NCS000312_Renewal application_20230119

CleanEarth
January 17,2023
Brianna Young
NCDEQ Industrial Stormwater Permitting
1612 MSC
Raleigh, NC 27699-1612
RECEIVED
JAIL 19 2023
0 MLR-Stormwater Program
UPS tracked
RE: AERC Acquisitions Corporation dba DART A Clean Earth Company Industrial Stormwater Permit
Renewal Permit No. NCS00312
Ms. Young,
Enclosed is the DART A Clean Earth Company's Industrial Stormwater Permit Renewal application
forms with supporting documents. Please contact me, if you have any questions.
Sincerely, n
Trent Dilworth
Director EHS
Ph. 704-223-2446
CleanEarth.
4132 Pompano Road, Charlotte, NC 28216 USA
980-328-3252w cleanearthinccom

EPA Identification Number
NPDES Permit Number
cility Name
Form App�d 03//005/19f
NCD 121700777
NCS000312
AERCAquiaitions Corporation
Ci L�
Form
U.S. Environmental Protection Agency
A
1
\'/EPA
Application for NPDES Permit to Discharge Wastewater
NPDES
GENERAL INFORMATION
1. ACTIVITIES
NPDESSECTION
REQUIRING AN r
Applicants Not Required to Submit Form 1
1.1
1.1.1
Is the facility a new or existing publicly owned
1.1.2
Is the facility a new or existing treatment works
treatment works?
treating domestic sewage?
If yes, STOP. Do NOT complete No
If yes, STOP. Do NOT 0 No
Form 1. Complete Form 2A.
complete Form 1. Complete
Form 2S.
1.2
Applicants Required to Submit Form 1
1.2.1
Is the facility a concentrated animal feeding
1.2.2
Is the facility an existing manufacturing,
E
operation or a concentrated aquatic animal
commercial, mining, or silvicultural facility that is
a
production facility?
currently discharging process wastewater?
oYes
-> Complete Form 1 Qr No
Yes 4 Complete Form Qr No
z
and Form 2B.
1 and Form 2C.
1.2.3
Is the facility a new manufacturing, commercial,
1.2A
Is the facility a new or existing manufacturing,
mining, or silvicultural facility that has not yet
commercial, mining, or silvicultural facility that
-
commenced to discharge?
discharges only nonprocess wastewater!
❑ Yes + Complete Form 1 Qr No
Yes 4 Complete Form No
and Form 2D.
1 and Form 2E.
2
1.2.5
Is the facility a new or existing facility whose
'-
discharge is composed entirely of stonnwater
a
associated with industrial activity or whose
discharge is composed of both stormwater and
non•stormwatert
❑ Yes 4 Complete Form 1 No
and Form 2F
unless exempted by
40 CFR
122.26(b)(14)(x) or
b 15.
ON
2. NAME,
MAILING ADDRESS, AND LOCATION (40
2.1
Facility Name
AERC Aquisitions Corporation dba Dart A Clean Earth Company
`0
2.2
EPA Identification Number
U
�
J
NCD 121700777
a
2.3
Facility Contact
N
d
Name (first and last)
Title
Phone number
v
a
Trent Dilworth
Director EH5
[phone]
Email address
[e-mail]
2.4
Facility Mailing Address
E
Street or P.O. box
z
4132 Pompano Road
City or town
State
ZIP code
Charlotte
NC
28216
E'D
)13
Program
EPA Form 3510-1 (revised 3-19) Page 1

