WI0400039_GEO THERMAL_20120517

i..~A-.----••~~. ;;;-;;-;, .. ~ -.~---------
MC DEMR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue···------
Govemor
Jason and Christina Mohom
3 Sailview Cove
Greensboro, NC 27455
Division of Water Quality
Charles Wakild,. P. E.--
Director
May 17, 2012
Subject: Notification of Rule"Revisions: Affecting
Closed-Loop Geothermal Injection Well Permit Holders
Permit Number: WI0400039
Dear Mr. and Mrs. Mohom:
Dee Freeman
Secretary
Our records indicate that you currently hold a permit for a closed-loop geothermal injection well
system. This letter is to inform you that on May 1, 2012, the North Carolina Administrative
Code Title ISA Section 2C .0200 entitled "Well Construction Standards -Criteria and
Standards Applicable Injection Wells" were revised. These revisions affect all permits issued
for injection wells including geothei;mal wells.
This letter is also to inform you that your closed-loop geothermal injection well(s) have become
"permitted by rule." Therefore, you are no longer required to renew your current. permit.
and the permit will be valid indefinitely as long as the wells are active and are operated in
accordance with the revised rules referenced above. Please keep in mind that if you abandon
the wells, a record of abandonment must be submitted to the D.ivision of Water Quality. You
may view the revised rules on our website at http://p ortal.ncdenr.or g/web/wq /ap s.
If you have any questions regarding your current permit or the rule revisions; please feel free to
contact our underground injection control staff at [phone].
Sincerely,
-Eric. G. Smith, P.G.
Hydrogeologist
cc: UIC Permit File
AQUIFER PROTECTION SECTION
1636 Mail Seivice Center, Raleigh, North Carolina 27699-1636
Location: 512 N. Salisbury St., Raleigh, North Carolina 27604
Phone: [phone] \FAX: [phone]
Internet www.ncwaterquality.org
An Equal Opportunity \ Affirmative Action Employer
One .. NoithCarohna
)Vatural/11
Permit Number WI0400039
Program Category
Ground Water
Permit Type
...
Injection Mixed Fluid GSHP Well System (SQM)
Primary Reviewer
michael. rogers
Permitted Flow
Facilit
Facility Name
Jason and Christina Mohorn SFR
Location Address
3 Sail View Cove
Greensboro
Owner
Owner Name
Jason
Dates/Events
NC 27455
Mohorn
Orig Issue
04/14/04
App Received Draft Initiated
01/12/09
Scheduled
Issuance
Central Files: APS_ SWP_
02/19/09
Permit Tracking Slip
Status
Active
Project Type
Renewal
Version
2.00
Permit Classification
Individual
Permit Contact Affiliation
Jason Mohorn
3 Sail View Cove
Greensboro
Major/Minor
Minor
NC
Region
Winston-Salem
County
Guilford
Facility Contact Affiliation
Owner Type
Individual
Owner Affiliation
Jason Mohorn
3 Sail View Cove
Greensboro
Public Notice Issue
02/16/09
NC
Effective
02/16/09
27455
27455
Expiration
01/31/14
_R_e ___ g_u_la_te_d_A_c_ti_v_it_ie_s _______________ =-'R=e=q=ue=s=t=e-=d-=-=/R-=e=c=----=e=iv'"-'e"-'d.....:=E""-ve-=-n=t=s~----------
Heat Pump Injection Region comments on draft requested
Region comments on draft received
Outfall NULL
Waterbody Name Stream Index Number Current Class
01/14/09
01/21/09
Subbasin
Permit Number WI0400039
Program Category
Ground Water
Permit Type
Injection Mixed Fluid GSHP Well System (SQM)
Primary Reviewer
michael.rogers
Permitted Flow
Facility
Facility Name
Jason and Christina Mohorn SFR
Location Address
3 Sail View Cove
Greensboro
Owner
Owner Name:
Jason
Dates/Events
NC 27455
Mohorn
Scheduled
Orig Issue
04/14/04
App Received Draft Initiated Issuance
01/12/09
Re gulated Activities
Heat Pump Injection
Outfall NULL
Central Files: APS_ SWP_
02/17/09
Permit Tracking Slip
Status
In review
Project Type
Renewal
Version Permit Classification
Individual
Permit Contact Affiliation
Jason Mo horn
3 Sail View Cove
Greensboro NC
Major/Minor
Minor
Region
Winston-Salem
County
Guilford
Facility Contact Affiliation
Owner Type
Individual
Owner Affiliation
Jason Mo horn
3 Sail View Cove
Greensboro NC
Public Notice Issue Effective
~llt)J CF/
Requested/Received Events
Region comments on draft requested
Region comments on draft received
27455
27455
Expiration
1/ 'di j /~
01/14/09
01/21/09
Waterbody Name Stream Index Number Current Class Subbasin
·Jl•h
.NC DE NR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue
Governor
Coleen H. Sullins
Director
February 16, 2009
David and Christina Mohom
3 Sail View Cove
Greensboro, NC 27455
Re: Issuance of Injection Well Permit
Permit No. WI0400039
Issued to David and Christina MohQrn
GuUford County
Dear Mr. and Mrs. Mohom:
Dee Freeman
Secretary
In accordance with your application received January 12, 2009, I am forwarding Permit No: WI0400039 for the
continued operation of a vertical closed-loop geothermal m~xed-fluid heat pump injection well system located at
3 Sail View Cove, Greensboro, Guilford County, NC 27589. This permit shall be effective from the date of
issuance until January 31, 2014, · and shall be-subject to the conditions and limitations stated therein.
Please pay special attention to the bolded language in the .permit. A review of our records indicates that copies
of the Well Construction Completion form (GW-1) and Triangulation Records were not submitted to this office
in accordance with the requirements of your permit (Part I paragraph 7 and Part II paragraph 11) issued on April
14, 2004.
Please submit the data within 30 calendar days of receipt of this letter to the following address:
Aquifer Protection Section (APS)
Und~ground Injection Control (UIC) Staff
1636 Mail Service Center
Raleigh, NC 27699-1636
Additionally, your UIC system is subject to inspection by the APS and at the time of the inspection must display
a permanently affixed identification plate in accordance with requirements of 2C .0213(g). Please insure this is
completed in accordance with permit condition Part I, paragraph 7 of this permit issued February 16, 2009.
AQUIFER PROTECTION SECTION
1636 Ma il Service Center, Raleigh, North Carolina 27699-1636
Location: 2728 Capital Boulevard, Raleigh, North Carolina 27604
Phone: [phone] \ FAX 1: 919-715-0588; FAX 2: 919-715-6048 \ Customer Service : 1-877-623-6748
Internet: www .ncwaterguality.org
An Equal Opportunity I Affirmative Action Employer
Ni¥ili Carolina
/Vaturall!f
In order to continue uninterrupted legal use of this well for the stated purpose, you should submit an application
to renew the permit three months prior to its expiration date. As indicated in the permit, this permit is not
transferable to any person without prior notice to, and approval by, the Director of the Division of Water
Quality. If you have any questions regarding your permit or the Underground Injection Control Program please
call me at [phone].
Best Regards,
Michael Rogers, Environmental Specialist
cc: Sherri Knight -W-SRO
Central Office File -WI040003 9
Guilford County Environmental Health Dept.
Home Energy Inc. -Monte Jefferson
Attachment( s)
2
NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH, NORTH CAROLINA
PERMIT FOR THE CONSTRUCTION AND OPERATION OF A WELL FOR INJECTION
In accordance with the provisions of Article 7, Chapter 87; Article 21,.Chapter 143, and other applicable
Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
David and Christina Mohom.
FOR THE CONTINUED OPERATION OF 21 TYPE SQM INJECTION WELLS,-defined in Title 15A North
Carolina Administrative Code 2C .0209(e)(3)(F), for the purpose of operating a "direct expansion'' type vertical
closed-loop geothermal-mixed-fluid heat pump system. This system is located at 3 Sail View Cove,
Greensboro, Guilford County, NC 27589, and will be operated in accordance with the application dated January
12, 2009, and in conformity with the specifications and supporting data submitted, all of which are filed with
the Department of Environment and Natural Resources and are considered a part of this permit.
This permit is for Operation only, and does not waive any provisions of the Water Use Act or any other
applicable Laws, Rules, or Regulations. Operation and use of an injection well shall be in compliance with
Title 15A North Carolina Administrative Code 2C .0100 and .0200, and any other Laws, Rules, and Regulations
pertaining to well construction and use.
This permit shall be effective, unless revoked, from the date of its issuance until January 31, 2014, and shall be
subject to the specified conditions and limi~ations set forth in Parts I through XIII hereof.
Permit issued this the ___ day of ______ , 2009.
Coleen H. Sullins, Director
Division of Water Quality
By Authority of the Environmental Management Commission.
3
PART I -WELL CONSTRUCTION GENERAL CONDITIONS
1. The Pennittee must comply with all conditions of this permit and with the standards and criteria specified
in Criteria and Standards Applicable to Injection Wells (15A NCAC 2C .0200). Any noncompliance with
conditions of this permit constitutes a violation of the North Carolina Well Construction Act and is
grounds for enforcement action as provided for in N.C.G.S. 87-94.
2. This permit shall become voidable unless the facility is constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
3. Each injection well shall not hydraulically connect separate aquifers.
4. Each injection well shall not be located in an area generally subject to flooding. Areas that are generally
subject to flooding include those with concave slope, alluvial or colluvial soils, gullies, depressions, and
drainage ways.
5. Each injection well shall be secured to reasonably insure against unauthorized access and use. Each well
shall be permanently labeled with a warning that it is for injection purposes and the entrance to each well
must be secured with a locking cap.
6. Each injection well shall be afforded reasonable protection against damage during construction and use.
7. Each geothermal injection well shall have permanently affixed an identification plate according to
2C .0213(g).
8. The Well Construction Record (Form GW-1), Mechanical Integrity Pressure Test, and
Triangulation Records shall be retained on-site for inspection according to permit conditions.
PART II -OPERATION AND USE GENERAL CONDITIONS
1. This permit is effective only with respect to the nature, volume of materials and rate of injection, as
described in the application and other supporting data.
2. This permit is not transferable without prior notice to, and approval by, the Director of the Division of
Water Quality (Director). In the event there is a desire for the facility to change ownership, or there is a
name change of the Permittee, a formal permit amendment request must be submitted to the Director,
including any supporting materials as may be appropriate, at least 30 days prior to the date of the change.
3. The issuance of this permit shall not relieve the Permittee of the responsibility of complying with any and
all statutes, rules, regulations, or ordinances, which may be imposed by other local, state, and federal
agencies, which have jurisdiction. Furthermore, the issuance of this permit does not imply that all
regulatory requirements have been met.
PART III -PERFORMANCE STANDARDS
1. The injection facility shall be effectively maintained and operated at all times so that there is no
contamination of groundwater, which will render it unsatisfactory for normal use. In the event that the
facility fails to perform satisfactorily, including the creation of nuisance conditions or failure of the
injection zone to adequately assimilate the injected fluid, the Permittee shall take immediate corrective
4
actions including those actions that may be required by the Division of Water Quality such as the repair,
modification, or abandonment of the injection facility.
2. The Permittee shall be required to comply with the terms and conditions of this permit even if compliance
requires a reduction or elimination of the permitted activity.
3. The issuance of this permit shall not relieve the Permittee of the responsibility for damages to surface or
groundwater resulting from the operation of this facility.
PART IV -OPERATION AND MAINTENANCE REQUIRE_MENTS
1. The injection facility shall be properly maintained and operated at all times.
2. the Permittee must notify the Division and receive prior written approval from the Director of any
planned physical alterations or additions in the permitted facility or activity not specifically.authorized by
the permit.
PART V -INSPECTIONS
1. Any duly authorized officer, employee, or representative of the Division of Water Quality may, upon
presentation of credentials, enter and inspect any property, premises, or place on or related to the injection
facility at any reasonable time for the purpose of determining compliance with this permit, m~y inspect or
copy any records that must be maintained under the terms and conditions of this permit, and may obtain
samples of groundwater, surface water, or injection fluids.
2. Department representatives shall have reasonable access for purposes of inspection, observation, and
sampling associated with injection and any related facilities as provided for in N.C.G.S. 87-90.
3. Provisions shall be made for collecting any necessary and appropriate samples associated with the
injection facility activities.
PART VI -MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, or soil sampling) deemed necessary by the
Division of Water Quality to insure surface and ground water protection, will be established and an
acceptable sampling reporting schedule shall be followed.
2. The Permittee shall report by telephone, within 48 hours of the occurrence or first knowledge of the
occurrence, to the Winston-Salem. Regional Office, telephone number [phone], any of the
foliowing:
(A) Any occurrence at the injection facility that results in any unusual operating circumstances;
(B) Any failure due to known or unknown reasons that renders the facility incapable of proper
injection operations, such as mechanical or electrical failures;
(C) Any loss of refrigerant in the system, regardless of the origin of the loss;
(D) Any recharging of the refrigerant system.
5
3. Where the Permittee becomes aware of an omission of any relevant facts in a permit application, or of any
incorrect information submitted in said application or in any report to the Director, the relevant and
correct facts or information shall be promptly submitted to the Director by the Permittee.
4. In the event that the permitted facility fails to perform satisfactorily, the Permittee shall take such
immediate action as may be required by the Director.
PART VII -PERMIT RENEW AL
The Permittee shall, at least 90 days prior to the expiration of this permit, request an extension.
PART VIII-CHANGE OF WELL STATUS
1. The Permittee shall provide written notification within 15 days of any change of status of an injection
well. Such a change would include the discontinued use of a well for injection. If a well is taken
completely out of service temporarily, the Permittee must install a sanitary seal. If a well is not to be used
for any purpose that well must be permanently abandoned according to 15A NCAC 2C .0213(h)(l), Well
Construction Standards.
2. When operations have ceased at the facility and a well will no longer be used for any purpose, the .
Permittee shall abandon that injection well in accordance with the procedures specified in 15A NCAC 2C
.0214, including but not limited to the following:
(A) All casing and materials may be removed prior to initiation of abandonment procedures if
the Director finds such removal will not be responsible for, or contribute to, the
contamination of an underground source of drinking water.
(B) The entire depth of each well shall be sounded before it is sealed to insure freedom from
obstructions that may interfere with sealing operations.
(C) Each well shall be thoroughly disinfected, prior to sealing, if the Director determines that
failure to do so could lead to the contamination of an underground source of drinking
water.
(D) Each well shall be completely filled with cement grout, which shall be introduced into the
well through a pipe, which extends to the bottom of the well and is raised as the well is
filled.
(E) In the case of gravel-packed wells in which the casing and screens have not been
removed, the casing shall be perforated opposite the gravel pack, at intervals not
exceeding 10 feet, and grout injected through the perforations.
(F) In those cases when, _as a result of the injection operations, a subsurface cavity has been
created, each well shall be abandoned in such a manner that will prevent the movement of
fluids into or between underground sources of drinking water and in accordance with the
terms and conditions of the permit.
(G) The Permittee shall submit a Well Abandonment Record (Form GW-30) as specified in
15A NCAC 2C .0213(h)(l) within 30 days of completion of abandonment.
6
3. The written documentation required in Part VIII (1) and (2) (G) shall be submitted to:
Aquifer Protection Section-VIC Staff
DENR-Division of Water Quality
1636 Mail Service Center
7
.... ... .... .... ............................. .........
_ .
,.
-------------.:.
.,297576
► ►
...
WELL CONSTRUCTION RECORD
.
North Carolina Depertraerrt.af Fwhronlrrent anti Natural Resoimes- Division of Weiar Quality
WELL CONTRACTOR CERTIFICATION #
1-.WELL CONTRACTOR:
f. DISINFECTION: Type
_
Amouret
NONE
g. WATER ZONES (depth):
Well Co.ntraotoI (IrzdlviduA)
Name
From To
From
To;
From Tc
Froin
To
V'JeI Contractor CampanyName
FIo.m To
From
To
STREET ADDRESS
C. CASING:
Thickness)
Depth
D}arneter
Wei& Material
From To- Ft.
City or Town
State ZIp Code .
From. To Ft.
From To Ft.
I
( y
Area code- Phone numoef
2. VdELL I NFORMATI014:
SITE VI: ELL ID Kif appliQable)_
STATE VI/ELL PERMIT#(if applio*e)
I
DM or OTHER PERMIT #(if applicable) I
'KNELL USE Other.
DATE DRILLED 5/1/2004
I
TIME CDMPLETE❑ AMC] PM©
3.' 5LL L0CATIQN
CITY: G..REENSBORO COUNTY GUILFORD
3 SAIL VIEW COVE NORTHERN SHORES ESTATES
(Street Nair*'. Numbers, Commu ray. Wbdivislorr. Lot No., Faroe), Z+p Code)
TnPOGRAPHIC 1 LAND SETTING: _
❑grope ❑Valley LOFIat ❑P1dge pother ry ~
(check appropriatea bK) Abe m dames
l tzi I do,
sarox� 11 A i
LATITUDE az a d?cfaraltoaZna
LONGITUDE
i.atitudellorLgztuderource:
4-WELL OWNER
QVV4ER'S NAME NONE
FACILTY NAME
FACILITY fD#
STREET ADDRESS
Giiy orTown State Zip Cede
Area ocde- Phone njimber
5. VIELL DETAILS-
e. TOTAL DEPTH: 100
b. DOES WELL REPLACE EXISTI NG WELL? YES ❑ NO F1
7, G'ROUT
Depth
Material
F rom
To
Ft.
Fran,
To
Ft- _
From
To
Ft.
8, SCREEN:
Depth
Diameter &Ic•tSize
From
To
Ft. In. in.
Fwrn
Ta
Ft. in. in -
Fro m
To
H.-in. in .
9. SANDIGRAVEL FAC;.:
Depth Size M ate rlaI
From, To Ft.
From Ta Ft.
Prom -To- Ft.
i
I
10 DRILLING LOG
From To
11. REMARKS:
I
Method
Mate ri at
Formation Descripficin
I Oft H ERE RY C ERTIFY THAT TH IS 0E L L LNAS DO H STR UCTIF D IN AC C G R ❑AkC E INITH
14. NO PL X, OELLCO8STRUCTIQN STAN DARDS,AN0 THATA CtiPr 6F Tii
R@ ORQ HPS SEEN FROyl0ED TO THE WEL1.6KIN ER,
c. WA.TER LEVEL Below Top of Casing: FT.
(IJse "t" if Above Top of 6asingj
d. TOP OF CASING lS. _ FT Above Land Surface" SIGNATURE OF CERTIFIED WELL CONTRACTCtR D
`Top. of casing terminated aVoI below iarod surface may fequire
a. variance in accordance with 15A NCAC 2 C .0118.
PR1NTFD NAMF nF PF RSn N CONSTR UCTING THE WELL
e. r IELR Igp mj METHOD OF .TEST: .
TMS COPY GEN-ERA'I'E,17 BY THE.1511461 SYSTEM ON 1/30/2009 3:39:55PM

