0
<0.10
<5
1.28
<0.050
<5.0
6/10/20111
SDO 033
None
No
1
1
1
No
No
No
No
8.21
5.031
3.631
41
0.361
12
<0.11
0.4651
0.069F
<5.0
9/21/2011
SDO 004
None
No
1
2
1
1 No
No
No
No
7.67
31.301
2.691
7.5
0.1261
15
0.1031
1.24
<0.050
<5.0
1
1
9/21/20111
SDO 007
None
No
1
1
2
Yes
No
No
No
9/21/20111
SDO 008
None
No
1
1
1
No
No
No
No
9/21/20111
SDO 019
None
No
1
1
1
Yes
No
No
No
9/21/20111
SDO 024
None
No
1
1f
1
No
No
No
No
7.83
30.72
8.5
42
0.334
73
0.107
0.444
0.173
<5.0
9/21/20111
SDO 026
None
No
1
1
1
No
No
No
No
7.08
40.26----F
6.27
40
0.371
53
0.103
0.679
0.174
<5.0
9/21/2011
SDO 027
None
No
1
1
1
No
No
No
No
6.90
18.04
3.68
17.7
0.186
27
<0.1
0.527
0.082
<5.0
9/21/2011
SDO 029
None
No
1
1
1
No
No
No
No
9/21/2011
SDO 030
None
No
1
1
1
No
No
No
No
7.16
14.24
6.27
9
0.378
39
0.544
0.35
0.108
<5.0
9/21/20111
SDO 031
None
No
1
1
1
Yes
No
No
No
Piedmont Triad International Airport NC5000508
NPDES Permit Renewal Application Sheet 3 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NOS N Total P O&G AT EG PG
9/21/2011
SDO 032
None
No
1
1
1
Yes
No
No
No
9/21/2011
SDO 033
Brown
Yes
1
1
1
No
No
No
No
7.97
12.28
4.28
18.3
<0.10
281
<0.1
0.623
0.06
<5.0
11/4/2011
IS #01
6.53
19.04
10.24
>100%
11/4/2011
IS #02
6.74
51.43
10.09
>100%
11/4/2011
IS #05
6.89
152.50
9.58
>100%
11/4/2011
IS #06
6.61
89.43
9.39
>100%
11/4/2011
IS #07
6.41
48.29
9.98
>100%
11/4/2011
IS #08
6.52
22.43
10.47
>100%
11/4/2011
IS #10
6.68
67.75
10.32
>100%
11/4/2011
IS #11
6.60
38.24
9.31
>100%
11/4/2011
SDO 004
6.37
23.98
4.1
<0.10
24
>100%
<10.0
<10.0
11/4/2011
SDO 006
6.46
32.04
5.9
<0.10
33
>100%
<10.0
<10.0
11/4/2011
SDO16A
6.48
33.10
<2
<0.10
20
<10.0
<10.0
11/4/2011
SDO 024
8.10
10.33
3.05
<0.10
15
>100%
<10.0
<10.0
11/4/2011
SDO 026
7.22
23.03
2.45
<0.10
19
>100%
<10.0
<10.0
11/4/2011
SDO 027
6.77
19.03
8.94
<0.10
261
>100%
<10.0
<10.0
11/4/2011
SDO 030
6.85
48.73
4.86
<0.10
10
>100%
<10.0
<10.0
11/4/2011
SDO 033
7.29
40.68
3.55
<0.10
33
>100%
<10.0
<10.0
12/7/2011
SDO 001
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 002
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 004
None
No
1
1
1
Yes
No
No
No
7.47
36.46
1 2.03
231
<0.10
12
<0.1
0.351
0.223
<5.0
12/7/2011
SDO 006
Brown
No
3
1
2
No
No
No
No
7.97
75.64
3.86
101
<0.10
51
<0:1
0.116
0.268
<5.0
12/7/2011
SDO 007
None
No
2
1
1
Yes
No
No
No
12/7/2011
SDO 008
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 009
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 013
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 015
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 016
None
No
1
1
1
No
No
No
No
12/7/2011
SDO16A
None
No
2
2
1
Yes
No
No
No
7.56
49.53
2.53
23
<0.10
23
<0.1
0.273
0.202
<5.0
12/7/2011
SDO 017
None
No
1
1
1
No
No
No
No
12/7/20111
SDO 019
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 020
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 023
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 024
None
No
1
1
1
No
No
No
No
7.09
20.11
18.7
2.5
<0.10
44
<0.1
<0.050
0.193
<5.0
12/7/2011
SDO 025
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 026
None
No
1
1
2
Yes
No
No
No
6.96
24.87
<2
9
<0.10
13
<0.1
0.233
0.202
<5.0
12/7/2011
SDO 027
None
No
1
1
1
No
No
No
No
7.11
23.61
3.03
5
<0.10
12
<0.1
0.082
0.202
<5.0
12/7/2011
SDO 028
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 029
None
No
1
1
1
No
No
No
No
12/7/2011
SDO 030
None
No
1
1
1
No
No
No
NoP7.13
23.23
<2
9.5
<0.10
15
<0.1
<0.050
0.214
<5.0
12/7/2011
SDO 031
None
No
1
1
1
No
No
No
No
-
12/7/2011
SDO 033
None
No
1
1
2
Yes
No
No
No
45.29
3.81
6
<0.10
14
<0.1
0.226
0.205
<5.0
12/7/2011
SDO 036
None
No
1
1
1
Yes
No
No
No12/21/2011
IS #01
21.85
10.99
>100%12/21/2011
IS #02
94.93
10.81
>100%
12/21/2011
IS #05
6.35
38.63
8.91
>100%
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 4 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3-N COD WAS NO,+NOz N Total P O&G AT EG PG
12/21/2011
IS #06
6.48
145.501
10.26
>100%
12/21/2011
IS #07
6.96
65.741
10.51
>100%
12/21/2011
IS #08
6.49
116.10
10.50
>100%
12/21/2011
IS #10
6.53
115.90
11.85
>100%
12/21/2011
IS #11
6.50
162.20
10.80
>100%
12/21/2011
SDO 004
6.71
35.54
3.1
<0.10
24
>100%
<10.0
<10.0
12/21/2011
SDO 006
6.74
119.40
2.05
<0.10
21
>100%
<10.0
<10.0
12/21/2011
SDO16A
6.55
32.08
2.55
<O.101
25
<10.0
<10.0
12/21/2011
SDO 024
6.20
18.45
7.58
<0.10
19
>100%
<10.0
<10.0
12/21/2011
SDO 026
6.50
17.76
<2
<O.101
11
12/21/2011
SDO 027
6.36
15.94
2.05
<0.10
18
>100%
<10.0
<10.0
12/21/2011
SDO 030
6.28
10.63
<2
<0.10
5
>100%
<10.0
<10.0
12/21/20111
SDO 033
6.801
14.54
2.15
<0.10
12
1 >100%
<10.0
<10.0
1/21/2012
IS #01
7.25
16.03
15.28
>100%
1/21/2012
IS #02
6.65
31.20
11.96
>100%
1/21/2012
IS #05
6.71
18.98
11.23
>100%
1/21/2012
IS #06
6.81
32.72
11.34
>100%
1/21/2012
IS #07
7.82
14.29
12.32
>100%
1/21/2012
IS #08
7.17
17.78
12.34
>100%
1/21/2012
IS #10
7.08
19.27
12.86
>100%
1/21/2012
IS #11
7.17
14.30
15.80
>100%
1/21/2012
SDO 004
7.35
49.83
2.25
<0.10
20
>100%
<10.0
<10.0
1/21/2012
SDO 024
7.40
9.32
68.2
<0.10
120
>100%
<10.0
58.4
1/21/2012
SDO 026
6.99
12.96
2.05
0.138
17
>100%
<10.0
<10.0
1/21/2012
SDO 027
6.97
14.51
12
<0.10
241
>100%
<10.0
<10.0
1/21/2012
SDO 030
6.49
11.87
<2
0.106
ill
>100%
<10.0
<10.0
1/21/20121
SDO 033
8.471
10.58
1 20.4
<0.10
341
>100%
<10.0
<10.0
2/23/2012
IS #01
6.681
15.35
>100%
2/23/2012
IS #02
6.92
11.07
11.51
>100%
2/23/2012
IS #05
6.74
16.98
13.45
>100%
2/23/2012
IS #06
6.88
22.09
15.68
>100%
2/23/2012
IS #07
6.61
10.55
15.47
>100%
2/23/2012
IS #08
7.27
16.74
15.83
>100%
2/23/2012
IS #10
6.53
31.99
15.26
>100%
2/23/2012
IS #11
7.181
17.35
16.32
>100%
2/23/2012
SDO 004
7.701
23.27
30.2
<0.101
72
>100%
<10.0
22.7
2/23/2012
SDO 006
7.00
0.84
<2
<0.10
12
>100%
<10.0
<10.0
2/23/2012
SDO16A
6.92
31.20
<2
<0.101
25
>100%
<10.0
<10.0
2/23/2012
SDO 026
6.94
3.14
<2
4.12
19
>100%
<10.0
<10.0
2/23/2012
SDO 027
6.95
9.05
196
0.364
357
>100%
<10.0
190
2/23/2012
SDO 033
7.24
12.541
1 281
<0.10
_ 407
1 >100%
<10.0
201
3/21/2012
IS #02
11.42
3/21/2012
IS #06
34.72
3/21/2012
IS #10
205.40
3/21/2012
SDO 001
None
No
2
1
1
Yes
No
No
Yes
3/21/2012
SDO 002
None
No
2
1
1
Yes
No
No
Yes
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 5 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+No2-N Total P O&G AT EG PG
3/21/2012
SDO 004
None
No
2
1
1
Yes
No
No
Yes
6.61
25.43
13.8
3.5
<0.101
38
0.11
0.598
<0.050
<5.0
3/21/2012
SDO 005
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 006
Red -Brown
No
1
1
1
No
No
No
No
6.40
12.61
8.131
2.33
<0.10
17
<0.1
0.101
<0.050
<5.0
3/21/2012
SDO 007
None
No
1
1
2
Yes
No
No
No
3/21/2012
SDO 008
None
No
1
1
1
No
No
No
No
3/21/2012
SDO16A
None
No
3
1
2
Yes
No
No
Yes
6.74
92.95
13
22.7
<0.10
73
<0.1
0.11
<0.050
<5.0
3/21/2012
SDO 019
None
No
1
1
1
Yes
No
No
Yes
3/21/2012
SDO 020
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 023
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 026
None
No
1
1
1
No
No
No
No
6.45
2.51
3.37
3.67
0.166
13
0.112
0.68
<0.050
<5.0
3/21/2012
SDO 027
None
No
1
1
1
No
No
No
No
6.10
10.56
16
12.5
0.248
63
<0.1
0.972
<0.050
<5.0
3/21/2012
SDO 028
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 031
None
2
1
2
No
No
No
No
3/21/20121
SDO 033
None
No
2
1
2
No
No
No
No
7.14
31.45
10.5
11
0.149
80
<0.1
0.327
<0.050
<5.0
3/21/2012
SDO 036
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 038
None
No
1
1
1
No
No
No
No
3/21/2012
SDO 040
Red -Brown
No
2
1
2
No
No
No
No
3/21/2012
SDO 062
None
No
1
].