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03105/19
NCD 121700777
NC5000312
AERC Aquisitions Corporation
OMB No. 2040-0004
„ d
2.5
Facility Location
a `
Street, route number, or other specific identifier
o
t
4132 Pompao Road
o
County name
County code (if known)
Mecklenburg
0
E v
City or town
State ZIP code
z1
iCharlotte
NC 25216
SECTION•
NAICS CODESr
3.1
SIC Code(s)
Description (optional)
4953
Hazardous Waste Treatment and Disposal
w
v
0
0
U
rn
U
z
3.2
NAICS Code(s)
Description (optional)
m
562211
Hazardous Waste Treatment and Disposal
U
4.1
Name of Operator
DART A Clean Earth Company
0
4.2
Is the name you listed in Item 4.1 also the owner?
0 Yes ❑ No
=
4.3
Operator Status
❑ Public —federal ❑ Public —state ❑ Other public (specify)—
© Private ❑ Other (specify)
0
4.4
Phone Number of Operator
[phone]
4.5
Operator Address
M
Street or P.O. Box
E
O
4132 Pompano Road
3
s
City or town
State
ZIP code
`o o
Charlotte
NC
m
o
Email address of operator
0
SECTION•
•r
a
5.1
Is the facility located on Indian Land?
❑ Yes ❑° No
EPA Form 3510-1 (revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05119
NCD 121700777 NCS000312 AERC Aquisitions Corporation OMB No. 2040-0004
J,- l
SECTION 6. EXISTING ENVIRONMENTAL PERMITS (40 CFR 122.21(f)(6))
6.1 Existing Environmental Permits (check all that apply and print or type the corresponding permit number for each)
© NPDES (discharges to surface
0 RCRA (hazardous wastes)
❑ UIC (underground injection of
c
water)
fluids)
NC000312
NCD 121700777
w`
ElPSD (air emissions)
ElNonattainment program (CAA)
❑ NESHAPs (CAA)
rn li
c
a
w
El Ocean dumping (MPRSA) ❑ Dredge or fill (CWA Section 404) 0 Other (specify)
Industrial User Pretreat Permit
SECTION1
7.1
Have you attached a topographic map containing all required information to this application? (See instructions for
specific requirements.)
❑� Yes ❑ No ❑ CAFO—Not Applicable (See requirements in Form 2B.)
SECTIONOF
I
8.1
Describe the nature of your business.
The facility is a permitted hazardous waste management facility. Clean Earth Inc. is a company that provides
hazardous and non -hazardous waste management under a state issued permit for the management of hazardous
N
wastes and hazardous materials. Activities that occur at the facility include: Brokering of hazardous and
non -hazardous waste to third parties for treatment, storage, and disposal facilities, Storage of hazardous and
m'
non -hazardous waste in containers ? Storage of hazardous waste in tank systems, Fuel blending and storage in tanks
0
of organic materials acceptable for combustion in incinerators or boilers and industrial furnaces, Loading and
�
unloading of waste materials from trucks and railcars ?Consolidating hazardous and non -hazardous wastes into
z
larger containers ? Wastewater treatment of hazardous and non -hazardous waste, Incidental de -packing and
repacking of laboratory chemicals ? Transfer facility for used oil, Storage and treatment of non -hazardous industrial,
commercial liquid and solid wastes. ? Consumer product destruction and recycling.
COOLINGSECTION 9.
1
9.1
Does your facility use cooling water?
d
❑ Yes ❑° No + SKIP to Item 10.1.
A
2
92
Identify the source of cooling water. (Note that facilities that use a cooling water intake structure as described at
40 CFR 125, Subparts I and J may have additional application requirements at 40 CFR 122.21(r). Consult with your
d
NPDES permitting authority to determine what specific information needs to be submitted and when.)
O
0
V C
NA
SECTION
• 1 1
10.1
Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(in)? (Check all that
apply. Consult with your NPDES permitting authority to determine what information needs to be submitted and
when.)
❑ Fundamentally different factors (CWA ❑ Water quality related effluent limitations (CWA Section
Section 301 (n)) 302(b)(2))
❑ Non -conventional pollutants (CWA ❑ Thermal discharges (CWA Section 316(a))
Section 301(c) and (g))
0 Not applicable
EPA Form 3510-1 (revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name
Form Approved OM19
NCD 121700777 NC000312 AERC Aquisltions Corporation
JL �I
OMa No. 204MD4
r
11.1
In Column 1 below, mark the sections of Form 1 that you have completed and are submitting with your application.
For each secfion, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note
that riot all applicants are required to provide attachments.
Column 1
Column 2
❑✓ Section 1: Activities Requiring an NPDES Permit
❑ wl attachments
❑✓ Section 2: Name, Mailing Address, and Location
❑ wl attachments
❑✓ Section 3: SIC Codes
❑ wl attachments
© Section 4: Operator Information
❑ wlattachments
❑✓ Section 5: Indian Land
❑ wl attachments
c
0 Section 6: Existing Environmental Permits
❑ wl attachments
a
d
b
❑✓ Section 7: Ma p
col topographic
❑ ❑w/additional attachments
ma
8
o
❑✓ Section 8: Nature of Business
❑ wi attachments
R
❑✓ Section 9: Cooling Water Intake Structures
❑ wi attachments
d
�'
❑✓ Section 10: Variance Requests
❑ wl attachments
a
❑✓ Section 11: Checklist and Certification Statement
❑ wl attachments
Y
L
112
Certification Statement
U,
I certify under penally of law that this document and all attachments were prepared undermy direction or supervision
in accordance wr h a system designed to assure that qualified personnel pmpedygather and evaluate the
information submitted. Based on my inquiry of the person orpersons who manage the system, or those persons
dlrecgy responsible forgathering the information, the Information submitted is, to the best of my knowledge and
belief, true, accurate, and complete. I am aware that there are signficent penalties for submitting false information,
including the possibfldy of fine and Imprisonment for knowing violations.
Name (print or We first and last name)
Official title
James r. Kreger
General Manaer
Signature
Date signed
EPA Form 3510-1 (revised 3-19) Page 4