WI0400039 Mohom
1 of 1
Subject: WI0400039 Mohorn
From: Stephen Berry <Stephen . [e-mail]>
Date: Wed, 21 Jan 2009 15:51:00 -0500
To: Michael Rogers <[e-mail]>
Mike,
I have located the permit in our files.
And per our phone conversation, I will schedule a site inspection when in the area conducting
other business.
Please issue the permit renewal prior to my site inspection.
I will contact the direct expansion system owner, Mr. Mohorn, and inform him of my intentions.
Thanks,
Stephen Berry
NC DENR
Winston-Salem Regional Office
Division of Water Quality, Aquifer Protection Section
585 Waughtown Street
Winston-Salem, NC 27107
Voice: [phone]
FAX: [phone]
Stephen Berry <[e-mail]>
Environmental Senior Technician
Division of Water Quality, Aquifer Protection Section
NCDENR
1/21/2009 3:46 PM
Re: Geothermal well ~ata. "
1 of2
Subject: Re: Geothermal well data
From: Michael Rogers <[e-mail]>
Date: Fri, 23 Jan 2009 10:45 :09 -0500
To: Floyd Robertson <[e-mail]>
The two projects are:
Permit #WI0300119
David and Jennifer Revelle
1908 Ashland Ave
Charlotte, NC 27205
Wells installed 3/15-5/15/08
Permit #WI0400039
David and Christina Mohorn
3 Sail View Cove
Greensboro, NC 27455
Wells installed around April 2004
Floyd Robertson wrote:
I am not sure where these jobs are, please reply a job location or more
information.
Floyd V. Robertson
On Thu, Jan 22, 2009 at 1:16 PM, Michael Rogers
<[e-mail]> wrote:
Mr. Robertson-
We have received a permit renewal application for the geothermal system
for David Mohorn (WI0400039). In reviewing the files, we do not have
certain well data that was to be ·submitted per the permit conditions
requirement (i.e. no GW-1 forms or triangulation data). Also, we do not
have the Mechanical Integrity test records or triangulation data for David
Revelle (WI0300119). Please fax or scan and email this information as
1
soon as possible, and send hard copies to my attention at address below.
1/30/2009 9:20 AM
Re: Geothermal well .data •
2 of2
We need this information to renew the permit for Mohom and eventually
Revelle.
Thank you for your cooperation.
Michael Rogers
Environmental Specialist
NCDENR
1 Aquifer Protection Section (APS)
Groundwater Protection Unit
2728 Capital Blvd., Raleigh, NC 27604
Telephone [phone]; Fax [phone]
1/30/2009 9:20 AM
A QUIFER PROTECTION SECTION
APPLICATION REVIEW RE Q UEST FORM
Date: January 14, 2009
To: □ Landon Davidson, ARO-APS
0 Art Barnhardt, FRO-APS
□ Andrew Pitner, MRO-APS
D Jay Zimmerman, RRO-APS
□ David May, WaRO-APS
□ Charlie Stehman, WiRO-APS
~ Sherri Knight, W-SRO-APS
From: Michael Rogers Groundwater Protection Unit
Telephone: {919) 715-6166 Fax: [phone]
E-Mail: [e-mail]
A. Permit Number: WI 0400039
B. Owner: David Jason Mohorn & Christina Mohorn
C. Facility/Operation: __
□~ ~ Existing D Facility D Operation
D. Application:
1. Permit Type: D Animal D SFR-Surface Irrigation □ Reuse D RR Infiltration
D Recycle D 1/E Lagoon D GWRemediation (ND)
~ UIC .. ~ Mixed-Fluid Geothermal well
For Residuals: D Land App. D D&M
D 503 D 503 Exempt
D Surface Disposal
0 Animal
2. Project Type: D ~~. D Major Mod. D Minor Mod. ~ Renewal D Renewal w/ Mod.
E. Comments/Other Information: ~ W '\iVO.W' ~ to accompany you on a site visit.
NOTE: If my schedule will allow, I would like to go out in the field with vour staff on this
inspection. Late in the morning or earlv afternoon works better for me.
Attached, you will find all information submitted in support of the above-referenced application for your
review, comment, and/or action .. Within, please take _the following actions:
~ Return a Completed APSARR Form and attach laboratory analytical results, if applicable.
D Attach Well Construction Data Sheet.
□ Attach Attachment B for Certification by the LAPCU.
D Issue an Attachment B Certification from the RO.*
* Remember that you will be responsible for coordinating site visits and reviews, as well as additional
information requests with other RO-APS representatives in order to prepare a complete Attachment B for
certification. Refer to the RPP SOP for additional detail.
When you receive this request form, please write your name and dates in the spaces below, make a copy
of this sheet, and return it to the appropriate Central Office-Aquifer Protection Section contact person
listed above.
RO-APS Reviewer: -------------------Date: _____ _
FORM: APSARR 07 /06 Page 1 of 1
Beverly Eaves Perdue, Governor
Dee Freeman, Secretary
North Carolina Departrnent of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
January 14, 2009
Jason Mohom
Christina Mohorn
3 Sail View Cove
Greensboro, NC 27455
Subject: Acknowledgement of Application No, W10400039
Mohorn. Jason - SFR
Injection Muted Fluid GSHP Well System (5QM)
Guilford
Dear Mr. and Mrs. Mohom:
The Aquifer Protection Section of the Division of Water Quality (Division) acknowledges receipt of your permit
application and supporting materials on January 12. 2009, This application package has been assigned the number
listed above and will be reviewed by Michael Rogers,
The reviewer will perform a detailed review and contact you with a request for additional information if necessary.
To ensure the maximurn efficiency in processing permit applications, the Division requests your assistance in
providing a timely and complete response to any additional information requests.
Please be aware that the Division's Regional Office, copied below, must provide recommendations prior to final
action by the Division. Please also note at this time, processing permit applications can take as long as 60 - 90 days
after receipt of a complete application.
If you have any questions, please contact Michael Rogers at 919-715-6166, or via e-mail at
[e-mail]. If the reviewer is unavailable, you may leave a message, and they will respond
promptly. Also note that the Division has reorganized. To review our new organizational chart, go to
'ht!IL/A2o.enr.state.ne.us/documents/dwci or::chart.l)df.
PLEASE REFER TO THE ABOVE APPLICATION NUMBER WHEN MAKING INQUIRIES ON TENS
PROJECT.
Sincere' l y,
for Debra J . tts
Supervisor
� f,- � 4--0
cc: Winston-Salem Regional Office, Aquifer Protection Section
Home Energy (Monte Jefferson, 302 E. Third St., Wendell, NC 27591)
Permit Application File W10400039
Aquifer Protection Section 1836 Mail Service Center Raleigh, NC 27699.1636
Internet: www.ncwateraualitv.ora Location- 2728 Capital Boulevard Raleigh, NC 27604
An Equal ppportunitylAffirnative Action Employer— 50% Recyciedil0% Post Consumar Paper
10"'althcaKaSy"
Telephone: [phone]
Fax 1: (919) 7t5-0588
Fax 2: [phone]
Customer Service: (a77) 623.6748

NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES (NCDENR}
APPLICATION FOR PERMIT TO CONSTRUCT AND/OR USE A WELL(S) FOR
INJECTION WITH A GEOTHERMAL HEAT PUMP SYSTEM FOR:
TYPE 5-0 M WELL(S)
____ New Permit Application OR __ --/ ___ Renewal (check one)
DATE: 'iJ';.,,,,11 -, q . 20 M RECEIVED/ DENR / DWQ
Aquifer Protection Section
PERMIT NO. \N:X 6 qaooVj (leave blank if NEW permit application) ' N 12 2009
A. PROPERTY OWNER(S)/APPLICANT(S)
List each Prqperty Owner listed on property deed (if owned by a business or government agency, state name of
entity and a representative w/authority for signature): D.ti ytt! ,Tu1iv N M-oh-ot?t!V
Cb ri 3 '/i--,,a. /Vl .u n n &vy t'1t, t,,. ,U?-,,,...,
(1) Mailing Address: 2 q A--(f ~ CoV<_.
City: 6=r:Utvfb·r, (Z.O State: .L)&:zip ~ode: 2=!l if~ s: County: 0-Lt.;lBrrA
Home/Office Tele No.: ', 3 (t? 2-e?1'a -O 5"'""'2--:':l;<Cell No.: 32ie ,=tf-o -/au 7
EMAIL Address: ) NL I:, t.., D R.,. N' @ A:O L-•-c.o,.,_,
(2) Physical Address of Site (if different than above): _______________ _
City: _________ State: __ Zip Code: ______ County: ____ _
Home/Office Tele No.: ___________ C=---=e=-=11=----=N....:...:o=----=--. ·=---· _________ _
EMAIL Address: ______________ _
B. AUTHORIZED AGENT OF OWNER, IF ANY (if the Permit Applicant does not own the subject property,
C.
!I _,.-••· ...
attach a letter from the property owner authorizing Agent to install and operate UIC well)
Company Name: --~A~/'----=-A-.L...-----------------------
Contact Person . .,_: ______________ E=MA:..:.=-:=IL=...;A=-==ddr==-=es:=..s ;:._: _________ _
Address: _____________________________ _
City: ________ State: __ Zip Code: _____ County: ______ _
Office Tele No.: Cell No.:
Website Address of Company, if any: _____________ _
STATUS OF APPLICANT
Private: _u Federal:
State: Municipal: __
Commercial:
Native American Lands:
GPU/UIC SQM Well Permit Application (Revised 9/2007) Page I
D.
E.
F.
G.
WELL DRILLER INFORMATION
Company Name: F / D ~ d g, /2. Q b e/1 ~ D .IV ..J--'8 /4 aof;,., e~ 6-eofJ,,,.,-,., .J. f:::sr/....,
Well Drilling Contractor's Name: I-f 1:?14 61 R c1b~D/I/ '+ S1iwt f?anJ~ -:rere..
/ \
NCContractorCertificationNo.: 1:-±£ 23 ( b ~nd,11t1t-r f.c fr.or,,,. Oa,.,ve.r Co)o:-,JoJ
Contact Person: F'/ ?f d >Z... t h er-±s "..-V EMAIL Address: Ef '3/ d , r?oh 4.:, tYtfJ .
Address: S-1 D 2: Em,Lr' fl~ Wt1t,v • GMAXL~ltJ.Att
City: ~bo"f2.-.l) Zip Code: ./1,/C County: -=--~--~ '4~·, ........ ) ....... fu ....... rd~-------
Office Tele No.:(3 '?4t{ (; }:, -t.f:31'-teUNo.: 45 ~
HEAT PUMP CONTRACTOR INFORMATION (if different than driller)
Company Name: Jj-o 1J1e E-/ll'~-4-¥-·-T /V5 b/W JJ&/-;u(H-1. o ~
Contact Person: /\1 a4.-~JZ EMAIL Address: ,M o ~.f-e. 6?,
1
f)h;.HM'IE /:111~
Address: 's O 2.. ~ i Tk,,~ ft±, t 1J APA--Alf • ~0 .+t.
City: kve'ba,e;ll{_ ZipCode: :2-,7S-1/ County: ~"1/::__·.w:..:·a '--'-k_'e... ______ _
Office Tele No.: (i t-1) 3 {,pfz -tJ'2t, J Cell No.:--'-'·¥~~~---=----------
INJECTION PROCEDURE (briefly describe how the injection well(s) will be used)
o:f -'-;/f!:b -eo~lLJi R -1-L ye';7~ t l:)N - -}_,?JJ<.d ~ '/R ~
WELL CONSTRUCTION DATA (Ski p to Section H if this is a Permit RENEWAL)
(1) Proposed date to be constructed: _______ Number of borings: ____ _
Approximate depth of each boring (feet): _______ _
(2) Chemical additives to be used in closed-loop system ( o~ly those chemicals indicated have been approved):
___ R-22 p ropylene glycol __ ethanol ________ other (other additives will
need prior approval by NCDENR before use)
(3) Type of tubing to be used (copper, PVC, etc): _______________ _
(4) Well casing. Is the well(s) cased? (check either (a.) YES .Q! (b.) NO below)
(a) YES ___ if yes, then provide casing information such as~ (steel, PVC, plastic, etc.), diameter,
depth, and extent of casing appearing above gro_und: ________________ _
(b) NO
(S) Grout. (material surrounding well casing and/or piping):
(a) Grout type: Cement__ Bentonite Other (specify) ______ _
(b) Grout depth of tubing (referenc·e to land surface): from ___ to ___ (feet)
If well has casing, indicate grout depth: from ___ to ____ (feet)
H. INJECTION-RELATED EQUIPMENT
Attach a diagram showing the engineering layout or proposed modification of the injection equipment and exterior
piping/tubing associated with the injection operation. The manufacturer's brochure may provide supplementary
information .
. GPU/UIC SQM Well Permit Application (Revised 9/2007) Page 2
1. LOCATION OF WELL{S)
Attach two copies of maps showing the following information:
(1) Include a site map (can be drawn) showing: buildings, property lines, surface water bodies, potential sources
of groundwater contamination and the orientation of and distances between the proposed well(s) and any
existing well(s) or waste disposal facilities such as septic tanks or drain fields located within. 1000 feet of the
geothermal heat pump well system. Label all features clearly and include a north arrow.
(2 ) Include a topographic reap of the area extending ofte mile from the property boundaries and
indicate the facility's location and the map name.
J. POTABLE WATER WELL(S)
Are there any potable water well(s) on the subject property or adjacent properties? YES /NO
If Yes, than indicate location on attached maps).
K. CERTIFICATION
Note: This Permit Application must be signed by each person appearing on the recorded legal property deed.
"I hereby certify, under penalty of law, that I have personally examined and am familiar with the information
submitted in this document and all attachments thereto and that, based on my inquiry of those individuals
immediately responsible for obtaining said information, I believe that the information is true, accurate and complete.
I am aware that there are significant penalties, including the possibility of fines and imprisonment, for submitting
false information, I agree to construct, operate, maintain, repair, and if applicable, abandon the injection well and
all related appurtenances in accordance with the approved specifications and conditions of the Permit."
Signature of Property Owner/Applicant
P i t or Type Full Name
L�n.
Signature of Property •QwnerlAppiicant
Print or Type Full Name
Signature of Authorized Agent, if any
Print or Type Full Name
Please return two copies of the completed Application package to;
North Carolina DENR-DWQ
Aquifer Protection Section
UIC Program
1636 Mail Service Center
Raleigh, NC 27699-1636
Telepbone [phone]
GPU1[RC 5QM Well Permit Application (Rcyscd 9/2007) Page 3

.,
EARTHLINKED
TEQHNOLUOMM
'�" D�a1�L�cator
R COMMERCIAL FOR THE 4410MF How TO BUY LEARN MORE
How it works
Products
benefits
how it Works
TAWW- cede system has three major
P�
FAQ
meet our customers
1. An earth loop system to exchange heat with the earth via a heat
transfer refrigerant that circulates through the loops.
2. A heat pump that moves heat Or Cool between the bullding and the
earth via the earth loops.
3. A distribution system to distribute comfort throughout the
building.
And two options for water heating:
1. A desuperheater to capture waste heat from the air conditioning
Cycle and move It to the water heater.
2. A Full -demand water heater, where the FarthUnked system
supplles ail of your hot water needs year -around.
Earth Loop System - engineered for efficiency and
flexibility
The earth loops are like arteries in a human body. The loops are
connected to the heat pump to circulate refrigerant and directly exchange
thermal energy with the earth. earthUnked ground loops have the
smallest size and smallest footprint in die market. they have the highest
temperature differential with the earth, which means they can use the
least amount Of earth contact to work effectively. The loops Can be
Installed in three different conflguratlons—Horizontal, Vertical or
diagonal —For maximum design flexibility and cost-effectiveness.
The tong -lasting earth loops are made or copper, One of the few metals.
that exist naturally as an element in the earth. A noble metal, copper
resists corrosion tlecause of the protective film that forms naturally on Its
surface, in rare exceptions where pH readings exceed safe levels, we
offer the proprietary Cathodic Protection System for the in -ground copper
to preclude Corrosion In harsh conditions. With Installations dating back to
1990, we have never experienced a field failure of a production earth loop
due to corrosion.
The earth loops are pre -assembled and pressure -tested for maximum
convenience, quality, and easy Installation. Depending upon underg
conditions, loops using Vertical or diagonal Configurations are typlca
Installed in less than two days, whereas horizontal loops can be Inst
In a single day.
Heat Pump - the heart of the system
Like a pulsing heart, the heat pump Circulates the refrigerant throug
earth loops to exchange thermal energy with the earth. No complex
digital or mechanical equipment Is required. Just three mechanically
simple devices (a compressor, a condenser and an evaporator) end
In a small indoor unit and integrated to work seamlessly, leveraging
natufal laws or physics. The system Is more reliable and efficient thi
other geothermal systems because it has no water circulating pump
intermediate heat exchanger or thermostatic expansion valve.
hap://www.emdffinke&com/msidcntiaVhow-it-works
I. 0 O.11R1k"_aRIII i
dick above for EarthUnked Installation
video
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How it works { EarthLiir a Technologies ,
Page 2 of 4
The heat pump Is engineered for easy Integration with the bullding's heat
distribution system. Because the unit is fully end osed, It tan be installed
Indoors and does not have to withstand the stress of extreme
temperature changes and Inclement weather.
Refrigerant Flow Controls
Refrigerant passes through the earth loops and exchanges thermal
energy with the earth. A uniquely innovative, patented technique enables
control of the flow and Stability of the refrigerant without any electronic
devices, thereby further improving the eMdency and reliability or the
EarthUnked system. The refrigerant Is efl`ictently managed by two simple
proprietary flow control devices:
• AMY-Charge_Gonlrgl
• WQuld Flow Control
These twu mechanical Controls respond dlrectiy to the temperature and
velocity of refrigerant flow through the system. They modulate the
amount of refrigerant In circulation to assure optimum effldency at all
times. By eliminating subcooling in the condenser, the system operates at
lower refrigerant "head" pressures with increased mass flow, which
reduces energy consumption, Increases heat transfer, system reliability
and useful Ilfe.
EarthZinked instaxlabon video
0. e dodrodd .1do 0
Installation
Pepending on site conditions, an EarthUnked system can be Installed In
one to two days. Once the appropriate system capacity Is identified, the
following steps are taken:
1. Choosing the appropriate loop coflfiguratfon. Earth loops can
be installed In vertical, diagonal or hori:mntat configurations to
provide the towest cost method, depending upon space
availability. The design options are flexible to adapt to site
Conditions and available space.
2. Drilling for space efficiency. Depending on the loop
configurations chosen, holes are drilled In the ground or installed
horizontally In the excavated space.
3. The copper loops. After the hales are drllied or excavated, the
earth -loops are inserted. These loops Circulate the refrigerant
continuously from the earth loop field to the heat pump and
distribution equipment In the building. Once the loops are
Installed, the holes an, grouted to assure good earth contact and
no voids.
4. Connectfng the earth loops to the manifold. All of the loops
are joined either to the supply or return manifold where the earth
loops converge, channeling refrigerant through the lines that are
connected to the compressor.
5. The role of the. compressor, The refrigerant lines are connected
to the compressor, which Increases the pressure and temperature
of the refrigerant. Heat energy released by the pressurized
refrigerant may be channeled either to the building if heat is
needed or to the earth If cooling Is needed. The process is
controlled by a thermostat and a reversing -valve.
6. Connecting an air handler. The refrigerant line may then be run
from the compressor to an air handler. The air handler Is used to

