NCG030474_DMR_20191217

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LYNDON STEEL COMPANY
1947 Union Cross Road `J�OF STEE(COy
Winston-Salem,NC 27107 a ��o
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PHONE:[phone] FAX: 1
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www.lyndonsteel.com
RECEIVED
January 16, 2020 BAN 2 3 2020
DENR-LAND QUALITY
STORMWATER PERMITTING
DEHNR
Division of Environmental Management
P.O. Box 29535
Raleigh, NC 27626-0535
Re: Lyndon Steel Stormwater permit#NCG030474
To Whom It May Concern:
Enclosed please find the Stormwater Sampling Report for the 2019 year- recorded on 12-17-2019.
We have some results above our thresholds now with exception of a few and I think this is mostly
from leaves and other source debris and mostly due to the fact this is the first significant rainfall we
have had in many months. We will clean these out and still have the following initiated until we see
solid and consistent results.
1) We are having the parking lots swept and cleaned by a 3rd party with heavy equipment.
2) We had a 3rd party inspection which all areas of concern have been addressed and completed.
If you have questions or concerns, please contact me at 336.293.0316 or email at
[e-mail]
Sincerely,
i '
Daniel Maiden
Environmental, Health and Safety Manager
Enclosure: Stormwater Sampling Report 12-17-2019 (1 original and 1 copy)

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January 15,2020
Lyndon Steel
1947 Union Cross Road
Winston-Salem,NC 27107
Attention:Daniel Maiden
Chemical Analysis for Stormwater Sampling identified as Lyndon Steel(Outfall 001&002),collected 17 December 2019
I. Project Number:N/A NPDES#:NCG030474
Sample RAL Sampling Sampling Total Total Total Total Date
Identification Sample Date Time Suspended Hydrocarbon Lead Copper Zinc Analyzed
Number Solids Oil&Grease
(mf/L) (mglL) (mg/L) (mglL) (mg/L)
<0.005 0.012 12/17,12/20&
Outfa11001 76288-01 12/17/19 0640 7.0 <5 <0.005 12l31/19
<0.005 <0.01 12/17,12/20&
Outfall 002 76288-02 12/17/19 0648 9.6 <5 <0.005 12/31/19
Analyst:GP,EA,EE&AW
mg/L = milligrams per Liter=parts per million(PPM) <=less than or Below Quantitation Limit(BQL)

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January 15,2020
Lyndon Steel
1947 Union Cross Road
Winston-Salem,NC 27107
Attention: Daniel Maiden
Chemical Analysis for Stormwater Sampling identified as Outfall 001&002 at Lyndon Steel-Winston-Salem,NC
I. Project Number: N/A NPDES#NCG030474 0
Quantitation Outfall Outfall Cut-off Concentration
Limit 001 002 001
Parameter (me/L) (me/L) (me/1.1 (me/L)
Total Suspended Solids(TSS) 5.0 7.0 9.6 100
Hydrocarbon Oil&Grease 5.0 13Q1, 13QI. 30
Lead (1.005 13Q1. BQI. 0.033
Copper (1.005 13Q1. 13Q1.
Zinc 0.015 0.012 BQI.
pH 0.1 Std. Units 6.87 6.32 6.0-9.0
Sample Number 76288-01 76288-02
Sample Date 12/17/19 12/17/19
Sample Time 0640 0648
Rainfall
Event Duration
Results of Visual Monitoring of Stormwater Outfalls Identified as Outfall 001 and Outfall 002
at Lyndon Steel-Winston-Salem,NC
II. Project Number: N/A NPDES#NC
Stormwater Monitoring Monitoring
Discharge Monitoring Location Location
Charteristics Frequency Type Outfall 001 Outfall 002
Color Semi-Annual Visual Clear Light Tan 1
Odor Semi-Annual Visual Musty None
Clarity Semi-Annual Visual Clear Light 1
Floating Solids Semi-Annual Visual Light Light
Suspended Solids Semi-Annual Visual bight SI.Turbid
Foam Semi-Annual Visual None None
Oil Sheen Semi-Annual Visual None None
Other obvious
on indicators of None None
stormwater pollution
mg/I. = milligrams per Liter parts per million(ppm)
BQI. Below Quantitation Limits
<-- less than or Below Quantitation Limit(BQL(