1
No
No
No
No
5/15/20121
SDO 001
Red-orangel
No
2
1 1
1
1 Yes
No
No
Yes
6/6/2012
SDO 002
None
No
1
1
2
No
No
No
No
6/6/2012
SDO 004
None
No
1
1
1
Yes
No
No
Yes
7.84
10.91
5.97
19
<0.10
43
0.12
0.336
0.138
<5.0
5/6/2012
SDO 005
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 006
None
No
1
1
1
No
No
No
No
7.49
10.51
4.33
14
<0.10
28
<0.1
<0.050
0.139
<5.0
5/6/2012
SDO 007
None
No
1
1
2
Yes
No
No
Yes
6/6/2012
SDO 008
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 009
None
No
1
1
1
No
No
No
No
6/6/2012
SDO16A
None
No
2
2
2
No
No
No
No
6.84
i 21.50
7.17
10.5
<0.10
45
<0.1
0.386
0.164
<5.0
6/6/2012
SDO 017
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 019
Yellow -Brown
No
2
1
2
No
No
No
No
6/6/2012
SDO 020
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 023
None
No
1
2
1
No
No
No
No
6/6/2012
SDO 024
None
No
1
1
1
No
No
No
No
6.85
2.31
2.19
2
<0.10
17
<0.1
<0.050
0.059
<5.0
5/6/2012
SDO 026
None
No
1
2
1
No
No
No
No
6.64
10.50
2.79
5.5
<0.10
161
<0.1
0.4881
0.061
<5.0
6/6/2012
SDO 027
None
No
1
1
1
No
No
No
No
6.53
7.64
2.79
17.5
<0.10
17
<0.1
0.316
0.086
<5.0
6/6/2012
SDO 028
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 029
None
No
1
1
2
No
No
No
No
6/6/2012
SDO 031
None
No
2
1
1
No
No
No
No
5/6/20121
SDO 033
None
No
1
1
1
No
No
No
No
7.15
4.30
2.29
1.67
<0.10
11
<0.1
0.765
0.062
<5.0
6/6/2012
SDO 036
None
No
1
1
1
No
No
No
No
6/6/2012
SDO 040
None
No
1
1
1
No
No
No
No
9/23/2012
SDO 001
None
No
1
2
1
No
No
No
No
9/23/2012
SDO 002
None
No
1
1
1
No
No
No
No
9/23/2012
SDO 004
None
No
1
1
1
Yes
No
No
Yes
8.40
42.76
2.49
8
<0.10
6
<0.1
0.075
0.07
<5.0
9/23/2012
SDO 005
None
No
1
1
1
No
No
No
No
9/23/20121
SDO 007
None
No
1
1
1
No
No
No
No
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 6 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3 N COD WAS NO3+NOi N Total P O&G AT EG PG
9/23/2012
SDO 008
None
No
1
1
1
No
No
No
No
9/23/2012
SDO 019
None
No
2
1
2
No
No
No
No
9/23/2012
SDO 020
None
No
1
1
1
No
No
No
No
9/23/2012
SDO 026
None
No
1
1
1
No
No
No
No
7.75
19.38
<2
2.5
0.1111
611
0.1
0.463
0.086
<5.0
9/23/2012
SDO 027
None
No
1
1
1
No
No
No
No
7.38
9.57
<2
3.33
<0.101
9
<0.1
0.1S9
<0.050
<5.0
9/23/2012
SDO 031
None
No
1
2
1
No
No
No
No
9/23/20121
SDO 036
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 001
Red -Orange
No
2
1
1
No
No
No
No
12/8/2012
SDO 002
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 004
None
Yes
2
2.
3
Yes
Yes
No
Yes
6.86
13.911
<21
6.5
0.251
8
<0.1
1.39
0.052
5.7
12/8/2012
SDO 005
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 007
None
No
1
1
1
Yes
No
No
Yes
12/8/2012
SDO 008
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 019
None
No
1
2
1
No
No
No
No
12/8/2012
SDO 020
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 025
None
No
1
1
1
No
No
No
No
12/8/2012
SDO 026
None
No
1
2
3
No
Yes
No
Yes
6.69
3.50
2.1
3.5
<0.10
13
<0.1
1.13
<0.0S0
<5.0
12/8/2012
SDO 027
None
No
1
2
2
No
Yes
No
Yes
6.61
4.19
6.02
4
<0.10
16
<0.1
0.743
<0.050
<S.0
12/8/2012
SDO 028
None
No
1
1
1
No
No
No
No
12/8/20121
SDO 031
Red -orange
No
1
1
2
No
No
No
No
12/17/2012
IS #01
6.72
1.82
10.06
>100%
12/17/2012
IS #02
6.84
8.80
11.62
>100%
12/17/2012
IS #05
6.50
4.79
9.27
>100%
12/17/2012
IS #06
6.98
5.71
9.87
>100%
12/17/2012
IS #07
6.20
5.32
9.05
>100%
12/17/2012
IS #08
8.25
24.22
14.16
>100%
12/17/2012
IS #10
6.15
6.72
9.731
>100%
12/17/2012
IS #11
6.53
6.27
11.44
>100%
12/17/2012
SDO 004
6.67
4.66
<2
0.438
15
>100%
<10.0
<10.0
12/17/2012
SDO 026
6.61
2.82
<2
0.17
8
>100%
<10.0
<10.0
12/17/2012
SDO 027
6.35
2.01
6.42
<0.10
30
>100%
<10.0
14.8
1/11/2013
IS #01
6.651
9.32
14.12
>100%
1/11/2013
IS #02
6.78
21.71
20.02
>100%
1/11/2013
IS #05
7.12
49.01
15.36
>100%
1/11/2013
IS #06
6.46
33.46
13.51
>100%
1/11/2013
IS #07
6.18
8.70
13.59
>100%
1/11/2013
IS #08
6.10
11.53
17.34
>100%
1/11/2013
IS #10
6.63
34.18
16.34
>100%
1/11/2013
IS #11
6.641
8.50
15.53
>100%
1/11/2013
SDO 004
6.76
9.55
2.11
0.1861
<5
>100%
<10.0
<10.0
1/11/20131
SDO 026
6.92
6.05
2.01
0.1231
81
>100%
<10.0
<10.0
1/11/20131
SDO 027
1
1
6.541
3.991
1 1881
1 0.11
3371
1
1 >100%
13.7
264
1/18/2013
IS #01
6.351
40.341
25.43
I >100%
1/18/2013
IS #02
6.32
33.29
15.52
>100%
1/18/2013
IS #05
6.25
27.91
14.61
>100%
1/18/2013
IS #06
6.05
43.52
20.06
1 >100%1
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 7 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3-N COD WAS NO3+NOi-N Total P O&G AT EG PG
1/18/2013
IS #07
7.05
62.82
10.47
>100%
1/18/2013
IS #08
6.14
18.23
15.83
>100%
1/18/2013
IS #10
6.28
11.92
19.25
>100%
1/18/2013
IS #11
6.48
38.46
21.14
>100%
1/18/2013
SDO 004
6.31
32.18
23.7
0.138
38
>100%
<10.0
34.1
1/18/2013
SDO 006
6.81
7.50
<2
0.106
<5
>100%
<10.0
<10.0
1/18/20131
SDO16A
6.551
28.57
1 <2
<0.10
<5
>100%
<10.0
<10.0
1/18/20131
SDO 024
6.70
4.54
1,800
<0.10
2,700
>100%
13.6
3,360
1/18/2013
SDO 026
6.01
12.11
110
0.304
148
>100%
<10.0
<10.0
1/18/2013
SDO 027
6.85
8.73
320
0.254
537
>100%
<10.01
413
1/18/2013
SDO 030
6.74
10.94
<2
<0.10
9
>100%
<10.0
<10.0
1/18/2013
SDO 033
6.29
24.31
398
<0.10
595
>100%
<10.0
388
1/26/2013
IS #01
6.99
23.07
11.08
>100%
1/26/2013
IS #02
6.831
13.73
12.11
>100%
1/26/2013
IS #05
6.80
10.99
10.83
>100%
1/26/2013
IS #06
7.08
11.30
12.19
>100%
1/26/2013
IS #07
6.01
85.63
7.671
>100%
1/26/2013
IS #08
7.50
3.59
12.68
>100%
1/26/2013
IS #10
7.29
49.97
11.86
>100%
1/26/2013
IS #11
6.75
19.40
12.32
>100%
1/26/2013
SDO 004
7.461
79.92
123
0.349
189
>100%
<10.0
15
1/26/2013
SDO 026
6.40
8.92
872
9.86
1,360
>100%
13.6
16.3
1/26/20131
SDO 027
7.09
11.211
16,900
0.594
28,600
1
1
1 >100%
2,7501
30,300
2/20/20131
SDO 026
5.11.