• SECTION C: LOCATION MAP
Permit No. NCS000312
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DART, A Clean
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Earth Company
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M y...ij.. •.i ra�y �+� •�',i ram. • ; 4•% n. L i -� . v.
Latitude: 35* 16' 41" N NCS000312
Longitude: 800 52' 17' W AERC Acquisitions Company
County' Mecklenburg d/b/a DART, A Clean Earth
Stream Class; C Company, LLC
Receiving Stream: Stewart Creek
Sub -basin: 03-08-34 (Catawba River Basin)
Page - 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD 121700777 NCS000312 DART A Clean Earth Company OMB No. 20404M
Form U.S Environmental Protection Agency
2F .=.EPA Application for NPDES Permit to Discharge Wastewater
NPDES STORMWATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY
SECTIONOUTFALL LOCATION•r
1.1 1 Provide information on each of the facili 's outialls in the table below
Outfall Receiving Water Name Latitude Longitude
Number
001 Stewart Creek 357 16 417 N a 80, 5f 17" W
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SECTION 2. IMPROVEMENTSr
2.1 Are you presently required by any federal, state, or local authority, to meet an implementation schedule for constructing,
upgrading, or operating wastewater treatment equipment or practices or any other environmental programs that could
affect the discharges described in this application?
❑ Yes ❑✓ No 4 SKIP to Section 3.
22 Briefly identify each applicable project in the table below.
Brief Identification and Affected OuNalls Source(s) of Discharge Final Compliance Dates
Description of Project (list outfall numbers)
Required Projected
N
G
E
d
0
E
E
2.3 Have you attached sheets describing any additional water pollution control programs (or other environmental projects
that may affect your discharges) that you now have underway or planned? (Optional Item)
❑ Yes ❑ No
EPA Form 3510.21' (Revised 3.19) Page 1

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD 121700777 NCS000312 DART A Clean Earth Company OMB No.2040-0004
SECTIOND•, t
w 3.1 Have you attached a site drainage map containing all required information to this application? (See instructions for
specific guidance.)
y � �
c 0 Yes ❑ No
4.1 Provide information on the facility's pollutant sources in the table below.
Outfall
Impervious Surface Area
Total Surface Area Drained
Number
(within a mile radius of the facility)
(within a mile radius of the facility)
specify units
specify units
001
1.8
acres
2.25
acres
speciy units
specify units
specify units
specify units
specify units
specify units
specify units
specify units
specify units
specify units
4.2
Provide a narrative description of the facility's significant material in the space below. (See instructions for content
requirements.)
d
Empty totes that once contained hazardous waste. These totes are washed free of any resdue and wash water is
collected and treated in our pretreatment system that discharges to the Charlotte, NC POTW at Irwin Creek.
P Y g
0
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m
0
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4.3
Provide the location and a description of existing structural and non-structural control measures to reduce pollutants in
stormwater runoff. See instructions forspecificguidance.)
Stormwater Treatment
Codes
Outfall
from
Number
Control Measures and Treatment
Exhibit
2P—t
list
001
Storm Water Detention Basin
NA
001
Run -On Control Structures
NA
001
Emergency Control Valve
NA
001
Storing materials under roof
NA
001
Good Housekeeping and Visual Inspections
NA
001
Waste and Chemical Storage areas with Secondary Containment
NA
EPA Farm 3510-21' (Revised 3-19) Page 2

M
A Identifiaton Number NPDES Permit Number Facility Name Form Approved 03/05/19
NCD 121700777 NC5000312 DART A Clean Earth Company OMB No. 2040-0004
ON •N STORMWATER DISCHARGES
5.1 1 certify under penalty of law that the outfall(s) covered by this application have been tested or evaluated for the
presence of non-stormwater discharges. Moreover, I certify that the outfalls identified as having non-stormwater
discharges are described in either an accompanying NPDES Form 2C, 2D, or 2E application.
Name (print or type first and last name) Official title
Trent Dilworth I Director EHS
5.2 Provide the testing information"requested in the table below.
Outhill Description of Testing Method Used
Number
001 Visual Qualitative
01/17/2023
Date(s) of Testing
08/03/2022
6.1 1Describe any significant leaks or spills of toldc or hazardous pollutants in the last three years.
No significant spills or leaks reported.
Onsite Drainage Points
Directly Observed
001 Outfall
See the instructions to determine the pollutants and parameters you are required to monitor and, in turn, the tables you must
complete. Not all applicants need to complete each table.
7.1 Is this a new source or new discharge?
❑ Yes + See instructions regarding submission of ❑� No 4 See instructions regarding submission of
estimated data. actual data.
Tables A, B, C, and D
7.2 Have you completed Table A for each outfali?
✓❑ Yes ❑ No
EPA Form 3510-2F (Revised 3-19) Page 3

