NC0088838_Permit Issuance_20090914

/A
Beverly Eaves Perdue
Governor
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Coleen H. Sullins
Director
Stuart Kerkhoff,
Radiator Specialty Company
600 Radiator Road
Indian Trail, North Carolina 28079
Dear Mr. Kerkhoff:
September 14, 2009
Dee Freeman
Secretary
Subject: Issuance of NPDES Permit NCO088838
Radiator Specialty Company
Union County
Division personnel have reviewed and approved your application for a new NPDES discharge.
Accordingly, we are forwarding the attached NPDES discharge 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 U.S. Environmental Protection Agency dated October 15, 2007 (or as subsequently amended).
This final permit includes no major changes from the draft permit sent to you on July 14, 2009.
The Division is unable to grant your request to change flow measurement frequency. According to the
Division's policy, all facilities with the flow limit above 0.01 MGD are required to monitor flow continuously.
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 150B of the North
Carolina General Statutes, and filed with the Office of Administrative Hearings (6714 Mail Service Center, Raleigh,
North Carolina 27699-6714). Unless such demand is made, this decision shall be final and binding.
1617 Mail Service Center, Raleigh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 one
Phone: [phone] FAX: [phone] l Customer Service:1-877-623-6748 NofthCarohna
Internet: wvwu.ncwaterqualit,+.org Natumliff An Equal opportunity l Affirmative Action Employer

ti
Please note that this permit is not transferable except after notice to the Division. The Division may k '>
require modification or revocation and reissuance of the permit. This permit does not affect the legal requirements
to obtain other permits which may be required by the Division of Water Quality or permits required by the
Division of Land Resources, the 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 Sergei Chernikov at `
telephone number [phone].
Sincerely
Coleen H. Sullins
cc: MRO-Surface Water Protection
NPDES File
Central Files
Aquatic Toxicology Unit (e-copy)
1617 Mail Service Center, Raleyh, North Carolina 27699-1617
Location: 512 N. Salisbury St. Ralegh, North Carolina 27604 One
Phone: 919-801L3001 FAX: [phone] Customer Service: 1-877-623-6748 NorthCarolina
InternetEqual
www.navater Affirmative
rg
Action
'A'atu yallb,
An Equal Opportunity 1 Affienalive Action Employer � �/K `K"

Permit NCO088838
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
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,
Radiator Specialty Company
is hereby authorized to discharge wastewater from a facility located at the
Radiator Specialty Company
600 Radiator Road
Indian Trail
Union County
to receiving waters designated as an unnamed tributary to Unnamed Tributary to South
Fork Crooked Creek in the Yadkin River Basin in accordance with effluent limitations,
monitoring requirements, and other conditions set forth in Parts I, II, III, and IV hereof.
The permit shall become effective October 1, 2009.
This permit and the authorization to discharge shall expire at midnight on October 31, 2013.
Signed this day September 14, 2009.
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission

Permit NC00888311
4
SUPPLEMENT TO PERMIT COVER SHEET
All previous NPDES Permits issued to this facility, whether for operation or discharge are hereby
revoked. As of this permit issuance, any previously issued permit bearing this number is no longer
effective. Therefore, the exclusive authority to operate and discharge from this facility arises under the
permit conditions, requirements, terms, and provisions included herein.
Radiator Specialty Company is hereby authorized to:
1. Upon receiving an Authorization to Construct from the Division of Water Quality,
construct a 0.090 MGD groundwater treatment plant located at Radiator Specialty
Company, 600 Radiator Road, Indian Trail, Union County.
2. After submitting an Engineer's Certification, discharge from said treatment works at
the location specified on the attached map into unnamed tributary to the South Fork
Crooked Creek, a class C water in the Yadkin River Basin.

_v
.life. ian
l'rnil
'•�.
-,�
1..
_
1 ,k� FYI
- E
- �
l�
.� ♦
�I � .' / h -- -_- `
ilk
d �• c
1
%
Y.
f
SC PRQDUCTkp
"
BUIL61NG
rALt
_..
M1 IIi IlI
_ rn
.'.` •ice
Radiator Specialty Company - NCO088838 Facility
Location S
Receiving Stream: UT to South Fork Lat.: 35°03'55"
Crooked Creek Long.: 80°39'14"
Stream Class: C Subbasin: Yadkin Pee Dee - 03 0712 N Not to SCALE
JUG o30(4-0lOS

Permit NCO088838
0
A. (1) EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Beginning on the effective date of this permit and lasting until expiration, the Permittee is authorized
to discharge treated groundwater from Outfall 001. Such discharges shall be limited and monitored
by the Permittee as specified below:
EFFLUENT
CHARACTERISTICS
EFFLUENT
... ,IJ `IMITATIONS
MONITORING,REQUIREMENTS`
,
Monthly
Average: -.
Daily
Maximum:
Measurement
Frequency
Sample'I'ype
_
Sample
Location-,
Flow'
0.090 MGD
Continuous
Recording
Effluent
Total Suspended Solids
30.0 mg/ L
45.0 mg/ L
Monthly
Grab
Effluent
Chloroethane
Quarterly
Grab
Effluent
1,1 - Dichloroethane
Quarterly
Grab
Effluent
1,1 - Dichloroethene
Quarterly
Grab
Effluent
1,2 - Dichloroethene
(total)
Quarterly
Grab
Effluent
Tetrachloroethene
3.0 pg/ L
Monthly.
Grab
Effluent
1, 1, 1 -Trichloroethane k1Z
4.0 pg/L
Monthly
Grab
Effluent
Trichloroethene
Quarterly
Grab
Effluent
Benzene , ,
Quarterly
Grab
Effluent
Methylene Chloride tit
Quarterly
Grab
Effluent
1,2 - Dichloroethane ,��
Quarterly
Grab
Effluent
Toluene C
Quarterly
Grab
Effluent
Vinyl Chloride ✓
2.0 pg/ L
Monthly
Grab
Effluent
Chronic Toxicity2
Quarterly
Grab
Effluent
Notes:
1. Flow may be measured using a totalizing flow meter.
2. Chronic Toxicity (Ceriodaphnia) limit at 90% with testing in January, April, July and
October (see A. (2) ).
There shall be no discharge of floating solids or visible foam in other than trace amounts.
Quarterly samples for monitored parameters shall coincide with the chronic toxicity test.

Permit NC008883E
A. (2) CHRONIC TOXICITY PERMIT LIMIT. (Quarterly)
The effluent discharge shall at no time exhibit observable inhibition of reproduction or significant
mortality to Ceriodaphnia dubia at an effluent concentration of 90%.
The permit holder shall perform at a minimum, guarterig monitoring using test procedures outlined ins
the "North Carolina Ceriodaphnia Chronic Effluent Bioassay Procedure," Revised February 1998, or
subsequent versions or "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure"
(Revised -February 1998) or subsequent versions. The tests will be performed during the months of
January, April, July and October. Effluent sampling for this testing shall be performed at the
NPDES permitted final effluent discharge below all treatment processes.
If the test procedure performed as the first test of any single quarter results in a failure or ChV
below the permit limit, then multiple -concentration testing shall be performed at a minimum, in
each of the two following months as described in "North Carolina Phase II Chronic Whole
Effluent Toxicity Test Procedure" (Revised -February 1998) or subsequent versions.
The chronic value for multiple concentration tests will be determined using the geometric mean of the
highest concentration having no detectable impairment of reproduction or survival and the lowest
concentration that does have a detectable impairment of reproduction or survival. The definition of
"detectable impairment," collection methods, exposure regimes, and further statistical methods are
specified in the "North Carolina Phase II Chronic Whole Effluent Toxicity Test Procedure" (Revised -
February 1998) or subsequent versions.
All toxicity testing results required as part of this permit condition will be entered on the Effluent
Discharge Monitoring Form (MR-1) for the months in which tests were performed, using the
parameter code TGP3B for the pass/fail results and THP3B for the Chronic Value. Additionally, DWQ
Form AT-3 (original) is to be sent to the following address:
Attention: North Carolina Division of Water Quality
Environmental Sciences Section
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Completed Aquatic Toxicity Test Forms shall be filed with the Environmental Sciences Section no later
than 30 days after the end of the reporting period for which the report is made.
Test data shall be complete, accurate, include all supporting chemical/physical measurements and all
concentration/response data, and be certified by laboratory supervisor and ORC or approved designate
signature. Total residual chlorine of the effluent toxicity sample must be measured and reported if
chlorine is employed for disinfection of the waste stream.
Should there be no discharge of flow from the facility during a month in which toxicity monitoring is
required, the permittee will complete the information located at the top of the aquatic toxicity (AT) test
form indicating the facility name, permit number, pipe number, county, and the month/year of the
report with the notation of "No Flow" in the comment area of the form. The report shall be submitted
to the Environmental Sciences Section at the address cited above. Should the permittee fail to monitor
during a month in which toxicity monitoring is required, monitoring will be required during the
following month. Should any test data from this monitoring requirement or tests performed by the
North Carolina Division of Water Quality indicate potential impacts to the receiving stream, this permit
may be re -opened and modified to include alternate monitoring requirements or limits. If the Permittee
monitors any pollutant more frequently then required by this permit, the results of such monitoring
shall be included in the calculation & reporting of the data submitted on the DMR & all AT Forms
submitted.
NOTE:. Failure to achieve test conditions as specified in the cited document, such as minimum control
organism survival, minimum control organism reproduction, and appropriate environmental controls,
shall constitute an invalid test and will require immediate follow-up testing to be completed no later
than the last day of the month following the month of the initial monitoring.

4
The Charlotte Observer Publishing Co.
Charlotte, NC
North Carolina } ss Affidavit of Publication
Mecklenburg County}
THE CHARLOTTE OBSERVER
DINA SPRINKLE
NCDENR/DWQ/POINT SOURCE BRANCH
1617 MAIL SERVICE CENTER
RALEIGH NC 27699
REFERENCE: 30063432
6366782 wastewater permit
Before the undersigned, a Notary Public of said i
County and State, duly authorized to administer s
oaths affirmations, etc., personally appeared, s
being duly sworn or affirmed according to Law, s
doth depose and say that he/she is a s
representative of The Charlotte Observer s
PubLishing Company, a corporation organized and s
doing business under the Laws of the State of s
De Laware, and publishing a newspaper known as The
Charlotte Observer in the city of Charlotte, s
County of Mecklenburg, and State of North Carolinas
and that as such he/she is familiar with the s
books, records, fiLes, and business of said s
Corporation and by reference to the files of said s
publication, the attached advertisement was
inserted. The following is correctly copied from s
the books and fiLes of the aforesaid Corporation s
and Publication. I
PUBLISHED ON: 07/19
AD SPACE: 64 LINE
FILED ON:rW 07/24/09
Public Notice
North Carolina Environmental Management
CommissioryNPOES Unit
i6t7 MaA Seneca center
Raleigh, NC 2769 1617
Notice 0 Intent to Issue a NPDES Wastewater Permit
The Norm Carolina Emrimnmental Management commission
proposes to issue a NPDES Wasteweler thatcher, permit to time
persons) tiered batow. .
or
Union County r=sted renewal of permit NCOMM1 for the
checked Crack P k2 facility in Union County;this permitted
discharge b treated municipal wastewater to Nodh Fork Crooked
Creek, Ver)km-Pea Dee giver Seem.
LP6386762
NAME: �� t.nrpa- TITLE:
DATE:
In Testimony Whereof I have hereunto set my hand and affixed my seal, the
day and year afor$1d. My Commission Expires May 17, 2011
Notary: 1lll.��1,�y1(J,/AIY�/�V µ ✓v/My Commission Expires: _/_/_

i0 sV
RADIATOR SPECIALTY COMPANY
600 Radiator Road, Indian Trail, NC 28079-5225
Tel:[phone] FAX:[phone]
August 21, 2009
Mr. Sergei Chemikov, Ph.D.
Environmental Engineer II
North Carolina Department of Environment
and Natural Resources
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699
RECEIVED
AUG 2 4 20CM
DENR - WATER QUALITY
POINT SOURCE BRANCH
RE: Comments to Draft Permit
National Pollutant Discharge Elimination System
Permit Number NCO088838
Radiator Specialty Company
600 Radiator Road
Indian Trail, Union County, North Carolina
Dear Mr. Chernikov:
Radiator Specialty Company has received and reviewed the July 14, 2009
National Pollutant Discharge Elimination System Draft Permit Number NC0088838.
Radiator Specialty Company (RSC) has the following three (3) comments to the Draft
Permit.
Part I A.(1) Effluent Limitations and Monitoring Requirements
1. RSC requests the measurement frequency for the flow to be weekly.
RSC requests the sample type for the flow to be a totalizing flowmeter.
RSC requests the removal of one of the Chloroethane effluent
characteristics as it was listed twice in the permit.
Radiator Specialty Company appreciates the North Carolina Department of
Environment and Natural Resources cooperation and assistance in this matter. If you
have any questions or require additional information, please call me at [phone].
FOR MORE THAN 80 YEARS, RADIATOR SPECIALTY COMPANY HAS PRODUCED LUBRICANTS AND
CHEMICAL PRODUCTS TO HELP MAKE THINGS WORK BETTER