20
2/20/2013
SDO 027
153
226
3/6/2013
SDO 001
Orange
No
2
1
1
No
No
No
No
3/6/2013
SDO 002
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 004
None
No
1
2
2
Yes
No
No
Yes
6.71
15.19
3.22
6
<0.10
33
<0.1
0.678
<0.050
<5.0
3/6/2013
SDO 005
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 007
None
No
1
1
1
Yes
No
No
Yes
3/6/2013
SDO 008
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 009
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 017
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 019
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 020
None
No
1
1
1
No
No
No
No
3/6/2013
SDO 026
None
No
1
2
1
No
No
No
No
6.61
3.50
<2
2
<0.10
17
<0.1
0.751
<0.050
<5.0
3/6/2013
SDO 027
None
No
1
1
1
No
No
No
No
6.44
4.91
25.9
2
<0.10
54
<0.1
0.14
<0.050
<5.0
3/6/20131
SDO 033
None
Yes
1
1
1
No
No
Yes
No
9.12
3.20
39.11
7.5
<0.10
68
<0.1
0.693
<0.050
<5.0
3/15/20131
SDO 036
None
No
1
1
1
No
No
No
No
3/6/20131
SDO 040
None
No
1
1
1
No
No
No
No
3/22/20131
SDO 026
<2
<5
3/22/20131
SOO 027
1
1
2.51
6
4/23/20131
SOO 027
1
<21
1
1 71
1
1
1
1
1
1
6/3/20131
SOO 001
None
No
1
2
1
No
No
No
No
6/3/2013
SOO 002
Orange
No
1
1
1
No
No
No
No
6/3/2013
SDO 003
1 None
I No
1
1
1
No
No
No
No
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 8 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3 N COD WAS NO3+NO2-N Total P O&G AT EG PG
6/3/20131
SDO 004
None
No
2 1
2 1
2 1
Yes
No
No
Yes
7.411
13.83
7.36
331
<0.10
631
<0.11
0.3811
0.421
<5.0
6/3/20131
SDO 005
None
No
1
1
2
No
No
No
No
6/3/20131
SDO 007
None
No
1
2
1
Yes
No
No
Yes
6/3/2013
SDO 008
None
No
1
1
1
No
No
No
No
6/3/2013
SDO 009
None
No
1
1
1
No
No
No
No
6/3/2013
SDO16A
None
No
3
1
2
No
No
No
No
6.46
44.28
3.17
11
<0.10
39
<0.1
0.1541
0.073
<5.0
6/3/2013
SDO 019
None
No
1
1
1
No
No
No
No
6/3/2013
SDO 020
None
No
1
1
1
No
No
No
No
6/3/2013
SDO 025
None
No
2
1
1
No
No
No
No
6/3/2013
SDO026
None
No
1
1
1
No
No
No
No
6.38
8.33
2.57
4.5
0.216
24
<0.1
0.711
<0.050
<5.0
6/3/2013
SDO 027
None
No
1
1
1
No
No
No
No
6.48
4.15
2.07
3
<0.10
15
<0.1
0.412
<0.050
<5.0
6/3/2013
SDO 031
None
No
1
1
1
No
No
No
No
6/3/2013
SDO 036
None
No
1
1
1
No
No
No
No
6/3/20131
SDO 040
None
No
1
1
1
No
No
I No
F No
9/22/20131
SDO 001
Orange
No
2
1
2
No
No
No
No
9/22/20131
SDO 002
Orange
No
2
1
2
No
No
No
No
9/22/2013
SDO 004
Orange
No
2
11
2
Yes
No
No
Yes
7.03
93.79
3.51
49
0.207
23
<0.1
0.5231
0.145
<5.0
9/22/2013
SDO 005
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 007
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 008
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 009
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 019
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 026
None
No
1
1'
1
No
No
No
No
6.64
6.50
<2
3
0.17
19
<0.1
0.939
0.058
<5.0
9/22/2013
SDO 027
None
No
1
1
1
No
No
No
No
6.08
11.29
<2
2.5
<0.10
65
<0.1
0.504
0.052
<5.0
9/22/2013
SDO 029
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 031
Orange
No
2
1
1
No
No
No
No
9/22/2013
SDO 038
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 040
None
No
1
1
1
No
No
No
No
9/22/2013
SDO 062
None
No
1
1
1
No
No
No
No
11/26/2013
IS #01
6.91
39.39
11.70
>100%
11/26/2013
IS #02
7.00
106.80
13.66
>100%
11/26/2013
IS #05
6.35
25.10
13.42
>100%
11/26/2013
IS #06
7.13
113.80
13.60
>100%
11/26/2013
IS #07
6.24
59.76
13.53
>100%
11/26/2013
IS #08
5.76
87.86
12.13
>100%
11/26/2013
IS #10
7.58
106.60
13.76
>100%
11/26/2013
IS #11
7.901
58.911
13.99
>100%
11/26/20131
SDO 001
Orange
No
1
1
2
No
No
No
No
11/26/2013
SDO 002
None
No
1
1
1
No
No
No
No
Z<0.10.108
11/26/2013
SDO 003
Red -orange
No
1
1
3
No
No
No
No
11/26/2013
SDO 004
Red -orange
No
2
2
3
Yes
No
No
Yes
7.54
92.59
6.48
86
0.244
33
0.236
<5.0
>100%
<10.0
13.9
11/26/2013
SDO 005
None
No
1
1
2
No
No
No
No
11/26/2013
SDO 006
None
No
1
1'
2
No
No
No
No
6.49
73.39
8.28
50
0.426
32
<0.1'
0.145
0.103
<5.0
>100/0
<10.0
<10.0
11/26/2013
SDO 007
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 008
None
No
1
1
3
No
I No
No
No
Piedmont Triad International Airport NC5000508
NPDES Permit Renewal Application Sheet 9 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH jurb. D.O. BOD TSS NH3-N COD MBAS NO3+NOz N Total P O&G AT EG PG
11/26/2013
SDO 009
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 014
None
No
1
2
3
No
No
No
No
11/26/2013
SDO16A
None
No
1
1
1
Yes
No
No
Yes
7.34
21.63
2.96
16
<0.10
20
<0.1
0.145
0.103
<5.0
>100%
<10.0
<10.0
11/26/2013
SDO 019
None
No
1
2
1
No
No
No
No
11/26/2013
SDO 020
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 023
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 024
None
No
1
1
1
No
No
No
No
6.27
24.80
22.6
14.3
<0.10
45
<0.1
0.06
0.052
<5.0
>100%
<10.0
32
11/26/2013
SDO 025
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 026
None
No
1
1
1
No
No
No
No
6.87
8.43
2.86
8
<0.10
15
<0.1
0.249
<0.050
<5.0
>100%
14
11.9
11/26/2013
SDO 027
None
No
1
1
1
No
No
No
No
7.12
6.71
6.02
8
<0.10
15
<0.1
0.092
<0.050
<5.0
>100%
<10.0
14.8
11/26/2013
SDO 028
Orange
No
2
4
4
Yes
No
No
Yes
11/26/2013
SDO 030
None
No
1
1
1
No
No
No
No
<2
3
0.138
11
<0.1
<0.050
<0.050
<5.0
>100%
<10.0
<10.0
11/26/20131
SDO 031
None
No
1
1
2
No
No
No
No
11/26/2013
SDO 033-
None
No
1
1
1
No
No
Yes
No
6.69
4.09
13.5
14
<0.10
27
<0.1
0.352
<0.050
<5.0
>100%
<10.0
22
11/26/2013
SDO 036
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 038
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 040
