NC0026051_Permit Issuance_19960304

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Govemor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Mr. Edward O. Watson, Jr.
County of Durham
301 West Main Street
Durham. NC 27701
1evF
•
IDIEF-INJ I
March 4, 1996
Subject: NPDES Permit Issuance
Permit No. NC0026051
Durham Triangle WWTP
Durham County
Dear Mr. Watson:
In accordance with the application for a discharge permit received on August 31, 1995, the Division
is forwarding herewith the subject NPDES permit. This permit is issued pursuant to the requirements of
North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina
and the US Environmental Protection Agency dated December 6, 1983.
If any parts, measurement frequencies or sampling requirements contained in this permit are
unacceptable to you, you have the right to an adjudicatory hearing upon written request within thirty (30)
days following receipt of this letter. This request must be in the form of a written petition, conforming to
Chapter 15UB of the North Carolina General Statutes, and filed with the Office of Administrative
Hearings. Post Office Drawer 27447, Raleigh, North Carolina 27611-7447. Unless such demand is
made, this decision shall be final and binding.
Please take notice this permit is not transferable. Part II, E.4. addresses the requirements to be
followed in case of change in ownership or control of this discharge.
This permit does not affect the legal requirements to obtain other permits which may be required by
the Division of Environmental Management or permits required by the Division of Land Resources,
Coastal Area Management Act or any other Federal or Local governmental permit that may be required.
If you have any questions concerning this permit. please contact Greg Nizich at telephone number
[phone], extension 541.
Sincerely,
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E.
cc: Central Files
Raleigh Regional Office
Mr. Roosevelt Childress, EPA
Permits and Engineering Unit
Facility Assessment Unit
Technical Assistance & Certification Group
Aquatic Toxicology & Survey Group
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

•
Permit No. NC0026051
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
PERMIT
TO DISCHARGE WASTEWATER UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
In compliance with the provision of North Carolina General Statute 143-215.1,
other lawful standards and regulations promulgated and adopted by the North Carolina
Environmental Management Commission, and the Federal Water Pollution Control Act, as
amended,
Durham County
is hereby authorized to discharge wastewater from a facility located at
Triangle Wastewater Treatment Plant
NC Highway 55 and NCSR 2028
west of Research Triangle Park
Durham County
to receiving waters designated as Northeast Creek in the Cape Fear River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in
Parts I, II, III and IV hereof.
This permit shall become effective April 1, 1996
This permit and authorization to discharge shall expire at midnight on February 28, 2001
Signed this day March 4, 1996
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E., Director
Division of Environmental Management
By Authority of the Environmental Management Commission

Permit No. NC0026051
SUPPLEMENT TO PERMIT COVER SHEET
Durham County
is hereby authorized to:
1. Continue to operate the existing 6.0 MGD wastewater treatment facility consisting of a bar
screen, grit removal at the influent pump station and dual train extended aeration, clarifier,
chlorination and tertiary filters located at Triangle Wastewater Treatment Plant, NC Highway 55
and NCSR 2028, west of Research Triangle Park, Durham County (See Part III of this
Permit), and
2. Discharge from said treatment works at the location specified on the attached map into Northeast
Creek which is classified Class WS-IV NSW waters in the Cape Fear River Basin.

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A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NC002(G51
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial number 001. Such discharges shall he limited and monitored by the permittee as specified below:
Effluent Characteristic
Discharge. Limitation:
Monthly Avg
Flow 6.0 MGD
BOD, 5 day, 20°C** 5.0 mg/I
Total Suspended Residue** 30.0 mg/I
NH3asN 1.omg/I
Dissolved Oxygen***
Fecal Coliform (geometric mean) 200.0 /100 ml
Total Residual Chlorine
Temperature
Total Nitrogen (NO2 + NO3 + TKN)
Total Phosphorus
Chronic Toxicity
0.5 mg/I****
Weekly Avg. Daily Max
7.5 mg/I
45.0 mg/I
400.0 /100 ml
Monitoring
Measurement
Frequency
Continuous
Daily
Daily
Daily
Daily
Daily
Daily
Daily {
may— i
Weekly
Quarterly
Requirement:
Sample
Tvae
Recording
Composite
Composite
Composite
Grab
Grab
Grab
Grab
Composite
Composite
Composite
*Sample
Location
I or E
E, I
E, I
E
E, U, D
E, U, D
E
E,U,D
E
E
E
*Sample locations: E - Effluent, I - Influent, U - Upstream at NCSR 1102, D - Downstream at (1) NCSR 1100 and (2) NCSR 1732
Upstream and downstream samples shall be grab samples. Stream samples shall be collected for temperature, dissolved oxygen, fecal
coli form, and conductivity three times per week during June, July, August, and September and once per week during the remaining months of
the year. All other stream sampling shall be conducted during June, July, August, and September only.
**The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15 % of the respective influent value (85
%) removal.
*** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/1.
**** Compliance shall be based on a quarterly average of weekly samples.
***** Chronic Toxicity (Ceriodaphnia) P/F at 90%; February, May, August and November; See Part III, Condition G.
If th• i ,t daily
d • y sam ,: do not
les for
Monitor -only-2lauonth..reguir prior to that -date.
lead, c . i s , : nd mere - . c in com
be ana - , If the li
cc with the weekly avcra _': or - . eters, r of the
e not me st, then t : : ` i e s . ' .. mples should be analyzed and reported.
The pH shall not he less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample
There shall he no discharge of floating solids or visible foam in other than trace amounts.

A. ( ). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS SUMMER (April 1 - October 31) Permit No. NCOO2(" 51
During the period beginning on the effective date of the permit and lasting until expiration, the Pcrmittee is authorized to discharge from
outfall(s) serial number 001. (Continued)
Effluent Characteristic
Conductivity
Copper
Zinc
Total Phosphorus*
PO4*
TKN'
NO2 + NO3*
NH3 as N*
pH*
• Chforefurmt
Bromodichloromethane+
Dibromochloromethane+
Discharge Limitation:
Units (specify
Monthly Avq Weekly Avq. Daily Max
26.A µgfl 108.0 gg/f
-12�r11 3 µ g 1i
µ
ttt,p g
1.2-µg/I
---14. 8 µ 04--
0.85 g/I
1.3 µg/I
Monitoring
Measurement
Frequency
Daily
Daily
Daily
Daily
Monthly
Monthly
Weekly
Weekly
Weekly
Weekly
Weekly
3/Week
Weekly
Weekly
Weekly
Weekly
Weekly
2LM onth
RequirementE
Sample
Type
Grab
Composite
Composite
Grab
Composite
Composite
Composite
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
Grab
*Sample
Location
U, D
E
E
E
E
E
E
U,D
U,D
U,D
U,D
U,D
U,D
E
E
E
E
E
E

A. (). EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Permit No. NC(Xi2:,;)51
During the period beginning on the effective date of the permit and lasting until expiration, the Permittee is authorized to discharge from
outfall(s) serial number (X)1. Such discharges shall be limited and monitored by the permittee as specified below:
Effluent Characteristic
Discharge Limitation!
Monthly Avq
Flow 6.0 MGD
BOD, 5 day, 20°C— 10.0 mg/1
Total Suspended Residue** 30.0 mg/I
NH3asN 1.8 mg/I
Dissolved Oxygen"'
Fecal Coliform (geometric mean) 200.0 /100 ml
Total Residual Chlorine
Temperature
Total Nitrogen (NO2 + NO3 + TKN)
Total Phosphorus
Chronic Toxicity
2.0 mg/I""
Weekly Avq. Daily Max
15.0 mg/I
45.0 mg/I
400.0 /100 ml
Monitoring
Measurement
Frequency
Continuous
Daily
Daily
Daily
Daily
Daily
Daily
Daily
Monthly
Weekly
Quarterly
Requirement;
Sample •Sample
Type
Recording
Composite
Composite
Composite
Grab
Grab
Grab
Grab
Composite
Composite
Composite
Location
I or E
E, I
E, I
E
E, U, D
E, U, D
E
E,U,D
E
E
E
*Sample locations: E - Effluent, I - Influent, U - Upstream at NCSR 1102, D - Downstream at (1) NCSR 1100 and (2) NCSR 1732
Upstream and downstream samples shall he grab samples. Stream samples shall be collected three times per week during June, July, August,
and September and once per week during the remaining months of the year.
**The monthly average effluent BOD5 and Total Suspended Residue concentrations shall not exceed 15 % of the respective influent value (85
%) removal
*** The daily average dissolved oxygen effluent concentration shall not be less than 6.0 mg/l.
**** Compliance shall be based on a quarterly average of weekly samples.
***** Chronic Toxicity (Ceriodaphnia) P/F at 90%; February, May, August and November; See Part III, Condition G.
+ Limits take effect April 1, 1997. Monitoring only 2/month required prior to that date.
If the first daily samples for nickel, lead, cyanide, and mercury are in compliance with the weekly averages for those parameters, the rcst of the
daily samples do not need to be analyzed. If the limits arc not met at first, then the rest of the daily samples should be analyzed and reported.
The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units and shall be monitored daily at the effluent by grab sample.
There shall he no discharge of floating solids or visible foam in other than trace amounts.

A. O. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS WINTER (November 1 - March 31) Pcrmit No. NCOO26(i !
During the period beginning on thc effective date of the permit and lasting until expiration, thc Permittee is authorized to discharge from
outfall(s) serial number (X) I . (Continued)
Effluent Characteristic
Conductivity
Nickel
Lead
Cyanide
Mercury
Copper
Zinc
Chloroform+
1,2 Dichloroethane+
Methylene chloride+
Bromodichloromethane+
Dibromochloromethane+
Toluene
Discharge Limitation:
Units (specify
Monthly Avg Weekly Avq. Daily Max
25.0 µg/I 100.0 µg/I
25.0 µg/I 34.0 µg/I
5.0 µg/I 15.0 µg/I
0.012 µg/I 0.048 µg/I
18.0 µg/I
1.2 µg/I
14.8 µg/I
0.85 µg/I
1.3 µg/I
Monitoring
Measurement
Frequency
Daily
Daily
Daily
Daily
Monthly
Monthly
Weekly
Weekly
Weekly
Weekly
Weekly
2/Month
Requirement5
Sample
Type
Grab
Composite
Composite
Grab
Composite
Composite
Composite
Grab
Grab
Grab
Grab
Grab
Grab
•Sample
Location
U, D
E
E
E
E
E
E
E
E
E
E
E
E

NPDES WASTE LOAD ALLOCATION
PERMIT NO.: NC0026051
PERM I 1hE NAME:
FACILITY NAME:
Durham County
Triangle WWTP
Facility Status: Existing
Permit Status: Renewal
Major
Pipe No.: 001
Minor
Design Capacity: 6.0 MGD
Domestic (% of Flow): 58.8 %
Industrial (% of Flow): 41.2 %
Comments: Ap, Q�►te ..,v 7/3 if S
RECEIVING STREAM: Northeast Creek
Class: (,- I (,J
Sub -Basin: 03-06-05
Reference USGS Quad: D 23 NW (please attach)
County: Durham
Regional Office: Raleigh Regional Office
Previous Exp. Date: 2/29/96 Treatment Plant Class: Class 4
Classification changes within three miles:
none
Requested by:
PI. TIED
Dana Bolden
Date: 9/29/95
Prepared by: ,---_% '<ge C Date:
Reviewed by: diAker Y1 Date: /-
0p1., fib' —nicjil" 41 nip ( \
tO
Modeler
Date Rec.
#
J C,%
/°/3�/i
Drainage Area (mi2 ) it Avg. Streamflow (cfs): -p
7Q10 (cfs) a p Winter 7Q10 (cfs) 6,6 30Q2 (cfs) t 9
Toxicity Limits: IWC Cj O % Acut hronic ;
Instream Monitoring:
Parameters Jer►9 f1./ Qd , cam, .ono(.
Upstream ye 5 Location 6R 10.2
Downstream ..5 ,t-e4
Recommended Limits:
Wastefow (MGD):
BOD5 (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (µg/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/1):
*Based on a quarterly
Copper (ug/1):
Nickel (ug/1):
Lead (u8/1):
Zinc (ug/l):
Cyanide (ug/1):
Mercury (ug/1):
Chloroform (ug/1): 18.0
1,2 Dichloroethane (ug/1): 1.2
Methylene Chloride (ug/1): 14.8
Bromodichloromethane (ug/1): 0.85
Dibromochloromethane (ug/1): 1.3
Location ),5000 4.512
Monthly Average
Summer Winter
6.0 6.0
5.0
2.0
6.0
30
200
6.0-9.0
monitor
10.0
4.0
6.0
30
200
6.0-9.0
monitor
monitor monitor
O•5 2.0*
monitor monitor
average of weekly samples.
Mnthly Av Weekly Av Dly Max
monitor monthly
25 100
25 34
monitor monthly
5 15
0.012
0.048
EPA Method 624 - The permitee shall submit the results of an EPA Method 624 - Purgeable
Organics test or equivalent performed on a representative sample of the effluent discharge taken
after final treatment (required quarterly).
Quantitation shall be required for all compounds named in the EPA Method 624 (if detected)
G and other significant levels of organic chemicals shall be identified and approximately
- quantified. For the purpose of implementing this requirement, the 10 largest GC/MS peaks not
identified as one of the target compounds (or fewer than 10, if less than 10 identified peaks
occur) should be identified and approximatile quantified.
Note: Ag and Cd have been dropped from permit as per recommendation from RRO. These
parameters will continue to be monitored through LTMP. In addition, facility should be given
one year after issuance to comply with limits for organic constituents (also per RRO).

