NC0026051_Historical information_20161231

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FromD ur ha m County .1/38/20 16 '-O'
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Mailing Address: --------...u
Durham NC 27713City: 919-560-9033State:Zip: Phone
Signature: Date:
Durham County Triangle WWTPFacility Name:NC0026051Permit
DurhamCounty:
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
1BiologicalLand \ppPat-cn
Operator in Responsible Charge (ORC)
Print Full Name: Shawn Davis Email:[e-mail]
919-560-9036Work Phone #:
Signature: Date:/-c3
Back-Up Operator in Responsible Charge (BU ORC)
Email: P|[e-mail] Full Name: Paul Langfield
Work Phone #:
Date:/
lby the Water Pollution Control System Operators Certification Commission.”
Fax [phone]
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Revised 05-2015
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Mail or fax a copy to the
appropriate Regional Office:
Mail, fax or email the
original to:
Washington
943 Washington Sq Mall
Washington 27889
Fax: [phone]
Phone: [phone]
Mooresville
610 E Center Ave
Suite 301
Mooresville 28115
I Fax: [phone]
Phone: [phone]
W'inston-Saiem
450 W. Hanes Mall Rd
Winston-Salem 27105
Fax: [phone]
Phone: [phone]
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Water Pollution Control System Operator Designation F r ■
WPCSOCC
NCAC 15A8G .0201
2090 US Hwy 70
Swannanoa 2t
Fax: 828:299.
Phone: 828.2'
Raleigh
381. o £■■ itcv. Di
Raleigh 27609
Far: 919.57L4718
Ph( ne:W.79|! .4200
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Permittee Owner/Officer Name: Jose|
5926 N.C. Highway f
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R. Pearce - Utility Division Manager / POTW Directc.-
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Email address: [e-mail]
East
Certificate Type / Grade / Number: WW / 4 / 22943
Signature:
"I certify that Fagree to my-dcsig^aiienas 1 " o
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in’isA NCAC 08G .0205 md failimj to <...
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission.”
919-560-9037
a Back-up Operator in Responsible Charge for the facility noted. I understand nd H tr,
1 sci enn result in
WPCSOCC, 1618 Mail Service Center, Raleigh. NC 27699-1618
Email: [e-mail]
Asheville Fayetteville
225 Green St
Suite 714
Faydtteville 28301-5043
Fax-910.486.0707
Phone: [phone]
I
Wilmington
127 Cardinal Dr
Wilmington 28405-2X45
Fax: [phone]
Phone: [phone]
919 S44 B59O t '..O
Certificate Type / Grade / Number WVjLM / 992-
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1 certify that 1 agree to my designation as the Operator in Responsible Charge for the facility noted. 1 understand and will ab:ce >■, l:: ryl :s
and regulations pertaining to the responsibilities of the ORC as set forth in ISA NCAC 08G .0204 and failing to do so cm te >. r ii ' sc .pfinar
Actions by the Water Pollution Control System Operators Certification Commission. ’
Facility Type/Grade (CHECK ONLY ONE):
Collection Physical/Chemical Surface Irrigation
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From:Durham County < ; c p POt '0 02 ,U/28/20 te
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Joseph R. Pearce - Utility Division Manager / POTW DirectorPermittee Owner/Officer Name:
5926 N.C. Highway 55 East IMailing Address:
Durham NC 27713 919-560-9G33City: State: Zip: Phone #:
Signature:Date:
pFacility Name:Permit #:
DurhamCounty:
..
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
Biological Physical/Chemical
Operator in Responsible Charge (ORC)
Shawn DavisPrint Full Name:Email:shddavis(a)dconc.qov
919-560-9036Certificate Type / Grade / Number: WW / 4 / 992460 Work Phone #:
Signature:
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Print Full Name: Pgul Langfield I
Certificate Type / Grade / Number
Date:
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Revised 05-2015
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Land Application!
...........................
Fax: 91€-.715.2726
Date: ~
Mail, fax or email the
original to:
Mail or fax a copy to the
appropriate Regional Office:
Facility Type/Grade (CHECK ONLY ONE):
Collection Physical/Chemical Surface Irrigation
WPCSOCC, 1618 Mail Service Center. Raleigh. NC 27699-1618
Email: certadminfg:ncdenr.gov
"1 certify that 1 agree to my designation as the Operator in Responsible Charge for the facility noted. 1 understand and wil .. n . ; i:L
and regulations pertaining to the responsibilities of the ORC as set forth in 15A NCAC 08G 0204 and failing to do so c..: re ; 17 :u!plin. r
Actions by the Water Pollution Control System Operators Certification Commission."
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Water Pollution Control System Operator Designation Forn
WPCSOCC
NCAC 15A8G .0201
Asheville
2090 US Hwy 70
Swannanoa 28778
Fax: [phone]
Phone: [phone]
Washington
943 Washington Sq Mall
Washington 27889
Fax: [phone]
Phone: [phone]
Winston-Salem
450 W. Hanes Mall R<
Winston-Salem 27105
Fax: [phone]
Phone: [phone]
II
Raleigh
38dO B utc' : Dr
Ra eigh 27609
Fax: [phone]
Phore:91) 791.4200
II
op.
Email address:_________
Durham County Triangle P --------------------------------------- -
■
[e-mail]
If
Mooresville
610 E Center Ave
Suite 301
Mooresville 28115
Fax: [phone]
Phone: [phone]
Wilmington
127 Cardinal Dr
Wilmington 28405-2845
Fax: [phone]
Phone: [phone]
Fayetteville
225 Green St
Suite 714
Fayetteville 28301-5043
Fax: [phone]
Phone: [phone]
NC0026051
abide by!the
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Back-Up Operator in Responsible Charge (BU ORC)
^1/ 22943
I i' !
WW.
Signature: —
“I certify that j4gree to myllesighatief) a ~ '
rules and regulations pertaining to die responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission.’'
919 54 4 85 9 0
Email: [e-mail]
Work Phone#: [phone]
/ Ar/f
as a Back-up Operator in Responsible Charge for the facility noted. I understand and ..
