NCG510236_Regional Office Historical File Pre 2018

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Water Quality
James B. Hunt, Jr., Governor A
Wayne McDevitt, Secretary 1E P%4 F=1
A. Preston Howard, Jr., P.E., Director July 28,1997
Lee Nix/Brown & Root
Conoco Oil Company
800 Oak Ridge Turnpike, Suite A600
Oak Ridge, TN 37830 Jut
Subject: Certificate of Coverage No. NCG510236
Renewal of General Permit
former store 33070
Mecklenburg County
Dear Permittee:
In accordance with your application for renewal of the subject Certificate of Coverage, the Division is forwarding
the enclosed General Permit. This renewal is valid until September 30, 2001.
This pern-dt is issued pursuant to the requirements of North Carolina General Statute 143-215 .1 and the
governmental pernut that maybe required.
If you have any questions concerning this permit, please contact the NPDES Group at the address below.
Sincerely,
4 01
fro"I� A. Preston Howard,
Jr., PZ
cc: Central Files
Mooresville Regional .Off cep
NPDES File
Facility Assessment Unit
P.0, Box 29535, Raleigh, North Carolina 27626-0535 [phone] FAX [phone] pie *dem.ehnr.state.nc.us
An Equal upportunityAffirmative Action Employer 50 recycled/ 10% post -consumer paper

DEPARTMENT OF EN
!a
CERTIFIC
TO DISCHARGE PET
Simi
NATIONAL POT
TATE OF NORTH CAROL
IRONMENT, HEALTH, AND NA
IVISION OF WATER QUALITY
kTV" A T 'nV" A XTr X Tt-% IL Tt" rs r-� ^^^^
AL RESOURCES
236
'A EX AN L)
'STEM
Conoco Oil Company
is hereby authorized to discharge treated wastewater from a groundwater remediation system
from a facility located at
former store 33070
4900 North Tryon Street
Charlotte
Mecklenburg County
to receiving waters designated as subbasin 30834 in the Catawba River Basin
in accordance with the effluent limitations, monitoring requirements, and other conditions set forth
in Parts 1, 11, 111 and IV of General Permit No. NCG51(?000 as attached.
This certificate of coverage shall become effective August 1, 1997.
is certificate or coverage shall remain in effect
Signed this day July 28, 1997.
Presti
for the duration of the General Permit.
:)n Howard, Jr., P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

rth-Carolina
'I.. "
V UR () N T�
NATUR
4.
V
peg
January 27, 1995
Ms. Milessa Tilford
Conoco, Inc.
Ponca Building P03028
I Officc,"M
600 No dairy Ashford
Houston, TX 77079
Subject: General Permit No. NCG510000
Conoco Store No. 33070
COC NCG510236
Mecklenburg County
Dear Ms. Tilford:
In accordance with your application for discharge permit received on November 8, 1994 we are
forwardingr herewith the subiect certificate of coverage to discharge under the hiecti state - NPDES
authoriiation to construct the jertritted system-, (2) a $150.00 processing fee, and (3) plans and
specifications in triplicate for the permitted system. Please reference the permit number NCG510236 in
any correspondence with this office.
If you have any questions concerning this permit, please contact Jeanette Powell of my staff at telephone
number [phone], extension 537.
Sincerely,
Original Signed 13y
03vid A GffiqV�ja
A. Preston 'Jr., P. E
crl:
40halron Tyndall, Law Engineering
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper

�
E
Or
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, Ai AL Ri x, 9
DIVISION OF ENVIRONMENTAL AGE
UNERAL PERMIT NO, NQQ5j&-Qffl
CERTIFICATE OF jMVERAGE NO. NC5102k"
TO DISCHARGE PETROLEUM L: CONTAMINATED GROUNDWATER AND SIMILAR WASTEWATERS
UNDERTHE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSIEM
xveyuxu4xuxxxs F'v",ku'6a` ""u a uwl`t, .0 vy cuv x�vx a .,.. Wxlua s xxvxx va.zxxxw uu xv xcxxxca ,wxuwxxe a vxxxxxxxssx xx, rxaxx v
Federal Water Pollution Control Act, as amended,
Conoco
is hereby authorized to construct and operate or continue operation of a groundwater treatment system consisting of
an oiltwater separator, an air stripping system and carbon filtration for petroleum contaminated groundwater or
similar waste streams with the discharge of treated wastewater from a facility located at
Conoco Store No. 33170
4900 North Tryon Street
Charlotte, NC
Mecklenburg County
to receiving waters designated as an unnamed tributary to Little Sugar Creek in the Catawba River Basin
in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts 1,11,111
d IV of General Permit No NCGS 10000 as attached.
This certificate of coverage shall become effective January 27,1995.
This Certificate of Coverage shall remain in effect for the duration of the General Permit.
Signed this day January 27,199.
Original Signed By
Pavia! A Goodrich
APreston Howard, Jr,, P.E., Director
Division of Environmental Management
By Authority of the Environmental Management Conintission

17
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EFFLUENT PATHWAY TO
UNNAMED TRIBUTARY OF
LITTIX SUGAR CREEK
REF:: U.S. .S. 7.5 MIN. TOPOGRAPHIC QUADRANGLES; z000
_.. 1.000 . _ 0
CHARLOTTE EAST, NORTH CAROLINA DATED 1967,
' ` PHOTORE I ED 1988. P SCAU IN

OC PRIORITY PROJECT: Yen o
If Yes, SOC No. —
To: Permits and Engineering Unit
Water Quality Section
Attention: Jeanette Powell
Tate: April; 19, 1995
AUTHORIZATION ON `f CONSTRUCT
NPD S PERMIT
REPORT AND RECOMMENDATIONS
County: Mecklenburg
Permit No. AC0510236
PART I - GENERAL INFORMATION
. Facility and Address: Groundwater Remediation Facility
Conoco, Inc.
`0 North Dairy Ashford
Houston, Texas 77079
2 mate of On -Site Investigation (if conducted): Last on -site
investigation was performed on December 2, 1994 by Kim H.
Colson.
. Report Prepared y: G. T. Chen
4. Persons Contacted and Telephone Number: None.
. verified' Discharge Points). List for all discharge points':
Latitude: 35' 15' 27" Longitude: 1' 47' 05"
Attach a U.S G.S. map extract .and indicate treatment facility
site and discharge paint on map. Ensure discharge point(s)
correspond to NP ES permitted discharge points.
USGS Quad No.: F 15 SE NSGS Quad Name: Derita, NC
. Site size and expansion area consistent with application?
Yes X No If No, explain..
. Topography relationship to flood plain included):
Relatively flat.. The site is not in a flood plain.
8. Location of nearest .welling: Approximately 100 feet from
the,, proposed site.

PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1.' Existing treatment facility
a. What is the current permitted capacity of the facility?
MGD* *No permitted capacity specified in the General
Permit.
b. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
(2) years: None.
C. What is the actual treatment capacity of the current
facility (design volume)? 0.0144 MGD
d. Please provide a description of existing or substantially
constructed wastewater treatment facilities: N/A.
2. Please provide a description of proposed wastewater treatment
facilities: The proposed project will include the
construction, installation, and startup of an air sparging and
vapor extraction system, and a groundwater pump and treatment
system.
3. Residuals handling and utilization/disposal scheme: N/A.
a. If residuals are being land applied, please specify DEM
Permit No.:
Residual Contractor:
Telephone No.:
b. Residuals stabilization: PSRP:
PFRP:
Other:
C. Landfill:
d. Other disposal/utilization scheme (specify):
4. Treatment plant classification (attach completed rating
sheet): Class I, see attached rating sheet.
5. SIC Code(s): 5541
Primary: 66 Secondary:
Main Treatment Unit Code: 56000
Authorization to Construct Staff Report
Version 10192
Page 2

,e Schedule dates: {Please
IONS
.zation to Construct for the
nediation facility located at
orth Carolina.
I 1� -I-
pplicant as requested.
SignatureCkf Report Preparer
Water Quality gional Supervisor
Date
Authorization to Construct Staff Report
Versi on 10192
Page 3

GROUNDWATER AND SOIL TREATMENT SYSTEMS
CONSTRUCTION SPECIFICATIONS
a
CONOCO CONVENIENCE STORE NO. 33070
CHARLOTTE (NORTH TRYON), NORTH CAROLINA
REVISION 1
Brown & Root Environmental Project Number MT93
was
March 199
Prepared by Approved by:
SE ESS
31
M. Todd Jones Greg a
Site Manager NC P.

FINAL
TABLE OF CONTENTS
P e
1.0 SUMMARY OF 'fit ORK............................................................................... -
1 1 SCOPE .......................................................................................... 1-1
1 DEFINITIONS... .. ..................... .........:........:'..,.......,............ 1-
1.3 ACRONY'MS.....-- ................ —.. .. 1-
3.5
MEASUREMENT AND PAYMENT .
3-2
4.4 DRILLING OPERATIONS... .................................. ........ — .................................
4-1
4:1
SCOPE ......................."...................... ....--- ........... .......... ...........
4-1
4.2
ABBREVIATIONS ....................:......... ..........................— ............:....
4-1
4.3
QUALITY STANDARDS.
4-1
4.4
MATERIALS .
4-2
4.4.1 Cement ............................ ..«.................. :... --- ......... ....... ».....
4-2
4.4.2 Bentonite......... ........ ....
4-2
4.4.3 Grout ..... .............«...,....... «........ ............ ..»:...«...........:.............
4-2
4.4.4 Filter Pack.................«............«>....,.................»......,................
4-
4.4.5 Well Riser Pipe . ....... .........«......... ...,:...,............ .......... ............ ..
4-2
4.4.6 Well Screens......«.,......«.......«................t......... »....,...............
4-3
4.5
EQUIPMENT, .............. .......... ........ ......
4.5.1 Drill Rig.«.:....,...» :............ .... :...... --- ........................,,......--
4-3
4.5.2 Equipment Supplies by Consulting Engineer, ............... ....... .........
4-3
4.6
FIELD ACTIVITIES............«« ...... .................. .--- ...... .... ............... .........
4-4
4.6.1 General .. ........ ...:.......... ..«..,.............................,...................
4-4
4.6.2 Cleaning of Well Components, Equipment, and Tools ....................
4-4
4.6.3 Drilling Operations .... ...:........:........... ____ ....... .......:»...,.,..,.....
4-5
4.6.4 Backfilling Abandoned Borings and Grouting Wells ..>....................
4-6
. .5 Drilling Permits and Completion Reports.. ......... ......... ....
4-6
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FINAL
TABLE OF CONTENTS
jigti-on
-PM
4.6.6 Installation of Wells...............................................................
-7
4.6.7 Site Cleanup .... ........................ .................... .............. .......... ..
4-8
4.7
SITE HEALTH AND SAFETY REQUIREMENTS .................. ......>..........,....
4-8
4. .1 Designation of Hazardous Waste Sites... ...................... __ ... ......
4-
4.7.2 Compliance with Health and Safety Requirements .
4-
4. 7.3 Certification of Compliance with Osha . . ............ . .......................
4-9
4.7.4 Health and Safety Plans .......... ....... ............ ...>.................. ........
4-9
4.8
MEASUREMENT AND PAYMENT :.............. ............ ....... .................... ......
4-9
6.0
EXCAVATION AND TRENCHING......................................................................
5-1
5.1
SCOPE
5-1
5.2
EXCAVATION ............. ........ ............ .......................... .......... ...'......,.......
5-1
5.3
OBSTRUCTIONS., .......................<...:.............,............................<..;.,...
5-1
5.4
TRENCH PIPING... ... ....... _ ....... ..........
5-1
5.5
BACICFILLING........'...........................................................................
5-2
5.6
SOIL DISPOSAL ........... ....... .....:.........
5-3
6.0
PIPELINE CONSTRUCTION .........::.................................
6-1
6.1
SCOPE `
6-1
6.2
MATERIALS ...........................
6-1
6.3
PIPELINE CONSTRUCTION...... . ..,
6-2
7.0
CONCRETE E.......................................................................................
7.1
7.1
SCOPE
7-1
7.2
MATERIALS......... ... ............ .................. ....... ...........
7.1
7.3
MIXING AND DELIVERY ... .......... .........,............ ............................... _...
-2
7.4
CURING; AND PROTECTION ..... ____ ...... .............. .......... ....... .... ..........
-
7.5
CONCRETE PLACEMENT ..< ..
7-2
8.0
EQUIPMENT ENCLOSURE .
8.1
8.1
SCOPE ...... ..................... _ ... '......_...... ............ ...,.............. ..,.......,.
.1
8.2
MATERIALS .
8.1
8.3
BUILDING INSTALLATION., ........ ............ __ ..... _ ..................................
8.1
9.0
SITE PRESERVATION, RESTORATION, AND CLEANUP.. .......................................
9-1
9.1
SCOPE ` ...
9-
9.2
SITE PRESERVATION..... ........... ............ ......
9-1
9.3
SITE RESTORATION AND CLEANUP .....................................................
-1
10.4
SYSTEM START-UP AND CONTRACT CLOSE-OUT ............................................
10-1
10.1
SCOPE .....................................................___ ........ ......____ ...
10.1
18.2
START -SIP AND TESTING..... .... ............. ......... .......... ....... .................... .
10-1
10.3
CLOSE-OUT PROCEDURES, ...................... :.................... ........ ............. .
10-1
10.4
FINAL CLEANING............:..............................................................»...
10-2

FINAL
TABLE OF CONTENTS
11.0 ELECTRICAL .. ..
11-1
11.1
SCOPE.»......................................................................»..»..........
11�1
11.2
REFERENCE DOCUMENTS .................................................................
1.1
11.3
GENERAL REQUIREMENTS. . ................................ ........... _ ..... _ ...... ... _
11-
11.4
CONSTRUCTION DRAWINGS .
1-
11.5
MISCELLANEOUS REQUIREMENTS . +p_
1-3
11.6
DETAILED REQUIREMENTS - MATERIALS AND INSTALLATION ».„........ ......
11-3
11. i.1 Grounding ..,.....:..»....:................................„....».,.......»...»....
1-3
11.6.2 Lighting and Power Services..................t...........»..».............,.
1-4
11.6.3 Conduit... .......... .................... ......... ............
11-
11. .4 Wall Penetrations ........:............ ... ..
1-6
11.6.5 Wire and Cable, Material and Installation .............................
11-7
11.6.6 Physical Barriers ......................................... ............ »............ .
11-8
11.6.7 Control Equipment and Systems .
1-8
11.6.8 Hazardous Locations Installations...> ........ ......
1-9
11.6.9 Testing . ......» .
11-16
12.0 EQUIPMENT PURCHASES ...........................................................................
-1
12.1
SCOPE ............. .:................................................ .......................
12-1
1.2
PHYSICAL LOCATION OF EQUIPMENT INSTALLATION, ........ .........
12-1
12.3
REFERENCE DOCUMENTS .
12-1
12.3.1'' Standards and Codes .
-1
1.4
GENERAL REQUIREMENTS, ............. ............ ......... .............. ....
12-2
12.5
DESIGN AND CONSTRUCTION DRAWINGS., ............. ........ ..... ...
12-3
1.6
EQUIPMENT ENCLOSURE .
12-3
12.7
SPAR vING SYSTEM................»....,..........,.......,,....................... ...........
-
12.7.1 Air Supply System....
12-4
12.7.2 Compressed Air Filter/Regulator ............. ..........:.. —......»,.....
12-4
12.7.3' Frame...............................».....................................»........
1-4
12.7.4 Intake Air Filter/Silencer., ........
12.7.5 Discharge Silencer . ..
12-5
12.7.6` Bypass Silencer. ..
12-5
12.7.7 Pressure Indicators
2.5
12.7.8 Pressure Relief Value............
12
12.7.9; Valves ...:.< ................:.........................
12-6
12.7.10 Check Value.......................................................................
12-6
12.7A1 Pipe_ ..... __.... ........ ......... ............. .................... ., ....,,».:......
12-6
12,8
VACUUM EXTRACTION SYSTEMS ... ..:........:................... ........ __...... .,..
1 -6
12.8.1° Vacuum Extraction Blower., ...... ...... __ ... ......... .......
12-6
12-8.2 Blower Motor._. .. ...... ...... ...... _ ........ ...... _ ...
12-6
12.8.3 Frame ..... :.......:.........<.............. ............. .,.....,,...,..:......,.:...».
-7
12.8.4 Moisture Separator ....... .......... .....:.....».......»...........
12,8.5 In -Line Air Filter ..................::...............:.........:........................
12.7
12.8.6' Air Bleed Silencer ....... ............................... .....:.......... ..............
12.8
12.8.7 Relief Valve.....»»......>,.,..........»............:.................................
1-8
12.8.8 Vacuum indicators. .......... ........ _ ........ ___ ......
12-8
12»8.9 Flow Totalizing Indicator ............... ............... ................... _ ...»
12.8
12.8.10 Condensate Pump.......;.,..<.......,.... » ......... ....................... ....... .
12-8
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iv

FINAL
12.8.11
Dispersion Stack +,aa.+++.......r a
12-
12p8e12
Vapor Phase Granular Activated Carbon
-9
12.8.13
Discharge Silencer aaa+............+++a.
12-
12a8.14
Hour Meter. +.
12-9
12.9
GROUNDWATER PUMP AND TREAT ......maw.aaya.a.aaay.....a+.e:
1-9
�..
12.9.1
Recovery Pumps:t.....xaay..........tawa+....saa+.a+a..a +a»t+:v +w aaaam.a r+xrt+at i+aaa+a
12-9
1 .9+2
Pump Air Valve+aw..aat.t.ara.+wra..tea.sass...pa.+aw.+pxa..+.»..a.aa+,:....raa..+a.+.+
12.10
12.9+3
Pump Internals .,:a...a.....at..........+aer.aaw,t+.a.asad.ea+.t+a..p+a:+......»aa....e
12-10
12.9.4
Pump Fluid Valves ,
1 -1 C
12. .5
Hoses x +
12-11
12a9.6`
Oil/Water+Separator a a
aae
12,11
12.9.7
Air Stripperea..+a..+ata...+e.asama,x.+..+++a,...aw++.ae......+.a.a.+++xa..»ataa++aa.+..p+
12-11
12+9.8-
Uquid Phase Carbon , +
12-12
12.10
ELECTRICAL/CONTROLS a
12-12
12.10.1
System Controls .... arr.r:at+a.t.+...a.t+t+a.w....at.aaaae.+....+ap,aaaaa..+t e
12-12
12.10.2
Service Disconnecta+a.t.a.t...,a.t....a+.a.+...ae+raa......... w+a+aa:...++.......a+
12-12
12.10.3
Hour Metersaaa...a.e..wa.:ax.r+.pa.++p+p.....aa--.aae..+a++,et+aw+a+.»a.+.....--
1 -13
12.11
MISCELLANEOUS + +
12-1
12.1 1A
Process Pipingata.... +a.a»aat .
a+xt
12-1
12.11 a2
Shop Drawings .......... ................. ...........+a++e.....p>++a.a+wx>++.a+»..a
12-13
12.11.3
O&M Manual .++t.t.. +++a
12-13
12.12
TESTING
m.aax:...,»x»+..e+a+++.a.+««xaar .a.a.a+.++taa.+».raa..p+.aaan........a++aa+..+...a+p,.....+
1 -14
D4739610
v

FINS.
1.0 SUMMARY OF WORK
1.1 SCOPE
The scope of this project includes construction, installation, and startup of an air sparging and vapor
extraction system and a groundwater pump and treat system. The major components of this
system are listed below:
SUPPLIED BY EQUIPMENT VENDOR
• Complete air supply system rated for continuous duty, including but not limited to filters,
silencers, air compressor, valves, carbon steel piping, pressure and temperature indicators,
and control panel;
• Complete vapor extraction► system, including but not limited to carbon adsorption units,
blowers, silencers, valves, carbon steel piping, moisture separator and tank, and pressure
and temperature indicators;
• Complete groundwater pump and treat system, including but not limited to recovery
pumps; low profile air stripper, oil/water separator, and granular activated carbon.
SUPPLIED BY CONTRACTOR
• Electrical wiring and plumbing;
• Well boxes and manholes, including valves, pipe fittings, and sample ports, as indicated on
the drawings;
• Trenching, piping, and providing connections between wells and treatment system;
• Equipment building, and base course of gravel,
0473 1t1 1.

llt�
ials to repair/replace wooden fence and Ian,
ther construction activity.
FINAL
overy wells;
ping encountered during
-ite.
or *Owner' - Conoco Inc., Post Office Box 4784, H
777
.t that
Ut UM i-Vilbuluilw r-11willrdul vVilluff tilfs %,ofludulor dwree5 to comply Wan.
• "Lower -tier Subcontractor" or "Subcontractor" - Any supplier, contractor, individual or
other entity employed by the Contractor.
• 'Sublet Work* or "Work" - shall mean all work and other requirements, expressed or
implied, necessary for the performance required of the Contractor by the Subcontract
Documents, including the technical specifications and plans.
• "Project", "Project Name" or "Jobsite" - shall mean the location where the Work is to be
performed.
04739610 1-2

FINAL
0 "Project Number* or "Job Number" - Is the number the Consulting Engineer has assigned
to the Jobsite.
# "Facility Number" - The number the governing authority has assigned to the Jobsite.
0 "Subcontract General Conditions* - The General Conditions of the Consulting Engineer
which must be agreed to by Contractors before any contractual relationship for sublet
work may be performed.
1.3 ACRONYMS
API - American Petroleum Institute
• ASME - American Society of Mechanical Engineers
• ASTM - American Society for Testing and Materials
NCDEHNR - North Carolina Department of Environmental Health and Natural Resources
• NCDOT - North Carolina Department of Transportation
• MCAPCO - Mecklenburg County Air Pollution Control Ordinance
• MCDEP - Mecklenburg County Department of Environmental Protection
• NEC - National Electrical Code
• NFPA - National Fire Protection Association
• OSHA - Occupational Safety and Health Administration
LIST - Underground Storage Tank
1.4 MATERIALS TO BE FURNISHED BY THE CONTRACTOR
The Contractor shall furnish all materials, labor, supplies, and equipment (in good working order and
repair) to complete this project. The Contractor will not procure equipment listed as Consulting
Engineer supplied. Items supplied by the Consulting Engineer will be delivered to the job site and
they become the Contractor's responsibility as soon as they are delivered or upon issuance of notice
to proceed, whichever is first. Items not specifically shown on the drawings or in the
specifications, but required for installation of shown items, shall be furnished and installed by the
Contractor,
D4739610 1-3

hNAL
1.5 ACCIDENT PREVENTION AND SAFETY MEASURES
-he Contractor shall comply with OSHA Part 1926, Construction Standards and Interpretations and
The Contractor is required to review and follow a site -specific safety and health plan prepared by
the Consulting Engineer. The plan shall address, as a minimum, the following items:
• A safety and health risk or hazard analysis for each site task and operation
• Employee training assignments to assure compliance with paragraph (e) of OSHA
Section 1910.120
• Personal protective equipment to be used by employees for each of the site tasks and
operations being conducted as required by the personal protective equipment (PPE)
program in paragraph (g)(5) of OSHA Section 1910.120
• Medical surveillance requirements in accordance with the program in paragraph (f) of
OSHA Section 1910.120
• Frequency and types of air monitoring, personnel monitoring, and environmental sampling
techniques and instrumentation to be used, including methods of maintenance and
calibration of monitoring and sampling equipment to be used
Site control measures in accordance with the site control program required in paragraph (d)
of OSHA Section 1910.120
An emergency response plan meeting the requirements of paragraph (1) of OSHA
Section 1910.120 for safe and effective responses to emergencies, including the
necessary PPE and other equipment
Pre -entry briefings and periodic on -site health and safety meetings
Compliance with OSHA 1926
D4739610 1-4