•
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€ WO:q CO. q H \�• '�..• • \ ``� v / °:%.
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E _ r' .�
690 • • INTE�IIOR-GEOLOGICAL SURVEY. IRE STON, VIRGINIA-1987
'689 9 Mi. TO U.S. 64 891999m.E.
Primary highway,
hard surface
Secondary highway,
hard surface Unimproved road
5 5'
3976
3975
c
r;
a
3974
73993'^ N.
-Dv.21AAM COLAJJ
TY%P.N6LZ wtJt
IP
_35°52'30"
ROAD CLASSIFICATION
Light -duty road, hard or
improved surface
78° 52'30"
\: r•
Interstate Route U. S. Route () State Route 5:" ;"
F ti,
Dns shown in purple and woodland compiled in cooperation
state of North Carolina agencies from aerial photographs taken
`and other sources. This information not field checked. Map edited 1987
tint indicates extension of urban areas
SOUTHWEST DURHAM, N. C.
NW/4 DURHAM SOUTH 16' OUADRANOLE
35078-H8-TF-024
1973 •
PHOTOREVISED 1987
DMA 5255 IV NW —SERIES V842
MASTER TIL't

Facility Name:
NPDES No.:
Type of Waste:
Facility Status:
Permit Status:
Receiving Stream:
'Stream Classification:
Subbasin:
County:
Regional Office:
Requestor:
Date of Request:
Topo Quad:
FACT SHEET FOR WASTELOAD ALLOCATION
Request #
Durham County - Triangle WWTP
NC0026051
58.8% Domestic, 41.2% Industrial
Existing
Renewal
Northeast Creek
WS-IV NSW
03-06-05
Durham
Raleigh /
Bolden FYI i L�
9/29/95
D23NW
Stream Characteristic:
USGS #
Date:
Drainage Area (mi2):
Summer 7Q10 (cfs):
Winter 7Q10 (cfs):
30Q2 (cfs):
Average Flow (cfs):
IWC (%):
0209741710
3/27/84
18
0.0
0.5
0.9
20
100%
Wasteload Allocation Summary
(approach taken, correspondence with region, EPA, etc.)
For this renewal at existing flow there are no changes in limits for conventional pollutants, except
NH3N, which is revised to 2.0/4.0 from 1.0/1.8 limits assigned previously based on ammonia
toxicity. Since the last permit rewnewal/WLA the classification of the receiving stream has
changed from C-NSW to WS-IV NSW (as of 8/3/92) which change applicable standards and limits
for toxicants. Toxicant analysis indicated that the limit for Cr can be dropped from the permit, but
this parameter will continue to be monitored through LTMP. All other toxicant limits should
remain in permit. Evaluation of APAM data and additional organic toxicant sampling data,
provided voluntarily by the facility, indicated that several carcinogens have been recently detected
in the effluent at levels exceeding allowable loads according to EPA criteria for these parameters.
Limits are recommended for all such parameters (see TOXICS/METALS LIMITS and attached
table). Quarterly monitoring of organic toxicants using EPA Method 624 is also recommended
(see Special Instructions or Conditions section).
Special Schedule Requirements and additional comments from Reviewers:
�
re(,ai,_3 remc ' ) (;,/ 11
cc L S E`n
tan year 1 A4?-r- oryQntc idh,ts.
n
Recommended by:
Reviewed by II
Instream Assessment:
yikegional Supervisor:
. Permits & Engineering:
c5'C
ce4nrck' " Si 9h ri
;ry r�(f a nu (Ova /let
Cou„ v rPp 4
RETURN TO TECHNICAL SUPPORT BY:
e e„, PZ (""
v %dui- S OW" /: � ✓ y
Dam:-11#
Date:
Date: ci(so tr
Date: / Z1/1/9.5---
JEC 3 1995
1-- a „„,y„yiad S�

2
CONVENTIONAL PARAMETERS
Existing Limits:
Wasteflow (MGD):
BODS (mg/1):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (4/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/1):
*Based on a quarterly average of weekly samples.
Recommended Limits:
Wasteflow (MGD):
BODS (mg/I):
NH3N (mg/1):
DO (mg/1):
TSS (mg/1):
Fecal Col. (/100 ml):
pH (SU):
Residual Chlorine (14/1):
Oil & Grease (mg/1):
TP (mg/1):
TN (mg/I):
Monthly Average
Summer Winter
6.0 6.0
5.0 10.0
1.0 1.8
6.0 6.0
30 30
200 200
6.0-9.0 6.0-9.0
monitor monitor
monitor monitor
�2.6-p4* 2.0*
monitor monitor
Monthly Average
Summer Winter WQ or EL
6.0 6.0
5.0
2.0
6.0
30
200
6.0-9.0
monitor
monitor
monitor
10.0 WQ
4.0 WQ
6.0 WQ
30 EL
200 EL
6.0-9.0 EL
monitor
monitor
2.0* WQ
monitor
Limits Changes Due To: Parameter(s) Affected
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
Other (onsite toxicity study, interaction, etc.)
Instream data
New regulations/standards/procedures X NH3N
New facility information
(explanation of any modifications to past modeling analysis including new flows, rates, field data,
interacting discharges)
(See page 4 for miscellaneous and special conditions, if applicable)

3
Type of Toxicity Test:
Existing Limit:
Recommended Limit -
Monitoring Schedule:
Existing Limits
Cadmium (ug/1):
Chromium (ug/1):
Copper (ug/1):
Nickel (ug/1):
Lead (ug/l):
Zinc (ug/l):
Cyanide (ug/l):
Mercury (ug/1):
Silver (ug/1):
TOXICS/METALS
Chronic (Ceriodaphnia)
Quarterly P/F @ 90%
Renew with existing limit
Feb., May, Aug., Nov.
Recommended Limits
Cadmium (ug/1):
Chromium (ug/l):
Copper (ug/1):
Nickel (ug/l):
Lead (ug/l):
Zinc (ug/1):
Cyanide (ug/l):
Mercury (ug/l):
Silver (ug/l):
Chloroform (ug/1):
1,2 Dichloroethane (ug/1):
Methylene Chloride (ug/1):
Bromodichloromethane (ug/1):
Dibromochloromethane (ug/1):
EPA Method 624
Weekly Avg.
2.0
50
monitor monthly
88
25
monitor monthly
5
0.012
monitor monthly
Daily Max.
5.0
200
352
34
15
0.048
Monthly Avg. Weekly Avg.
2.0
**
monitor monthly
monitor monthly
monitor monthly
18.0
1.2
14.8
0.85
1.3
monitor quarterly
**Parameter will continue to be monitored through LTMP
Limits Changes Due To: Parameter(s) Affected
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
New effluent data / Updated toxicant analysis X Cr, Organic Toxicants
Failing toxicity test
Other (onsite toxicity study, interaction, etc.)
X Parameter(s) are water quality limited. For some parameters, the available load capacity of
the immediate receiving water will be consumed. This may affect future water quality based
effluent limitations for additional dischargers within this portion of the watershed.
25
25
5
0.012
Daily Max. CcJ d I1It leave
5.0
** AOFSho C
100 i h �4St /0/pu6,
34
cla5kQJd
Cyr rP.J
Il16� /Th!5
OR
15
0.048 tTewtovJ sr
cedtAced
Qer rwt`+
No parameters are water quality limited, but this discharge may affect future allocations.

4
INSTREAM MONITORING REQUIREMENTS
.:Upstream Location: NCSR 1102
Downstream Location: 1) NCSR 1100, 2) NCSR 1732
Parameters: Temperature, DO, Fecal Coliform, Conductivity
MISCELLANEOUS INFORMATION & SPECIAL CONDITIONS
Adequacy of Existing Treatment
Has the facility demonstrated ability to meet the proposed new limits with existing treatment
facilities? Yes No
If no, which parameters cannot be met? CArri c- `D
Would a "phasing in" of the new limits be appropriate? Yes No
If yes, please provide a schedule (and basis for that schedule) with the regional
office recommendations:
(i)LAAA fect,,,L *5 Orie V ec C /e'er
` \ 1 / 4 QA'Iii-55
bl' t ►, , c 7M � � i h D/'c ��
vq,c A L ff-a /Jr4.7 /i ea Tam
If no, why not?
Special Instructions or Conditions
The permitee shall submit the results of an EPA Method 624 - Purgeable Organics test or
equivalent performed on a representative sample of the effluent discharge taken after final treatment
(required quarterly).
Quantitation shall be required for all compounds named in the EPA Method 624 (if detected) and othe
significant levels of organic chemicals shall be identified and approximately quantified. For the purpose
implementing this requirement, the 10 largest GC/MS peaks not identified as one of the target compound
-fewer than 10, if less than 10 identified peaks occur) should be identified and approximatile quantified.
Wasteload sent to EPA? (Major) 'y/ (Y or N)
(If yes, then attach updated evaluation of facility, including toxics analysis, modeling analysis if
modeled at renewal, and description of how it fits into basinwide plan)
Additional Information attached? f (Y or N) If yes, explain with attachments.
1. Map of immediate area of Jordan Lake headwaters.
2. Summary table of detectable organic toxicant data.
3. Toxicity test fact sheet.

Facility Name au r hU m Go , — I n.a r� c1 e� 1,3 Permit # /JC C 2LO 0 I Pipe # D n
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure (North Carolina Chronic Bioassay
Procedure - Revised *September 1989) or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality
is % (defined as treatment two in the North Carolina procedure document). The permit holder shall perform
Quarterly monitoring using this procedure to establish compliance with the permit condition. The first test will be
performed after thirty�s from the effective date of this permit during the months of
May / 4„� , J. . Effluent sampling for this testing shall be performed at the NPDES
permitted final effluent discharge below all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form (MR-1) for the month in which it was performed, using the parameter code TGP3B.
Additionally, DEM Form AT-1 (original) is to be sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in
association with the toxicity tests, as well as all dose/response data. Total residual chlorine of the effluent toxicity
sample must be measured and reported if chlorine is employed for disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits, then monthly monitoring will
begin immediately until such time that a single test is passed. Upon passing, this monthly test requirement will
revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of
Environmental Management indicate potential impacts to the receiving stream, this permit may be re -opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival and appropriate environmental controls, shall constitute an invalid test and will require immediate
retesting(within 30 days of initial monitoring event). Failure to submit suitable test results will constitute
noncompliance with monitoring requirements.
7Q10 0, 0 cfs
Permitted Flow 6 . o MGD Recommended by:
IWC /on %
Basin & Sub -basin 0-0(o-05
Receiving Stream /Jo rf ea s,t ore ek
County AA/41 In
Date /i q/pis
QCL PIF Version 9/91

• -00

047557 O1SCH46E "10. MONTH:AP?IL YEAR: 1386
•RRINSTON ROAD WWI.? CLASS:PI COUNTY: DUSHAN
NSi; CHARGE ;iiiiC;: 14iLLIr;11 W. TELFORD Jr.
RATORY: FARRINGTON R0A0 :v;1iTP
IF ORC HAS C±iAlii;EO 1 PERSONisi COLLECTING 3A'siPLES: ISAIAH 0. BBARTLET T
,
171900 01042 01034 01067 01027; 010511010921
, 1
:0i
1 A 1 Hg 1 Cu : Cr : Ni 1 Cd . Pb : Zn 1
1 1
1 1 T; 1 1 1 1 I 1
1 1 1 I 1
E :ugi1 : ugil : uq/L : ugii 1 uq/1 : uq/1 lug/1 :
,11 1 1 1, 11 ,
� 1 1 1
I; 1 1
1 1 1 I
2 : :< 50 :< 100 1< 100 1< 100 :< 100 ; 161 :
, 1 1
3 1 0.5 1 1 1 1 1 1
1 7 1 1
1 I 1
, 1 1 .1 t
1 5: 1 1 1 ,
: 0 : 0.3 :1. 50 :< 10U 1< 100 :< 100 1< 100 : 104 :
: 7 : 0.4 : : : i : : I
:8: 0.7 1
i
: 4 1 0.5 : 1
:10 : 1.8 1 1 1
:11 1 1 1 1 1
1 1
1 2 7 1 ,
1 I 1 : :
1 1 i
:13 1 0.4 : 1< 100 :< 100 :< 100 :< 100 : 74 :
114f 1 , 1 1
1 0.1 , 1 1
:15 1 0.2 1 ,<
11b 1 15.5 : : :
:17 : 0.7 :< 50 ; :
:1 , 1
1 1 1 j 1
18 1
ii
11q ,
I
:J : 0.1 1 : 1 ; :
:21: : 1
1
0.2
:23 : 16.2 1< 50 :< 100 1<l100 :< 100 1< 100 1 111 1
:24 : 1.3 1 1 1 1 1 1,
1 1 1
:75 , �C 1 1 1 1! :
1 1 1 1
:2b 1 :
1 1
:27 : 0.3 : 1 1
:31 1.01 1 1 1 : :
124 1 0.3 1< 50 1< 100 1< 100 1< 100 1< 100 1 132 1
:30 1 0.4 1 1 1 1 1 1 :
1
:31 1 1 1
j : 1 2.04 1< 50 :< 100 1< 100 :< 100 :< 100 : 116 :
116.24 :< 50 1< 100 1< 100 :< 100 1< 100 1 161 1
1 0.11 1< 50 :< 100 :< 100 1< 100 1{ 100 : 74 :
: C1 C: C1 C: C: CI C:
1 1 I

DURHAM CO. -TRIANGLE WWTP
PRIORITY POLLUTANT DETECTIONS REPORTED SINCE 1992
POLLUTANT
SAMPLING DATE
CONCENTRATION
EPA Criteria
ALLOWABLE LOAD*
(all carcinogens)
(ug/I)
(Water Consumption)
(ug/I)
CHLOROFORM
8/18/95
5.3
5.7 •�f
1 8
7.4
7.2
5/18/95
2.7
2/1 /95
7.7
9/15/94
3.1
5/8/92
9.4
METHYLENE CHLORIDE
8/18/95
3.8
4.7./
14.8
5/18/95
15.9
15.9
2/1 /95
27.8
19
1,2 DICHLOROETHANE
2/1 /95
1.6
0.38
1.2
BROMODICHLOROMETHANE
9/15/94
3.2
0.27 (0.56)
0.85
DIBROMOCHLOROMETHANE
9/15/94
2.3
0.41 ,/
1 .3
TOLUENE
5/18/95
1.3
6800 ✓•
21,400
2/1 /95
2
*Allowable Toads are bsed on mass balance analysis at average flow conditions.

TOXICANT ANALYSIS
Facility Name
_Dur_ha_m-Triangle WWTP _
NC0026051
NPDES #
Qw (MGD)
6
7Q 10s (cfs)
0
!WC (%)
100.00
Reeving Stream
Northeast Creek
WS-IV
Stream Class
FINAL RESULTS
Cadmium
Max. Pred Cw
0
Allowable Cw
2.0
Acs..X. OLSc.- RA
: K.ri
Chromium
Max. Pred Cw
8.4
Allowable Cw
50.0
Nickel
Max. Pred Cw
28
Allowable Cw
25.0
Lead
Max. Pred Cw
0
Allowable Cw
25.0
MM
/fl Obser,ed
: ;25,0
Cyanide
Max. Pred Cw
0
Allowable Cw
5.0
/11C.x. ab5eraed:
a7.6.
Mercury
Max. Pred Cw
0
Allowable Cw
0.0
/Am D, jcrd ed
: U • S
Copper
Max. Pred Cw
0
Allowable Cw
7.0
Inc ObsofJect
it D
Silver
Max. Pred Cw
0
Allowable Cw
0.1
/It ob6e.rJcd
— 0
Zinc
Max. Pred Cw
0
Allowable Cw
50.0
J \ x 605etuIA
!3(v,o
�— Ob,5e,rued 7 41/00.ble.
L;m,i e ddd
Pre.dsd-edl. 4/Io,34b/
i"eJe r¢ -to Limp
(,;1 v - ✓leedeal
.�- 01)5e,rAdo ,, 1.
Ciro + needed
`�- Ob. erve.I >4�
l(o,1b1e-
(4 • steed
(-bserJg-o( 7 fllloc b e
L�.Y►, needed
11 /8/95
PAGE'

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1

FAX COVER SHEET
Monday, October 30, 1995 09:57:34 AM
To: DEM
Attention: Mr. Jason Doll
Fax #: [phone]
From:
Fax: 1 page and a cover page.

