NC0089982_Renewal (Application)_20210707

lierracon
April 24, 2020
North Carolina Department of Environmental Quality
1612 MSC
Raleigh, NC 27699-1612
Attn: Ms. Suzanne McCoy
E: [e-mail]
Re: Industrial Wastewater Discharge Permit Application
Wilbara Sulfuric Acid Plant
4620 Highway 421 North
Wilmington, NC 28401
Dear Ms. McCoy:
On behalf of Wilbara, LLC/Southern States Chemical, Terracon Consultants, Inc. (Terracon) has
completed the enclosed Industrial NPDES Permit Application and supporting documentation for
the above -referenced facility. Preparation of this NPDES Individual permit application is
associated with the proposed addition of wash waters from facility tank cleaning and
maintenance activities to the facility's present discharge of non -contact cooling water, boiler
blowdown, and cooling tower blowdown through Outfall 001. The individual permit would
replace the facility's present NPDES General Permit NCG500000.
Should you have any questions please contact us at your earliest convenience at (704) 594 -
8912 or via email at [e-mail] .
Sincerely,
Terracon Consultants, Inc.
McKhenzy A. Welch, CPESC
Staff Scientist
Attachments:
Exhibits:
Appendix A:
Appendix B:
Appendix C:
M. Neal McElveen, PE
Principal/Environmental Manager
Exhibit 1: Topographic Map
Exhibit 2: Site Diagram
EPA Form 3510-1: General Information
EPA Form 3510-2C: Existing Manufacturing, Commercial, Mining, and Silviculture
Operations
EAA
Laboratory Analytical Reports
Terracon Consultants, Inc. 2701 Westport Road Charlotte, North Carolina 28208
P [704] 509 1777 F [704] 509 1888 terracon.com
GeotechnicaI • Environmental • Construction Materials • Facilities

EXHIBITS

Feet
0 1,000,000 4,000
Approximate Site Boundary
• Approximate Outfall Location
Source: 2011 National Geographic Society/ESRI, i-cubed
seamless USGS quadrangles (Castle Hayne, NC); Site
Boundary approximated by Terracon.
PM:
NM
Project No.
71197840
Drawn By:
KT
Scale:
1:51,363
Checked By:
MW
Filename:
Topo
lrerracon
Approved By:
Date:
February 2020
2701 Westport Rd Charlotte, NC 28208
Topographic Vicinity Map
EXHIBIT
NO.
Wilmington Plant NPDES Permitting
4620 Highway 421 North
Wilmington, New Hanover County,
North Carolina
1
NM
Phone: [phone] Fax: [phone]

0 750
1,500
Feet
3,000
•
Tidal Flow
Approximate Outfall 001 Location
Source: 2011 National Geographic Society/ESRI, i-cubed
seamless USGS quadrangles (Castle Hayne, NC); Site
Boundary approximated by Terracon.
PM:
NM
Project No.
71197840
Drawn By:
KT
Scale:
1:18,000
Checked By:
MW
Filename:
Site_Diagram
lrerracon
Approved By:
Date:
February 2020
2701 Westport Rd
Charlotte, NC 28208
Site Diagram
EXHIBIT
NO.
Wilmington Plant NPDES Permitting
4620 Highway 421 North
Wilmington, North Carolina
2
NM
Phone: [phone]
Fax: [phone]

APPENDIX A

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
Form
1
NPDES
V%EPA
U.S. Environmental Protection Agency
Application for NPDES Permit to Discharge Wastewater
GENERAL INFORMATION
co
Activities Requiring an NPDES Permit o
0
1. ACTIVITIES
1.1
REQUIRING AN NPDES PERMIT (40 CFR 122.21(f) and (f)(1))
Applicants Not Required to Submit Form 1
1.1.1
Is the facility a new or existing publicly
treatment works?
If yes, STOP. Do NOT complete
Form 1. Complete Form 2A.
owned
1 1 2
Is the facility a new
treating domestic
If yes, STOP. Do NOT
complete Form 1.
Form 2S.
or existing treatment works
sewage?
✓ No
✓ No
Complete
1.2
Applicants Required to Submit Form 1
1.2.1
Is the facility a concentrated animal
operation or a concentrated aquatic
production facility?
Yes 4 Complete Form 1
and Form 2B.
feeding
animal
1.2.2
Is the facility an
commercial, mining,
currently discharging
existing manufacturing,
or silvicultural facility that is
process wastewater?
Form No
and Form 2C.
✓ No
✓ Yes 4 Complete
1
1.2.3
Is the facility a new manufacturing, commercial,
mining, or silvicultural facility that has
commenced to discharge?
Yes 4 Complete Form 1
and Form 2D.
not yet
1.2.4
Is the facility a new
commercial, mining,
discharges only nonprocess
❑ Yes 4 Complete
1 and
or existing manufacturing,
or silvicultural facility that
wastewater?
✓ No
Form ✓ No
Form 2E.
1.2.5
Is the facility a
discharge is composed
associated with
discharge is composed
non-stormwater?
new or existing facility whose
entirely of stormwater
industrial activity or whose
of both stormwater and
Complete Form 1 No
and Form 2F
unless exempted by
40 CFR
122.26(b)(14)(x) or
b 15 .
✓ Yes 4
Name, Mailing Address, and Location
2. NAME,
2.1
MAILING ADDRESS, AND LOCATION (40 CFR 122.21(f)(2))
Facility Name
Wilbara Sulfuric Acid Plant
2.2
EPA Identification Number
NCR000151795
2.3
Facility Contact
Name (first and last)
Bradley Smock
Title
Process Engineer
Phone number
[phone]
Email address
[e-mail]
2.4
Facility Mailing Address
Street or P.O. box
4620 Highway 421 North
City or town
Wilmington
State
North Carolina
ZIP code
28401
EPA Form 3510-1 (revised 3-19)
Page 1

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
Name, Mailing Address,
Operator Information SIC and NAICS Codes and Location Continued
• m
0
2.5
Facility Location
Street, route number, or other specific identifier
4620 Highway 421 North
County name
New Hanover
County code (if known)
City or town
Wilmington
State
North Carolina
ZIP code
28401
3. SIC
AND NAICS CODES (40 CFR 122.21(f)(3))
3.1
SIC Code(s)
Description (optional)
2819
3.2
NAICS Code(s)
Description (optional)
325180
4. OPERATOR
INFORMATION (40 CFR
122.21(f)(4))
4.1
Name of Operator
Southern States Chemical
4.2
Is the
'
name you listed in Item 4.1 also the owner?
Yes ❑ No
4.3
Operator Status
❑ Public —federal ❑ Public —state ❑ Other public (specify)
'
Private ❑ Other (specify)
Phone Number of Operator
4.4
Indian m Operator Information
Land -I Continued
0
4.5
Operator Address
Street or P.O. Box
4620 Highway 421 North
City or town
Wilmington
State
North Carolina
ZIP code
28401
Email address of operator
5. INDIAN
LAND (40 CFR 122.21(f)(5))
5.1
Is the facility
❑ Yes
located on Indian Land?
' No
EPA Form 3510-1 (revised 3-19)
Page 2

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
SECTION 6. EXISTING ENVIRONMENTAL PERMITS (40 CFR 122.21(f)(6))
Form Approved 03/05/19
OMB No. 2040-0004
6.1 Existing Environmental Permits (check all that apply and print or type the corresponding permit number for each)
❑✓ NPDES (discharges to surface ❑ RCRA (hazardous wastes) ❑ UIC (underground injection of
water) fluids)
❑� PSD (air emissions)
09904T02 Title V
❑ Nonattainment program (CAA)
❑ NESHAPs (CAA)
❑ Ocean dumping (MPRSA)
SECTION 7. MAP (40 CFR 122.21(f)(7))
❑ Dredge or fill (CWA Section 404)
❑ Other (specify)
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.)
SECTION 8. NATURE OF BUSINESS (40 CFR 122.21(f)(8))
8.1 Describe the nature of your business.
Industrial manufacturer of commercial -grade sulfuric acid.
Nature of Business
SECTION 9. COOLING WATER INTAKE STRUCTURES (40 CFR 122.21(f)(9))
9.1 Does your facility use cooling water?
❑� Yes ❑ No 4 SKIP to Item 10.1.
9.2 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
NPDES permitting authority to determine what specific information needs to be submitted and when.)
Water Supply Well
SECTION 10. VARIANCE REQUESTS (40 CFR 122.21(f)(10))
Variance Requests
10.1 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(m)? (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))
❑✓ Not applicable
EPA Form 3510-1 (revised 3-19) Page 3

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
0,
Checklist and Certification Statement o
0
11. CHECKLIST
11.1
AND CERTIFICATION STATEMENT (40 CFR 122.22(a) and (d))
In Column 1 below, mark the sections of Form 1 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 applicants are required to provide attachments.
Column 1
Column 2
1: Activities Requiring an NPDES Permit
❑ w/ attachments
✓ Section
2: Name, Mailing Address, and Location
❑ w/ attachments
✓ Section
3: SIC Codes
❑ w/ attachments
✓ Section
4: Operator Information
❑ w/ attachments
1 Section
❑ Section 5: Indian Land
❑ w/ attachments
6: Existing Environmental Permits
1 Section
✓ w/ attachments
7: Map
✓ Section
✓ map pographic
✓ wl additional attachments
8: Nature of Business
❑ w/ attachments
1 Section
9: Cooling Water Intake Structures
❑ w/ attachments
1 Section
❑ Section 10: Variance Requests
❑ w/ attachments
11: Checklist and Certification Statement
❑ w/ attachments
1 Section
11.2
Certification Statement
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 fine and imprisonment for knowing violations.
Name (print or type first and last name)
Steven Suek
Official title
Operations Manager
Signature
5'�Q.(.,4- a1-g // i
Date signed
04/01/2020
Click to go back to the beginning of Form
EPA Form 3510-1 (revised 3-19)
Page 4

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
Form
2C
NPDES
.c.EPA
U.S Environmental Protection Agency
Application for NPDES Permit to Discharge Wastewater
EXISTING MANUFACTURING, COMMERCIAL, MINING, AND SILVICULTURE OPERATIONS
SECTION 1. OUTFALL LOCATION (40 CFR 122.21(g)(1))
1.1
Outfall Location
Provide information on each of the facility's outfalls in the table below.
Outfall
Number
Receiving Water Name
Latitude
Longitude
1
Unnamed Cove on Invista
34° 18' 55.77" N
-77° 58' 26.76" W
Prop. to the Cape Fear Rivei
11
11
11
SECTION 2. LINE DRAWING (40 CFR 122.21(g)(2))
2.1
d
J
Have you attached a line drawing to this application that shows the water flow through your facility with a water
balance? (See instructions for drawing requirements. See Exhibit 2C-1 at end of instructions for example.)
❑✓ Yes ❑ No
SECTION 3. AVERAGE FLOWS AND TREATMENT (40 CFR 122.21(g)(3))
Average Flows and Treatment
3.1 For each outfall identified under Item 1.1, provide average flow and treatment information. Add additional sheets if
necessary.
**Outfall Number**
1
Operations Contributing to Flow
Operation
Average Flow
tank/equipment cleaning, maintenance /operational
mgd
Cooling Tower, Boiler /Cooling Tower Blow Down
mgd
- existing permit
mgd
Treatment Units
Description
(include size, flow rate through each treatment unit,
retention time, etc.)
0.01824 mgd
Code from
Table 2C-1
2-K
mgd
Final Disposal of Solid or
Liquid Wastes Other Than
by Discharge
Other - Not Applicable
EPA Form 3510-2C (Revised 3-19) Page 1

EPA Identification Number
NCR000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
Average Flows and Treatment Continued
3.1
cont.
**Outfall Number**
Operations Contributing
to Flow
Operation
Average Flow
mgd
mgd
mgd
mgd
Treatment
Units
Description
(include size, flow rate through each treatment unit,
retention time, etc.)
Code from
Table 2C-1
Final Disposal of Solid or
Liquid Wastes Other Than
by Discharge
**Outfall Number**
Operations Contributing
to Flow
Operation
Average Flow
mgd
mgd
mgd
Treatment
Description
(include size, flow rate through each treatment unit,
retention time, etc.)
Units
Code from
Table 2C-1
mgd
Final Disposal of Solid or
Liquid Wastes Other Than
by Discharge
System
Users
3.2
Are
•
you applying for an NPDES permit to operate a privately owned
Yes
0
treatment works?
No 4 SKIP to Section 4.
3.3
Have
■
you attached a list that identifies each user of the treatment
Yes
0
works?
No
EPA Form 3510-2C (Revised 3-19)
Page 2