FINAL
1.6 SITE MAINTENANCE
i i•i • i "i
i
vater recovery system will be installed in s
invenience to sure operations. The store
( at all times. The site shall be free and
takers to prevent spillage when hauling is
Dntrector operations shall be immediately
excessive soil builds up on there. Paverr
red at least daily.
)r barricading,
for and shall repair any damage to such access routes beyond that which existed prier
construction.
. ' 1.7 SECURITY
The Contractor is responsible for security of construction sites to protect construction material
equipment, tools, and storage/office trailers, if a Contractor has to breach a building or securi
fence as part of this contract, then the Contractor shall take appropriate action to prevent entry
the facility through construction areas.
04739510

�INAL
.8 SPECIFICATIONS AND DRAWINGS
nything mentioned in the specifications and not shown on the drawings, or shown on the
ravings and not mentioned in the specifications, shall be of like effect as if shown or mentioned in
oth. In case of difference between drawings Wand specifications, the consulting engineer will be
)ntacted and differences will be resolved.
04739S10 1-6

FINAL
shall be at Contractors' expense and not reimbursable by Consulting Engineer or Owner.
Furthermore, Contractor, in availing himself of the use of any available utilities, assumes all risks,
ting Engineer and the Owr
I ---
to the
during
Site Owner on the following basis. Use of the below facilities shall be coordinated with
Iting Engineer's Site Project Manager.
`lectric Power - 230/460 VAC outlets
,QtAtig WAS - facility operations water supply
;51nft,4ry Facilities - facility operations provided to public
5, with Contractor's name printed on the vehicle.
VICES FURNISHED BY CONTRACTOR
replace or restore any damage to, or loss of, or interruption of, the following, but not firr
thereto, whenever such damage, loss or interruption is caused by Contractor.
a, Structures, work, equipment and materials owned by, or in the possession or us4
Owner, Consulting Engineer, Contractor, Subcontractor or other contractors,
b. Public and private utilities such as electric, gas, water, air, etc., whether permanen
temporary.
c. Roads, railroads, walks, fences, barricades, etc.
d. Vehicles and property of Owners customers, employees of Owner, Consulting Engin
Contractor, Subcontractor and other contractors.
e. Owner's petroleum dispensing facilities (including but not limited to: dispensers, tanks,
dispenser pipelines), electrical lines and equipment, water lines, waste water lines, st
sewers, telephone lines, etc.
04739610 1-7

FINAL
,onuting
t costs of
d as by
END OF SECTION
04739610 -S

FINAL
2.0 MOBILIZATION AND GENERAL SITE WORK
�.l SCOPE
bis work shall include obtaining permits and inspections, mobilizing equipment, supplies and
ersonnel, locating and protecting utilities, and providing traffic control.
:.2 CONSTRUCTION DRAWINGS AND PLANS
2.2.1 Construction drawings and plans will be prepared by the Consulting Engineer for the
Contractor for site construction and to obtain construction permits.
The following construction drawings are included as part of Appendix C:
Figure 1 :Cover Page
Figure 2:Site Plan
Figure 3.- Remedial System Layout
Figure 4: Air Sparging System Process Flow Diagram
Figure 5: Vapor Extraction System Process Flow Diagram
Figure 6: Groundwater Treatment System Piping and Instrumentation Diagram
Figure 7: Air Sparging Well
Figure 8: Vapor Extraction Well
Figure 9: Recovery/VES Well
Figure 10: Trench Details
Figure 11: Equipment Detail
Figure 12: Equipment Building Details
Figure 13: Electrical Details
2.2.2 Construction drawings and plans which are released to the Consulting Engineer may
be revised later or superseded by more detailed drawings and plans prepared by the
Consulting Engineer. New drawings and plans may be added for clarification or detail.
04739610 2-1

2.3 CONSTRU
2.3.1 Contrai
the Wo
2.3.2 If, in t
Consul,
IN SCHEDULE
NAL
I of
manpower, days of Work, hours of Work, to use additional equipment, or take such
other steps as may be necessary or required to ensure completion of the Work in
compliance with the Schedule, all without additional cost to the Consulting Engineer.
2.3.3 Contractor shall maintain and restore all underground utilities and sewers, etc. to be in
as good a condition as they were before any change due to Contractor's Work.
2.4 MOBILIZATION
2.4.1 The Contractor's work shall include transportation to and from the job site, cleaning
before the start of work on job site or after completion of the work on thei job site.
2.5 RECEIVING AND HANDLING OF EQUIPMENT ANC► MATERIAL
2.5.1 Contractor shall (1) receive, transport as required, unload, J2) store all materials in
adequate storage facilities provided by Contractor at locations assigned by the
Consulting Engineer, and (3) keep all equipment and materials safe from damage by
weather and vandalism. The Contractor accepts the liability for damage to all
equipment and materials in his custody.
2.5.2 The Contractor shall take specific measures to safeguard items in his custody from
the weather, vandalism, etc.
2.5.3 Location of stockpiles on Jobsite shall be approved by Consulting Engineer's Site
Project Manager.
D4739510 2-2

FINAL
The Contractor shall keep Consulting Engineer apprised as to the current status of
outstanding purchased materials.
Contractor shall provide adequate manpower and facilities to maintain effective
material control.
rRAFFIC CONTROL
vector shall provide traffic barricades, warning signs or other traffic control devices to
� construction workers and the owners customers and property, The Contractor will
END OF SECTION
047M10 2-3

FINAL
3.0 SITE CLEARING AND DEBRIS REMOVAL
3.1 SCOPE
The work shall consist of the removal and disposal of debris required for the construction of the air
sparging and vapor extraction system and the groundwater pump and treat system.
3.2 SITE OUT AND MARKING
3.2.1 Structures to be removed will be marked on site by the Consulting Engineer,
Structures to be preserved in place or salvaged will be designated in the field by
special markings.
3.2.2 The Contractor shall lay out and mark all trenches and other excavation locations. No
Iodations are observed by the Consulting Engineer.
3.3 SAW CUTTING
Saw cutting will be required on all paved areas. The location of all saw cutting shall be coordinated
with the Consulting Engineer.
3.4 DISPOSAL OF REFUSE MATERIAL
3.4. 1 It shall be the Contractor's responsibility to coordinate the Work in order to minimize
stockpiling of material on site. The location of any stockpiles shall be coordinated with the
Consulting Engineer.
3.4.2 Non-contarntLnled _jpiI - The top 6 to 8 inches of excavation may contain concrete,
asphalt and other debris which shall require off site disposal. The Contractor shall be
responsible for the disposal of this non -contaminated soil and debris along with any
unused non -contaminated soil from the trenching or drilling which is included in the
excavation work. The Contractor shall be responsible for any non -contaminated clean fill
which may be used as backfill. Non -contaminated clean fill means no rocks or clods larger
than 1 to 2 inches.
D4739610 3-1

is. As noted above, the
etement-of-delivery ticket
site.
velopent water will be
sposal manifests will be
ed of in a sanitary landfill
04739610 3-

FINAL
4.0 DRILLING OPERATIONS
I SCOPE
a scope of work consists of installing air sparging, vacuum extraction and groundwater recovery
ills as directed by the Consulting Engineer and as specified in the Plans. The drilling operations
all be performed by a licensed North Carolina drifter.
0
ABBREVIATIONS
'he abbreviations listed in this specification shall have the following meanings:
• ASTM American Society for Testing and Materials
• B&RE Brown and Root Environmental a Division of Brown & Root incorporated.
• CFOM Compendium of Field Operations Methods (USEPA, OSWER Directive No.
9355.0-14)
•CFR Code of Federal Regulations
DOT U.S. Department of Transportation
• OSHA Occupational Safety and Health Act
I QUAUTY STANDARDS
z —4— n+-4-4- —4
edition, at the time of request for quotation, shall apply. The applicable documents shall include, but
not be limited to:
• ASTM C-1 50 Specifications for Portland Cement
•ASTM D-653 Terms and Symbols Relating to Soil and Rock (for use with rocks only)
• ASTM D-2487 Test Method for Classification of Soils for Engineering Purposes
• CFO M Section 8
D4739610 4-1

MATERIALS
FINAL
III or hiah
strength (>4,000 psi) Type I or 11 cement shall be used for the construction of well pads located in
areas where truck traffic may occur. "Sakrete" type mixes are unsatisfactory for construction of
well pads located in areas where truck traffic may occur.
4.4.2 Bgrijonito
All bentonite, both powdered and pellet form, shall be a free -flowing, high -swelling, sodium -based,
Wyoming -type bentonite.
4.4.3 fiarom
Grout shall consist of materials specified herein and shall be mixed approximately in the following
proportions: 5.0 to 7.5 gallons of potable water and 3.0 to 5.0 pounds of powdered bentonite per
94 pound sack of Type I or 11 Portland Cement.
4.4.4 Filter PpSk
Filter pack sand shall have 100 percent by weight, pass a No. 20 or 30 U.S. Standard sieve, and
have no more than 5 percent pass a No. 50 U.S. Standard sieve. This sand shall be clean and have
a uniformity coefficient of 1.75 or less.
4.4.5 Well Riser Pioe
D4739510 4-2

FINAL
provided for each well. This cap shall
gLI ficreens
ng cap for all wells. A catalog cut of the riser pipe
approval prior to purchase.
`M D- 1785. The well screens shall be supplied in 5- and 1 0-foot lengths.
EQUIPMENT
QrlIj Rig
I Types of Drill Rigs
ter augers.
edition of Equipment
subsurface materials.
4.5.2 _Eg!Ai2men t p0djIgrvices Provided by the Consulting En l;Lineer
_
The Consulting Engineer will provide all sampling containers. The Consulting Engineer will also
provide locks for monitor wells,
The Consulting Engineer will survey the location of borings and monitor wells, measure water
depths, prepare boring logs and completion diagrams, maintain a log of field operation activities, and
perform requisite health and safety monitoring.
04739610 4-3

FINAL
�pAsf
4A
t
d1
4
TI
G
at
to
4
Tt
C
4.
Al
in
Of
C(
4.
Al
a
re
FIELD ACTIVITIES
G neral
raring Sequence
The Consulting Engineer or
n will be determined by the
i
9610 -

FINAL
VEHMMOT=
Unless required by the details shown on the drawings or otherwise: directed by the FOO, drilling in
scans shall be performed using the hollow -stem auger methodwith hollow stern augers which have
an inside diameter at least 1.5 inches greater than the outside diameter of the well riser pipe and
screen. Smaller diameter hollow stem augers may be used for sail borings that will not be
convertedto system wells. Drilling operations shall conform to the requirements of the provisions
provided below.
4.6.3.2 Boring Abandonment
Baring which cannot be drilled to the required depth, as determined by the Consulting Engineer shall
be abandoned. : Abandoned hales .shall be bacfilled with cementtbentonite grout as specified in
Section 4.6.4 and supplemented by another boring adjacent to the first.
4.6.3.3 Use of Casing
Where necessary to install a telescoped well, a permanent casing shall be grouted in place with a
grout mixture conforming to the requirements of Section 4.4.. If required to keep the boring open
and to complete monitor well installation, a temporary casing may be used. Temporary casing shall
be removed and cleaned for reuse after the permanent monitor well has been set.
4.6.3.4 Qriftno Fluids
Water, drilling fluids, additives for drilling fluids shall not be used Without authorization from the
Consulting Engineer.
D4739610 4

Grilled Cuttings
:d cuttings shall be stored at a location designated by the C
ing the site.
ated and the Consulting Engineer
>ulting Engineer.
Backfillino Abandoned Borinas and Croutino Well
W14114 t
FINAL
Mting Engineer. if the
onsite storage on plastic
.over+ed by the approved
°ects, the Contractor shall drum
site location designated by the
• • • • • •• m .. , :• •• :• •
1 25 feet in thickness.
i. Emm-iU And mpletion Reports
id total depth.
4-

FINAL
4.6.6 Installation of )LVSH&
4.6.6.1 Methods
Wells shall be installed in accordance with the well detail shown on the drawings, unless an
alternative installation and construction detail is approved in advance by the Consulting Engineer.
4.6.6.2 Sump and Cap
The sump section of the well shall rest at or near the bottom of the borehole as directed by the
Consulting Engineer with the screen located at the required depth. The sump shall have a bottom
cap.
4.6.6.3 Filter Pack Placement
The filter pack, consisting of sand as specified in Section 4.4.4, shall be poured into the annular
space between the riser pipe and the hollow -stem auger opening. Unless directed by the Consulting
Engineer, the filter pack shall extend at least 2 feet above the top of the screen.
4.6.6.4 Bentonite Seal
After the filter pack is placed, bentonite pellets, conforming to the requirements of Section 4.4.2,
shall be inserted into the annulus. The minimum thickness of the non -hydrated bentonite seal shall
be one 0.0) foot above the filter pack. In some shallow water -table conditions, the thickness of the
non -hydrated bentonite pellet layer may be reduced to a minimum of 4 inches to allow the
allow for a sufficient thickness of grout to properly seal the annular space. When the bentonite
pellets are in place, a sufficient volume of potable water shall be added to hydrate the pellets.
4.6.6.6 Grout Seal
The grout seal, conforming to Section 4.4.3, shall extend from the bentonite seal to within at least
6 inches of the ground surface (grade) and shall have a minimum thickness of 1.5 feet. A "Christy -
type" box (or approved equivalent) shall be set over the riser pipe and locking cap.
D4739510 4-7

FINAL
k6.6.6 Cementing
rom the monitor well.
illation, a well is considered inope
n
4.7.1 Desionation of Hazardous Wjjj
MENTS
11 drilling situ are ale;
evorker health and sae
uivalent) box shall be
vn on the drawings to
unsatisfactory by the
actor may request that
ear.
« ««
04739610
4_g

FINAL
4.7.2 Qg=jj#n!;g with Health and Safety Reo&qMj_nU
The Contractor < shall comply with all applicable requirements of 29 CFR 1910, and without
exception those requirements of 29 CFR 1910 pertaining to work at hazardous waste sites.
The Contractor's onsite personnel shall comply with direction from the Consulting Engineer
regarding site health and safety practices.
4.7.3 ClEfffigalign of Comoliance with OSHA
Prior to mobilization, the Contractor shall provide the Consulting Engineer with a letter or other
documentation certifying their compliance with 29 CFR 1910, as required by Section 4.7.2. This
certification shall include training, fit testing, and medical fitness to perform assigned tasks.
Consulting Engineer with copies of training certificates, results of fit to
ss statements.
wilh- and 9PLOARAIDA
for shall conform to the requirements of the Consulting Engineer's genera
after training on the site -specific health and safety plan, complete a field team review form for
retention by the Consulting Engineer.
4.8 MEASUREMENT AND PAYMENT
Payment for well installation and abandonment will be made for each foot of well installed or
abandoned for each well.
END OF SECTION
04739610 4-9

FINAL
5.0 EXCAVATION -TRENCHING
5.1 SCOPE
The scope of work shall consist of asphalt and concrete pavement cutting, removal and disposal;
shown on the drawings. Also included iin this work item is the disposal of non-
J soil excavated during installation,
(CAVATION
must be performed in accordance with OSHA 1926.65. Trench dimensions shall be as
local regulations.
I be constructed to the lines and grades shown on the drawings unless c
ie Consulting Engineer,
;TRUCTIONS
buried utilities, structures, etc.) shown on the drawings are for information
shall be responsible for locating and protecting all obstructions. The Contractor will immediately
repair or replace (at his cost) any obstruction that is disturbed during installation of the air sparging
and vapor extraction and groundwater pump and treat system.
5.4 TRENCH PIPING
The trench piping shall be installed as specified in Section 6.0.
D4739610 5-1

5.5 BACK.FiLLINC
the pipe bedding and pipe
the Contractor, if directed
kfill materials shall be sand,
The construction drawings
kfilled. Materials with high
a) Backfilling in Unpaved Areas
1. Backfill shall consist of uncontaminated material that is free of debris, organic material, and
rocks larger than 2-in. in diameter. Soil material excavated on site may be used as backfill
materiel provided it is not excessively contaminated C > 500 ppm Total Organic Vapor
(T ►VA)i as determined by the Consulting Engineer,
2. Backfill shall be placed in lifts, approximately -in, thick, and compacted.
3. Contractor shall not disturb or damage the pipe during backfilling operations.
4. Upon completion of trench backfilling, the Contractor will seed and mulch all disturbed
areas not covered with pea gravel. The Contractor will use the seed 'mixture and
application rates recommended by the local Agricultural Extension Service.
bl Backfilling in Paved Areas.
1. Backfill shall consist of granular material, crushed limestone, gravel or other suitable
pavement base material approvers by the Consulting Engineer.
2. Backfill shall be placed in lifts, approximately 6-in. thick and compacted with suitable tools
o prevent the concrete pavement from cracking or settling.; The Contractor will be
required to replace, at his expense, any concrete that cracks or creates a depression due
o settlement.
. Contractor shall not disturb or damage the pipe during backfilling operations .

FINAL
4. Pavement shall be repaired with concrete conforming to the specifications in Section 7.0.
Pavement repairs will be level with the existing pavement. Concrete that is cracked or not
properly finished will be replaced by the Contractor at his expense.
6.6 SOIL DISPOSAL
The Consulting Engineer will screen the excavated soil with a Flame Ionization Detector (FID). The
Contractor shall stockpile contaminated soil on site on 6 mil plastic sheeting (or approved
equivalent). The Contractor shall be responsible for stockpiling and disposing soil that is deemed
contaminated by the Consulting Engineer; however, the cost of disposal of contaminated soil is not
within the SOW of the work. If contaminated soil is found and stockpiled, the Contractor shall
obtain prior approval from the Consulting Engineer to dispose the soil. After approval by the client,
the Consulting Engineer will authorize in writing a Change Order for the additional cost of loading,
incineration unless otherwise approved by the Consulting Engineer.
END OF SECTION
D4739510 5-3

6.0 PIP
6.1 SCOPE
The scope of work for pipeline constructs
IIATERIALS
FINAL
E CONSTRUCTION
,lodes, but is not limited to, the folly wing-
ngs
., and valves
thread connections shall have thread lengths, < diameters, and configurations as prescribed by
ASTM D-2464.
Pipe shall have diameters and wall thicknesses as prescribed by ASTM D- 1785
LAggnets c Iggg shall have a minimum thickness of 0.005-in. with no less than a 50 gauge solid
aluminum foil core,
_Q1gtg vilIM shall be bronze, rated for not less than 125 psi, and suitable for use on all, water or
gas piping systems.
D4739610 6-1

along the centerline of the tree
�IN r
or 1/4-in, diameter PVC ball valves with hose barbs.
be 3/4-in. or 1/4-in. diameter and be furnished with a threaded cap for
UCTICN
be handled and stored in accordance with the manufacturer's'
)elow the ground surface
.2'

7.
7.1 SCOPE
FINAL
CONCRETE
It t-L-
installation of the treatment system. All work shall cont
and specifications:
7.2 MATERIALS
d
he drawings.
Dnform to ASTM C618, Class F. Class C fly Ash will not be permitted.
all be chloride free. iCalcium chloride is not acceptable. Use of admixtures shall
Iy the Consulting Engineer unless specified herein. Air -entraining admixtures sl
TM C260.
potable and shall conform to AT C94.
(Grading Size No. 67) or 1 " (Grading Size No. 57). Use only natural material for fine aggregates.
Stockpiles of natural or manufactured sand shall be allowed to drain to insure a relatively uniform
moisture content throughout the stockpile.
an shall be natural or manufactured sand meeting the requirements of ASTM C33.
Qg_ng[gj!g Curing Comogq_ng shall conform to the requirements of ASTM C309 and unless otherwise
approved shall be Type 1, Type 2, or Type 1-2.
Reinforcing %ggl shall conform to the requirements of ASTM A615, 60ksi yield grade billet steel
deformed bars, uncoated finish. I
04739610 7-1

Finish.
VG AND DELIVERY
iG AND PROTECTION
CINCRETE PLACEMENT
all have a minimum compressive strength of 3,000
END OF SECTION
7-
INAL
ISI/ASTM A185, plain type,; coiled
s at the site. .'
8 days. The Consulting;
nt of concrete.

