WQ0000760_Final Permit_19890131

State of North Carolina
Department of Natural Resources and Community Development
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor R. haul Wilms
William W. Cobey, Jr., Secretary January 31 , 1989 Director
Mr. R. H. Cates, Manufacturing Manager
P.P.G. Industries, Inc.
PO Box 949
Lexington, NC 27293
SUBJECT: Permit No. WQ0000760
P.P.G. Industries, Inc.
Sludge Land Application
Storage Facility
Davidson County
Dear Mr. Cates:
In accordance with your application received November 8, 1988, we are
forwarding herewith Permit No. WQ0000760, dated January 31, 1989, to P.P.G.
Industries, Inc. for the operation of the subject sludge land application facilities
and the construction and operation of a sludge storage facility.
This permit shall be effective from the date of issuance until January 31,
1994, and shall, be subject to the conditions and limitations as specified therein.
If any parts, requirements, or limitations contained in this permit are
unacceptable to you, you have the right to request an adjudicatory hearing upon
written request within 30 days following receipt of this permit. This request must
be in the form of a written petition, conforming to Chapter 150B of North Carolina
General Statutes, and filed with the Office of Administrative Hearings, Post Office
Drawer 11666, Raleigh, North Carolina 27604. Unless such demands are made this
permit sh-91.1. be final and binding.
One (1) set of approved plans and specifications is being forwarded to you. if
you need additional information concerning this matter, please contact Mr. Randy
Jones, telephone No. 919/733-5083, ext. 541.
;Sincerel ,
Paul Wilms'" f
cc: Davidson County Health Department
Winston-Salem Regional Supervisor
Environmental waste Disposal
P.O. Box 27687, Raleigh, Forth Carolina 27611-7687 'telephone [phone]
An Equal Opportunity Affirmative Action Employer

9
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF NATURAL RESOURCES AND COMMUNITY DEVELOPMENT
RALEIGH
P E R M I T
For the discharge of Sewage, Industrial Wastes, or Other Wastes
In accordance with the provisions of Article 21 of Chapter 143, General Statutes
of North Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
P.P.G. Industries, Inc.
Davidson County
FOR THE
operation of a sludge land application program which consists of applying sludge to
land which is owned by P.P.G Industries, Inc. and contains approximately 275.13 acres
and for the construction and operation of a sludge storage facility (located at the
plant site) which is an 85 ft. by 85 ft. by 8 ft. high concrete dike with a storage
capacity of approximately 2,000 cubic yards of dry sludge, an enclosed drag conveyor
for conveying sludge from the vacuum filter to the storage facility, a 100 GPM sump
pump which will discharge to the sludge holding tank, and all other appurtenances to
serve P.P.G, Industries, Inc. in Davidson County, pursuant to the application
received November 8, 1988, and in conformity with the project plan, specifications,
and other supporting data subsequently filed and approved by the Department of
Natural Resources and Community Development and considered a part of this permit.
This permit shall be effective from the date of issuance until January 31, 1994,
and shall be subject to the following specified conditions and limitations:
1. This permit shall become voidable unless the facilities are constructed ill
accordance with the approved plans, specifications and other supporting data.
2. This permit is effective only with respect to the nature and volume of wastes
described in the application and other supporting data.
3. The facilities shall be properly maintained and operated at all times.
4. This permit is not transferable.
.5. This permit shall become voidable in the event of failure of the soil to
adequately absorb the wastes and may be rescinded unless the facilities are
installed, maintained, and operated in a manner which will protect the assigned
c
water quality standards of the surface waters and ground waters.

6. In the event that the facilities fail to perform satisfactorily, including the
creation of nuisance conditions, the Permittee shall take such immediate
corrective action as may be required by this Division, including the construction
of additional or replacement wastewater treatment or disposal facilities.
7. The Winston -Salem Regional Office, phone no. 919/761-2351, shall be notified at
least twenty-four (24) hours in advance of operation of the installed
facilities so that an in-place inspection can be made. Such notification to the
regional supervisor shall be made during the normal office hours from 8:00 a.m.
until 5:00 p.m. on Monday through Friday, excluding State Holidays.
8. Any monitoring deemed necessary by the Division of Environmental Management to
insure surface and ground water protection will be established and an acceptable
sampling reporting schedule shall be followed.
9. The sludge generated from these treatment facilities must be disposed of in
accordance with General Statute 143-215.1 and in a manner approvable by the North
Carolina Division of Environmental Management.
10. The Permittee, at least six (6) months prior to the expiration of this permit,
shall request its extension. Upon receipt of the request, the Commission will
review the adequacy of the facilities described therein, and if warranted, will
extend the Permit for such period of time and under such conditions and
limitations as it may deem appropriate. ,
11. The issuance of this permit shall not relieve the Permittee of the responsibility
for damages to surface or groundwaters resulting from the operation of this
facility.
12. No type of sludge other than that from P.P.G. Industries, Inc. shall be placed
on the land application disposal. site.
13. Adequate provisions shall be taken to prevent wind erosion and surface runoff
from conveying pollutants from the sludge application area onto the adjacent
property or into the surface waters.
14. Sludge shall not be applied in inclement weather or until 24 hours following a
rainfall event of 1/2-inch or greater in 24 hours. Emergency sludge disposal
measures shall be approved by the Division of Environmental Management.
15. The site shall be adequately limed to a soil pH of 6.5 prior to sludge
application.
1.6. No crops for direct human consumption shall be raised on these sites for a period
of 18 months following sludge application.
17. Maximum slope for sludge application shall be 10% for surface application and 18%
for subsurface applications.
18. Adequate inspection, maintenance, and cleaning shall be provided by the Permittee
to insure proper operation of the subject facilities.
i

