NC0084620_Renewal Application_20150730

NPDES PERMIT APPLICATION - SHORT FORM C - Minor Industrial
Minor industrial, manufacturing and commercial facilities.
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number INCO084620
1. Contact Information:
Owner Name
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
Please print or type.
Unimin Corporation
Unimin Corporation - Crystal Facility
P. O. Box 588
Spruce Pine
NC / 28777
[phone]
[phone]
n/a
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 136 Crystal Drive RECEIVEDIDENRONR
City Spruce Pine d 11L .10 Z 015
State / Zip Code NC / 28777
County Mitchell permitting Section
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORQ
Name Unimin Corporation - Crystal Facility
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
4. Ownership Status:
Federal ❑
P. O. Box 588
Spruce Pine
NC / 28777
[phone]
[phone]
State ❑ Private ® Public ❑
Page 1 of 5 GMI 10/08

NPDES PERMIT APPLICATION - SHORT FORM C - Minor Industrial
Minor industrial, manufacturing and commercial facilities.
5. Standard Industrial Classification (SIC) code(s): 1459
6. Number of employees: 1S
?. Describe the treatment system List all installed waste treatment components with capacities,
describe the processes that generate wastewaters. If the space provided is not sufficient attach a
separate sheet of paper with the system description.
See attached CONFIDENTIAL operating status.
S. Is facility covered under federal effluent limitation guidelines? No ® Yes ❑
If yes, specify the category?
9. Principal product(s) produced: High Purity Quartz
Principal raw material(s) consumed: N/A
Briefly describe the manufacturing process(es):
See attached CONFIDENTIAL operating status.
Page 2 of 5 C-MI 10108

NPDES PERMIT APPLICATION - SHORT FORM C - Minor Industrial
Minor industrial, manufacturing and commercial facilities.
10. Amount of principal product produced or raw material consumed
ir.i.ct cnvrifir nmrnintc rnnsumed and/or units of production over the last three uears)
Product Produced or Raw Material
Consumed
AVERAGE
Product Produced or Raw Material
Consumed
PEAK
per Day
per Month
per Year
I -confidential production data will be submitted separately.
11. Frequency of discharge: Continuous
If intermittent:
Days per week discharge occurs: T
Intermittent ❑
Duration: 24 hrs/day
12. Types of wastewater discharged to surface waters only
Discharge
Flow
GALLONS PER DAY
Sanitary - monthly average
0
Utility water, etc. - monthly average
0
Process water - monthly average
39,900
Stormwater - monthly average
0
Other - monthly average
Explain:
0
Monthly Average
total discharge (all types)
39,900 (Plant has operated only a few months out of
the past 3 years)
13. Number of separate discharge points: 2 Outfall Identification number(s) 001& 002
14. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude
North Toe River
Page 3 of 5 GMI 10108

NPDES PERMIT APPLICATION - SHORT FORM C - Minor Industrial
Minor industrial, manufacturing and commercial facilities.
Effluent Data [for new or proposed discharges]
Provide data for the parameters listed. Temperature and pH shall be grab samples, for all other parameters 24-hour
composite sampling shall be used. If more than one analysis is reported, report daily maximum and monthly average.
If only one analysis is reported, report as daily maximum.
hOTE. Permittees requesting renewal should complete the table ONLY for the parameters
curt ntlu monitored. Summarise the ast 3 uears of e uent data.
Parameter
Daily
Maximum
Monthly
Average
Units of
Measurement
Biochemical Oxygen Demand (BOD5)
N/A
Chemical Oxygen Demand (COD)
N/A
Total Organic Carbon
N/A
Total Suspended Solids
244
16
lb/day
Ammonia as N
N/A
Temperature (Summer)
N/A
Temperature (Winter)
N/A
pH
9.9
Fecal Coliform (If sanitary waste is
present)
N/A
Total Residual Chlorine (if chlorine is
used)
N/A
16. List all permits, construction approvals and/or applications (check all that apply and provide permit
numbers or check none if not applicabler
Type Permit Number 'lope Permit Number
Hazardous Waste (RCRA)
UIC (SDWA)
NPDES
PSD (CAA)
Non -attainment program (CAA)
NCO084620
NESHAPS (CAA)
Ocean Dumping (MPRSA)
Dredge or fill (Section 404 or CWA)
Other NC Air Permit 07018R15
17. List any chemicals that may be discharged (Please list and explain source and potential
amounts.)
See attached CONFIDENTIAL operating status.
Page 4 of 5 GMI 10M