8.0 EQUI
8.1 SCOPE
FINAL
RENT ENCLOSURE
MATERIALS
.jilding shall be constructed as specified in the drawings (Figure 12). All materials used in
wall (mounted at chest level) just as entrance is made.
8.3 BUILDING INSTALLATION
The building shall rest on a foundation of a 4"-6" base of 3/4" gravel. If necessary there shall be a
ramp built leading into► the building for ease of building access.
END OF SECTION
D4739510 8-1

FINAL
9.0 SITE PRESERVATION, RESTORATION, AND CLEANUP
9.1 SCOPE
The work shall consist of furnishing all labor, equipment, materials, and all operations for the
preservation of the construction site, including resurfacing and restoration of the site. The
Contractor shall ensure that the appearance of the site be returned to its original condition after
construction activities.
9.2 SITE PRESERVATION
9.2.1 The Contractor shall keep premises and vicinity of the Work clean of debris and
keep the premises clean and orderly,
9.2.2 The areas assigned for Contractor's use and areas in which he is doing construction
work shall be cleaned thoroughly at least weekly at the end of the last work day of
the week.
9.3 SITE RESTORATION AND CLEANUP
9.3.1 At completion of the Work, Contractor shall leave the premises and area of the Work
clean, in its original or better condition, and ready for use.
9.3.2 Unless otherwise instructed by the Consulting Engineer, Contractor shall remove from
the Jobsite, within one (1) week of final completion of the Work, all his buildings and
facilities, and their contents, at Contractor's expense.
9.3.3 Excavated materials shall be stockpiled in a manner that will cause the least damage
to grassed areas. All excavated materials shall be removed from grassed and planted
areas leaving these surfaces -in a condition equivalent to their original condition.
D4739610 9-1

aimbursed.
D47 9610
-

FINAL
10.0 SYSTEM START-UP AND CONTRACT CLOSE-OUT
10.1 SCOPE
The work shall consist of furnishing all labor, equipment, materials, and all operations for the start-
up of the treatment system(sl, including start-up, operation and testing of the treatment systemis)
and equipment installed by the Contractor.
10.2 START-UP AND TESTING
The Contractor shall, upon completion of the construction activities, conduct start-up testing of all
aged or inoperable equipment. The Contractor shall also, under direction frog
near or Consulting Engineer, conduct start-up testing of the treatment cyst
'E -OUT PROCEDURES
Contract Documents and ready for Consulting Engineer inspection,
1 O.2 The Contractor shall provide submittals to Consulting Engineer that are <requil
Contract Documents, governing or other authorities.
10.3.3 The Contractor shall submit final Application of Payment, identifying total ac
Contract Sum, previous payments, and sum remaining due.
D4739610

a : a
iWAL
10 4 FINAL CLEANING
10.4.1 The Contractor shall execute find cleaning prior to final inspection
10.4.2 The Contractor shall clean equipment and fixtures to a sanitary condition, touch up
paint, scratches and visible flaws as required,
10.4.3 The Contractor shall clean site, sweep and pressure wash paged areas, and rake clean
landscaped surfaces.
10. .4 The Contractor shall remove waste and surplus materials, rubbish, and construction'
facilities from the site. No soils or debris shall be removed until approved by the
Consulting Engineer. All soil and water bearing debris shall be placed in drums or on
impervious materials until properly tested for possible hazardous characteristics,
EN® OF SECTION
04739510 10-2

FINAL
1.1
The irate
11.0 ELECTRICAL
OPE
f this specification is to designate and describe the manner in which electrical
d materials are to be stored and installed. This specification supplements all electrical
is to be used as a guide for providing a complete electrical system.'
1.2 REFERENCE DOCUMENTS
1.2.1 and n_d
govern.
A.
National Electrical Cade
B.
National Electrical Safety Code
C.
National Eire Protection Association
Q.
State Building Codes
E.
Local Municipal Cosies and Ordinances
E.
Public Utility Regulations
G.
National Electrical Manufacturer's Association
H.
American National Standards Institute
1.
Institute of Electrical and Electronics Engineers
! J.
Insulated Power Cable Engineers Association
K.
Underwriters' Laboratories; Inc.
L.
Occupational Safety and Health Act
M.
Instrument Society of America
04739610
11-1

iINAL
GENERAL REQUIREMENTS
1.3.1 Where available, all electrical material and equipment
Laboratories, Factory ;Mutual or equal approval for the servi
shall bear their label or listing. Equipment and material not
Engineer.
11..2 It is the responsibility of the contractor to obtain a
building or construction permits.
tin
11.4 CON
Bl Piping and It
sizes. Lines
identified on t
11.4.2 Drawings whit
more detailed i
clarification or
11.4.3 The drawings ings
other. What is
between the di
passible for res
D47 961
AS
will be prepared by Brown &
or the installation, as neessar
aip ent locations.
ED.
olution.
11-
pay for ;any state or local
opr officials at the proper
nt'may require.`
t Engineers to delineate the

FINAL
MISCELLANEOUS REQUIREMENTS
1.5.1 All equipment and material shall be new and shall conform to the area classification.
1.5.2 Where particular types or brand names are specified, it is understood that there will be
not substitutions except with the prior approval of the Owner in writing.
11.5.3 Any deviations from the plans and specifications must have prior approval of the
Owner in writing.
11.6 DETAILED REQUIREMENTS - MATERIALS AND INSTALLATION
11.7.1 fir_qUW fin_q
11.6.1.1 A grounding electrode consisting of copper weld rod, 5/8-inch in diameter and eight
feet long shall be used at the service entrance panel as required by the NEC.
11.6.1.2 All grounding connections to equipment shall be compression and/or ring type.
Where bolted to equipment the contractor shall use external star washers to ensure
paint penetration and good connection.
11.6.1.3 All aboveground splices shall be compression type and taped.
surfaces shall be cleaned to remove all scales, rust, grease and dirt. Copper and
galvanized steel shall be cleaned to remove oxide before making connections.
11.6.1.5 Grounding connections to tanks and vessels shall be made to integral structural
supports or to specially provided grounding lugs or pads. Grounding connections
shall not be made to the body of the tank or vessel,
11.6.1.6 All raceway, cable rack or tray and conduit terminating at electrical equipment shall
be bonded together and permanently, grounded to the equipment ground bus.
Connection to conduit may be by grounding bushing or ground clamp. Excepted
from the above are conduits containing only control wire which enter the equipment
D4739SIO 11-3

FINAL
sheet metal enclosure and are there terminated with branding; bushing or hubs,
making an effective ground connection to the enclosure.
' Lighting in 'and Power Sgrvig2l
1.6.2.1 The Contractor shall be responsible for buying the panel, breakers, meter, meter
base, the service pole and knob insulators, if installation requires them. It is the
Contractor's responsibility to insure the service pole installed is adequate for 1 B'
r"%%JU V1
MEBCI '
area shall be used
11,6..3 If receptacles are
them outside of 1
area, then the rec
11..4 Panel boards shal
required by NEC
thermal protection
shall be so desigr
ripen.
"Tie -Bars" between breaker her
connections to mains. "Plug-in"
itacle must be a Crouse Hinds -
ae dead front, circuit breaker t
types are not permitted.
ontractor is required to locate
e conditions do not allow the
then only fixtures rated for the
hen the Contractor shall mount
must be located in a classified
•cote Twist type or equal:
a with lugs or main breaker as
� circuit breakers shall provide
D4 3a+sto 11-4

ray la
boards shall be furnished with a sel
with a P
alvaniaed. Fronts shall be of
hinged door with latch ant
i drawings.
issified areas. if Contractor rrr
+ith a panel rated for the area at the contractoes expense.
Transformers (if required)
ors shall be dry -type, sheet steel enclosed, ventilated, Class "B";, 60 rise, (below 3 1
"F" 115 C rise (3 KVA and above) with 2.5 FCBN taps, unless otherwise indicate
shall be suited for the area classification or environment they are installed.
116.3 riduit
11.6.3.1 Exposed conduit shall be hot -duped galvanized rigid steel, heavy wall o
trade size as required by NEC. All conduit shall be UL approved.
11.6.3.2 Liquid -tight flexible metal conduit shall have an oil resistant, liquid -tight PIA
combination with flexible metal reinforcing tubing and shall be designate
-INAL
sheet
fV4.M.
with waterproof fittings. An integral ground -path shall existing in size 1-1 f4" and
below.Flexible conduit or approved equal shall be approved for use in area
classification:
D47310 11-5

1.6.3.3 Conduit - Fittings and Boxes
boxes (internal volume less than 100 cu. in.), located indoc
yfflffilv�W
MMIA"EIKOTMMM
All underground con(
dipped galvanized si
otherwise specified.
11.6.4 Wall Penes _
Wall penetrations bet
avoided, then seals n
FINAL
-s in manufacturing areas or
is. Covers for boxes located
3tal, gasketed covers.
all be no less than those prescribed by National Electrical Code. Boxes shall
tion with screw -on gasketed covers. Screws shall be cadmium plated, brass
*xes and fitting shall be installed so that covers are easily removable.
fittings shall be installed as required to provide a complete installation meeting
icements of this specification, and to provide a neat, workmanlike job. Fitting
installed where possible with covers facing down so as not to allow the entry
. Pull fittings, including 90-degree elbow fittings, shall be of adequate size so
cable can be installed without bending it on a radius less than six times the
meter. Type LB or equivalent fittings shall not be used for high -voltage cable
olt cable larger than No. 4. Exposed threads of nipples shall be painted with
ile anti -corrosion paint after installation.
r ,iderground
tit shall be PVC and shall be buried to the depths specified in the NEC. Hot-
el elbows shall be used where conduit comes out of the ground unless
W"n
teen general purpose and classified areas should be avoided. If this cannot be
ist be installed within 18" of the area classification changes.
04739510 11-6

FINAL
ad for 125% motor full -load amps.
.ad for maximum voltage drop of 3.0% of equipment

FINAL
E) All wire shall be continuous, having no splices from terminal to terminal, unless
otherwise indicated on applicable drawings or except where splicing is accepted
common practice for lighting and receptacle circuits.
F) All wire and cable other than lighting branch circuits shall be identified at termination
and splice points and shall carry the same wire number of circuit number as shown on
the drawings. All wires and cables shall be identified with a permanent marker on
both ends.
G) Splices in power cables shall not be made without approval from engineering.
H) On all control wiring, wires shall be numbered in accordance with the wiring diagrams
or connection diagrams by use of Brady "Quick Labels" or other approved methods.
Color of wires or wire numbers shall conform with diagrams where noted.
1) All wiring in panel boards, cabinets, etc., shall be neatly formed, grouped and tied to
provide a neat and orderly appearance in the cabinet,
11.6.6 Special care shall be take to maintain a physical barrier and separation between
intrinsically safe and non -intrinsically safe circuits. See ISA Standard No. ANSI/ISA-
RP12.6-1987 for Installation of Intrinsically Safe Systems for Hazardous (Classified)
Locations.
11.6.7 9grilml Eglj_iglngnj and 5Xqlqm
__A
11 �6.7.1 Install and complete all electrical control systems associated with equipment being
installed and provided with power under the General Requirements paragraph 3. All
connections shall be made and equipment shall be ready to operate at time of
acceptance.
11.6.7.2 Placement of control panels, consoles, switchboards, control cubicles, etc., shall be
accomplished as indicated on applicable drawings. All units shall be properly
aligned, leveled and plumbed and shall be attached to floor or building structure as
indicated on applicable drawings. Manufacturer's installation instructions shall be
followed throughout.
D4739610 11-8

FINAL
11.6.7.3 Pressure switches, temperature switches, float switches and other mechanical -
electrical sensing devices will be mounted and wired complete. Photoelectric units,
proximity switches, etc., not requiring direct connection into mechanical or piping
system shalt be mounted and wired complete.
11.6.7.4 Control Equipment - Material
Equipment and material furnished shalt be as specified herein unless otherwise indicated on
applicable drawing.
A) All push buttons selector switches, indicating lights, etc., shall be heavy duty, "oil -
tight" type, designed for one -hole mounting in panel. Contacts shall have a minimum
continuous rating of 10 amps and a break rating of 1. 5 amps at 480 volts, 60 Hz. All
units shall be by same manufacturer and of same style, Units shall be manufactured
by Allen Bradley or equal.
B) All push-button enclosures shall be rated for their area classification:
NEMA 7 - Class I Division I
NEMA 8 - Class I Division I
NEMA 4 - Outdoors General Purpose
NEMA 1 - Indoors General Purpose
11.63.5 Each locally mounted control station shall have a 1/2" by 1-1/2* laminated (white
surface, black letter) engraved plastic nameplate carrying the equipment number,
panel number and circuit number of the device controlled and identification as space
permits. Each individually mounted starter shall have a similar 1" by 3* tag carrying
motor equipment number and function description as shown on applicable drawings.
11.6.8 Hazardous Location InstgagiM
11.6�8.1 All material, equipment and installation work done in hazardous locations shall be
strictly in accordance with Chapter 5 of the National Electrical Code and applicable
standards of the National Fire Protection Association for the Class, Group, and
Division (as defined in the National Electrical Code) of hazardous conditions indicated
herein or on applicable drawings,
D4739610 11-9

W requirements for installations in hazardous locations as described
Electrical Code and standards of the National Fire Protection Assoc
general application and is not necessarily suitable for hazardous
installations. See NFPA 497 for diagrams identifying area classifications.
11.6.9 Imt-ing
Megger testing of individual conductors will not be required unless the system does nol
correctly.
END OF SECTION
D4739610

FINAL
12.0 EQUIPMENT PURCHASES
EQUIPMENT SPECIFICATIONS & BID ITEM DESCRIPTIONS
AIR SPARGINGNAPOR EXTRACTION SYSTEM and GROUNDWATER PUMP AND TREAT
REMEDIAL. SYSTEM EQUIPMENT CONSTRUCTION
SECTION DESCRIPTION
12.1
SCOPE
12.2
PHYSICAL LOCATION OF EQUIPMENT INSTALLATION
12.3
REFERENCE DOCUMENTS
12.4
GENERAL REQUIREMENTS
12.5
DESIGN AND CONSTRUCTION DRAWINGS
12.6
EQUIPMENT AREA COMPOUND
12.7
SPARGING SYSTEM
12.8
VACUUM EXTRACTION SYSTEM
12.9
GROUNDWATER PUMP AND TREAT SYSTEM
12.10
ELECTRICAL 1 CONTROLS
12.11
MISCELLANEOUS REQUIREMENTS
12.12
TESTING
D4739 9 tD

FINAL.
12.0 EQUIPMENT PURCHASES
EQUIPMENT SPECIFICATIONS & BID ITEM DESCRIPTIONS
SVVS0 and GROUNDWATER PUMP AND TREAT REMEDIAL SYSTEM EQUIPMENT
CONSTRUCTION
12.1 SCOPE
The work shallconsist of furnishing all labor, equipment, materials, and all operations for the
construction of a skid -mounted vapor extraction, air sparging unit, and a groundwater pump and
treat system complete with the following components as shown` on the drawings or as indicated in
the following specifications.
12.2 PHYSICAL LOCATION OF EQUIPMENT INSTALLATION
Conoco Convenience Store No. 33070
4900 North Tryon Street
Charlotte, North Carolina
NCDEHNR Incident #651 B
Brown & Root Environmental Project No. MT93
12.3 REFERENCE DOCUMENTS
12.3.1 gtandgrds arld Codas
The treatment system; shall be installed and all equipment and materials shad be furnished in
accordance with applicable sections of the fallowing codes and standards. Issues that are current
at the date of this specification are the basis for this contract, Where requirements contained in the
specification are higher or more rigid than those in the codes and standards referred to, this
specification shall govern.
A. National Electrical Code
B. National Electrical Safety Cede
C. National Fire Protection Association
D. State Building Codes
E. Local Municipal Codes and Ordinances
D473961012-1

FINAL.
F. Public Utility Regulations
C. National Electrical Manufacturer's Association
H. American National Standards Institute
L Institute of Electrical and Electronics Engineers
1 Insulated Power er Cable Engineers Association
K. Underwriters' Laboratories, Inc.
L. Occupational Safety and Health Act
M. Instrument Society of America
12.4 GENERAL REQUIREMENTS
12.4.1 The work shall include the complete construction and delivery of a skid -mounted air
sparging and vapor extraction system and a Groundwater pump and treat treatment
system (sparging and extraction equipment shall be on separate skids, groundwater
treatment system shall not be skid -mounted). The skid mounted systems shall
enclose one sparging unit, one vacuum extraction unit, control systems, process
piping and other items as specified herein and as indicated on applicable drawings.
A vapor phase carbon module small be supplied as off gas treatment of the vapor
extraction unit. The groundwater pump and treat system shall consist of three l3l'
submersible groundwater recovery pumps, one oil/water separator, one air stripper,
transfer pump, two (2) granular activated carbon canisters, necessary control'
systems, process piping and other items as specified herein and as indicated on
applicable drawings.
12..2 All equipment and material shall be new, of good quality and shallconform to
industry standards and the area classification where the equipment is installed and
operated.
12.4.3 there particular types or brand names are specified, it is understood that there will
be no substitutions except with the prior written approval of Brawn & Root
Environmental. Equipment listed by name is for example and to establish material
and performance standards only. Other manufacturers' products may be substituted
if they are determined by Brown & Root Environmental to be equal or superior in
material and performance to the items listed.

FINAL
12.4.4 Any deviations from; the plans and specifications must have prier approval of Brown
Root Environmental in writing, Brown & Root Environmental reserves the right to
delete any portion of the equipment specifications from the scope of work, by
written notice
12.5 DESIGN AND CONSTRUCTION DRAWINGS
1..1. The following drawings will be prepared by Brawn & Root Environmental to delineate
the design and construction requirements for the skid mounted air sparging and
vapor extraction system and the groundwater pump and treat systems.
a: Remediation system and skid layout.
b: Air sparging process flow diagram.
c. Vacuum extraction process flow diagram.
d.' Groundwater pump and treat ;process flow diagram
12.5.2. Drawings which are released to the Equipment Supplier may be revised later or
superseded by more detailed drawings prepared by Brown & Root Environmental,
New drawings may be added for clarification or detail.
12..3. The drawings and the written portion of the specification are complementary to each
other. What is called for by one shall be as, binding as if called for by both. A'
conflict between the drawings and the specification will be referred to Brown & Root
Environmental as soon as possible for resolution.
12.6 EQUIPMENT ENCLOSURE (To be supplied by the subcontractor)
1216.1 Equip, ent Building
The equipment building shall be constructed as specified in Section B of this document. The
building shall be of dimensions 16'-0" by 4"-0" and contain all materials listed in Section 8 and
applicable drawings.
(NOTE. ALL CORRECTIVE ACTION SYSTEM EQUIPMENT SHALL BE 3 PHASE 208 VAC')
s tta 12-3

I I
FINAL
SPARGING SYSTEM
I Air Supply Syllem (Air CgrngrIgs
r compressor shall be of the oil -free type and rated for continuous duty. The air compressor
tave a 120 gallon horizontal receiver and be capable of supplying p_t 12gst 18 cfm at 24 psi
0
The air filt4
compressel
to regulate
pumps. T1
withstand :
wells so as
MR
The fi
frame
receiv
silene
disch,
reinfo
joint.
regmartmed Air Filter1E1Cg!Al;lfor
a some oil and water from the
rased air regulator shall be able
perate the pneumatic recovery
r and regulator shall be able to
in each of the nine (9) injection
acted air.
Framg
2
10 12-4

FINAL
12,74 lntakt% Air Filtar/Silancer
least 15 db. The silencer body shall be made of moisture resistant polyester cloth. Furnish Lwg
replacement filters with reorder identification numbers. tSolberg model FS-19P-125, spare
elements part number 19P, or approved equalJ.
Connection ---- Single
Housing .... Steel
Media .... Polyester
Efficiency ---- 99 % ( 8 to 10 micron particle size)
Filter Element ---- Replaceable
12.7.5 qjgqh;Irqg alftncer
the silencer and shall be heat resistant. Silencer shall be compatible with the listed blower.
12.7.6 ByRgIg gL1gnq#(
Bypass silencer sized to match flow rates. Unions shall be installed on the Inlet and outlet side of
the silencer and shall be heat resistant. Silencer shall be compatible with the listed blower.
12.7.7 Pressure Indi &gjgrs
A pressure indicator shall be installed on the discharge side of the compressor which will be used
for flow indication. A second pressure indicator shall be installed on the outlet side of the discharge
silencer. The indicator shall be an averaging pitot tube type with a differential pressure gage that
displays the appropriate range of operating pressures and shall be rated to an accuracy of ±3% of
the full scale. The pressure gage shall be calibrated appropriately for the design flow range and
shall be mounted near where the reading is to be made and within easy access for cleaning and
reading. fDwyer Instruments Inc., DS-200-2.5" flow sensor with Dwyer Series 4220 Capsuhelic
Pressure gage.).
04739610 12-5

FINAL
12.7.8 Pressure Relief Valve
The pressure relief valve shall be constructed with a cast iron housing. The valve shall be set at 15
prig. The minimum flow capacity shall be 150 SCFM, The valve shall have 2 inch mate NPT
fittings. (Kunkle Valve Co., Model 912, size I- 112-inch, set at IS psig or approved equal).
12.7.9 VAIMAI
Valves used on the unit to control flow shall be gate type with a non -rising stem,
12.7.10 Pbggk Value
Techno Corp., Technocheck Valve, size appreciate to the associated piping, and rated for 150 psi at
300* F (Techno Corporation, Techno model 5002-class D steel valve with silicone elastomers & 316
SS springs, or approved equal).
12.7.11 EiM
All piping and fittings shall be steel schedule 40 or black iron NPT joint. All piping which will be hot
to the touch while the system is in operation shall be fitted with pipe guards or other protectant for
safety of the operator.
12.8 VACUUM EXTRACTION SYSTEMS
12.8.1 Vacuum Extraction Blower
D4739S10 12-6

# p
clasi
belt
FILIAL
d for hazardous locations, glass i Group © - glass It Group F & G. Blower belt plus spare
11 be included. (Compatible with GAS ' REGENA1R blower specified above, Three ,phase,
10.0 explosion proof motor, 206 VAC or approved equal.)
12.8.3 From
The frame of the unit shall be constructed of carbon steel. All welds shall be ground smooth. The
r ._ .. _ c _ ,. _ as _ ..r . c.. e x., .. _ r.r x a s. t•..
pressure valve is t
I with a lifting hook for loading and unloading.
M&iIjUrg 912K tear
for maximum design flow rate of 300 cfm. The unit shall include an automatic shutoff control
shutting Gaff the system when high water level is detected. The moisture separator shall have a
minimum 30 gallon capacity. The moisture separator shall include a liquid level indicator or "sight
tube and high and low level sensors. (EG&G Rotron)
Separation Method Nigh Efficiency Cyclonic
Relief valves material Brass & Stainless Steel
Interior Epoxy Coated Steel
Float material Copper
Float switch SPDT, Explosion -proof NEMA 7&9, 5 Amp max.
12.8.5 In -Line Air Filter
In -line air filter with 2-inch female pipe thread, polyester replacement element included. Furnish two
replacement elements with reorder identification numbers. (GAST Blowers In -line filters, Model No.
AJ1;51F, spare elements part number Ate!1 5F, 10 micron.)
04739610 1 -

lim
A fl
oil/v
Mo
12.1
A ci
Sep
Sell
ele
_,.tee
low rates. pinions shall be installed on tt
resistant. Silencer shall be compatible'
I
I be of the vacuum type, sized to match)
8 or approved equal.)
Indicators
caber 07AN- J, or approved equal).
condensate Pump
112AB1.5C sell' priming centrifugal pump, or approved equal).
D4739 10 12-8'
1td near where the reading;
vacuum gages (2) shall be
-line air 'filter(within close
tube used with a differential
±3 6 of the full scale. The
age of the supplied blower.
r,r, " NPT 0- t 60 In H 7 or
air/water separator and the
traction isystem. (Fill -Rite,

FINAL
12.8.11 Disoersion_ $_Jp_q_k
Dispersion stack for exit vapors shall have a diameter of 3 inches, have a minimum 15-feet stack
length, and be made of steel schedule 40 or black iron NPT joint. A temperature indicator shall be
furnished and installed on the dispersion stack to read exit gas temperature.
12.8.12 Vaggr Eh_M Qrain ular Activated Carh9n
kept inside the equipment area. The module size shall be 72 -inch high, 46 - inch square and have
700 lbs of carbon capacity, 6 inch flange connections, and rated at a maximum flow of 400 cfm.
(TIGG Corporation, IV(XTOX DB, model number N400 D8, or approved equal)
12.8.13 Discharge $)�ner
Ditscharge silencer sized to match flow rates. Unions shall be installed on the inlet and outlet side
of the silencer and shall be heat resistant. Silencer shall be compatible with the listed blower.
Wniversal silencer, Model Ris-2 or approved equal.)
12.8.14 liggr Mete
r
An hour meter shall be supplied on the vacuum extraction system to provide a measure of keeping
track of system down -time. There will be no timer provided on the sparging system because the
sparge system will be interlocked with extraction system to allow the sparge system to be
shutdown when extraction system is down.
12.9 GROUNDWATER PUMP AND TREAT SYSTEM
12.9.1 Rgr ._oMgent Pumps
There shall be three (3) "controllerless" pneumatic submersible total fluids recovery pumps, The
pneumatic total fluids pumps shall be petroleum resistant and self actuating. The pumps shall be
capable of producing at least 1.5 gallons per minute (gpm) using 80 psi air and three (3) feet
submergence of the inlet. The pumping system shall be powered solely by compressed air (use air
compressor specified in air sparging section) with all controls located inside the pump, There, shall
be no timers, bubblers or air valves external to the pump needed to operate the pump. The pump
D4739510 12-9

I
Fit
D4739610 12-10

FINAL
12.9x6 —HSM
All hoses supplied with the system shall be of industrial grade. All hoses shall be color coded and
equipped with non -interchangeable brass quick disconnect fittings. The hose shall equal or surpass
GOODYEAR INSTAGRIP 1.
12.9.6 Qit $&pArgjor
The oil/water separator shall be capable of handling at least 10 9prn. The separator shall be
constructed of 12 gauge epoxy coated steel. The separator shall be set up on blocks, during field
ed equivalent),
MOM
I be able to accept a flow rate of 10 gpm from the oil/water separ
significantly reduce MTBE concentrations.
iris i s en Estimated Influent_ ggnggntration
s
Benzene 400,000 4g/l
Toluene 860,000 Rg/l
Ethylbenzene 91,000 gg/I
Xylenes 530,000 jigA
MTBE 10,000 4g/l
The above referenced concentrations were used to etermi►e estimated emissions from the air
stripper and were taken from monitoring wells and assumed to be representative of concentrations
D4739510 12-11