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03105/19
NCD 121700777
NCS000312
DART A Clean Earth Company
OMB No. 2040-0004
7.3
Is the facility subject to an effluent limitation guideline (ELG) or effluent limitations in an NPDES permit for its process
wastewater?
❑ Yes ❑ No 4 SKIP to Item 7.5.
7.4
Have you completed Table B by providing quantitative data for those pollutants that are (1) limited either directly or
indirectly in an ELG and/or (2) subject to effluent limitations in an NPDES permit for the facility's process wastewater?
❑ Yes 0 No
7.5
Do you know or have reason to believe any pollutants in Exhibit 217-2 are present in the discharge?
❑ Yes 0 No + SKIP to Item 7.7.
7.6
Have you listed all pollutants in Exhibit 2F-2 that you know or have reason to believe are present in the discharge and
provided quantitative data or an explanation for those pollutants in Table C?
❑ Yes ❑ No
7.7
Do you qualify for a small business exemption under the criteria specified in the Instructions?
❑ Yes +SKIP to Item 7.18. ❑ No
7.8
Do you know or have reason to believe any pollutants in Exhibit 2F 3 are present in the discharge?
❑ Yes 0 No + SKIP to Item 7.10.
7.9
Have you listed all pollutants in Exhibit 2F--3 that you know or have reason to believe are present in the discharge in
Table C?
o
❑ Yes ❑ No
c�
o
7.10
Do you expect any of the pollutants in Exhibit 217-3 to be discharged in concentrations of 10 ppb or greater?
❑ Yes ❑✓ No * SKIP to Item 7.12.
7.11
Have you provided quantitative data in Table C for those pollutants in Exhibit 2F-3 that you expect to be discharged in
concentrations of 10 ppb or greater?
y
❑ Yes ❑ No
7.12
Do you expect acrolein, acrylonitrile, 2,4-dinitrophenol, or 2-methyl-4,6-dinitrophenol to be discharged in concentrations
of 100 ppb or greater?
❑ Yes ❑ No 4 SKIP to Item 7.14.
7.13
Have you provided quantitative data in Table C for the pollutants identified in Item 7.12 that you expect to be
discharged in concentrations of 100 ppb or greater?
❑ Yes ❑ No
7.14
Have you provided quantitative data or an explanation in Table C for pollutants you expect to be present in the
discharge at concentrations less than 10 ppb (or less than 100 ppb for the pollutants identified in Item 7.12)?
❑ Yes 0 No
7.15
Do you know or have reason to believe any pollutants in Exhibit 217-4 are present in the discharge?
❑ Yes ❑ No + SKIP to Item 7.17.
7.16
Have you listed pollutants in Exhibit 2F-4 that you know or believe to be present in the discharge and provided an
explanation in Table C?
❑ Yes ❑ No
7.17
Have you provided information for the storm event(s) sampled in Table D?
❑ Yes 0 No
EPA Form 3510-2F (Revised 3-19) Page 4

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
NCD 121700777
NCS000312
DART A Clean Earth Company
OMB No. 2040-0004
Used or Manufactured Toxics
7.18
Is any pollutant listed on Exhibits 2F-2 through 2F-4 a substance or a component of a substance used or
manufactured as an intermediate or final product or byproduct?
0
c
❑ Yes No + SKIP to Section 8.
0
7.19
List the pollutants below, including TCDD if applicable.
E
0
d
1. 4. 7.
2. 5. 8.
L
U
0
3. 6. 9.
SECTION•
•GICAL TOXICITY TESTING DATA .r
Do you have any knowledge or reason to believe that any biological test for acute or chronic toxicity has been made on
8.1
is
any of your discharges or on a receiving water in relation to your discharge within the last three years?
0
❑ Yes ❑✓ No 4 SKIP to Section 9. 01/17/2023
N
8.2
Identify the tests and their purposes below.
'x
Tests)
Purpose ofTest(s)
Submitted toNPDES
Permitting Authority?
Date Submitted
0
❑ Yes ❑ No
U
o
❑ Yes ❑ No
0
m
❑ Yes ❑ No
SECTION•
• • -r
9.1
Were any of the analyses reported in Section 7 (on Tables A through C) performed by a contract laboratory or
consulting firm?
0 Yes ❑ No 4 SKIP to Section 10.
9.2
Provide information for each contract laboratory or consulting firm below.
Laboratory Number 1
Laboratory Number 2
Laboratory Number 3
Name of laboratory/firm
Pace Analytical
0
E
0
H
Laboratory address
106 Vantage Poin Drive, West
i.
Columbia, SC 29172
m
c
U
M
o
Phone number
v
[phone]
Pollutant(s) analyzed
oil and
grease, total phosphorus, total
Kjeldahl nitrogen, and Nitrate
EPA Form 3510-2F (Revised 3-19) Page 5

NC0121700777 NCO00 mnoer
NC000312 DART A Clean Earth company Form MSNo.200.0004
P Y OMB No.2040-0004
gh
t0.1 In Column 1 below, mark the sections of Form 2F that you have completed and are submitting with your application. For
each section, specify In Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not
all a ficants are r uired to complete all sections or provide attachments.
Column 1
- Column
© Section 1 ❑ w/ attachments (e.g., responses for additional outialls)
0 Section 2 ❑ wl attachments
❑ Section 3 El w/ site drainage map
Section 4 ❑ wl attachments
El section 0 w/attachments
a
❑✓ Section ❑ wiattachments
a Section 7
0 Table A ❑ w/ small business exempton request
❑ Table B ❑ wl analytical resub as an attachment
U
❑ Table C ❑ Table D
❑✓ Section 8
❑ w/attachments
y- ❑✓ Section 9 ❑ w/attachments
s (e.g., responses for additional contact laboratories or firms)
U"
0 Section 10 ❑
10.2 Certiticatlon Statement
I certify under penalty of law that this document and all attachments were prepared under my direction orsupervision in
accordance wfill a system designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on mytnquiry of the person orpersons who manage the system or those persons directly rasp ble
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 penafges for submitting false information, including the possibrTrty of tine
andimprfsonmerd forlmowing violations.
Name (print or type first and last name) Official title
James Kreger
General Manager
Signature �y Date signed
EPA Fran 3510-2F (Revised 3-19)
Page 5