None
No
1
1
1
No
No
No
No
11/26/2013
SDO 062
None
No
1
1
1
No
No
No
No
12/29/2013
IS #01
6.26
11.11
15.32
>100%
12/29/2013
15 #02
6.58
89.58
13.86
>100%
12/29/2013
IS #05
6.43
180.30
12.93
>100%
12/29/2013
IS #06
6.94
171.70
13.02
>100%
12/29/2013
IS #07
6.14
47.57
13.22
>100%
12/29/2013
IS #08
6.24
62.95
13.54
>100%
12/29/2013
IS #10
6.81
141.90
15.03
>100%
12/29/2013
1S #11
7.93
70.36
13.82
>100%
12/29/2013
SOO 004
6.78
160.80
<2
0.176
27
>100%
<10.0
<10.0
12/29/2013
SOO 16A
6.44
23.66
11.4
<0.10
34
>100%
<10.0
<10.0
12/29/2013
SOO 024
6.63
23.60
2.34
<0.10
11
>100%
<10.0
12.3
12/29/2013
SOO 026
6.64
27.32
<2
<0.10
20
>100%
<10.0
<10.0
12/29/2013
SOO 027
6.52
17.65
3.04
<0.10
21
>100%
<10.0
11.8
12/29/2013
SOO 030
6.46
9.00
<2
<0.10
10
>100%
<10.0
<10.0
12/29/2013
SOO 033
6.37
8.13
7.98
<0.10
14
>100%
<10.01
12.7
1/22/2014
IS #01
6.56
24.28
13.41
>100%
1/22/2014
IS #02
6.87
12.93
13.73
>100%
1/22/2014
IS #05
6.52
11.55
12.97
>100%
1/22/2014
IS #06
6.47
' 8.97
14.90
>100%
1/22/2014
IS #07
6.22
1.52
10.71
>100%
1/22/2014
IS #08
6.06
3.14
11.43
>100%
1/22/2014
IS #10
6.70
9.27
12.92
>100%
1/22/2014
IS #11
7.12
25.60
14.58
>100%
1/22/2014
SDO 001
Orange
No
2
1
2
No
No
No
No
1/22/2014
SDO 002
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 004
None
No
1
1
1
No
No
No
No
6.37
12.38
<2
9
0.125
<5
<0.1
1.2
<0.050
<5.0
>100%
<10.0
<10.0
1/22/2014
SOO 005
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 007
1 None
No
1
1
1
No
No
No
No
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 10 Of 13 12/10/2014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color Odor Clarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3 N COD WAS Noj+NO,-N Total P O&G AT EG PG
1/22/2014
SDO 008
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 009
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 016
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 018
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 019
None
No
1
1
1
No
No
No
No
1/22/2014
SDO 020
None
No
1
1
1
No
No
No
No
1/22/20141
SDO 026
None
No
1
1
1
No
No
No
No
6.48
1.23
201
0.2031
501
0.1
1.26
0.05
<5.0
>100%
<10.0
<10.0
1/22/2014
SDO 027
None
No
1
1
1
No
No
No
No
6.33
0.72
12.5
<0.10
128
<0.1
1.08
0.053
<5.0
>100%
<10.0
100
1/22/20141
SDO 033
None
No
1
1
1
No
No
Yes
No
6.92
13.07
61
<0.10
201
<0.1
1.95
0.076
<5.0
>100%
<10.0
17.4
1/22/20141
SDO 036
None
No
1
1
1
No
No
No
No
3/4/2014
IS #01
6.76
6.571
12.60
>100%
3/4/2014
IS #02
7.28
5.051
17.05
>100%
3/4/2014
IS #05
7.11
7.46
13.92
>100%
3/4/2014
IS #06
7.21
6.00
16.56
>100%
3/4/2014
IS #07
5.80
4.81
12.97
>100%
3/4/2014
IS #08
5.32
5.80
11.87
>100%
3/4/2014
IS #10
5.39
9.77
13.81
>100%
3/4/2014
IS #11
6.89
18.40
12.33
>100%
3/4/2014
SDO 004
6.54
15.56
22.3
1.52
471
>100%
<10.0
18.7
3/4/2014
SDO 006
6.13
3.60
11.4
2.18
38
>100%
<10.0
<10.0
3/4/2014
SDO 026
6.73
0.46
62.0
11.6
104
70%
<10.0
<10.0
3/4/2014
SDO 027
6.64
1.76
7,500.01
1 0.241
13,100
>100%
89.6
46,800
3/4/20141
SDO 033
1
7.131
0.681
1 121.0
<0.10
128
>100%
<10.0
57.9
3/29/2014
IS #02
5.18
3/29/2014
IS #06
13.71
3/29/2014
IS #08
5.34
3/29/2014
IS #10
7.47
3/29/2014
IS #11
7.43
3/29/2014
SDO 004
19.32
3/29/2014
SDO 006
12.10
3/29/2014
SDO 027
150
4/30/2014
SDO 027
59
5/16/2014
SDO 001
None
No
4
1
1
No
No
No
No
5/16/2014
SDO 002
None
No
4
2
1
No
No
No
No
5/16/2014
SDO 003
Red -Brown
No
3
1
1
No
No
No
No
5/16/2014
SDO 004
Red -Brown
No
2
3
2
Yes
No
No
No
6.47
27.20
<2
156
<0.10
341
<0.1
0.503
0.332
<5.0
5/16/2014
SDO 005
Red -Brown
No
3
2
2
No
No
No
No
5/16/2014
SDO 006
None
No
4
2
1
No
No
NoMNo
6.62
7.63
7.95
12.0
0.128
43
0.162
<0.050
0.320
<5.0
5/16/2014
SDO 007
None
No
4
1
1
No
No
No
5/16/2014
SDO 013
Red -Brown
No
2
3
2
No
No
No
5/16/2014
SDO 017
Red -Brown
No
3
3
2
No
No
No
5/16/2014
SDO 018
Red -Brown
No
3
2
3
No
No
No
5/16/2014
SDO 020
Orange -Brown
No
2
2
1
No
No
No
5/16/2014
SDO 023
Red -Brown
No
2
2
1
No
No
No
5/16/2014
SDO 024
Red -Brown
No
4
1
1
No
No
No
No
6.01
8.90
3.30
7.0
0.114
45
<0.1
0.052
0.078
<5.0
5/16/20141
SDO 025
None
No
1 5
1
2
1 No
No
No
No
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Sheet 11 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (continued)
Date Location
Color OdorClarity FS SS Foam Sheen Eros.Dep. Other
pH Turb. D.O. BOD TSS NH3 N COD WAS NO3+NOi N Total P O&G AT EG PG
5/16/2014
SDO 026
Red -orange
No
5
1
1
No
No
No
No
6.43
3.40
6.66
2.01
0.646
84
<0.11
0.775
0.759d<5.0
5/16/2014
SDO 027
None
No
4
1
1
No
No
No
No
6.30
4.28
<2
4.0
0.362
29
<0.1
0.669
0.0575/16/2014
SDO 028
Red -Brown
No
3
3
3
No
No
No
No
5/16/2014
SDO 029
None
No
4
2
3
No
No
No
No
5/16/2014
SDO 030
Orange -Brown
No
3
2
1
No
No
No
No
6.44
24.40
<2
6.0
0.137
40
<0.1
0.644
0.068
5/16/2014
SDO 031
None
No
4
1
1
No
No
No
No
5/16/2014
SDO 032
None
No
4
1
1
No
No
No
No
5/16/2014
SDO 033
None
No
4
1
1
No
No
No
No
6.42
32.08
6.16
18.0
0.138
21
<0.1
0.256
0.116
<5.0
5/16/2014
SDO 036
Red -Brown
No
2
1
2
No
No
No
No
5/16/2014
SDO 038
None
No
2
1
1
No
No
No
No
5/16/2014
SDO 040
None
No
1
1
1
No
No
No
No
6/10/20141
SDO 027
9
9/17/20141
SDO 004
None
No
1
2
1
Yes
No
No
No
6.66
6.55
1 <2
<6.7
<0.10
71
<0.1
0.790
0.071
<5.0
9/17/20141
SDO 007
None
No
1
1
1
Yes
No
No
No
9/17/20141
SDO 009
None
No
1
1
1
No
No
No
No
9/17/20141
SDO 019
None
No
1
2
1
No
No
No
No
9/17/20141
SDO 020
None
No
1
1
1
No
No
No
No
9/17/2014
SDO 033
None
No
1
1
1
Yes
No
No
No
6.79
2.91
<2
<5.0
0.221
11
<0.1
