NCS000304_MONITORING INFO_20190624

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STORMWATER DIVISION CODING SHEET
NCS PERMITS
PERMIT NO.
NcS ()
DEC TYPE
[I FINAL PERMIT
J\MONITORING REPORTS
❑ APPLICATION
❑ COMPLIANCE
O OTHER
DOC DATE
-Do
YYYYMMDD

m GERDAU
May 18, 2019
SUN �
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, NC 27699-1617
RE: DMR's for Storm Water Permit NCS000304
Permitted Facility: Gerdau Ameristeel, US Inc- Charlotte Mill
To Whom It May Concern:
Please find enclosed signed copies of the Discharge Monitoring Report from the Gerdau Ameristeel US,
Inc. - Charlotte Steel Mil for the first half (January — June) of 2019
Please contact me if any additional information is needed.
Sincerely,
Robert Churchill
Safety, Health and Environmental Manager
Gerdau — Charlotte Steel Milo
6601 Lakeview Road
Charlotte, NC 28269
[phone], ext. 3128

STOWMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000304 SA,MPLFS COLLECTED DURING CALENDAR YEAR: 2019
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
FACILITY NAME Gerdau Ameristeel US. INC- Charlotte
PERSON COLLECTING SAMPLE(S) Mitchell Fralick mmC NEE
CERTIFIED LABORATORY(S) Pace Analvtical Lab # t `12-
Lab #ju� 2 4 2010
fart A: Specific Monitoring Requirements
CF—NTI;UaL € ILES
ONPIR SECTION
COUNTY Mecklenburg
PHONE NO. ( 704 ) 596-0361
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
_
No.
_
Sample
Collected
Total
Rainfall
Oil &
Grease
Total
Suspende
d Solid
TSS
PM
Total
Copper
(Cu)
Total
Lead
(Pb)
Total
Nickel-
(Ni)
Total
Zinc
: (Zn)
Total
Alumin
um
AI
Total
Cadmium
(Cd)
Total
Chromium
(Cr)
BOD
COD
mo/dd/vr
inches
MIL
,YI /L
Unit
/L
/L
t /L
IL
/L
/L
/L
MIL
M /L
WEST
06/07/19
1.12
<5.0
26.0
6.4
7.2
5.8
<5.0
39.7
289
<1.0
<5.0
3.5
53.1
NORTH
NOD[
SOUTHEAST
NOD[
SOUTH
NOD[
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 eclidrements
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
-
Total
Rainfall
Oil'& Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664 .
SGT-HEM), if .
appl.
Total
Suspended.
Solids
pH
New Motor
Oil Usage -
moldd/ yr
MG
inches
mg/1
m II
unit
al/mo
Form SWU-247. Iasi revised 21212012
Page I of 2

STORM EVENT CHARACTERISTICS:
Date 06/07/2019
Total Event Precipitation (inches): 1.12
Event Duration (hours): (only ifapplicable — see permit.)
(if more than one storm event kvas sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
Mail Original and one coPy to:
Division of Water Quality
Attn: Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"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 tite infornatiou submitted. Rased on my inquiry 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. l am aware that there are significant penalties for submitting false information,
including the possibility of fines and imprisonment for knowing violations."
(Signature of Perm(ttee)
n6( i81zoiS
(Date)
Form SWIG-2 l7. Iasi revised 21212012
Page 2 of 2

STO11MWATER DISCHARGE 0UTFALL (SDO)
MONITORING REPORT
Permit Number NCS 000304
FACILITY NAME Gerdau Ameristeel US. INC- Charlotte
PERSON COLLECTING SAMPLE(S) Mitchell Fralick
CERTIFIED LABORATORY(S) Pace Analytical _ Lah 4 12
Lab 4
Part A: Specific Monitoring Requirements
SAMPLES COLLECTED DURING CALENDAR YEAR; 2019
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives (lie sampling results from the laboratory.)
COUNTY Mecklenburg
PHONE, NO. ( 704-1596-0361
SIGNATURE OF PERMITTEE OR DESIGNEE
REQUIRED ON PAGE 2.
Outfall
Date
-No.P
Sample
Collected
-Total
Rainfall
Oil &
Grease
Total
Suspehde
d S61id
TSS
pH
Total
Copper
(Cu)_
Total
Lead
(Pb)
Total
Nickel
(Ni)
Total
Zinc
(Zn)
Total
Alumin
.um
Al
Total
Cadmium
(Cd)
Total
Chromium
(Cr)
BOD
COD
mo/dd/ yr
inches
MIL
MIL
Unit
/L
t /L
/L
/L
/L
/L
/L
iMl /L
M /L
WEST
06/07/19
1.12
<5.0
26.0
6.4
7.2
5.8
<5.0
39.7
289
<1.0
<5.0
3.5
53.1
NORTH
NOD]
SOUTHEAST
NODI
SOUTH
NOD]
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 13)
Part B: Vehicle Maintenance Activitv Monitoring Requirements
-Outfall.
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall_
Oil & Grease _
(if appl,)
Non -polar
O&GITPH
(Method 1664,
SGT-HEM), if
appl.
Total
Suspended
Solids
pH -
New Motor
Oil Usage
mo/dd/ r
MG
inches
m /l
mg/1
unit
al/mo
Form SWU-247, lust revised 2/2/2012
Page I of 2

STORM EVENTCHARACTERISTICS:
Date 06/07/2019
Total Event Precipitation (inches): 1.12
Event Duration (hours): (only if applicable —see permit.)
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — seepennit.)
Mail Original and one coP), to:
Division of Water Quality
Attn: Central files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
"l 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 inquiry 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."
Ohl' 61 aZo 1 i
(Signature of Pc mittee) (Date)
Form SWU-247, last remised 21212012
Page 2 of 2