Mr. Sergei Chernikov, Ph.D.
August 21, 2009
Page 2
Sincerely,
Radiator Specialty Company
, Lj (j. /(j
Stuart A. Kerkhoff, CHMM
Environmental Manager
cc: Richard L. Harmon, Harmon Environmental, PA
Benne Hutson, McGuireWoods LLP
Joseph Nestor, NESCO Environmental, PLLC
Ron Weiner, Radiator Specialty Company
NPDES\COMMENTS.DOC

DENR / DWQ / NPDES
FACT SHEET FOR NPDES PERMIT DEVELOPMENT
NPDES Permit No. NCO088838
Facility Information
Applicant/ Facility Name
Radiator Specialty Company/ Radiator Specialty
Applicant Address
600 Radiator Road, Indian Trail, NC 28079
Facility Address
same
Permitted Flow (MGD)
0.090
Type of Waste
Groundwater
Facility Class
NR
County
Union
Facility Status
New
Regional Office
MRO
Stream Characteristics
Receiving Stream
UT to South
Fork Crooked
Creek
Stream
Classification
C
Drainage Area (sq. mi.)
Drainage basin
Yadkin
Summer 7Q 10 (cfs)
0
Subbasin
03-07-12
Winter 7Q 10 (cfs)
0
Use Support
impaired
30Q2 (cfs)
0.07
303(d) Listed
Yes (biological
impairment)
Average Flow (cfs)
NA
1100
State Grid
IWC (%)
USGS Topo Quad
G 16SW
Summary
Radiator Specialty Company applied for a groundwater remediation permit at their
Indian Trail facility to remove numerous volatile organic* compounds that have
been found in the groundwater.
The remediation system has been in operation since October 24, 1994. Since the
treatment was activated, treated groundwater has been discharged to the POTW
owned by Union County. However, recently Union County has indicated that it will
no longer accept this discharge.
The system consists of 4 recover wells, above -ground storage tank, and air stripper
tower. Approximately 0.09 MGD will be discharged through the outfall to the
receiving stream.
Whole Effluent Toxicity (WET) Test
WET requirement is a Quarterly Chronic using Ceriodaphnia at 90%.
Reasonable Potential Analysis (RPA)
RPA analysis was conducted for the parameters of concern (please see attached) .
Proposed Schedule of Issuance
Draft Permit to Public Notice: July 14, 2009 (est.)
Permit Scheduled to Issue: September 7, 2009 (est.)
Fact Sheet
Renewal -- NPDES Permit NCO0888838
Page 1

Y
NPDES UNIT CONTACT
If you have ' questions regarding any of the above information or on the attached
permit, please contact Sergei Chernikov at [phone].
REGIONAL OFFICE COMMENTS:
Name: Date:
Fact Sheet
Renewal -- NPDES NCO088838
Page 2

REASONABLE POTENTIAL ANALYSIS
Alt
Radiator Specialty Company
NCO088838
Time Period
0
Qw (MGD)
0.09
WWTP Class 0
7010S (Cfs)
0
1WC (%) @ 7Q10S 100
7Q10W (cfs)
0
@ 7Q10W NIA
3002 (cis)
0.07
@ 3002 66.587
Avg. Stream Flow, QA (cis)
0
@ QA N/A
Rec'ving Stream UT to South Fokr Crooked Creek
Stream Class C
Outfall 001
Qw=0.09MGD
STANDARDS &
PARAMETER
TYPE
CRITERIA (2)
PQL
Units
REASONABLE POTENTIAL RESULTS
RECOMMENDED ACTION
t11
NC VNQS/ %FAVI
n 0 Dot MAX Pred Cw Ailowaue ow
Chrunk Acute
Acute: N/A
1,1 - Dichloroethane
NC
20000
ug/L
15 12
215.2
no limit
_ _ _ _ _
Chronic: 20,000 -
-----------------------------
Acute: N/A
1,1 - Dichloroethene
NC
5400.0
ug/L
14 8
33.2
no limit ! ± �•.
_ ___ _
Chronic: 5,400
--------------------F--------
t
Acute: WA
i -
Dichloroethene (tot
NC
4400 15
ug/L
15 11
208.3
no limit
_
Chronic: — 4,400
-----------------------------
Acute: N/A
add a limit
Tetrachloroethene
NC
3 1,022
ug/L
15 9
8.8
--
--------------------�-------.
3---
Chronic:
a
Acute: WA
add a limit !
1,1,1 Trichloroethane
NC
4.4 AL 7.3
ug/L
15 3
18.8
-- _—
---------_--------- 1,1,;.Tr hi_ ,
Chronic: 4
—--------
Acute:
no lim_it__________________
Trichloroethene
NC
30 N 22
ug/L
15 8
7.8
—
-----------------------------
Chronic--- 30
Acute: WA
no limit
Benzene
NC
51
ug/L
15 6
14.2
-----------------------------
_
Chronic:-----------------------------
Acute: WA
no lim_it______________________
Chloroethane
NC
550 N 33.8
ug/L
15 9
172.1
Chronic: --650—
---------------------------
Acute: N/A
no limit
Methylene Chloride
NC
590
2.W00
ng/L
15 10
19.4040
_________________ ___ _____
_
Chronic: --5�--
-----------------------------
Acute: WA
no limit_______________
1,2-Dichloroethane
NC
37
ug/L
15 4
11.0
-
'
_ _
Chronic: -- 37 —
-----------------------------
Acute: N/A
no limit
Toluene
NC
11 281
ug/L
15 5
9.8
-----------------------------
Chronic: 11
Acute: WA
add a limit
Vinyl Chloride
NC
2 N
ug/L
15 4
41.5
Chronic: -- 2--
---------------------- ------
"Legend.
C = Carcinogenic
NC = Non -carcinogenic
A = Aesthetic
"" Freshwater Discharge
88838-RPA-2009.xis, rpa
7/9/2009

REASONABLE POTENTIAL ANALYSIS
1,1-Dichloroethane
1,1-Dichloroethene
Date Data
BDL=I20L
Results
Date Data
BDL-112DL
Results
1
18.00
18.00
Std Dev.
12.6370
1
3.40
3.40
Std Dev.
2.0837
2
44.00
44.00
Mean
10.6767
2
7.50
7.50
Mean
2.0107
3
29.00
29.00
C.V.
1.1836
3
3.70
3.70
C.V.
1.0363
4
3.50
3.50
n
15
4
0.70
0.70
n
14
5
15.00
15.00
5
1.50
1.50
6
< 5.00
2.50
Mult Factor =
4.8900
6
<
5.00
2.50
Mult Factor =
4.4200
7
< 5.00
2.50
Max. Value
44.0 ug/L
7
<
0.50
0.25
Max. Value
7.5 ug/L
8
0.80
0.80
Max. Fred Cw
215.2 ug/L
8
<
0.50
0.25
Max. Fred Cw
33.2 ug/L
9
< 0.50
0.25
9
<
0.50
0.25
10
1.60
1.60
10
<
0.50
0.25
11
0.60
0.60
11
<
0.50
0.25
12
1.80
1.80
12
1.20
1.20
13
8.60
8.60
13
2.80
2.80
14
17.00
17.00
14
3.60
3.60
15
15.00
15.00
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
199
199
200
1
200
88838.RPA-2009.x15, data
1 - 7/9/2009

REASONABLE POTENTIAL ANALYSIS
1,2 - Dichloroethene (total)
Tetrachloroethene
Date Data
BDL=112DL
Results
Date Data
BDL=1/2DL
Results
1
12.60
12.60
Std Dev.
11.0578
1
3.00
3.00
Std Dev.
1.1253
2
39.30
39.30
Mean
8.6600
2
2.90
2.90
Mean
1.6467
3
27.50
27.50
C.V.
1.2769
3
1.80
1.80
C.V.
0.6834
4
2.20
2.20
n
15
4
1.80
1.80
n
15
5
7.40
7.40
5
2.10
2.10
6
< 5.00
2.50
Mult Factor =
5.3000
6
<
5.00
2.50
Mult Factor=
2.8600
7
< 5.00
2.50
Max. Value
39.3 ug/L
7
<
5.00
2.50
Max. Value
3.1 ug/L
8
- 1.20
1.20
Max. Pred Cw
208.3 ug/L
8
<
0.50
0.25
Max. Print Cw
8.9 ug/L
9
< 0.50
0.25
9
<
0.50
0.25
10
3.50
3.50
10
0.50
0.25
11
< 0.50
0.25
11
0.70
0.70
12
2.60
2.60
12
0.50
0.25
13
5.60
5.60
13
0.70
0.70
14
11.50
11.50
14
2.60
2.60
15
11.00
11.00
15
3.10
3.10
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
199
199
200
200
88838-RPA-2009.x1s, data
-2- 7/9/2009

REASONABLE POTENTIAL ANALYSIS
1,1, 1 -Trich loroethane
Trichloroethene
Date Data
BDL=II2DL
Results
Date Data
BDL=II2DL
Results
1
<
0.50
0.25
Std Dev.
1.1137
1
2.10
2.10
Std Dev.
0.8591
2
3.70
3.70
Mean
0.9067
2
2.10
2.10
Mean
1.1367
3
1.20
1.20
C.V.
1.2283
3
1.20
1.20
C.V.
0.7558
4
<
0.50
0.25
n
15
4
0.70
0.70
n
15
5
<
0.50
0.25
5
0.70
0.70
6
<
5.00
2.50
Mult Factor =
5.0800
5
<
5.00
2.50
Mult Factor =
3.1300
7
<
5.00
2.50
Max. Value
3.7 ug/L
7
<
5.00
2.50
Max. Value
2.5 ug/L
8
<
0.50
0.25
Max. Pred Cw
18.8 ug/L
8
<
0.50
0.25
Max. Fred Cw
7.8 ug/L
9
<
0.50
0.25
9
<
0.50
0.25
10
<
0.50
0.25
10
<
0.50
0.25
11
<
0.50
0.25
11
<
0.50
0.25
12
<
0.50
0.25
12
<
0.50
0.25
13
<
0.50
0.25
13
0.90
0.90
14
1.20
1.20
14
1.70
1.70
15
<
0.50
0.25
15
1.40
1.40
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
199
199
200
1
200
88838-RPA-2009.xis, data
-3- 7/9/2009

