NC0004812_Modification_20100521

NPDES DOCUNEMT SCAMMIM& COVER SHEET
NPDES Permit:
NC0004812
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
-Permit Modification
Compliance 1 Enforcement
Permit History
Date Range:
Correspondence
Document Date:
TNIS DOCUMENT IS PRINTED ON REUSE PAPER - IGNORE ANY CONTENT ON THE
REVERSE SIDE

NODE R
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
Mr- James Davis, Environmental Manager
Pharr Yarns
P.O. Boa 1939
McAdenville, North Carolina 28101
Division of Water Quality
Coleen H. Sullins
Director
May 21, 2010
Dee Freeman
Secretary.
Subject: Error Correction
NPDES Permit NCO0004812
Pharr Yarns Industrial WWIT
Gaston County
Dear Mr, Davis:
On October 21, 2009, the Division of Water Quality issued NPDES Permit No. NC0004812 to Pharr Yarns.
It has been brought to our attention that the Sampling Type for Sulfide was incorrectly identified as Composite. Please insert
the enclosed corrected effluent sheet and discard the old sheet. This permit modification becomes effective on the effective
date of the permit.
All other terms and conditions in the original permit remain unchanged and in full effect. These modifications are
issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement
between North Carolina and the U.S. Environmental Protection Agency dated December 6, 1983.
If any parts, measurement frequencies or sampling requirements contained in this modification 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 150B of the North Carolina General Statutes,
and filed with the Office of Administrative Hearings, Post Office Drawer 11666, Raleigh, North Carolina 27604. Unless such
demand is made, this decision shall be final and binding. If you have any questions concerning this pernnit, please contact
Sergei Chernikov at telephone number (919) 807--6393.
Sin erely,
oleen H. Sullins
cc: NPDES Files
Mooresville Regional Office / Surface Water Protection Section (e-copy)
Aquatic Toxicology Unit (e-copy)
TACU (e-copy)
DEH (e-copy)
EPA Region Ill
1617 Maii Service Center, Ralegh, North Carolina 27699-1617
Location: 512 N. Salisbury $I, Raleigh, North Carolina 27604 One
Phone: [phone]FAX [phone]Customer Service: 1-877-523-6748 NorthCarofina
Internet: www,ncwaterquality.org y //� ,
An Equal oppoaunily`,Affirmative Action Employer Natmal r

Permit NC0004812
A. (1.) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
During the period beginning on the effective date of this permit and lasting until the first time the monthly
average flow exceeds 0.5-MGD, the Permittee is authorized to discharge from outfall 001. Such discharges
shall be limited and monitored by the Permittee as specified below:
EFFLUENT,,, "�., .;".;`,:;..,,:
CHARACTERISTICS
LIMITS ;: _ = , +_
MONITORING REQUIREMENTS,
Monthly Average-
Daily Maximum.., -
-Measurement
Frequency
-'Sample "'
Type.
Sample Location'
Flow
0.5 MGD
Continuous
Recording
Influent or Effluent
BOD5, 20cC
164.8lbslda .
284.0lbs/da
---Weekly
Composite
Effluent
Total Suspended Solids
147.7 lbs/day
249.7 lbs/day
Weekly
Composite
Effluent
COD
1115A lbs/day
2130.3 lbs/day
Weekly
Composite
Effluent
Sulfide
2.6 lbs/day
5.2 lbs/day
Weekly
Grab
Effluent
Phenols
1.3 lbs/day
2.6 lbs/day
Weekly
Grab
Effluent
Total Chromium
1.3 lbs/day
2.6 lbs/day
Weekly
Composite
Effluent
Fecal Coliform (geometric mean)
200/100 mL
400/100 mL
Weekly
Grab
Effluent, Upstream,
Downstream'
NH3-N
Weejkly
Composite
Effluent
Dissolved'Oxygen
Weekly
Grab
Effluent, Upstream,
Downstream'
Hz
Weekly
Grab
Effluent
Temperature
Daily
Grab
Effluent
Temperature
Weekly
Grab
Upstream,
Downstream
Conductivity
Weekly
Grab
Effluent, Upstream,
Downstream'
Total Nitrogen
(NOz + NO3 + TKN)3
No Effluent Limitation (mglL)
No Effluent Limitation (lb/month) (3)
13,698 lb/year (annual mass loading) (3)
Weekly
Composite
Effluent
Month!
Calculated
Effluent
Annually
(Calculated)
Effluent
Total Phosphorus3
No Effluent Limitation (mglL)
No Effluent Limitation (lb/month) (3)
1522 Iblyear (annual mass loading) 13)
Weekly
Composite
Effluent
Monthly
Calculated
Effluent
Annually
(Calculated)
Effluent
Color^
Monthly
Composite
Effluent
Colon
Monthly
Grab
Upstream,
Downstream'
Chronic Toxicity5
Quarterly
Composite
Effluent
Total Residual Chlorines
28 IL
Weekly
Grab
Effluent
Notes:
1 Sample locations: Upstream - upstream 50 feet or more above the discharge point; Downstream - downstream at
Highway 7 bridge. Instream monitoring shall be conducted 3/week from June through September and once per week
the remainder of the year.
2 The pH shall not be less than 6.0 standard units nor greater than 9.0 standard units
3 The annual mass loading for total nitrogen and total phosphorus for Outfall 001 shall be monitored and calculated as
prescribed in Part A.(5.).
A See Special Condition A.(6.) for more information on the permit requirements associated with color. Effluent color
samples shall be taken year round on a monthly basis. Instream sampling shall be performed on a monthly basis from
April through October.
5 Chronic toxicity (Ceriodaphnia, P/F test at 0.62%) shall be performed in January, April, July and October. See Part
A. (3.)
6 The facility shall report all effluent TRC values reported by a NC certified laboratory including field certified. However,
effluent values below 50 ug/L will be treated as zero for compliance purposes.
There shaA be no discharge of floating solids or visible foam in other than trace amounts.