FAX TO: Jason Doll, NC DEHNR/DEM FAX # [phone]
EFFLUENT LONG TERM MONITORING INFORMATION FOR 1994
DURHAM COUNTY TRI.ANGLE WWTP NPDES NC0026051
FAX Includes One page
FROM: Sherry Bagwell, City of Durham
Analysis
Units
March 15, 94
May 19, 94
Sept. 6, 94
Dec. 28, 94
Ammonia
mg/1
4.2
0.3
0.1
0.1
BOD
mg/1
5
2
1
3
T. Phosphate
mg/1
1.6
0.4
0.4
1.0
TSS
mg/l
10
4
4
7
Cadmium
ug/1
<1
<1
<1
<1
Chromium
ug/1
<5
<5
<5
<5
Copper
ugil
11
8.5
<5
87
Lead
ug(l
5.8
<5
<5
<5
Mercury
ug/1
<0.2
<0.2
0.12
<0.2
Zinc
ug/1
183
132
65
106
Nickel
ug/1
26
<10
<10
<10
Silver
ug/1
<1
1.3
<1
<1
Chlorides
mg/1
92.2
115
75
48.5
Fluoride
mg/1
1.1
1.2
1.0
0.8
Arsenic
ug/1
<5
<5
<5
<5
Molybdeum
ug/1
32
42
37
63
Selenium
ug/1
<5
<5
<5
<5
CC FAX: Nathan Rohner FAX # [phone]

r'LUENT TOXICITY TESTING Of SELF -MONITORING SUMMARY) Thu, Aug 17, 1995 x I Nfly DU
JAN FED MAR API'. MAY JUN AIL AU (i SIiP
.a-
supanl•Brevard PERM CDR LIM:15%
NC0000337/001 Begin:10/1/89 Frequency: Q PA' A Tan Apr Jul Oct
County:Transylvania Region: AR() Sultbasin:I'RBOI
PI': 2.00 Special
7010: 18.0 I W C('9l. 1.1(.8 ONer.
REO(1IRF-MI'NT
NonComp:
91 Pass - - Pass - - Pass - - Pass
02 Pass - - Pass --- Pass -- - Pass
-- -••
93 Peas --- --- Pass Pass Pass Pass
---
94 Pass --. -.. Paso -- -- -
- Leis
05 NIUI'uss Fad Ina Fall Fall
Fat
Durham Ca.-Tri.ugle WWTP I'IiKM CIIR LIM:90%
NC0026051I00I Begin:4/30/91 hrcyucncy: Q PA' A 1'eb May Aug Nov NunCwnp:SIN(i1Jl
County:Dulluun Region: RR() Subhnsitt:CPI'05
PP: 3.0 Special
7Q10: 0,00 IWC(%): 100.00 Order:
Durham -Farrington ltd. WWTP 1'17tM CUR LIM:90%
NC01347597/001 Begin:4/INN li quenty: Q PJP A Oct Jan Apr Jul NonComp:
County: Durham Hcgion: IOU) Suhlra,in: ('P1:OS
PI': 20.00 Spsclal 7/91.4/8/95: JOC al, 99% MO MONFI'
7Q10: 0.15 IW(P .l:99.52 Oder:
Durham-Nartlulde W W 11' PI Ittii 1'1111 I.IM-401. Y 91 Pnss Pass Pnss Pans Pese Pass 3-Pees Fail,f,F Fail Puss Pass Pass
NC002J841/00I IJegm:S/J/9.1 I'naptelcy: Q 191' A Ike Jan Ala Jul NauCwup:SIN(1IJ! 92 Pass Pass I n11 Pass 1 'a,a Pass Voss 1 eta fans Inn Pass Pnss
County:Dwtiam Region:IRO Subbasin:NLBJ01 93 Pass Pass Pass Pd. NW>99 Pass >99 >99 >99 >99 >99 Pass
PP' 100 SPeclsl 71Y 1, 4/NNS UK' (4'07% MO MI)NFF 94 >99 >99 >W >B0 >99 >B9 Fan Pass Late Pass Pass Pass.Pess
'MID 11.1115 I W l'1'A.):99.5
lsdw' Ut. 1 a/ Paso Pass Pees
y 91 Pass Pass Puss Pass Pass Peso
02 -- Pass --• •-• Pane -- -- Paes
93 - Pass --- N11/Fa0 NI Nl Fes
04 -• Fall Pass DI.I'sss --- .-. Pass
95 - Lam Pass - Full Pass
Pans
Pnss
Pess
Pas,
Cale Fali,Pass
Pas,
E. I. Dup.. 1)e Nemours/Kinston Fee. PERM l•IIK I.1M:IA'L
NC0003760/001 Dcgin:7/IN4 Frequency: Q PA' A Jan Apr Jul Oct NunCump:SINULLI
County: Lemon' Region: WARO Subbasin: NLiU05
PF: 3.6 Special
7Q10' 283.1 IW(•(C(-r 19 order:
F:.1. Dupont Denennuura/001 PERM: 2411kPA' ACLIM90%Irmo 9t --
NC0000663/001 Begin:6/IN4 Frequency: Q A Jan Apr Jul Oct NonCompSINGLI: 92 --
Coumy•flmuswiek Region- WINO Sull,nsin• CPI'17 03 -.-
1'I°. 2,3 Special u4 -
7QI0:918 IW(•(%)0.38 (hskt: 95 Possl
01 -
y 91 Pass Pass Pass Pass Fat Pass Pass Paee.P Peas Pass Peas
Pass
92 Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass DI
93 PUSS Pass Pnss Fad N11,99 Pass >90 40 07 >09 >00 >99 Pane
94 90.8 80.8 80.8 >99 >99 >99 Fa/ Pass LaIu.Latu Puss Pass Puaa.Pusa
95 fu0 Pass Pass Paes --•
- ... -_ ._
- -
-
- ... --- •--
04 -• -
Pass,Pass
95 Pass -- Pass --- -- Pass
Pa- ss
1:aBIe Snacks, Ine•001 PERM CIIR LIM:58%
NC0051195/001 Ikgin:4/IPM Iivspcnay: Q PA' A Iih May Aug Nov
('only: Mania Region: WAKO Suhbaain: TAKOO
I'I': 0.30 Sla'rlal
/t) I1F 11.1.1 I WI -I'4•F Ss 1 M4r
NuuConns:
Pass! ... -.. I 'nsal
Punta
Fat Pass - Pass
Pass -- Nl
Para - Puns
I.810.1 =In Pews LaIo,Pnas
Psaa
Pass
Puss -•- •-• Pass
Pass
fuse -•- --- Pass
Ketosis Division I'I1IM 1'11k I.IM:21'e• ((MAD)
N(18101078/001 Begin:'l/I/94. 14cqurta•y: Q I'A' A Jan Apt Jul 1h•1
1' y. Transylvania Region: A141) SuhI aim: Ili B(II
l'I': 1 /.5 sinews
71)10 154 IW('I'J4 22 thJer.
NunCunpt:S?N(ill(
111 Psaa -.- I'naa
02 fans -- Pans
03 Pass --- Pass
04 1ne In0 111 I100.1 u0
05 rusts --- --- funs
kden WWTP/Mebane Bridge PERM CUR I.IM:6%
N('002507I/00I Begin: 5/1/93 Fmpa'ucy: Q 191' A Mar Jun Sep Dec N.a ('ouyt:SIN(11J(
County:kockinghant kegion: WSKO Suhbusin: ROA03
PF: 13.5 Spacial
order
7(110- 111.0 IW('('L):6.0
Pass
P asa ... fans
I'ass --- --- Pass
Puss --- --- Pass
Pnas ... .-. Pnas
Nt Pose - N7 Pass --- N1 Puss --- NI Pass
Puss/83.6' -- NI Fan Pass N1 Pass --- Ni Pass
93 -- N3 Pass -- - Pass -.- Pass .-- --- Pass
D4 - -- Pass - Pass .-- -- Pass -.- Pass
n5 ... --' Pass --- --• Psss
1'IiKM. 24 IIK PA, AC I.IM 907E F17(D 91 •-- N' •-• >90'
Eden -Dry Creek WWII' - Ni
M20025151/001 Began:ll/IN)2 Frequency:Q A Mar JutnSep 1)ee NonCoiup:SIN(i1J1 92 - N1 --
93 -- Passl Pass!
Comit
IT:0.4 ._ Ps
5
y:Kockinghum Region: WSS() Sullusw: KUAO) -- ... Paul
Panel
SpecuPass' --- Puss
I'P:0.
7Q10: 313 IWC(%) 0.24 Onler:
M:llxabrlb Clly W WTI' l'I!KM: 241111 I'/I' A(' I.IM 9f1'Ih
NCl/025011/001 Begin:1/IP13 Hasps-Hey:Q A Ike Mar Jun Sep
County:l'arpnank kegion: WARD Sublrasin: (710.50
IF:2.50 Special
7Q10: 111)A1. IW(3%1NA Order.
91 -
NonCouq,:SIN(i1di 02 --
90.0'
>90' -.. ... >90'
710' --- --- Passl
Pass! -- Passl
Pewit --- •-- NR/Pass
- 15.2,NON .-- N N ... ... N
N ---
>00 >00 ... .-. >100
>I00 >100 ... F,III,Pusal -•• Passl
Pass! --- Passl - Faill,Pussl --• •-- Puss!
-- Passl - - Pass
0 2 consecutive failures a s,gn,Grent noncompliance Y Pre 1991 Data Available
L)911091)i
PERM = I'c,nlii Regaimmt. I.I,F = Adn,ioIona ivc Lauer - Target I'reyucncy = Monilnring frega•ncy: Q- Qu:ulcrIY: M• Monthly: BM- Di,nwnldy: SA- Scmuwnwdly: A- Annually: OWI)- ()sly when disc1utrgingt IT Discontinued nmnitonug n•quia•nsen1. IS- ('unducting tin kle-inkut study
Dcgin = First nrrnth IuuireJ 7QI0 = Receiving stream low flow criterion (efs) A = gwutrrly nuanioriog inerea1C» to monthly upon single failure Months that Leming oust occur - ex. JAN,APRJlJI„()Cf NonComp a Cumsu Compliance Requirement
P1' = Permitted flow (M(ie) IWC% = Insucam waste concentration I'/V = Pass Fail chronic test A(' = Aeulc CI1k = Cluooic
hats Nolslins: (- Fads -ad Minnow: • - Cen.slamhni,w.: my - MveiJ abrinm. (IN • Chronic value: P - Mortality of stated Lcrccntaec at hielcsl concentration: al - Performed by DIEM Tox Eva] Groan: N • Dam test (_ (MC signawc needed
Nwsli,n. - Own w4 ,..putnd. Nk • N.4 lrissln), 4 ) 11.•K . it of ()WNW facility Aruvuy Statue 1 lost uvr, N Newly Isucf('Ib consular); 11 . Arnivc tut Wa dc t'mt.rgutg, I. Mtjam svailehk fur .wino to qui-state
IN

CAPE FEAR RIVER BASIN
NAME OF STREAM
MOORES CREEK
MORGAN BRANCH
MORGAN CREEK
MORGAN CREEK
MORGAN CREEK
MORGAN CREEK
MORGAN CREEK
MORGANS CREEK
MORRIS BRANCH
MORRIS POND
MOTES CREEK
MOTT CREEK
MOTT LAKE
MOTTS CHANNEL
MOUNT PLEASANT CREEK
MOUNTAIN CREEK
MUD CREEK
MUD LICK CREEK
MUDDY CREEK
MUDDY CREEK
MUDDY CREEK
MUDDY CREEK
MUDDY SLOUGH
MUDDY SLOUGH
MULBERRY BRANCH
MULBERRY BRANCH
MULFORD CREEK
MULLATO BRANCH
MULLATTO BRANCH
MULLET RUN
MURPHEYS CREEK
MYRTLE SOUND SHELLFISH AR
NAHUNGA CREEK
NAHUNGA CREEK, NORTH FK
NANCY BRANCH
NANCYS CREEK
NATMORE CREEK
NEAL BRANCH
NEALS CREEK #
NEALS CREEK #
NEILL CREEK
NEILL CREEK
NEILLS COON BRANCH
NESS CREEK
NEVILLE CREEK
NEVILLE CREEK
NEW HOPE CREEK
NEW HOPE CREEK
NEW HOPE CREEK
NEW HOPE R ARM OF B.E.J. LK
NEW HOPE R ARM OF B.E.J. LK
NEW HOPE R ARM OF N H CR
NEW KIRK POND
NEWLAND CREEK #
SUB
BASIN INDEX NUMBER
CPF23
CPF17
CPF06
CPF06
CPF06
CPF06
CPF06
CPF23
CPF05
CPF13
CPF02
CPF17
CPF15
CPF24
CPF09
CPF05
CPF05
CPF12
CPF02
CPF08
CPF14
CPF22
CPF17
CPF17
CPF17
CPF23
CPF16
CPF18
CPF13
CPF24
CPF22
CPF24
CPF22
CPF22
CPF05
CPF17
CPF16
CPF17
CPF07
CPF07
CPF07
CPF07
CPF13
CPF17
CPF06
CPF06
CPF05
CPF05
CPF19
CPF05
CPF05
CPF05
CPF22
CPF02
18-74-33-1
18-81-7
16-41-2-(1)
16-41-2-(1.5)
16-41-2-(5)
16-41-2- (5 .5)
16-41-2-(9.5)
18-74-55-12
16-41-1-17-3-1
18-20-6-(1)
16-25
18-82
18-31-14
18-87-24-2
17-16-3
16-41-1-5
16-41-1-10
17-43-6
16-11-14-1-3
17-9
18-23-26
18-74-25
18-88-7
18-88-8-2-1
18-70-3
18-74-55-7
18-47
18-68-12-8-2
18-20-3-1
18-87-9-1
18-74-29-0.5
18-87-31
18-74-19-13
18-74-19-13-1
16-41-1-17-3-2
18-88-1-3
18-60
18-66-8
18-16- (0. 3)
18-16-(0.7)
18-16-(0.3)
18-16- (0.7)
18-20-13-3-3
18-74-62
16-41-2-2-1-(1)
16-41-2-2-1- (2)
16-41-1- (0 . 5)
16-41-1- (11 .5)
18-68-3-1
16-41-(0.5)
16-41-(3.5)
16-41-1-(14)
18-74-29
16-25
21
MAP
NUMBER CLASS
I28NW5
K26NE5
D22NW3
D22NE7
D22NE7
D22NE8
D22SE3
J27NW7
D23SW6
F22NW9
D21NE2
K27NW9
G22SW5
K27NE2
D2OSE4
D22NE1
C23SW7
D21SW5
C19SE6
D19NW9
F22SE8
H27SE2
L27NW7
L27NW7
J26SE5
J26NE6
I24SE3
H24NE6
F22NW8
J28NE7
H26SW3
K27SW6
G26SE8
G26SE6
D23SW2
L26NE3
J25NE9
J26SE1
E23SE9
E23SE6
E23SE9
E23SE6
C SW
C SW
WS-II
WS-II
C NSW
WS-IV
WS-IV
C SW
WS-IV
C
C NSW
C SW
C
SB #
WS-III
C NSW
C NSW
WS-III
C NSW
C
C
C SW
SA
SA
C SW
C SW
C
C SW
C
SA
C SW
SA
C SW
C SW
WS-IV
SC SW
WS-IV
C SW
C
WS-IV
C
WS-IV
NSW
NSW CA
NSW
NSW CA
NSW
NSW
HQW
SW
F22SW9 C
J27SW8 C SW
D22NW9 WS-II NSW
D22NE7 WS-II NSW CA
C22SW9 C NSW
D23NW4 WS-IV NSW
H26SW7 C SW
D23SW4 WS-IV&B NSW CA
D22SE6 WS-IV&B NSW CA
D23NW7 WS-IV NSW CA
H26SE4 C SW
D21NE2 C NSW

aifititae
_
VOy `'`-6 rornode
�1a i`1,�o ro to cry
rbroirOCAla(Dne-lane.
S/i ;2 e214 CA (e roforrvi
eAr
.- J�r11�a
Ak cp —2 o (
Co-4c
},5 (1 /
/4yL
1,4m 5 c.,a, (c.
'de . f __c e4C f'1O e '►S 0.6 �%► /�' tt__----___- _
&2725u#17 i mrkt-_ drrXe-4d- Cree4
I, j .�.. .
1/105o-Corn'l
?a
M*hylene diJor;der
5/ (5 S L;;\ Ch Iqfpforial
I � � /1 4t,,(ene; Gh/orid�
\Pa
--)/ I 011or
CvitI oroTo,-
Cayi
37rL
`( �5(�
LtAi./L
2 7 A!L
76illL