EPA Identification Number
N C R000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
SECTION 4. INTERMITTENT
FLOWS (40 CFR 122.21(g)(4))
c
u_
cu
E
m
c
4.1
Except for storm runoff, leaks, or spills, are any discharges described
❑ Yes
✓
in Sections 1 and 3 intermittent or seasonal?
No 4 SKIP to Section 5.
4.2
Provide information on intermittent or seasonal flows for each applicable outfall. Attach additional pages, if necessary.
Frequency
Flow
Rate
Outfall
Number
Operation
(list)
Average
Days/Week
Average
MonthslYear
Long -Term
Average
Maximum
Daily
Duration
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
days/week
months/year
mgd
mgd
days
SECTION
5. PRODUCTION
(40
CFR 122.21(g)(5))
co
(.9
cu
co
0_
5.1
Do any effluent
❑ Yes
limitation guidelines (ELGs) promulgated by EPA
✓
under Section
No 4
304 of the CWA apply to your facility?
SKIP to Section 6.
5.2
Provide the following information on applicable ELGs.
ELG Category
ELG Subcategory
Regulatory Citation
Production -Based Limitations
5.3
Are any of the applicable ELGs expressed in terms of production
❑ Yes
✓
(or other measure of operation)?
No 4 SKIP to Section 6.
5.4
Provide an actual measure of daily production expressed in terms and units of applicable ELGs.
Outfall
Number
Operation, Product, or Material
Quantity per Day
Unit of
Measure
EPA Form 3510-2C (Revised 3-19)
Page 3

EPA
N C R000151795
SECTION
w
d
E
CD
Q
E
c
c
R
bl
N
!C
i
07
Q
Identification
6. IMPROVEMENTS
6.1
Number
Are you presently
upgrading, or
affect the discharges
❑ Yes
NPDES Permit Number
SW8 090331
(40 CFR 122.21(g)(6))
required by any federal, state, or
operating wastewater treatment equipment
described in this application?
Wilbara Sulfuric
local authority
or practices
Facility Name
Acid Plant
to meet an implementation
or any other environmental
Form Approved 03/05/19
OMB No. 2040-0004
schedule for constructing,
programs that could
6.3.
✓ No 4 SKIP to Item
6.2
Briefly identify each applicable project in the table below.
Brief Identification and Description of
Project
Affected
Outfalls
(list outfall
number)
Source(s) of
Discharge
Final Compliance Dates
Required
Projected
6.3
Have you attached sheets describing any additional water pollution
that may affect your discharges) that you now have underway
❑ Yes ❑ No
control programs
or planned? (optional item)
(or other environmental projects
Not applicable
✓
SECTION
7. EFFLUENT AND INTAKE CHARACTERISTICS (40 CFR 122.21(g)(7))
a
y
"L
0
ca
c
CD
cts
c
c
CD
it
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.
Table A. Conventional and Non -Conventional Pollutants
7.1
Are you requesting
your outfalls?
a waiver from your NPDES permitting
authority for one or more of
the Table A pollutants for any of
7.3.
■ Yes
0 No 4 SKIP to Item
7.2
If yes, indicate
Outfall
the applicable outfalls below.
Number
Attach waiver request
Outfall Number
and other required
information to the application.
Outfall Number
7.3
Have you completed
requested and
monitoring for all Table A pollutants at
attached the results to this application package?
each of your outfalls for which
No; has been
a waiver has not been
requested from my NPDES
for all pollutants at all outfalls.
0 Yes
a waiver
•permitting
authority
Table B.
Toxic Metals, Cyanide, Total Phenols, and Organic Toxic Pollutants
7.4
Do any of the
listed in Exhibit
facility's processes that contribute wastewater
2C-3? (See end of instructions for exhibit.)
fall into one or more of the
primary industry categories
7.8.
0 Yes
• No 4 SKIP to Item
7.5
Have you checked
"Testing Required" for all toxic metals,
cyanide, and total phenols in
Section 1 of Table B?
0 Yes
• No
7.6
List the applicable primary industry categories and check the boxes indicating the required GC/MS fraction(s) identified
in Exhibit 2C-3.
Primary Industry Category
Required GC/MS Fraction(s)
(Check applicable boxes.)
Inorganic Chemical Manufacturing
0 Volatile 0 Acid 0 Base/Neutral 0 Pesticide
❑ Volatile 0 Acid 0 Base/Neutral 0 Pesticide
0 Volatile 0 Acid 0 Base/Neutral 0 Pesticide
EPA Form 3510-2C (Revised 3-19)
Page 4

EPA Identification Number
N C R000151795
NPDES Permit Number
SW8 090331
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
0,
Used or Manufactured ° Toxics Effluent and Intake Characteristics Continued
0
7.7
Have you checked
GC/MS fractions
"Testing Required" for all required
checked in Item 7.6?
pollutants in Sections 2 through
5 of Table B for each of the
0 Yes
• No
7.8
Have you checked
where testing
"Believed Present" or "Believed
is not required?
Absent" for all pollutants listed in Sections
1 through 5 of Table B
4 Yes
• No
7.9
Have you provided
required or (2)
indicated are
(1) quantitative data for those
quantitative data or other required information
"Believed Present" in your discharge?
Section 1, Table B, pollutants for which
for those Section 1, Table
you have indicated testing is
B, pollutants that you have
0 Yes
■ No
7.10
Does the applicant
Yes +
qualify for a small business exemption
Note that qualify at the top of Table
then SKIP to Item 7.12.
under the criteria specified
B,
in the instructions?
•you
p No
7.11
Have you provided
determined testing
pollutants you
(1) quantitative data for those
is required or (2) quantitative data
have indicated are "Believed Present"
Sections 2 through 5, Table B, pollutants
or an explanation for those Sections
in your discharge?
for which you have
2 through 5, Table B,
0 Yes
• No
Table C. Certain Conventional and Non -Conventional Pollutants
7.12
Have you indicated
for all outfalls?
whether pollutants are "Believed Present" or "Believed Absent" for all pollutants listed on Table C
❑ No
✓ Yes
7.13
Have you completed
indirectly in an
"Believed Present"?
Table C by providing (1) quantitative data for those pollutants that are limited either directly or
ELG and/or (2) quantitative data or an explanation for those pollutants for which you have indicated
❑ No
✓ Yes
Table D. Certain Hazardous Substances and Asbestos
7.14
Have you indicated
all outfalls?
whether pollutants are "Believed Present" or "Believed Absent" for all pollutants listed in Table D for
❑ No
✓ Yes
7.15
Have you completed
and (2) by providing
Table D by (1) describing the reasons the applicable pollutants are expected to be discharged
quantitative data, if available?
❑ No
✓ Yes
Table E. 2,3,7,8-Tetrachlorodibenzo-p-Dioxin (2,3,7,8-TCDD)
7.16
Does the facility use or manufacture one or more
know or have reason to believe that TCDD is or may
❑ Yes 4 Complete Table E.
of the 2,3,7,8-TCDD congeners listed
be present in the effluent?
in the instructions, or do you
8.
✓ No 4 SKIP to Section
7.17
Have you completed Table E by reporting qualitative data for TCDD?
❑ Yes ❑ No
8. USED
OR MANUFACTURED TOXICS (40 CFR 122.21(g)(9))
8.1
Is any pollutant listed in Table B a substance or a
an intermediate or final product or byproduct?
❑ Yes
component of a substance used or
manufactured at your facility as
9.
✓ No 4 SKIP to Section
8.2
List the pollutants below.
1. 4. 7.
2. 5. 8.
3. 6. 9.
EPA Form 3510-2C (Revised 3-19)
Page 5

EPA
N C R000151795
SECTION
tA
Identification
9. BIOLOGICAL
9.1
Number
TOXICITY
Do you have
within the last
❑ Yes
NPDES Permit Number
SW8 090331
TESTS (40 CFR 122.21(g)(11))
any knowledge or reason to believe that
three years on (1) any of your discharges
Wilbara Sulfuric
any biological
or (2)
Facility
on
✓
Name
Acid Plant
test for acute or chronic
a receiving water in
No 4 SKIP to Section
Form Approved 03/05/19
OMB No. 2040-0004
toxicity has been made
relation to your discharge?
10.
ta>
1-
9.2
Identify the tests and their
purposes below.
.0
o
Test(s)
Purpose of Test(s)
Submitted to NPDES
Permitting Authority?
Date Submitted
1-
0
❑ Yes ❑ No
0
0
'm
❑ Yes ❑ No
❑ Yes ❑ No
SECTION
10. CONTRACT
ANALYSES (40 CFR
122.21(g)(12))
10.1
Were
✓
any of the analyses reported in Section 7 performed by a contract laboratory or consulting firm?
Yes ❑ No 4 SKIP to Section 11.
10.2
Provide information for each contract laboratory or consulting firm below.
Laboratory Number 1
Laboratory Number 2
Laboratory Number 3
CI)
Name of laboratory/firm
Element One
Environmental Chemists, Inc.
d
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as
Q
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R
L
Laboratory address
6319-D Carolina Beach Road
Wilmington, NC 28412
6602 Windmill Way
Wilmington, NC 28405
0
o
Phone number
[phone]
[phone]
Pollutant(s) analyzed
Metals, TSS, cyanide, TOC,
COD, BOD, Ammonia
organics and phenolics
SECTION
11. ADDITIONAL
INFORMATION
(40 CFR 122.21(g)(13))
c
0
11.1
Has the NPDES permitting authority requested additional
❑ Yes
information?
✓
No 4 SKIP to Section 12.
15
L
O
c
o
11.2
List the information requested and attach it to this application.
1. 4.
c
0
15
2. 5.
3. 6.
EPA Form 3510-2C (Revised 3-19)
Page 6

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Form Approved 03/05/19
OMB No. 2040-0004
SECTION 12. CHECKLIST AND CERTIFICATION STATEMENT (40 CFR 122.22(a) and (d))
Checklist and Certification Statement
12.1
In Column 1 below, mark the sections of Form 2C 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 applicants are required to complete all sections or provide attachments.
Column 1
Column 2
1: Outfall Location
attachments
1 Section
✓ w/
2: Line Drawing
line drawing ❑ wl additional attachments
1 Section
✓ w/
Section
3: Average Flows and
wl list of each user of
attachments ❑ privately owned treatment
works
✓
✓ wl
Treatment
❑ Section 4: Intermittent Flows
❑ wl attachments
❑ Section 5: Production
❑ wl attachments
❑ Section 6: Improvements
w/ optional additional
❑ wl attachments ❑ sheets describing any
additional pollution control
plans
Section
7: Effluent and Intake
❑ w/ request for a waiver and
supporting information
❑ wl small business exemption
request
❑ Table wl A
❑ wl Table C
❑ wl Table E
❑ wl explanation for identical
outfalls
❑ w/ other attachments
❑ w/ Table B
❑ w/ Table D
✓
Characteristics
✓ w/ analytical results as an
attachment
❑ Section 8: Used or Manufactured
Toxics
❑ w/ attachments
Section
9: Biological Toxicity
❑ w/ attachments
✓
Tests
10: Contract Analyses
❑ w/ attachments
✓ Section
❑ Section 11: Additional Information
❑ w/ attachments
Section
12: Checklist and
Statement
❑ wl attachments
✓
Certification
12.2
Certification Statement
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 fine and imprisonment for knowing violations.
Name (print or type first and last name)
Steven Suek
Official title
Operations Manager
Signature
Date signed
04/01/2020
EPA Form 3510-2C (Revised 3-19)
Page 7

This page intentionally left blank.

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE
A. CONVENTIONAL AND NON
Pollutant
CONVENTIONAL
Waiver
Requested
(if applicable)
POLLUTANTS (40 CFR
Units
(specify)
122.21(g)(7)(iii))1
Effluent
Intake
(Optional)
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average Daily
Discharge
(if available)
Number of
Analyses
Long -Term
Average Value
Number of
Analyses
❑
Check here if you have applied to your NPDES permitting authority for a waiver for all of the pollutants listed on this table for the noted outfall.
1'
Biochemical oxygen demand
(BODS)
❑
Concentration
mg/I
<2
1
Mass
lb/d
2'
Chemical oxygen demand
(COD)
❑
Concentration
mg/I
76.6
20.69
16
Mass
lb/d
3.
Total organic carbon (TOC)
❑
Concentration
mg/I
2.09
1
Mass
lb/d
4.
Total suspended solids (TSS)
❑
Concentration
mg/I
26.6
1
Mass
Ib/d
5.
Ammonia (as N)
❑
Concentration
mg/I
<0.20
1
Mass
lb/d
6.
Flow
❑
Rate
mgd
0.05356
0.018225
17
7.
Temperature (winter)
❑
°C
°C
9.8
21.24
19
Temperature (summer)
❑
°C
°C
31.3
21.24
19
8.
pH (minimum)
❑
Standard units
S.U.
6.61
7.5
19
pH (maximum)
❑
Standard units
s.u.
8.48
7.5
19
1 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 Form 3510-2C (Revised 3-19)
Page 9

This page intentionally left blank.