WPCSOCC^ Opt?'.e-lunation Form, cont.
Permit #: NC0026051
Back-Up Operafoi in Responsible Charge (BU ORC)
Stephanie Brixey [e-mail] Full Name:Email:
WW/4/ 1000636 Work Phone #: [phone]Certificate Type ' Giadc ' Number;
Signature:!
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Prim Full Name
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1 I Revised 05-2015
<: o c . c. u G c ■.
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WW/4/996769
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Email: , [e-mail]
I L Worfalf.one# 919-560-9033
! Dat<
Grade ' Number:
■ . 91^-560-9035
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Certificate Typp^ v r ide /.Number: yV
Signatured
'[ certilA that . : • ni. designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regular vis oe i; ining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary .'».cr, >l e Water Pollution Control System Operators Certification Commission.’-
hone#
Date:L
Signature:
! certify that I designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulatio'n > • :; tmrg to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Ac ■ - >. '■> W ater Pollution Control System Operators Certification Commission.”
Back-Up Operafcr in Responsible Charge (BU ORC)
Email: /~LpkLS dcCOUC .S-Ol/
\A// 3/106-0Work Phone#: 3 13 ' 3 C>53
____________________________Date: I ' 2. I C?________
oese ffs 6 re d±MMl Aiunof) lu eu .in cj; uj oj j
i; J -i -‘j G, a________________________________ Date: I | Cj Le
‘I certify that I aizrce n n. designation as a Backup Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regu if >21; ining to the responsibilities of the Bl I ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actio '■ dy the Water Pollution Control System Operators Certification Commission.”
tf
f ( , WW / 4 / 993438Certificate I ype ' i. rude Number:____________
7 ~T)
Signature: T .^^<2 V' V ' ....
I ceilily that jt'.-c • h k -ignation as a Back-up Operator in Responsible Charge for the facility noted. 1 understand and will abide by the
rules -nd n.-gula< - 'ei; ining to the responsibilities of the BU ORC as set forth in 15ANCAC 08G .0205 and failing to do so can result in
Disciplinary \cf t >■. r e Water Pollution Control System Operators Certification Commission.”
o f i y i o<; / / r o
Back-Up pperator in Responsible Charge (BU ORC)
Priht Full Name: dcseph R. Pearce Email: [e-mail]
Facility N'jame* Durnam County Triangle WWTP
......£-■“..........................
Back-Up Operator iu Responsible Charge (BU ORC)
j Print Full IjLie: Garver
Certificate I ype '
t
Permittee Owner/Offlcer Name: Joseph R. Pearce ~ Utility Division Managsr / POTW Director
5926 N.C. Highway 55 East Mailing Address:
27713 919-560-9033Durham Phone #:City:
Date: Signature:
Durham County Triangle WWTP NC0026051Permit #:Facility Name:
DurhamCounty:.
SUBMIT A SEPARATE FORM FOR EACH TYPE SYSTEM!
Land ApplicationPhysical/ChemicalBiological
Operator in Responsible Charge (ORC)
Print Full Name: Shawn Davis [e-mail]:
919-560-9036Work Phone #:Certificate Type / Grade / Number: WW / 4 / 992460
Date: /nd
Print Full Name:Paul Langfield
WW/4/ 22943 Work Phone #:Certificate Type / Grade / Number:
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
Fax: [phone]
Revised 05-2015
Mail, fax or email the
original to:
Mail or fax a copy to the
appropriate Regional Office:
Facility Type/Grade (CHECK ONLY ONE):
Collection Physical/Chemical Surface Irrigation
Water Pollution Control System Operator Designation Form
WPCSOCC
NCAC ISA 8G .0201
Wilmington
127 Cardinal Dr
Wilmington 28405-2845
Fax: 910J50.2004
Phone: [phone]
Raleigh
3800 Barrett Dr
Raleigh 27609
Fax: [phone]
Phone:[phone]
Asheville
2090 US Hwy 70
Swannanoa 28778
Fax: [phone]
Phone: [phone]
Washington
943 Washington Sq Mall
Washington 27889
Fax: [phone]
Phone: [phone]
Winston-Salem
450 W. Hanes Mall Rd
Winston-Salem 27105
Fax: [phone]
Phone: [phone]
Email address:
Mooresville
610 E Center Ave
Suite 301
Mooresville 28115
Fax: [phone]
Phone: [phone]
WPCSOCC, 1618 Mail Service Center, Raleigh, NC 27699-1618
Email: [e-mail]
Fayetteville
225 Green St
Suite 714
Fayetteville 28301-5043
Fax: [phone]
Phone: [phone]
[e-mail]
Signature:
“I certify’ that 1 agree to my designation as the Operator in Responsible Charge for the facility noted. I understand and will abide by the rules
and regulations pertaining to the responsibilities of the ORC as set forth in 15A NCAC 08G .0204 and tailing to do so can result in Disciplinary
Actions by the Water Pollution Control System Operators Certification Commission."
Signature:
‘i certify that I agree to mytiesignaueri as a--------r - r
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and tailing to do so can result in
State: NC Zip:
919-560-9037
Date: >
Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
Back-Up Operator in Responsible Charge (BU ORC)
Emai | • [e-mail]
WPCSOCC Operator Designation Form. cont.
Facility Name: Durham County Triangle WWTP Permit #: NC0026051
Back-Up Operator in Responsible Charge (BU ORC)
Print Full Name: Mike Garver Email: [e-mail]
WW / 4 / 996769 Work Phone #: [phone]
Signature:
[e-mail]:
Certificate Type / Grade / Number: WW / 4 / 1000636 Work Phone#: [phone]
Signature:
Back-Up Operator in Responsible Charge (BU ORC)
Print Full Name: Joseph R. Pearce Email: [e-mail]
Work Phone #:
Signature:Date:
lPrint Full Name:
Certificate Typ<
Signature: Date:7
Revised 05-2015
Back-Up Operator in Responsible Charge (BU ORC)
Print Full Name: StePhanie Brixey
Certificate Type / Grade / Number:
. cz" Date: /
I certify that 1 agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary' Actions by the Water Pollution Control System Operators Certification Commission."