LONG TERM MONITORING PLAN REQUEST FORM
FACILITY: D CA (r q w• -v-1 et IA 01 se
NPDES NO.:
EXPIRATION DATE:
REGION: R co
P&E REQUESTOR
PRETREATMENT CONTACT: I r
DATE:
VDICATE THE STATUS OF PRETREATMENT PROGRAM:
1) THE FACILITY HAS NO SIU'S AND SHOULD NOT HAVE PRETREATMENT LANGUAGE.
2) THE FACILITY HAS G A PREATREATMENT PROGRAM.
3) ADDITIONAL CONDITIONS REGARDING THE PRETREATMENT PROGRAM ATTACHED.
PERMI I I EU FLOW:
% INDUSTRIPL
/0 DOMESTIC
pQrI,,c fred S j t( Now
GEC a I �l iil NO,
w
asOi''
= 1. 31 C yvl c, l
L ThA 12416 f 9L{
PC C•3 lar2-e5 r u
ruz., , a.4.6, )
foCs Dom, A. n 3 , c-14,
ro G, - As , ivl e 1
Po Cs Dm
eon, rs s , Cot , iiL Cam P6,
14t
S�-
P,. - , P +
C , o_g - fro .
Farr 51114 - 6 f i.� 62_ G %
o,._ 2) rti 12 s a a-Q,, . Q.a0/2-6 wza-Q h e
c6crt, LT P -t- wt 12 • d cv ol,ux,

DC-TWWTP Metals '94-95
Cd
Cr
Ni
Pb
CN
Hg
Cu
Ag
Zn
5
7
20
25
27
0.5
18
5
136
5
6
20
20
23
0.2
18
5
110
5
6
20
11
15
0.2
13
5
108
5
5
10
6
12
0.2
13
5
96
5
5
10
6
12
0.2
13
<5
94
5
5
10
6
11
0.2
13
<5
92
5
5
10
5
11
0.2
13
<5
83
5
5
10
5
11
0.2
13
<5
81
5
5
10
5
10
0.2
12
<5
80
<5
5
10
4
10
0.2
12
<5
80
<5
5
10
4
10
0.2
11
<5
76
<5
<5
10
4
9
0.2
11
<5
75
<5
<5
<10
4
8
0.2
10
<5
70
<5
<5
<10
4
8
<0.2
10
<5
56
<5
<5
<10
4
8
<0.2
9
<5
56
<5
<5
<10
4
7
<0.2
9
<5
55
<5
<5
<10
4
7
<0.2
9
<5
49
<5
<5
<10
3
7
<0.2
8
<5
41
<5
<5
<10
3
7
<0.2
8
<5
40
<5
<5
<10
3
7
<0.2
7
<5
0.96
<5
<5
<10
3
7
<0.2
7
<5
<5
<10
3
6
<0.2
6
<5
<5
<10
3
6
<0.2
0.2
<5
<5
<10
3
6
<0.2
0
<5
<5
<10
3
6
<0.2
0
<5
<5
<10
3
6
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
2
<5
<0.2
<5
<5
<10
<2
<5
<0.2
<5
<5
<10
<2
<5
<0.2

POTW NAME =
Durham County
NPDES/NONDISCHARGE PERMIT # =
NC002605 I
SAMPLE LOCATION =
Effluent Discharge
SAMPLE DA"I 1
POLLUTANT
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
130i)
m,2 1
Chloride
mg/1
CN
mg/I
Fluoride
mg/1
Ammonia
mg/1
Nitrate+Nitrite
mg/1
TSS
mg/1
T.Phosphorus
mg/1
COD
mg/I
1/26/95
2.3
91
0.012
1.1
2.8
12.6
I.
2.48
32
2/24/95
4.63
121
<0.005
0.7
0.4
11.1
8.9
1.22
34
3/23/95
7.42
101
0.01
0.9
0.4
10.1
7.5
1.38
16.7
4/20/95
2
75
0.014
0.8
0.2
9.2
4
0.4
<10.0
5/4/95
2.05
95
0.014
0.8
0.1
18.7
2.89
0.43
20.6
6/15/95
3.27
84
<0.005
0.8
0.1
19.3
8.08
0.91
25.5
7/27/95
4.21
89
0.028
0.9
0.1
13.2
<1.0
0.18
31
8/11/95
3.6
96
0.011
1
0.4
19.2
1.6
0.61
25
9/8/95
1.9
88
<0.005
I
0.3
13.2
36
0.18
23
TOTAL =
# VALUES =
9
9
`>
9
9
9
9
9
9
AVERAGE =
3.486666667
93.33333333
0.014833333
0.888888889
0.533333333
14.06666667
8.83375
0.865555556
25.975
MAXIMUM =
7.42
121
0.028
1.1
2.8
19.3
36
2.48
34
MINIMUM =
1.9
75
0.01
0.7
0.1
9.2
1.6
0.18
16.7
Page 1
E ffl u. frm

POTW NAME =
Durham County
NPDES/NONDISCHARGE PERMIT # _
NC0026051
SAMPLE LOCATION =
Effluent Dishcarge
SAMPLE DATE
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT =
POLLUTANT 'POLLUTANT
Se
mg/1
=
Zn
mg/1
Ag
mg/1
As
mg/1
Cd
mg/1
Cr
mg/1
Cu
mg/1
Hg
mg/1
Mo
mg/1
Ni
mg/1
Pb
mg/1
1/26/95
<0.005
<0.005
<0.005
<0.005
0.011
<0.0002
0.03
<0.01
<0.002
<0.002
0.126
2/24/95
<0.005
<0.005
<0.001
<0.005
0.011
<0.0002
0.04
<0.01
<0.002
<0.002
0.115
3/23/95
<0.005
<0.005
<0.001
<0.005
0.013
<0.0002
0.05
<0.01
<0.002
<0.002
0.095
4/20/95
<0.005
<0.005
<0.001
<0.005
0.009
<0.0002
0.04
<0.01
0.002
<0.002
0.088
5/4/95
<0.005
<0.005
<0.001
<0.005
0.009
<0.0002
0.04
<0.01
0.007
<0.002
0.102
6/15/95
<0.005
<0.005
<0.001
<0.005
0.009
<0.0002
0.04
<0.01
0.002
<0.002
0.081
7/27/95
<0.005
<0.005
<0.001
<0.005
0.011
<0.0002
0.04
<0.01
<0.002
<0.002
0.103
8/11/95
<0.005
<0.005
<0.001
<0.005
0.008
<0.0002
<0.04
<0.01
0.002
<0.002
0.113
9/8/95
<0.005
<0.005
<0.001
<0.005
0.008
<0.0002
<0.04
<0.01
0.002
<0.002
0.093
TOTAL =
# VALUES =
9
9
9
9
9
9
9
9>
9
9
9
AVERAGE =
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
0.009888889
#DIV/0!
0.04
#DIV/0!
0.003
#DIV/0!
0.101777778
MAXIMUM =
0
0
0
0
0.013
0
0.05
0
0.007
0
0.126
MINIMUM =
0
0
0
0
0.008
0
0.04
0
0.002
0
0.081
Page 1
metals.eff

June 1988 - A time -of -travel dye study was conducted on a 5.0 mile reach of New Hope
Creek from the outfall pipe of the Farrington WWTP to the mouth of New Hope Creek, at
Jordan Lake. Data collected: time -of -travel dye study, flow measurements, and chlorides.
New Hope Creek - Durham Co.
Durham Farrington WWTP
August 1988 - A water quality study was done on New Hope Creek from the effluent
channel of the Farrington WWTP to the New Hope arm of Jordan Lake. Data collected:
field parameters, nutrients, solids, chlorophyll, BODIt, and flow measurements.
New Hope Creek - Durham Co.
Durham Farrington WWTP
October 1988 - A time -of -travel dye study was done on a 2 mile reach of New Hope Creek
from the end of the effluent channel to above the impoundment near SR 1107. Data
collected: time -of travel dye study, and flow measurements.
New Hope Creek - Durham Co.
Durham Farrington WWTP
December 1988 - Two time -of -travel dye studies were done on New Hope Creek, both dye
studies were from SR 1107 to the mouth of the creek at Jordan Lake, a distance of 3.8
miles. Data collected: time -of -travel dye study.
LAKES ASSESSMENT PROGRAM
B. Everett Jordan Reservoir
B. Everett Jordan Reservoir (Jordan Lake) was created by the United States Army
Corps of Engineers for various purposes including flood control, fish and wildlife habitat,
recreation, and water supply. The dam was completed in 1974, however initial filling of
the lake did not occur until late 1981 as a result of legal and construction problems.
Jordan Lake is used extensively for boating, swimming, fishing and other types of
recreation. Several municipalities have approval to use water from the lake and are in the
process of constructing water treatment facilities. Major inflows into Jordan Lake are the
Haw River and New Hope and Morgan Creeks. The Haw River accounts for 70-90% of
the annual flow of Jordan Lake with an average hydraulic retention time of five days. The
New Hope arm of the lake has an average hydraulic retention time of 418 days. Maximum
depth of Jordan Lake is approximately 66 feet (20 meters) with a mean depth of 16 feet
(five meters) and a total volume of 265 x 106 m3. The surface area is approximately
14,300 acres (5,787 hectares). Jordan Lake is about five miles (eight kilometers) in length
on the Haw River arm and 17 miles (27 kilometers) long on the New Hope Creek arm
with a 150 mile (241 kilometer) shoreline. The watershed of Jordan Lake is approximately
1,700 mi2 (4,403 km2). Land uses in the watershed include forest, agriculture, and urban
centers with much of the area undergoing development for industrial and residential
purposes. Many point and nonpoint sources discharge into the tributaries of the lake.
Monitoring and research on Jordan Lake has been performed extensively by state and
university researchers since the lake was filled. Monitoring of the lake by DEM began in
1983. Elevated nutrient and chlorophyll a levels have frequently been found in the lake
along with periodic blooms of blue-green algae. Jordan Lake has been found to be one of
the most eutrophic lakes in North Carolina.
Jordan Lake was most recently sampled on September 7, 1993. Mean dissolved
oxygen ranged from 7.8 mg/1 at the surface to 4.0 mg/1 at the bottom. However, an
elevated dissolved oxygen reading of 10.2 mg/I was recorded at the sampling site on the
Morgan Creek arm of the lake. Mean water temperature ranged from 28.0°C at the surface
to 25.9°C at the bottom. Mean surface pH was 7.9 s.u. and mean surface conductivity was
159 µmhos/cm, with the two highest readings (180 µmhos/cm and 271 µmhos/cm)

observed on the Haw River arm of the lake. The second of these two measurements was
the highest lake conductivity observed in the Cape Fear River basin. Nutrient levels were
elevated with highest levels generally found in the upstream areas of the lake on the Morgan
and New Hope Creek arms. Violations of the state chlorophyll a standard were found at
CPF086C (48 µg/1) in the Morgan Creek arm, and at CPF081A1C (55 µg/1) in the New
Hope Creek arm. At site CPF086F, the percent oxygen saturation was at 131%. Physical
measurements indicated stratified conditions at the deeper stations with anoxic conditions
found below six meters. All fecal coliform bacteria levels were below the DEM laboratory
reporting limit of 10/100 ml. Total solids concentrations were highest at stations near the
headwaters of the lake due to the proximity of point and nonpoint sources upstream. The
NCTSI score in August 1993 was 3.7. This score is similar to past values and indicates
that Jordan Lake is eutrophic. Jordan Lake is currently classified as WS-III, IV & B NSW
CA and is considered Threatened for aquatic life, secondary contact and for overall use in
the 1992-1993 305(b) Report due to elevated nutrients.
Algal samples collected on September 7, 1993 in the Morgan Creek arm of the lake
indicated bloom conditions of blue-green algae, Oscillatoria geminata and Anabaena
species. Historically, summer phytoplankton populations on Jordan Lake have been
dominated by these small, filamentous, blue-green algae.
Historic monitoring data indicates that Lake Jordan has remained eutrophic since 1982
and that the NCTSI parameter values have remained consistent. From 1986 through 1989,
chlorophyll a concentrations remained high in Jordan Lake. Algal populations consisted of
a diversity of chlorophytes, bacillariophytes, cryptophytes, cyanophytes and
euglenophytes, with cyanophytes primarily dominating the summer density estimates. The
highest algal growth and chlorophyll a values have been found in the shallow, upper
reaches of the New Hope River arm of Jordan Lake. Lowest overall phytoplankton
densities and biovolumes, and resultant chlorophyll a values were found in the downstream
station, CPF0880A. The near dam station (CPF055E), contained moderately low levels of
algae, although not as low as CPF0880A, due to additional pulses of nutrients from the
Haw River arm.
Jordan Lake was also sampled to determine its capability to support algal growth via the
Algal Growth Potential Test (AGPT) in 1989. Two sites were sampled, and results
indicated that there were sufficient amounts of available nutrients to support algal growth
rates in excess of levels equivalent to 57 µg/1 chlorophyll a at both sites. The control
Maximum Standing Crop (MSC) at one sampling site was 17.56 mg/1. The MSC was
41.26 mg/1 with the addition of phosphorus and the MSC was 15.03 mg/1 with the addition
of nitrogen. At the other sampling site, the Control Maximum Standing Crop (MSC) was
6.84 mg/l. The MSC was 7.46 mg/1 with the addition of phosphorus and the MSC was
24.12 mg/1 with the addition of nitrogen.
Lake Date NCTSI TP TON CHLA SECCHI
Jordan Lake 930907 3.7[E] 0.07 0.49 31 0.4
Jordan Lake 920812 4.6[E] 0.07 0.72 42 0.4
Jordan Lake 910807 3.5[E] 0.06 0.57 26 0.5
Jordan Lake 900802 4.5[E] 0.09 0.56 40 0.4
Jordan Lake 890801 4.0[E] 0.08 0.48 45 0.5
Jordan Lake 870825 3.9[E] 0.08 0.60 26 0.5
Jordan Lake 860807 5.7[E] 0.15 0.63 1 0.5
Jordan Lake 850814 3.8[E] 0.08 0.56 33 0.6
Jordan Lake 840816 3.3[E] 0.07 0.43 56 0.8
Jordan Lake 830803 4.4[E] 0.11 0.58 40 0.6
Jordan Lake 820810 4.5[E] 0.08 0.56 80 0.6