REASONABLE POTENTIAL ANALYSIS
Benzene
Chloroethane
Date Data
BDL=1/2DL
Results
Detc Data
BDL=1/2DL
Results
1
0.90
0.90
Sid Dev.
1.1498
1
11.00
11.00
Sid Dev.
10.7855
2
3.00
3.00
Mean
1.1633
2
37.00
37.00
Mean
9.5467
3
1.10
1.10
C.V.
0.9883
3
20.00
20.00
C.V.
1.1298
4
<
0.50
0.25
n
15
4
0.50
0.25
n
15
5
<
0.50
0.25
5
8.10
8.10
6
<
5.00
2.50
Mult Factor =
4.0500
6
10.00
5.D0
Mult Factor =
4.6500
7
<
5.00
2.50
Max. Value
3.5 ug/L
7
10.00
5.D0
Max. Value
37.0 ugIL
8
<
0.50
0.25
Max. Fred Cw
14.2 ug/L
8
1.00
1.00
Max. Fred Cw
172.1 ug/L
9
<
0.60
0.25
9
0.50
0.25
10
<
0.50
0.25
10
0.50
0.25
11
<
0.50
0.25
11
0.50
0.25
12
<
0.50
0.25
12
5.00
5.00
13
0.80
0.80
13
9.10
9.10
14
3.50
3.50
14
25.00
25.00
15
1.40
1.40
15
16.00
16.00
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
199
199
2D0
200
88838-RPA-2009.xis, data
-4- 7/9/2009

REASONABLE POTENTIAL ANALYSIS
Methylene Chloride
1,2-Dichloroethane
Date Data
BDL=112DL
Results
Date Data
BDL=1/2DL
Results
1
3.30
3.30
Std Dev.
1.8752
1
0.90
0.90
Std Dev.
0.90
2
7.70
7.70
Mean
3.1933
2
0.90
0.90
Mean
0.84
3
3.40
3.40
C.V.
0.5872
3
0.90
0.90
C.V.
1.07
4
2.00
1.00
n
15
4
<
0.60
0.25
n
15
5
2.00
2.00
6
<
0.50
0.25
6
5.00
2.50
Mult Factor=
2.52
6
<
5.00
2.50
Mult Factor=
4.3900
7
5.00
2.50
Max. Value
7.7 ng/L
7
<
5.00
2.50
Max. Value
2.5 ug/L
8
4.40
4.40
Max. Fred Cw
19.4 ng/L
8
<
5.00
2.60
Max. Pred Cw
11.0 ug/L
9
2.00
1.00
9
<
0.50
0.25
10
2.00
1.00
10
<
0.50
0.25
11
2.30
2.30
11
<
0.50
0.26
12
3.50
3.50
12
<
0.50
0.25
13
3.10
3.10
13
0.40
0.40
14
6.20
6.20
14
<
0.50
0.25
15
4.00
4.00
16
<
0.50
0.25
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
64
55
55
56
56
57
57
58
58
59
59
60
60
199
199
200
1
200
88838-RPA-2009.xis, data
- 5 - 7/9/2009

REASONABLE POTENTIAL ANALYSIS
Toluene
Vinyl Chloride
Date Data
BDL=I2DL
Results
Date Data
BDL=I2DL
Results
1
0.70
0.70
Sid Dev.
0.9258
1
1.50
1.50
Std Dev.
2.6442
2
2.00
2.00
Mean
0.9653
2
8.20
8.20
Mean
2.0800
3
0.90
0.90
C.V.
0.9591
3
2.70
2.70
C.V.
1.2232
4
<
0.50
0.25
n
15
4
<
0.50
0.25
n
15
5
<
0.50
0.25
5
<
0.50
0.25
6
<
5.00
2.50
Mult Factor =
3.9300
6
<
10.00
5.00
Mult Factor =
5,0600
7
<
5.00
2.50
Max. Value
2.5 ug/L
7
<
10.00
5.00
Met. Value
8.2 ug/L
8
<
5.00
2.50
Max. lamd Cw
9.8 ug/L
8
<
10.00
5.00
Max. Pred Cw
41.5 ug/L
9
<
0.50
0.25
9
<
0.60
0.25
10
<
0.50
0.25
10
<
0.50
0.25
11
<
0.50
0.25
11
<
0.50
0.25
12
<
0.50
0.25
12
<
0.50
0.25
13
0.53
0.53
13
1.80
1.80
14
<
0.50
0.25
14
<
0.50
0.25
15
1.10
1.10
15
<
0.50
0.25
16
18
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
60
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
199
199
200
200
88838-RPA-2009.x1s, data
-6- 7/9/2009

SOC PRIORITY PROJECT: No
To: Western NPDES Unit
Surface Water Protection Section
Attention: Sergei Chernikov
Date: June 17, 2009
NPDES STAFF REPORT AND RECOMMENDATIONS
County: Union
NPDES Permit No.: NC0088838
PART I - GENERAL INFORMATION
1. Facility and address: Radiator Specialty Company
600 Radiator Road
Indian Trail, NC 28079
2. Date of investigation: May 26, 2009
3. Report prepared by: Michael L. Parker, Environmental Engineer II
4. Person contacted and telephone number: Stuart Kerkhoff, [phone]
5. Directions to site: The site is located at the end of Radiator Road in northwestern Union
County.
6. Discharge point(s): Latitude:
Longitude:
USGS Quad No. G16 S
E35037�14
7. Receiving stream or affected surface waters -.TUT to South or Crooked Creek
a. Classification:l` 0,e7 CI g
b. River Basin and Subbasin No.: Yadkin 030712
C. Describe receiving stream features and pertinent downstream uses: The discharge
will enter an UT that is a first order, headwaters stream. There is minimal flow in
the channel except during or after rainfall events. The UT travels for a short
distance before it joins the main stem of South Fork Crooked Creek. The area
downstream is generally rural, with a mix of residential and commercial
development.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of wastewater: 0.090 MGD esign Capacity)
b. What is the current permitted capacity: N/A (new facility)

•
Page Two
d. Description of existing or substantially constructed WWT facilities: The existing
WWT facilities consist of an equalization tank, followed by an packed tower air
stripper.
e. Description of proposed WWT facilities: Additional WWT facilities are not
proposed at this time. Additional facilities may be necessary pending the
promulgation of effluent limitations.
f. Possible toxic impacts to surface waters: Unknown at this time.
3. Treatment plant classification: Class I (based on proposed treatment components).
4. Compliance background: NIA (new discharge).
PART III - OTHER PERTINENT INFORMATION
l . Special monitoring or limitations (including toxicity) requests: None at this time.
2. Alternative analysis evaluation
a. Spray Irrigation: Insufficient area available for the proposed flow.
b. Connect to regional sewer system: Union County Public Works has informed the
applicant that as early as December 31, 2009, it will no longer be able to accept
the effluent from the remediation facilities into its POTW.
C. Subsurface: There is insufficient area available for the subsurface disposal of the
proposed flow.
d. Other disposal options: None that we are aware.
PART IV - EVALUATION AND RECOMMENDATIONS
Radiator Specialty Company (RSC) has applied for approval to discharge up to 0.090
MGD of treated GW to an UT to South Fork Crooked Creek. The remediation activities at RSC
are being conducted in accordance with a RCRA Post -Closure permit issued for this facility. In a
letter dated June 6, 2003, the wastewater from the existing GW treatment system has been found
to be non -hazardous by the Hazardous Waste Section of NCDENR.
Since October, 1994, the remediation facilities at RS have been discharging to a POTW
owned by Union County Public Works. Recently, however, RS has been advised that the
opportunity to discharge to the County's POTW will no longer be available by the end of 2009.
Such being the case, RS has evaluated other disposal options, and a direct discharge to surface
waters has been found to be the only available option. The discharge will enter an
ephemeral/intermittent channel that exists almost entirely on RSC property before joining the
main segment of the receiving stream. There are no other dischargers on the UT, however, this
channel also receives stormwater from an outfall covered under RSC's stormwater permit
(NCS000183).

Page Three
In reviewing the application package, there appears to be a discrepancy on page 8 where it
is noted that the proposed effluent line is designed to handle up to 0.075 MGD, but the NPDES
permit application found at the beginning of the package projects a flow of up to 0.090 MGD.
Based on other information found throughout the application package, it would appear that RSC
plans to discharge up to the 0.090 MGD capacity of the remediation system. The proposed
effluent line, however, may not be capable of handling the entire hydraulic capacity of the system
based on the proposed size.
Pending a final review and approval of this project by the Western NPDES Unit, it is
recommended that a ermit be issued
Signature of Report Preparer D e
11--(74 6 I--- 1 1S v
Water Quality Regional Supervisor Date
Udsr\dsrMradiatondsr

A Prolusional Limited Uabilty Company
May 19, 2009
North Carolina Department of Environment and Natural Resources
Division of Water Quality
NPDES Unit
1617 Mail Service Center
Raleigh, NC 27699-1617
Re: Application for NPDES Permit
Radiator Specialty Company
600 Radiator Road
Indian Trail, Union County, North Carolina
Dear Sir/Madame:
Nesco Environmental, P.L.L.C. (Nesco Environmental) is transmitting the
enclosed NPDES Permit Application (Short Form C-GW) on behalf of Radiator Specialty
Company (RSC). One original and two copies of this document are enclosed. Also
enclosed please find the following:
o One original and two copies of Engineering -Plans and Specification to support the
application;
o A CD with electronic copies of this submission letter, the application, and the
Engineering Plans and Specifications;
o A check in the amount of $860.00 to cover the application fee for a minor individual
NPDES Permit.
The application is for the discharge of treated groundwater for a remediation
project being conducted pursuant to the terms of a post -closure permit issued pursuant to
the Resource Conservation and Recovery Act. The remediation system has been in
operation over 14 years (since October 24, 1994). Since the system was activated,
treated groundwater has been discharged to the Publicly Owned Treatment Works
(POTVV) operated by Union County. Union County has indicated to RSC that in the near
Environmental and Geologic services
PO Box 78222 Charlotte, NC 28271 + 2416 River:aks Drive Waxhaw, NC 28173
Phone [phone] + Fax [phone]
Email [e-mail]

Division of Water Quality - NPDES Unit
May 19, 2009
Page 2
future it will no longer accept this discharge. Consequently, RSC has to secure another
discharge alternative. An engineering alternative evaluation (attached as part of the
Engineering Plans and Specifications) has been performed and indicates that discharge
under an NPDES permit is a viable alternative. The remediation system has a
demonstrable record of effectively removing volatile organic compounds (VOCs).
If you have questions, please feel free to contact me directly at (704) 442-
1365.
Sincerely,
NESCO ENVIRONMENTAL, P.L.L.C.
Joseph P. Nestor, P.G., P.E.
President
cc: Richard Harmon — Harmon Environmental, PA
Stuart Kerkhoff — Radiator Specialty Company
Benne Hutson - McQuireWoods
JPN/jpn 20090519