Date:
"I certify tliat J agree to my designation as a Backup Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission.”
Back-Up Operator in Responsible Charge (BU ORC)
Email:.
irade / plumber: yV \z// r)/' 00 0
co uc
Work Phone #: I ~ S 03,3
i -zg-I u
"I certify that I agree to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in 15A NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission.”
Certificate Type / Grade / Number: z 4 z 993438 Work phone [phone]
—___ Date:_
“I certify that I a^fee to my designation as a Back-up Operator in Responsible Charge for the facility noted. I understand and will abide by the
rules and regulations pertaining to the responsibilities of the BU ORC as set forth in ISA NCAC 08G .0205 and failing to do so can result in
Disciplinary Actions by the Water Pollution Control System Operators Certification Commission."
Robinson, Jason
Jason,
TED CREDLE, P.E. | PROJECT MANAGER
nto
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From:
Sent:
To:
Subject:
Attachments:
Credle, Walter E. <[e-mail]>
Monday, February 08, 2016 3:13 PM
Robinson, Jason
Durham County 4Q update
Flow Allocationl60208.xls
I DURHAM COUNTY
Engineering and
Environmental Services
[e-mail]
5926 Hwy. 55 East
Durham. North Carolina 27713
Office [phone] | Fax [phone]
I hope you are doing well, this afternoon.
Please find the attached spreadsheet that shows our current capacity.
The biggest difference between this year and previous years, is the removal of the Town of Cary form the spreadsheet.
Previously, we had an ILA with the Town of Cary which used some of our capacity.
Now the ILA has been gone from our records for over 12 months and no longer factors in our computations.
Let me know if you have any questions, or need anything from me.
Thanks
Updated 2/8/2016
Sum of Cary ILA, Non-Cary Effluent Flow, Obligated (Perm and non-Perm) and Sum SIU Max Month 5.9245 MOD
Percent Permitted Flow Used 49.37 %
Obligated Not Yet Tributary (permitted)
Total 0.12707 MOD
Obligated Not Permitted
TOTAL
Available Flow Capacity
Triangle Wastewater Treatment Plant
54 Plaza
Hamner (6 Davis Drive)
Reserve at Park Place
West Briar Townhomes - Phase 1A
Tryon Distributing
Creekside at Bethpage - Phase II
0.00700 MOD
0.02350 MOD
0.08035 MOD
0.00972 MOD
0.00338 MOD
0.00312 MOD
0 MOD
0.12707 MGD
WWTP Permitted Capacity
Annual Effluent Flow (DMR 1/15 -12/15)
Average Effluent Flow last 12 months (DMR 1/15-12/15)
Obligated Not yet Tributary (permitted)
Obligated (not permitted)
Sum SIU Max Month (non-Cary 1/15-12/15 period)
12 MGD
1804.02 MG
4.942521 MGD
0.1271 MGD
0.0000 MGD
0.8549 MGD
February 16, 2016
Re: Amended Durham County North Carolina 2015 Annual Biosolids Report
Engineering and
Environmental Services
Utility Division - Triangle WWTP
5926 NC Highway 55 East, Durham, North Carolina 27713
[phone] | Fax [phone] | dconc.gov
Equal Employment/Affirmative Action Employer
EPA Region 7,
ATTN: BIOSOLIDS CENTER
WWPD/WENF
11201 Renner Boulevard
Lenexa, Kansas 66219
DURHAM
COUNTY
beq
Phone Number
Email Address
Facility Mailing Address
Contact Person
31
1273
0___
1298
0___
0___
0___
0___
0___
6
Sewage Sludge Production Information (dry metric tons)
1/1/15 Sewage Sludge On-site___________
2015 Sewage Sludge Produced__________
Sewage Sludge from other facilities_______
Sewage Sludge transferred to other facilities
Sewage Sludge Sent to Land Application
Sewage Sludge Sent to Surface Disposal
Sewage Sludge Sent to Landfill__________
Sewage Sludge Sent to Incineration_______
Sewage Sludge Sent to Other____________
12/31/15 Sewage Sludge On-site
Reporting Year_________
EPA NPDES Number
Facility Name__________
Facility Address________
Authorized Representative
General Facility Information____________________________________
2015
NC0026051____________________________
Triangle Wastewater Treatment Plant________
5926 NC Highway 55 East, Durham NC 27713
Joseph R. Pearce, PE
Utility Division Manager/POTW Director
5926 NC Highway 55 East, Durham NC 27713
Joseph R. Pearce, PE
Utility Division Manager/POTW Director
[phone] _________________________
[e-mail]
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Suft erely,
l.
cc:
questions or require additional information, please contact me at 919-560-9035
(mobile).
Nathaniel Thornburg, NCDEQ - DWR
Tony Gallagher, NCDEQ - DWM
Autumn Romanski, NCDEQ - RRO
Sean Fallon, McGill Composting
5926 NC Highway 55 East, Durham, North Carolina 27713
[phone] | Fax [phone] | dconc.gov
Equal Employment/Affirmative Action Employer
oseply Pearce
tility Division Manager/ POTW Director
Durham County sewage sludge was transferred to McGill Composting, 634 Christion Chapel Church
Road, New Hill, North Carolina 27562 for Class A composting and distribution. If you have any
i or [phone]
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2.
3.
4.
5.
6.
FACILITY NAME COUNTY
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Time In Time Out
1.
2.
3.
4.
5.
SECTION
NAME
DATE/TIME
REPRESENTING
Due to the large public demand for file access, we request that you call at least a day in
advance to schedule an appointment for file review so you can be accommodated.
Appointments are scheduled between 9:00 a.m. and 3:00 p.m on Tuesday Wednesday and
Thursday. Viewing time ends at 4:45 p.m. Anyone arriving without an appointment may view
the files to the extent that time and staff supervision are available.
You must specify files you want to review by facility name or incident numberx as appropriate.
The number of files that you may review at one appointment will be limited to five.
You may make copies of a file when the copier is not in use by the staff and if time permits.
Cost per copy is 5 cents for ALL copies, front and back will be 10 cents per copy. Payment is
to be made by check, money order, or cash in the administrative offices.