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE,
Pollutant/Parameter
(and CAS Number, if available)
TOTAL PHENOLS,
Testing
Required
AND ORGANIC TOXIC
Presence or Absence
(check one)
POLLUTANTS (40 CFR
Units
(specify)
122.21(g)(7)(v))1
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Dscharge
eq fi
(required)
Maximum
Monthly
Discharge
(red) if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
AverageValue
Number
of
Analyses
Check here if you qualify as a small business per the instructions to Form 2C and, therefore, do not need to submit quantitative data for any of the organic toxic pollutants in Sections
2 through 5 of this table. Note, however, that you must still indicate in the appropriate column of this table if you believe any of the pollutants listed are present in your discharge.
Section 1. Toxic Metals, Cyanide, and Total Phenols
1.1
Antimony, total
(7440-36-0)
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.2
Arsenic, total
(7440-38-2)
❑
❑
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.3
Beryllium, total
(7440-41-7)
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.4
Cadmium, total
(7440-43-9)
�
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.5
Chromium, total
(7440-47-3)
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.6
Copper, total
(7440-50-8)
Concentration
mg/I
0.022
1
i
Mass
lb/d
0.00335
1.7
Lead, total
(7439-92-1)
❑
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
1.8
Mercury, total
(7439-97-6)
Concentration
mg/I
<0.0001
1
Mass
lb/d
<0.0000152
1.9
Nickel, total
(7440-02-0)
Concentration
mg/I
<0.01
1
Mass
Ib/d
<0.00152
1.10
Selenium, total
(7782-49-2)
❑
❑
Concentration
mg/I
0.012
1
Mass
lb/d
0.01824
1.11
Silver, total
(7440-22-4)
❑
❑
Concentration
mg/I
<0.01
1
Mass
lb/d
<0.00152
EPA Form 3510-2C (Revised 3-19)
Page 11

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
1.12
Thallium, total
7440-28-0
( )
Concentration
mg/I
<0.01
st
Mass
lb/d
<0.00152
1.13
Zinc, total
(7440-66-6)
❑
❑
Concentration
mg/I
0.051
✓
Mass
lb/d
0.00776
1.14
Cyanide, total
(57-12-5)
Concentration
mg/I
<0.005
✓
Mass
lb/d
<0.00076
1.15
Phenols, total
Concentration
mg/I
<0.05
1
✓
Mass
lb/d
<0.0076
Section 2. Organic Toxic Pollutants (GC/MS Fraction
—Volatile Compounds)
2.1
Acrolein
107-02-8
( )
Concentration
ug/I
<10
1
✓
Mass
lb/d
<0.00152
1
2'2
Acrylonitrile
(107-13-1)
Concentration
ug/I
<5
1
.1Mass
Ib/d
<0.00076
1
2'3
Benzene
(71-43-2)
❑
❑
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
2'4
Bromoform
(75-25-2)
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
2'5
Carbon tetrachloride
(56-23-5)
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
2'6
Chlorobenzene
(108-90-7)
❑
❑
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
2'7
Chlorodibromomethane
(124-48-1)
❑
❑
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
2.8
Chloroethane
(75-00-3)
❑
❑
Concentration
ug/I
<0.5
1
✓
Mass
lb/d
<0.000076
1
EPA Form 3510-2C (Revised 3-19)
Page 12

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
2'9
2-chloroethylvinyl ether
110-75-8
( )
Concentration
ug/I
Mass
Ib/d
2.10
Chloroform (67-66-3)
Concentration
ug/I
<0.5
1
✓
Mass
Ib/d
<0.000076
1
2.11
Dichlorobromomethane
(75-27-4)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2.12
1,1-dichloroethane
(75-34-3)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2' 13
12-dichloroethane
(1)
07-06-2
Concentration
ug/I
<0.5
Mass
Ib/d
<0.000076
1
2.14
11-dichloroethylene
(75-35-4)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2.15
1,2-dichloropropane
(78-87-5)
�
�
Concentration
ug/I
<0.5
Mass
Ib/d
<0.000076
1
2. 16
1,3-dichloropropylene
(542-75-6)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2.17
Ethylbenzene
(100-41-4)
�
�
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2 18
Methyl bromide
(74-83-9)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2 19
Methyl chloride
(74-87-3)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
2 20
Methylene chloride
(75-09-2)
Concentration
ug/I
<0.5
st
Mass
Ib/d
<0.000076
1
2.21
1 1,2 2- tetrachloroethane
(79-34-5)
Concentration
ug/I
<0.5
✓
Mass
Ib/d
<0.000076
1
EPA Form 3510-2C (Revised 3-19)
Page 13

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Presence or Absence
(check one)
Effluent
Intake
(optional)
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Believed
Present
Believed
Absent
Units
(specify)
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
Tetrachloroethylene
✓
Concentration
ug/I
<0.5
1
2 22
(127-18-4)
Mass
Ib/d
<0.000076
1
Toluene
✓
❑
❑
Concentration
ug/I
<0.5
1
2.23
(108-88-3)
Mass
Ib/d
<0.000076
1
1,2-trans-dichloroethylene
✓
Concentration
ug/I
<0.5
1
2.24
(156-60-5)
Mass
Ib/d
<0.000076
1
1,1,1-trichloroethane
✓
Concentration
ug/I
<0.5
1
2 25
•
(71-55-6)
Mass
Ib/d
<0.000076
1
1,1,2-trichloroethane
Concentration
ug/I
<0.5
1
2 26
•
(79-00-5)
Mass
Ib/d
<0.000076
1
Trichloroethylene
Concentration
ug/I
<0.5
1
2 27
(79-01-6)
st
Mass
Ib/d
<0.000076
1
Vinyl chloride
✓
Concentration
ug/I
<0.5
1
2 28
(75-01-4)
Mass
Ib/d
<0.000076
1
Section 3. Organic Toxic Pollutants (GC/MS
Fraction
-Acid Compounds)
3.1
2-chlorophenol
(95 57 8)
✓
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
3.2
2 4-dichlorophenol
(120-83-2)
✓
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
3.3
2 4-dimethylphenol
(105-67-9)
✓
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
. 34
4 6-dinitro-o-cresol
534-52-1
( )
Concentration
ug/I
<25.5
1
Mass
Ib/d
<0.00389
1
3.5
2 4-dinitrophenol
(51-28-5)
✓
Concentration
ug/I
<25.5
1
Mass
Ib/d
<0.00389
1
EPA Form 3510-2C (Revised 3-19)
Page 14

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS, AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
scharge
(Deq fired)
r(
Maximum
Monthly
Discharge
if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
verag
AValuee
Number
of
Analyses
3.6
2-nitrophenol
(88 75 5)
Concentration
ug/I
<25.5
1
Mass
Ib/d
<0.00389
1
3.7
4-nitrophenol
(100-02-7)
Concentration
ug/I
<25.5
1
Mass
Ib/d
<0.00389
1
3.8
p-chloro-m-cresol
(59-50-7)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
3.9
Pentachlorophenol
(87-86-5)
Concentration
ug/I
<25.5
1
Mass
Ib/d
<0.00389
<0.00389
1
3.10
Phenol
(108-95-2)
�
�
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
3.11
2 4,6-trichlorophenol
(88-05-2)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
Section 4. Organic Toxic Pollutants (GC/MS Fraction
-Base /Neutral
Compounds)
4.1
Acenaphthene
(83 32 9)
�
�
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4•2
Acenaphthylene
(208-96-8)
❑
❑
Concentration
ug/I
<5.10
1
�
Mass
Ib/d
<0.00776
1
4.3
Anthracene
(120-12-7)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.4
Benzidine
(92-87-5)
Concentration
ug/I
<10.2
1
Mass
Ib/d
<0.01552
1
4.5
Benzo (a) anthracene
(56-55-3)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.6
Benzo (a) pyrene
Concentration
ug/I
<5.10
1
./(50-32-8)
Mass
Ib/d
<0.00776
1
EPA Form 3510-2C (Revised 3-19)
Page 15

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Dscharge
eq fi
(required)
Maximum
Monthly
Discharge
(red) if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
AverageValue
Number
of
Analyses
4.7
3 4-benzofluoranthene
(205 99 2)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4•8
Benzo (ghi) perylene
(191-24-2)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.9
Benzo (k) fluoranthene
(207-08-9)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.10
Bis (2-chloroethoxy) methane
(111-91-1)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.11
Bis (2-chloroethyl) ether
(111-44-4)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.12
Bis (2-chloroisopropyl) ether
(102-80-1)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.13
Bis (2-ethylhexyl) phthalate
117-81-7
( )
Concentration
ug/I
<5.10
1
Mass
lb/d
<0.00776
1
4.14
4-bromophenyl phenyl ether
(101-55-3)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.15
Butyl benzyl phthalate
(85-68-7)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.16
2-chloronaphthalene
(91-58-7)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
4.17
4-chlorophenyl phenyl ether
7005-72-3
( )
Concentration
ug/I
<5.10
1
Mass
lb/d
<0.00776
1
4.18
Chrysene
218-01-9
( )
Concentration
ug/I
<5.10
1
Mass
lb/d
<0.00776
1
4.19
Dibenzo (a,h) anthracene
(53-70-3)
Concentration
ug/I
<5.10
1
✓
Mass
lb/d
<0.00776
1
EPA Form 3510-2C (Revised 3-19)
Page 16

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
4.20
12-dichlorobenzene
(95-50-1)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.21
1,3-dichlorobenzene
(541-73-1)
❑
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.22
1,4-dichlorobenzene
(106-46-7)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.23
3 3-dichlorobenzidine
(91-94-1)
Concentration
ug/I
<10.2
1
✓
Mass
Ib/d
<0.01552
1
4.24
Diethyl phthalate
(84-66-2)
Concentration
ug/I
<5.1
1
✓
Mass
Ib/d
<0.00776
1
4.25
Dimethyl phthalate
(131-11-3)
Concentration
ug/I
6.94
1
✓
Mass
Ib/d
0.001056
1
4.26
Di-n-butyl phthalate
(84 74 2)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.27
2,4-dinitrotoluene
(121-14-2)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.28
2,6-dinitrotoluene
(606-20-2)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4 29
Di-n-octyl phthalate
(117-84-0)
❑
❑
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.30
1,2-Diphenylhydrazine
(as azobenzene) (122-66-7)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.31
Fluoranthene
206-44-0
( )
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.32
Fluorene
(86-73-7)
❑
❑
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
EPA Form 3510-2C (Revised 3-19)
Page 17

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
4.33
Hexachlorobenzene
118-74-1
( )
Concentration
ug/I
<5.1
1
Mass
Ib/d
<0.00776
1
4.34
Hexachlorobutadiene
(87-68-3)
Concentration
ug/I
<5.1
1
✓
Mass
Ib/d
<0.00776
1
4.35
Hexachlorocyclopentadiene
(77-47-4)
❑
Concentration
ug/I
<25.5
1
✓
Mass
Ib/d
<0.00389
1
4.36
Hexachloroethane
(67-72-1)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.37
Indeno (1,2,3-cd) pyrene
193-39-5
( )
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.38
Isophorone
(78-59-1)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.39
Naphthalene
(91-20-3)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.40
Nitrobenzene
(98-95-3)
❑
❑
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.41
N-nitrosodimethylamine
(62-75-9)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.42
N-nitrosodi-n-propylamine
(621-64-7)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.43
N-nitrosodiphenylamine
(86-30-6)
❑
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
4.44
Phenanthrene
(85-01-8)
Concentration
ug/I
<5.10
1
Mass
Ib/d
<0.00776
1
4.45
Pyrene
(129-00-0)
Concentration
ug/I
<5.10
1
✓
Mass
Ib/d
<0.00776
1
EPA Form 3510-2C (Revised 3-19)
Page 18

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
0utfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE, TOTAL PHENOLS,
AND ORGANIC TOXIC POLLUTANTS (40 CFR
122.21(g)(7)(v))1
Pollutant/Parameter
(and CAS Number, if available)
Testing
Required
Presence or Absence
(check one)
Units
(specify)
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
4'46
1 2 4-trichlorobenzene
(120'-82-1)
❑
❑
Concentration
ug/I
<5.10
1
1
✓
Mass
Ib/d
<0.00776
1
Section 5. Organic Toxic Pollutants (GC/MS Fraction
—Pesticides)
5.1
Aldrin
(309-00-2)
❑
❑
Concentration
Mass
5.2
a-BHC
(319-84-6)
❑
❑
Concentration
✓
Mass
5.3
p-BHC
(319-85-7)
❑
❑
Concentration
✓
Mass
5.4
y-BHC
(58-89-9)
❑
❑
Concentration
✓
Mass
5'5
6-BHC
(319-86-8)
Concentration
st
Mass
5'6
Chlordane
(57-74-9)
Concentration
Mass
5'7
4 4'-DDT
(50-29-3)
Concentration
Mass
5.8
4 4'-DDE
(72-55-9)
❑
❑
Concentration
✓
Mass
5.9
4,4'-DDD
(72-54-8)
❑
❑
Concentration
✓
Mass
5.10
Dieldrin
(60-57-1)
❑
❑
srConcentration
Mass
5.11
a-endosulfan
(115-29-7)
❑
❑
Concentration
✓
Mass
EPA Form 3510-2C (Revised 3-19)
Page 19