How it works j FarthLinked Technologies
Page 3 of 4
transfer treat ham the refrigerant to the alr and dreuiate me
heated air In the building, or to remove It tram the building ih
summer by exchanging It from the circulating air into the
refrigerant Ilne for transport to the earth.
]. CalnaCting a radiant Ayd►nnlc system. In the alternative, the
refrigerant line may be run from the compressor to a tefrigerant-
to"water cleat exchanger Mat Is used to transfer neat into a hot
water circulating system to heat the building.
Heating Mode Specifics
In the heating mode, the refrigerant enters the earth 10op5 OS a Lvld
liquid (blue in the graphic) and comes out as a coot vapor {green in the
graphic}. When a refrigerant evaporates it at)sorbs a large quantity of
heat from any surrounding material.
Tlierefore as the refrigerant flows through the 100ps, it absorbs neat from
the earth and stores it In vapor form for later reiea5e. Trie cool [green]
vapor that is heat -charged after leaving the eartn loops then enters the
compressor where Its temperature is raised from about 400F to about
S69'F.
During this compression stage, the temperature of the vapor increases
because of the intense onmpres5ion and, the vapor leaves the compressor
fired in the graphlC] hotter than the air in the building being heated.
$ecause the vapor leaving the compressor that Is hotter than the Inside
air, heat transfers Into the air flow as the air pa 55es the fan poll W the al
handler. This warms your home.
HEAT PUMP SCHEMATIC I1ertlirlx
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As the heat Is removed while the hot vapor passes through the
io ndensef, the vapor Condenses and exits the Conde riser a5 a 1lquid. This
warn liquid (yellow in the graphic) enters the flow control unit, which
monitors the amount of vapor arriving at the liquid flow control (LFC),
and meters ilquid only through the device for Its return to the earth Ioop
meld.
Cooling Mode Specifics
In the cooling mode, cool vapor (green in the graphic] arrives at the
aompressdr after absorbing heat ironthe air rn the build Ing. The•
Wrnpress0r compresses the cool vapor into a smaller volume, lncreasing
Rs heat density
The refrigerant exR5 the Compressor as a hot vapor (red in the graphic)
which then goes into the earth loop field. The loops act as a condenser
condensing the vapor undi It Is virtually all liquid. The refrigerant leaves
the earth loops as j.•::ire. it.^.r:i;] i : el!�%r :r rnF nr.)cnirl.
HEAT PUMP SCHEMATIC cam
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The flow Control regulates the now from the condenser se that only liquid
refrigerant passes through the control. The refrigerant expands as it iWtl
httpJfwww.earthlinked.comlresidenfi&V eow-it-works 1 /9/2009

How it wo:rks I EarthLlnked Technologies ,
the flow control and becomes a cold liquid (blue in the graphic). Because
the liquid evaporates as it passes through the cooling coil located in the
air handler, it absorbs heat from the air blowing over the coll surface and
thus cools your home.
contact us ~ corporate ~ privacy policy ~ links ~ site-map ~ home
.,·, 2009 EarthLlnked Technologies, Inc.
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Print Preview Page 1 ofl
Guilford County, NC
Map Scale
1 inch = 1631 feet
manifold
11
3 Sail View Cove
concrete patio
piping
manifold
1:100

Michael F. Easley, Govemor
W A
January 7. 2009
Jason and Christina Mohorn
3 Sailview Cove
Greensboro, NC 27455
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
7006 2150 0003 5466 8261
Subject: Notice of Expiration (NOE)
5QM Geothermal Injection Well
Permit No. WI0400039
Guilford County
Dear Mr. and Mrs. Mohorn:
William G. Ross Jr.. Secretary
North Carolina Department of Environment and Natural Resources
Coleen H. Sullins, Director
Division of Water Quality
The Underground Injection Control (UIC) Program of the North Carolina Division of Water
Quality (DWQ) is entrusted to protect the groundwater quality and resources of the State of
North Carolina, and is responsible for the regulation of injection well construction and operation
activities within the state. Our records indicate that the above -referenced operating permit for
the underground injection well system, which was issued on April 14, 2004, and expires on April
20, 2009, has not been renewed. In addition, our records do not indicate that the well system has
been plugged and abandoned.
In order to comply with the regulatory requirements listed under North Carolina Administrative
Code (NCAC) Title 15A, Subchapter 2C, Section .0211, you must submit one of the following
forms:
A. Application for Permit (Renewal) to Construct andlor Use a Wells) for Injection with
Geothermal Meat Pump System for Tape 5OM Well(s) if the injection well system on
your property is still active.
No
B. Status oflnjection Well System if the injection well system is inactive or has been
temporarily or permanently abandoned.
If there has been a change of ownership of the property, an Injection Well Permit
Name/Ownership Change Form must also be submitted.
Aquifer Prorection Section 1636 Mail Service Center
lntemet: wwwmewatenauality.or Location: 2728 Capital Boulevard
An Equal 4pportuiRy/Affirmative Action Empbyer--50% Recycle&10% Post Consumer Paper
Now Carolina
�tut'all ff
Raleigh, NC 27699-1635 Telephone: [phone]
Raleigh, NC 27504 Fax i s [phone]
Fax 2: [phone]
Customer Service [phone]

G Michael F. Easley. Governor
William G. Ross Jr.. Secretary
OLua:;
r North Carolina Department of Environment and Natural Resources
Caleeu H. Sullins, Director
Division of Water Quality
January 7, 2009
Jason and Christina Mohorn
3 Saiiview Cove
Greensboro, NC 27455
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
7006 2150 0003 5466 8261
Subject: Notice of Expiration (NOE)
5QM Geothermal Injection Well
Permit No. WI0400039
Guilford County
Dear Mr. and Mrs. Mohorn:
The Underground Injection Control (UIC)-Program of the North Carolina Division of Water
Quality (DWQ) is entrusted to protect the groundwater quality and resources of the State of
North Carolina, and is responsible for the regulation of injection well construction and operation
activities within the state, Our records indicate that the above -referenced operating permit for
the underground injection well system, which was issued on April 14. 2004. and expires on April
20, 2009, has not been renewed. In addition, our -records do not indicate that the well system has
been plugged and abandoned.
In. order to comply with the regulatory requirements listed under North Carolina Administrative
Code (NCAC) Title 15A, Subchapter 2C, Section .0211, you must submit one of the following
forms:
A. Application for Permit (Renewal) to Construct andlor Use a We11(s) for Ir jeetion with
Geothermal Heat Pump System for Type 50M Well(s) if the injection well system on
your property is still active.
B. Status of Injection Well System if the injection well system is inactive or has been
temporarily or permanently abandoned.
If there has been a change of ownership of the property, an Injection Well Permit
Name/Ownership Change Form must also be submitted.
Aquifer Protection Section 1636 Mail Service Center
Internet: www.nawcyttM alii� _or Location, 2728 Capital Boulevard
An Equal OpportunftylAffirrrat;re Action Employer— 50% Recydedll0% Post Consumer Paper
7V11ehCaro}ina
Naturally
Raleigh, NC 27699-1636 Telephone: [phone]
Raleigh. NC 27604 Fax 1: (919) 7I5-0588
Fax 2: [phone]
Customer.serviac: [phone]

If the injection well system is no longer being used for any purpose, it must be permanently
abandoned according to the regulatory requirements listed under NCAC Title 15A, Subchapter
2C, Section .02I4. When each well is plugged and abandoned, the well abandonment record
(Form GW-30) must be submitted to our office to certify that the abandonment was properly
conducted. If the injection well system is still active and you wish to renew your permit, the
renewal application must be submitted within 30 calendar days of the receipt of this letter to:
Aquifer Protection Section
Groundwater Protection Unit
UIC Program
1636 Mail Service Center
Raleigh, NC 27699-1636
Failure to submit these forms in a timely manner may result in the assessment of civil penalties
in accordance with North Carolina General Statute 87-94. For your convenience, a renewal
application and a UIC well system status form are attached along with a self-addressed envelope.
The above referenced forms are also available on-line at the DWQ website at
htt l:IIh2o_enr.state.nc.us/a sl u/fon-as.htm.
Thank you in advance for your cooperation and timely response. If you have any questions,
please call me at [phone].
Sincerely,
Michael Rogers
Environmental Specialist
Attachments
cc, Winston-Salem Regional Office - APS w/o enclosures
AP Central Files - Permit No. WT0400039 w/o enclosures
Page 2

Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Coleen Sullins, Director
Division of Water Quality
January 10, 2008
Dwayne Akers
Akers Custom Comfort
128 Garden Drive
Stokesdale, NC 27357
Subject: Geothermal Well Installation Data
Dear Mr, Akers:
In review of our records concerning closed -loop geothermal mixed -fluid injection well systems,
classified as 5QM type permits, we have found the following records have not been submitted
for permits where your company is listed as the heat pump installers:
• Well Construction Record (OW-1)
• Triangulation Data
• Mechanical Integrity Pressure or Vacuum/Leak testing data
In order to assist your clients (those who hold 5QM permits) in meeting the condition of their
permits, we request your assistance to provide the above information no later than February 29,
2008. For fiiture reference, we recommend you provide this information to your clients as soon
as construction is complete to assist them in meeting the condition of their permits. Also, please
remember their permits require them to keep this information on -site as well.
To assist you., we have attached a list of permits where you are listed as the heat pump installer.
We have also attached a form to fill out the results of your mechanical integrity tests. Thank you
in advance for your cooperation and timely response. If you have any questions regarding this
letter, please call me at [phone] or Michael Rogers at [phone].
Sincerely,
Oos" � W�k
Debra J. Watts
Environmental Supervisor
Groundwater Protection Unit
Attachment(s)
cc: APS Central Files (copy to each permit file on attached fist)
Each Permittee on attached list
Agrdfer Protection Section 1636 Mail Service Center
Internet: www,ncwatenu itN.or Location: 2729 Capital Boulevard
An Equal Opportu MVIAffirm alive Acdon Employer- 50% Recycledl10% Post Consumer Paper
N�o�nCarolina
Natumily
Raleigh, NC 27699.1636 Telephone: [phone]
Raleigh, NC 27604 Fax 3: [phone]
Fax [phone]
Customer service: [phone]