FILES MUST BE KEPT IN THE ORDER YOU RECEIVED THEM. Files may not be taken
from the office. No briefcases, large totes, etc, are permitted in the file review area. To
remove, alter, deface, mutilate, or destroy material in one of these files is a misdemeanor for
which you can be fined up to $500.00.
In accordance with General Statute 25-3-512, a $25.00 processing fee will be charged and
collected for checks on which payment has been refused.
The customer must present a photo ID, sign-in, and receive a visitor sticker prior to reviewing
files.
FILE ACCESS RECORD
l'
________6^ r?<" e
La
Guidelines for Access: The staff of the_Raleigh Regional Office is dedicated to making public
records in our custody readily available to the public for review and copying. We also have the
responsibility to the public to safeguard these records and to carry out our day-to-day program
obligations. Please read carefully the following before signing the form.
STATE OF NORTH CAROLINA
Department of Environment and Natural Resources
Raleigh Regional Office
3M____________! *//'$
Signtrfyfe and^Name of Firm/Business Dare
Please ittacn a business card to this form if available
O CO 7^ 3 ___________
d-riry 'J J2)1^'Ji* a
C £ by
c v io rf>
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2.
3.
4.
5.
6.
FACILITY NAME COUNTY

/
Sigrpty/e
Please atti
Time In Time Out
1.
2.
3.
4.
5.
SECTION
NAME
DATE/TIME
REPRESENTING
Due to the large public demand for file access, we request that you call at least a day in
advance to schedule an appointment for file review so you can be accommodated.
Appointments are scheduled between 9:00 a.m. and 3:00 p.m on Tuesday Wednesday and
Thursday. Viewing time ends at 4:45 p.m. Anyone arriving without an appointment may view
the files to the extent that time and staff supervision are available.
You must specify files you want to review by facility name or incident number^ as appropriate.
The number of files that you may review at one appointment will be limited to five.
You may make copies of a file when the copier is not in use by the staff and if time permits.
Cost per copy is 5 cents for ALL copies, front and back will be 10 cents per copy. Payment is
to be made by check, money order, or cash in the administrative offices.
FILES MUST BE KEPT IN THE ORDER YOU RECEIVED THEM. Files may not be taken
from the office. No briefcases, large totes, etc, are permitted in the file review area. To
remove, alter, deface, mutilate, or destroy material in one of these files is a misdemeanor for
which you can be fined up to $500.00.
In accordance with General Statute 25-3-512, a $25.00 processing fee will be charged and
collected for checks on which payment has been refused.
The customer must present a photo ID, sign-in, and receive a visitor sticker prior to reviewing
files.
SEi-a-
Guidelines for Access: The staff of the_Raleigh Regional Office is dedicated to making public
records in our custody readily available to the public for review and copying. We also have the
responsibility to the public to safeguard these records and to carry out our day-to-day program
obligations. Please read carefully the following before signing the form.
STATE OF NORTH CAROLINA
Department of Environment and Natural Resources
Raleigh Regional Office
_________
( U l-A 4
‘e ancfName of Firm/Business Dale
Pleasd'attacfi a business card to this form if available
FILE ACCESS RECORD
_______
U (.0 __________
C c Ay Q J \
| A A’ y
Pi c u c o r P k
PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Secretary
S. JAY ZIMMERMAN
Director
April 13, 2016
Dear Mr. Pearce:
1.
2.
3.
Subject: Compliance Evaluation Inspection
Durham Triangle WWTP
Permit No. NC0026051
Durham County
The 12 MGD wastewater facility consists of the following unit: fine mechanical bar screens;
mechanical grit removal; Parshall flume; influent pump station with 6 pumps; three (3) 5-stage
BNR trains; four (4) secondary clarifiers; five (5) shallow bed sandfilters; UV disinfection; post
aeration; two (2) ultrasonic effluent flow meters; bulk reclaimed water pump station; bulk
reclaimed water storage tank; sludge lagoon; waste and RAS pumping system; methanol,
potassium hydroxide, sodium hypochlorite storage and feed systems; liquid waste activated
sludge storage; sludge dewatering facility with three centrifuges; sludge truck loading station for
contract composting operation; three (3) on-site generators.
At the time of inspection, the screenings collector, compactor, odor control system, and grit
classifier were operating normally. The number 1 and 3 BNR trains were on line. The number 2
BNR train was being drained. A broken rotor in aeration basin number 2 has been taken out of
service. Train 1 is being started up to replace train 2. You explained installing diffused aeration
may be an option instead of repairing and replacing the broken rotor. Number 1 and 3 secondary
clarifiers were in use. Number 2 and 4 secondary clarifiers were not in use due to low flow. Sludge
blankets are being kept around 3 feet in order to seed the other train being put on line. All
shallow bed sandfilters were on line. One bank of UV was being operated due to low flow.
Effluent appeared clear in the reaeration zone. The sludge EQ basin was approximately 40% full.
One sludge holding tank was off line for cleaning and resealing. The other sludge holding tank
was one-quarter full. There was no sludge being dewatered at the time of inspection.
KC
Water Resources
ENVIRONMENTAL QUALITY
Division of Water Resources, Raleigh Regional Office, Water Quality Operations Section http://portal.ncdenr.org/web/wq/aps
1628 Mail Service Center, Raleigh, NC 27699-1628 Phone: [phone]
Location: 3800 Barrett Drive, Raleigh, NC 27609 Fax: [phone]
The subject permit became effective December 1, 2011 and expires April 30, 2016. It was
explained that permit renewal request was submitted prior to 180 days of permit expiration.