I
FINAL
when spe(
emissions
air strippei
exhaust sti
surface. ill
approved4
12.9.8
Two GAC
inside the
carbon cap
GAC shall
Corporatidi
12.10
12.10.1
Furnish an4
contain NE
be constru
service oul
Li id 'ha sA gArbon
ELECTRICAL / CONTROLS
.$yj,jqjn Controls
35-inch high, 175 lbs of
rium flow of 12 cfm, The
cam -lock fittings, MGG
id. The control panel shall
h. The control panel shall
provide 208 VAC, three phase power.
12.10.2. $Arvigg DilqQan _Vct
Main service disconnect shall be connectable to both temporary and permanent pc
Furnish and install conduit from the main service disconnect to floor level.
04739610 12-12

w
FINAL
12 10.3 11gur Mil9ta
Non-resettable elapsed time indicators which will register elapsed time up to 99999.9 hours. Hour
meters are to be connected to all major electrical motors as an Integral part of the treatment system,
excluding any ventilation Faris and condensate pumps. The input voltage of 120V, 6OHz, with
permanent magnet motor for accuracy, ± SOmsec per start stop, '1 0 when running at normal
frequency. Large, easy -to -react numbers, made of high impact housing, continuous' duty cycle.
(Cramer model 63 K or approved equal).
12.11.1 Prodess Pining
Equipment supplier shall furnish all labor, supplies and materials to install process piping.
12.11.2 ghgp.` 12—rawings
• i i ..i ' : . i i • •. • "` i i M i , N. i . i. : i • • is " t: ', •
"i... i .. i" ,.• ii »i i i , .. .. , i.'. ,... .: •" • "• i w.:i s, sii..:
i i i .: i • :.. • is " ! a i * i. ' i i i i .: ;:. .: « • i M
D4739S10 12-1

ate until a comprehensive O&M manual has been provided for gl piec,
squipment vendor shall furnish four copies of the O&M Manual for the sul
G
electrical system components shall be functionally tested after all treat
tern wiring is complete. All mechanical items shall be tested at the des
W flow after the complete treatment system has been assembled and install
equipment compound area. Brown & Root Environmental shall be notiff
ip testing time, and may attend to observe and inspect equipment being sup
afore equipment is released for shipment.
END OF SECTION
D4739510 12-14

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011
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'�- CHARLOTTE. N. .. MONITORING WELL AND SOIL
MW7 sr S885 - CANOPY ORING LOCATIONS ALSO PROVIDED BY LAW
KEROSENE t � B3 S84 � �— �`~�� ENVIRONMENTAL.
WOODS TANK �
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FIGURE 2
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v SUPPL a CONSTRUCT I [IN PLANS
O'STR BtJT0 1t ER
r �,�� �� CCNaCCi STORE NO. 3:070
CHARLOTTE t N.TRYON i . NORTH CAR© NA
°* .** o, Brown & Root Environmental CONOCO INC.
SCALCAS SHOWN DAM3-29
a A# DRAMihk N O. REV. SHE
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EQUIPMENT
AREA
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rn
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BASED ON MAP PROVIDED BY LAW ENN
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BORING LOCATIONS ALSO PROVIDED E
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1 1110 1 WIN 11
ifilill
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AIR SPARGING WELL OASI
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SCALE IN FEET
FIGUR 3
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Tint III IN 11011
REMEDIAL SYSTEM LAYOUT
MIST
CONSTRUCTION PLANS
IRONMENTAL.
CONOCO STORE NO. 33070
CHARLOTTE
AND SOIL
(N. TRYON), NORTH CAROL IN
Y LAW
Ise. Mo.
Brown & ronmental
Root Envj
CONOCO INC.
70
SCALE "it
AS SHOWN I 3-29-95
NOW
Ph& I
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m T9 3 A002. dgn 0 VIO� 1 & I

OPINION III I
POWER SUPPLY
INTERLOCK W/ VAPOR
EXTRACTION SLOWER TO CEASE
OPERATION IN THE EVENT
OF NICK LEVEL, HIGH/LOW PRESSURE.
AND/OR OVER14EATINO
.......... *­­­2 ...................
TEMPERATURE SENSOR AIR INTAKE
IN —LINE OIL INTERLOCK
COALESCING/
PARTICULATE
FILTER PRESSURE SENSOR
INTERLOCK
PRESSURE CAGE
Z# BALL VALVE
PRESSURE RELIEF VALVE
WELL CAP--,.VIN—TINE PRESSURE
GAUGE AND AIR 2' GAL 2* GAL 2' SCH 40 PVC
REGULATOR IN —LINE
OIL —LESS AIR AIR FILTER
AIR SUPPLY COMPRESSOR (10 hP) PRIS IRE
LO
S C E I'SOR
VALVE
PRESSURE
AIR IV 4OAL 2- S=40 PVC
TOR tN—LINE
LINE WITHIN
4' SC14 40 PVC
00 CONDUIT
AIR SPARGING WELL
(TYPICAL OF 9)
F I PURE 4
YITL DRAIN J.W AI MOM SYSTEM'
CNDPROCESS FLOW DIAGRAM
4MOGIST N
0"
CONSTRUCTION PLANS
CC21 CONOCO STORE NO- 33070
CHARLOTTE (N. TRYON), NORTH CAROLINA
Brown & Root Environmental CONOC 1 INC
Oise. 40.
$ME
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Mo. NOT TO SACLE 3-29-95
40 BARING ems. MT93AO11.dgn fWV. 0 SHEET 1 OF I
W1 11 l11 op 111000 1 Ili NOW— LN III
INTERLOCK W/ AIR
INJECTION SLOWER To CEASE
OPERATION IN THE EVENT
OF VAPOR EXTRACTION SLOWER SHUTDOWN POWER SUPPLY
................ ...... ............... ......... ....... ........ ...... .............
.................
TEMPERATURE SENSOR
INTERLOCK
INTERLOCK Woo HIGH PRESSURE SENSOR
VACUUM DADE ................... ...... LEVEL SWITCH IN INTERLOCK
AIR/VATER SEPARATOR
VS STACK
HIGH LEVEL SWITCH
2' GLOSE VALVE
TEMPERATURE CAGES
WELL CAP
......... SAMPLE
40 21 SCH 40 PVC1111i PORT
-*1-4t VACUUM CAGE SAMPLE
SAMPLE PORT
PORT
2* SCH 40 it/LEVIPVC pm T
EL
CONTROLS
0� VAPOR PHASES*E T
2
AIR/WATER SEPARATOR OAC UNIT Im,—LIME REOENERATtVE
f'
R AIR FILTER SLOWER
oo 0
ol IN VALVE
'o
VACUUM RELIEF VALVE
L TO GROUNDWATER TREATMENT SYSTEM
OIL/WATER SEPARATOR
VAPOR EXTRACTION WELL
(TYPICAL OF 9)
out" E 5
FIGUR
VAPOR EXTR
Elm Ting ET I ON SYST
PROCESS FLOW DI A IRA
CONSTRUCTION PLANS
CONOCO STORE NO. 33070
11 Brown 4w�) CHARLOTTE (N. TRYON). NORTH CAROL INA
OI C.& Root Environmental I .CON9 CO NC.
NOT TO SACLE SATE 3-29-95
MT93AO08.dgn ftv- 0 1 $WIT OF

NMI
AIR VENT
TOOL
PANEL
PIR`EESSS REL�S.WI H i
• HIGH —HIGH LEVEL SWITCH
STOPS WELL PUMPS VAPOR PHASE
o * HIGH AND LOW
, LEVEL SWITCHES TREATMEENT
START *NO STIR' SUW PUMP
AIR
COMPRESSOR DISCHARGE TOSP AIR VENT
IIAV I TY TRANSFER STORM SEWER
P 111
OILLOW
/WATER
RW—I 1.5 IQ SEPARATOR .. ,�.
LOW PROFILE SUMP
W SCH 4G PVC PROtiO )A STRIPPE TA ##
STORkOr TA 1
AL DRAIN
♦I �! A
SOLIDS REMOVAL ((
1 2" SCH OG PVC {" SCH 40 PVC
P PI
F AIR VAPOR
SP SP SP
EXTRACTION
PNEUMATIC AIR/WATER SEPARATOR
RECOVERY WELL
II OF i
LIOUIO PHASE
LEGEND GAC UNITS
RICH LEVEL SWITCH CHECK VALVE
RICH—RICH%LEVEL SWITCH BALL VALVE
LOW LEVEL SWITCH NEEDLE VALVE
PRESSURE SWITCH GLOK VALVE
PRESSURE INOICATOR
PRESSM
RELIEF VALVE
FLOW TOTALIZER
W/INDICATOR
SOLENOID VALVE
AIR SLOWER ` I G1lRE 6
Suva PUMP s
+�HECKED Ate, TITLE GROUNDWATER TREATMENT SYSTEM
�l� �'
. PIPING AND INSTRUMENTATION DIAGRAM
EAL 000LOGIST CONSTRUCTION PLANS
TURBINE *TER � IRE C lNOCO STORE NO. 33070
CHARLOTTE (N. TRYON).'NORTH CAROLINA
DISC. MAN. Brown & Root Environmental CONOCO, INC.
MAN.CIE NOT TO SCALE DATE 3-30--'
T rlr Nil. MT93AOO9 d9n REV. T 1

18" SQUARE (MIN.)
18" SOUARE (MIN.
SAMPLE PORT STEEL DR I VEOER BOX
W/ HOSE BARB (12 x 1 ") HOSE BARB STEEL DRIVEO ER BOX
SAMPLE PORT (12M x 120)
AIR PRESSURE
REGULATOR
CONCRETE 2" GLOBE VALVE
VWTw CONCRETE
w�C w � w �:. �� ♦ 8 F. w* 9 r. * ,� .9 i w r & ,.
A w iLi aw • * w . * w •
* r w
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. r
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w w A
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2" SCH 40 PVC
w P r p
CONNECTED TO *"" w 2" S H 40 PVC
AIR SPARGING * . . wow �* w ." * * .t4 . *� CONNECTED TO .
HEADER
w VAPOR EXTRACTION ` °
• ° . * HEADER
NEAT CEMENT GROUT
NEAT CEMENT GROUT
1" SCHEDULE 40 PVC
* SOLID RISER . 2" SCHEDULE 40 PVC
w SOLID RISER
STATIC 'WATER TABLE
0
BENTONITE PELLET LAYER
BENTONITE PELLET LAYER
{ 1' THICK )
FLUSH THREADED JOINT(S)
FLUSH THREADED JOINT(S)
6" BOREHOLE I" SCHEDULE 40 PVC SCREEN
0.010" HORIZONTAL SLOT
6" BOREHOLE 2" SCHEDULE 40 PVC SCREEN
0 IS' LENGTH OF SCREEN? 0*010" HORIZONTAL SLOT
x
(10' LENGTH OF SCREEN)
eat v
CLEAN QUARTWoi.
CLEAN QUARTZ SAND
cz,
* 36' BLS r
. j
� � � � a
411
7' TOTAL DEPTH r.r 1 7' BLS g
TOTAL DEPTH
)� APPROX. SEASONAL. HIGH WATER TABLE
FIGURE
era AIR SPARG NG WELL M �TIT!E
M
c a:csats� CONSTRUCTION PLANS VAPOR EXTRACTION WELL
r�cc� a�tsr CONSTRUCTIONEXT PL
ANS
CCiNCCC� STORE NIA* 3347C) rr+csra� �,
CHARLOTTE (N. TRYCIN) * NORTH CAR ►L I NA � CONO O TORE NO. 33070
n►sc.
Brawn & Roca Environmental CONOCO INC. 09& CHARLOTTE (N. TR ON );, NORTH CARO IN
Brown& Root Environment
, -,I NETT TO SCALE Harr 3-30--9 as xcu.a NOT i TO SCALE' aav� 3 30 -95
aaxwtrG #4' M '93A006. d to are C T

18" SQUARE (MIN.)%
SAMPLE PORT
STEEL DRIVEOVER BMX
W/ HOSE BARB
(12 0 x 120)
2" BALL VALVE'
- CONCRETE
1 "/FT.
* a
*.
.A *. 0 AIR'
.0*.09*«° SUPPLY LINE
2, SCH 40 PVC
CONNECTED TO ° "
"
TOTAL FLUIDS
' ° • "
VAPOR EXTRACTION " " � ` �' �. � .� •
* RECOVERY LINE
� �* � *#� " ° "'
HEADER
**
NEAP' CEMENT GROUT
* " 4" SCHEDULE 40 PVC
* * SOLID RISER
BENTONITE PELLET LAYER
W THICK MIN.)
6' BLS
FLUSH THREADED JOINT(S)
WATER TABLE
19 BLS
PNEUMATIC PUMP
10" BOREHOLE
4" SCHEDULE 40 PVC SCREEN
0.010" HORIZONTAL SLOT
(5Q' LONG)
x"x$BA#
*
CLEAN QUARTZ SAND
x
*
x
56' TOTAL DEPTH
"***.
7' TOTAL DEPTH
Tf
RECOVERMES WELL
«'
CONSTRUCTION PLANS
- v
CONOCO STORE NO. 33070
CHARLOTTE (N. TRY ), NORTH CAROL INA
Brawn & Root Environmental
CONOCO .INC.
01.:. e
$cA" NOT TO SCALE "n 3 30 95,
MT93AO 5 • dgn Y:. 0 f 1 1

EXISTING
PAVEMENT
EXISTING
SAWCUT EXIST. PVMT. (WHERE NEEDED)_______,,. GROUND SURFACE
PR I t R TO EXCAVATION
MATCH EXISTING GROUND OR GRADE MATCH EXISTING GROUND
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GRAVEc
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t-
TITLE
w
GEOLOGIST
of
tPtti
ai * HARL(
tSC. MAN. Brawn & Rot Environmental
rt*Mwi, C
tMAWING NO,
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pyarl�"1
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1

ANCHOR A 1 OF 4 )
• -0
RECOVERED PRODUCT STI RAGE TANK
�!" ON/OFF SWITCH E I STARTER SAMPLE PORT
FOR TRANSFER"BLOWER PRESSURE
_ toPUMP SWITCHES
E2 AIR BL R
AIR EXHAUST '" VENT STACK
VAPOR
PHASE
OIL/WATER G. A. C.
BUSHING SEPARATOR CANISTER
*X2' -T
r
'41—
BUSH If G r
E S I TRANSFER
4—TRAY PUMP
AIR '
STRIPPER,
CONTROL PANEL
2" PVC RECIRCULATION PIPE 2" PVC
UTILITY IT BOX IILVLLE �
PRESSURE GAUGE
MOISTURE 1-'4" SAMPLE SPIGOT
SEPARATOR
i1 3061K vw or � � r � 4 FILTER 1" FLEXIBLE HOSE
l tOUID
e OWER All PRESSURE
PHASE PHASE
Eke III : �*e: "s .".�' �....�
G.A.C. A
AIR COMPRESSOR, 1 ANP 2"` 1 euHlwc CANISTER CANISTER;
2" PVC PIPE N{�. 1
�"" P FLEX E 1/ I'll
PR SEI? UTILITY POLE -�- I,,,O« I'-. F1s" SAWL PICOT
FAIN, MIN, 2" PVC DISCHARGE PE -- � � � „ . _ ..� � � _ .
ONE-WAY FLAP TYPE
CHECK VALVE 2" HERSE
FLOW METER
2" ME NE FLOW CONTROL
" UB' JOINTS VALVE
24` 0
TREATMENT SYSTEM EQUIPMENT LAYOUT
FIGURE- 11
wrA
.IrL
tWECKED .. E+ U PMENT LAYOUT
.. E AFGLSi ONSTRU T I ON PLANS
CONOCO STORE NO. 33070
CHARLOTTE (N. TRYC N) « NORTH CAROL INA
IsC, VM. Brown & Root Environmental Ci NOC I INC.
4 �� ACE NOT TO SCALE , -31 5
a1� ik�AMLN MT3At03fgCt REV. ET 1 1

,+ PRESSURE TREATED
TONGUE 8 GROOVE SHEATHING
2xfio PRESSURE TREATED
FLOOR JOISTS
12" O.C. 6x6" PRESSURE 'TREATED
_LLOO EL. VAT I 4' - " O..,.
4x$'x3 4" EXTERIOR
SHEATHING
24" RAFTERS x4" RIDGE
24" O.C.
RIDGE VENT
ASPHALT
SHINGLES
ASPHALT SHINGLES 2
12x12" 3
VENT FAN
1 D1-0 11
HURRICANE HEAVY DUTY HASP W/
HINGE PADLOCK
WEATHER RESISTANT SIDINGD STRAPS (TYP.i
(ALL 4 CORNERS)
1`x 3° VENT
t TYP. i
2x4" WALISTUDS 16" t}U1
4" OF' >,4" GRAVEL 2 , —D"
3" 'x 4` SOIL SCREW
I
ROOF AND EXTERIOR ELEVATIONS t TYP.
24
FIGURE 12
f TITLE
ms NE EQUIPMENT BUILDING DING DETAILS
CONSTRUCTION PLANS
G U Ci STORE NO. 33070
�z 02D
CHARLOTTE (N TRYIN). NORTH CARCIIINA
4 0 4 �� Brawn & Root 'Environmental CONOCO INC.
SCALE IN FEET
OWN � apt aa�t a
a s+0 MT93Ate1 .d r t
1 1

/D ` N-2 rr
3
CONDUITS A,B,G,D
AND E TO
E U I PMENT
8 r X ;8 rr
COPPERCLAD
GROUND ROD
ELECTRICAL SCHEDULE
CONDUIT SIZE
SERVES
MIRING BREAKER
10 HP AIR
3-48 THHN
AIR COMPRESSOR
1-1 THHN ( GROUND ) 7ti A POLE
B ,
a HP SOIL
THHN
VENTING BLOWER
-- THHN (GROUND) 70 AMP-3 POE
S E POLE
A,
2
P AIR
2 THHN
DIRECTED BY LOCAL
STRIPPER
1 1 THHN (GROUND) 25 AMP-3 POLE
CODES AND
LOCAL , rr
1-5 HP TRANSFER
12 THHN
POWER COMPANY
PUMP1-�12
1 A _3 PLOE
THHN ( GROUND )
E `
120 VAC
OUTLET G IC
1 12 THHN
1-12# THHN (GROUND) 15 AMP-1 POLE
1-12# THHN (WIRING)
NOTES.
(D 200 AMP METEP BASE WITH 200 AMP, NEMA 3R.
LOCKABLE BREAKER PANEL.
MOUNT W ATHERHEAD AT HEIGHT DIRECTED BY
THE ELECTRIC UTILITY CO. PROVIDE SERVICE
ENTRANCE TO MATCH SERVICE DISC.. SIZE WITH
5'-0" EXTRA WIRE LENGTH FOR UTILITY CO.
CONNECTION.
DOWN GUY. ANCHOR AND GUY GUARD. LIGHT DUTY,
(1j UTILITY CO. SERVICE DROP. COORDINATE SERVICE WORK
WITH UTILITY CO. REOUIREMENTS.
#4 BARE COPPER GROUND -EXTEND UP POLE TO
UTILITY CO. SYSTEM GROUND.
(1) CONNECT #4 GROUNDING CONDUCTOR TO
BLOWER FRAMES.
GROUND
A�
EMBED
AS DIRECTED BY
LOCAL
CODES AND
LOCAL
POWER COMPANY
FIGURE 13
MONO
..
` _ P CNECKE0
TITLE
ELECTRICAL DETAILS
CM OCI T
130
91D
CONSTRUCTION PLATS
CONOCO STORE NO. 33070
Brawn tic Root Environmental
CHARLOTTE IN. RYONI. NORTH CAROLINA
CONOCO
I Etd LOCATE
# . DISC.
INC.
NOT TO SCALE
AS SHOWN DATE 3--31-5
,,,
MT93AC?12. C1 f1 ` v T
9 . O 1 1

SOC Priority Project: Yes No
If Yes, S C No.
To: Permits and Engineering Unit
Water Quality Section
Attention Jeanette Powell
Date: December 2, 199+
NPDES STAFF REPORT AND RECOMMENDATION
County: Mecklenburg
Permit No. :NCG51023
PART I - GENERAL INFORMATION
1.. Facility and Address. Conoco Sure #3 07ti
Groundwater Remediation
Conoco, Tnc. - Remediati n Tech.
Ponca Bldg., P03028
600 North Dairy Ashford
Houston, Texas 77079
. Date of Investigation: December 2, 1994
3. Report Prepared y: Kim H. Colson, Environmental Engineer T
4 Persons Contacted and Telephone Number: N/A
5. Directions to Site: From the intersection of Sugar Creek Road
and North Tryon Street in the City of Charlotte, travel east
on North Tryon Street approximately 0.6 mile. The Conoco
store is located on the right side of the road.
6. Discharge Point(s), List for all discharge pointsm
Latitude: 350 15' 27" Longitude: E1' 7' 05"
Attach a USES map extract and indicate treatment facility site
and discharge point on map.
U.S.G.S, Quad No.: F15SE U.S.G.S Quad Name: Deri.ta, IBC
7. Site size and expansion area consistent with application?
>.A
8. Topography relationship to flood Main included)* Flat
.slopes*, the site is not located within the 100 year flood
plain.
9. Location of nearest dwelling: One dwellings is located within
100 feet: of the site.
10. Receiving stream or affected surface waters. UT to Little
Sugar Creek
a. Classification:

F,
)4.1kLAW
ENGINEERING AND ENVIRONMENTAL SERVICES
rich
oES Permits Group
)epartment ofEnvironment, Health
sources - Division of Environmental
P.O. Box 29535
Raleigh, North Carolina 27626-0535
Subject: Notice of Intent for Effluent Discharge -
DES General Permit No. NCG510000
Conoco Store No. 33070
00 North Tryon Street
Charlotte, North Carlin
NC 1ERNR Incident No, 6918
Law Engineering Project 56-0509
,i
Dear Mr. Goodrich:
On behalf of Conoco Inc., Law Engineering, Inc. (LAW) submits this Notice of Intent for coverage under
the General NPDES Permit No. NC G510000 for effluent discharge from a proposed ground -water
recovery and treatment system to be located at the Conoco Stare No. 33070 in Charlotte, North Carolina.
The proposed system includes two ground -eater recovery wells, an oil/water separator, an air stripper and
activated carbon. In addition, vapor extraction and air sparging technologies will be implemented at the
site in conjunction with the ground. -water recovery and treatment.
Conoco and LAW appreciate your consideration of this request. Enclosed please find three signed copies
of the Notice of Intent application, along with three copies of the Corrective Action Plan and engineering
plans and specifications. Please contact us if there are any further questions regarding this permit
application, or the subject project.
Sincerely,
LAW ENGINEERING, INC.
f
Sharon M Tyndall, E.I.T.
Project Engineer
•.. � i�,6t6iRFdtg�� dRa i p C
r y
Brian E. Chew, Sr.. P.G.
Principal
Registered NC # 94 .. �
k
m as i ,
My
cc. Mtlessa Tilford iY. a
l 2�
Conoco Inc., Houston, TX _" x r`/ rvw °" o''
+rd� RiC cs :t V o
LAW ENGINEERING, -INC.
2801 YQRKMONT ROAD, SUITE 100 + CHARLOTTE, NC 28208
P.O, 80X 11297 * CHARLOTTE, NO 28220
[phone] * FAX [phone]