Issued Permits with Akers Custom Comfort Listed as Heat Pump Contractor
January 10, 2008
Permit No. Name Date Permit Issued
WI0400038 Charles Collins · 4/14/2004
WI0400039 Jason Mohorn · 4/14/2004
WI0300103 Joan Summerha ys , 2/15/2005
WI0300109 Dan Hurlbut · 3/31/2006
WI0400088 Marianne Janssen 8/13/2007
WI0300119"' David Revelle 11/27/2007
*Permit recently issued.
/
Mechanical Integrity Test Record
(For SQM Geothermal Heat Pump Injection Well ~ystem)
Owner/Pennittee Name: Permit Number: WI ----.---------------------
Facility Address: ____________________________ _
Home Phone: Cell Phone:
Heat Pump Contractor Name: _________________________ _
Office Phone: Cell Phone: ________________ -=..,;::;.=...;;;'-"'===;;........_-----------
Test er Name: ______________ Signature: ______________ _
Date of Test: -------
Loop Initial Pressure (p si) Final Pressure (p s i) Duration (minutes)
1
2
3
4
s
"6
7
8
9
10
11
12
13
14
15
Any additional loop testing add to back of this form
Comments:
Pass (Y es or No)
---------------------------------
Other Test Methods and Results:·
This form must be filled out and. signed by the tester. The record must be received by Aquifer Prot~ction Section 24 hours
prior to the initiation of the operation of the facility. You can send the form by mail: UIC Program, Mail Service Center 1636,
Raleigh, NC 27699 or by fax: [phone] .
.Mechanical Integrity Test Form 11/2007
• •• ,.
Directions to Mohorn Proiect
From Raleigh, take 1-40 West to Greensboro.
In Greensboro, take Highway 29 N toward Danville, Va.
From Highway 29, exit onto Cone Blvd. W.
~ 1,1
Go..appco"imetely-5 Miles and turn right on N. Elm St.
I -'S
Follow N. Elm St. across Pisgah Church Rd [3--4-mii'es]. N. Elm St. turns into Bass Chapel Rd.
Cross the lake twice, then turn right on Northern Shore Lane.
Go about .8 miles, then turn right on Northern Shore Point.
Turn right on Sail View Cove.
3 Sail View Cove is on the left.
DIVISION OF WATER QUALITY
GROUNDWATER SECTION
April .14, 2004
MEMORANDUM
TO: Ted Bush
THROUGH: Debra Watts JSw~
FROM:
RE:
./' 1
Evan Kane~(t_.
Injection Well Permits for Direct Expansion Heat Pumps:
Collins, WI0400038, Davidson County
Mohom, WI00400039, Guilford County
Charles C. Collins and Jason Mohom have each applied for a ·permit to construct and operate
closed-loop, mixed-fluid geothermal injection well system as part of a vertical direct expansion
(DX) heat pump system at a residential site. I recommend that the requested permits be issued and
offer the following summary to assist you in evaluating this recommendation.
Direct Expansion Background
A vertical DX heat pump system entai,ls burying copper refrigeration tubing in vertical boreholes
connecting the tubing to a heat pump and circulating Freon 22 (R-22)·through the subsurface
portions of the system in order to exchange heat directly with the ground. According to the
manufacturers, direct expansion heat pump· systems are much more efficient than traditional air-to-
air heat pump systems, which -exchange-heat by passing-outdoor air over refrigeration _coils,_or
even water-source heat pump systems, which exchange heat by circulating water through a heat
exchanger. Under the injection well regulations in 15A NCAC 2C .0200, vertical DX systems meet
the definition of a ."closed-loop geothermal-mixed-fluid heat pump injection well system" (ISA
NCAC 2C .0209(E)) This type of injection well requires a construction and operation permit for
each site,at which it is to be used. Currently we have only permitted water-source heat pump
injection~eUs under this regulatory definition.
The proposed vertical DX systems are manufactured by ECR Technologies. In February 2001,
Mr. Harvey Sachs, a consultant to ECR, submitted information to the Groundwater Section
regarding vertical DX systems and requesting our feedback on the permitting requirements for
such systems. In a letter from Arthur Mouberry dated February 15, 2001, the Section responded to
Mr. Sachs that the system did not meet regulatory requirements for injection wells arid would not
be permitted due to mechanical integrity issues related to potential corrosion of the copper piping,
potential leaking of the chlorinated hydrocarbon refrigerant in the system, and an organic
constituent in the grout proposed for use with the system.
In 2003, the Section agreed to re-examine whether vertical DX systems could be permitted iii
1 of4
North Carolina. Based on information provided by ECR Technologies and their distributor,
Gemma Tiller of AirBrokers HV AC, regarding the manufacture, quality control, installation, and
testing procedures for their systems, I believe it is reasonable to expect that these systems can meet
the mechanical integrity requirements of 15A NCAC 2C .0200 and thus are not likely to result in a
release of refrigerant to the subsurface. In particular, during our meeting with ECR, AirBrokers,
and Dwayne Akers on January 30, 2004 and in other correspondence from these parties, ECR and
AirBrokers indicated that:
1. they require installation of an active cathodic protection system to prevent. corrosion of the
system at sites -where soil pH is below 6 or above 11. ECR and AirBrokers indicate that
they will not sell a system to an installer without first obtaining soil pH test results for the
site;
2. they conduct multiple checks on the mechanical integrity of the loop tubing between
manufacture and installation, as well as a final mechanical integrity test after installation of
the loop;
3. they require new installers to complete a certification program to ensure that proper
procedures are used in the installation of these systems; and
4. they have no known subsurface failures ofECR's systems in roughly 20 years. I have
called environmental agencies in several states to determine if they have had any problems
with groundwater contamination resulting from vertical DX systems and found none were
aware of any problems, but also found that most states do not require individual permits for
these systems and therefore do not have any hard and fast data to track any failures.
Additionally, the organic component of the proposed grout is no longer an issue because ECR,
AirBrokers, and the permit applicants have indicated a different grout will be used than the one
proposed in 2001. The new grout, ThennalGrout Select, is a bentonite-sand mixture that contains
no organic constituents.
Though I have said that I believe that these systems are not likely to result in a release of
refrigerant to the subsurface, these systems are new to North Carolina, and little verifiable
information is available about their track record for subsurface releases ( other than the longevity of
the company that makes them). For these reasons, I think it is very important that we make a
concerted effort to track each site with one of these systems once it is permitted. As described
below, the pem1its that I have drafted include special conditions regarding reporting of refrigerant
leaks and refrigerant recharging. ·
Site Background
Collins: The Collins site is an existing home served by a private well and on-site septic system.
According to the GW-1 submitted for the existing water supply well, the shallowest water-bearing
zone encountered in drilling lies at 150 feet below land surface (bis) and the well is cased to 60 feet
bis. Maps submitted with the application and the site inspection conducted by Chris Greene
indicate that the proposed injection well locations comply with the required minimum separation
distances froni the septic system as well as the manufacturer's suggested minimum separation
distance from the water supply well.
Mohom: The Mohom site is a new home site served by county water and sewer. Separation
distances appear to b~ in compliance with required minimums.
2 of4
The applications submitted for each site indicate that the soil pH is within the acceptable range for
system installation without cathodic protection.
Site-Specific Aspects of the Proposed Injection Wells
At each site, ten injection wells will be drilled to approximately 100 feet each. Each borehole will
be grouted from 5 feet bls to 100 feet bis after insertion of the copper tubing loop.
Unique Permit Conditions for Vertical Direct Expansion Heat Pumps
I have incorporated several changes to the standard SQM injection well permit conditions in the
attached pem1its. These changes are based on my own research and judgment as well as
suggestions provided by ECR via e-mail on April 9, 2004. I recommend that these special permit
conditions become standard for all PX systems regardless of manufacturer unless new information
leads us to change them ..
The special conditions include:
1. Part II -Well Construction Special Conditions:
a. Soil pH testing must be performed prior to-system installation and cathodic
protection must be installed if pH is less than 6 or greater than 11.
b. All underground tubing shall be constructed of refrigeration grade copper. This
ensures a minimum standard for the quality of the copper tubing used.
c. Tubing must be leak tested prior to installation (this is a factory test that ECR says
is standard procedure).
d. Tubing must be inspected before insertion into the borehole, including checking for
a factory-applied.pressure charge.
e. Brazing material (solder) must be lead-free and must have a galvanic potential as
close as practicable to that of the copper tubing. This is to prevent a galvanic
corrosion reaction between dissimilar metals at soldered joints.
f. Nitrogen must be circulated through the tubing during brazing (soldering) to
preYcnt oxidation corrosion of the tubing. This was a manufacturer
recommendation and appears to be a standard requirement in the refrigeration
industry.
g. The system must pass a mechanical integrity test prior to being charged with
refrigerant.
h. Ma11i ruld (tubing header) locations must be recorded by triangulation. Records of
this 111ust be retained by the permittee and submitted to us for our records. This is to
a:L! i1~ locating leaks or damaged portions of the system.
2. 'i>art VI.i -iviunitoring and Reporting Requirements: In addition to the standard
requirements that the permittee report system malfunctions and system modifications to us,
I have added conditions that the permittee report to us any loss of refrigerant from the
system, ·reg~1rdlcss of the origin of the loss, as well as any recharging of the refrigerant
system. -:·11.:: purpose ofthese reporting requirements is to ensure that if a leak occurs, we
are informc'": b~fore the leak is "repaired" or diagnosed simply by repeatedly recharging the
refrigerant. I :1 this way, any leaks that might impact groundwater will be limited in volume
(so long .. :s :':·::: applicant complies with these permit conditions).
3 of4
Summary
I believe that through a combination of quality control and installation standards require_d by ECR
and the testing, installation and reporting requirements of these permits, groundwater quality can
be protected from potential impacts of vertical DX systems. Therefore, I recommend issuance of
these permits.
Attachments -Mohorn and Collins permits
4of4
DMSION OF WATER QUALITY
GROUNDWATER SECTION
April 14, 2004
MEMORANDUM
To:
From:
Re:
Sherri Knight
Winston-Salem Regional Office
Evan Kane () J,;
Central Ofr/cf-
Issuance of two Closed-Loop Geothermal-Mixed-Fluid Injection Well System Permits
(Type SQM):
Permit Number WI0400039 to construct and operate a vertical closed-loop direct expansion heat
pump system has been issued to Jason Mohom at 3 Sail View Cove, Greensboro, North Carolina
and Permit Number WI0400038 to construct and operate a vertical closed-loop direct expansion
heat pump system has been issued to Charles Collins at 1506 Healing Springs Drive, Denton,
North Carolina
The Underground Injection Control Group appreciates your assistance with these site inspections
and application reviews. Please retain the applic~tion and paper work for the WSRO-UIC files.
If you have any questions regarding this permit or the UIC program, please contact me at (919)
715-6165.
cc: CO-UIC Files
Enclosures
1
W A rF
Michael F. Easley. Governor
DF
9qG r
William G. Ross Jr., Secretary
north Cara Iiea aepartrwnt of Environment and Natural Resources
-Gt
[q '+
Alan W. Klimek, P. E. Dire=
j
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
April 14, 2004
Dr. Jason Mohorn
224 North Elam Avenue
Greensboro, NC 27403
Subject: Injection Well Permit #WI0400039
Dear Dr. Mohorn:
In accordance with your application submitted on March 19, 2004 we are forwarding Permit
Number W104000039 for the operation of a vertical closed -loop direct expansion heat pump
injection well system at 3 Sail View Cove, Greensboro, North Carolina.
This permit shall be effective from the date of issuance until April 20, 2009, and shall be subject to
the conditions and limitations stated therein. In order to continue uninterrupted legal use of this
well for the stated purpose, you should submit an application to renew the permit three months
prior to its expiration date. As indicated in the permit, this permit is not transferable to any
person without prior notice to, and approval by, the Director of the Division of Water Quality.
Please read the permit carefully to be sure you understand all its conditions before constructing
and operating the injection well system. If you have any questions regarding your permit please
feel free to contact me at [phone].
Sincerely,
Evan O. Kane, L.G.
Underground injection Control Program Manager
Enclosures
cc: Groundwater Section Winston-Salem Regional Office
fie
WAR
KQ
RUM
N. C. Division of Water Quality 1 Groundwater Section
1636 Mail Service Center Raleigh. N.C. 27699.1636 Ci77-623-6748
mer �
Phone: [phone] Fax: (919)715-U588 Internet: http:!lgw.ehnr.state.nc.us i