1.0 INTRODUCTION
Harmon Environmental, PA (Harmon Environmental) retained Nesco
Environmental, P.L.L.C. (Nesco Environmental) on behalf of Radiator Specialty
Company (RSC) to provide it with environmental and engineering consulting services
related to evaluating discharge options and obtaining appropriate discharge permits for a
groundwater remediation system located at the RSC facility at 600 Radiator Road,
Indian Trail, Union County, North Carolina. RSC wishes to discharge treated
groundwater into an intermittent stream on its property. This intermittent stream flows
into the South Fork of Crooked Creek.
The RSC facility encompasses approximately 123 acres. The manufacturing
operations are conducted in buildings located on the northeast corner of the property.
Topographically, these buildings are situated on a low hill crest which slopes down to the
northwest, south, and east. Figure 1 depicts the location of the site on an excerpt from
a United States Geological Survey (USGS) 7.5 minute series topographic map of the
area. As part of the Resource Conservation and Recovery Act (RCRA) permitting
process, RSC has extensively assessed groundwater quality in and around the Indian
Trail facility. At least, sixty-six (66) monitor wells ranging in depths from approximately
five (5) feet to 485 feet below grade have been installed to evaluate groundwater
conditions at the facility. Those assessment activities have shown that groundwater is
impacted by solvents including tetrachloroethene, 1, 1 -dichloroethane, 111-
dichloroethene, 1,2-dichloroethene (total), 1,1,1-trichloroethane, tichloroethene, vinyl
chloride, benzene, methylene chloride, and chloroethane. Based upon the most
recent groundwater monitoring event (October 2008), the highest concentrations of
VOCs dissolved in groundwater were in monitoring well 2B (12,837 pg/1).
Groundwater remediation was initiated in conjunction with the RCRA Post -
Closure Permit for the facility. RSC began the installation of an interim remediation
system in late-1993 and started the system on October 24, 1994.
The remediation system was designed by Aware Environmental, Inc. (AWARE)
in 1992, and installed by McCall Brothers, Inc. in 1993 and 1994. Nesco Environmental
understands the following to be true:
1

i000t o In May 1992, RSC submitted an application to the North Carolina
Department of the Environment, Health, and Natural Resources
(NCDEHNR) for a gravity sewer extension. (NCDEHNR was the
predecessor agency to the North Carolina Department of the Environment
and Natural Resources [NCDENR]).
o AWARE submitted engineering plans and specifications to support the
application for the gravity sewer extension.
o The application information indicated that the proposed sewer extension
was designed to handle a total flow rate of 124,000 gallons per day
(GPD) and 93 percent of this total flow rate (115,320 GPD) was to be
from the groundwater remediation system.
o The North Carolina Environmental Management Commission approved
the application for the gravity sewer extension on June 6, 1992 (Permit
No. WQ0006575).
o A set of plans prepared by AWARE dated July 1992 and titled Interim
Groundwater Remediation System was submitted to NCDENR and to the
Union County Public Works Department.
o On May 5, 1992, NCDENR issued pre-treatment Permit No. 698410001
for a permitted flow of up to 90,000 GPD.
o The NCDEHNR pre-treatment Permit No. 698410001 was subsequently
voided and Union County issued pre-treatment Permit No. UC-1. The
permitted flow under the county permit was 90,000 GPD.
o The groundwater remediation and treatment system actually installed was
somewhat different than that designed by AWARE. Consequently, RSC
arranged to have a set of "as -built" plans and specifications prepared by
Resolve Environmental, P.A. (Resolve). These "as -built" plans and
specifications were submitted to NCDENR in a report titled Groundwater
Corrective Action Program dated January 20, 1997.
o On June 12, 2001, NCDENR (Hazardous Waste Section of the Division of
Waste Management) approved the Corrective Action Program on the
E

f"N condition that certain documents pertaining to the decommissioning of the
remediation equipment be submitted.
o Resolve submitted the documents required for approval of the Corrective
Action Program on July 19, 2001.
o On March 28, 2003, the law firm of Helms Mulliss Wicker submitted, on
behalf of RSC, a request to the Hazardous Waste Section of NCDENR for
a determination that the treated effluent is not a hazardous waste under
RCRA's "contained -in" policy.
o On June 6, 2003, the Hazardous Waste Section of NCDENR issued
correspondence to RSC indicating it had determined that the treated
effluent is not a hazardous waste so long as hazardous constituents in
the effluent (if any) do not exceed health -based standards.
Attachment I is a CD that includes electronic copies of the following reports and
documents:
TITLE OF DOCUMENT
DATE
PREPARED BY
Gravity Sewer Extension Application
May 27, 1992
AWARE
Gravity Sewer Extension Plan with Stamp of
Approval by NCDENR dated June 2, 1992
May 18, 1992
AWARE
Interim Groundwater Remediation System
July 1992
AWARE
Groundwater Corrective Action Program
January 20, 1997
Resolve
Conditional Approval Groundwater Corrective
Action Program
June 12, 2001
NCDENR
Response to Conditional Approval
July 19, 2001
Resolve
Request for "Contained In" Determination
March 28, 2003
Helms Mulliss Wicker
Additional Information To Support Request for
, Contained In Determination
May 2, 2003
Helms Mulliss Wicker
"Contained In" Determination Letter
June 6, 2003
NCDENR
3

2.0 SUMMARY OF REMEDIATION SYSTEM DESIGN
This section provides a brief summary regarding the design of the existing
remediation system. A more detailed discussion re is included in the document titled
Groundwater Corrective Action Program dated January 20, 1997. A copy of this report
is included as Appendix I.
Groundwater is recovered from four recovery wells (designated RW 1, RW 2,
RW 3, a RW-4) installed along the axis of the plume. These recovery wells are
designated as R-I, RW 2, RW 3, and RW 4. A submersible pump in each of the four
recovery wells moves groundwater to a 6,000-gallon above -ground storage tank (AST)
located within a dike in a tank farm area. A transfer pump moves water from the AST to
the top of the air stripper tower Remedial System, Inc. Model No. 9471). The water is
sprayed into the top of the tower and then trickles downward by gravity through packing
material. A fan blows -air upward through the column to strip VOCs. Treated water
accumulates in a sump in the bottom of the tower. When the level in the sump rises to
an ou et port, wa er isc arges by gravity to a 4-inch diameter discharge pipe. The
discharge pipe currently ties into a sanitary sewer manhole.
Control floats set inside each of the four recovery wells activate and de -activate
the pumps. Control floats set inside the AST activate and de -activate the transfer pump.
The system includes a pressure switch which deactivates the system in the event of a
low air pressure condition within the air stripper.
Below -ground discharge piping between each recovery well and the above-
ground treatment system components provide secondary containment. The secondary
containment piping slopes towards vaults or manholes equipped with float switches
which are designed to deactivate the system. The float switches are intended to trip in
the event of a leak in the primary piping.
The above -ground components of the remediation system are located inside a
dike within a tank farm area. Should a leak occur from these components, it is contained
within the dike.
4

tlo� 3.0 SUMMARY OF REMEDIATION SYSTEM VOC REMOVAL EFFICIENCY
The remediation system has been operating since October 24, 1994. Since that
time, RSC has collected effluent samples periodically as required by the Union County
POTW permit. From November 1994 to June 1999, RSC collected effluent samples on
a monthly basis with the exception of March 1996 when the system was deactivated at
the request of Union County. Union County reduced the required frequency of effluent
monitoring to semi-annually in July 1999 and RSC has collected effluent samples on a
semi-annual basis (generally in June and December) since that time. Since June 2005,
effluent samples have been analyzed for VOCs by Standard Method SM6230D.
Tables 1 and 2 summarize influent and effluent monitoring data, respectively.
This data was provided to Nesco Environmental by RSC. The data indicates that the
treatment system has been effective in removing VOCs from the influent.
Concentrations of VOCs in the effluent have been low to non -detectable.
The NPDES permitting guidance suggests that samples should be analyzed for
VOCs and semi -volatile organic compounds (SVOCs) by EPA Methods 624 and 625,
respectively. RSC collected an influent sample on February 12, 2009. This sample was
analyzed by EPA Methods 624 and 625. Copies of the analytical results for this sample
may be found in Appendix II. No SVOCs were detected in this influent sample.
RSC sampled the effluent on March 25, 2009. Copies of the analytical results for
this sample may be found in Appendix II. No VOCs or SVOCs were detected in this_
effluent sample. Table 3 summarizes the analytical data for the February 12, 2009
influent and arch 25, 2009 effluent samples and shows calculated removal efficiencies
using this data. As shown in Table 3, the treatment system removes VOCs with an
h (7.8 percent. It should be noted that the removal efficiency
calculations used only data for parameters for which there was a positive detection for
the influent sample and assumed effluent concentrations to be at the laboratory
detection limit (5 pg/1) when reported as "below detection limit". As a result, these input
data are conservative and likely underestimate the actual removal efficiency.
5

4.0 ENGINEERING ALTERNATIVES ANALYSIS
Appendix III contains an engineering alternatives analysis (EAA). Union County
has indicated that possibly as early as December 31, 2009, it will no longer be willing to
accept the treated effluent to its publicly owned treatment works (POTM. Operators of
private wastewater facilities located within five miles of RSC were contacted regarding
their willingness to accept the treated effluent from RSC. None of these operators
indicated a willingness to do so. Evaluations performed to determine if either or both
land application or subsurface disposal were a feasible alternatives. It was determined
that neither was feasible. An evaluation was performed to determine if reuse of the
treated water was a feasible alternative. It was determined that it was not feasible.
Based upon the EAA, it appears that discharge to surface water through the NPDES
program will be the only feasible alternative once Union County prohibits discharge to
the POTW.
0

5.0 RECOMMENDED DISCHARGE ALTERNATIVE
Nesco Environmental recommends that piping be installed to convey treated
groundwater to an intermittent stream located on RSC property which flows into the
South Fork Crooked Creek. Figure 2 is an excerpt of a 2007 aerial photograph taken
from the Union County Geographic Information System (GIS) which shows the location
of the proposed discharge piping and discharge point on this intermittent stream.
Nesco Environmental requested that the USGS provide stream flow statistics for
the South Fork Crooked Creek where the intermittent stream intersects. In an email
received by Nesco Environmental on February 19, 2009, the USGS estimated the 7Q10
discharge to be zero and the 30Q2 discharge to be 0.07 cubic feet per second.
5.1 Existing Above -Ground Treatment System Components
The existing groundwater treatment system will continue to be used. This
system was designed by AWARE Environmental, Inc. in 1992. Nesco
t4ftN Environmental understands that the system was designed to treat up to 90,000
GPD with influent concentrations considerably higher than what are anticipated
at the present time. Engineering details of the groundwater treatment system
may be found in the report titled Groundwater Corrective Action Program am which
was prepared by Resolve and is dated January 20, 1997. A copy of this report is
included as Appendix I. The following figures were taken from this report:
o Figure 3 is a process schematic;
o Figure 4 is a treatment system layout plan; and
o Figure 5 shows details of the air stripping tower.
5.2 Proposed Piping Modifications
A 4-inch schedule 40, poly -vinyl chloride (PVC) pipe will be plumbed to
the gravity discharge of the air stripper tower. A trench will be excavated from
immediately outside the containment dike to the discharge point on the
intermittent stream. A 4-inch (minimum) layer of compacted sand will be placed
in the bottom of the trench. Sand will be placed around and over the pipe such
7

that the crown is covered with a minimum of 3 inches of sand. The sand will be
compacted in place. The space in the trench above the sand will be backfilled
with native material and compacted in place. The sand will be compacted to a
density of not less than 95% of maximum dry density as measured by the
standard proctor method. Figure 6 shows the typical cross section of the piping.
The crown of the pipe will be positioned at least 1.5 feet below grade to
provide protection from vehicular loading. The pipe will be placed such that there
will be a minimum slope of 0.010 at any point. Cleanouts will be along the
discharge line at no greater distance than 200 feet from each other and from the
ends of the discharge line. Each cleanout will be installed within an 8-inch
(minimum) bolt -down manhole set within a 2-foot by 2-foot by 4-inch (minimum)
concrete pad. Appendix IV includes calculations that show the following:
o The proposed burial depth provides protection against excessive
defection and crushing; and
o The piping, as designed, is sufficient to handle the proposed flow of
75,000 GPD.
The elevation at grade just outside the containment dike at the air stripper
is 682.75 feet above sea level based upon review of the Engineering Plans for
Interim Ground Water Remediation System prepared by Aware Environmental in
July 1992. The elevation of the discharge point in the intermittent stream is
approximately 644 feet above .sea level based upon review of the topographic
contours provided in the Union County GIS. The difference in elevation is
approximately 38.75 feet. The length of the piping run is approximately 1,350
feet. The average slope is 0.029 over the length of the piping run. Construction
specifications call for a minimum slope of 0.010 at any point in the run. Figure 7
shows a profile of the general surface topography and details of some of the
piping.