NCD 121700777 I NCS000312 I DART A Clean Earth Company 1001
Form Approved 03105119
OMB No. 2040-0004
TABLE A. CONVENTIONAL AND NON CONVENTIONALr
You must provide the results of at least one anal sis for every pollutant in this table. Complets one table for each outfall. See instructions for additional details and re uirementa.
Pollutant or Parameter
Maximum Daily Discharge
(specify units)
Average Daily Discharge
(specify units)
.Number of Storm
Events Sampled
Source of
Information
di(newsouDuringonly, use
dischargers
codes in instructions)
Gra Sam loTtken
30 Minutes
Flow -Weighted
Composite
Grab Sample
uring First
30 Minutes
Flow -Weighted
Composite
1.
Oil and grease
NonDetect
ndetect
2.
Biochemical oxygen demand (BODs)
NA
NA
3.
Chemical oxygen demand (COD)
NA
NA
4.
Total suspended solids (TSS)
12 mg/1
12 mg/I
5.
Total phosphorus
0.12 mg/I
0.12 mg/I
6.
Total Kjeldahl nitrogen (TKN)
1.5 nr l
1.5 mg/1
7.
Total nitrogen (as N)
1.63 mg/I
mg/
I
pH (minimum)
6.5 su
JJE1.63
6.5
8.pH(maximum)
6.5 su
6.5
Ej
t Sampling shall be conducted according to sufficiently sensitive test procedures (i.e., methods) approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Fonn 3510-21' (Revised 3-19) Page 7

.m wenureanion Number NPueS Permit Number Facility Name Outfati Nu
NCD 121700777 NC000312 DART Gean Earth Company 001
Form Approved 03105/19
OMB No.2040-M
List each pollutant that is limited in an effluent Gmita6on guideline (ELG) that the Witty is subject to or any pollutant listed in the facti y's NPDES permit for its process wastewater (If the
facility Is operating under an existing NPDES permit). Complete one table for each ouffall. Seethe instructions for additional details and requirements.
Pollutant and CAS Number (if available)
-
Maximum Daily Discharge
(specify units)
Average Daily Discharge
(specl units)Number
of Storm
Events Sampled
Source of
Information
;. (Information
thew
dischargers Only" use
r9 y -
cDdealnlnsWctions)
Grab Sample Taken
During First
30Minutes
Flow -Weighted
Composite
Grab SampletTaken
During First
30Minutes
'Flow -Weighted
Composite
va„ pi-v ai lo,, w wuuuumu duwmn ig ru aumat nay sensmve resr proceaures O.e., memoos) approvea under 40 ol-R 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
EPA Form a510.2F (Revised 3.19) Page 9

EPA Identification Number NPDES Permit Number
NM 121700777 NC000312
Facility Name Outten Number FormApproved 03105/19
DART A Clean Earth Company 001 OMB No. 20400004
a •XijMTUjOjjjTWll
List each pollutant shown in Exhibits 217-2, 217-3, and 2F-4 that you know or have reason to believe is present Complete one table for each outfall. See the instructions for additional
details and requirements.
Pollutant and CAS Number (if available).
MaximumDally Discharge
[siseell units
Average Daily Discharge'
(Spec units)Number
of Storm
Events Sampled -.
-
Source of
(Infor Information
Information
w
discha�geraonty;ase
codes In"hstnictions)
Grab Sample Taken
During First-
30-Minutes
' `
Flow -Weighted
Composite
'Grab Sample Taken
During First
30 Minutes
Flow -Weighted
-'Composite
Quugnmg arms uc wnuuuteu auwru ig io sumaaney senslwe rest procedures (i.e., methods) approved under40 CFR 136 for the anatysis of pollutants or pollutant parameters or
required under40 CFR chapter I, subchapter N or 0. See Instructions and 40 CFR 12221(e)(3).
EPA Form 3510.21F (Rai 3-19) Page 11