NPDES PERMIT APPLICATION - SHORT FORM C - Minor Industrial
Minor industrial, manufacturing and commercial facilities.
18. Is this facility located on Indian country? (check one)
Yes ❑ No
19. Applicant Certification
I certify that I am familiar with the information contained in the application and that to the
best of my knowledge and belief such information is true, complete, and accurate.
Andrew G. Bradley Sr. VP - Operations
Printed name of Person Signing Title
Signature of Applicant
Date
North Carolina General Statute 143-215.6 (b)(2) provides that: Any person who knowingly makes any false
statement representation, or certification in any application, record, report, plan, or other document files or
required to be maintained under Article 21 or regulations of the Environmental Management Commission
implementing that Article, or who falsifies, tampers with, or knowingly renders inaccurate any recording or
monitoring device or method required to be operated or maintained under Article 21 or regulations of the
Environmental Management Commission implementing that Article, shall be guilty of a misdemeanor punishable
by a fine not to exceed $25,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section
1001 provides a punishment by a fine of not more than $25,000 or imprisonment not more than 5 years, or both,
for a similar offense.)
Page 5 of 5 C-MI 10108

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Unimin Corporation — Crystal Facility
Present Operating Status: Unimin Corporation — Crystal Facility is engaged in the extraction
and mineral processing to produce high purity quartz. The wastewater treatment plant consists of
mix -reactor tanks, lime and polymer feed systems, thickener, drum filter, pH adjustment, and flow
measurement. The plant is currently limiting flow to 384 gpm average.
The facility currently may add lime (Ca(OH)2), sulfuric acid (H2SO4), sodium bicarbonate
(Na2CO3) and Calcium Chloride (CaC12) as needed for pH control. The facility may add alum
(Al2(SO4)3), aluminum chlorohydrate (Al2C1(OH)5), anionic polymer and cationic polymer as
needed for flocculation. The facility may add alum, aluminum chlorohydrate and polymer as
needed for flocculation of the intake water. Small amounts of chlorine may also be added as
needed for disinfection of the intake water. Other chemicals used in the process at the main plant
include HF, HCI, caustic, and sodium thiosulfate. Oil and grease are possible from small amounts
of leaks and drips from mobile equipment.
Tailings Management: Tailings obtained from the wastewater treatment plant are not defined as
a solid waste and are not regulated by the Solid Waste Division. Wastes of this nature are returned
to the ore processing plants and disposed of in designated waste disposal areas covered under the
Mining Permits.
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Crystal Facility
tateGrid/Ouad.- D IONE/ Spruce Pine, NC Permitted Flow: 0.553MGD
atitude: 35'54'12" Longitude: 82'03'25"
eceiving Stream: North Toe River Sub -Basin: 04-03-06
rainageBasin: French Broad River Basin HUC#: 0601010801
treamClass: C Trout
Outfal.1 001
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Facility
Location
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grthNPDES Permit No. NC0084620
I I Mitchell County

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NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
Unimin Corporation
Crystal Facility
PO Box 588
Spruce Pine, NC 28777
Dear Permittee:
Donald R. van der Vaart
Secretary
August 5, 2015
Subject: Acknowledgement of Permit Renewal
Permit NCO084620
Mitchell County
The NPDES Unit received your permit renewal application on July 30, 2015. A member of the
NPDES Unit will review your application. They will contact you if additional information is required to
complete your permit renewal. You should expect to receive a draft permit approximately 30-45 days
before your existing permit expires.
If you have any additional questions concerning renewal of the subject permit, please contact Tom
Belnick at [phone].
Sincerely,
\A/1- 0- _rktZ(J2ffY0L
Wren Thedford
Wastewater Branch
cc: Central Files
Asheville Regional Office
NPDES Unit
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604
Phone: [phone] Fax: [phone]Customer Service:1-877-623-6748
Internet:: www.ncwater.org
An Equal Opportun'ti7rlAffirmative Action Employer