6.0 OTHER CONSIDERATIONS
The proposed discharge is necessary for the continued remediation of
groundwater at the RSC facility. Once Union County prohibits the discharge to the
POTW, there will be no reasonably feasible discharge option with the exception of
discharge to the South Fork Crooked Creek under the NPDES program. Groundwater
remediation activities at the RSC facility are being conducted in accordance with the
RCRA permit issued for this facility.
The Hazardous Waste Section of NCDENR has determined that the treated
effluent is not a hazardous waste as indicated in its June 6, 2003 correspondence to
RSC. A copy of this letter may be found on the CD included as Attachment I. The
Hazardous Waste Section of NCDENR made this determination on the basis of review of
information submitted by the law firm of Helms Mulliss Wicker on behalf of RSC in letters
dated March 28, 2003 and May 2, 2003. These letters may also be found on the CD
included as Attachment I. The information submitted by Helms Mulliss Wicker indicated
that the concentrations of hazardous constituents in the treated effluent were at non -
detectable to low levels and were below health -based standards.
E

7.0 REMARKS
The analysis contained in this report represents Nesco Environmental's
professional opinions and are based upon the findings of its investigation and research.
These opinions were developed in accordance with currently accepted hydrogeologic
and engineering practices at this time and location. No warranties or guarantees are
intended or implied.
Certain opinions in this report are based upon the work and statements of others,
including but not limited to, laboratory reports and previous environmental investigation
reports. Nesco Environmental assumes this work and these statements to be accurate,
but accepts no responsibility for the quality or accuracy of this work and these
statements.
10

lip
4 r �•-� � _ � , ' it • `= r a 1�' :�: 1, �� ` ' !�' •y:.1'`1 ' 1
,,,, ! A.r I •� lam!^-�''* L;'�1 }� x•.;, ;e �"- • g�;-. ' �.
ro It
/F * !� � 1'.� � t Y-`4^;a"f. � J 1 IRS. 1 • • ^.. �b
i • yi' 861 ta- ` � a+ y • F t ~ \ ' z � _ uuilili t r )
i �•.I � TY-: 'S1 4.}' i.�.J �r-` {e``+ '. ��y,l .�y. '`" —'4.' �I, ��iY' _ , _-. .:�},.
fit_ Fa r,.'' \ 1 :`a, • CTtaileT
F'atk;
-, � � ��;s f � i . r,�l�I ti `` ' r �-.� Lam` � *P� �i' ,•,�i� -, '+ y � ��,
t _ 4b
1� LF'y
- _
i; r a45
i r
5 •p{ P! J �•yn i'T1b :M. li FIl S,F.I-e
1i
it � : j• � 1 ee 4 �, . — y ��ri '' ' .� -- C • ,'•r
x
• 1.1 �""�; � `M1 z , .*- "� \ " � , � + ° -F
� .--�•IliEahl, �} �R'tr'1 .e i I � _ . „ � , i, ,�, ti -
Set
'i�'F� ITT.', .. ~T4z•�. 4� f% � .. � � �Y d ha- _. ,S- � �: 4- G s
I N*s
�;��. �11 may: � .� P ai - �h` 1_ !. } �:�r? �'•
;' a
LO
ATION ,
PROPOS
D'DISCHARGE "
APPROXIMATE SCALE
1 SCALE 124000
0 1 MILE
10, 0 1000 2000 3000 4000 m 6000 7000 FEET
1 _ •5 0 1 KILOMETER
CONTOUR INTERVAL 10 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929
MNI
i
I�
98 M
5I LS { IO°11'
3 MILS
I
UTM GRID AND 1988 MAGNETIC NORTH
DECLINATION AT CENTER OF SHEET
r N. z `
QUADRANGLE LOCATION
MATTHEWS, N. C.
35080-A6-T F-024
1971
PHOTOREVISEE3 1988
DMA 4854 11 SW -SERIES V842

RSC PROPERTY BOUNDARY
SCALE
1 INCH EQUALS APPROXIMATELY 300 FEET
AERIAL PHOTOGRAPH DOWNLOADED ON FEBRUARY 23, 2009 FROM UNION COUNTY GEOGRAPHIC INFORMATION SYSTEM AT
htti)://www.co. union. nc. us/PropertyServices/G I SMans/tabid/82/Default.aspx.

INFLUENT
r_nrn imnw ATm
RW-4 RW-3 RW-2 R-1
SCH SO PVC
INFLUENT PIPING
TURBINE
FLOW METER
ION
FEED PUMP
INFLUENT SAMPLE
VALVE
DRAIN LINE
f0 SCALE
AIR STRIPPER
011
� pit
1 y CG M+ cIl iPl.Vr f
w
2 066
PA
PACKING MEDIA
PACKING MEDIA
REMOVAL MANWAY
SUMP INSPECTION MANWAY
BY
INTEGRAL,
SUMP
DRAWING TAKEN FROM FIGURE 21 IN GROUNDWATER CORRECTIVE ACTION PROGRAM PREPARED BY RESOLVE ENVIRONMENTAL SERVICES, PA DATED JANUARY 20, 1997
THE ORIGINAL SOURCE DOCUMENT WAS SEALED BY KAREN E. HEATER (NORTH CAROLINA PROFESSIONAL ENGINEER LICENSE NO. 02197).
INTAKE
TREATED GROUNDWRTER TO
UNION COUNTY POW
0!5 PO BOX 78222
CHARLOTTE, NC 28271
[phone]
Environmental
FIGURE 3
GROUND -WATER REMEDIATION SYSTEM
PROCESS SCHEMATIC
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA

AIR STRIPPI
TOWER AND
BLOWER -
GRAVEL DRIVE
TANK FARM "A"
0 20
APPROXIMATE SCALE IN FEET
12" DIA. SCH 80 PVC
CONTAINMENT PIPING
DRAWING TAKEN FROM FIGURE 22 IN GROUNDWATER CORRECTIVE ACTION
PROGRAM PREPARED BY RESOLVE ENVIRONMENTAL SERVICES, PA DATED
JANUARY 20, 1997.
THE ORIGINAL SOURCE DOCUMENT WAS SEALED BY KAREN E. HEATER
(NORTH CAROLINA PROFESSIONAL ENGINEER LICENSE NO. 02197).
�* o
' 5
20r1$�"
c aPO BOX 78222
UK CHARLOTTE, NC 28271
[phone]
FIGURE 4
GROUND -WATER REMEDIATION SYSTEM
LAYOUT PLAN
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA

1/4' DIA. STAINLESS STEEL TOWER
SUPPORT GUY WIRES
(TYP OF 3)
NOT TO SCALE
12" DIA. MANHOLE
30" DIA. AIR STRIPPER
TOWER MODES. f 9471,
REMEDIAL. SYSTEM, INC.
FIELD BOLTED FLANGE
HIGH WATER LEVEL.
SHUT—OFF SWITCH
BA KWASHINGOR
12' DIA. MANHOLE
0.5" DRAIN
--- 3' DIA. SCH BO PVC PIPE
2' DIA. SCH 40 PVC PIPE
- 2" DIA. SCH 40 PVC UNION
FROM GROUNDWATER
HOLDING TANK
PIPE INSULATION TO
GROUNDWATER BOLDING
TANK
FAN FAIL SAFE EXPLOSION PROOF
(PRESSURE) SWITCH
FAN WITH EXPLOSION
PROOF MOTOR (REUANCE-
2 HP, 230 VOLT, 3 ph TEXP
MOTOR)
- -- (2) 2' DIA. C.S. PIPE
SUPPORTS
- MOUNTING SKID
3/4" x 5" EMBANKMENT
CINCH ANCHOR BOLT
TY • . . • '' •� :•• . CONCRETE SUPPORT
� 1 Qw a♦ .. i r .a . ,- • PAD
3s
f
9' gw
DRAWING TAKEN FROM FIGURE 25 IN GROUNDWATER CORRECTIVE ACTION
PROGRAM PREPARED BY RESOLVE ENVIRONMENTAL SERVICES, PA DATED
JANUARY 20, 1997.
THE ORIGINAL SOURCE DOCUMENT WAS SEALED BY KAREN E. HEATER
(NORTH CAROLINA PROFESSIONAL ENGINEER LICENSE NO. 02197).
w
PO BOX 78222
CHARLOTTE, NC 28271
[phone]
FIGURE 5
AIR STRIPPER TOWER DETAILS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA

PRELIMINARY
NOT FOR CONSTRUCTION
4-INCH 0 (NOMINAL) SCH 40
PVC DISCHARGE PIPE
MIN
T.v I Ivnl•
INCHES
INCH EQUAL TO 6 INCHES
NOTES
J
Q
U
a
Z Z
iaJ
0
W0
co
}}U
woz
�J~
V � UTLLJuJ
aOC�
z0
a z
z
=9z
U
z
W
fY
H
1. CONTRACTOR TO FIELD LOCATE ALL UNDERGROUND PIPING AND UTILITIES IN
CONSTRUCTED AREA BEFORE MOVING HEAVY EQUIPMENT ON -SITE OR EXCAVATING.
04
2. CONTRACTOR TO CLEAR AND GRUB AREA OF EXCAVATION TO REMOVE ALL TREES,
N
VEGETATION AND ROOTS. REMOVE AND PRESERVE GOOD TOP SOIL FOR LATER USE.
Q
Z
3. PIPING SHALL BE PLACED ON SMOOTH 4.0" (MINIMUM) BED OF SAND AND SHALL BE
J
0
COVERED WITH A 3.0" (MINIMUM) LAYER OF SAND. THE SAND SHALL BE COMPACTED
U
TO A DENSITY OF NOT LESS THAN 90% OF MAXIMUM DRY DENSITY AS MEASURED BY
THE STANDARD PROCTOR METHOD IN AREAS NOT SUBJECT TO VEHICULAR TRAFFIC
=
AND TO A DENSITY OF NOT LESS THAN 95% OF MAXIMUM DRY DENSITY AS MEASURED
►-
BY THE STANDARD PROCTOR METHOD IN AREAS SUBJECT TO VEHICULAR TRAFFIC.
N O N
N Z
4. EXCAVATED SOIL OR OTHER SUITABLE MATERIAL SHALL BE PLACED ABOVE
COMPACTED SAND EMBEDMENT. THIS MATERIAL SHALL BE COMPACTED TO A DENSITY
L N
�
OF NOT LESS THAN 90°% OF MAXIMUM DRY DENSITY AS MEASURED BY THE STANDARD
PROCTOR METHOD IN AREAS NOT SUBJECT TO VEHICULAR TRAFFIC AND TO A
m
DENSITY OF NOT LESS THAN 95°% OF MAXIMUM DRY DENSITY AS MEASURED BY THE
Of
Q
STANDARD PROCTOR METHOD IN AREAS SUBJECT TO VEHICULAR TRAFFIC.
U O
O
5. LEAK TEST DISCHARGE PIPE BY FILLING PIPE WITH WATER AND PRESSURIZE IPIPE
TO 60 PSI. MONITOR WATER PRESSURE OVER 2 HOURS. ALLOWABLE PRESSURE LOSS
SHALL BE LESS THAN 3 PSI. LEAKAGE OF WATER IS NOT ACCEPTABLE.
6. SURFACE TO BE RESTORED TO PREEXISTING CONDITION. PLACE SEED AND STRAW
IN NON -PAVED AREAS. REPLACE GRAVEL IN GRAVELED AREAS. REPLACE ASPHALT IN
AREAS WHERE ASPHALT MUST BE CUT AND REMOVED WITH A 3-INCH (MIN) LAYER OF
HOT PLANT MIX ASPHALT.
_ _
7. PIPE TO BE LAID WITH A MINIMUM SLOPE OF 0.010. il 1