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE
B. TOXIC METALS, CYANIDE,
Pollutant/Parameter
(and CAS Number, if available)
TOTAL PHENOLS,
Testing
Required
AND ORGANIC TOXIC
Presence or Absence
(check one)
POLLUTANTS (40 CFR
Units
(specify)
122.21(g)(7)(v))1
Effluent
Intake
(optional)
Believed
Present
Believed
Absent
Maximum
Daily
Duiredscarge
(eq)
Maximum
Monthly
f available)
( )
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
AverageValue
Number
of
Analyses
5.12
R-endosuIfan
(115-29-7)
Concentration
Mass
5.13
Endosulfan sulfate
(1031-07-8)
❑
❑
Concentration
✓
Mass
5.14
Endrin
(72 20 8)
❑
❑
Concentration
✓
Mass
5.15
Endrin aldehyde
(7421-93-4)
❑
❑
Concentration
✓
Mass
5.16
Heptachlor
(76-44-8)
❑
❑
Concentration
Mass
5.17
Heptachlor epoxide
(1024-57-3)
❑
❑
Concentration
✓
Mass
5.18
PCB-1242
(53469-21-9)
❑
❑
Concentration
✓
Mass
5.19
PCB-1254
(11097-69-1)
❑
❑
Concentration
✓
Mass
5.20
PCB-1221
(11104-28-2)
❑
❑
Concentration
✓
Mass
5.21
PCB-1232
(11141-16-5)
❑
❑
Concentration
✓
Mass
5.22
PCB-1248
(12672-29-6)
❑
❑
Concentration
✓
Mass
5.23
PCB-1260
(11096-82-5)
❑
❑
Concentration
✓
Mass
5.24
PCB-1016
(12674-11-2)
❑
❑
Concentration
✓
Mass
EPA Form 3510-2C (Revised 3-19)
Page 20

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE B. TOXIC METALS, CYANIDE,
Pollutant/Parameter
(and CAS Number, if available)
TOTAL PHENOLS,
Testing
Required
AND ORGANIC TOXIC
Presence or Absence
(check one)
POLLUTANTS (40 CFR
Units
(specify)
122.21(g)(7)(v))1
Effluent
Intake
(opt onal)
Believed
Present
Believed
Absent
Maximum
Daily
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average
Daily
Discharge
(if available)
Number
of
Analyses
Long-
Term
Average
Value
Number
of
Analyses
Toxaphene
5.25 (8001-35-2)
Concentration
st
Mass
1 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 Form 3510-2C (Revised 3-19)
Page 21

This page intentionally left blank.

EPA Identification Number
NCR000151795
TABLE C. CERTAIN CONVENTIONAL
NPDES Permit Number
AND NON CONVENTIONAL POLLUTANTS
Wilbara
Facility Name
Sulfuric Acid Plant
(40 CFR 122.21(g)(7)(vi))1
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
Presence or Absence
(check one)
Effluent
Intake
(Optional)
Pollutant
Believed
Present
Believed
Absent
Units
(specify)
Maximum DailyLon
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average Daily
Discharge
(if available)
Number of
Analyses
-Term
Average
Value
Number of
Analyses
❑ Check here if you believe all pollutants on Table C to be present in your discharge from the noted outfall. You need not complete the "Presence or Absence" column of Table C for
each pollutant.
❑ Check here if you believe all pollutants on Table C to be absent in your discharge from the noted outfall. You need not complete the "Presence or Absence" column of Table C for
each pollutant.
1
Bromide
(24959-67-9)
❑
sr
Concentration
Mass
2.
Chlorine, total
residual
Concentration
Mass
3.
Color
❑
✓
Concentration
Mass
4.
Fecal coliform
❑
✓
Concentration
Mass
5
Fluoride
(16984-48-8)
❑
Concentration
Mass
6
Nitrate -nitrite
❑
✓
Concentration
mg/I
Mass
Ib/d
7'
Nitrogen, total
organic (as N)
❑
✓
Concentration
mg/I
Mass
Ib/d
8.
Oil and grease
❑
✓
Concentration
mg/I
Mass
Ib/d
9'
Phosphorus (as
P ,total 7723-14-0
( )
st
Concentration
mg/I
Mass
Ib/d
10.
Sulfate (as SO4)
(14808-79-8)
✓
❑
Concentration
mg/I
<309
Mass
Ib/d
<0.0044
11.
Sulfide (as S)
✓
❑
Concentration
mg/I
<0.2
Mass
Ib/d
<0.0000238
EPA Form 3510-2C (Revised 3-19)
Page 23

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE
C. CERTAIN CONVENTIONAL
Pollutant
AND NON CONVENTIONAL
Presence or Absence
(check one)
POLLUTANTS
Units
(specify)
(40 CFR 122.21(g)(7)(vi))1
Effluent
Intake
(Optional)
Believed
Present
Believed
Absent
Maximum DailyLon
Discharge
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average Daily
Discharge
(if available)
Number of
Analyses
-Term
Average
Value
Number of
Analyses
12
Sulfite (as S03)
(14265-45-3)
❑
Concentration
mg/I
<2.0
✓
Mass
Ib/d
<0.000238
13.
Surfactants
❑
Concentration
mg/I
✓
Mass
14.
Aluminum, total
(7429-90-5)
❑
Concentration
mg/I
✓
Mass
Ib/d
15.
Barium, total
(7440-39-3)
❑
Concentration
mg/I
✓
Mass
Ib/d
16.
Boron, total
(7440-42-8)
❑
Concentration
mg/I
Mass
Ib/d
17
Cobalt, total
(7440-48-4)
❑
Concentration
mg/I
✓
Mass
Ib/d
18
Iron, total
(7439-89-6)
❑
Concentration
mg/I
Mass
Ib/d
19
Magnesium, total
(7439-95-4)
Concentration
mg/I
✓
Mass
Ib/d
20.
Molybdenum,
total
(7439-98-7)
❑
Concentration
mg/I
✓
Mass
Ib/d
21
Manganese, total
(7439-96-5)
Concentration
mg/I
✓
Mass
Ib/d
22
Tin, total
(7440-31-5)
Concentration
mg/I
✓
Mass
Ib/d
23
Titanium, total
(7440-32-6)
❑
Concentration
mg/I
✓
Mass
Ib/d
EPA Form 3510-2C (Revised 3-19)
Page 24

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
Outfall Number
Form Approved 03/05/19
OMB No. 2040-0004
TABLE
C. CERTAIN CONVENTIONAL
Pollutant
AND NON CONVENTIONAL
Presence or Absence
(check one)
POLLUTANTS
Units
(specify)
(40 CFR 122.21(g)(7)(vi))1
Effluent
Intake
(Optional)
Believed
Present
Believed
Absent
Maximum Dail
Discharge y
(required)
Maximum
Monthly
Discharge
(if available)
Long -Term
Average Daily
Discharge
(if available)
Number of
Analyses
Long -Term
Average
Value
Number of
Analyses
24.
Radioactivity
Alpha, total
❑
Concentration
✓
Mass
Beta, total
❑
Concentration
Mass
Radium, total
❑
Concentration
✓
Mass
Radium 226, total
❑
Concentration
✓
Mass
1 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 Form 3510-2C (Revised 3-19)
Page 25

This page intentionally left blank.

N C
TABLE
EPA Identification Number
R000151795
D. CERTAIN HAZARDOUS
Pollutant
NPDES
SUBSTANCES
Permit Number
AND ASBESTOS (40
Presence or Absence
(check one)
Wilbara Sulfuric
CFR 122.21(g)(7)(vii))1
Facility Name
Acid Plant
Reason Pollutant
Outfall Number
Believed Present in Discharge
Form Approved 03/05/19
OMB No. 2040-0004
Available Quantitative Data
(specify units)
Believed
Present
Believed
Absent
1.
Asbestos
❑
✓
2.
Acetaldehyde
❑
✓
3.
Ally' alcohol
❑
✓
4.
Ally' chloride
❑
✓
5.
Amyl acetate
❑
✓
6.
Aniline
❑
✓
7.
Benzonitrile
❑
✓
8.
Benzyl chloride
❑
✓
9.
Butyl acetate
❑
✓
10.
Butylamine
❑
✓
11.
Captan
❑
✓
12.
Carbaryl
❑
✓
13.
Carbofuran
❑
✓
14.
Carbon disulfide
❑
✓
15.
Chlorpyrifos
❑
✓
16.
Coumaphos
❑
✓
17.
Cresol
❑
✓
18.
Crotonaldehyde
❑
✓
19.
Cyclohexane
❑
✓
EPA Form 3510-2C (Revised 3-19)
Page 27

TABLE
EPA Identification Number
NCR000151795
D. CERTAIN HAZARDOUS
Pollutant
NPDES
SUBSTANCES
Permit Number
AND ASBESTOS (40
Presence or Absence
(check one)
Wilbara
CFR 122.21(g)(7)(vii))r
Facility Name
Sulfuric Acid Plant
Reason Pollutant
Outfall Number
Believed Present in Discharge
Form Approved 03/05/19
OMB No. 2040-0004
Available Quantitative Data
(specify units)
Believed
Present
Believed
Absent
20.
2,4-D (2,4-dichlorophenoxyacetic acid)
❑
✓
21.
Diazinon
❑
✓
22.
Dicamba
❑
✓
23.
Dichlobenil
❑
✓
24.
Dichlone
❑
✓
25.
2,2-dichloropropionic acid
❑
✓
26.
Dichlorvos
❑
✓
27.
Diethyl amine
❑
✓
28.
Dimethyl amine
❑
✓
29.
Dintrobenzene
❑
✓
30.
Diquat
❑
✓
31.
Disulfoton
❑
✓
32.
Diuron
❑
✓
33.
Epichlorohydrin
❑
✓
34.
Ethion
❑
✓
35.
Ethylene diamine
❑
✓
36.
Ethylene dibromide
❑
✓
37.
Formaldehyde
❑
✓
38.
Furfural
❑
✓
EPA Form 3510-2C (Revised 3-19)
Page 28

TABLE
EPA Identification Number
NCR000151795
D. CERTAIN HAZARDOUS
Pollutant
NPDES
SUBSTANCES
Permit Number
AND ASBESTOS (40
Presence or Absence
(check one)
Wilbara
CFR 122.21(g)(7)(vii))1
Facility Name
Sulfuric Acid Plant
Reason Pollutant
Outfall Number
Believed Present in Discharge
Form Approved 03/05/19
OMB No. 2040-0004
Available Quantitative Data
(specify units)
Believed
Present
Believed
Absent
39.
Guthion
❑
✓
40.
Isoprene
❑
✓
41.
Isopropanolamine
❑
✓
42.
Kelthane
❑
✓
43.
Kepone
❑
✓
44.
Malathion
❑
✓
45.
Mercaptodimethur
❑
✓
46.
Methoxychlor
❑
✓
47.
Methyl mercaptan
❑
✓
48.
Methyl methacrylate
❑
✓
49.
Methyl parathion
❑
✓
50.
Mevinphos
❑
✓
51.
Mexacarbate
❑
✓
52.
Monoethyl amine
❑
✓
53.
Monomethyl amine
❑
✓
54.
Naled
❑
✓
55.
Naphthenic acid
❑
✓
56.
Nitrotoluene
❑
✓
57.
Parathion
❑
✓
EPA Form 3510-2C (Revised 3-19)
Page 29

TABLE
EPA Identification Number
NCR000151795
D. CERTAIN HAZARDOUS
Pollutant
NPDES
SUBSTANCES
Permit Number
AND ASBESTOS (40
Presence or Absence
(check one)
Wilbara
CFR 122.21(g)(7)(vii))1
Facility Name
Sulfuric Acid Plant
Reason Pollutant
Outfall Number
Believed Present in Discharge
Form Approved 03/05/19
OMB No. 2040-0004
Available Quantitative Data
(specify units)
Believed
Present
Believed
Absent
58.
Phenolsulfonate
❑
✓
59.
Phosgene
❑
✓
60.
Propargite
❑
✓
61.
Propylene oxide
❑
✓
62.
Pyrethrins
❑
✓
63.
Quinoline
❑
✓
64.
Resorcinol
❑
✓
65.
Strontium
❑
✓
66.
Strychnine
❑
✓
67.
Styrene
❑
✓
68.
2,4 5-T (2,4,5-trichlorophenoxyacetic
acid)
69.
TDE (tetrachlorodiphenyl ethane)
❑
✓
70
2,4,5-TP [2-(2,4,5-trichlorophenoxy)
propanoic acid]
❑
✓
71.
Trichlorofon
❑
✓
72.
Triethanolamine
❑
✓
73.
Triethylamine
❑
✓
74.
Trimethylamine
❑
✓
75.
Uranium
❑
✓
76.
Vanadium
❑
✓
EPA Form 3510-2C (Revised 3-19)
Page 30

TABLE
EPA Identification Number
NCR000151795
D. CERTAIN HAZARDOUS
Pollutant
NPDES
SUBSTANCES
Permit Number
AND ASBESTOS (40
Presence or Absence
(check one)
Wilbara
CFR 122.21(g)(7)(vii))1
Facility Name
Sulfuric Acid Plant
Reason Pollutant
Outfall Number
Believed Present in Discharge
Form Approved 03/05/19
OMB No. 2040-0004
Available Quantitative Data
(specify units)
Believed
Present
Believed
Absent
77.
Vinyl acetate
❑
✓
78.
Xylene
❑
✓
79.
Xylenol
❑
✓
80.
Zirconium
❑
✓
1 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 Form 3510-2C (Revised 3-19)
Page 31

This page intentionally left blank.