STATION: 0209741955
NORTHEAST CREEK @ SR 1100 NR NELSON
DATE
FLOW
TEMP
DO
%SAT
BOD5
NH3N
TKN
NOX
TP
NI
PB
cls
deg C
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
ug/I
ug/l
01 /24/90
41
10
9.6
85.1
0.37
0.9
2.3
0.33
02/21/90
35
11
9.5
86.2
0.8
0.03
0.6
3.1
0.24
<10
<10
03/15/90
8
19
7.7
83.0
0.02
0.7
7.9
0.52
04/26/90
9
20
5.9
64.9
0.1
0.7
6.4
0.52
05/30/90
105
18.5
7.4
79.0
0.8
0.05
0.5
1.1
0.27
<10
<10
06/12/90
11
22
6
68.6
0.05
0.8
12
0.9
07/19/90
17
25
5.6
67.8
0.08
0.7
0.15
0.16
08/29/90
7
27
5.6
70.3
3.3
0.12
1
11
1
<10
<10
09/21/90
4
22
5.9
67.5
0.05
0.7
18
0.92
10/22/90
7
17.5
6.2
64.8
0.05
0.6
16
0.9
11/13/90
8
13
7
66.5
1.5
0.02
0.5
7.3
0.45
<10
<10
12/05/90
24
9.5
7.9
69.2
0.03
0.5
0.8
0.22
04/04/91
18
15
7.1
70.4
0.01
0.6
5.5
0.32
05/23/91
13
21.5
5.2
58.9
1.8
0.05
0.4
3.2
0.61
<10
<10
06/10/91
5
22
6.6
75.5
0.07
0.8
12
1.2
07/16/91
0.9
24.5
5.1
61.2
0.09
0.8
8
0.33
08/06/91
18
25
5.8
70.2
0.9
0.11
0.7
10
0.88
<10
<10
09/26/91
197
20.5
5.2
57.8
0.1
0.7
0.8
0.27
10/29/91
26
17.5
4
41.8
0.02
0.7
13
0.24
11/25/91
9
12.5
5.3
49.8
0.06
0.9
11
0.22
<10
<10
12/09/91
6
13.5
7
67.2
0.06
0.7
12
0.23
01/08/92
16
6.5
11.2
91.1
0.18
0.8
3.8
0.18
02/17/92
9
8
8.9
75.2
1.8
0.02
0.8
5.8
0.29
<10
11
03/31/92
16
12
7.8
72.4
0.08
0.8
3.8
0.22
<10
<10
04/22/92
366
17
4.9
50.7
0.03
0.6
0.18
0.2
<10
<10
05/01/92
8
14
6.4
62.1
0.18
1
11
0.57
<10
<10
05/12/92
20
6
66.0
0.8
0.09
0.9
11
0.8
<10
<10
06/17/92
10
22.5
5.7
65.8
0.14
0.7
1.5
0.31
13
<10
07/08/92
12
23
8.3
96.8
0.1
1
6.9
0.18
<10
<10
08/06/92
125
23
6.1
71.1
0.05
0.8
8.1
0.09
<10
<10
09/08/92
9
24
6.1
72.5
0.07
0.7
7.3
0.21
<10
<10
10/07/92
13
16
7.1
72.0
0.05
0.5
3.8
0.83
<10
<10
11/09/92
12
11
7.8
70.8
0.07
0.6
6.1
0.16
<10
<10
12/08/92
9
8
8.9
75.2
0.32
0.8
8.4
0.14
<10
<10
01 /11 /93
19
7
11.4
93.9
0.07
0.4
0.69
0.11
<10
<10
02/08/93
12
8
10.4
87.8
0.03
0.6
6.2
0.13
<10
<10
03/16/93
36
7
10.4
85.7
0.62
1
2.6
0.18
<10
<10
04/20/93
17
17
8
82.8
0.2
0.8
5.9
0.28
<10
<10
05/13/93
9
21
5.6
62.8
0.18
1.2
10
0.64
<10
<10
06/03/93
6
21
6.8
76.3
0.19
1.3
15
0.83
<10
<10
07/27/93
11
26
5.4
66.6
0.84
3.7
6.2
1.1
16
<10
08/17/93
7
26
6
74.0
0.04
0.8
9.3
0.12
<10
<10
09/20/93
9
22
5.2
59.5
0.26
1.1
8.9
0.22
<10
<10
10/19/93
4
20
5.7
62.7
0.09
1.4
15
0.31
<10
<10
11/15/93
4
18
4.6
48.6
0.06
1.6
21
0.77
<10
<10
03/22/94
13
7.6
72.2
0.9
2.5
1.5
0.27
<10
<10
04/19/94
19
6.4
69.0
0.13
1.4
8.9
0.31
<10
<10
05/24/94
21
6.6
74.1
0.34
2
15
0.32
<10
<10
06/14/94
25
5.7
69.0
0.28
1.4
9.2
0.41
<10
<10
07/11/94
25
6.2
75.1
0.13
0.9
4.6
0.41
<10
<10
08/03/94
25
5.6
67.8
0.64
3.4
8.2
0.55
<10
<10
09/27/94
23
5.2
60.6
1.2
1.9
9
0.4
<10
<10
10/24/94
17
5.2
53.8
0.04
0.7
7
0.25
<10
<10
11/08/94
15
3.7
36.7
1.2
2
8.8
0.91
<10
<10
12/07/94
16
4.9
49.7
0.54
1.7
_ 8.6
1.4
<10
<10

Chemical Monitoring Summary Report
0(6,A) A 5.tr e-a '
NORTHEAST CREEK AT SR 1100 NEAR NELSON, NC
Page 1 of 2
Station Number: 0209741955
STORET Number. B3660000
Water Quality Class: C NSW
Regional Office: Raleigh
Topographic Map:
County: Durham
Subbasin: 030605
Drainage Area (sq mi): 23
Average Flow (cfs):
Summer 7Q10 (cfs):
Winter 7Q10 (cfs):
30Q2 (cfs):
Gage: Gage Site
® Stream
❑ Estuary
❑ Lake
® Fish Tissue
❑ Fish Community
❑ Benthic
Parameter Name
Units
STORET NC State
Code Criterion
Meri
n
Beginning Ending
Dissolved Oxygen
mg/1
00300
4
4
6.9
12
64
- LGL
64
7 '.,rjt
0
""""
1/29/88
Lall;
7/27/93
pH
SU
00400
6 - 9
5.9
6.91
8.36
64
64
1
1/29/88
7/27/93
Conductivity
µMho
00094
N/C
50
294.5
586
64
64
0
1/29/88
7/27/93
Chlorophyll a (Corr)
µg/]
32209
N/C
N/S
Fecal Coliform, MF
#/100 ml
31616
200
10
105.72
2700
17
15
6
3/31/92
7/27/93
Total Phosphorus
mg/1
00665
N/C
0.09
0.42
1.2
64
64
0
1/29/88
7/27/93
Ammonia -Nitrogen
mg/1
00610
N/C
0.01
0.07
1.1
64
64
0
1/29/88
7/27/93
Nitrate/Nitrite-N
mg/1
00630
N/C
0.15
6.65
20
64
64
0
1/29/88
7/27/93
Total Nitrogen
mg/1
00600
N/C
N/S
Turbidity
:BTU
00076
50
4.1
22
140
35
35
5
2/23/88
7/27/93
Hardness
mg/1
00900
N/C
32
67
99
33
33
0
2/23/88
7/27/93
Total Residue
mg/1
00500
N/C
180
290
410
17
17
0
2/23/88
5/12/92
Total Suspended Res
mg/1
00530
N/C
3
26.5
110
34
34
0
2/23/88
7/27/93
Aluminum
µg/1
01105
N/C
180
1000
3100
19
19
0
11/14/88
7/27/93
Arsenic
1
110
01002
50
10
33
0
2/23/88
7/27/93
Cadmium
4g/1
01027
2
2
33
0
2/23/88
7/27/93
Chromium
1.1g/1
01034
50
25
33
0
2/23/88
7/27/93
Copper (AL)
4g/1
01042
7
4
13
72
33
33
30
2/23/88
7/27/93
Iron (AL)
ug/1
01045
1000
340
1000
2700
21
21
10
11/14/88
7/27/93
Leal
µg/1
01051
25
10
10
11
33
1
0
2/23/88
7/27/93
Mercury
µg/1
71900
0.012
0.2
0.2
0.2
34
1
1
2/23/88
7/27/93
Manganese
µg/1
01055
N/C
32
97
280
13
13
0
2/2/89
7/27/93
Nickel
µg/1
01067
88
10
10
50
33
2
0
2/23/88
7/27/93
Zinc (AL)
µg/1
01092
50
10
37
980
33
31
8
2/23/88
7/27/93
Abbreviations: n=number of observations; > Det=number of observations greater than the detection limit; > Crit=number
observations greater than the criterion; N/S=No sample; N/C=No Criteria; AL=Action Level
Notes: Median values are calculated using the detection level for samples classified as below detection. The Median value
Fecal Coliform is actually the Geometric Mean value. Data includes only surface samples. Samples recorded at less than
detection are considered at the detection level for this summary.
Station Comments:
of
for

NORTHEAST CREEK AT SR 1100 NEAR NELSON, NC
Page 2 of
Summer Summary (April -October):
Dissolved Oxygen (mg/1):
pH (SU):
Total Phosphorus (mg/1):
Ammonia -Nitrogen (mg/1):
Nitrate/Nitrite-Nitrogen (mg/1):
Conductivity (µMho):
Chlorophyll a (Corr) (µg/1):
Total Suspended Residue (mg/1):
ervs > Det
Median
Maximum
Minimum
vVv YV39
39
6.1
8.4
4
39
39
6.92
8.36
6.25
39
39
0.61
1.2
0.09
39
39
0.07
1.1
0.01
39
39
7.8
20
0.15
39
39
345
586
50
N/S
20
20
44.5
110
3
Summer Summary (June -September):
Dissolved Oxygen (mg/1):
pH (SU):
Total Phosphorus (mg/1):
Ammonia -Nitrogen (mg/1):
Nitrate/Nitrite-Nitrogen (mg/1):
Conductivity (µMho):
Chlorophyll a (Corr) (µg/1):
Total Suspended Residue (mg/1):
y_f_arly Summary :
bservs > Det
Median
Maximum
Minimum
vV✓v Vvv22
22
6.05
8.3
5.1
22
22
6.93
8.36
6.25
22
22
0.58
1.2�
0.09
22
22
0.08
0.84
0.04
22
22
9.05
20
0.15
22
22
398
586
97
N/S
10
10
52
110
4
Dissolved Oxygen
Year Obs Obs>Det Median
Max
Min
1988
11
11
7
12
4.5
1989
12
12
7.65 1
12
4.4
1990
12
12
6.6
9.6
5.6
1991
9
9
5.3
7.1
4
1992
13
13
7.1
11.2
4.9
1993
7
7
8
11.4
5.4
Conductivity
1988
11
11
301
586
156
1989
12
12
257
412
66
1990
12
12
345
486
123
1991
9
9
418
481
97
1992
13
13
229
550
50
1993
7
7
227
522
66
Total Suspended Residue
1988
4
4
8.5
48
4
1989
4
4
24.5
49
5
1990
4
4
52.5
97
4
1991
3
3
38
110 _
9
1992
12
12
13.5
63
3
1993
7
7
28
91
3
Year
Obs Obs>Det Median Max Min
1988
11
11
6.99
8.36
5.9
1989
12
12
6.97
7.28
6.4
1990
12
12
7.11
7.54
6.71
1991
9
9
6.83
7.21
6.36
1992
13
13
6.9
7.09
6.5
1993
7
7
6.7
7.2
6.3
Total Phosphorus
1988
11
11
0.68
0.92
0.27
1989
12
12
0.44
1.2
0.16
1990
12
12
0.49
1
0.16
1991
9
9
0.32
1.2
0.22
1992
13
13
0.21
0.83
0.09
1993
7
7
0.28
1.1
0.11
Ammonia -Nitrogen
1988
11
11
0.06
1.1
0.03
_
1989
12
12
0.05
0.32
0.02
1990
12
12
0.05
0.37
0.02
1991
9
9
0.06
0.11
0.01
_
1992
13
13
0.08
0.32
0.02
1993
7
7
0.19
0.84
0.03

COUNTY OF DURHAM
PROJECT MANAGEMENT OFFICE
August 25, 1995
Mr. Dave Goodrich
N.C. Department of Environmental Health and Natural Resources
Permits and Engineering
512 N. Salisbury St.
Raleigh, NC 27611
Re: NPDES Application Permit No. NC0026051
Dear Mr. Goodrich:
This letter is written to request renewal of the triangle Wastewater Treatment Plant i
Durham County. All pertinent information is being submitted with this letter for the _?
renewal. If other information is required, please feel free to contact me at 560-7999.
Sincerely,
County of Durham
‘14)evzektio
Edward O. Watson, P.E.
3o, IA/ 7{t.
.itiEtr. Main Street — Floor
Durham County Courthouse, Durham, NC 27701 [phone] Fax [phone]
Equal Employment / Affirmative Action Employer

NPDES PERMIT APPLICATION PROCESSING FEES
J
PERMIT APPLICATION
PROCESSING FF.F.
ANNUAL ADMINISTERING
AND COMPLIANCE
MONITORING FEK
NEW
APPLICATION/
MAJOR
MODIFICATION/
LATE RENEWAL
TIMELY
RENEWALS
WITIIOUT
MAJOR
MODIFICATION
STANDARD
IN
COMPLIANCE
WASTEWATER
p.10.000.000 GPD*
Industrial/Domestic/Cool. Water
$400.00
$400.00
$1500.00
$1125.00
1.000.001-10.000.000 GPD
Industrial
$400.00
$300.00
$1500.00
$1125.00
Domestic/Cooling Water
j00.001-1.000.000 GPD
$400.00
$300.00
$1200.00
$900.00
Industrial
$400.00
$250.00
$800.00
$600.00
Domestic/Cooling Water
$400.00
$250.00
$600.00
$450.00
1.001-100.00 GPD
Industrial
$400.00
$200.00
$600.00
$450.00
Domestic/Cooling Water
$400.00
$200.00
$450.00
$300.00
1.000 GPD
General Permit (Single Family Residence)
$240.00
$240.00
n/a
n/a
General Permit (Others)
$400.00
$400.00
n/a
n/a
STORMWATER
Individual Industrial
$400.00
$400.00
$600.00
$450.00
Municipal Separate Stormwater System
$400.00
$400.00
$600.00
$450.00
General Permit (Construction)
$50.00
$50.00
n/a
n/a
General Permit (Others)
$400.00
$400.00
n/a
n/a
The fee for name changes and other minor modifications is $100.00 (15A NCAC 2H .0114(b)).
Checks or money orders shall be made payable to: NC DEPARTMENT OF EHNR
*GPD - Gallons Per Day

RECEIVED JUL 1 7 1925
r-ON AUcNCY USE
NORTH C 4ROLINA DEPT. OF ENVIRONMENT, HEALTH. AND NATURAL RESOURCES
ENVIRONMENTAL MANAGEMENT COMMISSION
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
APPLICATION FOR PERMIT TO DISCHARGE WASTEWATER
STANDARD FORM A - MUNICIPAL
SECTION I. APPLICATION AND FACILITY DESCRIPTION
Unless otherwise specified on this forth all Items are to be completed. If an Rem is not applicable indicate 'NA'.
ADDITIONAL INSTRUCTIONS FOR SELECTED ITEMS APPEAR IN SEPARATE INSTRUCTION BOOKLET AS
INDICATED. REFER TO BOOKLET BEFORE FILLING OUT THESE ITEMS.
1. Legal Name of Applicant
(see instructions)
2. Mailing Address of Applicant
(see Instructions)
Number & Street
City
State
Zp Code
3. Applicants Authorized Agent
(see Instructions)
Name and Title
Number & Street
City
State
Zp Coce
Telephone
4. Previous Application
If a previous application fora
permit unaer the National
Pollutant Discharge Elimination
System has been made, give
the date of application.
Please Print ior Type ^ 101 ate, i rt / S ° —Y "4- v t. a. +. .
102a
102b
102c
102d
103a
103b
103c
103d
103e
103f
104
3 C I W. � tc S ,S � se Pe
1\7a1 ✓ ll! r*-t.
C
'7 i 0 1
�%✓. �G� k)el v‘," 11/,4 T50 r.
30 1 i /''
7.�
D4 - 4S
7'7 0
qt ce 560—7q4I
Area Number
Code
YR MO DAY
I certify that I am familiar with the information contained in this application and that to the best of my knowledge and belief such
information
et/
tion is true, complete,1and accurate.
Ec 6 r-- C.' , l .3 & 1 S n n �) (" 102e . r --, TC� r
Pnnted Name of Person Signing 1 Title
Signature of Applicant or Authorized Agent YR MO DAY
Date Application Signed
North Carolina General Statue 143-215.6 (b)(2) provides that My 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 or a misdemeanor
punishable by a fine not to exceed $10,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001
provides a punishment by a fine or not more than $10,000 or imprisonment not more than 5 years, or both, for a similar offense.)