Joe Pearce, PE, Utility Division Manager
Durham County Engineering and Environmental Services
5926 Hwy. 55 East
Durham, NC 27713
On March 30, 2016 Mitch Hayes conducted the subject inspection. Time and assistance provided by
you, Shawn Davis, Paul Langfield, and Stephanie Brixey was appreciated. Please find attached to this letter
the Basinwide Information Management System check list summarizing the inspection. Below is a list of
findings developed from the inspection and review of the permit:
Sincerely,
cc: Central files
Permit files
Danny Smith, Regional Supervisor
Water Quality Regional Operations Section
Raleigh Regional Office
4. The laboratory was checked in a cursory manner. Durham Triangle WWTP laboratory analyzes
pH, total residual low level chlorine, temperature, conductivity, and dissolved oxygen. Toxicity is
split between Merritech and ETS. Merritech analyzes all other parameters. All instruments,
meters, probes, photometric cells are maintained in good condition. All standards, reagents and
consumables used are within expiration dates.
I would like to thank you and the staff that provided their time and assistance with this inspection. If
you have any questions about the inspection or this letter, please contact Mitch Hayes at 919.791.4261
or at [e-mail]
5. Discharge Monitoring Reports (DMR's) for the period January 2015 through January 2016 were
reviewed for compliance with permit limits and monitoring requirements. There were no
violations listed for the review period. Data from lab bench sheets and chain of custody sheets
were compared to data on January 2016 DMR. There were no inconsistencies.
ERA
Section A: National Data System Coding (i.e., PCS)
Inspection Typeyr/mo/dayNPDES
16/03/30NC0026051
21l I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I p'>6
Bl QA ■Reserved-
72I
Section B: Facility Data
Entry Time/Date Permit Effective Date
13/02/0110:00AM 16/03/30
Triangle WWTP
Exit Time/Date
16/03/3001:30PM
Name(s) of Onsite Representative(s)/Titles(s)/Phone and Fax Number(s)Other Facility Data
Name, Address of Responsible Official/Title/Phone and Fax Number
Contacted
Yes
Section C: Areas Evaluated During Inspection (Check only those areas evaluated)
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
(See attachment summary)
Name(s) and Signature(s) of Inspector(s)Agency/Office/Phone and Fax Numbers Date
1Page#
Permit
Self-Monitoring Program
9 Laboratory
Name and Location of Facility Inspected (For Industrial Users discharging to POTW, also include
POTW name and NPDES permit Number)
5926 NO Hwy 55 E
Durham NC 27713
fl Flow Measurement
fl Sludge Handling Disposal
fl Operations & Maintenance
fl Facility Site Review
Records/Reports
Effluent/Receiving Waters
Marvin Bernard Carter,120 E Parrish St Law Bldg Durham NC 27701/1st Back up
ORC/919-560-0735/9195600740
Form Approved.
OMB No. 2040-0057
Approval expires 8-31-98
Permit Expiration Date
16/04/30
///
Joseph R Pearce/Division Manager Utility/919-560-9035 /9195448590
Paul David Langfield/ORC/919-544-8829/
Shawn Davis/2nd Back ORC up/919-560-0735 /9195600740
Shawn Demetris Davis/ORC/919-544-8230/
United States Environmental Protection Agency
Washington, D.C. 20460
Water Compliance Inspection Report
[nJ 121
Inspection Work Days
671
Transaction Code
1
73 UJ74
Fac Type
20UI17
Facility Self-Monitoring Evaluation Rating
70 u
I11
75l 111 111180
Mitchell S Hayes RRO WQ//919-791-4200/
Signature of Management Q A Reviewer / Agency/pffice/Phone and Fax Numbers Date
EPA Form 3560-3 i^tev 9-94) Previous editions are obsolete.
71 u
18[c]
Inspector
19 [sj312 Id
1(Cont.)
3l
Section D: Summary of Finding/Comments (Attach additional sheets of narrative and checklists as necessary)
2Page#
I11 12[
NPDES
NC0026051
yr/mo/day
16/03/30
The 12 MGD wastewater facility consists of the following unit: fine mechanical bar screens;
mechanical grit removal; Parshall flume; influent pump station with 6 pumps; three (3) 5-stage BNR
trains; four (4) secondary clarifiers; five (5) shallow bed sandfilters; UV disinfection; post aeration; two
(2) ultrasonic effluent flow meters; bulk reclaimed water pump station; bulk reclaimed water storage
tank; sludge lagoon; waste and RAS pumping system; methanol, potassium hydroxide, sodium
hypochlorite storage and feed systems; liquid waste activated sludge storage; sludge dewatering
facility with three centrifuges; sludge truck loading station for contract composting operation; three (3)
on-site generators.
At the time of inspection, the screenings collector, compactor, odor control system, and grit classifier
were operating normally. The number 1 and 3 BNR trains were on line. The number 2 BNR train was
being drained. A broken rotor in aeration basin number 2 has been taken out of service. Train 1 is being
started up to replace train 2. You stated installing diffused aeration may be an option instead of
repairing and replacing the broken rotor. Number 1 and 3 secondary clarifiers were in use. Number 2
and 4 secondary clarifiers were not in use due to low flow. Sludge blankets are being kept around 3 feet
in order to seed the other train being put on line. All shallow bed sandfilters were on line. One bank of
UV was being operated due to low flow. Effluent appeared clear in the reaeration zone. The sludge EQ
basin was approximately 40% full. One sludge holding tank was off line for cleaning and resealing. The
other sludge holding tank was one-quarter full. There was no sludge being dewatered at the time of
inspection.
The laboratory was checked in a cursory manner. Durham Triangle WWTP laboratory analyzes pH,
total residual low level chlorine, temperature, conductivity, and dissolved oxygen. Toxicity is split
between Merritech and ETS. Merritech analyzes all other parameters. All instruments, meters, probes,
photometric cells are maintained in good condition. All standards, reagents and consumables used are
within expiration dates.
Discharge Monitoring Reports (DMR’s) for the period January 2015 through January 2016 were
reviewed for compliance with permit limits and monitoring requirements. There were no violations listed
for the review period. Data from lab bench sheets and chain of custody sheets were compared to data
on January 2016 DMR. There were no inconsistencies.
I17
Inspection Type
181£]
Operations & Maintenance Yes No NA NE
Is the plant generally clean with acceptable housekeeping?
Comment:
Permit Yes No NA NE
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Is the facility as described in the permit?
# Are there any special conditions for the permit?
Is access to the plant site restricted to the general public?
Is the inspector granted access to all areas for inspection?
