NCG200513_MONITORING REPORT_20200827

August 20, 2020
77,
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
7018 0680 0002 2919 4427
Mr. James Moore
NCDEQ-Regional Office Engineer
NC Dept. of Energy, Minerals and Land Resources
Mooresville Regional Office
610 East Center Avenue, Suite 301
Mooresville, NC 28115
RE: General Stormwater Permit Monthly Sampling Events (May, June, July 2020)
Certificate of Coverage No. NCG200513
Dear Mr. Moore:
With this submittal, the United Scrap Metal — Charlotte Facility (USM) is providing the May,
June, and July 2020 monthly discharge monitoring report. An updated results table is also
enclosed. USM sampled copper and zinc at all Outfalls during May 2020. There was no
discharge reported during June and July 2020. Both Outfalls 003 and 004 are subject to tiered
activities. Monthly monitoring of all parameters is required at all outfalls.
Biochar filtration inserts have been installed in drop inlets prior to Outfalls 001 and 002 and are
potentially improving results. Additional EnviroSoxx filter "logs" installed at Outfalls 003 and
004 on April 15, 2020 have not yet produced the desired results. USM will continue Tiered SW
quality improvement efforts and research additional measures to remove metals from SW runoff
through Outfalls 003 & 004.
Should you have any questions or comments, please do not hesitate to contact me at 804-621-
7000 or mobile phone [phone].
Sincerely,
UNITED SCRAP METAL, INC.
John Dergo
General Manager
Enclosures
cc: Adam Wilk— USM National Compliance Manager
Tim Monroe —Leaf Environmental & Engineering, P.C.

Stormwater Quantitative Monitoring -Analytical Results
(NPDES General Permit COO NCG200513)
United Scrap Metal, Inc.
9925 Orooklord Street, Chardon, NO 28273
owned Sample
Event Num6eror
Total
Chemist
mmmirY
Suspended',
Oxygen
Sampling Event
Solids
Demand
Oil 8 Grease Copper
Lead
Zinc
MSE)
Sampling Date
Veglq
(onto
(mglq (me&)
Imgt.)
(-dxO
3
6/152016
<62
360
6c 0.0131
<O.0050
_0.8_8_0
4
11292016
�250
<50 <0098
DO0SO
<0.01
_
<24201-/
66
66
<50 00093
<00559
_ O.486
6
1202016
4.8
-250
<DXOSOGana _
OLSS
_ _
7
20.3
-250
•250
-5.0 _ _00319
<50 _ 00319
<p,0050
OJ38
MSE _ _
7/162010
_ _ OSCI
-
MBE
9/170016
9/1)2016
I.- __-
a
101I12015
50
ND
_
N_0_ 00079
<0.0050
_ 0,103
MSE
_
11242015
_ 00071
<0.0060_
_ 0.076
MSE
12/1,2018
_ 00067
<0.Ono _
_ 0.0589
MSE
1242019
<00050
0457__
It
6/182019
Q6
250
_00061
e5.0 0035
<0,0050
0515
OUIla11001 M3E
J 2018
Nos mple
N Sample
MSE
MSE
A 0 2018
5 .2019
_
NO FLOW
NOFLOW
NO FLOW
NO FLOW
10
1W182019
_
00158
0 34
_
MSE
--- New 2019
_
_
NO FLOW
NO FLOW
MSE
12113201g
3.3
1256
-4.8 00114
1 <00050
00838
_
MSE
Jan. 2020
INO FLOOWW
NO FLOW
period! 1
2.62 020
29.5
486
�
1 NO �•y�FL
<0.005S
0.121
MSE
Mar. 2020
1 NO FLOW
NO FLOW
MSE
4202020
0010
00271
MSE
5rz02020
00093
0.104
MSE
Jun. 2020
NO FLOW
NO FLOW
MSE
Jul. N20
_
NO FLOW
_ _ _ _,
NOFLOW
3
611WO16
<32
<250
<53 C0120
400050
0]ad
_ 4
11292016
<25
<no
<5.0 <_00.0.5
vowda
<0.01 _
5
4242017
56
y250
<50 0011
<00050
0130
6
50
<50 00116
<00050
0510
7
611wol]
6/1i11016
ILS
-25.0
<p5.0
<50 0032]
h1SE
7/16M16
1
0.01]6
LASE
9l1]2016
`011050
NO
NO 000]1
6 10/112016 33
00050
0.1 to
LASE
11 24201 8
_
00053
<0.0050
0.0482
MSE_'_
_
12/142(118
_
_
0 on
_
<0.0050
0.0928
MSE
1242019
<GD050
04W
Q 50
<50 00340
_
9 61182019 83
<00050
Oudall002 MSE_
_JUL2019
_
_
le
No Sample
NOSample
MSE
Au .2019
_ NO FLOW
NO FLOW
M_EE
_ Sep_2019
NO FLOW
NO FLOW
_ _
_
00133
10 10/162019 _ _
_
C366
MSE
Noe 2018 _
NO FLOW
NO FLOW
<25.0
<4.8
<0.0050
MSE 12152019 102
MSE
Jae 202_0_
__
_ NO FLOW
NO FLOW
penall
262020
__4)4
_ ND
<O.W_SO
0.116
_ MSE
_ Me, 2020
__263
NO ROW
_
NO FLOW
-MSE _
4002020
0.117
MSE
5202020
0W86
00980
_
NOFLOW
Al _ Jun. 2020
NOFLO�
WE
Jut. 2020
NO FLAW
NO FLOW
f 8/152018
<26
<250
<53 00,13
<Oe050
0708
_3
4
<25
<250
<50 <0005
<00059
<0.01
_
5
_11292016
4242017
42
v250
<50 0014
<00950
0.128
6
53
_v250
<5L 00124
<00050
011
7
_12112017
6/122018
380
<250
_
<50
-1050
MSE
71162018
00132
9/172_018
_-
--_-1----
-
-
6
NonyOo18
95 _
359
NO •
0.019
••
N1SE
112 13
_
0.0065
0.0833
MSE
12,142018
_
0.0155
0.0838
MSE
1242019
��
<00050
0.0434
MSE
VulaO18
_ _
_
_
00002
0.0700
MSE
_
32Sr?OI9
_
_
<00050
a54";0
MSE
A d1201B
Ouaa11003 MSE _
Mey2019
_ _
9
fi118rz019
_<2.7
x25.0
<5.0
<0 C0N)
06660
MSE
]23rz010
<O 0050
08160
MSE
_ Aug.3018_
_ _
NO FLOW
NO FLOW
MSE
Sep, 2019
_ _
NO FLOW
NO FLOW
ID/18201g
MSE
Nw.2019
I
NO FLOW
I NO FLOW
MSE
1211362019 1
- 4.9
<25.0
�4.8 _
<0 M50
•-r
M�gE
_
Jen.202(I _�
_ NO FLOW
NO FLOW
Real
262O20
29.1
4.
NO_�
00166
e
MSE
Mrs. me
NO FLOW
NOFLOW
MSE
4202021)
MSE
. 52112020
_
JU 2020
_I NO FLOW
NO FLOW
_MSE
MSE
J12020
_
_
NO FLOW
NO FLOW
Piet
2812020 _
_ 10.5 _i
No
NO
00321
<0_05_00
_ 03290
MSE
Mat 2020
NO FLOW
NO FLOW
MSE
4202020
014N
13400
Outfall 004 MSE
MOQ020
_
_
0.135
I570
MSE
Jun.2020
NO FLOW
NO FLOW
MSE
Ju1.20Z(I
NO FLOW
I NO FLOW__
Renchmarkl
100
120
15
0,010
0.075
1 0.126
MSE- Monthly Samolln9 Event
11
Red text indicates benchmarkeyeaodence booming "Der P requirements.
x.xxs Red text and yellow shading lndleates Nvo consecatni benchmark exceemmes Veering Tier lP
Red' shading indicates four or more benchmark exceedences hinednB'Ter llP requir ments,
Mich Includes NCDEMLR noe0cete m _