19. In any future transfer of this land, a notice shall be given to the now owner
that gives full details of the materials applied or incorporated at this site.
20. Solids, sludges, or other pollutants removed or resulting from the wastewater
storage facilities shall be contained and disposed of in such a manner as to
prevent any contamination of the surface or groundwaters of the State.
21. Animals should not be grazed on sludge applied land within a 30 -day period
following the sludge application. Application sites that are to be used for
grazing shall have fencing that will be used to prevent access during the 30 -day
periods after each application.
22. A recorded log of sludge applications including amounts applied, dates, method of
application, and site location shall be maintained by the Permittee as a
permanent record.
23. Surface applied sludge will be plowed or disced in immediately after application
on lands with no cover crop established.
24. Surface application of liquid sludge shall not be, used on sites that are prone to
flooding conditions. (Below the 100 -year flood level.)
25. Public access to the land application sites shall be controlled during active
site use and for the 12 -month period following the land application event.
26. A set of approved plans and specifications for the subject project must be
retained by the applicant for the life of the project.
27. The land application sites are identified as follows:
PPG Cultivated Available
Field Acres Acres Acres
1
22.71
12.9
11.2
2
41.7
34
28
3
53.7
38.1
33.5
4
57.58
14.1
11.5
5
33.72
19.2
15.5
6
65.72
47.7
40.5
Total
275.13
166.0
140.2
28. Due to the detrimental effects of fluoride emissions from P.P.G. Industries,
Inc., corn shall not be grown on these sites.
29. The application .rates shall not exceed:
a) 150 lbs, per acre per year of PAN
b) 12.55 dry tons per acre per year

30. The following buffer requirements shall be maintained between any sludge. applied
land:
a) 50 feet from any public right of way;
b) 100 feet from property lines;
c) 100 feet from any streams, ponds, and drainage ways;
d) 1.00 feet from any wells, active or abandoned, unless the wells have been
permanently abandoned in accordance with 15 NCAC 2C .0113;
e) 400 feet from dwellings (surface application);
f) 200 feet from dwellings (subsurface application).
31.. A copy of the annual soils analysis, including an analysis for lead, shall be
submitted to the Winston-Salem Regional Office by December 31 of each year.
32. Within 30 days of permit issuance, a sample of the typical sludge shall be
obtained and analyzed for organic constituents (base/neutral extractables,
purgeables, acid extractables) by appropriate EPA -approved methods.
The results of the sludge sampling and analysis shall be submitted to the
Division of Environmental Management, Groundwater Section, within 30 days of
sample collection.
33. Prior to beginning waste disposal operations, two (2) monitor wells, one (1)
upgradient and one (1) downgradient, shall be installed at one (1) of the
proposed land application sites to monitor groundwater quality. The location and
construction details for these wells shall be approved by the Winston-Salem
Regional Office, from which a well construction permit must be obtained.
34. The monitor wells shall be sampled initially after construction (and prior to
waste disposal operations) and thereafter every March, July and November for the
following parameters:
Nitrate
pH
Total Ammonia
Aluminum
Zinc
Copper
TDS
Iron
TOC
Chromium
Water Level
Lead
TOX (in Nov. only)
Orthophosphate
The measurement of water level must be made prior to sampling for the remaining
parameters.
* The analytical methods used for TOX must be capable of detecting the total of
all halogenated organic compounds present at a concentration of 5.0 parts per
billion (ppb) or greater. In the event that a TOX concentration of 5.0 ppb or
greater is detected, any individual halogenated organic compound(s) present at a
concentration at or above the method detection limit (MDL) must be identified and
quantified utilizing EPA methods 601, 602, 604 and 611.
The results of the sampling and analysis shall be sent to the N.C. Division of
Environmental Management on Form GW -59 (Compliance Monitoring Report Form) every
April, August and December.

35. P.P.G. Industries, Inc, shall provide a copy of this permit to anyone leasing or
1 utilizing these lands and P.P.G. Industries, Inc. shall ensure that such persons
understand the provisions and limitations associated with the subject- sludge land
application program.
36. Upon completion of construction and prior to operation of this permitted
facility, a certification must be received from a professional engineer
certifying that the permitted facility has been installed in accordance with the
approved plans and specifications.
Permit issued this the 31st day of January, 1989.
NORTIi CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�R. Paul, Wilms, Director /I -
Division of Environmental Management
By Authority of the Environmental Management Commission
Permit No. WQ0000760
Engineer's Certification
I, , as a duly registered Professional
Engineer in the State of north Carolina, having been authorized to observe
(periodically/weekly/full time) the construction of the project,
,
(Project)
(Name or Location)
for the
hereby state that, to the best of my
(Project owner)
abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Signature
Date
Registration No.