TABLE 1
AIR STRIPPER INFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
03/27195
04112/95
05/16/95
07/12/95
09/20/95
10/26/95
11/21/95
12/14/96
02/20196
04/16/96
05/15196
Acetone
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.22
<0.01
0.47
<0.01
<0.01
Benzene
0.19
0.17
0.15
0.13
<0.005
<0.005
0.11
<0.005
0.11
0.1
<0.005
Carbon tetrachloride
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Chloroethane
<0.01
<0.01
<0.01
<0.01
<0.01
0.32
0.5
0.2
0.34
0.032
0.3
Chloromethane
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
4-Chlorotoluene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1, 1-Dichloroethane
3.3
2.9
3
2.7
3
2.9
2.4
2.6
2.7
2.5
2.2
1, 2-Dichloroethane
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1-Dichloroethene
1.1
1.3
1.2
0.91
0.97
0.98
1
0.99
1.1
0.99
1.5
1, 2-Dichloroethene (total)
2
1.7
1.5
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.1
cis-1, 2-Dichlroethene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
trans-1, 2-Dichloroethene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Dichlorodifluoromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Ethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Methylene chloride
3.6
2.8
2.8
2.7
3
2.2
2
3.1
3.2
3
2.6
4-Methyl-2-pentanone
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Naphthalene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Tetrachloroethene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Toluene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1, 1-Trichloroethane
2.1
2.2
1.8
1.5
1.5
0.72
0.81
2
1.8
1.4
1.3
Trichloroethene
0.18
0.22
0.14
<0.005
0.13
<0.005
<0.005
0.14
0.14
0.12
<0.005
Trichlorofluoromethane
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1,2,4-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1,3,5-Timethylbenzene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Xylenes (total)
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
TOTAL: 12.47 11.29 10.59 9.34 10.00 8.62 8.44 10A3 11.26 9.44 9.00
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 1 of 6 PARTBIINFLUENT.XLS

TABLE 1
AIR STRIPPER INFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
06/27/96
07/23196
08/12/96
09/09/96
10116/96
11/19/96
12/18/96
01/21197
02125/97
03/24/97
04/21/97
Acetone
<0.01
<0.01
<0.01
<0.01
0.18
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Benzene
<0.005
<0.005
<0.005
<0.005
0.06
<0.005
0.052
0.04
<0.005
0.05
<0.005
Carbon tetrachloride
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Chloroethane
0.3
0.39
0.27
0.4
0.44
0.41
0.47
0.3
0.6
0.82
0.74
Chloromethane
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
4-Chlorotoluene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1, 1-Dichloroethane
2.7
2.6
2.1
2.1
1.9
1.6
1.6
0.94
1.4
1.1
0.98
1, 2-Dichloroethane
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1-Dichloroethene
0.84
0.75
0.57
0.6
0.65
0.5
0.51
0.33
0.45
0.51
0.52
1, 2-Dichloroethene (total)
1.2
1.1
0.98
1
0.97
0.9
0.87
0.52
0.73
0.74
0.67
cis-1, 2-Dichlroethene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
trans-1, 2-Dichloroethene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Dichlorodifluoromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Ethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Methylene chloride
2.6
2.2
1.9
1.8
1.5
1.2
1.3
0.78
1.2
<0.005
0.92
4-Methyl-2-pentanone
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Naphthalene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Tetrachloroethene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Toluene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1, 1-Trichloroethane
0.84
0.59
0.38
0.25
0.16
0.098
0.091
0.1
0.16
0.099
0.079
Trichloroethene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
0.036
<0.005
<0.005
<0.005
Trichlorofluoromethane
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1,2,4-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1,3,5-Trimethylbenzene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.11
0.077
0.18
0.23
0.32
Xylenes (total)
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
TOTAL: 8.48 7.63 6.20 6.16 5.86 4.71 5.00 3.12 4.72 3.55 4.23
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 2 of 6 PARTBIINFLUENT.XLS

TABLE 1
t,
AIR STRIPPER INFLUENT
CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR
SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
05122/97
06/26/97
07/28/97
08/19/97
09115/97
10130/97
11/25/97
12J08197
01/13/98
02/18/98
03123/98
Acetone
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.05
Benzene
0.036
<0.005
0.046
<0.005
0.03
0.039
0.037
0.032
0.027
0.034
0.044
Carbon tetrachloride
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Chloroethane
0.47
1
1.5
1.1
0.29
0.55
0.46
0.55
0.34
0.53
0.86
Chloromethane
NA
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
2-Chlorotoluene
NA
0.18
0.14
0.12
NA
0.1
0.096
0.087
0.071
0.11
0.099
4-Chlorotoluene
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
<0.002
1, 1-Dichloroethane
0.66
0.88
0.73
0.54
0.41
0.5
0.49
0.39
0.31
0.44
0.52
1, 2-Dichloroethane
<0.005
<0.005
<0.005
<0.005
<0.005
0.009
0.008
0.007
<0.005
0.008
0.009
1, 1-Dichloroethene
0.32
0.42
0.36
0.24
0.17
0.31
0.3
0.24
0.22
0.26
0.26
1, 2-Dichloroethene (total)
0.47
NA
NA
0.39
0.31
NA
NA
NA
NA
NA
NA
cis-1, 2-Dichlroethene
NA
0.58
0.51
0.37
0.28
0.35
0.34
0.27
0.2
0.34
0.39
trans-1, 2-Dichloroethene
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
NA
<0.005
0.005
0.006
Dichlorodifluoromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.01
Ethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Methylene chloride
0.69
0.82
0.62
0.47
0.39
0.48
0.41
0.32
0.34
0.44
0.56
4-Methyl-2-pentanone
<0.01
<0.01
<0.01
<0.01
<0.01
0.017
0.017
<0.01
<0.01
<0.01
0.016
Naphthalene
NA
<0.005
<0.005
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Tetrachloroethene
<0.005
<0.005
<0.005
<0.005
<0.005
0.011
0.012
0.011
0.009
0.015
0.022
Toluene
<0.005
<0.005
<0.005
<0.005
0.018
0.029
0.028
0.024
0.018
0.026
0.032
1, 1, 1-Trichooroethane
0.049
<0.005
<0.005
<0.005
0.019
0.033
0.033
0.03
0.02
0.031
0.04
Trichloroethene
<0.005
<0.005
<0.005
<0.005
<0.005
0.02
0.02
0.018
0.015
0.021
0.027
Trichlorofluoromethane
NA
<0.005
<0.005
NA
NA
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
1,2,4-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1,3,5-Trimethylbenzene
NA
<0.005
<0.005
NA
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Vinyl chloride
0.28
0.48
0.41
0.32
0.16
0.32
0.29
0.31
0.2
0.36
0.45
Xylenes (total)
<0.005
<0.005
<0.005
<0.005
<0.005
0.021
0.02
0.016
0.012
0.019
0.023
TOTAL:
2.98
4.36
4.32
3.66
2.08
2.79
2.56
2.31
1.78
2.64
3.37
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 3 of 6 PARTBIINFLUENT.XLS

TABLE 1
AIR STRIPPER INFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
04/20198
05/14198
06124/98
12/17/98
06130/99
12/07/99
12/29/99
06128/00
12120/00
06/21101
12120/01
Acetone
<0.05
<0.05
<0.05
<0.05
0.057
0.1
0.54
<0.05
0.035
<0.05
<0.05
Benzene
0.047
0.043
0.039
0.033
0.055
0.091
0.058
0.045
0.022
0.021
0.018
Carbon tetrachloride
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Chloroethane
0.51
0.73
0.55
0.7
1.2
2.0
2.1
0.86
0.48
0.36
0.68
Chloromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.02
<0.01
<0.01
<0.01
<0.01
2-Chlorotoluene
0.18
0.18
0.099
0.072
0.13
0.29
0.093
0.15
0.054
0.045
0.049
4-Chlorotoluene
0.006
<0.002
<0.002
<0.002
0.007
0.011
0.008
0.008
<0.005
<0.005
<0.005
1, 1-Dichloroethane
0.44
0.44
0.34
0.25
0.39
0.41
0.7
0.26
0.085
0.076
0.085
1, 2-Dichloroethane
0.011
0.01
0.006
0.006
0.011
0.014
0.011
0.009
<0.005
<0.005
<0.005
1, 1-Dichloroethene
0.23
0.26
0.18
0.16
0.25
0.19
0.41
0.24
0.084
0.055
0.048
1, 2-Dichloroethene (total)
NA
NA
0.28
NA
NA
NA
NA
NA
NA
NA
NA
cis-1,2-Dichloroethene
0.33
0.4
NA
0.19
0.27
0.22
0.45
0.29
0.097
0.073
0.054
trans-1, 2-Dichloroethene
0.007
0.007
NA
<0.005
0.008
0.011
0.008
0.006
<0.005
<0.005
<0.005
Dichlorodifluorom ethane
<0.01
0.01
<0.01
<0.01
0.015
<0.01
0.022
<0.01
<0.01
<0.01
<0.01
Ethylbenzene
<0.005
<0.005
<0.005
<0.005
0.007
0.012
0.008
0.006
<0.005
<0.005
<0.005
Methylene chloride
0.49
0.61
0.62
0.57
0.62
0.59
1.6
0.78
0.34
0.16
0.26
4-Methyl-2-pentanone
0.028
0.033
0.02
0.019
0.03
0.065
0.03
0.028
0.017
0.014
<0.01
Naphthalene
<0.005
<0.005
<0.005
<0.005
<0.005
0.007
<0.005
<0.005
<0.005
<0.005
<0.005
Tetrachloroethene
0.016
0.019
0.018
0.013
0.022
0.024
0.034
0.016
0.011
0.013
0.0093
Toluene
0.037
0.034
0.03
0.031
0.047
0.064
0.045
0.041
0.021
0.019
0.02
1, 1, 1-Trichloroethane
0.041
0.041
0.022
0.02
0.062
0.028
0.32
0.017
0.008
0.0054
<0.005
Tiichloroethene
0.028
0.026
0.021
0.014
0.025
0.021
0.058
0.017
0.01
0.01
0.0067
Trichlorofluoromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
0.015
<0.01
<0.01
<0.01
<0.01
1,2,4-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
0.007
0.01
0.008
0.006
<0.005
<0.005
<0.005
1,3,5-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
0.008
0.007
0.007
<0.005
<0.005
<0.005
Vinyl chloride
0.29
0.54
0.29
0.31
0.45
0.67
0.73
0.58
0.29
0.22
0.47
Xylenes (total)
0.024
0.017
0.018
0.019
0.03
0.052
0.034
0.024
0.013
0.013
<0.005
TOTAL: 2.72 3.40 2.53 2.41 3.69 4.89 7.31 3.39 1.67 1.08 1.70
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 4 of 6 PARTBIINFLUENT.XLS