0.389
0.050
<5.0
9/17/2014
SDO 036
None
No
1
1
1
No
No
No
No
11/24/2014
SDO 001
Orange
No
2
1
1
No
No
No
No
11/24/2014
SDO 002
Orange
No
2
1
1
No
No
No
No
11/24/2014
SDO 003
Orange
No
2
1
1
No
No
No
No
11/24/2014
SDO 004
None
No
1
1
1
No
No
No
No
6.97
14.91
<2
<5.0
<0.10
24
<0.1
0.589
0.083
<5.0
>100%
<10.0
<10.0
11/24/2014
SDO 005
None
No
1
1
1
No
No
No
No
11/24/2014
SDO 007
None
No
1
2
1
No
No
No
No
11/24/2014
SDO 008
None
No
1
2
1
No
No
No
No
11/24/2014
SDO 009
None
No
1
1
1
No
No
No
No
11/24/2014
SDO16A
Orange
No
2
1
1
No
No
No
No
7.22
94.70
2.10
60
<0.10
39
<0.1
0.277
0.128
<5.0
>100%
<10.0
<10.0
11/24/2014
SDO 019
None
No
1
1
1
No
No
No
No
11/24/20141
SDO 020
None
No
1
1
1
No
No
No
No
11/24/2014
SDO 023
None
No
1
1
1
No
No
No
No
11/24/2014
SDO 024
None
No
1
1
1
No
No
No
No
7.13
2.61
<2
<5.0
<0.10
13
<0.1
0.051
0.052
<5.0
>100%
<10.0
<10.0
11/24/2014
SDO 026
None
No
1
1
1
No
No
No
No
6.86
3.03
<2
<5.0
<0.10
16
<0.1
1.01
0.068
<5.0
>100%
<10.0
<10.0
11/24/2014
SDO 030
None
No
1
1
1
No
No
No
No
7.03
2.68
<2
6.601
0.102
5
<0.1
1.26
0.067
<5.0
>100%
<10.0
<10.0
11/24/2014
SDO 031
None
No
1
1
1
No
No
I No
No
11/24/2014
SDO 033
None
No
1
1
1
No
No
No
No
7.19
3.81
30.8
5.60
<0.10
53
<0.1
0.632
0.091
<5.0
>100%
<10.0
20.5
11/24/2014
SDO 036
None No 1 1 1 No No No No
"NO Flow" observations not included
11/24/2014
IS#01
7.03
6.60
11.62
>100%
11/24/2014
IS #02
6.82
14.13
8.93
>100%
11/24/2014
IS #05
Because the final year analytical monitoring of the existing permit term has not been completed prior to
filing the renewal submittal, the last years monitoring results will be submitted within 30 days of receipt of
the laboratory reports.
1
7.48
21.57
9.04
>100%
11/24/2014
IS #06
7.29
17.52
10.51
>100%
11/24/2014
11/24/2014
IS #07
IS #08
7.15
9.63
8.27
>100%
7.37
13.04
9.38
>100%
11/24/2014
IS #10
7.20
34.30
8.61
>100%
11/24/2014
IS #11
6.991
33.681
8.801
1
1
>100%
Piedmont Triad International Airport _ NCS000508
NPDES Permit Renewal Application Sheet 12 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Visual and Analytical Data Summary (additional information)
2.1 Visual Data Parameters
Header
Discharge Characteristics
Data Validation
Color
Color
None/[Color]
Odor
Odor
Yes/No
Clarity
Clarity
clear= 1 /
2 / 3
/ 4
/ 5=cloudy
FS
Floating solids
no solids= 1 /
2 / 3
/ 4
/ 5=covered
SS
Suspended solids
nosolids=1 /
2 / 3
/ 4
/ 5=muddy
Foam
Foam
Yes/No
Sheen
Oil sheen
Yes/No
Eros.Dep.
Erosion or deposition at the outfall
Yes/No
Other
Other obvious indicators of stormwater pollution
Yes/No
Header
Discharge Characteristics
Benchmark Units
pH
pH
6-9 standard
Turb.
Turbidity
50 NTU (effective year 2)
D.O.
Dissolved Oxygen
5 mg/L
BOD
Biochemical Oxygen Demand
30 mg/L
TSS
Total Suspended Solids
100 mg/L
NH3-N
Ammonia -Nitrogen
7.2 mg/L
COD
Chemical Oxygen Demand
120 mg/L
MBAS
Detergents
0.5 mg/L
NO3+NO2-N
Nitrate plus Nitrite -Nitrogen
10 mg/L
Total P
Phosphorus, Total
2 mg/L
O&G
TPH/Non-polar Oil & Grease
15 mg/L
AT
Acute Toxicity
<100 %
EG
Ethylene Glycol
14,000 mg/L
PG
Propylene Glycol
mg/L
Pcpn.
Precipitation
(threshold) 0.10 inches
ADF Aircraft Deicing Fluid Application
(threshold) 100 gallons
2010-2015
Aircraft Deicing Fluid Precipitation Discharge Monitoring
ADF:Date (gal.) Pcpn:Date (in.) DM:Date (schedule)
9/27/2010
1.50
9/27/2010
Year 1 - Period 1
12/1/2010
220
11/30/2010
0.75
12/1/2010
Year 1 - Period 2 / Deicing 1
1/12/2011
193
1/11/2011
0.25
1/12/2011
Year 1 - Deicing 2
1/25/2011
170
1/26/2011
0.45
1/26/2011
Year 1 - Deicing 3
3/16/2011
0.22
3/16/2011
Year 1- Period 3 / Tier Two 1
4/6/2011
130
4/8/2011
0.16
4/9/2011
Year 1 - Deicing 4 / Tier Two 2
5/22/2011
0.39
5/23/2011
Year 1 - Tier Two 3
6/9/2011
0.19
6/10/2011
Year 1 - Period 4
9/21/2011
0.10
9/21/2011
Year 2 - Period 1
11/1/2011
280
11/3/2011
1.94
11/4/2011
Year 2 - Deicing 1
12/6/2011
0.12
12/7/2011
Year 2 - Period 2
12/19/2011
292
12/21/2011
0.12
12/21/2011
Year 2 - Deicing 2
1/20/2012
210
1/20/2012
0.33
1/21/2012
Year 2 - Deicing 3 / Tier Two 1
2/23/2012
1,329
2/23/2012
0.19
2/23/2012
Year 2 - Deicing 4 / Tier Two 2
3/20/2012
0.47
3/21/2012
Year 2 - Period 3 / Tier Two 3
5/6/2012
0.18
5/6/2012
Year 2 - Period 4
9/22/2012
0.16
9/23/2012
Year 3 - Period 1
12/8/2012
0.16
12/8/2012
Year 3 - Period 2
12/14/2012
440
12/16/2012
0.28
12/17/2012
Year 3 - Deicing 1
1/8/2013
215
1/11/2013
0.11
1/11/2013
Year 3 - Deicing 2
1/18/2013
1,754
1/17/2013
3.00
1/18/2013
Year 3 - Deicing 3
1/26/2013
1,060
1/25/2013
0.11
1/26/2013
Year 3 - Deicing 4
2/19/2013
0.22
2/20/2013
Year 3 -Tier Two 1
3/5/2013
0.44
3/6/2013
Year 3 - Period 3
3/20/2013
trace
3/22/2013
Year 3 - Tier Two 2
4/23/2013
0.02
4/23/2013
Year 3 - Tier Two 3
6/2/2013
0.68
6/3/2013
Year 3 - Period 4
9/21/2013
0.71
9/22/2013
Year 4 - Period 1
11/26/2013
260
11/26/2013
0.43
11/26/2013
Year 4 - Period 2 / Deicing 1
12/28/2013
328
12/29/2013
0.75
12/29/2013
Year 4 - Deicing 2 / Tier Two 1
1/21/2014
275
1/21/2014
0.17
1/22/2014
Year 4 - Period 3 / Deicing 3 / Tier Two 2
3/3/2014
2,319
3/3/2014
0.42
3/4/2014
Year 4 - Deicing 4 / Tier Two 3
3/29/2014
0.14
3/29/2014
Year 4 - Tier Two 4
4/29/2014
0.18
4/30/2014
Year 4 - Tier Two 5
5/15/2014
1.60
5/16/2014
Year 4 - Period 4 / Tier Two 6
6/9/2014
0.26
6/10/2014
Year 4 - Tier Two 7
9/16/2014
0.43
9/17/2014
Year 5 - Period 1
11/22/2014
415
11/23/2014
0.74
11/24/2014
Year 5 - Period 2 / Deicing 1
Because the final year analytical
en
al.