EPA Identification Number
NCR000151795
NPDES Permit Number
Facility Name
Wilbara Sulfuric Acid Plant
TABLE E. 2,3,7,8 TETRACHLORODIBENZO P DIOXIN (2,3,7,8 TCDD) (40 CFR 122.21(g)(7)(viii))
Pollutant
TCDD
Congeners
Used or
Manufactured
Presence or
Absence
(check one)
Believed Believed
Present Absent
Outfall Number
Results of Screening Procedure
Form Approved 03/05/19
OMB No. 2040-0004
2,3,7,8-TCDD
El
Click to go back to the beginning of Form
EPA Form 3510-2C (Revised 3-19)
Page 33

APPENDIX B

lrerracon
Memorandum
TO: TERRACON PROJECT FILE 71197840 AND ATTACHMENT FOR
NPDES PERMIT APPLICATION
FROM: Neal McElveen; McKhenzy Welch
DATE: March 31, 2020
RE: Engineering Alternatives Analysis — Wilbara LLC NPDES Permit, 4620 Hwy 421 N,
Wilmington, North Carolina
Terracon was retained by Wilbara, LLC, who is owned by Southern States Chemical, to prepare
an Engineering Alternatives Analysis (EAA) for the Wilbara, LLC site located at 4620 Hwy 421 N
in Wilmington, North Carolina. The Wilbara facility consists of approximately 15 acres within the
Invista property bordered to the west by the Invista facility, to the north south and east by
undeveloped land with the Northeast Cape Fear River beyond and to the northeast. Exhibit 1
and 2 show the Wilbara facility and plant layout.
Preparation of this EAA has been complete in conjunction with a NPDES
application for the addition of proposed wash waters from facility tank cleaning and
maintenance activities. The facility presently operates under NPDES General Permit
NCG500000 for discharge of non -contact cooling water, boiler blowdown, and cooling tower
blowdown through Outfall 001. The proposed addition of the process waters (tank and
equipment cleaning, maintenance activities, and operational activities) requires the facility
obtain an individual NPDES Permit. This EAA is for a non —municipal application, process tank
wash downs, non -contact cooling water, boiler and cooling tower blowdown; therefore, the flow
projections are based on engineering design considerations rather than population projections.
A description of the proposed project follows. Projections for flow, evaluation of technical and
financial feasibility, and Local Government Review are provided in later sections.
STEP 1. Background and Project Description
Terracon has reviewed the potential restrictions identified in the EAA guidance document and
do not believe that the identified restrictions will pose an impediment to an NPDES discharge
from this location. The discharge is to an unnamed canal to the Northeast Cape Fear River and
the treated discharge will be well— aerated and is expected to contain significant concentrations
of oxygen —consuming waste. A description of the treatment process and contact information
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

lrerracon
Memorandum
are summarized below.
A. Contact Information
Contact information for the applicant ,facility, and EAA preparer(Terracon) are as follows. The
facility is currently owned and occupied by Wilbara LLC who is owned by Southern States
Chemical. The Wilbara facility is a sulfuric acid manufacturing plant.
Applicant
Wilbara, LLC/Southern States Chemical
Attn: Steven Suek
4620 Hwy 421 N
Wilmington, North Carolina 28401
Phone: [phone]
Fax: [phone]
email: [e-mail]
Facility
Wilbara, LLC
4620 Hwy 421 N
Wilmington, New Hanover County, North Carolina 28401
Phone: [phone]
Fax: [phone]
email: [e-mail]
EAA Preparer
Terracon Consultants, Inc.
Attn: M. Neal McELveen, P.E.
2701 Westport Road
Charlotte, NC 28208
Phone:[phone]
Fax:[phone]
Email:[e-mail]
B. Description of Proposed Project
The Wilbara facility presently utilizes a metal basin to collect non -contact cooling tower water,
boiler blowdown and cooling tower blow down. The dimensions of the basin and volume of the
basin are as follows:
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

lierracon
Memorandum
Dimensions: 30' X 40' X 4'
Surface Area: 1200 sq. feet
Volume: 4,800 cubic feet
Capacity —Water: 35,904 gallons
Description:
Non -Contact cooling tower water along with boiler and cooler tower blowdowns are presently
collected in the basin. Wilbara proposes to add process wash water associated with tank and
equipment cleaning, maintenance activities, and operational activities to this discharge stream.
The anticipated volume to be added, 3,700 gallons per year or approximately 14.25 gallons per
day (GPD -assumes 260 days per year), is minimal compared to the volume generated from
the non -contact cooling water and blowdown waters — 18,225 GPD (average). Discharge of the
tank/equipment/maintenance cleaning waters will be intermittent with some additions occurring
once every 2.5 (cleaning towers) and 6 years (tank cleanings).
The wastewater is continuously recirculated through a sprayer inside the basin to cool down the
wastewater. The wastewater is continuously sampled for pH content and adjusted accordingly
with sodium hydroxide and/or sulfuric acid to keep the wastewater pH levels between 6.00 and
9.00. Float switches determine the timing of wastewater release to activate the release pump for
discharge to Outfall 001. Information on the automatic pH controller is attached for your
reference. Typical chemicals used in the water for treatment include biocides, corrosion
inhibitors and sodium hydroxide (pH adjustment). Discharge occurs seven days per week and
the discharge is automated based on the level accumulated in the basin.
C. Summary of Process Information and Flow Estimates
As described above, the facility is presently permitted to discharge non -contact cooling water
along with boiler and cooling tower blowdown and discharges an average of 18,225 GPD.
These waters are collected in a steel basin where it is recirculated through a surface spray to
cool the water. The basin also has an automated pH controller for continuous pH sampling and
adjustments. The facility cleans and washes out sulfuric acid tanks ever 6 years and also cleans
equipment. The estimated volume to be added to the average discharge of 18,225 gallons per
day is approximately 14.25 GPD as discussed above. Pumping rates for discharge to outfall 001
are 75 gallons per minute (GPM) based on the facilities documented discharge monitoring
events.
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

lierracon
Memorandum
D. Low Flow Data for Receiving Stream
Low flow information for the receiving water(s) was obtained from the US Geological Society
(USGS)and the NCDEQ in Raleigh, North Carolina. Correspondence from the agencies is
provided in Attachment A. Generally, the discharge from the basin will be outfall 001 through
underground piping. From the point of discharge, underground piping runs northeast and
discharges to an unnamed canal that flows directly to the Northeast Cape Fear River.
As summarized in the USGS correspondence (copies of the correspondence are including in
the attachments), the USGS South Atlantic Water Science Center (Raleigh office) currently
refrains from providing (or updating previously determined) low -flow estimates for streams
known or suspected of being tidally affected. There are currently no techniques that allow for
quantifying the effects of tides on low flows.
Concerns that tides may possibly reduce low -flow discharges (that is, relative to low -flow
estimates for the same stream not tidally -affected) lead us to speculate that any such estimates
for these streams may be too high. Given the "back-n-forth" flow dynamics associated with tidal
effects, attempting to determine low -flow characteristics based on the assumption of uni-
directional flow characteristics is not meaningful.
Frequency Discharge
7Q10 Not Provided
30Q2 Not Provided
W7Q10 Not Provided
7Q2 Not Provided
STEP 2. Reasonable Projections for Flow
As discussed in the EAA Guidance Document ,non —municipal flow projections are based on
engineering design considerations and/or production projections rather than population
projections. Based on information available from the facility's present discharge of non -contact
cooling water, cooling tower blowdown and boiler blowdown the basin presently has an average
discharge of 18,225 GPD or 0.018225 MGD. With the addition of the tank and equipment
cleaning wash waters (14.25 GPD), the volume will increase to 18,239 GPD or 0.018239 MGD.
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

lierracon
Memorandum
STEP3. Evaluate Technologically Feasible Alternatives
As discussed in the EAA Guidance Document, discharges from the basin (non -domestic waste
water) are required to evaluate whether wastewater treatment plant(WWTP) connection , land
application, wastewater reuse, discharge to surface waters, and combinations of the above.
A. Connection to an Existing WWTP
Review of available sewer connection to the local treatment works is not presently available at
the facility; therefore, use of an existing WWTP is not feasible.
B. Land Application
The facility is located at 4620 Hwy 421 N, Wilmington, North Carolina. This location is in a rural
industrial area. The facility is located within the INVISTA property and has a current State
Stormwater Management System (Permit No. SW8 090331) that utilizes an infiltration basin for
stormwater. The basin designed was based on the site specific stormwater drainage areas. The
addition of the non -contact cooling water, boiler and cooling tower blowdown , and tank/process
equipment cleaning waters would exceed the design parameters of the infiltration system.
Based on the design and land constraints and the available land, this application is not feasible
at this time.
C. Wastewater Reuse
The reuse of the wash/cleaning waters, cooling waters and boiler blowdown is not feasible for
the sulfuric acid process due to impurities. Therefore, wastewater reuse is not technically
feasible.
D. Direct Discharge to Surface Waters
Surface water discharge has been determined to be the only technically and economically
feasible alternative for disposal of tank and equipment wash waters that are proposed to be
combined with the non -contact cooling water, and boiler cooling tower blow downs. Generally,
the discharge from the metal basin will be Outfall 001 through underground piping. From the
point of discharge, underground piping runs northeast and discharges to an unnamed canal that
flows directly to the Northeast Cape Fear River. Refer to Exhibit 1 for the location of the facility
in relation to the Northeast Cape Fear River. Exhibit 2 shows the location of Outfall 001 and the
coordinates for the discharge point.
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

lierracon
Memorandum
STEP 4. Evaluate Technologically Feasible Alternatives
Surface water discharge has been determined to be the only technically feasible alternative for
disposal of tank and equipment wash/cleaning waters along with cooling tower waters and boiler
blowdown. The 20—year, present value cost analysis (PVCA) is, therefore, limited to
assessment of the costs for surface water discharge under a NPDES Individual Permit. The
costs are also limited to those elements specific to the discharge, e.g. operational requirements,
treatment costs, monitoring costs and maintenance. As only one alternative is considered to be
technically feasible, potential lost opportunity costs are considered to be zero. All costs are
outlined, with references, in the enclosed tables and summarized below.
Description Current Value 20—Yr. Present Value (2020,only)
(inflated only, Not discounted)
NPDES Discharge Construction Estimate $0 $0
Recurring Cost Estimate $5,660.00 $148,197.33
2020 Lost Opportunity Costs $0 $0
Total Costs $5,660.00 $148,197.33
ATTACHMENTS
Charlotte, NC
Environmental • Facilities • Geotechnical • Materials

EXHIBITS

Feet
0 1,000,000 4,000
Approximate Site Boundary
• Approximate Outfall Location
Source: 2011 National Geographic Society/ESRI, i-cubed
seamless USGS quadrangles (Castle Hayne, NC); Site
Boundary approximated by Terracon.
PM:
NM
Project No.
71197840
Drawn By:
KT
Scale:
1:51,363
Checked By:
MW
Filename:
Topo
lrerracon
Approved By:
Date:
February 2020
2701 Westport Rd Charlotte, NC 28208
Topographic Vicinity Map
EXHIBIT
NO.
Wilmington Plant NPDES Permitting
4620 Highway 421 North
Wilmington, New Hanover County,
North Carolina
1
NM
Phone: [phone] Fax: [phone]

0 750
1,500
Feet
3,000
•
Tidal Flow
Approximate Outfall 001 Location
Source: 2011 National Geographic Society/ESRI, i-cubed
seamless USGS quadrangles (Castle Hayne, NC); Site
Boundary approximated by Terracon.
PM:
NM
Project No.
71197840
Drawn By:
KT
Scale:
1:18,000
Checked By:
MW
Filename:
Site_Diagram
lrerracon
Approved By:
Date:
February 2020
2701 Westport Rd
Charlotte, NC 28208
Site Diagram
EXHIBIT
NO.
Wilmington Plant NPDES Permitting
4620 Highway 421 North
Wilmington, North Carolina
2
NM
Phone: [phone]
Fax: [phone]

Discharge to Outfall 001 4
(18,239 GPD)
PROCESS FLOW DIAGRAM
Tank and Equipment
Wash/Cleaning (14.25 GPD)
Collection Basin (35,904 gallons) - Level
Control, automated pH and discharge pump
(75 gpm)
Non -Contact Cooling
Water/Cooling Tower Blow
Down/Boiler Blowdown
(18,225 GPD)