TABLE 1
4�
AIR STRIPPER INFLUENT
CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR
SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
06125/02
12120/02
06/25/03
12/18/03
07/12/04
12/20/04
06127/05
02/14/06
06/22106
12/12/06
06/28107
Acetone
<0.05
<0.05
<0.05
<0.05
<0.05
0.02
<0.01
<0.01
<0.01
<0.01
0.011
Benzene
0.016
0.025
0.0096
<0.005
0.022
0.025
0.012
0.02
0.0072
0.0081
0.016
Carbon tetrachloride
<0.005
<0.005
<0.005
<0.005
<0.005
<0.002
0.0032
<0.002
<0.002
<0.002
<0.002
Chloroethane
0.50
0.360
0.240
0.082
0.29
0.5
0.18
0.27
0.12
0.13
0.26
Chloromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.002
<0.002
<0.002
<0.002
<0.002
<0.002
2-Chlorotoluene
0.048
0.053
<0.005
<0.005
0.024
0.035
0.013
0.015
0.006
0.0054
0.013
4-Chlorotoluene
<0.005
<0.005
<0.005
<0.005
<0.005
0.0014
0.00083.1
<0.001
<0.001
<0.001
<0.001
1, 1-Dichloroethane
0.059
0.073
0.046
0.038
0.063
0.09
0.073
0.08
0.059
0.063
0.15
1, 2-Dichloroethane
<0.005
<0.005
<0.005
<0.005
0.003J
0.0041
0.0022
0.0031
0.0015
0.0013
0.0034
1, 1-Dichloroethene
0.041
0.046
0.035
0.05
0.038
0.055
0.042
0.043
0.029
0.034
0.089
1, 2-Dichloroethene (total)
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
cis- 1, 2-Dichloroethene
0.034
0.037
0.020
0.02
0.05
0.059
0.048
0.049
0.03
0.043
0.11
trans-1, 2-Dichloroethene
<0.005
<0.005
<0.005
<0.005
0.0037.1
0.0044
0.0031
0.0045
0.0025
0.0031
0.0055
Dichlorodifluoromethane
<0.01
<0.01
<0.01
<0.01
0.0049.1
0.011
0.0059
0.0081
0.0049
0.0077
0.0066
Ethylbenzene
<0.005
<0.005
<0.005
<0.005
0.0018.1
0.0017
0.0011
0.0023
0.00056 J
<0.001
0.0011
Methylene chloride
0.081
0.130
0.023
0.0094
0.043
0.058
0.015
0.017
0.0094
0.0079
0.019
4-Methyl-2-pentanone
<0.01
<0.01
<0.01
<0.01
0.0054J
0.0057
0.0044.1
0.01
0.002 J
<0.005
0.0044.1
Naphthalene
<0.005
<0.005
<0.005
<0.005
0.0028.1
<0.001
0.0016
0.0056
<0.001
0.0019
0.0015
Tetrachloroethene
0.012
0.013
0.015
0.02
0.021
0.018
0.014
0.029
0.017
0.025
0.018
Toluene
0.016
0.022
0.010
<0.005
0.018
0.021
0.011
0.013
0.0045
0.0071
0.014
1, 1, 1-Trichloroethane
<0.005
0.0054
0.0051
<0.005
0.0074
0.0079
0.0055
0.0073
0.0054
0.0053
0.018
Trichloroethene
0.0056
0.0068
0.0063
0.0056
0.01
0.01
0.0084
0.014
0.0072
0.0096
0.0093
Tdchlorofluoromethane
<0.01
<0.01
<0.01
<0.01
<0.01
<0.002
0.0016J
<0.002
<0.002
<0.002
0.00071J
1,2,4-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
0.0012
0.0014
0.0013
<0.001
<0.001
0.00075.1
1,3,5-Trimethylbenzene
<0.005
<0.005
<0.005
<0.005
<0.005
<0.001
<0.001
<0.001
<0.001
<0.001
<0.001
Vinyl chloride
0.41
0.170
0.060
<0.01
0.12
0.16
0.07
0.06
0.03
0.039
0.11
Xylenes (total)
<0.005
<0.005
0.0075
<0.005
0.008
0.0079
0.0049
0.0083
0.0024
0.0014
0.005
TOTAL:
1.22
0.94
0.48
0.23
0.74
1.10
0.52
0.66
0.34
0.40
0.87
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
J: The analyte was positively identified but the value is estimated
below the
reporting limit.
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 5 of 6 PARTBIINFLUENT.XLS

e.
TABLE 1
AIR STRIPPER INFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters 121272007 06/26/08 12/12/08
Acetone
0.0052J
<0.01
<0.01
Benzene
0.011
<0.001
0.0047
Carbon tetrachloride
<0.002
<0.002
<0.002
Chloroethane
0.2
<0.005
0.062
Chloromethane
<0.002
<0.002
<0.002
2-Chlorotoluene
0.0077
<0.001
0.0023
4-Chlorotoluene
<0.001
<0.001
<0.001
1, 1-Dichloroethane
0.13
0.026
0.044
1, 2-Dichloroethane
0.0024
<0.001
0.001
1, 1-Dichloroethene
0.084
0.074
0.037
1, 2-Dichloroethene (total)
NA
NA
NA
cis-1,2-Dichloroethene
0.12
0.0086
0.031
trans-1, 2-Dichloroethene
0.004
0.00058.1
0.0027
Dichlorodifluoromethane
0.0076
0.0064
0.0059
Ethylbenzene
0.00092J
<0.001
<0.001
Methylene chloride
0.01
<0.002
0.0019
4-Methyl-2-pentanone
<0.005
<0.005
<0.005
Naphthalene
<0.001
<0.001
<0.001
Tetrachloroethene
0.02
0.02
0.027
Toluene
0.012
<0.001
0.0028
1, 1, 1-Trichloroethane
0.016
0.0023
0.0031
Trichloroethene
0.0086
0.0045
0.0063
Trichlorofluoromethane
0.00077J
<0.002
<0.002
1,2,4-Trimethylbenzene
0.0011
<0.001
<0.001
1,3,5-Trimethylbenzene
<0.001
<0.001
<0.001
Vinyl chloride
0.11
<0.002
0.022
Xylenes (total)
0.0044
<0.002
<0.002
TOTAL: 0.75 0.14 0.26
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
J: The analyte was positively identified but the value is estimated below the reporting limit.
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 6 of 6 PARTBIINFLUENT.XLS

TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Permit
Parameters
Limits
11/16/94
12/14/94
01/23/95
02/16/95
03/27/95
04/11/95
05116/95
06/28/95
07/12/95
08/09/95
Flow (MGD)
0.09
0.0599
0.0587
0.0311
0.0063
0.0532
0.0571
0.0551
0.01542
0.0561
0.0505
1, 1-Dichloroethane
0.46
<0.001
0.045
<0.001
<0.001
0.014
0.026
0.038
0.006
0.0091
0.01
1, 1-Dichloroethene
0.135
0.02
0.01
<0.001
<0.001
<0.005
0.0039
0.008
<0.005
<0.001
0.0014
1, 2-Dichloroethene (total)
1.382
0.066
0.029
<0.001
<0.001
0.012
0.015
<0.001
<0.005
<0.001
0.0053
Tetrachloroethene
0.044
0.0011
<0.005
0.014
0.007
<0.005
<0.001
0.002
<0.005
<0.001
<0.001
1, 1, 1 -Trichloroethane
1.525
0.065
0.03
0.01
0.004
0.013
0.024
0.03
<0.005
0.0061
0.0068
Trichloroethene
0.085
0.006
<0.005
<0.001
<0.001
<0.005
0.0022
0.0019
<0.005
<0.001
<0.001
Benzene
---
NA
<0.005
NA
NA
<0.005
NA
NA
<0.005
NA
NA
Chloroethane
---
NA
<0.01
NA
NA
<0.01
NA
NA
<0.01
NA
NA
Chloroform
---
NA
<0.005
NA
NA
<0.005
NA
NA
<0.005
NA
NA
Methylene chloride
--
NA
0.064
NA
NA
0.03
NA
NA
0.006
NA
NA
Xylenes (total)
---
NA
<0.005
NA
NA
<0.005
NA
NA
<0.005
NA
NA
Naphthalene
--
NA
<0.01
NA
NA
<0.01
NA
NA
<0.01
NA
NA
1,2-Dichloroethane
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Toluene
--
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
--
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1,3,5-Trimethlybenzene
--
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Comments:
5/5/92: NCDEM issued Pretreatment Permit 698410001.
10/25/94: Groundwater Recovery System brought On-line. Operates 24 hrs. a day, 7 days a week unless otherwise noted.
1/24/95: Pretreatment Permit 698410001 void. Union County Pretreatment Permit UC-1 effective.
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 1 of 7 PARTBIEFFLUENT.XLS

TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Parameters
Permit
Limits
09/18/95
10/25/95
11/21/95
12/13/95
01/26/96
02/20196
04/16/96
06/15/96
06/26/96
07/23/96
Flow (MGD)
0.09
0.0454
0.0158
0.0564
0.0537
0.009
0.0598
0.06
0.0506
0.0521
0.0487
1, 1-Dichloroethane
1.58
0.0063
0.0023
0.013
<0.005
0.012
0.024
0.014
0.0069
0.0057
0.0097
1, 1-Dichloroethene
0.139
<0.005
0.0021
<0.001
<0.005
NA
NA
NA
NA
<0.005
NA
1, 2-Dichloroethene (total)
0.28
<0.005
0.0011
0.009
0.016
NA
NA
NA
NA
<0.005
NA
Tetrachloroethene
0.096
<0.005
<0.001
<0.001
<0.005
0.0013
<0.001
<0.001
<0.001
<0.005
<0.001
1, 1, 1 -Trichloroethane
1.191
<0.005
0.0033
0.0066
0.009
NA
NA
NA
NA
<0.005
NA
Trichloroethene
1.42
<0.005
<0.001
<0.001
<0.005
0.0025
<0.001
<0.001
<0.001
<0.005
<0.001
Benzene
---
<0.005
NA
NA
<0.005
NA
NA
NA
NA
<0.005
NA
Chloroethane
---
<0.01
NA
NA
<0.01
NA
NA
NA
NA
<0.01
NA
Chloroform
---
<0.005
NA
NA
<0.005
NA
NA
NA
NA
<0.005
NA
Methylene chloride
---
0.0075
NA
NA
0.054
NA
NA
NA
NA
0.0064
NA
Xylenes (total)
---
<0.005
NA
NA
<0.005
NA
NA
NA
NA
<0.005
NA
Naphthalene
--
<0.01
NA
NA
<0.01
NA
NA
NA
NA
<0.01
NA
1,2-Dichloroethane
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Toluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1,3,5-Trimethlybenzene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Comments:
11/3/95: Union County Public Works reduced frequency of sampling.
March '96: Groundwater Recovery System down due to a request by Union County Public Works.
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
REVISED 02/17/09
Data provided by Radiator Specialty Company
Page 2 of 7
PARTBIEFFLUENT.XLS

TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
@,
•
Permit
Parameters
Limits
08/12/96
09/09/96
10/16/96 11/19/96
12/18/96
01/21/97
02/25/97
03/24/97
04/21/97
05/22/97
Flow (MGD)
0.09
0.0473
0.0454
0.0533 0.0464
0.0426
0.0481
0.0415
0.0427
0.0434
0.0469
1, 1-Dichloroethane
1.58
NA
0.0063
0.018 0.062
0.064
0.069
0.16
0.088
0.052
0.041
1, 1-Dichloroethene
0.139
NA
<0.001
NA NA
0.0071
NA
NA
0.014
NA
NA
1, 2-Dichloroethene (total)
0.28
NA
<0.001
NA NA
0.046
NA
NA
<0.001
NA
NA
Tetrachloroethene
0.096
<0.001
<0.001
<0.001 <0.001
<0.005
<0.001
<0.005
<0.001
<0.001
<0.001
1,1,1-Tdchloroethane
1.191
NA
<0.001
NA NA
<0.005
NA
NA
<0.001
NA
NA
Trichloroethene
1.42
<0.001
<0.001
<0.001 <0.001
<0.005
<0.001
0.005
<0.001
0.002
<0.001
Benzene
--
NA
NA
NA NA
<0.005
NA
NA
NA
NA
NA
Chloroethane
---
NA
NA
NA NA
0.011
NA
NA
NA
NA
NA
Chloroform
--
NA
NA
NA NA
<0.005
NA
NA
NA
NA
NA
Methylene chloride
---
NA
NA
NA NA
0.082
NA
NA
NA
NA
NA
Xylenes (total)
---
NA
NA
NA NA
<0.005
NA
NA
NA
NA
NA
Naphthalene
---
NA
NA
NA NA
<0.01
NA
NA
NA
NA
NA
1,2-Dichloroethane
---
NA
NA
NA NA
NA
NA
NA
NA
NA
NA
Toluene
---
NA
NA
NA NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
---
NA
NA
NA NA
NA
NA
NA
NA
NA
NA
1,3,5-Trimethlybenzene
---
NA
NA
NA NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
---
NA
NA
NA NA
NA
NA
NA
NA
NA
NA
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
REVISED 02/17/09
Data provided by Radiator Specialty Company
Page 3 of 7
PARTBIEFFLUENT.XLS

TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Permit
Parameters
Limits
06/26/97
07/28/97 08119/97
09/15/97
10/30/97
11/25/97
12/08/97
01/13/98
02/18/98
03/23/98
Flow (MGD)
0.09
0.0457
0.046
0.0438
0.0496
0.0518
0.0522
0.053
0.0542
0.0502
0.0469
1, 1-Dichloroethane
1.58
0.13
0.058
0.11
0.12
0.12
0.17
0.2
0.16
0.15
0.2
1, 1-Dichloroethene
0.139
0.018
NA
NA
0.027
NA
NA
0.025
NA
NA
0.072
1, 2-Dichloroethene (total)
0.28
0.12
NA
NA
<0.001
NA
NA
0.17
NA
NA
0.21
Tetrachloroethene
0.096
<0.005
<0.001
<0.001
<0.001
0.001
0.001
<0.005
0.002
0.003
0.006
1,1,1-Trichooroethane
1.191
<0.005
NA
NA
<0.001
NA
NA
0.005
NA
NA
0.015
Trcchloroethene
1.42
<0.005
<0.001
<0.001
<0.001
0.006
0.008
0.005
0.006
0.007
0.011
Benzene
---
0.0058
NA
NA
NA
NA
NA
0.008
NA
NA
NA
Chloroethane
---
0.06
NA
NA
NA
NA
NA
0.1
NA
NA
NA
Chloroform
---
<0.005
NA
NA
NA
NA
NA
<0.005
NA
NA
NA
Methylene chloride
---
0.19
NA
NA
NA
NA
NA
0.24
NA
NA
NA
Xylenes (total)
---
<0.005
NA
NA
NA
NA
NA
<0.005
NA
NA
NA
Naphthalene
---
<0.01
NA
NA
NA
NA
NA
<0.01
NA
NA
NA
1,2-Dichloroethane
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Toluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Vinyl chloride
--
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
1,3,5-Tdmethiybenzene
--
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
REVISED 02/17/09
Data provided by Radiator Specialty Company
Page 4 of 7
PARTBIEFFLUENT.XLS

^ 4
TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Permit
Parameters Limits 04/20/98 05/14/98 06/24/98 12/17/98 06/30199 12/07/99 12/29/99 06/28/00 12120/00 06/21/01
Flow (MGD)
0.09
0.0445
0.0448
0.0456
0.0475
0.0452
0.06
0.052
0.0531
0.0448
0.0405
1, 1-Dichloroethane
1.58
0.19
0.14
<0.005
0.1
0.32
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1-Dichloroethene
0.139
NA
NA
0.073
0.053
<0.005
<0.005
<0.005
<0.005
<0.005
1, 2-Dichloroethene (total)
0.28
NA
NA
0.2
0.075
0.22
<0.005
<0.005
<0.005
<0.005
<0.005
Tetrachloroethene
0.096
0.007
0.007
0.009
0.005
0.008
<0.005
<0.005
<0.005
<0.005
<0.005
1, 1, 1 -Trichloroethane
1.191
NA
NA
0.009
<0.005
0.036
<0.005
<0.005
<0.005
<0.005
<0.005
Trichloroethene
1.42
0.012
0.01
0.012
0.005
0.013
<0.005
<0.005
<0.005
<0.005
<0.005
Benzene
--
NA
NA
0.018
0.012
0.035
<0.005
<0.005
<0.005
<0.005
<0.005
Chloroethane
-
NA
NA
0.3
0.17
0.91
<0.01
<0.01
<0.01
<0.01
<0.01
Chloroform
-
NA
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Methylene chloride
-
NA
NA
0.53
0.085
0.59
<0.01
<0.005
<0.005
<0.005
<0.005
Xylenes (total)
---
NA
NA
<0.005
<0.005
0.014
<0.01
<0.005
<0.005
<0.01
<0.01
Naphthalene
---
NA
NA
<0.01
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
1,2-Dichloroethane
---
NA
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Toluene
---
NA
NA
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
<0.005
Vinyl chloride
---
NA
NA
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
1,3,5-Trimethlybenzene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2-Chlorotoluene
---
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Comments:
7/16/98: Union County Public Works reduced sampling frequency.
11/16/99: Replaced Packing Media in air stripping tower.
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 5 of 7 PARTB\EFFLUENT.XLS

TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
4*
Permit
Parameters
Limits
12/20/01
06/25/02
12/20/02
06/25/03
12/18/03
07/12/04
12/20/04
06/27/05
02/14/06
06/22/06
Flow (MGD)
0.09
0.0488
0.0404
0.0643
0.0635
0.0604
0.058
0.0563
0.0538
0.0447
0.0635
1, 1-Dichloroethane
1.58
<0.005
<0.005
0.00081
<0.0005
0.0016
0.00061
0.0018
0.0086
0.017
0.015
1, 1-Dichloroethene
0.139
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
0.0012
0.0028
0.0036
1, 2-Dichloroethene (total)
0.28
<0.005
<0.005
0.0012
<0.0005
0.0035
<0.0005
0.0026
0.0056
0.01152
0.011
Tetrachloroethene
0.096
<0.005
<0.005
<0.0005
<0.0005
<0.0005
0.00073
<0.0005
0.0007
0.0026
0.0031
1,1,1-Trichooroethane
1.191
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
0.0012
<0.0005
Trichloroethene
1.42
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
0.00088
0.0017
0.0014
Benzene
--
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
0.00076
0.0035
0.0014
Chloroethane
--
<0.01
<0.01
0.001
<0.0005
<0.0005
<0.0005
0.005
0.0091
0.025
0.016
Chloroform
--
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
Methylene chloride
--
<0.005
<0.005
0.0044
<0.002
<0.002
0.0023
0.0035
0.0031
0.0062
0.004
Xylenes (total)
--
<0.005
<0.01
<0.0005
<0.0005
<0.0005
<0.0005
<0.001
<0.001
0.0013
<0.001
Naphthalene
--
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
<0.0005
1,2-Dichloroethane
---
<0.005
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
0.00044J
<0.0005
<0.0005
Toluene
--
<0.005
<0.005
<0.005
<0.0005
<0.0005
<0.0005
<0.0005
0.00053
<0.0005
0.0011
Vinyl chloride
---
<0.01
<0.01
<0.01
<0.0005
<0.0005
<0.0005
<0.0005
0.0018
<0.0005
<0.0005
1,3,5-Tdmethlybenzene
---
NA
NA
NA
<0.0005
<0.0005
<0.0005
<0.0005
0.0013
0.0021
0.00097
2-Chlorotoluene
---
NA
NA
NA
<0.0005
<0.0005
<0.0005
<0.0005
0.00065
0.0033
0.0032
Comments:
12/12/02: Union County and Radiator Specialty Company reached an agreement to not renew RSC's Pretreatment Permit because treated
groundwater does not meet the definition of "Industrial Wastewater". The Permit Limits have been changed to "Safe Concentrations".
6/27/05: Changed Analytical Method to SM6230D to report results to below the groundwater protection standard.
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 6 of 7 PARTBIEFFLUENT.XLS

O
4,
TABLE 2
AIR STRIPPER EFFLUENT CONCENTRATIONS
VOLATILE ORGANIC COMPOUNDS
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Safe
Parameters
Conc.
12/12/06
06/28/07
12127/07 06/26/08
12112/08
Flow (MGD)
0.09
0.0589
0.0588
0.05497 0.0606
0.0582
V 1, 1-Dichloroethane
1.58
0.018
0.044
0.029 0.0035
0.015
V 1, 1-Dichloroethene
0.139
0.0034
0.0075
0.0037 0.00069
0.0015
y
ILA 1, 2-Dichloroethene (total)
0.28
0.01261
0.0393
0.02752 0.0022
0.0074
L �/ Tetrachloroethene
0.096
0.003
0.0029
0.0018 0.0018
0.0021
.4
L 1,1,1-Trichooroethane
1.191
<0.0005
0.0037
0.0012 <0.0005
<0.0005
Trichloroethene
Benzene 91 %L
1.42
M
0.0021
0.00093
0.0021
0.003
0.0012 0.00071
0.0011 <0.0005
0.00073
<0.0005
\/Chloroethane SSA vt\J 1 L
--
0.011
0.037
0.02 <0.0005
0.0081
Chloroform
--
<0.0005
<0.0005
<0.0005 <0.0005
<0.0005
V Methylene chloride S��r�
---
0.0033
0.0077
0.0034 <0.002
0.002
Xylenes (total)
--
<0.001
<0.001
<0.001 <0.001
<0.001
Naphthalene
--
<0.0005
<0.001
<0.001 <0.001
<0.001
J 1,2-Dichloroethane1 L
---
0.00097
0.00088
0.00093 <0.0005
<0.0005
1,3,5-Trimethlybenzene
---
<0.0005
<0.0005
<0.0005 <0.0005
<0.0005
2-Chlorotoluene
---
<0.0005
0.0024
0.00087 <0.0005
0.00081
Toluene Vjll b
--
0.00076
0.002
0.00093 <0.0005
<0.0005
Vinyl chloride 2.41 L
--
0.0015
0.0082
0.0027 <0.0005
<0.0005
Comments:
NOTE: Concentrations are in mg/L.
NA: Not Analyzed
J: Estimated valaue between the Reporting Limit and the MDL
Data provided by Radiator Specialty Company
REVISED 02/17/09 Page 7 of 7 PARTBIEFFLUENT.XLS

TABLE 3
RECENT INFLUENT AND EFFLUENT CONCENTRATIONS AND CALCULATED REMOVAL EFFICIENCIES
RADIATOR SPECIALTY COMPANY
INDIAN TRAIL, NORTH CAROLINA
Target Compound
2/12/2009
Influent
03/25/2009
Effluent
Removal
Efficiency
1, 1-Dichloroethane
0.065
<0.005
> or= 92.31%
1, 1-Dichloroethene
0.042
<0.005
> or = 88.10%
Tetrachloroethene
0.027
<0.005
> or = 81.48%
Trichloroethene
0.0063
<0.005
> or = 20.63%
Benzene
0.0067
<0.005
> or = 25.37%
Chloroethane
010
0.00.0030005
= 95.45%
Vinyl chloride
<05>or
= 83,33%
Totals
0.287
<0.035
> or = 87.80%
Values reported as "less than" were assumed to be zero for the purpose of
calculating totals.
Concentrations reported as milligrams per liter.
Data provided by Radiator Specialty Company,
Page 1 of 1