STORMWATER DISCHARGE OUTFALL(SDO)
MONITORING REPORT
GENERAL PERMIT NO.NCG030000 SAMPLES COLLECTED DURING CALENDAR YEAR: 2019
CERTIFICATE OF COVERAGE NO.NCG 030474 (all samples collected during a calendar year,shall be reported no later
than January 31 of the following year)
FACILITY N,Lyndon Steel COUNTY Forsyth
PERSON COLLECTING SAMPLE(S Glenn Price PHONE NO.
CERTIFIED LABORATORY(S) R&A Laboratories,Inc. Lab# 34
Lab# (SIGNATURE OF PERMITTEE OR DESIGNEE)
By this signature,I certify that this report is accurate and
complete to the best of my knowledge.
Part A:Specific Monitoring Requirements for stormwater discharges from secondary containment structures associated with Petroleum Bulk Stations and Terminals and stormwater
discharges from Oil Water Separators
50050 00556 00545 01051 46000 00400
I
Date Total
Outfall Sample Total Oil and Suspended
No. Collected Flow Grease Solids Lead,Total Copper,Total Zinc,Total Phenols 2 pH Pan A does no.apply.This 5OF5 do not discharge
mo/dd/yr MG mg/I mg/I mg/I mg/I mg/I mg/I Std.unit nnnnw^v,rrnmcoa^d^n'«,ai^r^m:a•,. °r
001 12/17/19 0.212 <5 7.0 <0.005 <0.005 0.012 6.87 mvwamr sepwotO
002 12/17/19 0.212 <5 9.6 <0.005 <0.005 <0.01 6.32
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? yes no
(if yes,complete Part B)
Part B:Vehicle Maintenance Activity Monitoring Requirements
Outfall Date 50050 00556 01051 38260 00545 00400
No. Sample Total Oil and Lead,Total Detergents Total pH New Motor
Collected Flow Grease Recoverable' (MBAS)2 Suspended Oil Usage
Copper,Total Zinc,Total Solids
mo/dd/yr MG mg/I ug/I mg/1 mg/I mg/1 mg/I unit gal/mo
STORM EVENT CHARACTERISTICS:
Date 12/17/2019
Total Event Precipitation(inches): 1.7 Mail Original and one copy to:
Event Duration(hours): 7 hr 19 min Attn: Central Files
DEHNR
(if more than one storm event was sampled) Division of Environmental Mgt.
Date 1612 Mail Service Center
Total Event Precipitation(inches): N/A Raleigh,NC 27626
Event Duration(hours): N/A
Form MR-I8
Page 1 of 2

Footnotes:
"I certify,under penalty of law,that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted.Based on my inquirey of the person
or persons who manage the system,or those persons directly responsible for gathering the information,the information submitted is,to the best
of my knowledge and belief,true,accurate,and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
czi j
1 04-4--(--C)-L.'
1 l
- DO
(S' nature of Permittee) (Date)
Form MR-18
Page 2 of 2

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/
n pdes-storm Ovate r-gps
Permit No.: N/C/ / / / / I / or Certificate of Coverage No.: N/C/G/0 /3 /0 /0 /0 /0 /
Facility Name: Lyndon Steel
County: Forsyth Phone No.
Inspector: Glenn Price
Date of Inspection: 12/17/19
Time of Inspection: 0640
Total Event Precipitation(inches): 1.7
All permits require qualitative monitoring to be performed during a"measurable storm event." jI
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:
71/0‘,
(Si� fParm' tee or Designee)gnee)
1. Outfall Description:
Outfall No. 001 Structure(pipe.ditch.etc.): Pipe
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
Pace I of
SWII-242.Last modified 06/01/2018

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.): Musty
4. Clarity: Choose the number which best describes the clarity of the discharge,where I is clear
and 5 is very cloudy:
0 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 O 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge,where I is no solids and 5 is extremely muddy:
O 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? OYes ®No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes 0 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 06/01/2018

4*
Environmental
Ouality
Storniwater 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/
npdes-stonnwater-gps
Permit No.: N/C/ / / / / / / / or Certificate of Coverage No.: N/C/G/0 /3 /0 /0 /0 /0 /
Facility Name: Lyndon Steel
County: Forsyth Phone No.
Inspector: Glenn Price
Date of Inspection: 12/17/19
Time of Inspection: 0648
Total Event Precipitation(inches): 1.7
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 t ' ' ature, I certify that this r o is accurate and complete to the best of my knowledge:
0.,,,a
i c-)2,,a,r2_,_„.__
(Signature of Permittee or Designee)
1. Outfall Description:
Outfall No. 002 Structure(pipe,ditch,etc.): Storm Drain
Receiving Stream:
Describe the industrial activities that occur within the outfall drainage area:
Page 1 of 2
SWU-242,Last modified 06/01/2018

2. Color: Describe the color of the discharge using basic colors(red,brown, blue,etc.)and tint
(light,medium,dark)as descriptors: Light Tan
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 p 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 0 3 4 5
6. Suspended Solids: Choose the number which best describes the amount of suspended solids in
the stormwater discharge,where I is no solids and 5 is extremely muddy:
1 2 Q3 4 5
7. Is there any foam in the stormwater discharge? 0 Yes :11 No.
8. Is there an oil sheen in the stormwater discharge? °Yes W No.
9. Is there evidence of erosion or deposition at the outfall? 0 Yes 4D 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 06/01/2018

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