NORTH CAROLINA
ENVIRONMENTAL MANAGEMENT COMMISSION
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
RALEIGH, NORTH CAROLINA
PERMIT FOR THE CONSTRUCTION AND OPERATION OF A WELL FOR INJECTION
In accordance with the provisions of Article 7, Chapter 87; Article 21, Chapter 143, and
other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Mr. Jason Mohom
FOR THE CONSTRUCTION AND OPERATION OF A TYPE SQM INJECTION WELL
SYSTEM, defined in Title 1 SA North Carolina Administrative Code 2C .0209( e )(3)(F), for the
purpose of operating a vertical closed-loop direct expansion heat pump system. This systeni is
located at 3 Sail View Cove in Greensboro, Guilford County, North Carolina, and will be
constructed and operated in accordance with the application submitted March 19, 2004, and in
conformity with the specifications and supporting data submitted, all of which are filed with the
Department of Environment and Natural Resources and are considered a part of this permit.:
This permit is for Construction and Operation only, and does not waive any provisions of the
Water Use Act or any other applicable Laws, Rules, or Regulations. Operation and use of an
injection well shall be in compliance with Title 15A North Carolina Administrative Code 2C
.0100 and .0200, and any other Laws, Rules, and Regulations pertaining to well construction and
use.
This permit shall be effective, unless revoked, from the date of its issuance until April 20, 2009,
and shall be subject to the specified conditions and limitations set forth in Parts I through X
hereof.
Peimit issued this the /1/"-i4iday of /1-pr,·L , 2004. <[L ~-----_ L--->___ -
Ted L. Bush, Jr., Assistant Chief
Groundwater Section
Division of Water Quality
By Authority of the Environmental Management Commission.
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE 1 OF7
PART I -WELL CONSTRUCTION GENERAL CONDITIONS
1. The Permittee must comply with all conditions of this permit and with the standards and
criteria specified in Criteria and Standards Applicable to Injection Wells (15A NCAC 2C
.0200). Any noncompliance with conditions of this permit constitutes a .violation of the
North Carolina Well Construction Act and is grounds for enforcement action as provided
for in N.C.G.S. 87-94.
2. This permit shall become voidable unless the facility is constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other supporting data.
3. Each injection well shall not hydraulically connect separate aquifers.
4. Each injection well shall be constructed in such a manner that water from land surface
cannot migrate into the borehole.
5. Each injection well shall be secured to reasonably insure against unauthorized access and
use.
6. Each injection well shall be afforded reasonable protection against damage during
construction and use.
7. Within 30 days of completion of well construction, a completed Well Construction Record
(Form GW-1) must be submitted for each injection well to:
Groundwater Section-DIC Staff
DENR-Division of Water Quality
1636 Mail Service Center
Raleigh, NC 27699-1636
PART ll-WELL CONSTRUCTION SPECIAL CONDITIONS
1. Prior to constructing the injection well system, the pennittee or his agent shall test the pH
of the soil at a depth of three feet at the planned well location. If th.e resulting soil pH is
less than 6 standard units or greater than 11 standard units, the well system shall be
equipped with a compatible cathodic protection system.
2. At least forty-eight (48) hours prior to constructing each injection well, the Permittee shall
notify the Groundwater Section-Underground Injecti~n Control (UIC), Central Office staff,
telephone number [phone] and the Winston-Salem Regional Office Groundwater
Section Staff, telephone number [phone].
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE20F7
3. All underground tubing shall be refrigeration grade copper tubing.
4. Prior to installation, all tubing to be placed in boreholes ("loops") shall be checked for
leaks by pressurizing the loop to a gage pressure of at least 350 pounds per square inch
(psig), immersing .the loop in water and examining it for leaks. Loops with leaks shall not
be installed. A copy of the leak test record ( quality control tag) shall be submitted to the
Groundwater Section within 30 days of completion of well construction.
5. Prior to installation, each loop shall be visually inspected for damage such as kinks, dents,
and scrapes. Each loop shall be checked to verify that the nitrogen charge applied to the
loop by the manufacturer before shipping is still present at a pressure of at least 300 psig.
The loop manufacturer shall be notified in the event of damage or pressure loss, and the
manufacturer's instructions shall then be followed. The nitrogen charge may be released
only when the ·1oop is installed and ready to be connected to the manifold.
6. Boreholes shall be of sufficient size to allow for insertion of the loop as well .as a tremie
pipe for grouting.
7. After insertion of the tubing into the boreholes, an approved grout (as defined in Title 15A
North Carolina Administrative Code 2C .0100) shall be pumped via tremie pipe into the
annular space of each borehole so as to completely fill it from bottom to top.
8. AUtubing junctions shall be brazed using lead-free brazing material. The brazing material
shall have a galvanic potential as close as practicable to.that of the tubing material.
9. Dry nitrogen shall be circulated through the tubing during brazing to prevent oxidation of
the tubing.
10. After installation and prior to operation of the system, a mechanical integrity test shall be
conducted by pressurizing the injection well system to 400 psig with dry nitrogen and
monitoring for leaks using an ultrasonic or other leak detector of equal sensitivity and
monitoring pressure in the system for at least 2 hours. Any pressure fluctuation other than
that due to thermal expansion and contraction of the testing medium shall be considered a
failed mechanical integrity test. Any leaks shall be located and repaired prior to charging
the ·system with refrigerant. ·
11. The location of each of the _system manifolds shall be recorded by triangulation from two
permanent features on the site (e.g., building foundation corners). The permittee shall retain
a copy of the triangulation records. The permittee shall also submit a copy of the
triangulation records to the Groundwater Section within 30 days of completion of well
construction.
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE3 OF 7
12. The written documentation required in Part II, paragraphs (4) and (11) shall be submitted
to:
Groundwater Section-UIC Staff
DENR-Division of Water Quality
1636 Mail Service Center
Raleigh, NC 27699-1636
PART III -OPERATION AND USE GENERAL CONDITIONS
1. This permit is effective only with respect to the nature, volume of materials, and rate of
injection as described in the application and other supporting data.
2. This permit is not transferable without prior notice to, and approval by, the Director of the
Division of Water Quality (Director). In the event there is a desire for the facility to
change ownership, or there is a name change of the Permittee, a formal permit amendment
request must be submitted to the Director including any supporting materials as may be
appropriate, at least 30 days prior to the date of the change.
3. The issuance of this permit shall not relieve the Permittee of the responsibility of
complying with any and all statutes, rules, regulations, or ordinances which may be
imposed by other local, state, and federal agencies which have jurisdiction. Furthermore,
the issuance o.f this permit does not imply that all regulatory requirements have been met.
PART IV-PERFORMANCE STANDARDS
1. The injection facility shall be effectively maintained and operated at all times so that there
is no contamination of groundwater which will render it unsatisfactory for normal use. In
the event that the facility fails to perform satisfactorily, including the creation of nuisance
conditions, the Permittee shall take immediate corrective actions including those actions
that may be required by the Division of Water Quality such as the repair, modification, or
abandonment of the injection facility.
2. The Permittee shall be required to comply with the terms and conditions of this permit
even if compliance requires a reduction or elimination of the permitted activity.
3. The issuance of this permit shall not relieve the Permittee of the responsibility for damages
to surface or groundwater resulting from the operation of this facility.
PennitNo. WI0400039
GW/UIC-5 ver. 3/01
PAGE4 OF 7
PART V -OPERATION AND MAINTENANCE REQUIREMENTS
1. The injection facility shall be properly maintained and operated at all times.
2. The Peimittee must notify the Division and receive prior written approval from the
Director of any planned physical alterations or additions in the permitted facility or activity
not specifically authorized by the permit.
3. At least forty-eight ( 48) hours prior to the initiation of the operation of the facility for
injection, the Permittee must notify by telephone the Groundwater Section-Underground
Injection Control (UIC), Central Office staff, telephone number [phone].
Notification is required so that Division staff can inspect or -otherwise review the injection
facility and determine if it is in compliance with permit conditions.
PART VI -INSPECTIONS
1. Any duly authorized officer, employee, or representative of the Division of Water Quality
may, upon presentation of credentials, enter and inspect any property, premises, or place on
or related to the injection facility at any reasonable time for the purpose of determining
compliance with this permit, may inspect or copy any records that must be maintained
under the terms and conditions of this permit, and may obtain samples of groundwater,
surface water, or injection fluids.
2. Department representatives shall have reasonable access for purposes of inspection,
observation, and sampling associated with injection and any related facilities as provided
for in N.C.G.S. 87-90.
3. Provisions shall be made for collecting any necessary and appropriate samples associated
with the injection facility activities. ·
PART VII -MONITORING AND REPORTING REQUIREMENTS
1. Any monitoring (including groundwater, surface water, or soil sampling) deemed
necessary by the Division of Water Quality to insure surface and ground water protection,
will be established and an acceptable sampling reporting schedule shall be followed.
2. The Permittee shall report by telephone, within 48 hours of the occurrence or first
knowledge of the occurrence, to the Winston..;Salem Regional Office, telephone number
[phone], any of the following:
(A) Any occurrence at the injection facility which results in any unusual
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE5 OF7
operating circumstances;
(B) Any failure due to known or unknown reasons, that renders the facility
incapable of proper injection operations, such as mechanical or electrical
failures;
(C) Any loss ofrefrigerant in the system, regardless ofthe origin of the loss;
(D) Any recharging of the refrigerant system.
3. Where the Permittee becomes aware of an omission of any relevant facts in a permit
application, or of any incorrect information submitted in said application or in any report to
the Director, the relevant and correct facts or information shall be promptly submitted to
the Director by the Permittee.
4. Inthe event that the permitted facility fails to perform satisfactorily, the Permittee shall
take such immediate action as may be required by the Director.
PART VIII -PERMIT RENEW AL
The Permittee shall, at least three (3) months prior to the expiration of this permit,
request an extension.
PART IX-CHANGE OF WELL STATUS
1. The Pennittee shall provide written notification within · 15 days of any change of status of
an injection well. ·such a change would include the discontinued use of a well for
injection. If a well is taken completely out of service temporarily, the Pennittee must
install a sanitary seal. If a well is not to be used for any purpose that well must be
permanently abandoned according to ISA NCAC 2C .0213(h)(l), Well Construction
Standards.
2. When operations have ceased at the facility and a well will no longer be used for any
purpose, the Permittee shall abandon that injection Well in accordance with the procedures
specified in 15A NCAC 2C .0214, including but not limited to the following:
(A) All casing and materials may be removed prior to initiation of
abandonment procedures if the Director finds such removal will not be
responsible for, or contribute to, the contamination of an underground
source of drinking water.
(B) The entire depth of each well shall be sounded before it is sealed to insure
freedom from obstructions that may interfere with sealing operations.
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE60F7
(C) Each well shall be thoroughly disinfected, prior to sealing, if the Director
determines that failure to do so could lead to the contamination of an
underground source of drinking water.
(D) Each well shall be completely filled with cement grout, which shall be
introduced into the well through a pipe which extends to the bottom of the
well and is raised as the well is filled.
(E) In the case of gravel-packed wells in which the casing and screens have
not been removed, the casing shall be perforated opposite the gravel pack,
at intervals not exceeding 10 feet, and grout injected through the
perforations.
(F) In those cases when, as a result of the injection operations, a subsurface
cavity has been created, each well shall be abandoned in such a manner
that will prevent the movement of fluids into or between underground
sources of drinking water and in accordance with the terms and conditions
of the permit.
(G) The Permittee shall submit a Well Abandonment Record (Form GW-30)
as specified in 15A-NCAC 2C .0213(h)(l) within 30 days of completion of
abandonment.
3. The written documentation required in Part IX (1) and (2) (G) shall be submitted to:
Groundwater Section-DIC Staff
DENR-Division of Water Quality
1636 Mail Service Center
Raleigh, NC 27699-1636
PART X-OPERATION AND USE SPECIAL CONDITIONS
None
Permit No. WI0400039
GW/UIC-5 ver. 3/01
PAGE70F7
EVan Kane
From: Hal Roberts [[e-mail]]
Sent: Friday, April 09, 2004 4:28 PM
To: Evan Kane
Cc: Gemma Tiller
Subject: Permitting DX Heat Pump Injection Wells
Dear Mr.Kane,
Your letter of April 2nd arrived at our offices this afternoon. Unfortunately, I was misinformed in February that we did not need to
provide suggested guidelines for the earth loop installations. We had prepared them, but left them in our files because of the
misunderstanding.
Upon receipt of your letter, i reviewed them with our engineering staff to assure final approval. Our Proposed Requirements For
Installations are attached.
We are sorry for the delay.
Hal Roberts, CEO
ECR Technologies, Inc.
c
M
777
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4/12/04

PROPOSED NORTH CAROLINA PERMITTING
RE, QUIREMENTS FOR DIRECT EXCHANGE GEOTHERMAL
HEAT PUMP EARTH LOOP SYSTEM INSTALLATIONS
1, Inspection and Pressure Testing of Earth Loops
All underground components shall be constructed of Refrigeration Grade copper
tubing. Before installation, all loops shall be visually inspected for damage such
as kinks, dents, scrapes, and shall be checked to verify that the nitrogen charge
applied by the manufacturer before shipping, a charge of at least 300 PSIG, is still
present in the loops. The loop manufacturer shall be notified in the event of
damage or pressure Ioss, and the manufacturer's instructions shall then be
followed. The nitrogen charge may be released only when the earth loop is
installed and ready to be connected to the manifold.
2- Absence of site obstructions, corrosives and contaminants
Before excavating or drilling, the site must be inspected to assure the absence of
electric, gas, water, sewer, telephone and irrigation lines. No installation shall be
within ten (la) feet of a water well or water line; or fifty (54) feet of a septic
system; or the drainage zone of a building down spout; or below the collection
basin of deicing salts, or barnyard runoff. Soils with high concentrations of acids,
chlorides, hydrogen sulfide, sulfates and ammonia are potentially corrosive to
copper, and must be avoided. To avoid their presence, soil samples shall be taken
at a depth of three (3) feet using a soil sampling tube and chlorine/pH test meter
available from LaMotte Company, Chestei-ton, MD, www.lamotte.com, as order
code 1016 and 1741, respectively.
Locations with a pH higher than l 1 or lower than 6, coastal areas with brackish
water marshes, saltwater intrusion and acidic peat bogs must be avoided unless
cathodic protection with an impressed electrical current is used via a solid chill
cast high silicon iron anode, available from ECR Technologies, Inc.,
Nvww.ecrtech.com.
3 Bore hole Size
Bore holes must be drilled at least three inches in diameter to allow for
appropriate grouting and to a depth appropriate to accept the specified earth loop.
4. Loon Installation
The pressurized earth loop shall be inserted into the bore hole by uncoiling and
straightening in four to six foot lengths at a time. Loop installation and grouting
must be completed within twenty four (24) hours of removing the drill stem from
the bore hole.
5, Groutin-
After the earth loop is fully inserted into the borehole, the hole must be grouted
With a campound containing no organic material, such as Thermal Grout LiteThr,
EC RIProposcd Narth Carolina Rtgs 2-13-04

available from GeoPro, Inc., www.geoproinc.com, or equivalent using a grout
pump capable of at least 225 PSI and five (5) GPM of pumping capacity.
6. Manifold AssemblN,
After each earth loop has been grouted, the manifolds, earth loops and line sets
shall be connected using a brazing alloy containing 15% silver and using the
nitrogen brazing technique which circulates nitrogen inside the tubing to prevent
oxidation.
7. Leak Test
After completion of the earth loop/manifold/line set assembly, and before back
filling, a Shraeder valve (an access port) shall be brazed to the compressor end of
the vapor line and a cap brazed to the compressor end of the liquid line, then the
complete underground system shall be leak tested with nitrogen at 400 PSIG,
using an ultrasonic or other leak detector of equal sensitivity, or tinder water
bobble emission test.
8 Manifold Pit and Line Set Treneb
The manifold pit and line set trench must be free of rocks, sharp objects and
lumps of clay that might damage the copper tubing, Sand must be packed around
the manifolds so that backfilling will not damage or move them. A minimum of
one foot of sand below, around and above the manifolds is required.
9. Record of Manifold Location
The location of the manifolds of the earth loop system must be determined by
measuring and recording the length of the two lines of an imaginary triangle that
extends from two corners of the building structure and converge at the manifold
location. A drawing of the triangulation and measurements shall be retained by
the installer, building owner and the sales representative for later reference.
A copy of the triangulation information and drawing shall be submitted to the
Division on a form to be prepared by the Division, along with the address of the
installation, the name and address of the property owner, the name and address of
the driller who installed the system, the name and address of the grout installer,
and directions to the site.
EC R/Proposed North Carolina Regs 2• l3•04 2