S*
State of North Carolina
Department of Environment, Health and Natural Resources
Division of Environmental Management
512 No Salisbury Street - Raleigh, North Carolina 27611
James G. Martin, Governor A. Preston Howard, Jr., P.E.
William W. Cobey, Jr., Secretary Acting Director
NQII-CE OF INIEN-I
National Pollutant Discharge- Eli n-"nation SyLtem
Application for Coverage under General Permit NCG51 0000; Groundwater remediation projects
designed to treat petroleum contarrdnated groundwater.
1. Name, Address, location, and telephone number of facility requesting Permit.
A. Official Name- Conoco Store No. 33070
B. Mailing Address: Conoco Inc. - emediation TecbnnInvv
(1)Street Address; Ponca Bld2.. P03028
(2)City; 600 North Dairy Ashford-
(3)State; Houston. Texasrx
-------
(4)Zip; 7ZQ79
(5)County; H
C. Location. (Attach map delineating general facility location)
(1)Street Address; 4900 North Tryou Strppr
(2)City;
(3)State;
(4)County;
D. Telephone Number; (213 ) 293 -1263
2, Facility Contact:
A. Name; iKilessa Tilford
B. Title;
C, Company Name; Coaocolnc.....
13. Phone Number; (2.13 ) 1-93--12LI-
3. Application type (check appropriate selection):
A. New or Proposed; X
B . Existing; -If previously permitted, provide permit number
and issoe date-
C Modification;
(Describe the nature of the modification):
4. Description of discharge
A. Please state the number of separate discharge points.
IJ4 ; 2,[ 1 ; 3,[ 1 ; 4J 1 1.
Pagel

'Nq
R Please describe the amount of wastewater being discharged per each separate discharge r
1--14_40(gallons Per day (gpd) 2: (gpd) 3: (gpd) 4: (gpd)
C. Check the duration and frequency of the disc ge, per each separate discharge point:
1. Con tinuous:-.2j-
2- Intetmittent(pWsedescri1xi):
3. Seasonal (check month(s) the discharge occurs): January February [ 1; March [ 1; April [ 1,
may [ ];June [ 1; July [ 1; August t 1; September [1, I- November [1; December [).
4. How any days per week is there a discharge?(check the days the discharge occurs)
Monday [ 1, Tuesday [ 1, Wednesday t. 1,'"Thursday [ ],Friday [ 1, Saturday 1, Sunday
5. How much of the volume discharged is treated? (state in per cent)_jaL0%
D. Describe the type of wastewater being discharged per separate discharge point. Specify what is
being removed and products recovered. This includes a listing of any chemicals found in
detectable amounts with the maximum, observed concentration reported. 'Me summary of
analytical results containing this maximum value should also be submitted (i.e. the listing, not
the graphical scan). The most recent sample must be no older than one year previous to the date
of this application. The following volatile organic compounds should be included along with
any suspected fuel additive;
1 Benzene*;
2. Toluene*;
3Ethylbenzene*;
4. Xylene*;
5. Lead; See attached Semi -Annual Well
6. Methyl tert-butylether (MTBE); Sampling Report
7. Dibromoethane (EDB);
& 1,2-dichloroethane; (ddAd jvlj�..Iqq)
9. Isopropyl ether;
10laphthalene;
lla Phenol;
*(An EPA approved method capable of detection levels to 1 ppb should be used to detect these
compounds).
E. Please check the appropriate type of treatment being used to at the groundwater;
1. Oil/Water Separator;__�L_
2. Air Strip per,___y,_
3. Diffused Aeration,-
4. Activated Carbon Absorption;__IL_
5. Other(specify)
6. Separately, please describe in detail(size, volumecapacity, design flow through treatment,
For Items #6 etc.) each type of treatment that was checked in 1 through 5. Include, if any, the
through #10 manufacturer's information on each type of treatment. Also provide there efficiency of
please refer to each compound detected for the pro)ect, if known. Give design specifies (i.e. design volume of
Corrective each unit, materials used in air stripper, etc.). Existing treatment facilities should be
Action Plan described in detail and design criteria or erational data should be provided(including
d�ao'H fir, 14 q) calculations) to ensure that the facility can comply with requirements of the General Permit
Please include model and calculations used in determining the design requirements for the air
stripper.
7. What are the well sizes and how many exist.
8. Please state the pump sizes and their location in relation to the treatment used in part 2.E.
9. Please explain what fail-safe measures, such as audible and visual al or automatic
I shutoff systems, are provided to ensure no system failures.
10. Is there an access to the effluent for sampling?( either an open pipe or a valve to obtain a
sample)
Page 2

1�11� pi 1� 111111•
(refer to
spray Irrigation; Not applicable, due
-tify that I am fa liar with the infom-tatior
Pfinted Name of Person Si .—
Title
Date Apphcation SigW_
Sigmbze of Appbcant—
-em; municipal sewer connect
to size and location of sii
size and location of site
mplete, and accurate.
exceed $10,000, or by impni'sonment not to exceed six months, or by both. (18 U.S.C. Section 1001
a punishment by a fine of not more than $10,000 or imprisonment not more than 5 years, or b
similar offense.)
Notice of Intent must be accompanied by a check or money order for $400.00 made payable to,
Carolina Department of Environment, Health, and Natural Resources. Mail three (3) copies
package to:
Division of Environtnental Management
NPDES Pennits Group
Post Office Box 29535
Raleigh, North Carolina 27626-0535
Page 3

`sr r: r _ • ♦ :.• . + #.: a. i. a..a #«: r r rr a..

Permit No. NG510236
Authorization to Construct
Conoco Storei#330'70
June 1, 195
Page
classification assigned to the wastewater treatment facilities by the Certification Commission. The
Permittee must also employ a certified back-up operator of the appropriate type and grade to comply with
the conditions of Title 15A, Chapter 8A, .0202. The ORC of the facility must visit each Class I facility at
least weekly and each Class ii, 111, and IV facility at least daily, excluding weekends and holidays, and
must properly manage and'document daily operation and maintenance of the facility and must comply with
all other conditions of Title 15A, Chapter 8A, .0202. One the facility is classified, the Permittee must
submit a letter to the Certification. Commission which designates the operator in responsible charge within
thirty days after the wastewater treatment facilities are 50% complete.
copy of the approved plans d specifications shall be maintained on file by the Permittee for the
life of the facility.
Failure to abide by the requirements contained in this Authorization to Construct may subject the
Permittee to an enforcement action by the Division of Environmental Management in accordance with
North Carolina General Statute 143- 15.6A to 143-215.6C.
The issuance of this Authorization to Construct does not preclude the Pertnittee from complying
with any and all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.
One (1) set of approved plans and specifications is being forwarded to you. If you have any
questions or need additional information, please contact Jeanette Powell at telephone number (919) 7 -
5083, extension 537.
Sincerely,
A. Preston Howard, Jr., P.E.
cc; Mecklenburg County Health Department
Training and Certification Unit
Facilities Assessment Unit

NC:G51036
on to Construct
ct
)re #3300
)95
nc+ ws riaelar rxsrrwntna»�ri: i3r�nFesc+nanrtrsl 'G"sst^rrteabr v", this '�.t
€ t
Project Name Location
proved plans s specifications.
Repxistratinn No-

LAW
ENGINEERING AND ENVIRONMENTAL SERVtG
October 12, 1994
Ms. Milessa Tlford
Conoco Inc. - Remediation Technology
Ponca Building, P03028
600 North Dairy Ashford
Houston, Texas 77079
Subject: Sampling Report - First Semi -Annual Event of 1"4
Conoco Store No. 33070
4900 North Tryon Street
Charlotte,. North Carolina
Law Engineering Project 56-0509
Dear Ms. Tilfordx
Law Engineering, Inc. (LAW) is pleased to submit this report for the first semi-annual sampling
event of 1994 at the Conoco Store No. 33070 in Charlotte, North Carolina. Sampling of site
monitoring wells MW-1 through MW-15 and four off -site public water -supply wells was
completed on August 25, 1994. In a letter dated June 22, 1994, s. Barbara: Christian of the
North {Carolina Department of Environment, Health and Natural Resources (NCDEHNP)
requested that the existing quarterly well sampling schedule at this site be modified to semi-
annual sampling. The next semi-annual event is anticipated to be performed at the site in
February 1995.
Included in this report is a ground -water elevation data table (Table 1), ground -water analytical
results data tables BTEX and MTBE analyses; Table 2; additional detected constituents, Table
3), a site plan showing sampling locations, a map showing locations of the four water -supply
wells (D-I through D-, Figure ), a ground -water contour map, a total BTEX isopleth
map, individual isopleth maps for benzene, xylenes and MTBE, and the analytical laboratory
report and chain -of -custody record. Please note that ground -water analytical results from the
three previous sampling events are also summarized in Tables 2 and 3. Only the laboratory
report from the August 2, 1994 event is attached.
LAW ENGINEERING, INC.
2801 YORKMONT ROAD, SUITE 100 * CHARLOTTE, NC 28208
P.O. BOX 11297 * CHARLOTTE, NC 28220
(704) 57-8600 * FAX [phone]
ONE OF THE LAW COMPAMES:

. Milessa Tilford
October 12, 1994
Page 2
LAWappreciates the opportunity to continue to provide our professional services to Conoco Inc.
Please contact us if there are any questions regarding this report.
Sincerely,
LAW ENGINEERING, INC,
Sharon M. Tyndall, E.I.T.
Project Engineer
Brian E. Chew, Sr., P.G. C
Principal Hydrogeoloist
Registered, NC #394�
SMTIBEC.clp
Enclosures
�H,

Conoco Store No, 33070 First Semi -Annual Sampling Event October 12, 1994
Law Engineering Project 56-0509 Final
TABLE
GROUND -WATER ELEVATION DATA
Well Measuring Point Depth to Ground -Water
Number
Elevation (ft)
Ground Water (ft)
Elevation (ft)
MW-1
99.20
2199
77.21
MW-2
100.00
22.63
77.37
MW-3
99.27
2128
77.9
MW-4
100.49
2200
78.49
MW-5
100.00
2059
79.41
MW-6
88.70
8.85
79.8
W-7
91.99
11.43
80.56
MW-8
86.70
9.20
77.50
-9
92.67
16.13
76.54
MW-10
98.09
23.28
74.81
W-11
99.79
22.32
77.7
W-12
97.60
18.44
79.16
-13
99.87
22.75
77.12
-14
95.66
17.70
77.96
MW-15
94.75
19.03
7.72
Prepared/Date:
2m1l l`f
Cheked/Date:
ic 1 0 ti
NOTES:
1) Ground -water elevation data collected on August 2, 1994.
2) Elevations referenced to an assumed site datum
(top of casing ®2 = 100 feet).

Conoco .Store No. 33070 First Semi-Annuai Sampling Event
Law Engineering Project 56-0509
Ground -Water Analyt
October 12, 1994
Final
Table
,cal Results - Total BTEX and MTBE
Well Sampling
Benzene
Toluene
Ethylbenzene
Xylenes
Number Date
(ug/1)
(ug/1)
(ug/1)
(ug/1)
MW-1
08/25/94
2400
14000
1800
11000
29l,
04/06/94
1200
7300
1500
8600
18(
01/12/94
400
18000
200
1000
38,
10/5/93
NS-FP
-FP
N-FP
S-FP
NS
MW-2
0/2/94
130
23000
20
13000
51
04/06/94
16000
24000
2600
1 3000
551
01/12/94
1000
22000
2800
1000
52
10/25/93
NS-FP
NS-FP
N-F
N-FP
N
M-3
08/5/94
ND
ND
ND
ND
r
04/6/94
ND
ND
ND
ND
01/2/94
ND
ND
ND
ND
10/5/93
ND
13
9.6
52
74
-4
08/ 5/94
29
1.3
ND
10
4(
04/06/94
6.5
ND
ND
8.4
1£
01/2/4
9.7
ND `
ND
4.6
1
10/25/93
44
1.5
ND
19
6=
MW-5
08/25/94
8.8
17
28
44
91
04/06/94
25
15
76
170
2
01/12/94
6.2
3.5
14
18
4
10/25/93
7.1
14
22
54
9'
MW-
08/25194
ND
ND
ND
ND
1
04/06/94
ND
ND
ND
ND
1
01/12/94 '
ND
ND
ND
ND
3
10/5/93
ND
ND
ND
ND
l
-7
08//94
ND
ND
ND
ND
l
04//94
ND
ND
ND
ND
01/12/94
ND
ND '
ND
ND
10/25/93
ND
1.2
2
1
1
Page 1 of 3

i
Conoco Store No. 33070 .first Semi -Annual Sampling Event
October 12, 199
law Engineering Protect 56-0509
Final
Table
Ground -Water Analytical Results - Total BTEX and MTBE
Total
Well
Sampling
Benzene
Toluene
Ethylbenzene,
Xylenes
BTEX
MTBE
Number
Date
(ug/l)
(ug/l)
(ug/1)
(ug/1)
(ug/1)
(ug/1)
MW-8
08/25/94
ND
ND
ND
ND
ND
ND
04/06/94
ND
ND
ND
ND
ND
ND
01/12/94
ND
ND
ND
ND
ND
ND
10/25/93
ND
ND
ND
ND
ND
ND
MW-9
08/25/94
ND
ND
ND
ND
ND
ND
04/6/4
ND
ND
ND
ND
ND
ND
01/12/94
ND
ND
ND
ND
ND
ND
10/25/93
ND
ND
ND
ND
ND
ND
MW-10
08125/94
ND
ND
ND
ND
ND
ND
04/06/94
ND '
ND
ND
ND
ND
ND
01/12/94
ND
ND
ND
ND
ND
ND
10/25/93
ND
ND
ND
ND
ND
ND
MW-11 *
08/25/94
5105.4
ND
170
685.4
ND
04/06/94
270
3.2
3.1
200
476.3
11
01/12194
420
11
ND
190
621
ND
10/25/93 '
580
63
ND
510 -
1153
ND
M-12
08/25/94'ND
ND
ND
ND
ND
ND
04/06/94
ND
ND
ND
ND
ND
ND
01/12/94
ND
ND
ND
ND
ND
ND
10/25/93
ND
ND
ND
ND
ND
ND
MW-13
08/25/94
ND
ND
ND
ND
ND
ND
04/06/94
ND
ND
ND
ND
ND
ND
01/12/94-
ND
ND
ND
ND
ND .
ND
10/25/93
ND
ND
ND
ND
ND
ND
W-14
08/25/94
ND
ND
ND
ND
ND
ND
04/06/94
ND
ND
ND
ND
ND
ND
01/12/94
ND
ND
ND
4.5
4.5
ND
Page 2 of 3

Conoco ,Store No. 33070 First Semi Annual Sampling Event
October 12, 1994
Law Engineering Protect 56-0509
Final
Table 2
Ground -Water Analytical Results - Total BTEX and MTBE
Total
Well SamplingBenzene`
Toluene
Ethylbenzene Xylenes
BTEX
MTBE
Number Date (ug/1)
(ug/1)
(ug/I) (119/1)
(ug/l)
(u9/1)
MW-15 08/25/94 ND
ND
ND ND
ND
ND
04/06/94 ND
ND
ND ND
ND
ND
01/12/94 ND
ND
ND ND
ND
N
DW-108/25/94 ND
ND
ND ND
ND
ND
04/06/94 ND
ND
ND ND
ND
ND
01/1/94 ND
ND
ND ND
ND
N
10/ /93 ND
ND
ND ND
ND
ND
08/31/93 ND
ND
ND ND
ND
ND
W-2 08/25/94 ND
ND
ND ND
ND
ND
DW-3 08/25/94 ND
ND
ND ND
ND
ND
DW-4 8/5/94 ND
ND
ND ND
ND
ND
Trip Blank 08/25/94 ND
ND
ND ND
ND
ND
NCS 1
1000
29 530
200
Prepared/Date: W 10f/;%
Checked/Date EC to c,
NOTES.
1) MTBE = methyl -tertiary -butyl ether.
2) ND = not detected; NS-FP ='not sampled due to free product, NA = notanalyzed; NS = not sampled.
) NCGWS = North Carolina Ground -Water Standards, NAC Title 15A, Subchapter 2L.
) DW-I is well located at the Jackson Trailer Park property; DW-2 is well located at 2001Bennett Street;
DW-3 is well located at 225 Lambeth Street; DW-4 is well located at 4925 Curtiswood Drive.
5) *Type 111 "'deep" monitoring well
Page 3 of

Conoco Store No. 33070,First Semi -Annual Sampling Event
Law ,Engineering Project 56-0509
T2
GROUND -WATER ANALYTICAL RESULT
Well Sampling Chloro- 1,1,1_ 1,2-
Number Date methane Trichloroethane Dichlor th t
(ug/1) (/1) (u/1)
etr-
chloroethene
MW-1
08/25/94
5.5
23
1vu
NO
u.VJz
ly
11"
11�
04/06/94
ND
12
1.9
ND
ND
ND
ND
ND
02/ 12/93
ND
ND
ND
ND
0.096
ND
ND
ND
10/25/93
ND
NS-FP-
N-FP
N-F
N-FP
-FP
N-F
-FP
-
08/25/94
2.4
ND
18
790
0.43
ND
ND
ND
04/06/94
ND
ND
19
1100
039
ND
ND
ND
01/12/94
ND
ND
ND
1200
0.35
ND
ND
ND
10/25/93
ND
-FP
NS-FP
NS-FP
N-FP
N=FP
NS-FP
N-FP
-
08/25/94
Ni
ND
ND
43
ND
ND
ND
ND
04/06/94
ND
ND
ND
31
ND
ND
ND
1.1
01/12/94
ND
ND
31
55
ND
ND
ND
ND
10/25/93
ND :
ND
ND
45
ND
ND
ND
ND
MW-4
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
ND
ND
ND
ND
ND
ND
NIA'
01/12/94
ND
ND
ND
ND
ND
ND
ND
ND
10/25/3
ND
ND
ND-
ND
ND
ND
ND
ND
M-
08/25/94
ND
ND
1.5
73
ND
ND
ND
ND
04/06/94
ND
ND
1.9
45
ND
ND
ND
ND
1/12/94
ND
ND
ND
49
ND
ND
ND
NIA
10/25/93
ND
ND
ND
71
ND
ND
ND
ND
Page i of 5

Conoco Store No. 3 070 First Semi -Annual Sampling Event
October 12, 1994
w Engineering Pmject 56-0509
Final
TABLE3
GROUND - GROUND -WATER ANALYTICALS T -ADDITIONAL DETECTED CONSTITUENTS
Well
Sampling
Chlro-
1,1,1-
1,2-
IPE
EDB
Chloro-
Bromo-
Tetra -
Number
Date
methane
Trichloroethane
Dichloroeth e (ug/1)
(ug/l)
form
dichlorometh ` e
chloroethene
(u,ll)
(u/l)
(ug/1)
(ug/I)
(ug/l)
(ug/1)
W-
O8/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
NA
NA
ND
NA
NA
NA
NA
01/12/94
ND
ND
ND
ND
ND
ND
ND
ND;
10/25/93
ND
NA
NA
ND
NA
NA
NA
NA
MW-7
08/25194
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
NA
NA
- ND
NA
NA
NA
NA
01/12/94
ND
ND
ND
ND
ND
ND
ND
ND
10/25/93
ND
NA
NA
ND
NA
NA
NA
NA`
M-S
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
NA
NA
ND
NA
NA
NA
NA`
01/12/94
ND
ND
ND
ND
ND
ND
ND
ND
10/25/93
ND
NA
NA
ND
NA
NA
NA
NA
MW-9
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
NA
NA
ND
NA
NA
NA
NA
01/12/94
ND
ND
ND
ND
NIA
ND
ND
ND
10/25/93
ND
ND
ND
ND
ND
ND
ND
1.9
MW-10
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
ND
NA
NA
ND
NA
NA
NA
NA
01/12194
ND
ND
ND
ND
ND
ND
ND
ND
10/25/93
ND
NA
NA
ND
NA
NA
NA
NA
Page 2 of 5

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Conoco Stare No. 33070 First Semi -Annual Sampling Event
October 12, 1994
Final
Law Engineering Project 56-0509
TABLE 3
GROUND -WATER ANALYTICAL RESULTS -ADDITIONAL DETECTED CONSTITUENTS
Well
Sampling
Chloro-
1,11-
1,2-
IPE
EDB
Chlorn_
Bromo-
Tetra -
Number
Late
methane
Trichloroethane
Dichloroethane
(ug/1)
(u /1)
form
dichloromethane
chlor thene
(ug/1)
(ug/1)
(ug/1)
(ug/1)
(ug/1)
(ug/1)
DW-1
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
04/06/94
Nib
ND
ND
9.3
NIA
ND
ND
ND
01/12/94
NCB
ND
ND
ND
ND
ND
ND
2.1
10/25/93
ND
Nib
ND
ND
ND
ND
ND
ND
08/31/93
ND
ND
ND
ND
ND
ND
ND
ND
DW-
0/5/4
ND
ND
ND
ND
ND
ND
ND
ND
DW-
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
DW-
08/25/94
ND
ND
ND
ND
ND
ND
ND
ND
Page 4 of 5

Conoco Store No. 33070 First Send -Annual Sampling Event
October 12, 1994
Law Engineering .Project 56-0509
Final
TABLE
GROUND -WATER ANALYTICAL RESULTS _ ADDITIONAL DETECTED CONSTITUENTS
Well Sampling Chloro- I,1,1- 1,2- IPE EDB Chloro- Bromo_
Tetra -
Number Date methane Trichloroethane Dichlor t e (ug/1) (ug/1) form dichloromethane
chlor thene
(u/1) (ug/1) (ug/1) (ug/1) (ug/1)
(ug/1)
Trip Blank 08/25/94 ND ND ND ND ND ND ND
ND
04/06/94 ND ND ND ND ND ND ND
ND
01/12/94 ND ND ND ND ND ND ND
ND
NCGWS 200 0.38 NL 0.0004 0.19 NL
NL
Prepared/Date:
1 c
Checked/Date:
NOTES:
1) IPE = Isopropyl ether, EDB = 1,2-Dibrornoethane+
2) ND = Not detected, NS-FP = not sampled due to free product, NA _ not analyzed; NS =. not sampled;
NL = no standard listed.
) NCGWS = North Carolina Ground -Water Standards, NCAC Title 15A, Subchapter 2L+ No standard is available for IPE, no
standards are listed for bromodlchloromethane or tetrachlor thee+
) DW-1 is well located at the Jackson Trailer Park property, DW-2 is located at 200 Bennett Street, DW-3 is located at
225 Lambeth Street, DW-4 is located at 4925 Curttswood Drive.
Page 5 of 5