FOR AUENCY USE
5. Facility (see instructions)
Give the name, ownership, and
physical location of the plant or
other operating facility where
discharge(s) presently occur(s)
or will occur.
Name
Ownership (Public, Private
or both Public and Private)
Check block if a Federal
facility
and give GSA Inventory
Control Number
Location:
Number & Street
City
County
State
6. Discharge to Another Municipal
Facility (see instructions)
a. Indicate if part of your discharge
is into a municipal waste trans-
port system under another re-
sponsible organization. If yes,
complete the rest of this item
and continue with item 7. if no,
go directly to item 7.
b. Responsible Organization
Receiving Discharge
Name
Number & Street
City
State
Zip Code
c. Facility Which Receives
Discharge
Give the name of the facility
(waste treatment plant) which re -
clams and is ultimately respon-
sible for treatment of the
discharge from your facility.
d. Average Daily Flow to Facility
7. Facility Discharges, Number and
Discharge Volume (see instructions)
Specify the number of dscharges
described in this application and the
volume of water discharged or lost
to each of the categories below.
Estimate average volume per day in
million gallons per day. Do not include
intermittent or noncontinuous,
overflows, bypasses or seasonal dis-
charges from lagoons, holding
ponds, etc.
105a
105b
105c
105d
105e
105f
105g
105h
106a
106b
106c
106d
106e
106f
106g
106h
r; 1, I/IA/ TP
NC f�1� Y 5S a►+of ,/csR z &r
Re5,414,^ck —r i.14 / e P - k
ut PUB 0 PRV BPP
FED
r ;erhtrisy S S na /Y (tic4MOlc✓ �r•.
D
is ✓ Gl 4.vt
O✓��a �CAYe> Q
❑ Yes IX No
A
!"Y/f mgd

FOR r+(abNCY USE
To: Surface Water
Surface Impoundment with
no Effluent
Underground Percolation
Well (Injection)
Other
Total Item 7
If 'other' is specified, describe
If any of the discharges from this
facility are intermittent, such as from
overflow or bypass points, or are
seasonal or penodic from lagoons,
holding ponds, etc., complete item 8.
8. Intermittent Discharges
a. Facility bypass points
indica'e the number of bypass
points for the facility that are
discharge points.(see instructions)
b. Facility Overflow Points
Indicate the number of overflow
points to a surface water for the
facility (see instructions)
c. Seasonal or Periodic Discharge
Points Indicate the number of
points where seasonal discharges
occur from holding ponds
lagoons, etc.
9. Collection System Type
Indicate the type and length (in
miles) of the collection system used
by this facility. (see instructions)
Separate Storm
Separate Sanitary
Combined Sanitary and Storm
Both Separate Sanitary and
Combined Sewer Systems
Both Separate Storm and
Combined Sewer Systems
Length
10. Municipalities of Areas Served
(see instructions)
Total Population Served
107a1
107b1
107c1
107d1
107e1
107f1
107g1
108a
108b
108c
109a
10%
Number of Total Volume Discharged,
Discharge Points
107a2
107b2
107c2
107d2
107e2
107f2
Million Gallons PG
may
❑ SST
SAN
❑ CSS
❑ BSC
r ' SSC
miles
Actual Population
Name Served
110a 2ese.r,-eZ T;�.le 110b
110a R r i� 110b
^�
110a �CrkVI6It Skhalo • 110b
110a City of Dv•6m 11Cb
110a 110b
110c

rUH AGcNCY USE
11. Average Daily Industrial Flow
Total estimated average daily waste
flow from all industrial sources.
111
Note: Afl major industries (as defined 'n Section IV)
discharging to the municipal system must be
listed in Section IV.
1.52 mgd
12 Permits. Licenses and Applications
List all existing, pending or denied permits, licenses and applications related to discharges from this facility (see
instructions)
2
3.
Issuing
Agency
For
Agency
Use
Type of
Permit or
License
ID Number
Date
Filed
YR/MO/DA
Date
Issued
YR/MO/DA
Date
Denied
YR/MO/DA
Expiration
Date
YR/MO/DA
iai
(b1
.tcI
ld)
:e)
(t)
(g1
; n i
Nc.DENN R
NP.DES
wc4-o24o5)
9c/ 11 ti
g3/ 1/3o
ce6/2-//z-4
13. Maps and Drawings
Attach ail required maps and drawings to the back of this application. (see instructions)
14. Additional Information
114
item
Number
Information

•
o
• \` tip. •'.11•;�! I : .
•
upt -
. --% u I \ if I
J\�
hl isms v, for
�� `Se
4— Dis
'689
QUADRANGLE LOCATION
Primary highway,
hard surface._.......
- : ��� 55,
690 { • • INTErIOR—GEOLOGICAL SURVEY, hESTON, VIRGINIA-1987
9 MI. TO U.S. 64 691000..E
ROAD CLASSIFICATION
Light -duty road, hard or
improved surface
3976
3975
.1
cr
Z CG
3974
3973909..ry_
�uaHAM Cowes
TY; Po..3 )t 3T
_35° 52'30"
78°52'30"
Secondary highway,
hard surface._......__..__. Unimproved road__.==___=__
V
Interstate Route i U. S. Route
ns shown in purple and woodland compiled in cooperation
ate of North Carolina agencies from aerial photographs taken
Ind other sources. This information not field checked. Map edited 1987
State Route
SOUTHWEST DURHAM, N. C.
NW/4 DURHAM SOUTH 15' QUADRANGLE
35078-H8-TF-024
MASTER FILE
1973 -
PHOTOREVISED 1987
nMA S'f44 TV NW CCM C Vo.'1
cir•

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION 1I. BASIC DISCHARGE DESCRIPTION
Complete this section for each present or proposed discharge indicated In Section I, Items 7 and 8, that Is to surface waters. This
includes discharges to other municipal sewerage systems in which the waste water does not go through a treatment works prior to
being discharged to surface waters. Discharges to wells must be described where there are also discharges to surface waters from
this facility. Separate descriptions of each discharge are required even it several discharges originate in the same facility. All values
for an existing discharge should be representative of the twelve previous months of operation. If this is a proposed discharge, values
should reflect best engineering estimates.
ADDITIONAL INSTRUCTIONS FOR SELECTED ITEMS APPEAR IN SEPARATE INSTRUCTION BOOKLET AS
INDICATED. REFER TO BOOKLET BEFORE FILLING OUT THESE ITEMS.
1. Discharge Serial No. and Name
a Discharge Serial No.
(see instructions)
b. Discharge Name
Give the name of discharge, if
any (see instructions)
c. Previous Discharge Serial No
If a previous NPDES permit
application was made for this dis-
charge (Item 4, Section I) provide
previous discharge serial
number.
Discharge Operating Dates
a Discharge to Begin Date
If the discharge has never
occurred but is planned for some
future date, give the date the
discharge will begin.
b. Discharge to End Date If the
discharge is scheduled to be
discontinued within the next 5
years, give the date (within best
estimate) the discharge will end.
Give reason for discontinuing
this discharge in Item 17.
3. Discharge Location Name the
political boundaries within which
the point of discharge is located:
State
County
(If applicable) City or Town
4. Discharge Point Description
see instructions)
Discharge into (check one)
Stream (includes ditches, arroyos,
and other watercourses
Estuary
Lake
Ocean
Well (injection)
Other
If 'other is checked, specify type
5. Discharge Point - Lat./Long.
State the precise location of the
point of discharge to the nearest
second. (see instructions)
Latitude
Longitude
201a
201 b
201c
2C2a
202b
203a
203b
203c
204a
204b
205a
205b
00 ►/ /� I J f
4.01
nloO2 - '
YR MO
MO
A117 e4 ,6:, 6,44
ptha•
STR
❑ EST
❑ LKE
❑ OCE
❑ WEL
❑ OTH
203d
203e
203f
Agency Use
DEG. 5 3 MIN. 5 a SEC
3 S DEG. 5 2- MIN. [ SEC

FUR AGENCY USE
}
6. Discharge Receiving Water Name
Name the waterway at the point of
discharge. (see instructions)
If the discharge is through an outfall that extends
beyond the shoreline or is below the mean low
water line, complete item 7,
For Aaency Use
Major
Oinor Sub
For Agency Use
303e
7. Offshore Discharge
a. Discharge Distance from Shore
b. Discharge Depth Below Water
Surface
DISCHARGE SERIAL NUMBER
001
206a
206b
I 206c I
207a
207b
/v6,44 f°43+ Ceee t�-
If discharge is from a bypass or an overflow point or is a seasonal discharge from a lagoon, holding pond, etc., complete Items 8,
9, or 10, as applicable and continue with Item 11.
8. Bypass Discharge (see instructions) /�1
a Bypass Occurrence 14
Check when bypass occurs
Wet weather 208a1 ❑ Yes ❑ No
Dry weather 208a2 ❑ Yes ❑ No
b. Bypass Frequency Give the
actual or approximate number
of bypass incidents per year.
Wet weather 208b1 times per year
Dry weather 208b2 times per year
c. Bypass Duration Give the aver-
age bypass duration in hours.
Wet weather 208c1 hours
Dry weather 208c2 hours
d Bypass Volume Give the
average volume per bypass
incident, in thousand gallons
Wet weather 208d1 thousand gallons per incident
Dry weather 208d2 thousand gallons per incident
e. Bypass Reasons Give reasons 208e
why bypass occurs
Proceed to Item 11.
9. Overflow Discharge (see instruction
a. Overflow Occurrence Check
when overflow occurs
Wet weather
Dry weather
b. Overflow Frequency Give the
actual or approximate
incidents per year
Wet weather
Dry weather
209a1
209a2
209b1
2D9b2
[] Yes No
Yes 0 No
times per year
times per year

FON AGENCY USE
b. Discharge Treatment Codes
Using the codes listed in Table I
of the Instruction Booklet,
describe the waste abatement
processes applied to this dis-
charge in the order in which
they occur, if possible.
Separate all codes with
commas except where slashes
are used to designate parallel
operations.
If this discharge is from a municipal waste
treatment plant (not an overflow or bypass),
complete Items 12 and 13
12. Plant Design and Operation Manuals
Check which of the following are
currently available
a Engineering Design Report
b. Operation and Maintenance
Manual
DISCHARGE SERIAL NUMBER
odr
211b S 3 G, /? S E,, 'tJ 0) 1)
�S, X)
212a
212b
13. Plant Design Data (see instructions)
a Plant Design Flow (mgd) 213a
b. Plant Design BOD Removal(%) 213b
c. Plant Design N Removal (%) 213E
d Plart Design P Removal (%) 213d
e. Plart Design SS Removal (%) 213e
f. Plant Began Operation (year) 213f
g Plart Last Major Revision (year 213g

i-OR A& NLY USE
Parameter and Cale
214
DISCHARGE SERIAL NUMBER
14. Descnpton of Influent and Effluent (see Instructions)
,nnuent
trnuent
Annual
Average
Value
( 1 1
Annual
Average
Value
(2)
LOWASi
Monthly
Average
Value
(3)
rtOW
Million gallons per day
50050
pN
Units
00400
emperature (winter)
'F
74028
emperature (summer)
'F
74027
recar JtreOtococct Cactena
Number/100 ml
74054
(Provide if available)
recat Coutomi 3actena
Number/100 ml
74055
(Provide if available)
otal coulorrn oactena
Number/100 ml
74056
(Provide if available)
dOU 5-aay
mg/1
OC310
;hemtcar (Cxyge' iemana
mg/1
00340
(Provide if available)
OR
Total Organic Carbon (TOC)
mg/1
00650
(Provide e if available)
(Either analysts is acceptable)
Chlonne--total Resiouai
mg/1
53060
\_3.7
16v
`10 Z
3.6
21
2/
.1Z!
0.3
5/P-2
7
COrt
2Sd
es
32
2.7
t 2,8'
17,E
lc!
htgnest
Monthly
Average
Value
(4)
9. 1f
PT. `1
rrequency
of Analysis
(51
Number of
Analyses
(6)
Sample
Type
(71
15. 5-
V3
o . r 1-1 0.6 5l� 2S O
G

FOR AGENCY USt
DISCHARGE SERIAL NUMBER
00
14. Description of Influent and Effluent (see Instructions) (Continued)
Parameter and Code
214
Influent
Effluent •
Annual
Average
Value
(1)
Annual
Average
Value
(2)
Lowest
Monthly
Average
Value
(3)
Hignest
Monthly
Average
Value
(4)
Frequency
of Analysis
(5'
Number of
Analyses
(6)
Sample Type
(7!
Total Sonds
mg/1
00500
i otal Dissolved Sonds
mgi1
70300
,
iota( Suspended Solids
mg1
005'30
) ?-2to
/
5. , `y
2
9
5/7
C
25 f
2 K
Settleable Matter (Residue)
ml/I
00545
—
Ammonia (as N)
mgi1
00610
(Provide if available)
6
l.(
0. 3
L/ 6
5/
26 3
z 2/
K)eidanl Nitrogen
00620
(Provide if available)
--
2 .3
1. t
LI. 5
No k/
1 2
2 4'
Nitrate (as N)
mgA
o0520
(Provide if available)
1 4
32.5
2 2.,S
q().3
2/?
8' 5
2 11
Nitnte (as N)
• mg/I
00615
(Provide if available)
—
:
Phosphorus iota] (as N)
mg1
00665
(Provide if available)
14.2
D.S'
0.3
I. Li
I 7
6/
2IV
Dissolved Oxygen (DO)
mg�Y
�..' •• n�'�
'�'
'2.2
6..7
4.
s//
260
G

FCH AGENCY USE
DISCHARGE SERIAL NUMBER
00
15. Additional Wastewater Characteristics
Check the box next to each parameter if it is present in the effluent (see instructions)
Parameter
(215)
Present
Parameter
(215)
Present
Parameter
(215)
Present
Bromide
71870
Cobalt
01037
Thallium
01059
Chlonde
00940
Chromium
01034
Titanium
01152
Cyanide
00720
Copper
01042
e..1c
Tin
01102
Fluoride
00951
h/
' \
Iron
01045
Zinc
01092
e
Sulfide
00745
Lead
01051
Algicides'
74051
Aluminum
01105
Manganese
01055
Chlorinated organic compouncs'
74052
V
Antimony
01097
Mercury
71900
Oil and grease
00550
Arsenic
01002
Molybdenum
01062
Pesticides'
74053
Beryllium
01012
Nickel
01067
Phenols
32730
Banum
01007
Selenium
01147
Surfactants
38260
Boron
01022
Silver
01077
Radioactivity'
74050
Cadmium
01027
*Provide specific compound and/or element in Item 17, if known.
Pesticides (Insecticides, fungicides, and rodenticides)must be reported in terms of the acceptable common names specified in
Acceptable Common Names and Chemical Names for the ingredient Statement on Pesticide Labels, 2 nd Edition, Environmental
Protection Agency, Washington, D.C. 20250, June 1972, as required by Subsection 162.7 (b) of the Regulations for the
Enforcement of the Federal Insecticide, Fungicide, and Rodenticide Act.

