NCG060039_DMR_20200914

GENERAL PERMIT NO. NCG060000
CERTIFICATE OF COVERAGE NO. NCG060039
FACILITY NAME Grifols Therapeutics LLC
PERSON COLLECTING SAMPLES David S. Graham
CERTIFIED LABORATORY Pace Analytical
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
COUNTY Johnston
PHONE NO. [phone]
Lab #NC/WW cert #012
PLEASE SIGN ON THE REVERSE 4
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00340
00556
00400
00530
Chemical Oxygen Demand,
Oil and Grease,
m
pH,
Standard units
Total Suspended Solids,
m
Benchmark
120
30
6.0 — 9.0
100
1
09-01-20
24.8
ND <5.0
6.8
18.2
u pp
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier 1 or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?_ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity onitoring Requirements
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00556
00530
00400
Oil and Grease,
m
Total Suspended Solids,
m
pH,
Standard units
New Motor Oil Usage,
Average annual al/mo
Benchmark
30
100
6.0 — 9.0
SEP 21 2020
CENTIW,L FILES
DWR SECTIOAI
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 09-01-20 (first event sampled)
Total Event Precipitation (inches): 5.18
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
SWU-248-102107
Page 1 of 2

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GENERAL PERMIT NO. NCG060000
CERTIFICATE OF COVERAGE NO. NCG060039
FACILITY NAME Grifols Therapeutics LLC
PERSON COLLECTING SAMPLES David S. Graham
CERTIFIED LABORATORY Pace Analytical
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
COUNTY Johnston
PHONE NO. [phone]
Lab #NC/W W cert #012
PLEASE SIGN ON THE REVERSE 4
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00340
00556
00400
00530
Chemical Oxygen Demand,
m
Oil and Grease,
m
pH,
Standard units
Total Suspended Solids,
m
Benchmark
120
30
6.0 — 9.0
100
2
09-01-20
27.1
ND <5.0
6.4
34.6
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier 1 or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?_ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00556
00530
00400
Oil and Grease,
m
Total Suspended Solids,
m
pH,
Standard units
New Motor Oil Usage,
Average annual al/mo
Benchmark
30
100
6.0 — 9.0
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 09-01-20 (first event sampled)
Total Event Precipitation (inches): 5.18
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
SWU-248-102107
Page 1 of 2

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GENERAL PERMIT NO. NCG060000
CERTIFICATE OF COVERAGE NO. NCG060039
FACILITY NAME Grifols Therapeutics LLC
PERSON COLLECTING SAMPLES David S. Graham
CERTIFIED LABORATORY Pace Analytical
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
COUNTY Johnston
PHONE NO. [phone]
Lab #NC/WW cert #012
PLEASE SIGN ON THE REVERSE 4
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00340
00556
00400
00530
Chemical Oxygen Demand,
mg1L
Oil and Grease,
mg1L
pH,
Standard units
Total Suspended Solids,
m /L
Benchmark
120
30
6.0 — 9.0
100
3
09-01-20
22.4
ND <5.0
73
5.9
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier 1 or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?_ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity onitoring Requirements
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00556
00530
00400
Oil and Grease,
m
Total Suspended Solids,
mg1L
pH,
Standard units
New Motor Oil Usage,
Average annual gallmo
Benchmark
30
100
6.0 — 9.0
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier I or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 09-01-20 (First event sampled)
Total Event Precipitation (inches): 5.18
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
SWU-248-102107
Page I of 2

