NCG030609_2021 DMR_20210615

AKG North American Operations, Inc.
06/10/2020
Dear Sir or Madam,
Please find enclosed two copies of monitoring report results as required by General Permit NCG030000
for AKG North American Operations, Inc., Outfalls #1 & 2, for the month of June 2021.
No results exceeded the benchmarks for our permit.
Thank you.
Sincerest Regards,
aria HS Manager
/ North American Operations, Inc.
7315 Oakwood St. Ext I P.O. Box 370 1 Mebane, NC 27302
Office: [phone] 1 Fax [phone] Mobile: [phone]
Diego. Faria Cabakg-america.com
www.akq-america.com
7315 Oakwood Street Extension 925 West Quince Street
Mebane North Carolina 27302 Mitchell, South Dakota 57301
Tel: [phone] Fax: [phone] Tel: [phone] Fax: [phone]

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A�
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: httl2:1/portal.ncdenr.orglweb/lr/nodes-stormwater/
Permit No.: N/C/ G / 0 / 3 / 0 / 0 / 0 / 0 / or Certificate of Coverage No.:
Facility Name: AKG North American Operations, Inc.
County: Orange Phone No. [phone]
Inspector: Diego A. Faria
Date of Inspection: 06/03/2021
Time of Inspection: 7:15 AM
Total Event Precipitation (inches): _1.75
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.
i
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:
rmittee or Designee)
Pagel of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. #1 Structure (pipe, ditch, etc.) Concrete
Receiving Stream: Haw
Describe the industrial activities that occur within the outfall drainage area:
Manufacturer of aluminum heat exchangers
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Clear
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): Odorless
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1(i) 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:
CD 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(D
3 4 5
7. Is there any foam in the stormwater discharge? Yes CD
8. Is there an oil sheen in the stormwater discharge? Yes CD
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

LWIWA
NCDENR
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
Forguidance on filling out this form, please visit: http://portal.ncdenr.org/webllrInpdes-stormwaterI
Permit No.: N/C/ G / 0 / 3 / 0 / 0 / 0 / 0 / or Certificate of Coverage No.:
Facility Name: AKG North American Operations, Inc.
County: Orange Phone No. [phone]
Inspector: Diego A. Faria
Date of Inspection: 06/03/2021
Time of Inspection: 9:45 AM
Total Event Precipitation (inches): _1.75
Was this a "Representative Storm Event" or "Measureable Storm Event" as defined by the permit?
(See information below.)
NER
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 cerVfyj.hat this report is accurate and complete to the best of my knowledge:
(Signatjpt,dP mittee or Designee)
Pagel of 2
SWU-242, Last modified 7/31/2013

1. Outfall Description:
Outfall No. #1 Structure (pipe, ditch, etc.) Concrete
Receiving Stream: Haw
Describe the industrial activities that occur within the outfall drainage area:
Manufacturer of aluminum heat exchangers
2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint
(light, medium, dark) as descriptors: Light Blue
3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil,
weak chlorine odor, etc.): Odorless
4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is
clear and 5 is very cloudy:
1 (D 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:
CD 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:
CD 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 CD
9. Is there evidence of erosion or deposition at the outfall? CD
No
10. Other Obvious Indicators of Stormwater Pollution:
List and describe:
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

Meritech, Inc.
Environmental Laboratory
a
Laboratory Certification No. 165
Report Date: 6/10/2021
Client: AKG North American Operations, Inc.
7315 Oakwood Street Ext.
Mebane, NC 27302
NPDES #:
P.O. #:
Date Sample Rcvd:
NCO02174
92093
6/3/2021
Meritech Work Order #
060321138
Sample: Outfall #1 Grab
6/3/2021
Parameters
Results
Analvsis Date
Reporting Limit
Method
Total Suspended Solids
11 mg/L
6/4/21
2.5 mg/L
SM 2540 D
Aluminum, total
0.106 mg/L
6/9/21
0.050 mg/L
EPA 200.7
Cadmium, total
<0.002 mg/L
6/9/21
0.002 mg/L
EPA 200.7
Chromium, total
<0.005 mg/L
6/9/21
0.005 mg/L
EPA 200.7
Copper, total
0.002 mg/L
6/9/21
0.002 mg/L
EPA 200.7
Iron, total
0.364 mg/L
6/9/21
0.025 mg/L
EPA 200.7
Lead, total
<0.010 mg/L
6/9/21
0.010 mg/L
EPA 200.7
Magnesium, total
0.256 mg/L
6/9/21
0.005 mg/L
EPA 200.7
Mercury, total
<0.0002 mg/L
6/8/21
0.0002 mg/L
EPA 245.1
Nickel, total
<0.010 mg/L
6/9/21
0.010 mg/L
EPA 200.7
Zinc, total
0.012 mg/L
6/9/21
0.010 mg/L
EPA 200.7
Oil & Grease (HEM)
<5 mg/L
6/7/21
5 mg/L
EPA 1664B
Meritech Work Order #
060321139
Sample: Outfall #2 Grab
6/3/2021
Parameters
Results
Analvsis Date
Reporting Limit
Method
Total Suspended Solids
10 mg/L
6/4/21
2.5 mg/L
SM 2540 D
Aluminum, total
0.446 mg/L
6/9/21
0.050 mg/L
EPA 200.7
Cadmium, total
<0.002 mg/L
6/9/21
0.002 mg/L
EPA 200.7
Chromium, total
<0.005 mg/L
6/9/21
0.005 mg/L
EPA 200.7
Copper, total
0.005 mg/L
6/9/21
0.002 mg/L
EPA 200.7
Iron, total
0.420 mg/L
6/9/21
0.025 mg/L
EPA 200.7
Lead, total
<0.010 mg/L
6/9/21
0.010 mg/L
EPA 200.7
Magnesium, total
0.242 mg/L
6/9/21
0.005 mg/L
EPA 200.7
Mercury, total
<0.0002 mg/L
6/8/21
0.0002 mg/L
EPA 245.1
Nickel, total
<0.010 mg/L
6/9/21
0.010 mg/L
EPA 200.7
Zinc, total
0.029 mg/L
0- ; 7 6/9/21
0.010 mg/L
EPA 200.7
Oil & Grease (HEM)
<5 mg/L
6/7/21
5 mg/L
EPA 1664B
1 hereby certify that 1 have reviewed and approve these data.Q �(
Laboratory Repr ese ntative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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