FOR AGENCY USE
16. Plant Controls Check if the following
plant controls are available for this
discharge
Alternate power source for major
pumping facility inducing those
for collection system lift stations
Alarm for power or equipment
failure
17. Additional Information
DISCHARGE SERIAL NUMBER
eCt.
216
C& APS
(Z1 ALM
Item Number Descnption
74052
Methyl Chloride
74052
2-Chlroethylvinyl ether

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION III. SCHEDULED IMPROVEMENTS AND SCHEDULES OF IMPLEMENTATION
This section requires information on any uncompleted implementation schedule which has been imposed for construction of waste
treatment facilities. Requirement schedules may have been established by local, State, or Federal agencies or by court action. IF
YOU ARE SUBJECT TO SEVERAL DIFFERENT IMPLEMENTATION SCHEDULES, EITHER BECAUSE OF DIFFERENT
LEVELS OF AUTHORITY IMPOSING DIFFERENT SCHEDULES (ITEM 1 b) AND/OR STAGED CONSTRUCTION OF
SEPARATE OPERATIONAL UNITS (ITEM 1c), SUBMIT A SEPARATE SECTION III FOR EACH ONE..
FOR AGENCY USE
Sched. No."
1.
Improvements Required
a Discharge Serial Numbers
Affected List the discharge
serial numbers, assigned in
Section II, that are covered by
this implementation schedule
b. Authority Imposing Require-
ment Check the appropriate
item indicating the authority
for the implementation schedule
If the identical implementation
schedule has been ordered by
more than one authority, check
the appropriate items. (see
instructions)
Locally developed plan
Areawide Plan
Basin Plan
State approved implementation
schedule
Federal approved water quality
standards implementation plan
Federal enforcement procedure
or action
State court order
Federal court order
300
301a
301b
Nc,DEM
❑ LOC
DARE
❑ BAS
JSOS
❑ WQS
❑ ENF
El CRT
❑FED
c. Improvement Description Specify the 3charactercode for the General Action
Description in Table II that best describes the improvements required by the
implementation schedule. If more than one schedule applies to the facility because
of a staged construction schedule, state the stage of construction being described
here with the appropriate general action code. Submit a separate Section III for each
stage of construction planned. Also, list all the 3character (Specific Action) codes which
describe in more detail the pollution abatement practices that the Implementation schedule requires.
3-character general action 301c /4 01)
description
3-character specific action 301d
2. Implementation Schedule and 3. Actual
Provide dates imposed by schedule and
Indicate dates as accurately as possible
N6w
(� Enit=,2177,(2 , e�M,u-reF Eyac y
Complete Dates
any actual dates of completion for implementation steps listed below.
. (see instructions)
Implementation Steps 2. Schedule
a
b.
c.
d
e.
f.
h.
Preliminary plan complete
Final plan complete
Financing complete & contract
awarded
Site acquired
Begin construction
End construction
Begin discharge
Operational level attained
302a
302b
302c
302d
anPP
332f
302g
302h
(yr/Mo/Day)
94al5
g3/3I
,1/4
46/8/ (4
112.1 lb
9 64_1_0_2_
3. Actual Completion (Yr/Mo/Day)
3333 ?4/ / 2/
303b 9/ 3/
303c ?
303d /1/0/ /
IMP
303f
303g
303h /_/

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industnal Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw matenals. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
Product
Raw Matenal
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this Discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided nor to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401E
401d
401e
401f
402
403a
403b
404a
404b
405
BASF Agriculture Research Center
26 Davis Drive
Research Triangle Park
Durham
NC J
27709
8731
Ag Chemica 4o3c
Research
Quantity
21.8 thousand gallons per day
❑ Intermittent(int) Continuous (con)
El Yes El No
403e
403f
Units(See
Table III)
Parameter
Name
pH
BOD
TSS
rarameter
Number
...-
Value
8.8
67
202.1

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the maor product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from tie industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
• Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401 b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
Becton Dickinson Research Center
21 Davis Drive
Research Triangle Park
Durham
NC
27709
8731
R & D
Diagnostic
4r=3r
Kit
403d
Quantity
s
24.9 thousand gallons per day
[� Intermittent(int) ® Continuous (con)
Yes ® No
403e
403f
Units(See
Table III)
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
-
-..-
Value
7.05
47
50
.053
.191

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility descnption. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
matenal, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Burroughs Wellcome, Main
3030 Cornwallis Drive
Research Triangle Park
Durham
NBC` J
27709
8731
&D Pharma-
eutical Pr
403r
ducts
403d
Quantity
147.0 thousand gallons per day
Intermittent(int) XQ Continuous (con)
EC Yes 0No
403e
403f
Units(See
Table III)
Narameter
Name
pH
BOD
TSS
Cu
Zri
Parameter
Number
--
Value
7.6
210
129
.117
.273

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
a Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Incacate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a Burroughs Wellcome, North
401b 3025 Cornwallis Drive
401c Research Triangle Park
401d Durham
401e NC
401f 27709
402
8 731
area- 4o3c
eutical Pr ducts
403d
Quantity
1.3 thousand gallons per day
Interrnittent(int) ® Continuous (con)
Yes No
403e
403f
Units(See
Table III)
Parameter
Name
101-1
BOD
TSS
Cu
Zn
Parameter
Number
-
—
Value
7.1
178
155
.105
•594

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
matenal, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
. Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Burroughs Wellcome, Commons
79 T.W. Alexander Drive
Building 4301
Research Triangle Park
Durham
NC
27709
8731
&D Pharma- 4o3c
eutical Pr duc
403d
Quantity
is
403e
403f
Units(See
Table III)
o.4 thousand gallons per day
tntermittent(int) ® Continuous (con)
❑ Yes ®No — Equalization Basin:0>'iTy
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
,
-.,
Value
7.5
26
20
.067
.213

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial ClassificaDon (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
• Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Chemical Industry Institute of
Toxicology
6 Davis Drive
Research Triangle Park
Durham
NC
277n9
8733
oxicology
esearch
15.0
Intennittent(int)
Yes
403c
403d
Quantity
thousand gallons per day
® Continuous (con)
Q No
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cu
Z n
Parameter
Number
•�
Value
8.2
.121
.239

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
Ciba-Geigy Corporation
3054 Cornwallis Road
Research Triangle Park
Durham
NC
27709
8731
Biotech.
Research
403c
403d
Quantity
27.2 thousand gallons per day
Intennittent(int) ® Continuous (con)
E Yes]No
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cu
Zn
Parameter
Number
-
—
Value
7.3
.07
.196

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material. the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
Star
Zp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Inolcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
DuPont Electronics
14 T.W. Alexander Drive
Research Triangle Park
Durham
NC
27709
3674/9471
R&D Electr c
ics
403d
Quantity
40.7 thousand gallons per day
Intermittent(int) ® Continuous (con)
® Yes N o
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cd
Cr
Cu
—
F
Pb
Ni
Parameter
Number
-
Value
8.4
.002
.003
.043
.92
.025
.003
Ag Zn
.005 .191

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from tie industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1, Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zap Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401 b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
EPA Air Pollution Control
86 T.W. Alexander Drive
Research Triangle Park
Durham
NC
27709
8733
R&D Air
pollution A
Quantity
403c
bat ment
403d
27.7 thousand gallons per day
❑ Intermittent(int) 7 Continuous (con)
E Yes ® N o
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cu
Zn
Parameter
Number
-<
Value
8.1
.057
_ .221

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401 b
401c
401d
401e
401f
402
403a
EPA Fluid Modeling Facility
NCSR 1973 Page Road
Research Triangle Park
Durham
NC
27709
Quantity
Fluid Modell
403d
3.5
Intennittent(int)
❑ Yes
thousand gallons per day
Continuous (con)
® No
403e
403f
Units(See
Table III)
Parameter
Name
PH
Cl
Parameter
Number
-
Value
7.0
2,458
lb s /da j/

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zo Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
" Product
Raw Matenal
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
interrnittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a Glaxo (1)
401b 5 Moore Drive
401c Research Triangle Park
401d
401e
401f
402
Durham
NC
27709
2834
'harmaceuti
403d
Quantity
140.8 thousand gallons per day
Intermittent(int)
® Yes
No
Continuous (con)
403e
403f
Units(See
Table III)
Parameter
Name
—
pH
BOD
TSS
Cu
Zn
Parameter
Number
"
Value
7.7
*80.5 _# 82
.054
.244-
* 1bs7day

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major Product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
Glaxo (2)
5 Moore Drive
Research Triangle Park
Durham
NC
27709
2834-
Pharmaceuti
R&D
Quantity
52.5 tiousand gallons per day
Intermittent(int) E Continuous (con)
® Yes N o
403e
403f
Units(See
Table Ill)
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
Value
7.9
*155
*188
_ .213
1.03
iosay

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2. Primary Standard Industnal
Classification Code(see Instructions)
3. Primary Product or Raw Matenal
(see instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a IBM Corporation
401b 3039 Cornwallis Road
401c Research Trinale Park
401d Durham
401e NC
401 f
402
27709
3571
Quantity
&D Manuf a c 403c 403e
tel co unicati ns
403d 403f
118,4 thousand gallons per day
Intermittent(int) 0 Continuous (con)
0 Yes ® No
Units(See
Table In
Parameter
Name
pH
Cu
Zn
rarameter
Number
--
Value
7.4
.115
.34

t-UR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a JMC, Hi -Tech
•
4o1b One Innovation Drive
401c Research Triangle Park
401d Durham
401e NC
401f
402
27709
3339
h 'urit
hrome
403c
403d
Quantity
.88 thousand gallons per day
E Intermittent(int) ❑X Continuous (con)
QYes No
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cr
Cu
Pb
Parameter
Number
—
Value
7.8
.256
.036
_ .023

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility descnption. Indicate the 4 dgit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
Product
Raw Material
4. Row Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Incicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
Litespec, Inc (Optical L.L.C.)
76 Alexander Drive
Research Triangle Park
Durham
NC
27709
3229
Quantity
R&D and Ma 1�9c 403e
facture of op ical fib r a
403d 403f
20.6 thousand gallons per day
Interrnittent(int)
® Yes
® Continuous (con)
No
Units(See
Table III)
d cable.
Parameter
Name pH Cu Zn F
Parameter
Number •-
Value 7.8 .1 .252 1.0

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the maor product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from be industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
MC NC
Alexander Drive & Cornwallis Drive
Research Triangle .Park
Durham
NC
27709
3674
Microelectr
nics Resear
Qesc
ch
403d
Quantity
43.6 thousand gallons per day
Intemiittent(int)
E Yes
21 Continuous (con)
No
403e
403f
Units(See
Table III)
Parameter
Name pH C u Z n F-
arameter -
Number
Value 8.0 .018 .19 1.7

FOR -AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
• Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
Parameter
Name
Parameter
Number
Value
pH
6.7
401a
401b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
F'
2.17
Motorola
3026 Cornwallis Road
Research Triangle Park
Durham
NC
27709
3674
emiconduct aa3c
Manufacture
403d
Quantity
2 5 9.8 thousand gallons per day
❑ Intermittent(int) 2 Continuous (con)
❑X Yes ❑No
403e
403f
Units(See
Table III)

I-0H AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major Product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
T.rp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
4o1b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
National Institute of Environmental Health
Sciences — North
104 T.W. Alexander Drive
Research Triangle Park
Durham
NC
27709
9199
Medical
Research
403c
403d
Quantity
13.5 thousand gallons per day
Intermittent(int) DI Continuous (con)
Yes
® No
403e
403f
Units(See
Table III)
Parameter
Name pH BOD TSS Cu Zn
Parameter
Number
value 7.3 160 100 .099 .226

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industnal Classification (SIC) Code for the industry, the major product or raw
material. the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table Ill for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zrp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401 f
402
403a
403b
404a
404b
405
National Institute of Environmental
Health Sciences - South Campus
111 T.W. Alexander Drive
Research Triangle Park
Durham
NC
27709
9199
Medical
Research
4CrIc
403d
Quantity
80,0 thousand gallons per day
Intermittent(int) ® Continuous (con)
Yes © No
403e
403f
Units(See
Table I I! )
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
-
•.•
Value
7.3
65
150
.o6
.209

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description, Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
matenal, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from tindustrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Pilling Weck
1 Weck Drive
Research Triangle Park
Durham
NC
27709
3841
urgical
nstruments
.tainless
.teel
26.3
403c
403d
Quantity
thousand gallons per day
Intermittent(int) Q Continuous (con)
® Yes Ei No
403e
403f
Units(See
Table III)
Parameter
Name
pH
Cd
Cr
Cu
Pb
Ni
Ag
Parameter
Number
—
Value
7.7
.002
1104
._ . 084
.008
.996
.003
Zn
.164-

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility descnption. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Reichhold Chemicals
2400 Ellis Road
Research Triangle Park
Durham
NC
27709
8731
esin R&D
I_
boratory
403c
4C3d
Quantity
122.7 thousand gallons per day
Intermittent(int) ® Continuous (con)
Yes El No
403e
403f
Units(See
Table 1111
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
—
Value
7.3
182
114
.095
.509

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
' Product
Raw Matenal
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401 b
401c
401d
401e
401f
402
403a
403b
404a
404b
405
Research Triangle Institute
3040 Cornwallis Road
Research Triangle Park
Durham
NC
27709
8731
R&D in Envi
ronmental F
-403c
ie1,
403d
Quantity
•
109.1 thousand gallons per day
Interrnittent(int) © Continuous (con)
Yes Q No
403e
403f
Units(See
Table 1111
Parameter
Name
pH
Cu
Zn
Parameter
Number
—
Value
7.7
.073
.351

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the ma. •r product or raw
material. the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions
3. Primary Product or Raw Material
(see instructions)
Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
Rhone-Poulenc Ag.
2 T.W. Alexander Drive
Research Trinagle Park
Durham
NC
27709
2879
&D Testing
.f agricult
pesticide
4ria-
re
403d
Quantity
chemical
55.8 thousand gallons per day
Inter mittent(int) Continuous (con)
El Yes ® No
4C3e
403f
Units(See
Table III)
Parameter
Name
pH
Cu
Zn
Parameter
Number
--
Value
8.4
.o68
.19 o

•
FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industnal
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
" Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
SOM Metal Products
2601 Weck Drive
Research Triangle Park
Durham
NC
27709
3399
Quantity
403a Manufactured 403e
Units(See
Table III)
processing o metal powde s
opper 403d .23.5#424.403f
6.8 thousand gallons per day
❑ Intermittent(int) ® Continuous (con)
® Yes ❑ No
Parameter
Name
pH
Cu
Pb
Zn
Parameter
Number
-
Value
7.1
.206
.038
.364

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
• SECTION IV, INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material. the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Zip Code
2 Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
• Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indicate if
pretreatment is provided prior to
entering the municipal system
6, Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403a
Sumi tom() F. -I i r T,i erhwavp Corp.
78 Alexander Drive
Research Triangle Park
Durham
NC u
27709
3229
R&D Manufac
ture of opt
Quantity
ao3c
Lca cable
403d
9.8 thousand gallons per day
Intermittent(int) ® Continuous (con)
Yes Qx No
403e
403f
Units(See
Table III)
Parameter
Name
pH
BOD
TSS
Cu
Zn
Parameter
Number
-
Value
7.6
76
142
.166
.382