Semi-annual Stormwater Discharge Monitoring Report (DMR)
for North Carolina DEMLR General Permit No. NCG200000—Scrap Metal Recycling
Datesubmitted 8-a2y-oZOa��
CERTIFICATE OF COVERAGE NO. NCG200513
FACILITY NAME United Scrap Metal, Inc.
COUNTY Mecklenburg
PERSON COLLECTING SAMPLES John Dergo
LABORATORY Pace Analytical Services, Inc. Lab Cert. #40 / #37712
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD
or X Monthly' May (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow [:]WaterSupply ❑SA
❑Saltwater ®Other C
PLEASE REMEMBER TO SIGN ON THE REVERSE —>
No discharge this period?Z
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Total Suspended
Solids
Chemical Oxygen
Demand
Non -polar oil & grease
EPA Method 1664
(SGT-HEM)
Copper,
Total
Lead,
Total
Zinc,
Total
Benchmarks ==>
-
-
100 mg/L or
50 mg/0
120 mg/L
15 mg/L
0.010 mg/L or
0.005 mg/L'
0.075 mg/L or
0.210 mg/Ls
0.126 mg/L or
0.090 mg/L5
1
05/20/20
1.08
0.0098
0.104
2
05/20/20
1.08
0.0084
0.0980
3
05/20/20
1.08
0.0740
0.345
4
05/20/20
1.08
0.0135
1.570
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit text, Table 3 or Table 4, identifying protected receiving water classifications where the more protective TSS benchmark applies.
s Stormwater discharges into receiving waters classified as saltwater are subject to the second listed benchmark.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX ma/L". where XX is the numerical value of the
detection limit, reporting limit, quantitation limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier 2, or Tier 3 responses. See General Permit.
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
inches
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
Benchmarks ===>
_
-
15 mg/L
100 mg/L or 50 mg/O
Footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark Vou must implement Tier 1, Tier 2 or Tier 3 responses. See General Permit.
FOR PART AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES® NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BY THE PERMIT? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: James Moore
Mail an original and one copy of this DMR including all "No Discharge" reports within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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 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."
of Permittee)
8 z y -ao
(Date)
PLEASE!
&I
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 2 of 2