Comment:
Record Keeping Yes No NA NE
Are records kept and maintained as required by the permit?
Is all required information readily available, complete and current?
Are all records maintained for 3 years (lab. reg. required 5 years)?
Are analytical results consistent with data reported on DMRs?
Is the chain-of-custody complete?
Dates, times and location of sampling
Name of individual performing the sampling
Results of analysis and calibration
Dates of analysis
Name of person performing analyses
Transported COCs
Are DMRs complete: do they include all permit parameters?
Has the facility submitted its annual compliance report to users and DWQ?
Is the ORC visitation log available and current?
Is the ORC certified at grade equal to or higher than the facility classification?
Is the backup operator certified at one grade less or greater than the facility classification?
Is a copy of the current NPDES permit available on site?
3Page#
Owner - Facility:
Inspection Type:
Triangle WWTP
Compliance Evaluation
Does the facility analyze process control parameters, for ex: MLSS, MCRT, Settleable
Solids, pH, DO, Sludge Judge, and other that are applicable?
(If the present permit expires in 6 months or less). Has the permittee submitted a new
application?
(If the facility is = or > 5 MGD permitted flow) Do they operate 24/7 with a certified operator
on each shift?
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Permit: NC0026051
Inspection Date: 03/30/2016
Record Keeping Yes No NA NE
■ Facility has copy of previous year's Annual Report on file for review?
January 2016 DMR data checked, no inconsistancies.Comment:
Effluent Pipe Yes No NA NE
Is right of way to the outfall properly maintained?■
■ Are the receiving water free of foam other than trace amounts and other debris?
■ If effluent (diffuser pipes are required) are they operating properly?
Effleunt at the cascade aeration appeared clear.Comment:
Flow Measurement - Effluent Yes No NA NE
# Is flow meter used for reporting?
Is flow meter calibrated annually?
Is the flow meter operational?
(If units are separated) Does the chart recorder match the flow meter? ■
Comment: All meters are calibrated annually by CIT.
Aerobic Digester Yes No NA NE
Is the capacity adequate?■
Is the mixing adequate?■
Is the site free of excessive foaming in the tank?
# Is the odor acceptable?
# Is tankage available for properly waste sludge?
Comment:
Chemical Feed Yes No NA NE
Is containment adequate?■
Is storage adequate?■
Are backup pumps available?
Is the site free of excessive leaking?
Comment:
Solids Handling Eguipment Yes No NA NE
Is the equipment operational?
4Page#
Owner - Facility: Triangle WWTP
Inspection Type: Compliance Evaluation
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Permit: NC0026051
Inspection Date: 03/30/2016
Solids Handling Equipment Yes No NA NE
■ Is the chemical feed equipment operational?
Is storage adequate?
Is the site free of high level of solids in filtrate from filter presses or vacuum filters?
Is the site free of sludge buildup on belts and/or rollers of filter press?
■ Is the site free of excessive moisture in belt filter press sludge cake?
The facility has an approved sludge management plan?
dewatering operatons were not being conducted the day of inspection.Comment:
Pump Station - Influent Yes No NA NE
■ Is the pump wet well free of bypass lines or structures?
Is the wet well free of excessive grease?
■ Are all pumps present?
■ Are all pumps operable?
Are float controls operable?
■ Is SCADA telemetry available and operational?
Is audible and visual alarm available and operational?
Comment:
Bar Screens Yes No NA NE
Type of bar screen
a.Manual
b.Mechanical
Are the bars adequately screening debris?
■ Is the screen free of excessive debris?
Is disposal of screening in compliance?
■ Is the unit in good condition?
Comment:
Grit Removal Yes No NA NE
Type of grit removal
a.Manual
b.Mechanical
Is the grit free of excessive organic matter?
5Page#
Permit: NC0026051
Inspection Date: 03/30/2016
Owner - Facility:
Inspection Type:
Triangle WWTP
Compliance Evaluation
Grit Removal Yes No NA NE
■ Is the grit free of excessive odor?
■ # Is disposal of grit in compliance?
Comment:
Secondary Clarifier Yes No NA NE
■ Is the clarifier free of black and odorous wastewater?
■ Is the site free of excessive buildup of solids in center well of circular clarifier?
■ Are weirs level?
■ Is the site free of weir blockage?
Is the site free of evidence of short-circuiting?
■ Is scum removal adequate?
■ Is the site free of excessive floating sludge?
■ Is the drive unit operational?
■ Is the return rate acceptable (low turbulence)?
Is the overflow clear of excessive solids/pin floc?
Is the sludge blanket level acceptable? (Approximately % of the sidewall depth)
Number 1 and 3 clarifiers were on line. Clarifiers 2 and 4 were being drained downComment:
Aeration Basins Yes No NA NE
Mode of operation Ext. Air
Type of aeration system Diffused
■ Is the basin free of dead spots?
Are surface aerators and mixers operational?
■ Are the diffusers operational?
■ Is the foam the proper color for the treatment process?
■ Does the foam cover less than 25% of the basin’s surface?
Is the DO level acceptable?
■ Is the DO level acceptable?(1.0 to 3.0 mg/l)
One and three trains were being operated. The second trained was being emptied,Comment:
Nutrient Removal Yes No NA NE
# Is total nitrogen removal required?
■ # Is total phosphorous removal required?
6Page#
Owner - Facility:
Inspection Type:
Triangle WWTP
Compliance Evaluation
■
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Permit: NC0026051
Inspection Date: 03/30/2016
Nutrient Removal Yes No NA NE
BiologicalType
# Is chemical feed required to sustain process?
■ Is nutrient removal process operating properly?
Comment:
Filtration (High Rate Tertiary)Yes No NA NE
Down flowType of operation:
Is the filter media present?
■ Is the filter surface free of clogging?
■ Is the filter free of growth?
■ Is the air scour operational?
■ Is the scouring acceptable?
■ Is the clear well free of excessive solids and filter media?
There are 5 shallow bed sandfilter beds. All were being operated.Comment:
Disinfection - UV Yes No NA NE
Are extra UV bulbs available on site?
Are UV bulbs clean?