EPA Identification Number NPDES Permit Number Facility name Outfall Number Form Approved 03105119
NCD 121700777 N0000312 DARTACIean Earth Company 001 OMB No.2040-0004
TABLE D. STORM EVENT INFORMATION,r
Provide data for the storm events) that resulted in the maximum daily discharges for the flow -weighted composite sample.
Number of Hours Between-
Duration of Storm Event Total Rainfall During Beginning of Storm Measured and Maximum flow Rate Total Flow from Rain Event
Date of Storm Event Storm Event During Rain Event
on hours): (in ) End of Previous Measurable Rain (In pmors (in gallons or specify units)
inches gp ,pptlryuNts)
Event.....
10/31/2022
1 0.2 1 5 300
Provide a description of the method of flow measurement or estimate.
Visually estimated Flow.
EPA Form 3510.2F (Revised 3-19) Page 13

aceAnalytical
Report of Analysis
DART, A Clean Earth Company
4132 Pompano Road
Charlotte, NC 28216
Attention: Scot Madix
Project Name: Stormwater
Lot Number:XL01068
Date Completed:12/14/2022
Project Manager:Michael L. Kilpatrick
12/16/2022 8:31 AM
Approved and released by:
Project Manager II: Edward Barnett
I
ARICRDTn
ACCREDITED
—®—
i6iINElT➢dMiORY
The electronic signature above is the equivalent of a handwritten signature.
This report shall not be reproduced, except In its entirety, without the written approval of Pace Analytical Services, LLC.
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172
Tel:[phone] Fax:[phone] www.pacelabs.com
Pago I of 8

PACE ANALYTICAL SERVICES, LLC
SC DHEC No: 32010001 NELAC No: E87653 NC DENR No: 329 NC Fleld Parameters No: 5639
Case Narrative
DART, A Clean Earth Company
Lot Number: XL01068
This Report of Analysis contains the analytical result(s) for the sample(s) listed on the Sample Summary
following this Case Narrative. The sample receiving date is documented in the header information
associated with each sample.
All results listed in this report relate only to the samples that are contained within this report. Where
sampling is conducted by the client, results relate to the accuracy of the information provided, and as the
samples are received.
Sample receipt, sample analysis, and data review have been performed In accordance with the most
current approved The NELAC Institute (TNI) standards, the Pace Analytical Services, LLC ("Pace")
Laboratory Quality Manual, standard operating procedures (SOPS), and Pace policies. Any exceptions to
the TNI standards, the Laboratory Quality Manual, SOPs or policies are qualified on the results page or
discussed below.
Pace is a TNI accredited laboratory; however, the following analyses are currently not listed on our TNI
scope of accreditation: Drinking Water: VOC (excluding BTEX, MTBE, Naphthalene, & 1,2-
dichloroethane) EPA 524.2, E. coil and Total coliforms SM 9223 B-2004, Solid Chemical Material: TOC
Walkley-Black, Biological Tissue: All, Non -Potable Water: SGT=HEM EPA 1664B, Silica EPA 200.7,
Boron, Calcium, Silicon, Strontium EPA 200.8, Bicarbonate, Carbonate, and Hydroxide Alkalinity SM 2320
B-2011, SM 9221 C E 2006 & SM 9222D-2006, Strontium SW-846 6010D, VOC SM 6200 B-2011, Fecal
Coliform Colilert 18.
If you have any questions regarding this report, please contact the Pace Project Manager listed on the
cover page.
Inorganic Non -Metals
The laboratory control sample (LCS) for analytical batch 62024 exceeded acceptance criteria for COD
during the initial run. The SOP specifies that the LCS will recover within 5% of the true value. The
associated sample was reanalyzed in hold and the second run has been reported.
Pace Analydml Services, LLC (iommody Sherry Enwromnota! Ser,*04 Ina)
108 Vantage Paint Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 2 of 8

PACE ANALYTICAL SERVICES, LLC
Sample Summary
DART, A Clean Earth Company
Lot Number: XL01068
Sample Number Sample ID Matrix Date Sampled Date Received
001 001 Aqueous 1210IJ2022 0940 12/01/2022
(1 Sample)
Pace Analydcal Services. LLC (formerly Shealy Envinonmental Services, Inc)
108 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 3 of 8

Inorganlc non-metals
Client DART, A Clean Earth Company Laboratory ID:XL01068-001
Description: 001 Matrix: Aqueous
Date Sampled1210112022 0940
Date Received:1210112022
Run Prep Method
Analytical Method
Dilution
Analysis Date Analyst Prep Date Batch
1
(pH - Field) SM 4500-H B 2011
1
12101/2022 0942 GMC
1
(Temperature) SM 255OB-2010
1
12f01/2022 0942 GMC
2
(COD) SM 522OD-2011
1
12/08/2022 2051 CLL2 62169
1
(TSS) SM 254OD-2011
1
12/08/2022 2338 CBP 62198
CAS Analytical
Parameter
Number Method
Result Q LOQ
Units
Run
pH - Field
SM 4500-H B 20
6.5
su
1
Temperature - Field
SM 2550E-2010
11.0
° C
1
COD
SM 5220D-2011
20 20
mg1L
2
TSS
SM 25OD 2011
12 10
mg1L
1
LOQ - Limit of Quantilation 9 - Detected In the method blank E a Quantitetion of compound oxcooded the calibration range Q Surrogate failure
NO - Not dotecbd at or above the LOQ N = Recovery Is out of atieda P - The RPO between two GC columns exceeds 4D 16 L LCSILCSD failure
H a Out of holding time W R Reported on vet weight basis S = MiSlMSD Mum
Pace Analytical Services. LLC (lurmerfy Shealy Envlronmenlal Services, Inc.)
108 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 4 of