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GENERAL PERMIT NO. NCG060000
CERTIFICATE OF COVERAGE NO. NCG060039
FACILITY NAME Grifols Therapeutics LLC
PERSON COLLECTING SAMPLES David S. Graham
CERTIFIED LABORATORY Pace Analytical
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
COUNTY Johnston
PHONE NO. [phone]
Lab #NC/W W cert #012
PLEASE SIGN ON THE REVERSE ->
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00340
00556
00400
00530
Chemical Oxygen Demand,
m /L
OR and Grease,
mgfL
pH,
Standard units
Total Suspended Solids,
m /L
Benchmark
120
30
6.0 - 9.0
100
4
09-01-20
24.8
ND <5.0
6.7
10.6
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier 1 or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity Monitorine Requirements
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00556
00530
00400
Oil and Grease,
m /L
Total Suspended Solids,
m
pH,
Standard units
New Motor Oil Usage,
Average annual al/mo
Benchmark
30
100
6.0 - 9.0
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 09-01-20 (first event sampled)
Total Event Precipitation (inches): 5.18
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
SWU-248-102107
Page 1 of 2

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GENERAL PERMIT NO. NCG060000
CERTIFICATE OF COVERAGE NO. NCG060039
FACILITY NAME Grifols Therapeutics LLC
PERSON COLLECTING SAMPLES David S. Graham
CERTIFIED LABORATORY Pace Analytical
Part A: Specific Monitoring Requirements
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
COUNTY Johnston
PHONE NO. [phone]
Lab #NC/W W cert #012
PLEASE SIGN ON THE REVERSE 4
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00340
00556
00400
00530
Chemical Oxygen Demand,
m
Oil and Grease,
m
pH,
Standard units
Total Suspended Solids,
m
Benchmark
120
30
6.0 — 9.0
100
5
09-01-20
29.5
ND <5.0
6.8
55.8
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier I or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month?_ yes X no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activity onitoring Re uirements
Outfall
No.
Date
Sample Collected,
mo/dd/ r
00556
00530
00400
Oil and Grease,
m
Total Suspended Solids,
mg1L
pH,
Standard units
New Motor Oil Usage,
Average annual al/mo
Benchmark
30
100
6.0 — 9.0
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier 1 or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 09-01-20 (first event sampled)
Total Event Precipitation (inches): 5.18
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
SWU-248-102107
Pagel of 2

A
IA DENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out thisform, please visit: http://portal.ncdenr.org/web/Ir/npdes-stormwater/
Permit No.: N/G/-Q/Q/ 0/ 0/0/0/0/ or Certificate of Coverage No.: N/C/G/0/¢/0/0/3./�/
Facility Name: Grifols Therapeutics LLC
County: Johnston Phone No. 919-359-5473
Inspector: David S. Graham
Date of Inspection: 09-01-20
Time of Inspection: 1025
Total Event Precipitation (inches): 5.18
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring mustbe performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or
Page 1 of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. 3 Structure (pipe, ditch, etc.) Drain Pipe
Receiving Stream: Tributary to the Neuse River
Describe the industrial activities that occur within the outfall drainage area:
Pharmaceutical Manufacturing
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear with a medium brown tint
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): None
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of Floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe: None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 7/31/2013

A��
I�CDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: htW://12ortal,ncdenr.org/web/Ir/nudes-stormwater/
Permit No.: or Certificate of Coverage No.: N/C/G/0/¢/Q/Q/3/9/
Facility Name: Grifols Therapeutics LLC
County: Johnston Phone No. 919-359-5473
Inspector: David S. Graham
Date of Inspection: 09-01-20
Time of Inspection: 0925
Total Event Precipitation (inches): 5.18
Was this a "Representative Storm Event" or "Measureable Storm Event' as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event' or during a "measureable storm event" However,
some permits do not have this requirement Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of
Page 1 of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. 1 Structure (pipe, ditch, etc.) Stream
Receiving Stream: Tributary to the Neuse River
Describe the industrial activities that occur within the outfall drainage area:
Pharmaceutical Manufacturing
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear with a medium brown tint
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): None
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
5. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with Floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe: None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 7/31/2013

NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidanceonftllingout thisform,please visit. http,//portal.ncdenr.orii/web/Ir/nudes-stormwater/
Permit No.: or Certificate of Coverage No.: Nl/C/CQ/0/6/Q/Q/3/9/
Facility Name: Grifols Therapeutics LLC
County: Johnston Phone No. 919-359-5473
Inspector: David S. Graham
Date of Inspection: 09-01-20
Time of Inspection: 0950
Total Event Precipitation (inches): 5.18
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or
Pagel of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. 2 Structure (pipe, ditch, etc.) Ditch exiting existing pond
Receiving Stream: Tributary to the Neuse River
Describe the industrial activities that occur within the outfall drainage area:
Pharmaceutical Manufacturing
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear with a medium brown tint
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): None
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of Floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe: None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 7/31/2013

MENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance onfilling out thisform, please visit: hitp://portal.ncdenr.org/webWnpdes-stormwater/
Permit No.: or Certificate of Coverage No.:
Facility Name: Grifols Therapeutics LLC
County: Johnston Phone No. 919-359-5473
Inspector: David S. Graham
Date of Inspection: 09-01-20
Time of Inspection: 1020
Total Event Precipitation (inches): 5.18
Was this a "Representative Storm Event" or "Measureable Storm Event' as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring mustbe performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event" is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or
Pagel of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. 4 Structure (pipe, ditch, etc.) Pipe from Pond
Receiving Stream: Tributary to the Neuse River
Describe the industrial activities that occur within the outfall drainage area:
Pharmaceutical Manufacturing
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear with a medium brown tint
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): None
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of Floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with Floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe: None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
Page 2 of 2
SWU-242, Last modified 7/31/2013

NCCDEWR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance onfilling out thisform, please visit., http://portal.ncdenr.oriz/web/Ir/npdes-stormwater/
Permit No.: N/0/Q/Q/Q/Q/0/D/D/ or Certificate of Coverage No.: N/D/D/0/6/0/0/3/9/
Facility Name: Grifols Therapeutics LLC
County: Johnston Phone No. 919-359-5473
Inspector: David S. Graham
Date of Inspection: 09-01-20
Time of Inspection: 0945
Total Event Precipitation (inches): 5.18
Was this a "Representative Storm Event' or "Measureable Storm Event" as defined by the permit?
(See information below.)
® Yes ❑ No
Please verify whether Qualitative Monitoring must be performed during a "representative storm
event" or "measureable storm event" (requirements vary, depending on the permit).
Qualitative monitoring requirements vary. Most permits require qualitative monitoring to be
performed during a "representative storm event" or during a "measureable storm event" However,
some permits do not have this requirement. Please refer to these definitions, if applicable.
A "representative storm event' is a storm event that measures greater than 0.1 inches of rainfall
and that is preceded by at least 72 hours (3 days) in which no storm event measuring greater than
0.1 inches has occurred. A single storm event may contain up to 10 consecutive hours of no
precipitation.
A "measurable storm event' is a storm event that results in an actual discharge from the
permitted site outfall. The previous measurable storm event must have been at least 72 hours
prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter
interval is representative for local storm events during the sampling period, and the permittee
obtains approval from the local DWQ Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Signature of Permittee or
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1. Outfall Description:
Outfall No. 5 Structure (pipe, ditch, etc.) Creek
Receiving Stream: Tributary to the Neuse River
Describe the industrial activities that occur within the outfall drainage area:
Pharmaceutical Manufacturing
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: clear with a medium brown tint
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): None
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 2 3 4 5
S. Floating Solids: Choose the number which best describes the amount of floating solids in
the stormwater discharge, where 1 is no solids and 5 is the surface covered with Floating solids:
1 2 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended
solids in the stormwater discharge, where 1 is no solids and 5 is extremely muddy:
1 2 3 4 5
7. Is there any foam in the stormwater discharge? Yes No
8. Is there an oil sheen in the stormwater discharge? Yes No
9. Is there evidence of erosion or deposition at the outfall? Yes No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe: None
Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition
may be indicative of pollutant exposure. These conditions warrant further investigation.
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