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Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-
resources/energy-mineral-land-permits/stormwater-permits/npdes-industrial-sw#tab-4
Permit No.: N/C/S/0 /0 /0 /5 /6 /7 / or Certificate of Coverage No.: N/C/G/ / / / / / /
Facility Name: ECOFLO, Inc.
County: Guilford Phone No. [phone]
Inspector: Preston Black
Date of Inspection: 1/9/2024
Time of Inspection: 1:30pm
Total Event Precipitation(inches): 1
All permits require qualitative monitoring to be performed during a"measurable storm event."
A "measurable storm event" is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-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 DEMLR
Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Si e o Permittee or Designee)
1. Outfall Description:
Outfall No. 2 Structure(pipe, ditch, etc.): Divot
Receiving Stream:
Buffalo Creek
Describe the industrial activities that occur within the outfall drainage area: TSDF
Page 1 of 2
SWU-242,Last modified 07/28/2017

2. Color: Describe the color of the discharge using basic colors(red,brown,blue, etc.) and tint
(light, medium, dark) as descriptors: None
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:
r/ 11 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:
2 3 4 5
7. Is there any foam in the stormwater discharge? 0 Yes 0 No.
8. Is there an oil sheen in the stormwater discharge? °Yes 0 No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes o 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 07/28/2017

Environmental
Quality
Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form,please visit https://deq.nc.gov/about/divisions/energy-mineral-land-
resources/cner2y-mineral-land-permits/stormwater-permits/npdes-industrial-sw#tab-4
Permit No.: N/C/S/0 /0 /0 /5 /6 /7 / or Certificate of Coverage No.: N/C/G/ / / / / / /
Facility Name: ECOFLO, Inc.
County: Guilford Phone No. [phone]
Inspector: Preston Black
Date of Inspection: 1/9/2024
Time of Inspection: 1:00pm
Total Event Precipitation(inches): 1
i All permits require qualitative monitoring to be performed during a"measurable storm event."
A "measurable storm event"is a storm event that results in an actual discharge from the permitted site
outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-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 DEMLR
i Regional Office.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
(Sign ermittee or Designee)
•
1. Outfall Description:
Outfall No. 3 Structure(pipe, ditch, etc.): Divot
Receiving Stream:
Buffalo Creek
Describe the industrial activities that occur within the outfall drainage area: TSDF
Page 1 of 2
SWU-242,Last modified 07/28/2017

2. Color: Describe the color of the discharge using basic colors(red,brown,blue, etc.) and tint
(light, medium, dark)as descriptors: None
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:
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:
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? 0 Yes 0 No.
8. Is there an oil sheen in the stormwater discharge? 0Yes 0 No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes O 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 07/28/2017

Pace Analytical Services,LLC
1377 South Park Drive
Kemersvilie,NC 27284
u [phone]
Page 1 of 2
Laboratory Report
Accounts Payable Report Date: 01/22/2024
Ecoflo, Inc. Date Received: 01/09/2024
2750 Patterson Street
Greensboro, NC 27407
Project: Ecoflo-Stormwater
Pace Project No.:92707389
Sample: Outfall#2 Lab ID: 92707389001 Collected: 01/09/24 13:45 Matrix: Water
Method Parameters Results Units Report Limit Analyzed Qualifiers
SM 2540D-2015 Total Suspended Solids 70.2 mg/L 2.5 01/10/24 15:03
SM 4500-H+B-2011 pH at 25 Degrees C 6.4 Std.Units 0.10 01/10/24 12:28 H3
SM 5210B-2016 BOD,5 day 7.8 mg/L 2.0 01/15/24 11:04 B2
EPA 1664E Total Petroleum Hydrocarbons ND mg/L 4.8 01/18/24 15:09
EPA 200.7 Lead ND ug/L 10.0 01/16/24 14:45
SM 5220D-2011 Chemical Oxygen Demand 32.5 mg/L 10.0 01/17/24 20:48
Sample: Outfall#3 Lab ID: 92707389002 Collected: 01/09/24 13:20 Matrix: Water
Method Parameters Results Units Report Limit Analyzed Qualifiers
SM 2540D-2015 Total Suspended Solids 4.6 mg/L 2.7 01/10/24 15:04
SM 4500-H+B-2011 pH at 25 Degrees C 6.7 Std.Units 0.10 01/10/24 12:20 H3
SM 5210B-2016 BOD,5 day 2.6 mg/L 2.0 01/15/24 11:00
EPA 1664E Total Petroleum Hydrocarbons 20.0 mg/L 4.9 01/18/24 15:10
EPA 200.7 Lead ND ug/L 10.0 01/16/24 14:49
SM 5220D-2011 Chemical Oxygen Demand 18.4 mg/L 10.0 01/17/24 20:44
ANALYTE QUALIFIERS
B2 Oxygen usage is less than 2.0 for all dilutions set. The reported value is an estimated less than value and is calculated
for the dilution using the most amount of sample.
H3 Sample was received or analysis requested beyond the recognized method holding time.
Reviewed by:
Stephanie Knott
704-977-0981
[e-mail]
Pace Analytical Services Ormond Beach
8 East Tower Circle,Ormond Beach,FL 32174 Kansas Certification#:E-10383
Alaska DEC-CS/UST/LUST Kentucky Certification#:90050
Alabama Certification#:41320 Louisiana Certification#:FL NELAC Reciprocity
California Certification#3096 Louisiana Environmental Certificate#:05007
Colorado Certification:FL NELAC Reciprocity Maine Certification#:FL01264
Connecticut Certification#:PH-0216 Maryland Certification:#346
Delaware Certification:FL NELAC Reciprocity Massachusetts Certification#:M-FL1264
DoD-ANAB#:ADE-3199 Michigan Certification#:9911
Florida Certification#:E83079 Mississippi Certification:FL NELAC Reciprocity
Georgia Certification#:955 Missouri Certification#:236
Guam Certification:FL NELAC Reciprocity Montana Certification#:Cert 0074
Hawaii Certification:FL NELAC Reciprocity Nebraska Certification:NE-OS-28-14
Illinois Certification#:200068 New Hampshire Certification#:2958
Indiana Certification:FL NELAC Reciprocity New Jersey Certification#:FL022 Page 1 of 5

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