EXPLANATION
TYPE 11 MONITORING WELL
TYPE III MONITORING WELL
OVERHEAD UTILITIES
WOODEN FENCE
CATCH BASIN
AL
SHRUBS
TREE
*
CHAIN -LINK FENCE
FIRE HYDRANT
<.:.,..
SIDEWALK
PROPERTY LINE
10
OVERHEAD SIGN
WATER SUPPLY WELL
Wfl
LOCATED ON JACKSO
TRAILER PART{ PROPERTY

f
J
t
1
PE'P` 8Q1*
MW-15
'AUTOMOVVE
SUPPLY.,
P
T Pi{'P BOYS
'OPRATY
5

WELL
JACKS MOBILE .� 1
HOME PARK AUTCt SALES
J.1CK to t t
PROP RA
MWG t= t
t t EXPLANATION
TYPE 11 MONITORING WELL
TYPE 111 MONITORING WELL
w t tI NEP YS.:=" OVERHEAD UTILITIES
TWO 3
Y I� t t A T! WOODEN FENCE
AGE rRETAINING WALL t 19 MW -tea SUPPLY„ t°
1 f t cs CATCH BASIN
t t t SHRUBS
JACKSON ._ w TREE
a t�itOPSR + i t CHAIN —LINK FENCE
JACKSON t
FIRE HYDRANT
PROPER x AS I t rmir PIP BOYS
PROPNRry
t t PROPERTY LINE
OVERHEAD SIGN
WATER SUPPLY WELL
� _ tW#4 LOCATED ON JACKSON
MW-1 MW_ll TRAILER PARK PROPERTY
POP
w
w ASPHALTIC
C
�i
1 PAVEMENT -44 t t r
iDIESEL PUMP UST
r MW—? t
F UST R PRODU
CT P tt09 W-1
W
EA SUPPLY E t ea
+» r p
UNE
STORM WATER ! MW RU NC " tDRAIN OUTLETLINDER
a0uTILITIES ACCESS AUL
LABOVE—GRGu ER E PUMP 1 ;`" r g'1��ry+ b 25 0t
a 44Np
j
APPROXIMATE SCAB IN FM
CONTAINMENT PIT STRICT W-4 It
t
CE
ca
I' MUNCIPAL AWTVAL UPS INS. LAW
LINE t .BSI= A(JrrSJtS CO.
�"' PROPS ENGINEERING M TAL VI ...... t ISMW-12 CHARLOTTE. NORTH CAROLINA
GRAVEL. DRIVE
t
t t G SITE PLAN
CON CO STORE NO. 33070
p foxf ICI E ttt FURwITUSRE,- 4900 NORTH TRYON— CHARLOTTE, N.C.
r
REF. RMREM ED FROIA MECKLENBURG COUNTY, By EPAR WWOA11E E 0/V _12— 911
NORTH CAROLINA TAX UNE MAP (RE)ISION DATED
5--9--90), FIELD SKETCH BY LAW ENVIRONMENTAL PERSONNEL, N%?, 56-0509 FIB' j

3 k
i
r
s
i
i r
• v
iy
1
Y T.
3
ir.mw ; a
s z
x` t
N Q
P TFf
TRYON
ET
.r .cw µ
REF.- MECKLENBURG COUNTY, NORTH CAROLINA TAX MAPS,
BAS 89, PAGES . 10 11, BOOK 9�1, PA 1. 2, . D
k a
S
i e
j
EXPLANATION
3 � �
£ t
SITE
WATER SUPPLY* WELL
rill",
BW- 1 JACKSON TRAILER PARK WELL
,n
DW-2 200 BENNETT LANE WELL
DW-3 225 LAM ETH DR. WELL
IW-4 4925 CURTIS WOOD DR. WELL
r.
r
W'I T NOT TO f;AI F

WELL
HOUSE
JACKSON MOBILE
HOME PAR
76.54
7
�GENGAa.'
�
PA�t
S
t
"STORY
t
JA ON
';
f
PRt1'B'R
r
JAC QN t
IRASSt
PROP.A'
1001 W-
l►7 P R" PROPB'R 79. 5
7
LINE
W— 1
80 80.5
WOODED A
era
cv
9 SLY
y R£Fi REFERE14CED FROM MEMENSURG COM
NORIH CAROLINA TAX LINE M (REMSH
5— --90), nELD SKET04 BY LAW MR(
�a
STOFM WAI
KSON*s
SALES>
± JACXSON
PRQPAR!
L,.
CRVE t a
—3! HE
RETAINING WALL
r
r
11�
• r-. ►
- . jai
$� t
a
s
.,
yw
o^
i f
i a
t f
t f
f. t
r f f
f: ! sQYS
AU
m
J is mW-15
1 75.72 _' 4EL t
t'
t r
1. P am L.
! t T
I P8P Bars
�► PRQP.iP �
' 76 f
ff 8.85
f
1
t
f
1 �+s
ff W-14
NOTES:
7,
1) GROUI
IN WE
78 ) CONT
3) TYPE
MW--1
N
UMUITES ACCESS A
OtJ
jf

W-10
NO
WELL
HOUSE
f EXPLANATION
# CKSON
0 TYPE It MONITORING WELL
HOME P AUT MOBILE
itt MONITORING WELL
ON I E
:.. OVERHEAD UTILITIES
PttpPIt ,
ND WOODEN FENCE
ca CATCH BASIN
t At. SHRUBS
^+AI TREE
i t
GAIN —LINK FENCE
' ` t FIRE HYDRANT
r CONCRETE BLOCK�, t NO to �=l SIDEWALK
RETAINING W i. J MW-15
SUPPLY
PROPERTY LINE
W OVERHEAD SIGN
JAMON ta WATER SUPPLY WELL
r PROPNR NIA i ° `! LOCATED ON JACKSON
JAMON # TRAILER PARK PROPERTY
IPFI?PBR
rWx Prp.eta
PROPCRTY TOTALBTEX CONCENTRATION
r29.2 (m A 08/2 f 4)
TOTAL BTEX ISOPLETH 9A)
ND
AMW-134*NW 1 IF a GENERALIZED GROUND —WATER
JAt r FLOW DIRECTION
t M�3
W_ ASPHALTIC g
WINFIR PBOPRR ND SEL PUMP NO c PAVEMENT r
' /5
'"`' 51" Mw- NOTES:
1) ISOPLETHS BASED ON GROUND —WATER
" Nt� -�, �r
�EEr� —1�
UST �' t `, D SAMPLES COLLECTED FOR ANALYSIS
CL
AREA -
AUGUST 25, 1994.
TREE LINE r 1 Ak 2) ISOPLETH INTERVAL - 25.O m X
3j ND = NOT DETECTED.
' 0.09 8 � � 1 4 E III' MONITORING WELLS, MW-�1'1,
STORM
WA
M 5 ' .' tmwN
MW-13 AND WELL DW-�1 NOT USED IN
tOUTLET try S ACCESS VAUL CONTOURING.
WOODW AREA NO "�` . !I * 1 50 25 0 54
EROSENE PUMP " ".
APPROXIMATE SCAIX IN FEET
TAW AND I
CONTAINMENT PIT CT 4
0.040 0 LAW
r
PRINCIPAL AWWAL &IF1I. INS. ENGINEERING ENVIRONMENTAL 1A
_1k PHONE�CES
d �;�" C Afa�T1±�.8' CO.' CHARLOTTE. NORTH CAROLINA
I PROP A
NO
TOTAL STEX
ETH MAP
ONOCO STORE NO. 33070
....
HEILIG" 0 NO ON CHARLOTTE, N.C.
REF; RE ERkTICE#7 FROM ME NBURC AUNTY ^ d EP CAi'E DM Clgjlq CHEMECI � C CiATEI l
--I SNORTH CAROLINA SE WNLINE MAP �VIR�GIMENATAI PR517NNI.
JOB NG1. 56-O5t19Id3RE 4

1AW
ENGINEERING AND ENVIRONMENTAL SERVICES
September 14, 1994
Sharon Tyndall
Law Environmental, Inc.
2801 Yorkmont Rd.
Charlotte, NC 28208
Subject: Chemical analysis of samples received on 08/26/94
Project Number: 56-0509 TO
Dear Ms. Tyndall:
Law Environmental National Laboratories has completed its analysis of your samples and
reports the results on the following pages. These results relate only to the contents of the
samples as submitted. This report shall not be reproduced except in full without the approval
of Law Environmental National Laboratories.
If there are any questions, please do not hesitate to contact Rhonda K. Arnwine at (404)-421-
3306.
Sincerely,
LAW ENVIRONMENTAL NATIONAL LABORATORIES
•
W. Paul'
Laboratory Manager
WPB:pah
Enclosures: Data Report
Invoice
LAW ENVIRONMENTAL, INC.
NATIONAL LABORATORIES
112 TOWN PARK DRIVE * KENNESAW, GA 30144
[phone] • FAX [phone]
ONE OF THE LAW COMPANIES (D

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LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-01
Project No. : 56-0509 T09
Parameter .............................. Method.... Units DL ........ Results... Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene EPA 601 ug/1 12 ND 08/27/94 VZ
1,2-Dichlorobenzene EPA 601 ug/1 12 ND 08/27/94 VZ
Benzene EPA 602 ug/l 4.8 2400 08/31/94 VZ
Toluene EPA 602 ug/1 7.8 14000 08/31/94 VZ
Ethylbenzene EPA 602 ug/1 6.8 1800 08/31/94 VZ
Xylene, Total EPA 602 ug/1 16 11000 08/31/94 VZ
Methyl -tertiary -butyl ether (MTBE) EPA 602 ug/l 14 ND 08/27/94 VZ
Isopropyl ether EPA 602 ug/1 100 ND 08/31/94 VZ
Signed ioA
A"

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project
information ---
Lab Number : 94-8869-02
Project No. ; 6-05 9 T09
Cust. No.
e'
Project Name : CONOCO 3300
Manager: SHARON TYNDALL
---Sample
information ---
Station ID -2
Sampled
bate/Time
:< Of
Matrix : W
Received
Date/Time
: Of
Type : GRAB
Receives From/By
eDv
Collector : DSG
Chain
of Custody
: 31
Number of
Containers
Parameter ......-#..• #.##.............. Method....
Units
DL........
Results...
- GC ORGANIC YSIS RESULTS
1,2-D brom ethane (EDB)
EPA
504
ug/l
0.02
0.43
t/1,2-Dibro o thane (EDB)
EPA
504
N/A
- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS
--
Dichlorodifluoro ethane
EPA
601
ug/l
3#0
ND
Chloromethane
EPA
601
ug/l
2.4
Vinyl ;Chloride
EPA
60
/l
2.6
ND
Bromo ethane
EPA
601
ug/l
2.4
ND
Chlorcethane
EPA
601
g/l
2.6
ND
Trichlorofluoromethane
EPA
601
/l
4.3
ND
2,1-D chloroethene
EPA
601
ug/l
3.4
Methylene, Chloride
EPA
601
ug/l
10
ND
trans-1,2-Dichloroethene
EPA
601
ug/l
3.6'ND
Y!
#
! • Y Y a
#1'
eW .
a • a
R
e
•
E
i
t
1
M
r
i
•
f:
g/.L 1.0 1W
Signed
t•

LAW ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-02
Project No. : 56-0509 TO
Parameter ..............................
Method....
Units
DL ........
Results...
Test Date
Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene
EPA 601
ug/l
6.0
ND
08/27/94
VZ
1,2-Di chfor obent one
EPA 601
ug/l
6.0
ND
08/27/94
VZ
Benzene
EPA 602
ug/1
2.4
13000
08/31/94
VZ
Toluene
EPA 602
ug/l
3.9
23000
08/31/94
VZ
Ethylbenzene
EPA 602
ug/l
3.4
2300
08/31/94
VZ
Xylene, Total
EPA 602
ug/1
8.0
13000
08/31/94
VZ
Methyl -tertiary -butyl ether
(MTBE) EPA 602
ug/l
7.0
360
08/27/94
VZ
Isopropyl ether
EPA 602
ug/l
50
790
08/27/94
VZ
A
Signed

W ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT
Date 9/14/94
Page 1
--- Project
information ---
Lab Number : 4-8869-03
Project No. : 56-0509 T09
Cst. No. :
Project N : CONOCO 33070
Manager: SHARON TYNDALL
--- Sample
Information ---
Station ID : -3
Sampled
Date/Time :
08/2 /94 13:40
Matrix : W
Received
Date/Time :
08/26/94 08:57
Type : GRAS
Received From/By :'DSG/LG
Collector : DSG
Chain
of Custody :
31213
Number of
Containers :
6
Parameter ..
Method...
Units
DL.. Results. Test Date
Analy
-- GC ORGANIC ANALYSIS RESULTS -_
1,2-Dibromoethane (EDB)
EPA
504
/1
0.02
ND
09/02/9
BT'
Et/1,-Dibromoethane (EDB)
EPA
504
N/A
08/1/94
BT
-- GC VOLATILE ORGANIC A ,YSIS (AQ)
RESULTS
--
Dichlorodifluoromethane
EPA
601
g/l
0.59
ND
08/26/94
VZ
Chloromethane
EPA
601
/1
0.47
ND
08/26/94
VZ
Vinyl Chloride
EPA
601
u /l
0.53
ND
08/26/94
VZ
Bromomethane
EPA
601
g/1
0.48
ND
08/26/94
VZ'
C loroethane
EPA
601
/l
0.52
ND
08/26/94
VZ
ichlorofl oromethan
EPA
601
g/l
0.86
08/26/94
V
1,1-Dichloroethene
EPA
601
g/l
0.67
ND
08/26/94
VZ
Methylene Chloride
EPA
601
ug/l
2.0
ND
08/26/94
VZ
trans-1,2-Dchloroethene
EPA
601
ug/1
0.7
08/26/94
VZ
1,1-Dichloroethane
EPA
60
/l
0.78
ND
08/26/94
VZ'
Chloroform
EPA
601
u/1
0.75
ND
08/26/94
VZ
1,1,1-Trichloroethane
EPA
601
ug/l
1.8
ND
08/26/94
VZ
Carbon Tetrachloride
EPA
601
g/l
0.75
ND
08/26/94
VZ
1,2-Dichloroethane
EPA
601
g/1
0.89
ND
08/26/94
VZ
Tri.chloroethene
EPA
60
g/l
0.83
ND
08/26/94
V
1,2-Dichlor propane
EPA
601
g/l
0.74
ND
08/26/94
VZ
Bromodichloromethane
EPA
601
ug/1
0.81
ND
08/26/94VZ
2-Chloroethylwinyl ether
EPA
60
g/l
1.9
08/26/94
VZ
cis-1,3-Dichloropropene
EPA
601
g/1
0.69
ND
08/26/94
VZ
trans-1,3-Dichloropropene
EPA
601
ug/1
0.84
ND
08/26/94
VZ
1,1,2-Trichloroethane
EPA
601
ug/l
0.8
08/26/94
VZ
trac loroethen
EPA
601
ug/l
0.9
08/26/94
VZ
Dibromochloromethane
EPA
601
u /l
0.85
ND
08/26/94
VZ
hlorobenze e
EPA
601
ug/l
0.82
ND
08/26/94
VZ
Bromoform
EPA
601
g/l
0.80
ND
08/26/94
VZ
1,1,2,2,-Te'trachloroethane
EPA
601
g/l
1.1
ND
08/26/94
VZ
,3-Dichlorobenrene
EPA
601
g/1
1.5
ND
08/26/94
VZ
Remarks:
DL = Detection Limit
ND=
Not Detected at the
DL
less otherwise'noted, all
soil test
results are calculated based
can dry weight.
Signed

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-03
Project No. : 56-0509 T09
Parameter .............................. Method.... Units DL ........ Results... Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene EPA 601 ug/l 1.2 ND 08/26/94 VZ
1,2-Dichlorobenzene EPA 601 ug/l 1.2 ND 08/26/94 VZ
Benzene EPA 602 ug/l 0.48 ND 08/26/94 VZ
Toluene EPA 602 ug/l 0.78 ND 08/26/94 VZ
Ethylbenzene EPA 602 Ug/l 0.68 ND 08/26/94 VZ
Xylene, Total EPA 602 ug/l 1.6 ND 08/26/94 VZ
Methyl -tertiary -butyl ether (MTBE) EPA 602 ug/1 1.4 ND 08/26/94 VZ
Isopropyl ether EPA 602 ug/l 10 43 08/31/94 VZ
SignedL4AO—

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Este 09/14/94
Page 1
--- Project Information ---
Lab Number : 94-8869-04
Project No. x 6-0509 T09 Cust.`No.
Project Name : CONOCO 330`70
Manager: SHARON TY ALL
...
-- Sample Information ---
Station ID : -4 Sampled Date/Time 08/25/94 13:45
Matrix : W Received Date/Time 08/26/94 08:57
Type : GRAB Received, From/By z DSGLG
Collector :'DSG Chain of Custody » 31213
Number of Containers 6
Parameter .. Method... Units DL. Results.. Test Date Analy
- GC ORGANIC ANALYSIS RESULTS -
1,2-D.bromoethane (EDB) EPA 504 /l 0.02 ND 09/02/94 B
Ext/1 2-Dibromoethane (ED ) EPA 504 N/A 08/31/94 B'T
- GC VOLATILE ORGANIC ANALYSIS (AQ)RESULTS --
Dichlaorodifluoromethane EPA 601 ug/l 0.5 08/26/94 VZ
Chloromethane EPA 601 ug/l 0.4 8/26/4 VZ
Vinyl Chloride EPA 601 ug/l ` 0.5 08/26/94 VZ
Bromomethane EPA 601 ug/l 0.48 ND 08/26/94 VZ
Chlor+oethane EPA 601 ug/l 0.52 ND 08/26/94 V
Trichlorofluoromethane EPA 601 g/l 0.8 08/26/94 V
1,1-Dichloroethene EPA 601 ug/l 0.67 ND 08/26/94 VZ
Methylene Chloride EPA 601 ug/l 2.0 ND 08/26/94 V
trans-1, 2-1Dichloroethene EPA 601 ug;/l 0.7 08/26/94 VZ
1,1-Dichloroethane EPA 601 ug/l 0.78 ND 08/26/94
Chloroform EPA 601 ug/l 0.7 08/26/94 VZ
1,1,1-Trichloroethane EPA 61 ug/l 1.8` ND 08/26/94 V
Carbon Tetrachloride EPA 601 ug/l 0.75 ND 08/26/94 V
1,2-Dichloroethne EPA 61 ug/l 0.8 08/26/94 VZ
Trichloroethene EPA 61 ug/l 0.83 ND 0/26/4 V
1,2-Dichloropropane EPA 601 ug/l 0.74 ND 08/26/4 V
Bromodichloromethane EPA 601 ug/l 0.81 ND 08/26/94 VZ
-Chloroethylvinyl ether EPA 601 ug/l 1.9 ND 08/26/94 VZ
cis-1,3-Dichloropropene EPA 601 ug/l 0.69 ND 08/26/4 VZ
trans`-1,3-pichlcropropene EPA 601 ug/l 0.84 ND 08/26/94 V
1,1,2-Trihlorothan EPA 601 ug/l 0.8+6 ND 0/26/4 VZ
Tetrachloroethene EPA 601 ug/l 0.91 ND 0/26/94 VZ
Dibromochloromethane< EPA 61 ug/l 0.8!5 ND 08/26/94 VZ
Chloroben ene EPA 601 ug/l 0.82 ND 08/26/94 V
Bromoform EPA 601 ug/l 0.80 RD 08/26/94 VZ
1,1,2,2,-Ttrcloroethan EPA 601 ug/l 1.1 ND 08/26/4 V
1,3-Dichloroben ene EPA 601 ug/l 1.5 ND 08/26/94 VZ
Remarks-
DL = Detection Limit ND Not Detected at the`DL
Unless otherwise' noted, all soil test results are calculated based on dry weight.
Signed

LAW ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-04
Project No. : 56-0509 T09
Parameter ..............................
Method....
Units
DL ........
Results...
Test Date
Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS
--
1,4-Dichlorobenzene
EPA
601
ug/l
1.2
ND
08/26/94
VZ
1,2-Dichlorobenzene
EPA
601
ug/1
1.2
ND
08/26/94
VZ
Benzene
EPA
602
ug/l
0.48
29
08/26/94
VZ
Toluene
EPA
602
ug/l
0.78
1.3
08/26/94
VZ
Ethylbenzene
EPA
602
ug/l
0.68
ND
08/26/94
VZ
Xylene, Total
EPA
602
ug/l
1.6
10
08/26/94
VZ
Methyl -tertiary -butyl ether (MTBE)
EPA
602
ug/l
1.4
ND
08/26/94
VZ
Isopropyl ether
EPA
602
ug/l
10
ND
08/31/94
VZ
Signed

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--_ Project Information ---
Lab Number : 94-8-05
Project No. : 6-0509 T09 Cust. No.
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
_--Sample Information ---
Station ID -5 Sampled Date/Time c 08//9 13.5
Matrix : W Received Date/Time s 08/26/94 08.5
Type : GRAB Received From/By : DSG/G
Collector : DSG Chain of Custody 3121
Number of Containers F 6
Parameter .. Method... UnitsDL.. Results.. Test Date Analy
-- GC ORGANIC ANALYSIS RESULTS -
1,2-Di romo than (EDB) EPA 50 g/l 0.02 ND 09/02/94 BT
xt/1,2-Dibromoethane` {EDB) EPA 504 N/A 08/31/94 BT
-- GC VOLATILE ORGANIC ANA YSIS (A ) RESULTS --
ichlorodifluoro eth a EPA 601 ug/l 0.5 08/26/94 VZ
Chloromethane EPA 601 ug/l 0.4 08/26/94 VZ
Vinyl Chloride EPA 601 ug/l 0.53 ND 08/26/94 VZ
Bromomethane EPA 601 g/l 0.48 ND 08/26/94 VZ
hloroethane EPA 601 g/1 0.52 ND 0/26/94 V
Trichlorofluoromethane EPA 601 /1 0.8 08/26/94 VZ
1,1-D chloroethene EPA 60 /l 0.67 ND 08/26/94 VZ
Methylene Chloride EPA 601 ug/l 2.0 ND 08/26/94 V
trans-1,2-Dich roet ene EPA 601 u/l 0.7 08/26/94 V
,l-Dzchlooethe EPA 601 u/1 0.78 ND 08/26/94 VZ+
Chloroform EPA 601 g/l 0.7 08/26/94 VZ
1,1,1-Trichloroethane EPA 601 ug/l 1.8 ND 08/26/9i4 VZ'
Carbon Tetrachloride EPA 601 u/1 0.75 ND 08/26/4 V
,2-Dichloroeth ne EPA 601 a /l 0.89 1.5 08/26/94 VZ
Trichloroethene EPA 601 ug/l 0.83 ND 08/26/94 VZ
,2-Dschloropropane EPA 601 g/1 0.79E ND 0/26/4 VZ
Bromodichloromethane. EPA 601 u /l 0.81 ND 08/26/94 VZ
2-Chloroethylvinyl ether EPA 601 ug/l 1.9 ND 08/26/94 VZ
cis-1 3-Dichloroprop ne EPA 601 u /l 0.69 ND 08/26/94 VZ
trans-1,3-Dichloropropene EPA 601 /1 0.8 08/26/4 VZ
1,1,2-Trio loroethane EPA 601 ug/l 0.85 ND 08/26/94 V
Tetrachloroethene EPA 601. ug/l 0.91 ND 08/26/94 VZ
Dibromochlsromethane EPA 601 .g/l 0.8 08/26/94 VZ
hlorobenzene EPA 601 ug/1 0.82 ND 0/26/4 VZ
Bromoform EPA 601 /l 0.80 ND 08/26/94 V
,1,2 2,-Tetrachloroethane EPA 601 a /l 1.1 ND 08/26/94 V
1,3-Dichloroben ene EPA 601 ug/l 1.5 ND 08/26/94 V
Remarks.
DL = Detection Limit ND= Not Detected at the DL
Unless' otherwise noted, all soil test results are calculated based on dry weight.
Signed

N ENVIRONMENTAL NATIONAL TOR ES
TEST DATA REPORT'
)ate 09/14/94
Page 2
Lab Number : 94- 86 -05
Project No. : 5-0509 T09
Parameter ..............................
Method.'...
Units
DL........
Results...
Test Date
Analy
- - € C: VOLATILE ORGANIC ANALYSIS , (AQ)
RESULTS
_ -
1,4- iehloroben one
EPA
601
ug/1
1.2
ND
08/26/94
V
1',2-Diehlor ben ene
EPA
601
g/1
1.2
ND
08/26/94
V
Benzene
EPA
602
g/l
0.48>
8.8
08/26/94
V°
Toluene
EPA.
602
ug/1
0.78
17
08/26/94
V
8'thylbensene
EPA
602
ug/l
0.68
28
08/26/94
V
lenei, Total
EPA
602
g/l
1.6
44
08/26/94
V '
g thyl-tertiary-butyl ether ( PE)
EPA
602
ug/l
1.4
320
08/31/94
V'
isopropyl ether
EPA
602
g/l
10
73
08/26/94
VZ
Signed