ADF application
Year 5 - Deicing 2
monitoring of the existing permit
pending
>100 gal.
ADF ap
Year 5 - Deicing 3
term has not been
completed prior
pending
>100 gal.
ADF application
Year 5 - ei '
to filing the renewal submittal, the
last years monitoring results will be
due
3/31/2015
Year 5 - Period 3
submitted within 30 days of receipt
due
6/30/2015
Year 5 - Period 4
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 13 of 13 1211012014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
4. Best Management Practices
Analysis of Best Management Practices (BMPs) for Piedmont Triad Airport Authority (PTAA) and NPDES
Co-Permittee operations is conducted annually in order to minimize the risk of stormwater pollution at
the Airport. The structural BMPs listed in the North Carolina Department of Environment and Natural
Resources (NCDENR) BMP Toolbox for Public Airports and the procedural BMPs listed in the United
States Environmental Protection Agency (EPA) Industrial Stormwater Fact Sheet Series "Sector S: Vehicle
Maintenance Areas, Equipment Cleanine Areas, or Deicine Areas Located at Air Transportation Facilities"
are being considered in whole or in part for current operations and future development. Pertinent
aspects of applicable regulations including Jordan Water Supply Nutrient Strategy rules, Randleman Lake
Water Supply Watershed rules, and the PTAA Water Supply Watershed Management and Protection
Rules require application of appropriate stormwater BMPs. In addition, major aspects of PTAA's current
development program are subject to the conditions of issued Section 401 (of the Federal Clean Water
Act) Water Quality Certifications from the NCDENR Division of Water Resources (DWR), which specify
BMPs for stormwater discharge. The need for additional BMPs will be based on the assessment of
potential sources to contribute significant quantities of pollutants to stormwater discharges and the
data collected through the stormwater monitoring programs. The status of structural BMPs potentially
applicable to existing and future development at PTIA are summarized in Table 4.1.
Each PTIA co-permittee is requested to complete the SPPP Annual Compliance and Exposure Reduction
Feasibility Survey by January 31st every year. This survey requires review of the technical and economic
feasibility of changing method(s) of operation(s) and/or storage practices to eliminate or reduce
exposure of materials and processes to stormwater. Procedural BMPs in place and/or for potential
consideration at PTIA are listed by pollutant source in Table 4.2
Table 4.1 Airport Structural BMPs
Airport BMP
PTIA Status
Sheet flow, Level Spreaders, and Vegetative Filter Strip
Constructed and in use at PTIA
Grassed Swale
Constructed and in use at PTIA
Bioretention
Not currently in use at PTIA
Infiltration Devices (Infiltration Basin and/or Trench)
Soil types and earthwork compaction
requirements have precluded this practice
at PTIA to -date.
Sand Filter
Constructed and in use at PTIA
Water Harvesting and Cisterns
Not currently in use at PTIA
Extended Dry Detention
Constructed and in use at PTIA
Permeable Pavement
Airfield pavement design requirements
preclude application at PTIA aircraft
movement areas
Proprietary Systems and Innovative Technologies
I Currently in use at PTIA Taxiway E
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 1 of 5 10129120141

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
5. Significant Changes
Changes in design, construction, operation, or maintenance at the Piedmont Triad International Airport
(PTIA) that have a significant effect on the potential for the discharge of pollutants to surface waters
require amendment of the Stormwater Pollution Prevention Plan (SPPP) during annual review. Annual
SPPP revisions have included:
• Lists of significant spills or leaks of pollutants for the previous three years, or the notation that
no spills have occurred.
• Re -certification that active Stormwater Discharge Outfalls (SDOs) have been evaluated for the
presence of non-Stormwater discharges.
• Re-evaluation of the effectiveness of the BMPs listed in the BMP Summary of the Stormwater
Management Plan - completed Annual Compliance Surveys and Semi -Annual Facility Inspection
Surveys document preventative maintenance and good housekeeping and the facility
inspections.
• Tiered Monitoring Responses include documentation of atypical conditions noted during
qualitative monitoring and tiered responses to benchmark exceedances recorded during routine
and deicing event analytical monitoring.
• Employee SPPP Training.
• Annual certification that PTIA is in compliance with 40 CFR Part 449.10(a) by not using airfield
deicing products that contain Urea.
The following changes in industrial activities at PTIA with potential to affect stormwater runoff have
occurred since July 1, 2010:
• Construction projects (no change in NPDES criteria) -
o New Runway 5L/23R
o Taxiway E
o Honda Production Facility
o Taxiway K Extension
o Taxiway E Extension
o Taxiway D Extension
o Aircraft Rescue and Fire Fighting (ARFF) Station
o Timco Apron Widening
o Honda Maintenance Repair and Overhaul (MRO) Facility
o Honda Connector Road
o Taxiway M Extension
• Completion of the New Runway 5L/23R and the Fed Ex and Honda facilities resulted in
compliance monitoring adjustments (NCDENR concurred 06/25/2012) -
o SDO 021 outfall (and monitoring) eliminated, stormwater rerouted to SDO 020
o SDO 022 outfall (and monitoring) eliminated, stormwater rerouted to SOO 023
o Fed Ex Pond 2 Inlet 34 monitoring discontinued due to non-SDO status
o Fed Ex Pond 3 Inlets 35 and 37 monitoring discontinued due to non-SDO status
o Honda Pond 1 Inlet 39 monitoring discontinued due to non-SDO status
o SDO 040 monitoring added at completion of Honda Production facility
o SDO 062 monitoring added at completion of New Runway 5L/23R
o SDO 003 moved approximately 200 feet downslope at completion of Honda MRO facility
• Repair and downstream stabilization of SDO's 023, 030, and 033 recommended by NCDENR
based on monitored turbidity benchmark exceedances (NCDENR concurred 09/08/2014)
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 1 of 2 1112612014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Significant Changes (continued)
Updates to the 2010 Tenants (NCDENR notified 12/05/2011) result in potential Co-Permittee
changes (see Table 5.1 for list of suggested 2015 Co-Permittees) -
o DynamicAirways and JBTAeroTech are new (since 2010) PTIA tenants
o Alamo/National Car Rental and Enterprise Rental Car share facilities; Carolina Aircraft
and Koury Aviation share facilities; Delta Airlines, Frontier Airlines, and Delta Global
Services share facilities; Allegiant Air industrial activity is the responsibility of Quontem
Aviation Services; Jetstream Ground Services is responsibility of Envoy, Piedmont Triad
ARFF Station/Command Ctr. is the responsibility of Piedmont Triad Airport Authority
(PTAA); Avis Rent A Car merged with Budget Rent a Car, Continental Airlines merged
with United Airlines; US Airways merged with American Eagle and are now Envoy;
Cessna is now Textron Atlantic Aero has been acquired by Landmark; and Timco is now
Haeco Airframe Services.
o Chotouqua Airlines (now Republic Airlines), Sondhill Delivery Service, TAA Flight Training,
Triad Transportation, and Worldwide Flight Services present no exposure potential.
AvisBudget, Enterprise, and Hertz propose no exposure certification.
o 360Comm unications/American Tower, Clear Channel lnterspaceAirports, FAA, G4S
Secure Solutions, Interstate Telecommunications, Level Communications, Marriott,
Parodies -Triad Gift Shops, Preferred Building Maintenance, Prime Flight Services, Prism
Group, Select Service Partner, Shoeshine Partner, Triad Aviation Academy, Truliont
Federal Credit Union, US Ground Services, and Wells Fargo Bank perform no industrial
activities [vehicle maintenance (including vehicle rehabilitation, mechanical repairs,
painting, fueling, and lubrication); equipment cleaning operations; or airport deicing
operations] at their PTIA facilities.
o Aviation Repair Technologies, Champion Cartage, Comair, Northwest Airlines, Premier
Transportation, Quickflight Services, Smartecarte, Tradewinds (now Skylease Cargo), and
United States Postal Service are no longer PTIA tenants
o Arc Ventures, Big Daddy Detailing, DollarThrifty, Sharpe Bros., and USA Parking Valet are
not located at the Airport, but lease separate, off -site parcels owned by PTAA
Table 5.1 Suggested 2015 PTIA NPDES Co-Permittees
1.
Delta
2.
DHL
3.
Dynamic
4.
Envoy
5.