Page 1 of 2
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Groundwater Section
PRECONSTRUCTION INJECTION FACILITY INSPECTION
REPORT -FORM A
DATE Y a o Y
NAME OF OWNER 1>r - - k o r�
ADDRESS OF OWNER 3� 'Y��aJ CA rz- lv►r�r+-r�o++a IYc- (5•14—
2� y /�. �1.�,,,ti 5 �-� . �r�.s.r1s � a rp I � L 2 �y •3 Crnct.,` I: �, J _
(Street/ road or lot and subdivision, county, town)
LOCH'
5•1L
N OF PROPOSED INJECTION WELL (and source wells), if applicable) 0,
(Street/ road or lot and subdivision , county, town, if dierent than owner's address, plus description of location an site)
Potential pollution source A , n Distance from well
Potential pollution source : rnr•'s' Distance from well
Potential pollution source Distance from well
r
Minimum distance of proposed well from property boundary 5fl
Quality of drainage at site �� Flooding potential of site 40 w
(good.adequate,paor) (high,moderare,low)
DRAW SKETCH OF.SITE.
(Shaw property boundaries, buildings, wells, potential p(-olluuition sour+cles., roads, approximate scale, and north arrow.)
I
4
GW/ f c-1
a&'-r-jan) x i
i
wle _
March 28, 2001
1

Page 2of2
PRECONSTRUCTION INJECTION FACILITY
INSPECTION "PORT - FORM A (cons.)
.111711
GPS Data:
Latitude:
COMMENTS
INSPECTOR
Longitude:
+- C- 1 . sc� r
C, G� 'up —
Office w :• '�
WITNESS
Address
WITNESS
Address
GWIUIC-1 March 28, 2001

NCDF-NR WSRO Fax : 335- r71-4532 Rpr 12 ' 04 15 : 41
Page
North CaroUna Department of En i- �jnment and Natural ResourceA
Division off"' at-r Quality
Groundwater- Section
PRECONSTRUCTION INSECTION FACILITY INSPECTI&V
REPORT -Fri HIM A
INJECTION WELL PERMIT NO. lVs
NAME Off' OWNER
DATE°�s {
ADDRESS OF OWNER � .`r ; � C, rG G � �i o •.� /`/ G C5 r a vG�'r^�ss j
- - - - - MmW wd or lot and sub&vIsfon, cotigy. town)
LOCATION OF PROPOSED INJECTION WELL (and source well(s), if applicable) Ca
� �u1e, t7.�.cw wnYs •.ill &�. s� b �,�'�.
�'SYreetl rvad or lot and sxb&wsion . cauviy, roww, if ffiWmW ilvi owner's address, plus descripvfion of location
Potential polluticr, source _ �: � - _ _. _ Distarve from well
Potential pollution source 44f�--v-A� _ Distance from well
Potential pollution source
Distance from well
Minimum dist=cc of proposeA well from propeAy $Gundary "� 5Q _
Quality of draznage at site Flooding. of site ��+y
(good,adeguats poor; (high,►noderate,low)
DRAW SKETCH OF.SITE_ � � � �"' P
(Show property boundafies, buddZags, vim.►?s, potcra!'±I;,c+Ir or_ so+arce., m ad5s oppradware scale, and norah arrow.)
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NCDENR WSRQ Fax:[phone] Apr 12 '04 15:41 F.04f[w
Page
PRECONS'I"RUMON INJECTION FACILITY
INSPECTION RfIYOT - FORM A (cant.)
GPS Data:
Latitude:
COM3M ITS
-�--
INSPECTOR C9 re-e-
Office k.) a VOA -
WITNESS
Address
WITNESS
-kddress
Lopagiitude: _
GWIUxC-1
Mann 28, 2001

Michaei F. Easley. Govcrnor
William G. Ross Jr.. Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek. P. E. Dim=
Division of Wares Quality
Coteen H. Sullins. Deputy Director
division of WaWQuatity
April 2, 2004
Ms. Gemma Tiller
Air Brokers HVAC, LLC
89 Lacey Lane
Kimberling City, MO 65686
Subject: Permitting of Direct Expansion Heat Pump Injection Wells
Dear Ms. Tiller:
On March 1.9, 2004, the Groundwater Section received applications for permits to construct
closed -loop mixed -fluid geothermal heat pump injection well systems associated with vertical
direct expansion heat pumps from Charles Coffins and Jason Mohorn. Technical review of these
applications is underway in the Groundwater Section's Central Office. Copies of these
applications have been forwarded to the Groundwater Section's Winston-Salem Regional Office
for their review and inspection of the sites. Although the Groundwater Section is making a
concerted effort to complete the review of these permit applications as quickly and fairly as
possible, there is information that we are still waiting for you to provide to assist us in completing
our review.
During our meeting on January 30, 2004, you agreed to provide the Groundwater Section with a
list of suggested minimum standards for manufacture, testing, and installation for vertical direct
expansion systems that could be incorporated into injection well permits for vertical direct
expansion heat pump systems. The purpose of this list is to help the Groundwater Section
develop permit criteria for manufacture, testing, and installation for vertical direct expansion
systems that are protective of groundwater quality but do not present unreasonable demands on
manufacturers, installers, or owners of vertical direct expansion systems. Providing a list of
suggested minimum standards gives ECR, Air Brokers, and Akers Custom Comfort an important
opportunity to have input into the criteria that may be incorporated into any injection well permit
for a vertical direct expansion heat pump system. To date we have not received this list from you.
The Groundwater Section is committed to complete its review of the applications that were
N. C. Division of Water Quality ! G=>adwater section
1636 Mail Service Center Raleigh, N.C. 27699-1636 Cusaomtx Servicc
Phone. [phone] Fax: (919) 71"588 Internee http:llgw.ehnrstate. nc,us 1.877-623-6748

Mr. Gemma Tiller
4/2/04
Page2
submitted in an expeditious manner. I am asking you to follow through on your commitment to
us by providing the list of suggested minimum standards as soon as possible. If you have any
questions about this request, please call me at [phone].
Sincerely,
~0-~
Evan 0. Kane, L.G.
Underground Injection Control Program Manager
cc: Hal Roberts -ECR
Barbara Riley -NC General Assembly
Sheryl Stevens -NC Department of Environment and Natural Resources
Alan Klimek-NC DENR, Division of Water Quality
Arthur Mouberry-NC DENR, DWQ, Groundwater Section
le
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Distance: 81.9 Miles -Approximate Travel Time: 2 hours 3 thins
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DIVISION OF WATER QUALITY
GROUNDWATER SECTION
March 23, 2004
MEMORANDUM
TO:
FROM:
RE:
Sherri Knight
Evan Kane fl-
"Direct Expansion" Heat Pump Systems (Collins and Mohom Permit Applications)
The permit applications· recently submitted by Charles Collins and Jason Mohom are for a type of
closed-loop geothermal-mixed-fluid heat pump injection well known as a vertical direct expansion
system which is new to North Carolina. Direct expansion heat pump systems entail burying
copper refrigeration tubing in the ground, either in shallow horizontal trenches ( a "horizontal DX
system") or in vertical boreholes ( a "vertical DX system").· The tubing is connected to a heat pump
and Freon 22 (R-22) is circulated through the subsurface portions of the system in order to
exchange heat directly with the ground. According to the manufacturers, direct expansion heat
pump systems are supposed to be much more efficient than traditional air-to-air heat pump systems
or even water-source heat pump systems. Under our injection well regulations in 15A NCAC 2C
.0200, vertical DX systems meet the definition of a "closed-loop geothermal-mixed-fluid heat
pump injection well" (15A NCAC 2C .Q209(E)). This type of injection well requires a
construction and operation permit for each site at which it is to be used.
Because this is a new type of injection well for North Carolina, I am sending you five documents
that you may find helpful i:q reviewing the permit applications submitted by Charles Collins and
Jason Mohom:
1. An email summarizing a meeting we had at the central office with representatives of a DX
system manufacturer and heating and-cooling contractor
2. A report prepared for the manufacturer about the selection of copper tubing for the
subsurface portions of the system
3. A report prepared for the manufacturer about the environmental impacts of R-22 in vertical
DX systems
4. A memo from Betty Wilcox summarizing her review of the R-22 report
5. A booklet by the manufacturer showing details of the manufacture and construction of DX
systems
Thank you for your assistance with reviewing these permit applications. If there is any other
information or assistance I can provide you for this review and inspection, please feel free to
contact me at 919-715-6165.
cc: file
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
March 19, 2044
Jason Mohom
224 North Elam Avenue
Greensboro, NC 27403
Dear Mr. Mohom:
Alan W. Klimek, P. E. Director
Division of Water Quality
Coleen Hi Sullins, Deputy Director
Division of Water Quality
Your application for a permit to construct and use a closed -loofa mixed -fluid injection well
systems has been received and is under review. A member of the Groundwater Section's Winston-
Salem Regional Office staff will be contacting you to arrange an inspection of the injection well
site as part of the review.
If you have any questions regarding your permit application or injection well regulations
,please contact me at [phone].
Sincerely,
Evan 0. Kane, L.G.
Underground Injection Control Program Manager
cc: Mr. Dwayne Akers, Akers Custom Comfort
Groundwater Section Winston-Salem Regional Office
file
N. C. Division of Water Quality 1 Grouridwater Section
1636 Mail Service Center Raleigh, N.C. 27699-1636 Customer Service
Phone: [phone] Fax: [phone] Internet: http:llgw.ehnr.state. nc.us F1,877-623-6748

MEMORANDUM
DIVISION OF WATER QUALITY
GROUNDWATER SECTION
March 19, 2004
To: Sherri Knight
From: Evan Kanetz:t..
Re: Request for review of an injection well application, type SQM injection well (closed-
loop mixed-fluid geothermal heat pump well), submitted by Jason Mohom, for the
construction and operation of a heat pump injection well system in Greensboro, North
Carolina.
1. Please review the application and submit any comments to CO-UIC group. Retain the
application for your UIC file.
2. Please inspect the injectiQn well site to verify that the location and construction plans
submitted in-the application are accurate and that the NCAC Title 15A 2C.0200 standards
are being complied with, using the enclosed Preconstruction Injection Facility Inspection
Report (Form A) as appropriate.
You are requested to return The Review Comments and the completed Preconstruction
In jection Facility Ins pection Report (Form A) to the CO-UIC by April 9, 2004. If the
inspection and review can not be accomplished by this date, please let me know.
The UIC group appreciates your assistance with this review. If you have any questions regarding
this review or the {!IC program, please contact me at(919) 715-6165.
cc: CO-UIC Files
Enclosures
NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
APPLICATION FOR PERMIT TO CONSTRUCT AND/OR USE A
WELL(S) FOR INJECTION WITH A HEAT PUMP SYSTEM
Type 5A7 and 5QM Wells
Cn Accordance with the provisions of NCAC Title 15A: 02C.0200
Complete application and [nail to address on the back page.
TO: DIREC % NORTH CAROLINA DIVISION OF WATER QUALITY
DATE: i4" 1 S 20_n4 -
A. SYSTEM CLASSIFICATION Please check column which matches proposed system.
(1) — Type 5A7 wells inject water used to provide heating or cooling for structures.
(2) Type 5QM wells contain a subsurface system of continuous piping, that is
isolated from the environment and circulates a fluid other than potable water.
This includes systems that circulate additives such as antifreezes and/or corrosion
inhibitors.
(3) _ Type 5QW wells contain a subsurface system of continuous piping, that is
isolated from the environment and only circulates potable water. If you selected
this well type, then comolete form [-;NV-57 CL, Notification Df fittem To
Construct A Closed -Loop Geothermal -Water Only Injection Well System.
B. PERMIT A 'I/CANT �J
Name: r "1 1 rr II
Address. -
City: State; nC Zip Code: County; 6aakp
Telephone: _ V
C. PROPERTY OWNER (if different from applicant)
Name: ►-�
Address:
City: �a Sate: Zip Code:F� �County:
Telephone:
D. STATUS OF APPLICANT
Private: D. Federal: Commercial:
State: Municipal: Native American Lands:
S h :z Wd 61 hvw hQ
GW•57 HP (Jars, 2000 =3 01NMQlfl)00 DAG
' ni'l l it in l'i ull Page t of 4