W ENVIRONMENTAL
NATIONAL
LABORATORIES
"BEST DATA REPOR".
Date 09/14/94
Page 1
--- Project
Information ---
Lab Number : 4-8869-06'
Project No. : 56-0509 T09
Gust. No. :
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
_-.Sample
information ---
Station ID -6
Sampled
Date/Time :
08/25/94 1:5
Matrix : W
Received
Date/Time :
08/2 /94 08:57
Type : GRAB
Received From/By :<DSG/LG
Collector : SSG
Chain
of Custody :
31213
Number of
Containers :
6
Parameter ..
Method..
Snits'
DL..
Results.`.
Test Date
Analy
- GC ORGANIC ANALYSIS RESULTS -
1`,2-Di romoethane (EDB)
EPA
504
ug/l
0.0
09/02/ 4
BT
Ext/1,2-Dibromoethane (EDB)
EPA
504
N/A
08/31/94
BT
- GC VOLATILE ORGANIC ANALYSIS (Ate),
RESULTS
Dichlorodifluoromethane
EPA
601
ug/l
0.59
ND
08/27/94
VZ
Chloromethane
EPA
601
ug/1
0.47
ND
08/27/94
VZ
"Vinyl Chloride
EPA
601
ug/l
0.53
ND
08/27/94
VZ
Bromomethane
EPA.
601
ug/l.
0.48
ND
08/27/4
VZ
Chloroethane
EPA
601
ug/l
0.52
ND
08/27/94
"VZ
Trichlorofluoromethane
EPA.
601
ug/l
0.8
08/27/94
VZ'
1,1-Dichloroethene
EPA
601
ug/1
0.67
ND
08/27/94
VZ
Methylene Chloride
EPA
601
ug/1
2.0
ND
0827/4
VZ
trans-1,2-Dichloroethene
EPA
601
/l
0.73
ND
08/27/94
VZ
1,1-Dichlo oethane
EPA
601
ug/l
0.78
ND
08/27/94
VZ
Chloroform
EPA
601
ug/l
0.75
ND
08/27/94
VZ
1,1,1-Trschloroethane
EPA
601
ug/l
1.8
ND
08/27/94
VZ
Carbon Tetrachloride
EPA
601
ug/l
0.75
ND
08/27/94
VZ
1,2-D chloroethane
EPA
601
ug/l
0.8
08/27/94
VZ
Trzchloroethene
EPA
601
ug/l
0.8
0827/94
VZ
1,2-D chloropropane
EPA
601
ug/l
0.74
ND
08/27/94
VZ
Bromodichloromethane
EPA
601
u+g/1
0.81
ND
08/27/94
VZ
2-Chloroethylvsnyl ether
EPA
601
ug/l
1.9
ND
08/27/94
VZ
cis-1,3-Dichloropropene
EPA
601
g/l
0.69
ND
08/27/94
VZ
trans-1,3-Dichloropropene
EPA
601
g/l
0.84
ND
08/27/94
VZ
1,1,2-Tr.chloroethane
EPA.
601
g/1
0.86
ND
08/27/94
VZ
Tetrachloroethene
EPA
601
ug/l
0.91
ND
08/27/94
VZ
Dibromochloromethane
EPA
601
g/l
0.8
08/27/94
VZ
Chlorobenene
EPA
601
ug/l
0.82
ND
08/27/94
VZ
Bromoform
EPA
601
ug/l
0.80
ND
08/27/94
V
1,1,2,2,-Tetrachloroethane
EPA
601
ug/l
1.1
ND
08/27/94
VZ
1,3-Dichlorobenzene
EPA
601
ug/l
1.5
ND
08/27/94
VZ
Remarks:
DL = Detection Limit
ND=
Not Detected at the
D
Unless otherwise noted, all
soil test
results are calculated based
on dry weight.
Signed

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-06
Project No. : 5 -0509 T09
Parameter .............................
Method.;...
Units"'
DL........
Results...
Test Date
Analy
-i- CC VOLATILE ORGANIC ALYSIS (A)
RESULTS
--
1,4-Diohlorobenzene
EPA
60
/l
1.2
ND
08/27/94
VZ
1,2-Dichlorobenzene
EPA
601
ug/l
1.2
ND
08/27/94
V
Benzene
EPA
602
g/l
0.48
ND
08/27/94
VZ
Toluene
EPA
602
ug/l
0.78
ND
08/27/94
VZ
thylbenzene
EPA
602
ug/l
0.68
ND
08/'27/94
VZ'
ylenei, Total
EPA
602
ug/l
1.6
ND
08/27/94
VZ
Methyl -tertiary -butyl ether ( BE)
EPA
602
ug/l
1.4
ND
08/27/94
VZ
Isopropyl ether
EPA
60
g/l
10
ND
08/30/94
VZ
Signed

LAW ENVIRON14ENTAL NATIONAL
LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page
___ 'Project
Information
---
Lab Number : 4-8869=07"
Project No. : 56-05 9 T09
Cust. No. :
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
__.Sample
Information ---
Station ID : =7
Sampled
Date/Time :
08/25/94 14:00
Matrix : W
Received
Date/Time :
08/26/94 0 :57
Type : GRAB
Received From/By :
DS/L
Collector : DSG
Chain
of Custody
: 3121`3
Number of
Containers
:; 6
Parameter ..
Method..
Units
DL..
Results.. Test Date
Analy
-- GC ORGANIC YSIS RESULTS
1,2-D romoethan (EDB)
EPA
504
u /l
0.0
09/02/94
BT`
East/1,'2-Dibromoethane (EDB)
EPA
504
N/A
08/31/94
BT
-- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS
--
Dichlorodifluoromethane
EPA
601
ug/l
0.59
ND
08/27/94
VZ
hl ro eth ne
EPA
601
ug/l
0.47
ND
08/27/94
VZ
Vinyl Chloride
EPA
601
ug/l
0.53
ND
08/27/94
VZ
romp ether a
EPA
601
u /l
0.48
ND
08/27/94
VZ
Chloroethane
EPA
601
/l
0.5
08/27/94
V7
Trichlorofluoromethane
EPA
601
ug/l
0.86
ND
08/27/94
VZ
1,1=Dichloroethene
EPA
601
u /l
0.67
ND
08/27/94
V
Methylene Chloride
EPA
601
/l
2.0
ND
08/27/94
VZ
trans-1,2= ichloroet ene
EPA
601
/l
0.73
ND
08/27/94
VZ
1,1=Dichloroethane
EPA
601
ug/l
0.7$
ND
08/27/94
VZ
Chloroform
EPA
601
u /l
0.75
ND
08/27/94
V
1€1,1-Trichloroe thane
EPA
601
ug/1
1.8
ND
08/27/94
VZ
Carbon Tetrachloride
EPA
601
ug/l
0.75
ND
08/27/94
VZ
1€2-Dichloroethane
EPA
601
ug/l
0.89
ND
08/27/94
V
richlo oethene
EPA
601
ug/l
0.83
ND
08/27/94
VZ
1,2=Dichloropropane
EPA
601
ug/l
0.74
ND
08/27/94
VZ
Bromodichloromethane
EPA
601
g/l
0.8
08/27/94
VZ
2=Chloroethylvinyl ether
EPA
601
ug/l -
1.9
ND
08/27/94
VZ
cis-1,3-Dichloropropene
EPA
601
ug/l
0.6
08/27/94
VZ
trans-1,3-Dichloropropene
EPA
601
/l
0.84
ND
08/27/94
VZ
1,1,2-Trichloroethane
EPA
601
a /l
0.86
ND
08/27/94
VZ
etrachloroethe a
EPA
601
ug/l
0.91
ND
08/27/94
V
Dibromochloromethane
EPA
601
ug/1
0.85
ND
08/27/4
V
Chlorobenzene
EPA
601
ug/l
0.82
ND
08/27/4
V
Bromoform
EPA
601
ug/l
0.80
ND
08/27/94
VZ
1,1,2,2,-Tetrachloroethane
EPA
601
ug/l
1.1
ND
08/27/94
VZ
1,3-Dichlorobenzene
EPA
601
ug/l
1.5
ND
08/27/94
VZ
Remarks:
DL C Detection Limit
ND=
Not Detected at the
DL
Unless otherwise noted, all
soil test results are calculated based
on dry weight.
Signed

W ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 9-88-07
Project No. : 5 -0509 T09
Parameter ..
Method..
Units
DL...
Results..
Test Date Analy
-- C VOLATILE ORGANIC A PSIS (AQ),RESULTS -
1,4-Dichlorobenzene
EPA 601
/l
1.2
ND
08/27/94
VZ
1,2-Dichlorobenzene
EPA 601
ug/l
1.2
ND
08/27/94
VZ
Benzene
EPA 602
ug/1
0.48
ND
08/27/94
VZ
Toluene
EPA 602
ug/l
0.78
ND
08/27/94
VZ'
thylbenzene
EPA 602
/l
0.68
ND
08/27/94
Z
ylene,, Total
EPA 602
/l
1.6
ND
08/27/94
VZ
Methyl -tertiary -butyl ether
( BE) EPA 602
ug/l
1.4
ND
08/27/94
VZ
Isopropyl ether
EPA 602
/l
10
ND
08/30/94
VZ
Signed "

W ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project
Information
---
Lab Number : 94-8869-08'
Project No. : 56-0509 T09
Cust.`No. :
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
...-Sample
Information ---
Station ID -8
Sampled
Date/Time :
08/25/94: 14:05
Matrix : W
Received
Date/Time :
08/26/94- 08:57
Type : GRAB
Received From/By ::
DSG/L
Collector : DSG
Chain
of Custody :
31213
Number of
Containers :
6
Parameter ..
Method..
Emits
DL.: Results.. Test Date
Analy
_- GC ORGANIC ANALYSIS RESULTS;--
1,2-Dibromoethane (EDB)
EPA
504
ug/l
0.02
ND
09/02/ 4
B'
Ext/12-Dibromoethane (EDB)
EPA
504
N/A
0/31/94
BT
-- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS
--
Dichlorodifluoromethane
EPA
601
ug/l
0.5
08/31/94
V
Chl r methane
EPA
601
ug/1
0.47
ND
08/31/94
VZ
Vinyl Chloride
EPA
601
ug/1
0.5
08/31/94
VZ
Bromothane
EPA
601
g/1
0.48
ND
08/31/94
V
Chloroethane
EPA
601
ug/l
0.52
ND
08/31/94
V
Trichlorofluoromethane
EPA
601
ug/l
0.8
08/31/94
V
1,1-Dichloroethene
EPA
601
/1
0.67
ND
0/31/94
V
Methylene Chloride
EPA
601
ug/l
2,0
ND
08/31/94
V
trans'-1,2-Dichloroethene
EPA
601
ug/l
0.7
08/31/94
V
1,1-D chlo oethane
EPA
601
ug/l
0.78
ND
08/31/94
V
Chloroform
EPA
601
ug/l
0.75
ND
08/31/4
VZ
1,1,1-Trichloroethane
'EPA
601
ug/l
1.8
ND
08/31/94
V
Carbon Tetrachloride
EPA
601
ug/l
0.75
ND
0/31/4
VZ
1,2-Dichloroethane
EPA
601
ug/l
0.89
ND
08/31/94
V
Trichloroethene'-
EPA
601
ug/l
0.83
ND
08/31/94
V
1,2-Dichloropropane -
EPA
601
ug/l
0.74
ND
08/31/94
VZ
Bromodichloromethane
EPA
601
ug/l
0.81
ND
08/31/94
V
-Chloroethylvinyl ether
EPA
601
ug/1
1.9
ND
08/31/94
VZ
cis-13-Dichloropropene
'EPA
601
ug/1-
0.69
ND
0/31/4
V
trans-1,3-Dschloropropene
EPA
601
u/1
0,84
ND
0/31/4
V
1,1,2-Trichloroethane
EPA
601
ug/l
0.86
ND
08/31/94
VZ
Tetrachloroethene
'EPA
601
ug/l
0.91
ND
08/31/94
VZ
Dibromochlaromethane
EPA
601
u /l
0.85
ND
08/31/94
VZ
Chlorobenzene
EPA
601
ug/l
0.82
ND
08/31/94
VZ
Bromoform
EPA
601
ug/l
0.80
ND
08/31/94
V
1,1,2,2,-T+etrachloro than
EPA
601
ug/l
1.1
ND
08/31/94
VZ
1,3-Dichlorobenene
EPA
601
ug/l
1.5
ND
08/31/4
V
Remarks:
DL = Detection Limit
ND
Not Detected at the
DL
Unless otherwise noted, all
soil test results are calculated based
on dry weight.
Signed
e.

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number: 9-886-08
Project No. : 56-0509 T09
Parameter ................. .............
'Method....
Units
DL......,'.
Results...
'Test mete
Analy
-- GC VOLATILE ORGANIC ANALYSIS (Ate)
RESULTS
-
1,4-Aichlorebenrene
EPA
601
ug/l
1.2
ND
08;/31/94
'9
1,2-Dichloroben ene
EPA
601
ug/l
1.2
ND
08/31/94
V
Benzene
EPA
602
ug/1
0.4
08/31/94
y
oluene
EPA
602
ug/l
0.78
ND
08/31/94
y
ethylbenzone
EPA
602
ug/1
0.68
ND
08/31/94
V
ylene, Total
EPA
602
.g/l
1.6
NO
08/31/94
V
Methyl-tertiary-butyl ether ( BE)
EPA
602
ug/1
1.4
ND
08/31/94
V
Isopropyl ether
EPA
602
ug/l.
10
ND
08/31/94
V
Signed

LAW ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
_-- Project
Information ---
Lab Number : 94-9-09
Project No. : 56-0509 T09
Cust. No.
Project Name a CONOCO 33070
Manager. SHARON TYNDALL
__.Sample
Information ---
Station ID •9
Sampled
Date/Time :
08/25/94 14:10
Matrix : W
Received
Date/Time :
08/2 6/94 i08.57
Type : GRAB
Received'From/By :
DSG/LG
Collector : DSG
Char,
of Custody :
31213
Number of
Containers :
6
Para -meter ..
Method....
Units
DL.. Results.. Vest Date
Analy
- - GC ORGANIC ANALYSIS RESULTS
1,2-Dibromoethane (EDP)
EPA
504
ug/l
0.02
ND
09/02/94
BT
act/1,-Dibromoethane` {EDS)
EPA
504
N/,A
08/31/94
BT
-- GC VOLATILE ORGANIC ANALYSIS (A )
RESULTS
-
ichlorodifluoro ethane
EPA
601
ug/l
0.59
ND
08/31/94
VZ
Chloromethane
EPA
601
ug/l
0.47
ND
08/31/94
V
'vinyl Chloride
EPA
601
ug/l
0.53
ND
08/31/94
VZ
Bromomethane
EPA
601
ug/l
0.48
ND
08/31/94
VZ
Chloroethane
EPA
601
g/l
0.5
08/31/94
VZ
Trichlorofluoromethane
EPA
601
ug/l
0.86
ND
08/31/94
VZ
,1-D chloroethene
EPA
601
ug/l
0.67
ND
08/31/94
VZ
Methylene Chloride
EPA
601
uug/l
2.0
ND
08/31/94
VZ
trams-1,2-Dichldroet ene
EPA
601
uug/l
0.7
08/31/94
VZ
1,1-Dichloroethane
EPA
601
ug/l
0.78
ND
08/31/94
VZ
Chloroform
EFTA
601
ug/l
0.75
ND
08/31/94
VZ
1,1,1-Trichloro thane
EPA
601
ug/1
1.8
ND
08/31/94
V
Carbon Tetrachloride
EPA
601
tag/l
0.7
08/31/94
V
1,2-Dchloroethane
EPA
601
g/1
0.89
ND
08/31/94
V
2rcloroethee
EPA
601
ug/l
0.82
ND
08/31/94
VZ
1,2-D chloropropane
EPA
601
ug/1
0.74
ND
08/31/94
VZ
romodichloromethane
EPA
601
/l
0.8
08/31/94
V
- hloroett ylv^i yl ether
EPA
601
ug/1
1.9
ND
08/31/94
V
cis-1,3-Dichlor+propene
EPA
601
ug/l
0.69
ND
0/1/94
Vs
trans-1,3-Di hloropr gene
EPA
601.
g/l
0.84
ND
08/31/94
V
,1,2-Trichloroethane
EPA
601.
ug/l
0.86
ND
08/31/94
V
'etrachlorrethene
EPA
601
ug/1
0.91
ND
0/31/4
V
Dibro ochloromethane
EPA,
601
ug/l
0.8
08/31/94
V
Chlorsbenene
EPA
601
u/l
0.82
ND
08/31/4
V
Bromoform
EPA
601
g/l
0.80
ND
08/31/94
V
1,1,2,,-Tetrachloroethane
EPA
601
ug/1
1.1
ND
0/31/94
VZ
1 3-D chloroben ene
EPA
601
ug/l
1.5
ND
08/31/94
VZ
Remarks
DL = Detection Limit
ND
Not Detected at the
DL
Unless otherwise noted, all
soil test
results are calculated based
on dry weight.
Signed m6kj-

LAW ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-09
Project No. : 56-0509 T09
Parameter .............................. Method....
Units
DL ........
Results...
Test Date
Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS --
1,4-Dichlorobenzene
EPA 601
ug/l
1.2
ND
08/31/94
VZ
1,2-Dichlorobenzene
EPA 601
ug/l
1.2
ND
08/31/94
VZ
Benzene
EPA 602
ug/l
0.48
ND
08/31/94
VZ
Toluene
EPA 602
ug/1
0.78
ND
08/31/94
VZ
Ethylbenzene
EPA 602
ug/l
0.68
ND
08/31/94
VZ
Xylene, Total
EPA 602
ug/l
1.6
ND
08/31/94
VZ
Methyl -tertiary -butyl ether (MTBE)
EPA 602
ug/l
1.4
ND
08/31/94
VZ
Isopropyl ether
EPA 602
ug/l
10
ND
08/31/94
VZ
Signed

LAW ENVIRON14ENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
- Project information ---
Lab Number : 4-88 9-10
Project No. : 5 -0509 T09 Cu t. No.
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
-Sample Information ---
Station ID
-10
Sampled bate/Time :
08/',
Matrix
: W
Received Date./'Mime :
08/
Type
: GRAB
Received From/By :
DSG
Collector
: DSG
Chain of Custody :
312
Number of Containers :
6
Parameter . .... ....................... Method.... Units DL. ...... Results...
-- GC ORGANIC ANALYSIS RESULTS --
1,2-Dromothan (EDB)
EPA
504
ug/l
0.02
ND
0
t/1,;2-Dibromoethane (EDB)
EPA
504
N/A
O€
-- GC VOLATILE ORGANIC ANALYSIS (A )
RESULTS
--
ichlorodif'luoro ethane
EPA.
601
ug/1
0.59
ND
Of
hloromethne
'EPA
601
g/l
0.47
ND
O€
Vinyl Chloride
EPA
601
ug/l
0.53
ND
Of
Bromomethae
EPA
601
ug/l
0.48
ND
Of
Chloroethane
EPA
601
ug/l
0.52
ND
Of
Trichlorofluoromethane
EPA
601
ug/l
0.86
ND
Of
1,1-Dichloroethene
EPA
601
g/l
0.67
ND
Of
Methylene Chloride
EPA
601
g/l
2.0
ND
Of
trans-1,2-Dichloroethene
EPA
601
ug/l
0.73
ND
01
1,1-Dichloroethane
EPA
601
ug/l
0.78
ND
01
Chloroform
EPA
601
u /l
0.75
ND
01
1,1,1-Trichloroethane
EPA
601
ug/l
1.8
ND
01
Carbon Tetrachloride
EPA
601
ug/l
0.75
ND
01
1,2-Dichloroethane
EPA
601
ug/l
0.89
ND
01
Trsehlor ethene
EPA
601
ug/l
0.83
ND
01
1,2-Dichloropropane
EPA
601
u/1
0.74
ND
01
Bromodichloromethane
EPA
601
ug/l
0.81
ND
Oa
2-Chloroethylvinyl ether
EPA
601
ug/l
1.9
ND
01
cis-1,3-Dichlorcpropene
EPA
601.
ug/l
0.69
ND
O
trans-1,3-Dichloropropene
EPA
601
g/l
0.84
ND
01
1,1,2-Trichloroethane
EPA
601
g/l
0.86
ND
01
Tetrachloroethene
EPA
601
ug/l
0.91
ND
0,
Dibromochlorome hane
EPA
601
g/l
0.85
ND
0,
Chloroben ene
EPA
601
g/l
0.82
ND
0,
Bromoform
EPA
601
ug/l
0.80
ND
0'
1,1,22,-Tetracloroethane
EPA
601
ug/l
1.1
ND
O'
1,3-Dichlorobenzene
EPA
601
/l
1.5
ND
0;
Remarks:
DL = Detection Limit
ND=
Not Detected at the
DL
Unless otherwise noted, all
soil test
results
are calculated based
on d
Signed

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
tte 09/14/94
tge
Lab Number : 94-8869-10
>roject No. : 56-0509 T09
tr ter ..............................
Method....
units
DL........
Results...
Test Date
Analy
. GC VOLATILE ORGANIC ANALYSIS {AQ}'RESULTS
--
4-Dichlorobenene
EPA
601
/1
1.2
ND
08/'31/94
VZ
2-Dlchlorobenxene
EPA
601
ug/l
1.2
ND
08/31/94
VZ`
�n ene
EPA
602
ug/l
0.4
08/31/94
VZ'
)luene
EPA
60
g/l
0.78
ND
08/31/94
VZ
:hylben ene
EPA
60
g/l
0.6
08/31/94
VZ'
rlene, Total
EPA
60
/l
1.6
ND
08/31/94
VZ'
ethyl -tertiary --butyl ether (EE)
EPA
60
g/l
1.4
ND
08/31/9
VZ
;opripyl ether
EPA
60
g/l
10
ND
08/31/94
VZ

LAW ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT'
Date 09/14/94
Page 1
--- Project
Information
---
Lab Number : 4-88-11
Project No. : 56-0509 T09
Cut. No. :-
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
- Sample
information ---
Station I -11
Sampled
Date/Time :
08/25/94 14:20
Matrix : W
Received
Date/Time :
08/2 /94 08:57
Type : GRAB
Received, From/By :
DSG/LG
Collector : DSG
Chain of Custody :
31213
Number of
Containers :
6
Parameter ..
Method..
Units
DL..
Results.. Test Date
Analy
-- GC ORGANIC ANALYSIS RESULTS '--
1,2-D ro o than (EDB)
EPA
504
ug/l
0.022
0.21
09/13/94
BT
Et/1,2-Dibromoethane`(EDB)
EPA
504
N/A
08/31/9
BT
- GC VOLATILE ORGANIC ANALYSIS' (A )
RESULTS
--
Dichlorodifluoromethane
EPA
601
ug/l
0.59
ND
08/30/94
VZ
Chlorormethane
EPA
601
ug/l
0.47
ND
08/30/94
VZ
Vinyl Chloride
EPA
601
u/l
0.53
ND
08/30/94
VZ'
Bromom tha a
EPA
601
ug/l
0.48
ND
08/30/94
VZ
Chloroethane
EPA
601
g/l
0.5
08/30/94
VZ
Trichlorofluoromethan
EPA
601
ug/l
0.8
08/30/94
VZ
1,1-Dichloroethene
EPA
601
u/l
0.67
ND
08/30/94
VZ'
Methylene Chloride
EPA
601
ug/l
2.0
ND
08/30/94
VZ<
trans-1,2-Dichloroethene
EPA
601
ug/l
0.73
ND
08/30/94
VZ
1,1-Dichloroethane
EPA
601
ug/l
0.78
ND
08/30/94
VZ
Chloroform
EPA
601
rag/l
0.7
08/30/94
V
1,1,1-Trichloroethane
EPA
601
ugt/l
1.8
ND
08/30/94
VZ
Carbon Tetrachloride '
EPA
601
g/l
0.75
ND
08/30/94
VZ
,2-D chloroethane
EPA
601
u /l
0.89
18
08/30/94
VZ
Trichloroethene
EPA
601
ug/l
0.8
08/30/94
VZ
,2-Dichlororopane
EPA
601
ug/l
0.74
ND
08/30/94
VZ
Bromodichloromethane
EPA
601
u/l
0.81
ND
08/30/94
VZ
-Chloroethylvinyl ether
EPA
601
ug/l.
1.9
ND
0/30/4
VZ
cis-13-Dichloropropene
EPA
601
ug/l
0.6
08/30/4
VZ
trans-1,3- ichlcropropene
EPA
601
a /l
0.84
ND
08/30/94
V
1,1,-Triclorothane
EPA
601
u/l
0.8
08/30/94
VZ
Tetrachloroethene
EPA
601
ug/l
0.91
ND
0/30/4
VZ
Dibromochlorometh a
EPA
601
ug/l
- 0.8
08/30/94
VZ
Chlorobenzene
EPA
601
ug/l
0.8
08/30/94
V
Bromoform
EPA
60`1
ug/l
0.80
ND
0/30/4
VZ
1,1,2,2,-Tetrach:loroethane
EPA
601
ug/l
1.1
ND
0/30/4
V
,3-D.chloobenzene
EPA
601
g/l
1.5
ND
0/0/4
V
Remarks:
DL = Detection Limit
ND=
Not Detected at the
DL
Unless otherwise noted, all
soil test
results are calculated based
on dry weight.