■ Is UV intensity adequate?
Is transmittance at or above designed level?
Is there a backup system on site?
Is effluent clear and free of solids?
There are two banks of UV, one is in use due to low flowComment:
Standby Power Yes No NA NE
■ Is automatically activated standby power available?
Is the generator tested by interrupting primary power source?
■ Is the generator tested under load?
■ Was generator tested & operational during the inspection?
Do the generator(s) have adequate capacity to operate the entire wastewater site?
Is there an emergency agreement with a fuel vendor for extended run on back-up power?
Is the generator fuel level monitored?
7Page#
Owner - Facility:
Inspection Type:
Triangle WWTP
Compliance Evaluation
Permit: NC0026051
Inspection Date: 03/30/2016
MeOH is used in the secondary treatment. Sodium aluminate is used for additional
Phosphorus removal.
Standby Power Yes No NA NE
Generators are operated weekly and operated under load monthly.Comment:
Pumps-RAS-WAS Yes No NA NE
Are pumps in place?
Are pumps operational?
Are there adequate spare parts and supplies on site?
Comment:
Laboratory Yes No NA NE
Are field parameters performed by certified personnel or laboratory?
Incubator (Fecal Coliform) set to 44.5 degrees Celsius*/- 0.2 degrees?
Incubator (BOD) set to 20.0 degrees Celsius +/-1.0 degrees?
ETS and Meritech Labs are used for contract labComment:
Influent Sampling Yes No NA NE
# Is composite sampling flow proportional?
Is sample collected above side streams?
Is proper volume collected?
Is the tubing clean?
Is sampling performed according to the permit?■
Comment:
Effluent Sampling Yes No NA NE
Is composite sampling flow proportional?
Is sample collected below all treatment units?
Is proper volume collected?
Is the tubing clean?
8Page#
Are all other parameters(excluding field parameters) performed by a certified lab?
# Is the facility using a contract lab?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
Celsius)?
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
Celsius)?
Permit: NC0026051
Inspection Date: 03/30/2016
Owner - Facility: Triangle WWTP
Inspection Type: Compliance Evaluation
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Permit: NC0026051
Inspection Date: 03/30/2016
Effluent Sampling Yes No NA NE
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Comment:
Upstream I Downstream Sampling Yes No NA NE

Comment:
9Page#
Owner - Facility:
Inspection Type:
Triangle WWTP
Compliance Evaluation
# Is proper temperature set for sample storage (kept at less than or equal to 6.0 degrees
Celsius)?
Is the facility sampling performed as required by the permit (frequency, sampling type
representative)?
Is the facility sampling performed as required by the permit (frequency, sampling type, and
sampling location)?
KC PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Director
May 25, 2016
I
I IC
Subject:
NO DENR Raleigh Regional
Dear NPDES Permittee:
EPA is phasing in the requirements of the rule over a 5-year period. The two phases of the rule, and their
key milestones, are:
Upcoming NPDES Permit Reissuance
The NPDES Electronic Reporting Rule requires authorized NPDES programs to incorporate electronic
reporting requirements into NPDES permits beginning December 21, 2015. Under the new rule, the
electronic reporting process supersedes the paper reporting process outlined in your existing permit.
According to our records, your NPDES permit is up for renewal. If you have submitted your renewal
application, or you are in the process of doing so, and are awaiting your reissued NPDES permit, then this
letter serves to notify you that your reissued permit will include the new electronic reporting
requirements. The reissued permit will require electronic reporting in place of paper-based reporting.
Joseph Pearce
Durham County
5926 NC Hwy 55 E
Durham, NC 27713
• Phase 1 - Starting on December 21, 2016, regulated entities that are required to submit Discharge
Monitoring Reports (DMRs) will begin submitting these reports electronically. If you are currently
reporting your DMR data electronically using eDMR, then you simply need to continue reporting
in the same way as you are now. The key change is that, starting on December 21, 2016,
electronic reporting of DMRs will be required, instead of voluntary.
• Phase 2-Starting on December 21, 2020, regulated entities that are required to submit certain
other NPDES reports will begin submitting these reports electronically. Reports covered in the
second phase include Notices of Intent to discharge in compliance with an NPDES general permit,
Sewer Overflow/Bypass Event Reports, and a number of other NPDES program reports.
NPDES Electronic Reporting Requirements
Triangle WWTP
NPDES Permit Number: NC0026051
Water Resources
ENVIRONMENTAL QUALITY
State of North Carolina | Environmental Quality | Water Resources
1617 Mail Service Center j Raleigh, North Carolina 27699-1617
919 807 6300
Secretary
S. JAY ZIMMERMAN
The U.S. Environmental Protection Agency (EPA) recently published the National Pollutant Discharge
Elimination System (NPDES) Electronic Reporting Rule. The rule requires NPDES regulated facilities to
report information electronically, instead of filing written paper reports. The rule does not change what
information is required from facilities. It only changes the method by which information is provided (i.e.,
electronic rather than paper-based).
Sincerely,
Jeffrey O.
forS. Jay Zimmerman, P.G.
Cc:
In addition to requiring permittees to report information electronically, the rule also requires permittees
to identify the initial recipient for the NPDES electronic reporting data [see 40 CFR 122.41(l)(9)]. Initial
recipient of electronic NPDES information from NPDES-regulated facilities (initial recipient) means the
entity (EPA or the state authorized by EPA to implement the NPDES program) that is the designated entity
for receiving electronic NPDES Data [see 40 CFR 127.2(b)]. Permittees are required to electronically
submit the required NPDES information to the appropriate initial recipient, as determined by EPA. By July
18, 2016, EPA must identify and publish on its web site and in the Federal Register a listing of initial
recipients by state and by NPDES data group. Once available, you should use EPA's web site to identify
the initial recipient of your electronic submission.
EPA's web site will also link to the appropriate electronic reporting tool for each type of electronic
submission for each state. Instructions on how to access and use the appropriate electronic reporting
tool will be available as well.
Regardless of when you receive your reissued NPDES permit, electronic reporting will be required
beginning as indicated above for Phases 1 and 2 reporting.