Fed Ex
6.
GTCC
7.
Haeco
8.
Honda
9.
JBT
10.
Koury
11.
Landmark
12.
LFG
13.
PTAA
14.
Quantem
15.
Textron
16.
United
17.
UPS
18.
VF
The gas turbine compressor washing process proposed in September 2011 by Comair was reviewed by
NCDENR but not instigated at PTIA and Comair is no longer an Airport tenant.
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 2 of 2 1112612014

North Carolina Division of Energy, Mineral, and Land Resources - Stormwater Permitting
Facility Name:
Permit Number:
Location Address:
County:
Guilford
"I certify, under penalty of law, that the Stormwater Pollution Prevention Plan (SPPP) document and all
attachments were developed and implemented under my direction or supervision in accordance with a system
designed to assure that qualified personnel properly gather and evaluate the information required by the SPPP.
Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information gathered is, to the best of my knowledge and belief, true,
accurate and complete."
And
" I certify that the SPPP has been developed, signed and retained at the named facility location, and the SPPP
has been fully implemented at this facility location in accordance with the terms and conditions of the
stormwater discharge permit."
And
" I am aware that there are significant penalties for falsifying information, including the possibility of fines and
imprisonment for knowing violations."
Kevin J. Baker, P.E. Executive Director
Print or type name of person signing above Title
SPPP Certification 10/13

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Best Management Practices (continued)
Pollutant Source
Airport BMP
PTIA Status
areas
Maintain good integrity of all storage containers (e.g., used oils, hydraulic fluids, spent solvents,
waste aircraft fuel).
SPPP Preventative Maintenance and Good Housekeeping Program
Create a centralized storage area for waste materials.
SPPP Preventative Maintenance and Good Housekeeping Program
Cover and/or enclose chemical storage areas (including temporary cover such as a tarp that
prevents contact with precipitation).
SPPP Preventative Maintenance and Good Housekeeping Program
Provide secondary containment around chemical storage areas.
SPCC Plan
If containment structures have drains, ensure that the drains have valves, and that valves are
maintained in the closed position. Institute protocols for checking/testing stormwater in
containment areas prior to discharge.
SPCC Plan
Locate storage areas away from high traffic areas and surface waters.
SPPP Preventative Maintenance and Good Housekeeping Program
Inspect storage tanks and piping systems (pipes, pumps, flanges, couplings, hoses, and valves) for
failures or leaks and perform preventive maintenance.
SPCC Plan
Plainly label all containers.
SPPP Preventative Maintenance and Good Housekeeping Program
Maintain an inventory of fluids to identify leakage.
SPPP Preventative Maintenance and Good Housekeeping Program
Provide fluid level indicators.
SPCC Plan
Properly dispose of chemicals that are no longer in use.
SPPP Preventative Maintenance and Good Housekeeping Program
Store and handle reactive, ignitable, or flammable liquids in compliance with applicable local fire
codes, local zoning codes and the National Electric Code.
SPPP Preventative Maintenance and Good Housekeeping Program
Provide drip pads/pans where chemicals are transferred from one container to another to allow for
recycling of spills and leaks.
SPPP Preventative Maintenance and Good Housekeeping Program
Develop and implement spill plans or spill prevention, containment, and countermeasure (SPCC)
plans, if required for your facility.
SPCC Plan adopted and implemented
Train employees ins ill prevention and control and proper materials management.
SPCC and SPPP training conducted annual)
Airport fuel
system and
Conduct fueling operations (including the transfer of fuel to tank trucks) on an impervious or
contained pad and under a roof or canopy where possible. Covering should extend beyond spill
containment ad to prevent rain from entering.
SPCC Plan
fueling areas
When fueling in uncovered area, use concrete pad (asphalt is not chemically resistant to the fuels
being handled).
Commercial aircraft fueling is currently conducted on concrete pavement. GA aircraft fueling is conducted on
asphalt pavement
Develop and implement a system to report any spill exceeding 5 feet in any direction or which has
entered the storm drainage system.
SPCC Plan specifies spill reporting
Use drip pans and absorptive materials beneath aircraft during fueling operations where leaks or
spills of fuel can occur and where making and breaking hose connections.
SPCC Plan
Use fueling hoses with check valves to prevent hose drainage after filling.
SPCC Plan
Insure that storm water valves, plugs and similar appurtenances are closed during fuel transfer
operations.
SPCC Plan
Provide spill kits on all fuel trucks, at fueling stations, in each hangar and at strategic locations. Each
kit should have at a minimum, loose absorbent, pigs, broom and shovel. Store used materials in
individual sealed container and labeled to ensure proper handling and disposal as a hazardous
material.
SPCC Plan
spill cleanup materials readily available.
SPCC Plan
—Keep
Clean up spills and leaks immediately.
SPCC Planspecifies immediate leak ands ill clean u
Use dry cleanup methods for fuel areas rather than hosing down the fuel area. Sweep up absorbents
as soon asspilled substances have been absorbed.
SPCC Plan
Uses ill and overflow protection devices.
SPCC Plan
Minimize run-on of stormwater into the fueling area by grading the area such that stormwater only
runs off.
Collect stormwater runoff and provide treatment or recycling.
SMP
Provide curbing or posts around fuel pumps to prevent collisions from vehicles.
Protection provided against collision
Regularly inspect and perform preventive maintenance on fuel storage tanks to detect potential
leaks before they occur.
SPCC Plan specifies fuel storage tank inspection and maintenance
Inspect the fueling area for leaks ands ills.
SPCC Plan
Do not allow "topping off' of the fuel in the receiving equipment.
SPCC Plan
Train personnel on vehicle fueling BMPs.
SPCC and tenant plans
Piedmont Triad International Airport NC5000508
NPDES Permit Renewal Application Page 4 of 5 10/29/2014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Best Management Practices (continued)
Pollutant Source
Airport BMP
PTIA Status
Storing liquid
If area is uncovered, connect sump outlet to sanitary sewer (if allowed by the sewer authority) or an
fuels
oil/water separator, catch basin filter, etc. If connecting to a sanitary sewer check with the system
operator to ensure that the discharge is acceptable. If implementing separator or filter technologies
ensure that regular inspections and maintenance procedures are in place.
Develop and implement spill plans.
SPCC Plan adopted and implemented
Train employees ins ill prevention and control.
SPCC training conducted annual)
Provide secondary containment, such as dikes, with a height sufficient to contain a spill (the greater
SPCC Plan adopted and implemented
of 10 percent of the total enclosed tank volume or 110 percent of the volume contained in the
largest tank).
If containment structures have drains, ensure that the drains have valves, and that valves are
SPCC Plan adopted and implemented
maintained in the closed position. Institute protocols for checking/testing stormwater in
containment areas prior to discharge.
Use double -walled tanks with overflow protection.
SPCC Plan adopted and implemented
Keep liquid transfer nozzles/hoses in secondary containment area.
applied at all PTIA facilties
Store drums indoors when possible.
applied at all PTIA facilities
Store drums, including empty or used drums, in secondary containment with a roof or cover
applied at all PTIA facilities
(including temporary cover such as a tarp that prevents contact with precipitation).
Provide secondary containment, such as dikes or portable containers, with a height sufficient to
SPCC Plan adopted and implemented
contain a spill (the greater of 10 percent of the total enclosed tank volume or 110 percent of the
volume contained in the largest tank).
Clearly label drum with its contents.
applied at all PTIA facilities
Deicing chemical
I Store bulk aircraft deicing fluids in contained areas.
ADF subject to SPCC Plan at PTIA
loading areas
Load deicing trucks in contained areas.
ADF subject to SPCC Plan at PTIA
Piedmont Triad International Airport NC5000508
NPDES Permit Renewal Application Page 5 of 5 1012912014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Best Management Practices (continued)
Table 4.2 Procedural BMPs for Potential Pollutant Sources at Air Transportation Facilities
Pollutant Source
Airport BMP
PTIA Status
Deicing/anti-icing
Establish a centralized aircraft deicing station with containment of surface and subsurface drainage.
Impractical due to space constraints and costs to construct
aircraft
To reduce deicing fluid applied:- Forced -air deicing systems
To reduce deicing fluid applied:- Computer -controlled fixed -gantry systems
Impractical due to space constraints and costs to construct
To reduce deicing fluid applied:- Infrared technology
To reduce deicing fluid applied:- Hot water
To reduce deicing fluid applied:- Varying I col content to air temperature
To reduce deicing fluid applied:- Enclosed -basket deicing trucks
To reduce deicing fluid applied:- Mechanical methods
To reduce deicing fluid applied:- Solar radiation
To reduce deicing fluid applied:- Hangar storage
Aircraft operations of commercial aircraft preclude storage with deicing necessary to meet airline schedule
requirements
To reduce deicing fluid applied:- Aircraft covers
General aviation may allow for this effort, but covers would need to be provided by the aircraft owners to ensure
covers are adequate for each individual aircraft
To reduce deicing fluid applied:- Thermal blankets for MD-80s and DC-9s
Apply deicing fluid and anti-icer to planes on deicing pads if available.