E. FACILITY (SITE) DATA
(Fill out ONLY if the Status of Owner is Federal, State, Municipal or Commercial).
Name of Business or Facility:
Address:
City:
Telephone:
F. HEAT PUMP CONTRACTO
Name- - 4 YE� S (fo-si
Zip Code: County:
Contact Person:
FIMI
Address: 1 �� XgL}h _C
City: 'rk5(]orl9:�-- Zip Code: 100- County:
Telephone. 33k _4V7- 7 AO-1 _ Contact Person: �[.�)Au 4kne5
G. INJECTION PROCEDURE (Briefly describe how the iin-jeection well(s) will be used.)
H. WELL USE Will the injection well(s) also be used as the supply well(s) for the following?
(1) The injection operation? YES__;__ __ NO
(2) Personal consumption? YES _ _ _ _ NO X
1, CONSTRUCTION DATA (check one)
EXISTING WELL being proposed for use as an injection well, Provide the data in
(1) through (7) below to the best of your knowledge. Attach a copy of Form GW-
1 (Well Construction Record) if available.
r
PROPOSED WELL to be constructed for use as an injection well. Provide the
data in (1) through (7) below as PROPOSED construction specifications. Submit
Form GW-1 after construction.
(1) Well Drilling Contractor's Name: _ t" [C%i�C-► ti
NC Contractor Certification number: 6705
(2) Date to be constructed: j Number of borings:
Approximate depth of each boring (fee*- )0
(3) Well casing: Is the well(s) cased?
(a) YES If yes, there provide the casing information below.
Type: Galvanized steel BIack steel Plastic Other (specify) __ —
Casing depth: From to ft. (reference to land surface)
Casing extends above ground _-_ _ _ inches
(b) NO A_
GW-57 HP (Jan, 2000) Page 2 o[4

(4) Grout (material surrounding well casing and/or piping):
(a) Grout type: Cement__ Bentonite __ Other (specify) {£a/Jo S::f FCf
(b) Grouted surface and grout depth (reference to land surface):
-A._ around closed loop piping; from S to 100 (feet).
__ around well casing; from __ to __ (feet).
(5) Screens (for Type SA7 wells)
(a) Depth: From __ to __ feet below ground surface.
(6) N.C. State Regulations (Title ISA NCAC 2C .0200) require the permittee to make provisions
for monitoring wellhead processes. A faucet on both influent {fluid entering heat pump) and
effluent (fluid being injected into the well) lines is required. Will there be a faucet on:
(a) the influent line? yes __ no_L {b) the effluent line? yes __ noL
(7) SOURCE WELL CONSTRUCTION INFORMATION (if different from injection well).
Attach a copy of Form GW-1 (Well Construction Record). If Form GW-1 is not available,
provide the data in part K (l) of this application form to the best of your knowledge.
NOTE: THE WELL DRILLING CONTRACTOR CAN SUPPLY THE DA TA FOR EITHER EXISTING OR
PROPOSED WELLS IF THIS INFORMATION IS UNAV Alt.ABLE BY OTHER MEAi'l'S.
J. PROPOSED OPERATING DATA (for Type SA7wells)
(1) Injection rate: Average ( daily) gallons per minute (gpm).
(2) Injection Volume: Average (daily) gallons per day (gpd).
(3) Injection Pressure: Average ( daily) pounds/square inch (psi).
(4) Injection Temperature: Average (January) ° F, Average (July) __ ° F.
K. INJECTION FLUID DA TA
(1) Fluid source (for Type SA7 wells) If underground, from what depth, formation and type of
rock/sediment unit will the fluid be drawn ( e.g., granite, limestone, sand, etc.).
Depth: ______ Fonnation:. ______ Rock/sediment unit: _____ _
(2) Chemical Analysis of Source Fluid (for Type SQM wells)
P
1
q,vide a complete listing of all chemicals added to the circulating heat transfer fluid:
r:.efe:r&-1Anr e?~ o,,, 'v .
L. INJECTION-RELATED EQUIPMENT
Attach a diagram showing the engineering layout of the irtjection equipment and exterior piping/tubing .
associated with the injection operation. The manufacturer's brochure may provide supplementary
information.
GW-57 HP (Jan, 2000) Page 3 of4
M. LOCATION OF WELL(S) Attach two maps.
(1) Include a site map (can be drawn) showing: buildings, property lutes, surface water bodies,
potential sources of groundwater contamination and the orientation of and distances between
the proposed well(s) and any existing well(s) or waste disposal facilities such as septic tanks or
drain fields located within 1000 feet of the geothermal heat pump well system. Label all
features clearly and include a north arrow.
(2) Include a topographic map of the area extending one mile from the property boundaries and
indicate the facility's location and the reap name.
N. PERMIT LIST: Attach a list of all permits or cons"ction approvals that are related to the site.
Examples include:
(1) Hazardous Waste Management program permits under RCRA
(2) NC Division of Water Quality Non -Discharge permits
(3) Sewage Treatment and Disposal Permits
❑. CERTIFICATION
"I hereby certify, under penalty of law, that I have personally examined and am familiar with the
information subtnitted in this document and all attachments thereto and that, based on my inquiry of
those individuals irrimediately responsible for obtaining said information, I believe that the information
is true, accurate and complete. I am aware that there are significant penalties, including the possibility
of fines and imprisonment, for submitting false information, I agree to construct, operate, maintain,
repair, and if applicable, abandon the injection well and all related appurtenances in accordance with
the approved specifications and conditions of the Permit."
/f1-',_,,nature of Well Owner or Authorized Agent)
'ri=ed again is acrrng on hehaljof the wel1 otmer,
please supply, a letter sigized by the owner authorizing the above agent-
P. CONSENT OF PROPERTY OWNER (Owner means any person who holds the fee or other property
rights in the well being constructed. A well is real property and its construction on land rests
ownership in the landowner in the absence of contrary agreement in writing.)
If the property is owned by someone other than the applicant, the property owner hereby consents to
allow the applicant to construct each injection well as outlined in this application and that it shall be
the responsibility of the applicant to ensure that the injection well(s) conforms to the Well
Construction Standards (Title I SA NCAC 2C .0200)
(Signature Of Property Owner If Different From Applicant)
Please return two copies of the completed Application package to:
UI C Program
Groundwater Section
North Carolina DENR-D►'1'Q
1636 Mail Service Center
Raleigh, NC 27699-1636
Telephone [phone]
GW-57 HP (Ian, 2000) Page 4 of 4

Air Handler
(or Cased Coil)
10,
Air Handle
Line Sel
Max.
20 FL. Max.
125 Ft., Max. — \ Manifolds
(Total Length of Both Line Sets) (Earth Loop)
Figure 16- Earth Linked" DX Cmmnreesnr Unif Air Handler/C.'aspd rnil and Earth LDan
Manifold Locations
The EarthLinked® DX System Cased Coil (Model CCH) is factory modified for
compatibility with the EarthLinkede DX Compressor Unit and is a dedicated vertical or
horizontal unit {not interchangeable},
IMPORTANT
EarthLinkee Cased Coils are to be installed only in the orientation specified on the carton
(vertical or horizontal). Do not install the evaporator coil in the unauthorized orientation. The
system will not operate properly and the system warranty will be voided
The Model CCH Cased Coil physical dimensions are detailed in Figure 17. Model CCH
coils may be installed for vertical upflowldownflow and horizontal left/right applications.
IMPORTANT
When utilized with a fossil -fueled furnace, the furnace blower must deliver air at a rate of
400 CFM per ton of air conditioning to ensure proper EarthLinkee DX System operation.
APP-DX 6/30/03 Page 23

Quadrangle View
Page 1 of 1
http://gis.enr.state.nc.us/topoviewer/quadmapjsp?Cmd---GetPoint 3/18/2004

Air Handler
Air Handler Line Set
r
(or Cased Coil) I r-
1pressor
Un# Earth Loop
Line Set
40 Ft., Max.
20 Ft., Max.
do 125 Ft.. Max. \ Manifolds
(Total Length of Both Line Sets) I (Earth Loop)
Figure 16 EarthLinked" DX Compressor Unit, Air HandlerlCased Coil and Earth L000
Manifold Locations
The EarthLinkee DX System Cased Coil (Model CCH) is factory modified for
compatibility with the EarthLinked* DX Compressor Unit and is a dedicated vertical or
horizontal unit (not interchangeable).
IMPORTANT
EarthLinked* Cased Coils are to be installed only in the orientation specified on the carton
(vertical or horizontal). Do not install the evaporator coil in the unauthorized orientation. The
system will not operate properly and the system warranty will be voided.
The Model CCH Cased Coil physical dimensions are detailed in Figure 17. Model CCH
coils may be installed for vertical upflowldownflow and horizontal left/right applications.
IMPORTANT
j When utilized with a fossil -fueled furnace, the furnace blower must deliver air at a rate of
400 CFM per ton of air conditioning to ensure proper EarthLinkee DX System operation.
APp-DX 6130103 Page 23

� F7Q�t1E
,�AVLLX&�J Qe
r�J UGC.
3o + r-,
obi-rc
*z

W
V
Manufactured by:
Black Hills Bentonite, L.L.C.
Developed and Exc)usivly Distributed by GeoPro, Inc.
GENERAL INFORMATION:
Thermal Grout Select is a unique bentonite-based two-part, field mixed, high to extreme -high solids,
grouting material that can mixed to meet a range of thermal conductivity's from 1.0D to 1.20 Btulhr ft *F.
It has bean specifically developed for closed -loop ground -coupled heat pump appIicatians where thermal
conductivity in the vertical pore column is critical to system performance. This product is certified by
the National Sanitation Foundation International to ANSI/ VSF_ Slanda.rd--C ir Djjn ajnq _�ase�nent
Chemicals - health Effect Thermal Grout Select contains no chemical polymers or organic ma
Thermal Grout Select provides unequaled performance while offering the contractor proven advantages
in handling and clean-up. When properly mixed, more than 30 minutes of working time is available be-
fore significant hydration occurs. Unlike many other bentonite grouting materials, Thermal Grout Select
does not flash hydrate.
Its percentage of solids will range from equivalent, to over 2.5 times greater than that of the best conven-
tional bentonite grout products. As the solids percentage becomes higher, Thermal Grout Select will
require less water per delivered gallon of yield than other grout as well as a linear shrinkage potential
which becomes less and less.
PHYSICAL SPECIFICATIONS:
Thermal Conductivity (TC) Range 1.00 -1.20 Btu/hr ft IF F16
_
PermeabiRyt < 6.9 x 104 curls
Percent Solids Range (based on TC) 85.1 - 70.4 %
Grout Weight Range (based on TC) 13.3 -14.4 lb/gal
Linear Shrinkage potential (based an TC) 40 - c 3 %
Maximum Particle Size a 300
PM Standard So
Unit Yield Range (based on TC) 34.7 - 41.5 gal/unit
100TE 1: Permeability verified by an Independent testing laboratory over a varlety of thermal wnductivltleS.
PACKAGING INFORMATION:
Thermal Grout Select, Part I is packaged in 50 lb multi -wall polyiined paper bags. Part R as supplied by
GeoPro, Inc. is typically packaged in 100 lb multi -wall paper bags or in 50 pound multi -wail paper bags.
Both components are shipped, stretch -wrapped on wooden pallets. Each full pallet of Part I contains 54
bags and each standard full pallet of Part li contains 30 to 40-100 lb hags or 54 to 80-50 lb bags.
MIXING INSTRUCTIONS:
1. Place fresh water in a conventional paddle mixing tank-
2 ' Start mixer and add Bentonite Base 2 (Part 1). Mix for about 1 minute.
3. Add Thermal Enhancement Compound 2 (Part 11) at a moderate rate (in about 1 to 2 minutes) and
continue to mix for another 1 to 2 minutes to Obtain a consistent mixture.
4. Pump with a positive displacement pump (piston pump strongly recommended) through a 11-1/4"
inside diameter tremie pipe at a rate of 5 to 15 gallons per minute.
NOTE 2: Call GeoPro, Inc. for exact quandtles, which will he based on the specdlad Om ma! conducliM.
PURCHASING INFORMATION:
For additional information or to locate the area sales representative ck est to
GeoPro, Inc.
1444 Rogers Court ■ Allen, TX 75013-5451
Phone: [phone] • Fax: (972) 3W1851 • www.GeoProinc.com
contact:

*!=~ Akers Custom Comfort, Inc.
128 Gordon Dr. Stokesdale, NC 27357 Office [336] 427-7882 Fax [336] 427-6750
March 18, 2004
UICProgram
Groundwater Section
North Carolina DENR-DWQ
Attn: Mr. Evan Kane
1636 Mail Service Center
Raleigh, NC 27699-1636
Re: pH test results [Mohom Project]
3 Sailview Cove
Greensboro, NC 27455
Mr.Kane,
0 ;-
:x x-:;o-
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In compliance with the requirements of the State of North Carolina in submitting an application for a permit to install a Direct
Expansion Geothermal Heat Pump System [DX], a soil test was performed to determine the pH levels. Per the tnanufacturers
installation requirements, the pH level in the soil must be 5.5 or greater or a Cathotic Protection System [CPS] must be
installed to protect the ground loops from acidic soil.
The two soil test performed indicated that the soil pH was within an acceptable level [6.0 -6.5] as specified by the
manufacturer. Therefore, there is no need for the installation ofa CPS.
Thank you for your assistance.
Respectfully submitted,
Dwayne Akers
President
Akers Custom Comfort, Inc.
1