TABLES

Table 3A
PRESENT VALUE ESTIMATING TABLE
Project: Claire Manufacturing Facility, 2100 North Church St, Charlotte, NC
Note: prior to entering 2010 cost est. into formulas In cells H7, F37 and F39, you will need to delete the space
prior to the -"sign.
Projected Costs Over 20-yearPeriod
2012 Annual Operation and Maintenance Cost Estimate enter 2012 cost estimate in column H formula)
$
36,568
Inflation Factor=
2.09%
Discount Rate =
0.75%
Year
n
Inflated Annual
Inflated and Discounted
Cost
Annual Cost
2012
1
$37,332
$37,054
2013
2
$38,113
$37,547
2014
3
$38,909
$38,047
2015
4
$39,722
$38,553
2016
5
$40,552
$39,065
2017
6
$41,400
$39,585
2018
7
$42,265
$40,111
2019
8
$43,149
$40,645
2020
9
$44,050
$41,186
2021
10
$44,971
$41,733
2022
11
$45,911
$42,288
2023
12
$46,871
$42,851
2024
13
$47,850
$43,421
2025
14
$48,850
$43,998
2026
15
$49,871
$44,583
2027
16
$50,913
$45,176
2028
17
$51,978
$45,777
2029
18
$53,064
$46,386
2030
19
$54,173
$47,003
2031
20
$55,305
$47,628
Totals
$915,250
$842,839
(Current Value -not
discounted)
(Present Value -discounted)
Basis for this years payments
Current Value
Present Value
2012 Capi al Cost Estimate (refer to accompanying table)
$14,720
$14,720
2012 Recurring Cost Estimate (from above)
$915,250
$842,639
2012 Lost Opportunity Cost Estimate (enter 2012 cost estimate In column F formula
$0
$0
TOTAL
$929,970
$857,359
Page 1

ATTACHM ENTS

McElveen, Neal
From: Welch, McKhenzy A
Sent: Thursday, February 20, 2020 10:50 AM
To: McElveen, Neal
Subject: FW: Tidally Influenced Waters
1
McKhenzy Welch, CPESC
Terracon Consultants, Inc
P 980-938-7436 I M 704-430-3174
From: Albertin, Klaus P <[e-mail]>
Sent: Friday, January 31, 2020 3:08 PM
To: Welch, McKhenzy A <[e-mail]>
Cc: Hill, David A <[e-mail]>
Subject: Tidally Influenced Waters
Mckhenzy,
I would contact David Hill regarding your request since USGS has determined that the location of interest is tidally
influenced. His information is below and I've copied him on this e-mail.
David Hill
Environmental Specialist II
NC DEQ / Division of Water Resources / Water Quality Permitting
NPDES Complex Permitting, Wastewater Branch
919 707-3612 office
919 707 9000 main office
[e-mail]
Physical Address: 512 North Salisbury St.,Raleigh, NC, 27604
Mailing Address: 1617 Mail Service Center, Raleigh, NC, 27699-1617
Klaus Albertin, CFM
Water Supply Planning Engineer
Division of Water Resources
North Carolina Department of Environmental Quality
919 707 9035 office
919 733 3558 fax
[e-mail]
512 N. Salisbury Street
1611 Mail Service Center
Raleigh, NC 27699
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
1

McElveen, Neal
From: Welch, McKhenzy A
Sent: Thursday, February 20, 2020 10:50 AM
To: McElveen, Neal
Subject: FW: USGS response concerning...Re: Low Flow Request - Cape Fear River
2
McKhenzy Welch, CPESC
Terracon Consultants, Inc
P 980-938-7436 I M 704-430-3174
From: Weaver, John C <[e-mail]>
Sent: Wednesday, January 29, 2020 10:57 AM
To: Welch, McKhenzy A <[e-mail]>
Cc: Albertin, Klaus P <[e-mail]>; Weaver, John C <[e-mail]>
Subject: Fw: USGS response concerning...Re: Low Flow Request - Cape Fear River
Mckhenzy,
Just a quick note to say that I received your voice mail left yesterday.
I should be back in the office tomorrow (Thursday) and Friday, so will attempt to contact you on Thursday. If
you have some specific questions you want to give me an advance, that would be helpful.
Thanks,
JCWeaver
J. Curtis Weaver, Hydrologist, PE Email: [e-mail]
USGS South Atlantic Water Science Center Online: https://www.usgs.gov/centers/sa-water
North Carolina - South Carolina - Georgia
3916 Sunset Ridge Road
Raleigh, NC 27607
Phone: [phone] // Fax: [phone]
From: Weaver, John C <[e-mail]>
Sent: Monday, January 13, 2020 11:04 AM
To: Welch, McKhenzy A <[e-mail]>
Cc: McElveen, Neal <[e-mail]>; Albertin, Klaus P <[e-mail]>; Grzyb, Julie
<[e-mail]>; Weaver, John C <[e-mail]>
Subject: USGS response concerning...Re: Low Flow Request - Cape Fear River
1

Mr. Welch,
In response to your inquiry about the low -flow characteristics for a location on the Cape Fear River or the
Northeast Cape Fear River in the vicinity of Wilmington in New Hanover County, the following information is
provided:
Visual inspection of the facility location using Google Earth places the point of interest east of Lake Sutton
between the Cape Fear River and Northeast Cape Fear River. Plotting the lat/long coordinates
(34°18'55.78"N, 77°58'26.76"W) provided via your January 10 email indicates a possible point of interest at
the headwaters of a small channel draining towards the Northeast Cape Fear River. Your email mentions
needing the low -flow statistics for the Cape Fear River.
Regardless of the location for the point of interest, both the Cape Fear River and Northeast Cape Fear River
are known to be tidally affected at near the facility location.
The USGS South Atlantic Water Science Center (Raleigh office) currently refrains from providing (or updating
previously determined) low -flow estimates for streams known or suspected of being tidally affected.
There are currently no techniques that allow for quantifying the effects of tides on low flows.
Concerns that tides may possibly reduce low -flow discharges (that is, relative to low -flow estimates for the
same stream not tidally -affected) lead us to speculate that any such estimates for these streams may be too
high. Given the "back-n-forth" flow dynamics associated with tidal effects, attempting to determine low -flow
characteristics based on the assumption of uni-directional flow characteristics is not meaningful.
You will need to contact the NCDEQ Division of Water Resources to obtain further guidance concerning any
efforts to obtain an NPDES permit for a location in a tidally -affected stream. Please note that I have cc:ed Mr.
Klaus Albertin with NCDEQ, who a primary State contact for low -flow requests sent to USGS. I will defer you
to him concerning a member of the staff within the water -quality unit at NCDEQ who can provide you this
further guidance.
I regret this response does not provide the flow statistics you were seeking, but hope this information is
helpful in some manner or at least provides some direction to you in your efforts on this matter.
Thank you.
Curtis Weaver
J. Curtis Weaver, Hydrologist, PE Email: [e-mail]
USGS South Atlantic Water Science Center Online: https://www.usgs.gov/centers/sa-water
North Carolina - South Carolina - Georgia
3916 Sunset Ridge Road
Raleigh, NC 27607
Phone: [phone] // Fax: [phone]
2

From: Welch, McKhenzy A <[e-mail]>
Sent: Friday, January 10, 2020 2:46 PM
To: Weaver, John C <[e-mail]>
Cc: McElveen, Neal <[e-mail]>
Subject: [EXTERNAL] Low Flow Request - Cape Fear River
Mr. Weaver
We are preparing an Engineering Alternatives Analysis (EAA) for a site located at 460 US highway 421 North in
Wilmington, NC. An aerial photo of the site is pending once we receive the location of the current outfalls of the facility
but I have attached a topographic map for site location. We are required to submit summer 7Q10 and 30Q2 low flow
data for the Cape Fear River for the submittal. The latitude and longitude for the property off Google Earth is:
34°18'55.78"N
77°58'26.76"W
When I receive the approximate discharge area I will provide the data. Please let me know the cost and delivery options
for this data. Free to call myself or Neal McElveen with any questions or comments for additional information. Hope all
is well.
McKhenzy Welch, CPESC
Terracon Consultants, Inc
P 980-938-7436 I M 704-430-3174
Terracon provides environmental, facilities, geotechnical, and materials consulting engineering services delivered with
responsiveness, resourcefulness, and reliability.
Private and confidential as detailed here (www.terracon.com/disclaimer). If you cannot access the hyperlink, please e-mail
sender.
3

lrerracon
March 31, 2020
Clerk of the City
102 N, 3rd Street
Wilmington, NC 28401
Re: Industrial Wastewater Discharge Permit Application — Local Government Review Form
Wilbara Sulfuric Acid Plant
4620 Highway 421 North
Wilmington, NC 28401
To Whom it Concerns::
On behalf of Wilbara, LLC/Southern States Chemical, Terracon Consultants, Inc. (Terracon) has
completed the enclosed Industrial NPDES Permit Application and supporting documentation for
the above -referenced facility.
As part of the permit application, the NCDEQ requires the City to complete the form following
this letter and return it to my attention via email. We appreciate you time and effort to complete
the form.
Should you have any questions please contact us at your earliest convenience at (704) 594 -
8912 or via email at [e-mail]
Sincerely,
Terracon Consultants, Inc.
1/4-71I 797 VA/L--
M. Neal McElveen, PE
Principal/Environmental Manager
Attachments:
Government Form
Exhibits: Exhibit 1: Topographic Map
Exhibit 2: Site Diagram
Appendix A: EPA Form 3510-1: General Information
EPA Form 3510-2C: Existing Manufacturing, Commercial, Mining, and Silviculture
Operations
Appendix B: EAA
Appendix C: Laboratory Analytical Reports
Terracon Consultants, Inc. 2701 Westport Road Charlotte, North Carolina 28208
P [704] 509 1777 F [704] 509 1888 terracon.com
Geotechnical ■ Environmental • Construction Materials ■ Facilities

Attachment A. Local Government Review Form
0
O General Statute Overview: North Carolina General Statute 143-215.1 (c)(6) allows input from local
governments in the issuance of NPDES Permits for non -municipal domestic wastewater treatment facilities.
Specifically, the Environmental Management Commission (EMC) may not act on an application for a new non -
municipal domestic wastewater discharge facility until it has received a written statement from each city and county
government having jurisdiction over any part of the lands on which the proposed facility and its appurtenances are to
be located. The written statement shall document whether the city or county has a zoning or subdivision ordinance in
effect and (if such an ordinance is in effect) whether the proposed facility is consistent with the ordinance. The EMC
shall not approve a permit application for any facility which a city or county has determined to be inconsistent with
zoning or subdivision ordinances unless the approval of such application is determined to have statewide significance
and is in the best interest of the State.
O Instructions to the Applicant: Prior to submitting an application for a NPDES Permit for a proposed facility,
the applicant shall request that both the nearby city and county government complete this form. The applicant must:
O Submit a copy of the permit application (with a written request for this form to be completed) to the clerk of
the city and the county by certified mail, return receipt requested.
O If either (or both) local government(s) fail(s) to mail the completed form, as evidenced by the postmark on the
certified mail card(s), within 15 days after receiving and signing for the certified mail, the applicant may submit
the application to the NPDES Unit.
O As evidence to the Commission that the local government(s) failed to respond within 15 days, the applicant
shall submit a copy of the certified mail card along with a notarized letter stating that the local government(s)
failed to respond within the 15-day period.
O Instructions to the Local Government: The nearby city and/or county government which may have or has
jurisdiction over any part of the land on which the proposed facility or its appurtenances are to be located is required
to complete and return this form to the applicant within 15 days of receipt. The form must be signed and notarized.
Name of local government WILMINGTON
(City/County)
Does the city/county have jurisdiction over any part of the land on which the proposed facility and its appurtenances are
to be located? Yes [ ] No [ ] If no, please sign this form, have it notarized, and return it to the applicant.
Does the city/county have in effect a zoning or subdivision ordinance? Yes [ ] No [ ]
If there is a zoning or subdivision ordinance in effect, is the plan for the proposed facility consistent with the ordinance?
Yes[ ]
No[ ]
Date Signature
(City Manager/County Manager)
State of , County of
On this day of , personally appeared before me, the said
name to me known and known to me to be the person
described in and who executed the foregoing document and he (or she) acknowledged that he (or she) executed the
same and being duly sworn by me, made oath that the statements in the foregoing document are true.
My Commission expires .(Signature of Notary Public)

lrerracon
March 31, 2020
Clerk of the County
230 Government Center Drive
Suite 175
Wilmington, NC 28403
Re: Industrial Wastewater Discharge Permit Application — Local Government Review Form
Wilbara Sulfuric Acid Plant
4620 Highway 421 North
Wilmington, NC 28401
To Whom it Concerns::
On behalf of Wilbara, LLC/Southern States Chemical, Terracon Consultants, Inc. (Terracon) has
completed the enclosed Industrial NPDES Permit Application and supporting documentation for
the above -referenced facility.
As part of the permit application, the NCDEQ requires the County to complete the form following
this letter and return it to my attention via email. We appreciate you time and effort to complete
the form.
Should you have any questions please contact us at your earliest convenience at (704) 594 -
8912 or via email at [e-mail]
Sincerely,
Terracon Consultants, Inc.
M. Neal McElveen, PE
Principal/Environmental Manager
Attachments:
Government Form
Exhibits: Exhibit 1: Topographic Map
Exhibit 2: Site Diagram
Appendix A: EPA Form 3510-1: General Information
EPA Form 3510-2C: Existing Manufacturing, Commercial, Mining, and Silviculture
Operations
Appendix B: EAA
Appendix C: Laboratory Analytical Reports
Terracon Consultants, Inc. 2701 Westport Road Charlotte, North Carolina 28208
P [704] 509 1777 F [704] 509 1888 terracon.com
GeotechnicaI ■ Environmental • Construction Materials ■ Facilities