Chain of Custody
and
Miscellaneous Documents
Pace Analydcal Services. LLC (tonnerly Shealy Envlroamental Send Inc.)
106 Vantage Point Drivo West Columbia SC 29172 [phone] Fax (803) 79"111 www.pacelabs.com
Page 5 of 8

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106 Vantage Point Drfve West Columbla, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 7of8

PACE ANALYTICAL SERVICES, LLC
J3C�ii;,,Yt#Ea: Ei-FR#�l�►�JC�L-t�'��88 v1}2�SatnpEes Rei:�ipt ckli�t �51�C�
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108 Vantage Point Drive West Columbia. SC 29172 (803) 7919700 Fax [phone] www.pacelabs.com
Page 8 of 8

PACE ANALYTICAL SERVICES, LLC
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JOaVantage Point Drive West 0clumhlaSC29172 [phone] Fox [phone] www.paoulabo.com
• Page 9 of 9

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FIGURE 2: SITE PLAN
DART — A Clean Earth company
CHARLOTTE, NORTH CAROLINA
SPCC SITE MAP
BY DATE DEC 2020 PROD, NO. SPCC OWG. NO.
M BY I REWSION NO. 1 AAS491/034

New
AM
%XeANeARTH`
RECYCLING & DISPOSAL SOLUTIONS
NON-STORMWATER DISCHARGE/ILLICIT CONNECTIONS
DART, A Clean Earth Company has evaluated the stormwater Outfail 001 at its Charlotte
Treatment Center for the presence of non-stormwater discharge and possible illicit
connections.
Non-stormwater discharges or illicit connections were detect7r,
or pr sent
o Yes 0 O
"/ 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. l am aware that there are significant
penalties for submitting false information, including the possibility of 'fine and
imprisonment for knowing violations."
Name Signature
0
Title Date
4132 Pompano Road, Charlotte, MC 28216 1 P 704.39S.95S9 I cleanearthinc.com

aceAnalyticalG
Report of Analysis
DART, A Clean Earth Company
4132 Pompano Road
Charlotte, NC 28216
Attention: Scot Madix
Project Name: SW - Permit Renewal
Project Number: DART, A Clean Earth Company
Lot Number:XL07103
Date Completed:01/03/2023
01 /03/2023 4:01 PM
Approved and released by:
Manager: Michael L. Kilpatrick
Al�li�
IMLYNxvi4a�MVGf B9rd
RCL XEOITEE
rzsnxoumasrom
The electronic signature above is the equivalent of a handwritten signature.
This report shall not be reproduced, except in Its entirety, without the written approval of Pace Analytical Services, LLC.
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172
Tel: [phone] Fax:[phone] www.pacelabs.com
Pagel or7

PACE ANALYTICAL SERVICES, LLC
SC OHM No: 32010001 NEIAC No: E87653 NC DENR No: 329 NC Field Parameters No: 5639
Case Narrative
DART, A Clean Earth Company
Lot Number: XL07103
This Report of Analysis contains the analytical result(s) for the sample(s) listed on the Sample Summary
following this Case Narrative. The sample receiving date is documented in the header information
associated with each sample.
All results listed in this report relate only to the samples that are contained within this report. Where
sampling is conducted by the client, results relate to the accuracy of the information provided, and as the
samples are received.
Sample receipt. sample analysis, and data review have been performed In accordance with the most
current approved The NELAC Institute (TNI) standards, the Pace Analytical Services, LLC ("Pace")
Laboratory Quality Manual, standard operating procedures (Sops), and Pace policies. Any exceptions to
the TNI standards, the Laboratory Quality Manual, SOPs or policies are qualified on the results page or
discussed below.
Pace is a TNI accredited laboratory; however, the following analyses are currently notlisted on our TNI
scope of accreditation: Drinking Water: coliforms SM 9223 B(excluding BTEX, TBE, Naphthalene, 2004, Solid Chemical Material: TOC
dichloroethane) EPA 524.2, E. colt and Total
Waikley-Black, Biological Tissue: AII, Non -Potable Water: SGT=HEM EPA 166413, Silica EPA 200.7,
Boron, Calcium, Silicon, Strontium EPA 200.8, Bicarbonate, Carbonate, and Hydroxide Alkalinity SM 2320
B-2011, SM 92-21 C E-2006 & SM 9222D-2006, Strontium SW-846 6010D, VOC SM 6200 B-2011, Fecal
Coliform Colilert-18.
If you have any questions regarding this report, please contact the Pace Project Manager listed on the
cover page.
Paoe Analytical services, LLC (formerly Shealy FnWronmelal Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 2 of 7

M
PACE -ANALYTICAL SERVICES, LLC
Sample Summary
DART, A Clean Earth Company
Lot Number: XL07103
Sample Number Sample ID Matrix Date Sampled Date Received
001 001 Aqueous 12107/20221000 12/07/2022
(1 sample)
Pace Analytical Services, LLC (krmerly Shealy EnAunmenfel Services, Ina)
106 Vantage Point Drive West Columbia. SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 3 of 7