NC DWR has requested to be the initial recipient for the following NPDES data groups:
1. Discharge Monitoring Reports;
2. General Permit Reports [Notices of Intent to discharge (NOIs); Notices of Termination (NOTs)];
3. Pretreatment Program Reports; and
4. Sewer Overflow/Bypass Event Reports
NPDES File
Central Files
Raleigh Regional Office / Water Quality Program
For more information on EPA's NPDES Electronic Reporting Rule, visit
http://www2.epa.gov/compliance/final-national-pollutant-discharge-elimination-system-npdes-
electronic-reporting-rule. For more information on electronic reporting to NC DWR, visit
http://deq.nc.gov/about/divisions/water-resources/edmr/npdes-electronic-reporting or contact Vanessa
Manuel at 919-807-6392 or via email at Vanessa .Man uel@ ncdenr.gov.
Hayes, Mitch
E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties.
JOE PEARCE, PE | UTILITY DIVISION MANAGER
Eo
From: Pearce, Joseph R. [mailto:[e-mail]]
Sent: Tuesday, April 19, 2016 9:53 AM
To: Hayes, Mitch <[e-mail]>
Cc: Brixey, Stephanie <[e-mail]>; Langfield, Paul D. <[e-mail]>
Subject: Triangle WWTP CEI, NC0026051
Mitch,
I have reviewed the CEI and found three minor inconsistencies:
• We have four on-site permanent generators. (There are two parallel generators for the BNR.)
• Page 7 - second question - Is nutrient removal process operating properly? You marked no. I think you
probably meant to mark "Yes". I think we probably operate the best nutrient removal municipal wastewater
treatment plant in this state! I may be a little biased.
• Page 7- seventh question - air scour. You marked yes. Traveling bridge filters do not use air scour, it is water
backflow scoured - "NA".
If you would review and concur via email, it would be appreciated.
Thanks,
Joe
5926 Hwy. 55 East
Durham, North Carolina 27713
Office [phone] | Fax [phone] | Cell [phone]
1
Mitch Hayes, Environmental Specialist
NCDEQ - Division of Water Resources
Water Quality Regional Operations Section
1628 MSC, Raleigh, NC 27699-1699
(P) 919.791.4261 - (F) 919.788.7159
http://portal.ncdenr.org/web/wq/
From:
Sent:
To:
Cc:
Subject:
Hayes, Mitch
Tuesday, April 19, 2016 10:19 AM
Pearce, Joseph R.'
Stephanie Brixey ([e-mail]); ,[e-mail]'
RE: Triangle WWTP CEI, NC0026051
DURHAM COUNTY
Engineering and
Environmental Services
I agree Joe, there are 4 on-site permanent generators. I did miss one of the parallel generator for the BNR. I did
incorrectly mark the BIMS sheet "NO" for the question of is nutrient removal process operating properly. I also marked
on the BIMS sheet air scoured for the Traveling Bridge filters when it should have been N/A.
Thanks for your review Joe. I will put a copy of this email in the file for the next inspector.
Have a great day!
Mitch
spectors’ Checklist for FieRegions a ra meters
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Yes
TRC TEMP DO SC SETT
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H^Yes No
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[RVes No
E'Yes Noeach day
B Yes No
Si
Regional Plant Inspector: (V)
Raninnol Incnartnr C.nntart it' O "ZTSJ / //J "I /
Lab Contact: j-^p
Yes
&Yes
B-Yes
Yes
No
No
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No
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No
No
No
T^Yes
A^Yes
□^?es
^Ves
No
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3OQ
Noig-Ves
____
Are the following items documented where applicable):
Item ____________. . ■ .
Date of sample collection*________________
Time of sample collection*________________
Sample collector’s initials or signature_______
Date of sample analysis*_________________
Time of sample analysis*_________________
Analyst initials or signature_______________
Sample location_______________________________
‘Date and time of sample collection and analysis may be the same for in situ or on-site measurements.
III. Total Residual Chlorine I
Total Residual Chlorine meter make and model: Y [<-, c jD ~
Is a check standard analyzed each day of use? (Circle one: gel or/ljquiy standard)
What is the assigned/observed value of the daily check standard?*^^ ^ ~
Is a 5-point calibration verification performed? Note date of last verification: /
Alternatively, does the lab construct a linear regression, using 5 standards, to calculate
results? Note date of last calibration curve constructed:
True values: B'^jg/L mg/L / 3 _3>C>____________
Obtained values: Bpg/I-Dmg/L j i JOfQ.
What program are samples analyzed on? O (a
Are results reported in proper units? Check one: Epg/L mg/L
Are results reported between the facility’s permit limit and the compliance limit of 50 pg/L?
If value is less than the low standard, report as “<x”, where x=low standard cone._________
Are samples analyzed within 15 minutes of collection? _________________________
IV. pH ____• ■
pH meter make and model: Q-r, c>-/\ \IC a f ____________________•
Is the pH meter calibrated with at least 2 buffers per mfg’s instructions each day of use?
Note buffers used: 3___________________________________________
Is the pH meter calibration checked with an additional buffer each day of use? Note check
buffer used: z . I O______ji y •_________________
Does the check buffer read within ±0.1 S.U. of the known value?
Are the following items documented:______________________________________
Meter calibration?___________ _______'_____________________________'
Check buffer reading? _________________________________________________
Are samples analyzed within 15 minutes of,collection?______________________________
Are sample results reported to 0.1 pH units?______________________________________
Regional Inspector Contact #: Q ) 9, 79 /
Region:
Date:
Check the parameter(s) performed at this site for reporting purposes.
Total Residual Chlorine (TRC) Temperature (TEMP) Specific Conductivity (SC)
pH Dissolved Oxygen (DO) Settleable Residue (SETT)
II. General Laboratory (note any exceptions in section XI)________________
Are instruments, meters, probes, photometric cells, etc, maintained in good condition?
Are standards, reagents and consumables used within manufacturer expiration dates?
[TRC gel standard is exempt.]
Facility Name: (]~)
NPDES#: ^000^605 )
Field Lab Certification #: I ________
Lab Contact:
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