Attachment A. Local Government Review Form
0
O General Statute Overview: North Carolina General Statute 143-215.1 (c)(6) allows input from local
governments in the issuance of NPDES Permits for non -municipal domestic wastewater treatment facilities.
Specifically, the Environmental Management Commission (EMC) may not act on an application for a new non -
municipal domestic wastewater discharge facility until it has received a written statement from each city and county
government having jurisdiction over any part of the lands on which the proposed facility and its appurtenances are to
be located. The written statement shall document whether the city or county has a zoning or subdivision ordinance in
effect and (if such an ordinance is in effect) whether the proposed facility is consistent with the ordinance. The EMC
shall not approve a permit application for any facility which a city or county has determined to be inconsistent with
zoning or subdivision ordinances unless the approval of such application is determined to have statewide significance
and is in the best interest of the State.
O Instructions to the Applicant: Prior to submitting an application for a NPDES Permit for a proposed facility,
the applicant shall request that both the nearby city and county government complete this form. The applicant must:
O Submit a copy of the permit application (with a written request for this form to be completed) to the clerk of
the city and the county by certified mail, return receipt requested.
O If either (or both) local government(s) fail(s) to mail the completed form, as evidenced by the postmark on the
certified mail card(s), within 15 days after receiving and signing for the certified mail, the applicant may submit
the application to the NPDES Unit.
O As evidence to the Commission that the local government(s) failed to respond within 15 days, the applicant
shall submit a copy of the certified mail card along with a notarized letter stating that the local government(s)
failed to respond within the 15-day period.
O Instructions to the Local Government: The nearby city and/or county government which may have or has
jurisdiction over any part of the land on which the proposed facility or its appurtenances are to be located is required
to complete and return this form to the applicant within 15 days of receipt. The form must be signed and notarized.
Name of local government NEW HANOVER
(City/County)
Does the city/county have jurisdiction over any part of the land on which the proposed facility and its appurtenances are
to be located? Yes [ ] No [ ] If no, please sign this form, have it notarized, and return it to the applicant.
Does the city/county have in effect a zoning or subdivision ordinance? Yes [ ] No [ ]
If there is a zoning or subdivision ordinance in effect, is the plan for the proposed facility consistent with the ordinance?
Yes[ ]
No[ ]
Date Signature
(City Manager/County Manager)
State of , County of
On this day of , personally appeared before me, the said
name to me known and known to me to be the person
described in and who executed the foregoing document and he (or she) acknowledged that he (or she) executed the
same and being duly sworn by me, made oath that the statements in the foregoing document are true.
My Commission expires .(Signature of Notary Public)

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noreply shipping
Thursday, April 2, 2020 8:16 PM
McElveen, Neal
Shipment Notification
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Shipment Notification
FedEx Web Services
Shipped To:
Clerk of the County
230 Government Center Drive
Suite 175
Wilmington NC 28403
US
AttentionTo: Kym Crowell
Tracking Number 391579485798
Click the link below to view the tracking information.
http://track. carri er-tracki nq. com/track. action?carri erType= Fed Ex&contentType=htm l &tracki ng N um ber=391579485798
FedEx Web Services
Shipped To:
Clerk of the County
230 Government Center Drive
Suite 175
Wilmington NC 28403
US
AttentionTo: Kym Crowell
Tracking Number 391579912487
Click the link below to view the tracking information.
http://track.carrier-trackinq.com/track.action?carrierType=Fed Ex&contentType=html&trackingNumber=391579912487
FedEx Web Services
Shipped To:
Clerk of the City
102 N. 3rd Street
Wilmington NC 28401
US
AttentionTo: City Clerk
Tracking Number 391580535311
Click the link below to view the tracking information.
http://track. carrier-tracki nq.com/track. action?carri erType= Fed Ex&contentType=htm l &tracki nq N um ber=391580535311
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APPENDIX C

tOne
Gail Penny
Southern States Chemical
4620 US Highway 421 N
Wilmington, NC 28401
Sample Matrix W
Date Sampled 03/04/2020
Delivered by Courier
Parameter
Beryllium
Calcium
Chromium
Nickel
Copper
Zinc
Arsenic
Selenium
Silver
Antimony
Thallium
Lead
Mercury
Element One Inc.
6319-D Carolina Beach Rd.
Wilmington, NC 28412
Phone: [phone]
Fax: [phone]
[e-mail]
FINAL REPORT OF ANALYSES
March 13, 2020
Client Project Name: TERRACON
Client Project Number
El Project Number e34438
Sample ID: Neutralized Acid
Sample Type
Time Sampled 1415
Sampler
E1 Sample # 34438
Date Received
Time Received
Received by
Result Unit Dilution DL Method
< 0.01 mg/L 10 0.001 EPA 200.8
9.17 mg/L 10 0.05 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
0.022 mg/L 10 0.001 EPA 200.8
0.051 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
0.012 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
< 0.01 mg/L 10 0.001 EPA 200.8
< 0.0001 mg/L 1 0.0001 EPA 245.1
03/04/2020
1535
LLB
Due to matrix interference, it was necessary to analyze sample for metals at a minimum 10x dilution.
Ken Smith, Laboratory Director
34438 Southern States Report Compiled by 'rib
NC Certifications: DW 37788 and DWQ DENR 604
Page 1 of 2
Date
03/12/2020
03/12/2020
03/12/2020
03/12/2020
03/12/2020
03/12/2020
03/12/2020
03/12/2020
03/11/2020
03/12/2020
03/12/2020
03/11/2020

tOne
Gail Penny - -
Southern States Chemical
4620 US Highway 421 N
Wilmington, NC 28401
Sample Matrix
Date Sampled
Delivered by
03/04/2020
Courier
Parameter
Cyanide
Total Organic Carbon
COD
BOD
Ammonia-N
Total Suspended Solids
Ken Smith, Laboratorybirector
Element One inc.
6319-D Carolina Beach Rd.
Wilmington, NC 28412
Phone: [phone]
Fax: [phone]
e1 [e-mail]
FINAL REPORT OF ANALYSES
March 13, 2020
Client Project Name: TERRACON
Client Project Number
El Project Number e34438
Sample ID: Neutralized Acid
Sample Type
Time Sampled 1415
Sampler
El Sample # 34438
Result Unit Dilution DL
< 0.005 mg/L 1 0.005
2.09 mg/L 1 1.0
< 10 mg/L 1 10
< 2 mg/L 2
< 0.20 mg/L 1 0.20
26.6 mg/L 1 2.5
Date Received
Time Received
Received by
03/04/2020
1535
LLB
Method
SM 4500CN C&E
SM 5310B
HACH 8000
SM 5210 B
SM 4500NH3 B&D
SM 2540 D
34438 Southern States Report Compiled by1
NC Certifications: DW 37788 and DWQ DENR 604
Page 2of2
Date
03/09/2020
03/12/2020
03/06/2020
03/04/2020
03/10/2020
03/05/2020

0
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gat
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N
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0 Preserved in Lab
0 Received on Ice
10H
x
£ONH
x
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x
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x
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Analyses Requested
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ssu eknasschemioal. com
* Rush work needs prior lab
approval. Additional
charges will apply.
0 Compliance
0 Non -Compliance
Remarks
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Contact: Gail Penny I PO#:
Company: Southern States Chemical
Address: 2600 Highway 421 North
Wilmington, NC 28401
Project ID: — n
auung information if different:
E
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Sample Location / ID#
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Received by: Date: Time: Additional instructions:
$oo N
Lab notes:: IU)fr•-14,W3 , �`D G 1 I I A) -
CN>I1 {Icier(dvvi
��* orn tic, I
My' r• u i�: ime: Rep9oived r Lab b�,� - a� �
5 Date: Time: pH a receipt: Tempaj receipt: Other:
Zb j 3 A� ti�, 3 4 CS\_ J L 'Pre in ne,Inc. � 117-Revisio 2.0
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Environ ental Chemists, Inc.
6602 VVindmill tVay, Wilmington, NC 28405 • 910.392.0223 Lab • 910,392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab Fax
255-2-±k Wilmington Highway, Jacksonville, NC 28540 • 910,347.5843 Lab/Fax
ANALYTICAL & CONSULTING CHEMISTS
[e-mail]
Element One
6319-D Carolina Beach Road
Wilmington NC 28412
Attention: Paula Smith
Date of Report: Mar 23. 2020
Customer PO #:
Customer ID: 08100049
Report #: 2020-03864
Project ID:
Lab ID
20-09382
Test
Sample ID:
Site: 34438
Method
Collect Date/Time Matrix
3/5/2020 10:30 AM Water
Results
Sampled by
Gail Penny
Inorganic Phenols
Comment:
Reviewed by:
EPA 420.1
<0 05 mg/L
Date Analyzed
03/19/2020
Report #:: 2020-03864
Page 1 of 1

Analytical Environmental Services, Inc
Date:
20-Mar-20
Client: Environmental Chemists, Inc. Client Sample ID: 20-09382
Project Name: Collection Date: 3/5/2020 10:30:00AM
Lab ID: 2003D37-008 Matrix: Aqueous
Analyses
Result
Reporting
Limit Qual Units
BatchlD Dilution Date Analyzed Analyst
Factor
Phenolics, Total Recoverable E420.1
Phenolics, Total Recoverable
BRL 0.05
(E420.1)
nigiL 294069
03/ i 9/2020 15:57 AT
Qualifiers:
• Value exceeds maximum contaminant level
BRL Below reporting !unit
H Holding times for preparallon ur analysis exceeded
N Analvte not NELAC certified
B Analyte detected to the associated method blank
ss Greater than Result vaine
E Estimated (value above quantitation range)
S Spike Recovery outside limits due to matrix
Narr See case narrative
r rsnatyze¢ in the lab which is a deviation from the method
Less than Result vaine
Estimated value detected Below Repo ung i rmit
Page 10 of 14

Environmental Chemist, Inc., Wilmington, NC Lab #94
Sample Receipt Checklist
�eceipt of sample: Delivered
YE
YE
C)riQina
NO
0 NO
Date: �~�>*-� x�(_� ReportNumbec
ere custody seals present on the cooler
6GOZWindmill way
Wilmington, NC 218405
910392�0223
�
/
2If Custody seals were Present, were they intact/u n broken?
How temperature taken: 11 Temperature Blank
|RGun /D: Thomas Traceable S/M 192611657
13 YES
YES
YE
YES
S
YES
YES
YES
`
ES
YES
YES
O YES
O YES
0
O
O
13 NO
O NO
140
171 NO
O
K]
O NO
!U YES 10 NO
10 YES
No
l7Were
Su|Mde/Cyaniderece
ive
d
ata
chlorine residual es
id
u
a
/o,
.
O
.
--
�- «[ r",,"~~dtemperature upon receipt
#-_
A0ainst Bottles
|R Gun [orection Factor ~[:O.0
empe,atunaofcnok* exceeded VC, was Pro�ctKQr./QAnmtiMed
erproper custody procedures (relinquished/received
e
e,e sample |D's listed on the COC
6. Were samples /D's!�tedon sample containers
7Were coUectiondate and bnelisted onthe [O[7
. Were tests to be performed listed on the [O[7
9� Did samples aniveinproper containeofor each tes
Did samples an�e/ngood condition for each tes
adequate sample vo
"
.
o
owed
1 Were samples received within proper holding time for requested tes
- 1-1 ere acid preserved samples received at a PH of <2?
4. Were cyanide san�es reue�edata pH »27
5. Were su|#desamples rece�edatapH>97
16Were NH3/TKN/Phenci received at a chlorine residual of
o
**rO[/Vo|ad/esare pHchecked at time ofanalysis and recorded onthe benchsheet
~ Bacteria samples are checked for Chlorine at time ofanalysis and recorded on the benchsheet.
Sample Preservation:
Sample(s)
byadding (circle one):
Time ofPreservation:
(Must becompleted for any samp|e(s) incorrectly preserved orwith headspace)
were received incorrectly preserved and were adjusted accordingly
H"SO, HNO3 H[| NaOH
|fmore than one presemative is npe�p� ""��~~ �. '-___- below
wure:uo,.mcustomer ._.._-'�.-'. . --`~' ''``~`= "' `"""''�"�� oe/ovv
-.^`.~``.",.=m�wmrmcorrez4��,e=,��a�pbs�o�ta,""=�..~..._
-'�.^ -' _''_-~...."".
,"".v^"poa,e'oo�directed toanalzed bvthe customer wxowas notified, date and time:
vo/an/es Sample(s)
*ere received with headspace
�
�
COMMENTS:
VULQA.UU2

