NC0000361_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 NC0000361
Please print or type.
1. Contact Information:
Owner Name Unimin Corporation
Facility Name Unimin Corporation-Schoolhouse Quartz Facility
Mailing Address P. O. Box 588
City Spruce Pine
State / Zip Code NC / 28777
Telephone Number [phone] RECEIVEDIDENWDWR
Fax Number [phone] �i �- 3 0 2015
e-mail Address n/a Water Quality
Pero/fling r
2. Location of facility producing discharge:
Check here if same as above 0
Street Address or State Road 107 Harris Mining Company Road, Hwy. 19E
City Spruce Pine
State / Zip Code NC / 28777
County Avery
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 ORC)
Name Unimin Corporation-Schoolhouse Quartz Facility
Mailing Address P. O. Box 588
City Spruce Pine
State / Zip Code NC / 28777
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal 0 State 0 Private ® Public 0
Page 1 of 5 C-MI 10/08

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.
NOTE:Permittees requesting renewal should complete the table ONLY for the parameters
currently monitored. Summarize the past 3 years of effluent data.
Daily Monthly I Units of
Parameter Maximum Average Measurement
Biochemical Oxygen Demand (BODS) N/A
Chemical Oxygen Demand (COD) N/A
Total Organic Carbon N/A
Total Suspended Solids 132.2 11.78 lb/day
Ammonia as N N/A
Temperature (Summer) N/A
Temperature (Winter) N/A
pH 9.9 N/A
Fecal Coliform (If sanitary waste is N/A
present)
Total Residual Chlorine (if chlorine is N/A
used) i
16. List all permits, construction approvals and/or applications (check all that apply and provide permit
numbers or check none if not applicable):
Permit
Type Permit Number Type Number
Hazardous Waste (RCRA) NESHAPS (CAA)
UIC (SDWA) Ocean Dumping(MPRSA)
NPDES NC0000361 Dredge or fill (Section 404 or CWA)
PSD (CAA) Other NC Air Permit 04000R21
Non-attainment program Mine Permit No. 06-03, NPDES Gen. NCG020795
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 C-MI 10/08

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 0 No El
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 Dat ) r
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 10/08

Unimin Corporation— Schoolhouse Quartz Facility
Present Operating Status: Unimin Corporation—Schoolhouse Quartz Facility is engaged in the
mining, milling and separation of Alaskite ore to produce quartz, feldspar and mica. The
wastewater treatment plant consists of dewatering cyclones,thickeners, disc filters,alum, lime, and
polymer addition, pH adjustment, emergency pond,mix/reactor tanks,multimedia filters, filter
press, recycle, and flow measurement. The plant is currently limiting flow to <1,500 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 an organic defoamer as needed. Other chemicals
used in the process at the main plant include HF,caustic, amine,petroleum sulfonate,and fuel oil.
Oil and grease are possible from small amounts of leaks and drips from mobile equipment. HCl is
used in the laboratory and R&D facilities.
Tailings Management: Tailings obtained from the wastewater treatment plant are not defined as
a solid waste and is not regulated by the Solid Waste Division. Wastes of this nature are disposed
of in designated waste disposal areas covered under the Mining Permit.
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Facility Information
atitude: 351156' 20" Sub -Basin: 04-03-06
on,gitude: 81959' 45" HUC#: 06010108
luad #: Linville Falls (D11SW)
tream Class: C Trout
eceiving Stream: North Toe River
e.rrnitted Flow: 2.16 MGD
Facility
Location
Unimin. -Schoolhouse Quartz Facility
North
NCO000361
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