Semi-annual Stormwater Discharge Monitoring Report (DMR)
for North Carolina DEMLR General Permit No. NCG200000—Scrap Metal Recycling
Date submitted 8-.2V-ao,to
CERTIFICATE OF COVERAGE NO. NCG200513
FACILITY NAME United Scrap Metal, Inc.
COUNTY Mecklenburg
PERSON COLLECTING SAMPLES John Dergo
LABORATORY Pace Analytical Services, Inc. Lab Cert. #40 / #37712
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD
or X Monthly' June (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
❑Zero -flow [:]WaterSupply ❑SA
[]Saltwater ®Other C
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
X No discharge this period?z
Outfall No.
Date Sample
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Total Suspended
Solids
Chemical Oxygen
Demand
Non -polar oil & grease
EPA Method 1664
(SGT-HEM)
Copper,
Total
Lead,
Total
Zinc,
Total
Benchmarks ==>
-
-
100 mg/L or
50 mg/0
120 mg/L
15 mg/L
0.010 mg/L or
0.005 mg/Ls
0.075 mg/L or
0.210 mg/L'
0.126 mg/L or
0.090 mg/L'
1 Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
'For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
'The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
° See General Permit text, Table 3 or Table 4, identifying protected receiving water classifications where the more protective TSS benchmark applies.
5 Stormwater discharges into receiving waters classified as saltwater are subject to the second listed benchmark.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format. "<XX mg/L", where XX is the numerical value of the
detection limit, reporting limit, quantitation limit, etc. in mg/L.
Note: if you report a sample value in excess of the benchmark you must implement Tier 1 Tier or Tier 3 responses. See General Permit.
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?Z
Outfall No.
Date Sample
i
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
Benchmarks ===>
-
-
15 mg/L
100 mg/L or 50 mg/L°
Footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark you must implement Tier 1 Tier 2 or Tier 3 responses See General Permit
FOR PART AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BY THE PERMIT? YES ® NO ❑
REGIONAL OFFICE CONTACT NAME: James Moore
Mail an original and one copy of this DMR including all "No Discharge" reports within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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 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."
(Signature
B-ZY soap
(Date)
PLEASE
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 2 of 2

Semi-annual Stormwater Discharge Monitoring Report (DMR)
for North Carolina DEMLR General Permit No. NCG200000 — Scrap Metal Recycling
Date submitted i�S/,toaa
CERTIFICATE OF COVERAGE NO. NCG200513
FACILITY NAME United Scrap Metal, Inc.
COUNTY Mecklenburg
PERSON COLLECTING SAMPLES John Dergo
LABORATORY Pace Analytical Services, Inc. Lab Cert. #40 / #37712
Comments on sample collection or analysis:
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2020
SAMPLE PERIOD
or X Monthly' July (month)
DISCHARGING TO CLASS ❑ORW ❑HQW []Trout ❑PNA
❑Zero -flow ❑Water Supply ESA
❑Saltwater ®Other C
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
X No discharge this period?2
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
inches
Total Suspended
Solids
Chemical Oxygen
Demand
Non -polar oil & grease
EPA Method 1664
(SGT-HEM)
Copper,
Total
Lead,
Total
Zinc,
Total
Benchmarks =_>
-
-
100 mg/L or
50 mg/O
120 mg/L
15 mg/L
0.010 mg/L or
0.005 mg/L'
0.075 mg/L or
0.210 mg/L'
0.126 mg/L or
0.090 mg/L5
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
Z For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
4 See General Permit text, Table 3 or Table 4, identifying protected receiving water classifications where the more protective TSS benchmark applies.
s Stormwater discharges into receiving waters classified as saltwater are subject to the second listed benchmark.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX mg/L", where XX is the numerical value of the
detection limit, reporting limit, quantitation limit, etc. in mg/L.
Note., If you report a sample value in excess of the benchmark, you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit.
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
❑ No discharge this period?z
Outfall No.
Date Sample
i
Collected
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
Benchmarks ===>
_
-
15 mg/L
100 mg/L or So mg/O
Footnotes from Part A also apply to this Part B
Note: If you report a sample value in excess of the benchmark you must implement Tier 1, Tier Z or Tier 3 responses. See General Permit.
FOR PART A AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ® NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BY THE PERMIT? YES ® NO El
REGIONAL OFFICE CONTACT NAME: James Moore
Mail an original and one copy of this DMR including all "No Discharge" reports within 30 days of receipt of the lab results (or at end of monitoring period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"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 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."
of Permittee)
�-Zy -ate
(Date)
mi
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/2015
Page 2 of 2