Inorganic non-metals
Client: DART. A Clean Earth Company
Description: 001
rate Sampled:12J07120221000
Date Received:1210712022
Run Prep Method Anayyti a) Method 2
1 (Phosphorus) 365.1
1 351.4 (TKN) 351.2
M 1 d)16648
Dilution Analysis Date Analyst
1 12130120221143 MSG
1 12109/2022 2121 DMA
1 12/21/20221614 DMA
1 12115/20221717 CU
Laboratory ID: XL07103-001
Matrix: Aqueous
Prep Date Batch
63918
62326
12121/20221051 63297
62858
1
(HE (al an
CAS Analytical
Number Method
Result 4
LOCI
Units
Run
Parameter
353.2
0.13
0.020
mg1L
1
Nitrate -Nitrite - N
7723-14-0 365.1
0.12
0.050
mg1L
1
Phosphorus
351.2
1.5
0.10
mg1L
1
TKN
1664E
ND
5.0
mg1L
1
HEM (oil and grease)
0%
Q n Surrogate failure
LOQ - Ltadt of Quanuatton B = Detected in the method blank E = Quantitation of compound exceeded the caTcbtense L - LCSA.CSD fa$um
ND a Not ducted at or above the LOQ N o Recovery is out o f Leda P - The RPD between two GC coluntna excoada 409ti S a WNW faRuro
H c Out of holding time W - Reported on wet weight baste
Pace Analytical Services, LLC (farmedy Shealy Envlionm9nW Services, Ina)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] vrww.paceiabs corn
Page 4 of 7

Chain of Custody
and
Miscellaneous Documents
Pace Analytical Services, LLC (fomrerly Shealy EnvbvnmenW Services, Inc.)
106 Vantage Point Drive West Celumble, SC 29172 [phone] Fax [phone] www.paoalabs.com
Page 5 of 7

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Page 7 of 7

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106 Vantage Point Drive West Columbia, SC: 29172 [phone] Fax [phone] wvnv.parelabs.cDm
Page 9 of 9

Inorganic non-metals
Client: DART, A Clean Earth Company Laboratory ID:XL07103-001
Description: 001 Matrix: Aqueous
Date Sampled:1210M0221000
Date Received:1210MO22
Run Prep Method
Analytical Method
Dilution
Analysis Date Analyst
Prep Date Batch
1
(Nitrate-Nitr) 353.2
1
12/30/20221143 MSG
63918
1
(Phosphorus) 365.1
1
12/09/2022 2121 DMA
62326
1 351.4
(TKN) 351.2
1
12/21/2022 1614 DMA
12/21/2022 1051 63297
1
(HEM (oil and) 1664E
1
12/15/2022 1717 CLJ
62858
CAS Analytical
Parameter
Number Method
Result Q
LOQ
Units
Run
Nitrate -Nitrite - N
353.2
0.13
0.020
mg/L
1
Phosphorus
7723-14-0 365.1
0.12
0.050
mg/L
1
TKN
351.2
1.5
0.10
mg/L
1
HEM (oil and grease)
1664E
ND
5.0
mg/L
1
LOQ = Limit of Quantitatlon B a Detected in the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate failure
ND = Not detected at or above the LOQ N = Recovery is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S = MS/MSD failure
Pace Analytical Services, LLC (formerly Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.pacelabs.com
Page 4 of 7

Inorganic non-metals
Client: DART, A Clean Earth Company Laboratory ID:XL01068-001
Description: 001 Matrix: Aqueous
Date Sampled:12101/2022 0940
Date Received:1210112022
Run Prep Method
Analytical Method
Dilution
Analysis Date Analyst Prep Date Batch
1
(pH - Field) SM 4500-H B-2011
1
12/01/2022 0942 GMC
1
(Temperature) SM 2550B-2010
1
12/01/2022 0942 GMC
2
(COD) SM 5220D-2011
1
12/08/2022 2051 CLL2 62169
1
(TSS) SM 254OD-2011
1
12/08/2022 2338 CBP 62198
CAS Analytical
Parameter
Number Method
Result Q LOQ
Units
Run
pH - Field
SM 4500-H B 20
6.5
su
1
Temperature - Field
SM 255OB-2010
11.0
° C
1
COD
SM 5220D-2011
20 20
mg/L
2
TSS
SM 2540D-2011
12 10
mg/L
1
LOQ = Llmit of Quantitation B = Detected In the method blank E = Quantitation of compound exceeded the calibration range Q = Surrogate (allure
ND = Not detected at or above the LOQ N = Recovery Is out of criteria P = The RPD between two GC columns exceeds 40% L = LCS/LCSD failure
H = Out of holding time W = Reported on wet weight basis S MS/MSD failure
Pace Analytical Services, LLC (formedy Shealy Environmental Services, Inc.)
106 Vantage Point Drive West Columbia, SC 29172 [phone] Fax [phone] www.paoelabs.com
Page 4 of 8