Impractical due to space constraints and cost to construct. PTIA is considering designating dedicated locations to
deice aircraft on the existing aprons to minimize exposure
Apply anti-icer to aircraft that will be parked overnight to make it easier to remove accumulated
snow and ice in the morning.
Apply anti-icer to aircraft immediately after deicing to provide extended hold -over time prior to
take -off.
Ensure that stormwater inlets are blocked when deicing/anti-icingcleicing/anti-icing during dry weather.
Use mechanical vacuum systems or other devices to collect aircraft deicing runoff from the apron
surface for proper disposal.
Dispose collected aircraft deicing runoff to sanitary sewage facility (if allowed by sewer authority),
on -site treatment or recycle resell or reuse).
Use portable tanks, retention and detention ponds for temporary storage of collected deicing
runoff.
Currently in place at FedEx facility. Commercial and GA aprons would require significant upfit to facilitate this
operation
Collect contaminated runoff in a wet pond for biochemical decomposition (be aware of attracting
wildlife that may rove hazardous to flight operations).
Inconsistent with FAA AC 150/5200-33B due to potential for wet pond to attract wildlife
Recover and recycle/dispose of unused deicing fluids in deicing trucks.
Recover deicing materials when applied during non -precipitation events (e.g., covering storm sewer
inlets, using booms, installing absorptive interceptors in the drains, etc.) to prevent materials from
later contaminating stormwater.
Deicing/anti-icing
Evaluate and optimize present chemical application rates
runways and
Use sand where possible to enhance friction.
Using sand or salt as deicers and anti-icers in airports can cause damage to aircraft surfaces and mechanical parts
Plow and broom runways prior to application of deicing chemicals.
Practice currently implemented
pads
Heat solid deicers and sand prior to application.
Using sand or salt as deicers and anti-icers in airports can cause damage to aircraft surfaces and mechanical parts
Install and calibrate devices to meter the amount of pavement deicer being applied.
Emphasize anti -icing operations which minimize the need to deice.
Install runway ice detections stems("pavement sensors" to monitor pavement temperatures.
Pre -wet with liquid deicers to improve adhesion of solid deicers to the iced surface.
Use deicers which have less of an environmental impact (e.g. sodium formate and potassium
acetate as opposed to urea and glycol).
Urea application has been discontinued since 2010 and use of non -urea deicers is certified annually
Ensure proper handling and disposal of unused deicing chemicals in vehicles.
Use ice detections stems.
Use airport traffic flow strategies and departure slot allocations stems.
Aircraft, ground
vehicle, and
Eliminate floor drains that are connected to the storm or sanitary sewer; if necessary, install a sump
that is pumped regularly. Collected wastes should be properly treated or disposed of by a licensed
waste disposal company.
equipment
Prevent and contains ills and drips.
SPPP Preventative Maintenance and Good Housekeeping Program
maintenance
Do all cleaning at a centralized station so the solvents stay in one area.
SPPP Preventative Maintenance and Good Housekeeping Program
areas (including
Remove any parts that are dipped in liquid slowly to avoids ills.
SPPP Preventative Maintenance and Good Housekeeping Pro ram
aircraft service
Use drip pans, drain boards and drying racks to direct drips back into a fluid holding tank for reuse.
SPCC
Drain all parts of fluids prior to disposal. Oil filters can be crushed and recycled.
SPCC
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 2 of 5 10/29/2014

Supplemental Information Required for Renewal of Individual NPDES Stormwater Permit
Best Management Practices (continued)
Pollutant Source
Airport BMP
PTIA Status
areas)
Transfer used fluids to the proper container promptly; do not leave full drip pans or other open
containers around the shop. Empty and clean drip pans and containers.
SPCC
Clean up leaks, drips, and other spills without using large amounts of water. Use absorbents for dry
cleanup whenever possible.
SPCC
Prohibit the practice of hosing down an area where the practice would result in the discharge of
pollutants to a stormwater system.
SPPP Preventative Maintenance and Good Housekeeping Program
Prohibit pouring liquid waste into floor drains, sinks, outdoor storm drain inlets, or other storm
drains or sewer connections.
SPPP Preventative Maintenance and Good Housekeeping Program
Maintain an organized inventory of materials.
SPPP Preventative Maintenance and Good Housekeeping Program
Eliminate or reduce the number and amount of hazardous materials and waste by substituting
nonhazardous or less hazardous materials.
SPPP Preventative Maintenance and Good Housekeeping Program
Label and track the recycling of waste material e.. used oil spent solvents batteries).
SPPP Preventative Maintenance and Good Housekeeping Program
Store batteries and other significant materials inside.
SPPP Preventative Maintenance and Good Housekeeping Program
Dispose of greasy rags, oil filters, air filters, batteries, spent coolant, and degreasers in compliance
with RCRA regulations.
Perform all cleaning operations indoors or under covering when possible. Conduct the cleaning
operations in an area with a concrete floor with no floor drainage other than to sanitary sewers or
treatment facilities.
SPPP Preventative Maintenance and Good Housekeeping Program
If operations are uncovered perform them on a concrete pad that is impervious and contained.
Park vehicles and equipment indoors or under a roof whenever possible and maintain proper
control of oil leaks/spills.
SPPP Preventative Maintenance and Good Housekeeping Program
Check vehicles closely for leaks and use pans to collect fluid when leaks occur.
SPCC
Use berms, curbs, grassed swales, or other diversion measures to ensure that stormwater runoff
from other parts of the facility does not flow over the maintenance area.
Collect the stormwater runoff from the cleaning area and provide treatment or recycling.
Discharge vehicle wash or rinse water to the sanitary sewer (if allowed by sewer authority),
wastewater treatment, a land application site, or recycle on -site. DO NOT discharge washwater to a
storm drain or to surface water.
Inspect the maintenance area regularly to ensure BMPs are implemented.
SPPP semi-annual Facility Inspections
Inspect the maintenance area regularly for proper implementation of control measures.
SPPP semi-annual Facility Inspections
Train employees on proper waste control and disposal procedures.
SPPP training conducted annual)
Aircraft, ground
Perform all cleaning operations indoors.
SPPP Preventative Maintenance and Good Housekeeping Program
vehicle, and
Confine activities to designated areas outside drainage pathways and away from surface waters.
SPPP Preventative Maintenance and Good Housekeeping Program
equipment
If washing outdoors, cover the cleaning operation and ensure that all washwaters drain to the
intended collections stem.
SPPP Preventative Maintenance and Good Housekeeping Program
cleaning areas
Use phosphate -free biodegradable detergents.
SPPP Preventative Maintenance and Good Housekeeping Program
Contain and recycle washwaters.
SPPP Preventative Maintenance and Good Housekeeping Program
Collect stormwater runoff from the cleaning area and provide treatment or recycling.
Inspect cleaning area regularly to ensure BMPs are implemented and maintained.
SPPP semi-annual Facility Inspections
Train employees on proper washing procedures.
SPPP training conducted annual)
Aircraft, ground
Store aircraft, ground vehicles and equipment indoors.
SPPP Preventative Maintenance and Good Housekeeping Program
vehicle, and
Cover the storage area with a roof.
SPPP Preventative Maintenance and Good Housekeeping Program
Store aircraft ground vehicles and equipment awaiting maintenance in designated areas only.
SPPP Preventative Maintenance and Good Housekeeping Program
equipment
Park leaking deicing trucks in contained areas.
SPPP Preventative Maintenance and Good Housekeeping Program
storage areas
Install perimeter drains, berms, and dikes around storage areas to limit run-on.
SPPP Preventative Maintenance and Good Housekeeping Program
Use absorbents for dry cleanup fors ills and leaks.
SPPP Preventative Maintenance and Good Housekeeping Program
Use drip pans under all vehicles and equipment for the collection of fluid leaks.
SPPP Preventative Maintenance and Good Housekeeping Program
Clean pavement surface to remove oil and grease without using large amounts of water.
SPPP Preventative Maintenance and Good Housekeeping Program
Regularly sweep area to minimize debris on the ground.
SPPP Preventative Maintenance and Good Housekeeping Program
Provide dust control if necessary. When controlling dust, sweep and/or apply water or materials that
will not impact surface or ground water.
Dust control regularly provided on construction projects, typically utilizing water
Inspect the storage yard for filling drip pans regularly to ensure BMPs are implemented.
SPPP semi-annual Facility Inspections
Train employees on procedures for storage and inspection items.
SPCC and SPPP training conducted annual)
Store materials indoors.
SPPP Preventative Maintenance and Good Housekeeping Program
Piedmont Triad International Airport NCS000508
NPDES Permit Renewal Application Page 3 of 5 1012912014

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