FOR AGENCY USE
STANDARD FORM A - MUNICIPAL
SECTION IV. INDUSTRIAL WASTE CONTRIBUTION TO MUNICIPAL SYSTEM
Submit a description of each major industrial facility discharging to the municipal system, using a separate Section IV for each
facility description. Indicate the 4 digit Standard Industrial Classification (SIC) Code for the industry, the major product or raw
material, the flow (in thousand gallons per day), and the characteristics of the wastewater discharged from the industrial facility
into the municipal system. Consult Table III for standard measures of products or raw materials. (see instructions)
1. Major Contributing Facility
(see instructions)
Name
Number & Street
City
County
State
Tp Code
2. Primary Standard Industrial
Classification Code(see Instructions)
3. Primary Product or Raw Material
(see instructions)
" Product
Raw Material
4. Flow Indicate the volume of water
discharged into the municipal sys-
tem in thousand gallons per day
and whether this discharge is
intermittent or continuous.
5. Pretreatment Provided Indcate if
pretreatment is provided prior to
entering the municipal system
6. Characteristics of Wastewater
(see instructions)
401a
401b
401c
401d
401e
401f
402
403b
404a
404b
405
Taylor Oil Company
Highway 54 and Alston Avenue
Research Triangle Park
Durham
NC
27709
�' •••�. 403c
remediatio pr
403d
Quantity
etreatmen
2. 5 thousand gallons per day
El Intermittent(int) ® Continuous (con)
Yes No
403e
t
403f
Units(See
Table It)
Parameter
Name
Ph
EPA 602
* EPA
624
Parameter
Number
-
-''
Value
...3
.01
.01
* Volatile Organic Compounds
* GC/MS Purgeable

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 3
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9209-9308 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
01051 01067 01077 01092 71900
MONTH LEAD NICKEL SILVER ZINC MERCURY
LIMIT NOL NOL
92/09 .0000 10.3750 .0000 97.3750 .0000
92/10 3.6000 .0000 .0000 128.6000 .2200
LIMIT NOL NOL
92/11 1.0000 .0000 .0000 86.6000 .0000
92/12 .7500 2.6250 .0000 98.6250
.0250
93/01 .0000 .0000 .0000 71.0000 .0000
93/02 .0000 .0000 .0000 89.0000 .0000
93/03 .0000 .0000 .0000 87.3750 .0000
LIMIT NOL NOL
93/04 .0000 .0000 .0000 93.0000 .0000
93/05 .0000 .0000 .2307 132.5384 .0000
93/06 .0000 .0000 .2727 117.4090 .0000
93/07 .0000 2.7500 .0000 110.9473 .0000
93/08 .4500 4.6818 .0000
AVERAGE .4833 1.7026 .0457 101.1336 .0204
MAXIMUM 18.0000 28.0000 2.0000 197.0000 1.1000
MINIMUM 58.0000
UNIT UG/L UG/L UG/L UG/L UG/L

• GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 2
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9209-9308 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
00010 00400 00600 00665 00720 01027 01034 01042
MONTH TEMP PH TOTAL N PHOS-TOT CYANIDE CADMIUM CHROMIUM COPPER
LIMIT NOL 9.0 6.0 NOL NOL NOL
92/09 22.70 7.0-6.7 10.900 .1928 .0000 .0000 1.0000 18.7500
92/10 19.00 7.0-6.7 14.100 .3833 .0000 .0000 .0000 18.8000
LIMIT NOL 9.0 6.0 NOL NOL NOL
92/11 16.86 7.0-6.7 10.000 .1857 .0000 .0000 .0000 21.2000
92/12 14.19 7.1-6.6 13.000 .1933 .0000 .0000 .0000 15.8750
93/01 12.93 7.1-6.7 13.000 .2000 .0000 .0000 2.2500 14.0000
93/02 12.14 6.9-6.7 11.000 .1083 1.2500 .0000 .0000 6.2500
93/03 13.85 7.0-6.7 9.000 .1600 3.8000 .0000 2.0000 14.2500
LIMIT NOL 9.0 6.0 NOL NOL NOL
93/04 15.88 7.0-6.6 9.000 .4900 .0000 .0000 5.0000 23.0000
93/05 19.41 6.9-6.5 21.000 .7357 1.1538 .0000 .0000 33.7692
93/06 21.60 7.0-6.6 13.000 .8454 .0000 .0000 3.6363 24.6363
93/07 23.48 7.4-6.7 13.700 1.0000 .2727 .0000 .7000 21.6923
93/08 23.03 7.4-6.5 11.200 .4153 .4545 .0000 3.0909
AVERAGE 17.92 12.408 .4091 .5775 .0000 1.4731 19.2929
MAXIMUM 28.00 7.400 21.000 1.7000 19.0000 30.0000 72.0000
MINIMUM 10.00 6.500 9.000 .1000 10.0000
UNIT DEG.0 SU MG/L MG/L UG/L UG/L UG/L UG/L

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 1
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9209-9308 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
50050 00310 00530 00610 31616 50060 00300 TGP3B
MONTH Q/MGD BOD RES/TSS NH3-N FEC COLI CHLORINE DO CERI7DPF
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL
92/09 3.5166 1.35 1.5 .36 9.5 .586 7.68
92/10 3.4558 1.75 4.0 .44 14.4 .564 8.23
LIMIT F 6.0000 F 10.00 F 30.0 F 1.80 F 200.0 NOL NOL NOL
92/11 3.4383 1.28 1.0 .15 37.7 .610 8.66 1
92/12 4.7441 2.00 3.2 .98 9.2 .596 9.00
93/01 5.5941 1.77 1.7 1.44 19.2 .543 8.72
93/02 3.7453 1.47 2.6 2.10F 29.7 .592 8.53 1
93/03 4.2116 2.33 2.7 2.64F 6.8 .679 8.11
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL NOL
93/04 3.6316 2.70 5.2 .10 15.1 .550 7.93
93/05 3.0845 4.26 6.4 .44 15.6 .853 7.68 2
93/06 4.4890 2.86 2.4 .16 17.6 .650 7.83
93/07 3.0609 1.50 1.5 .14 20.3 .587 7.71
93/08 3.0641 1.69 1.2 .21 1.6 .996 8.00 2
AVERAGE 3.8363 2.08 2.7 .76 16.3 .650 8.17 1
MAXIMUM 11.2000 22.00 51.0 6.10 6000.0 2.400 9.90 2
MINIMUM 1.3900 1.00 1.0 .10 1.0 .100 6.00 1
UNIT MGD MG/L MG/L MG/L #/100ML MG/L MG/L PASS/FAI

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 3
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9309-9408 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
01051 01067 01077 01092 71900
MONTH LEAD NICKEL SILVER ZINC MERCURY
LIMIT NOL NOL
93/09 3.7647 .0000 52.0000 87.6666 .0000
93/10 4.0555 .0000 .0000 78.0000 .0714F
LIMIT NOL NOL
93/11 .4000 .0000 .0000 148.0000 .0000
93/12 6.6666 .0000 .0000 63.0000 .0625F
94/01 4.5882 .0000 .0000 41.0000 .0000
94/02 1.2500 .0000 .0000 136.0000 .0000
94/03 5.5000 .0000 .0000 70.0000 .0000
LIMIT NOL NOL
94/04 3.2500 .0000 .0000 81.0000 .0000
94/05 .8333 .0000 .0000 55.0000 .0000
94/06 .7500 .0000 .0000 80.0000 .0000
94/07 .8000 8.0000 .0000 40.0000 .0000
94/08 1.0000 .0000 5.0000 92.0000 .0000
AVERAGE 2.7381 .6666 4.7500 80.9722 .0111
MAXIMUM 25.0000 20.0000 364.0000 230.0000 .5000
MINIMUM .0000 .0000 .0000 39.0000 .0000
UNIT UG/L UG/L UG/L UG/L UG/L

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 2
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9309-9408 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
00010 00400 00600 00665 00720 01027 01034 01042
MONTH TEMP PH TOTAL N PHOS-TOT CYANIDE CADMIUM CHROMIUM COPPER
LIMIT NOL 9.0 6.0 NOL NOL NOL
93/09 22.46 7.3-6.0 11.800 .4750 2.3333 .0000 .0000 16.4285
93/10 16.46 7.2-6.0 6.400 .4857 .0000 .0000 .0000 16.0000
LIMIT NOL 9.0 6.0 NOL NOL NOL
93/11 16.31 6.8-5.8F 7.000 1.2142 6.0000 .0000 .0000 23.0000
93/12 13.66 6.8-6.3 8.500 1.5500 8.8181 .0000 1.2500 15.0000
94/01 9.66 7.1-6.2 8.200 1.2500 3.0000 .0000 .0000 12.6000
94/02 8.60 7.0-5.3F 1.3500 3.2500 .0000 .0000 9.0000
94/03 10.17 7.6-6.2 1.400 .9333 3.8333 .0000 .0000 13.0000
LIMIT NOL 9.0 6.0 NOL NOL NOL
94/04 12.90 7.3-6.3 5.800 .4888 .0000 .0000 9.0000
94/05 13.85 7.6-6.0 .4631 4.8888 .0000 .0000 7.0000
94/06 18.59 7.5-6.5 .4416 .0000 .0000 1.5000 .0000
94/07 25.10 7.9-6.5 8.800 .4857 2.2500 .0000 .0000 13.0000
94/08 24.43 7.9-6.7 11.800 .5444 .0000 .0000 .0000 10.0000
AVERAGE 16.01 7.744 .8068 2.8644 .0000 .2291 12.0023
MAXIMUM 26.00 7.900 12.800 2.5000 19.0000 6.0000 54.0000
MINIMUM 6.00 5.300 1.400 .1000 .0000 .0000 .0000 .0000
UNIT DEG.0 SU MG/L MG/L UG/L UG/L UG/L UG/L

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 1
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9309-9408 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
50050 00310 00530 00610 31616 50060 00300 TGP3B
MONTH Q/MGD BOD RES/TSS NH3-N FEC COLI CHLORINE DO CERI7DPF
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL NOL
93/09 2.8607 1.57 2.9 2.91F 92.0 .457 6.59 1
93/10 2.7201 .90 3.7 .03 3.5 .647 8.74
LIMIT F 6.0000 F 10.00 F 30.0 F 1.80 F 200.0 NOL NOL NOL
93/11 2.7904 1.00 3.8 .03 1.6 .670 8.72 2
93/12 3.0094 3.35 6.9 .31 18.7 .526 8.63 1
94/01 3.3870 7.76 15.5 1.23 222.OF .295 8.48
94/02 3.9310 7.15 13.9 1.39 91.9 .465 8.43 2
94/03 4.6341 5.86 8.7 4.66F 31.5 .734 8.43
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL NOL
94/04 2.9654 3.60 5.6 .72 14.9 .545 8.87
94/05 3.0305 2.59 4.6 .21 2.7 .500 8.83 0
94/06 3.2784 2.36 4.1 .15 2.2 .363 7.95
94/07 3.5327 1.60 4.5 .26 4.9 6.75
94/08 3.4136 1.52 2.1 .27 14.6 6.80
AVERAGE 3.2961 3.27 6.3 1.01 41.7 .520 8.10 1
MAXIMUM 18.6800 23.00 53.0 11.30 42000.0 2.000 13.50 2
MINIMUM 1.8220 LESSTHAN LESSTHAN LESSTHAN LESSTHAN .000 5.38 0
UNIT MGD MG/L MG/L MG/L #/100ML UG/L MG/L PASS/FAI

GKEX88/MP 10/03/95
COMPLIANCE EVALUATION ANALYSIS REPORT PAGE 3
PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9409-9508 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
01051 01067 01077 01092 71900
MONTH LEAD NICKEL SILVER ZINC MERCURY
LIMIT NOL NOL
94/09 .5000 5.0000 .0000 .9600 .0000
94/10 .0000 .0000 .0000 108.0000 .0000
LIMIT NOL NOL
94/11 .0000 .0000 .0000 76.0000 .0000
94/12 .0000 .0000 .0000 110.0000 .0000
95/01 .0000 .0000 .0000 56.0000 .0000
95/02 .7500 .0000 .0000 96.0000 .0000
95/03 .0000 .0000 .0000 56.0000 .0250
LIMIT NOL NOL
95/04 2.5000 .0000 .0000 80.0000 .0000
95/05 4.0000 .0000 .0000 83.0000 .0000
AVERAGE .8611 .5555 .0000 73.9955 .0027
MAXIMUM 6.0000 20.0000 110.0000 .2000
MINIMUM .0000 .0000 .0000 .9600 .0000
UNIT UG/L UG/L UG/L UG/L UG/L

. a •
GKEX88/MP
COMPLIANCE EVALUATION ANALYSIS REPORT
10/03/95
PAGE 2
' PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9409-9508 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
MONTH
00010 00400 00600 00665 00720 01027 01034 01042
TEMP PH TOTAL N PHOS-TOT CYANIDE CADMIUM CHROMIUM COPPER
LIMIT NOL 9.0 6.0 NOL NOL NOL
94/09 22.75 8.0-6.5 8.900 .3500 .0000 .0000 .0000 .0000
94/10 19.42 7.8-6.4 12.000 .2880 .0000 .0000 .0000 7.0000
LIMIT NOL 9.0 6.0 NOL NOL NOL
94/11 17.84 7.8-6.9 14.800 1.3500 .0000 .0000 .0000 6.0000
94/12 15.66 7.8-6.8 12.200 1.2500 .0000 .0000 .0000 10.0000
95/01 13.28 7.4-6.5 17.700 1.1200 .0000 .0000 .0000 13.0000
95/02 12.80 7.7-6.1 17.900 .7750 5.8750 .0000 .0000 12.0000
95/03 14.00 7.4-6.2 17.700 .9500 6.1250 .0000 1.5000 13.0000
LIMIT NOL 9.0 6.0 NOL NOL NOL
95/04 17.05 7.3-6.0 16.600 .2750 .0000 .0000 .0000 12.0000
95/05 20.18 6.9-6.0 23.300 .4200 .6666 .0000 .0000 11.0000
AVERAGE 16.99 15.677 .7531 1.4074 .0000 .1666 9.3333
MAXIMUM 25.00 8.000 23.300 2.0000 27.0000 6.0000 13.0000
MINIMUM 7.00 6.000 8.900 .0400 .0000 .0000 .0000 .0000
UNIT DEG.0 SU MG/L MG/L UG/L UG/L UG/L UG/L

GKEX88/MP
COMPLIANCE EVALUATION ANALYSIS REPORT
10/03/95
PAGE 1
• PERMIT--NC0026051 PIPE--001 REPORT PERIOD: 9409-9508 LOC---E
FACILITY--DURHAM CO TRIANGLE WWTP DESIGN FLOW-- 6.0000 CLASS--2
LOCATION--DURHAM REGION/COUNTY--05 DURHAM
50050 00310 00530 00610 31616 50060 00300 TGP3B
MONTH Q/MGD BOD RES/TSS NH3-N FEC COLI CHLORINE DO CERI7DPF
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL NOL
94/09 3.2466 2.94 5.9 .32 6.4 262.500 6.71
94/10 3.4851 1.59 3.7 .45 12.8 183.809 7.04
LIMIT F 6.0000 F 10.00 F 30.0 F 1.80 F 200.0 NOL NOL NOL
94/11 2.7912 3.47 2.8 .99 25.6 113.684 6.70
94/12 2.7414 4.90 6.6 1.74 84.3 217.157 6.75
95/01 4.1724 3.42 5.2 1.19 7.6 266.500 7.56
95/02 4.4308 8.30 9.3 4.60F 170.8 347.000 8.05
95/03 4.0113 5.21 9.0 .40 7.4 495.652 8.40 1
LIMIT F 6.0000 F 5.00 F 30.0 F 1.00 F 200.0 NOL NOL NOL
95/04 2.9356 2.35 5.3 .34 1.6 578.947 7.84
95/05 3.2580 2.27 5.1 .39 1.5 612.272 7.10
AVERAGE 3.4524 3.82 5.8 1.15 35.3 341.946 7.35 1
MAXIMUM 17.7040 20.00 32.0 17.70 75000.0 2170.000 11.40 1
MINIMUM 1.8020 LESSTHAN LESSTHAN LESSTHAN LESSTHAN 30.000 6.00 1
UNIT MGD MG/L MG/L MG/L #/100ML UG/L MG/L PASS/FAI