Transfer
NOTICE - DECHLORINATION: Samples for Ammonia, TKN, Cyanide, Phenol and Bacteria must be dechlorinated (0.2 ppm or less) in the field at the time of collection. See reverse for instructions
34438 03/05/20
Sample Identification
_
,
Relinquished By:
0,
0
0
2••
0
M
0
m
—I
CD
2
-c3
Sample
Type
0
Composite
0 r
Grab
Container
(P or G)
Chlorine
mg/L
',... ,.
LAB ID
NUMBER
Received By:
NONE
PRESERVATION
HCL
x
H2SO4
HNO3
V',
c
NAOH
THIO
OTHER
Phenols
ANALYSIS REQUESTED
Date/Time
ZI48Z ON `uo
:011230d31:1
Dees euHoJeo a-
:3111IVN lOVINOO
cn cn
3 3
:XVd/3N0Hd
8ZIO-C6L-016
0
0
N 103r0Nd
:ON 12:10d3
Aaoisno AO NIVH3 ONV NO11031103
3
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m
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0
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ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, Wilmington, NC 28405 • 910.392.0223 Lab * 910.392.4424 Fax
710 Bolwsertow n Road, Nlanteo, NC 27954 • 252.473.5702 Lab/Fax
255 A Wilmington Highway; Jacksonville, NC 28540 • 910.347.5843 Lab `Fax
infogen;rironmentalchemists.com
Element One
6319-D Carolina Beach Road
Wilmington NC 28412
Attention: Ken Smith
Date of Report: Mar 23, 2020
Customer PO #:
Customer ID: 08100049
Report #: 2020-03791
Project ID: 34438
Lab ID
20-09210
Test
Sample ID:
Site: 34438
Method
Collect Date/Time Matrix
3/4/2020 2:15 PM Water
Results
Sampled by
Gail Penny
Date Analyzed
1-Trich loroethane
1;1,2,2-Tetrachloroethane
1,1;2-Trichloroethane
1.1-Dichloroethane
1,1-Dichloroethene
1,2-Dichlorobenzene
1,2-Dichloroethane
1,2-Dichloropropane
1,3-Dichlorobenzene
1.4-Dichlorobenzene
Acrolein
Acrylonitrile
Benzene
Bromodichloromethane
Bromoform
Bromomethane
Carbon Tetrachloride
Chlorobenzene
Chloroethane
Chloroform
Chloromethane
cis-1,3-Dichloropropene
Dibromochloromethane
Ethvlbenzene
M+P Xylene
Methylene chloride
EPA624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0,5 pg/L 03/06/2020
EPA624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA624 <00.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <10 pg/L 03/06/2020
EPA 624 <5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0,5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA624 <0,5 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
EPA 624 <1,0 pg/L 03/06/2020
EPA 624 <0.5 pg/L 03/06/2020
Report #:: 2020-03791 Page 1 of 4

ANALYTICAL uCONSULTING CHEMISTS
Environmental Chemists,
6602mindmillWav,m7ilrninton, NC 28405 , 9103910223 Lab ° 910.392.4424 Fax
7mDownc,mpnRoad, \lan/,o'G[27954 , 252.473.5702Lah/Fux
b`���nvmumeum�bcm���vm
Element One
G31Q-DCarolina Beach Road
Wilmington NC 28412
Attention: Ken Smith
Date oYReport: Mar 23.2O2O
Customer P[)#:
Customer ID: 08100049
Rmpmrt#: 2020'03781
Project ID: 34438
ortho'Xykeno
Tetronh|oroethene
Toluene
Trans- 1.2'Dich|oroethene
trans- 1.3'Oiuh|onoprupmne
Thch|oruethene
Thch|nvoOuornmothane
Vinyl chloride
2.4.6-Trioh|oroAheno|
2.4'Dinh|ovophmno|
2.4'Dimethy|pheno|
2.4'Oinitropheno|
2'Ch|oropheno|
2'Methyl-4.8-dinitnopheno|
2-Nhropheno|
4'Ch|oro+3'madly|pheno|
4'Nitnzpheno|
Penbach|oropheno|
Phenol
1.2 Dipheny|hydnazine
1.2.4-Thoh|orobenzena
1.2'Dioh|unobanzene
1.3-Dich|orobonzena
1.4'O\ch|onobenzona
1-Methyl naphthalene
2.4'Dinitroto|uene
2.6'Dinibn8z|uene
2'Chioronaphthaiene
2'yNathy|naphtha|ene
3.3''Oich|orobenzidine
EPAs24
sp*sw
spxsz^
s*^oo4
sn^oe*
EPAa24
spAoo4
spAo2^
spAo2s
spAsus
spAous
spAoes
spAous
sp^acs
spAozo
spxses
spAaos
spAsus
spx62s
spA6us
spxsus
spxaus
spxao5
spAsuo
spAsu5
spAem
sp«6zs
cr:eu:
spAses
EpAs25
<0,5pg8' 03806/2020
<0.5pg/L 03/06C2020
<0,5pg/L 03X06C2020
<0.5pg/L 03K06/2020
<0,5pg/L 03/06/2020
<0.6pg/L 03/06/2020
<0,5pg/L 03/06/2020
^0.5pg/L 03/08/2020
<510Ug/L 03/05/2020
<5,10pg/L 03/05/2020
<5. 10pg/L 03/05/2020
<25.5pg/L 03/05/2020
<5.10pg/L 03/05/2020
<255pg/L 03/05/2020
<25�5pg/L 03/05/2020
<5�10pg/L 03/05C2020
^25.5pg/L 03/05/2020
^25.5pg/L 03/05/2020
<5.10pg/L 03/05/2020
<5.10pg/L 03/05/2020
<5�10pg/L 03/05/3020
<5.10pg/L 03/05/2020
<5.10pg/L 03/05/2020
<5.10pg/L 03/05/2020
<5�10pg/L 03/05/2020
<5�10pg/L 03/05/2020
<5,10ug/L 03/05/2020
<5.10pg8' 03K05C2020
<1O,2pg/L 03/05C2020
Page 2 of A

ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 Windmill Way, A ilmington, NC 28405 • 910.392.0223 Lab 910.392.4424 Fax
710 BowsertoFvn Road, Manteo, NC 27954 252.473.5702 Lab/Fax
255 sA Wilmington Highway, Jacksonville, NC 28540 ® 910.347.5843 Lab 'Fax
infotwem=iron entalche nists.com
Element One
6319-D Carolina Beach Road
Wilmington NC 28412
Attention: Ken Smith
4-Bromophenyl phenyl ether
4-Chlorophenyl phenyl ether
Acenaphthene
Acenaphthylene
Anthracene
Benzidine
Benzo [a]pyrene
Benzo(a)anthracene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Bis ( chioromethyi ) ether
Bis(2-Chloroethoxy)methane
Bis(2-Chloroethyl)ether
Bis(2-Chloroisopropyl)ether
Bis(2-ethylhexyl)phthalate
Butylbenzylphthalate
Chrysene
Dibenzo(a,h)anthracene
Diethylphthalate
Dimethylphthalate
Di-n-Butylphthalate
Di-n-Octylphthalate
Fluoranthene
Fluorene
Hexachlorobenzene
Hexachlorobutadiene
Hexachlorocyciopentadiene
Hexachloroethane
Indeno(1,2,3-cd)pyrene
Date of Report: Mar 23. 2020
Customer PO #:
Customer ID: 08100049
Report #: 2020-03791
Project ID: 34438
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <10.2 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA625 <5.100 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 6,94 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA625 <5.10 ig/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <25.5 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
EPA 625 <5.10 pg/L 03/05/2020
Report #;: 2020-03791 Page 3 of 4

ANALYTICAL & CONSULTING CHEMISTS
Environmental Chemists, Inc.
6602 liVindmili Way, Wilmington, NC 28405 g 910.392,0223 Lab • 910.392.4424 Fax
710 Bowsertown Road, Manteo, NC 27954 • 252.473.5702 Lab/Fax
255-A Wilmington Highway, Jacksonville, NC 28540 • 910.347.5843 Lab/Fax
[e-mail]
Element One
6319-D Carolina Beach Road
Wilmington NC 28412
Attention: Ken Smith
Isophorone
Naphthalene
Nitrobenzene
N-nitroso-dimethylamine(NDMA)
N-Nitroso-di-n-propylamine
N-Nitroso-diphenylamine
Phenanthrene
Pyrene
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
EPA 625
Date of Report: Mar 23, 2020
Customer PO #:
Customer ID: 08100049
Report #: 2020-03791
Project ID: 34438
<5.10 pg/L
<5.10 pg/L
<5.10 pg/L
<5.10 pg/L
<5.10 pg/L
<5.10 pg/L
<5.10 pg/L
<5,10 pg/L
03/05/2020
03/05/2020
03/05/2020
03/05/2020
03/05/2020
03/05/2020
03/05/2020
03/05/2020
Comment:
Reviewed by:
Report # 2020-03791 Page 4 of 4

Environmental Chemist, Inc., Wilmington, NC Lab #94
Client.
Receipt of sample:
O YES ONO
O YES 0 NO
Original te
Sample Receipt Checklist
Date:
Delivered
Other 0
P! N/A 1. Were custody seals present on the cooler?
Le N/A 2. If custody seals
perature upon receipt 1 • 3
How temperature taken:
O YES
2C
[Zi Temperature Blank
IR Gun ID: Thomas Traceable S/N 192511657
CI NO
!X) YES
ES
O YES
YES
O YES
C3 YES
o YES
O NO
O NO
0 NO
O NO
O NO
O NO
O No
O NO
,44
NO
O NO
NO
O NO
O NO
Report Number:
UPS 0 FedEx 0
6602 Windmill Way
Wilmington, NC 28405
910.392.0223
ere present, were they intact/unbroken?
Corrected temperature upon receipt 2C
11 Against Bottles
ve in good condition for each test?
11. Was adequate sample volume available?'
12. Were samples received within proper holding time for requested tests?
13. Were acid preserved samples received at a pH of <2? •
4. Were cyanide samples received a a pH > 2
15 'ere sui ide samples received at a pH >9?
16. Were NH3/TKN/Phenol received at a chlorine residual of <0.5 m/L? "*
17. Were Sulfide/Cyanide received at a chlorine residual of <0.5 m/L?
IR Gun Correction Factor *C: 0.0
3. If temperature of cooler exceeded 6*C, was Project Mgr./QA notified?
4. Were proper custody procedures (relinquished/received) followed?
5. Were sample ID's listed on the COC?
6. Were samples ID's listed on sample containers?
7. Were collection date and time listed on the COC?
8. Were tests to be performed listed on the COC?
9. Did samples arrive in proper containers for each test?
10. Did sa
pies a
TOCNolatiles are pH checked at time of analysis and recorded on the benchsheet.
Bacteria samples are checked for Chlorine at time of analysis and recorded on the benchsheet
Sample Preservation:
Sample(s)
by adding (circle one):
Time of preservation.
US
be co
p eted for any sample(s) incorrectly preserved or with headspace)
ere received incorrectly preserved and were adjusted accordingly
HNO3 HCI NaOH
ore than one preservative is needed, no
Note: Notify customer service immediately for incorrectly preserved samples. Obtain a new sa
notify the state lab if directed to analyzed by the customer. Who was notified, date and time:
Votatites Sarnple(s)
COMMENTS:
ate in co
• e •
were received with headspace
en s below

Transfer
NOTICE - DECHLORINATION: Samples for Ammonia, TKN, Cyanide, Phenol and Bacteria must be dechlorinated (0.2 ppm or less) in the field at the time of collection. See reverse for instructions
34438
34438
34438
•
Sample Identification
c"
\t,
Relinquished By:
03/04/20
03/04/20
03/04/20
0
tim)
Fit
1
0
0
CD
0
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0
=
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4=
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01
(31
D
0
0
CD
—i
0
3
.0
*
*
*
Sample
Type
Composite
or
Grab
,---
\I—
,---
=—,
Date/Tirpe
Container
Chlorine
mg(L.
1.+Eme
LAB ID
NUMBER
.,
.7,
NONE
PRESERVATION
HCL
H2SO4
(
HNO3
NAOH
THIO
OTHER
C
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re,
3
. 7
r--
),..,
ra-
(--
CY
i
'1
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71
0"
CD
0
Fir
.---'
SVOCs
VOCS
ANALYSIS REQUEESTED
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