NCG050419_DMR_20201215

Stormwater Discharge Outfall (SDO)
Qualitative Monitoring Report
For guidance on filling out this form, please visit: htto'/lh2o.enr.state.nc.us/su/ForTns Documents.htm#miscforms
Permit No.: I NJ C I GI 0 15 10 10 10 10 or Certificate of Coverage No.: I N I C I G 10 15 10 14 11 19
Facility Name: LydallThermal/Acoustical Inc.
County: Yadkin
Inspector: Thomas Hayne:
Date of Inspection: 12.7.20
Time of Inspection: 11:00 A
Phone No. 336.485.8522
Total Event Precipitation (inches): 0.99
Was this a Representative Storm Event? (See information below) ® Yes ❑ No
Please check your permit to verify if Qualitative Monitoring must be performed during a representative storm event
(requirements vary).
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.
By this signature, I certify that this report is accurate and complete to the best of my knowledge:
of Permittee or Designee)
Outfall Description:
Outfall 001 /002/003/004/005
No.
Structure (pipe, ditch,
etc.)
Receiving Stream: Unnamed Tributary of Rocky Branch
Describe the industrial activities that occur within the outfall drainage area:
Automotive Products
FiN/F-n
JAN 0 4 2021
,.ENTRAL FILES
DWR SECTION
Drainage Swales and Pipes
2 Color:
Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as
descriptors:
Page loft
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3 Odor:
Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.):
No odor noted
4 Clarity:
Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy:
Q 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 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:
0 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
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.
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