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page
Lab Number : 94-8869-11
Project No. ; 56-0509 T09
Parameter .... .. ..
Method..
Units
DL....
Results.
Test Date Analy
-- CC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS --
,4-D chlor enz ne
EPA
601
ug/l
1.2
ND
08/30/94
VZ'
,2-Dichlorobenen
EPA
601
g/l
1.2
ND
08/30/94
VZ
Benzene
EPA
60
g/l
0.48
510
09/01/94
VZ!
Toluene
EPA
60
g/l
0.78
5.4
08/30/94
VZ
Ethylbenzene
EPA
602
ug/l
0.68
ND
08/30/94
VZ
ylene, Total
EPA
60
g/l
1.6
170;
09/01/94
VZ
Methyl -tertiary -butyl ether ( ESE)
EPA
602
ug/l
1.4
ND
08/30/94
VZ
Isopropyl ether
EPA
602
g/l
10
120
09/01/94
VZ
Signed 44"
vJ

LAW ENVIRONMENTAL NATIONAL LABORATORIES
"TEST DATA REPORT`
Date 09/14/94
Page 1
--- Project Information ---
Lab Number : 4-889-12
Project No. : 6-0509 T09 Cust. No. :
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
-Sample Information ---
Station ID -12 Sampled irate/Time : 08/25/94 14:25
Matrix : W Received Date/Time : 08/ /94 08:57
Type : GRAB Received From/By : DSO/LG
Collector : DSG Chain of Custody : 31215
Number of Containers :6
Parameter .. Method., Units DL.. Results.. Teat Date Analy
-- GC ORGANIC ANALYSIS RESULTS -_
1,2-D romoethan (EDB) EPA 504 ug/1 0.02 ND 09/02/94 BT
t/1,2-Dib omoethane (EDB) EPA 504 N/A 08/31/94 BT
- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
Dichlorodifluoromethane EPA 601 ug/1 0.59 ND 08/31/94 VZ
Chloro ethane EPA 601 ug/l 0.47 ND 08/31/94 VZ
Vinyl Chloride EPA 601 ug/l 0.5 08/31/94 VZ
Bromomethane EPA 601 ug/1 0.48 ND 08/31/94 VZ
Chloroethane EPA 601 ug/1 0.5 08/31/94 VZ'
ri hlorof uoro ether EPA 601. ug/1 0.8 08/31/94 VZ
,1-Dichloroethene EPA 601 ug/1 0.67 ND 08/31/94 VZ
Methylene Chloride EPA 601 ug/1 2.0 ND 08/31/94 VZ
trans-1,2-Dichloroethene EPA 601 ug/l 0.7 08/31/94 VZ
1,1-Dichloroethane EPA 601 ug/1 0.78 ND 0/31/4 VZ
Chloroform EPA 601 ug/l 0.7 08/31/94 VZ
1,1,1a-Trichloroethane EPA 601 ug/l 1.8 ND 08/31/94 VZ
Carbon: Tetrachloride` EPA 601 ug/l 0.75 ND 08/31/94 VZ
,2-D chloroethane EPA 601 ug/l 0.89 ND 08/31/94 V
Trichloroethene: EPA 601 ug/1 0.83 NO 08/31/94 VZ
1,2-Dchloroproane EPA 601 ug/1 0.74 ND 08/31/94 VZ
Bromodichloromethane EPA 601 ug/1 0.81 ND 0/31/9 VZ
-chloroethylvinyl ether EPA 601 u/l 1.9 ND 08/31/94 VZ
cis-1 3-Dichloropropene EPA 601 ug/1 0.69 ND 08/31/94 V
trans-1,3-7Dichloropropene' EPA 601 ug/l 0.84 ND 08/31/94 VZ
,1.,2-Tric lord than EPA 601 g/l 0.8 08/31/94 VZ
Tetrachloroethene EPA 601 ug/1 0.91 ND 08/31/94 V
Dibromochloromethane EPA 601 ug/1 0.8 0/31/4 V
hlorobenzene EPA 601 ug/l 0.8 08/31/94 VZ
Bromoform EPA 601 ug/l 0.80 ND 08/31/94 V
1,1,2 2,-Tetrachloroethane EPA 601 ug/l 1.1 ND 08/31/94 VZ
1,3-D chlo oben ene EPA 601 ug/l 1.5 ND 08/31/94 VZ
Remarks:
DL : Detection Limit ND= Not Detected at the DL
Unless otherwise noted all soil test results are calculated based on dry weight.
Signed

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page
Lab Number : 9-89-12
Project N. : 56-0509 T09
Parameter ..............................
Method..
units
DL........
Results..
Test Date
Analy
-- GC VOLATILE ORGANIC AL"Y`SIS (AQ)
RESULTS
--
1,4-Dichlorobenzene
EPA
601
g/l
1.2
ND
08/31/94
VZ
1,2-Dichloroben ene.
EPA
601
ug/l
1.2
ND
08/31/94
VZ
Benzene
EPA
60
/l
0.48
ND
08/31/94
VZ
Toluene
EPA
602
a /l
0.7
08/31/94
VZ'
thylbenzene
EPA
602
g/l
0.68
ND
08/31/94
VZ
Xylene, Total
EPA
60
/l
1.6
ND
08/31/94
VZ<
Methyl -tertiary -butyl ether ( E)
EPA
602
g/l
1.4
ND
08/31/94
VZ
Isopropyl ether
EPA
602
ug/l
10
ND
08/31/94
VZ
Signed

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project Information ---
Lab Number : 94-8869-13
Project N. : 6-0509 T09 Cust. No.
Project Name p CONOCO 33070
Manager- SHARON TYNDALL
-Sample information ---
Station ID -13 Sampled Date/Time 08/25/94 14:30
Matrix : W Received Date/Time .'08/26/94 08:57
Type ® GRAB Received From:/By : DSG/LG
Collector : DSG Chain of Custody 31215
Number of Containers
Parameter ... Method.. Emits DL.m Results.. Test Date Analy
-- GC ORGANIC ANALYSIS RESULTS --
1,2-Dibromoethane (EDB) EPA 504 ug/l 0,02 ND 09/02/94 BT
Ext/1,2-Di romp thane (EDB) EPA 504 N/A; 08/31/94 BT
GC VOLATILE ORGANIC ANALYSIS' (A ) RESULTS --
Dichlorodifluoromethane EPA 601 ug/1 0.59 ND 08/31/94 VZ
Chloromethane EPA 601 ug/1 0.47 ND 08/31/94 VZ
Vinyl ;Chloride EPA 601 ug/l 0.5 08/31/94 VZ'
Bromomethane EPA 601 ug/l 0.4 08/31/94 VZ'
Chloroethane EPA 601 ug/l 0.5 08/31/94 VZ
Trichlorofluoromethane EPA 601 g/l 0.86 ND 08/31/94 VZ'
1,1-Dichloroethene EPA 601 ug/l 0.67 ND 08/31/94 VZ
Methylene Chloride EPA 60 g/1 2.0 ND 08/31/94 VZ
trans-1,2- ichl roet ene EPA 601 l 0.7 08/31/94 VZ
1,1-Dchlooethane EPA 601 ug/l 0.78 ND 08/31/94 V
Chloroform EPA 601 g/1 0.75 1.1 08/31/94 VZ
1,1,1-Trichloroethane EPA 601 /l 1.8 ND 08/31/94 VZ
Carboni Tetrachloride EPA 601 g/l 0.7 08/31/94 VZ
1,2-Dichloroethane EPA 601 ug/l 0.89 ND 08/31/94 VZ
Trichloroethene EPA 601 g/l 0.8 08/31/94 V
,2-Dichlooroane EPA 601 ug/l 0.74 ND 08/31/4 V
Bromodichloromethane EPA 601 ug/l 0.81 ND 08/31/94 V
-Chloroetylvinyl ether EPA 601 g/1 1.9 ND 0/31/4 V
cis-13-Dichloropropene EPA 601 ug/l 0.69 ND 0/31/4 V
trans-1,3-Dichloropropene< EPA 601 ug/l 0.84 ND 08/31/94 V
1,1,2-Trichloroethane EPA 601 ug/l 0.8 08/31/94 VZ
Tetrachloroethene EPA 601 ug/l 0.91 ND 08/31/94 V
Dibromochloromethane EPA 601 ug/l 0.85 ND 0/31/4 VZ
Chlorobenrene EPA 601 ug/l 0.82 ND 08/31/94 V
Bromoform EPA 601 ug/l 0.80 ND 08/31/94 VZ
,1,2,-Ttrachlorothane EPA 601 ug/l 1.1 ND 0/314 V
1,3-Dichlo obenZene EPA 601 ug/l 1.5 ND 08/31/94 V
Remarks:
DL = Detection Limit ND= Not Detected at the DL
Unless otherwise: noted, all soil test results are calculated based on dry weight.
Signed A��-k

LAW ENVIRONMENTAL NATIONAL 'LABORATORIES
TEST DATA REPORT
ate 09/14/94
age
Lab Number : 9-8869-13
Project No. : 56-0509 T09
ar eter..
Method..
Units
DL..
Results.:
Test Date Analy
- GC VOLATILE ORGANIC A YSIS (AQ);RESULTS
-
,4-Dichlor benzene
EPA
601,
ug/l
1.2
ND
08/31/94
VZ
,2-Dichlorcbenzene
EPA
601
ug/l
1.2
ND
08/31/94
VZ
snzene
EPA
602
/1
0.48
ND
08/31/94
VZ
:�luene
EPA
602
a /1
0.78
ND
08/31/94
V
thylbenzene
EPA
602
a /l
0.68
ND
08/31/9'
VZ
yrlene Total
EPA
602
u,g/1
1.6
ND
08/31/94
VZ
ethyl -tertiary -butyl ether ( BE)
EPA
602
ug/l
1.4
ND
08/31/94'
VZ
sopropyl ether
EPA
602
ug/l
10
ND
08/31/94
VZ
Signed

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project Information ---
Lab Number e 94-8869-14
Project No. : 6-0509 T09 Cust. No. ;
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
-Sample information ---
Station ID s -14 Sampled Date/Time : 08/25/94 14:35
Matrix : W Received mate/Time :' 08/ 6/ 4 08:57
Type GRAB Received From/By DSG/LG
Collector DSG Chain of Custody : 3125
Number of Containers z 6-
Parameter .. Method.. Units DL. Results.. Test Date Analy
- - GC ORGANIC ANALYSIS RESULTS - -
1,2-Dibromoethane (EDB) EPA 504 ug/l 0.02 ND 0 /0 / 4 BT
t/1 2-Di ro o than (EDB) EPA 504 N/A 08/31/94 B'
-- GC VOLATILE ORGANIC ANALYSIS (A ) RESULTS --
Dichlorodi luoromethane EPA 601 a /l 0.59 ND 09/01/94 V
hloromethane EPA 601 g/l 0.47 ND 09/01/94 VZ
Vinyl Chloride EPA 601 g/l 0.5 09/01/94 V
Bromomethaxe EPA 601 ug/l 0.4 09/01/94 VZ
hloroetha e EPA 601 ug/1 0.5 09/01/94 V
Trichlorofluoromethane EPA 601 ug/l 0.86 ND 001/94 VZ
1,1-D chlo oeth ne EPA 601 ug/l 0.67 ND 09/01/94 V
Methylene Chloride EPA 60`1 ug/l 2.0 ND 09/01/94 V
trans-1,-Dichloroethene EPA 601 ug/1 0.73 ND 09/01/94 V
1,1-D chloroethane EPA 601 ug/1 0.78 ND 09/01/94 VZ
Chloroform EPA 601 ug/l 0.75 ND 0/01/94 V
1,1,1 Trichlorooth.ane EPA 601 ug/l 1.8 ND 09/01/94 V
Carbon Tetrachloride EPA 601 ug/1 0.75 ND 09/01/94 V
,2-Dichloroethane EPA 601 ug/l 0.89 ND 09/01/94 VZ
Trichloroethene EPA 601 ug/1 0.83 ND 09/01/94 VZ
1,2-Dichlo opropane EPA 601 ug/l 0.74 ND 09/01/94 VZ
Bromodichloromethane EPA 601 a /l 0.81 ND 09/01/94 VZ
2-Chloroetylvinyl etcher EPA 61 ug/l 1.9 ND 0/01/4 VZ
cis-1,3-Dichloropropene EPA 601 ug/l 0.69 ND 09/01/94 VZ
trans'-1,3-Dichloropropene EPA 61 ug/1 0.84 ND 09/01/94 V
,1,2-Trichloroethane EPA 601 ug/l 0.8 09/01/94 VZ
Tetrachloroethene EPA 601 ug/l 0.91 ND 09/01/94 VZ
Dibro ochl come hane EPA 601 ug/l 0.85 ND 09/01/94 VZ
Chlorobenzene EPA 61 ug/l 0.82 ND 09/01/4 VZ
Bromoform 'EPA 601 ug/l 0.80 ND 09/01/94 VZ
1,1,2',2,-Tetrachloroethane EPA 601 ug/l 1.1 ND 09/01/94 VZ
1,3-Dichlo obenzene EPA 601 ug/l 1.5 ND 09/01/94 VZ
Remarks:
DL = Detection Limit ND Not Detected at the DL
Unless otherwise noted, all soil test results are calculated based on dry weight.
Signed A4

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
)ate 09/14/94
gage 2
Lab Number : 94-8869-14
Project No. : 56-0509 T09
'ar ter.> ....
Method..
Units
DL...
Results..
Test Date Analy
_ - GC VOLATILE ORGANIC ANALYSIS (AQ) ;
RESULTS
- -
,4-D chlorobenzene
EPA
601
ug/l
1.2
ND
09/01/94
VZ
.,-Dichlorobenzene
EPA
601
g/l
1.2
ND
09/01/94
VZ
3enzene
EPA
602
ug/l
0.48
ND
09/01/94
VZ
"oluene
EPA
60
g/l
0.7
09/01/94
VZ
thylbenzene
EPA
602
ug/l
0.68
ND
09/01/94
VZ
Cylene, Total
EPA
602
ug/l
1.6
ND
09/01/94
VZ
iethyl-tertiary-butyl ether ( BE)
EPA
602
ug/l
1.4
ND
09/01/94
VZ
:sopropyl ether
EPA
602
u /l
10
ND
09/01/94
VZ
Signed

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date /1/9
Page 1
---_Project Information ---
Lab Number : 4-8-15
Project No. : 6-0509 T09 Cust. No.
Project Name ; CONOCO 33070
Manager: SHARON TYNDALL
--_ Sample information _--
Station ID : -15
Matrix : W
Type : GRAB
Collector : DSO
Parameter ..............................
Method..... U
- GC ORGANIC ANALYSIS RESULTS
1,2-Dibromoethane (EDB)
EPA
54 u,
xt/1,2-Dibromoethane (EDB)
EPA
50
- GC VOLATILE ORGANIC ANALYSIS
(AQ) RESULTS
--
Dichlorodifluoromethane
EPA
601 u
Chloromethane
EPA
601
Vinyl Chloride
EPA
601 u
Bromomethane
EPA
601. U
Chloroethane
EPA
601
Trichlorofluoromethane
EPA
601 u
1,1-Dichloroethene
EPA
601 u
Methylene Chloride
EPA
601 u
tr s-1,2-Dichloroethene
EPA
601 u
1,1-Dichloroethane
EPA
601 u
Chloroform
EPA
601 u
1,1,1-Trichloroethane
EPA
601 is
Carbon Tetrachloride'
EPA
601 u
1,2-Dichloroethane
EPA
601 v
Trichloroethene
EPA
601 U
1,2-Dichloropropane
EPA
601 u
Bromodichloromethane
EPA
601 u
-Chloroethylvinyl ether
EPA
601 i
cis-13-Dichloropropene
EPA
601
trans-1,3- ichloropr gene
EPA
601
1,1,2-Trichloroethane
EPA
601 v
Tetrachloroethene
EPA
601
Dibromochloromethane-
EPA
601
Chlorobenzene
EPA
601 t
Bromoform
EPA
601 t
1,1,22,-Ttrahlorothan
EPA
601 x
1,3-Dichloroenzene
EPA
61
Remarks:
DL : Detection Limit
Unless otherwise noted, all soli test r
Lts DL........ Results.. Test Date Analy
11
0.0
09/02/94
BT
N/A.
08/31/ 4
BT
/1
0.59
ND
09/01/94
V
/l
0.47
ND
09/01/94
V
/1
0.5
0/01/94
V
/1
0.4
09/01/94
VZ
/1
0.5
0/01/4
V
/1
0.86
ND
0/01/4
V
/1
0.6
0/01/4
V
/1
2.0
ND
09/01/94
V
/1
0.7
0/01/4
V
/1
0.78
ND
09/01/94
VZ
/1
0.75
2.6
0/01/4
V
/1
1.8
ND
09/01/94
VZ
/1
0.7
09/01/94
VZ
/1
; 0.89
ND
09/01/94
VZ
/1
0.8
09/01/94
VZ
/1
0.7
0/01/
V
/1
0.81
ND
0/01/4
V
/1
' 1.9
ND
09/01/94
VZ
/1
0.69
ND
09/01/94
VZ
/1
0.84
ND
09/01/94
VZ
/1
0.86
ND
09/01/94
VZ
/1
0.9`1
ND
0/01/4
V
/1
0.85
ND
0/01/94
VZ
'/l
0.82
ND
09/01/94
V
/1
0.80
ND
09/01/94
V
i/l
1.1
ND
09/01/94
VZ
r/1,
1.5
ND
0/01/4
VZ
M
- Not Detected at the
D
.s
are calculated based
can dry weight.`
* ' --A 118 iji'l
V. V\J

W ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab N : 94-8869-1
Project No. : 6-0509 T09
Parameter .
Method....
Units
DL..
Results...
Test Date
Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS -
,4-Dichloroben ene
EPA 601
ug/l
1.2
ND
09/01/94
VZ
1,2-Dichlorobenzene
EPA 601
ug/1
1.2
ND
0/01/94
VZ
Benzene
EPA 602
ug/l
0.45
ND
09/01/94
VZ'
Toluene
EPA 602
a /l
0.78
ND
09/01/94
V
thylbenzene
EPA 602
ug/l
0.6
09/01/94
VZ'
ylene, Total
EPA 602
ug/1
1.6
ND
0/01/94
VZ'
Methyl, -tertiary -butyl ether
(MTEE) EPA 602
ug/l
1.4
ND
09/01/94
VZ`
Isopropyl ether
EPA 602
a /l
10
ND
09/01/94
VZ
Signed

W ENVIRONMENTAL
NATIONAL
LABORATORIES
'BEST DATA REPORT
Date 9/1/94
Page 1
--- Project
information ---
Lab Number : 4-89-16
Project No. : 6-0509 T09
Cust. No. :
Project N : CONOCO 33070
Manager: SHARON TYNDALL
_--Sample
information ---
Station ID : W-1
Sampled
Date/Time :;08/2/94
15:4
Matrix : W
Received
Date/Time :
0/2/ 08:57
Type : GRAB
Received From By :
DSG/LG
Collector : DSG
Chain
of Custody :`31215
Number of
Containers :
6
Parameter ..
Method.
Units
DL..
Results.. Test Date
Analy
-- GC ORGANIC ANALYSISRESULTS --
1 2-Dibromoethane(EDB)
EPA
504
ug/l
0.02
ND
09/02/94
BT'
E t/1,2-Dibromoethane (EDB)
EPA
50
N/A.
08/31/9
BT
- GC VOLATILE ORGANIC ALYSIS (AQ)
RESULTS
-_
Dichlorodifluoromethake
EPA
601
ug/l
0.59
ND
09/01/94
v
Chloromethane
EPA
601
ug/l
0.47
ND
09/01/94
VZ
Vinyl Chloride
EPA
601
u/1
0.53
ND
09/01/94
VZ
Bromomethane
EPA
60I
ug/l
0.48
ND
09/01/94
VZ
Chloroethane
EPA
601
u/1
0.52
ND
09/01/94
VZ
Trichlorofluoromethane
EPA
601
ug/l
0.8
09/01/94
VZ'
1,1-Dichloroethee
EPA
601
/l
0.67
ND
09/01/94
VZ
Methylene Chloride
EPA
601
ug/l
2.0
ND
09/01/94
VZ
trans-1,2-Dichloothne
EPA
601
g/l
0.73
ND
09/01/94
VZ
1,1-Dichloroethane
EPA
601
u/l
0.78
ND
09/01/94
VZ
Chloroform
EPA
601
ug/1
0.7
09/1/94
VZ
1,1,1-Trichloroethane
EPA
601
ug/l
1.8
ND
09/01/94
VZ
Carbon Tetrachloride
EPA
601
tag/l
0.75
ND
09/01/94
VZ
1,2-Dichloroethane
EPA
601
ug/l
0.89
ND
09/01/94
VZ
Trichloroethene;
EPA
601
ug/l
0.83
ND
09/01/94
VZ
1,2-Dschloropropane
EPA
601
ug/1
0.74
ND
09/01/94
VZ
Bromodichloromethane
EPA
601
ug/l
0.81
ND
09/01/94
VZ
2-Chlroethylvinyl ether
EPA
601
ug/l
1.9
ND
09/01/94
VZ
cis-1,3-Dichloropropene
EPA
601
ug/l
0.69
ND
09/01/94
VZ
trans-1,3-Dichloropropene
EPA
601
ug/l
0.84
ND
09/01/94
VZ
1,1,2-Tric loroethan
EPA
601
ug/l
0.85
ND
09/01/94
VZ
Tetrachloroethene
EPA
601
ug/1
0.91
ND
09/01/94
VZ
Dibromochloromethane
EPA
601
ug/1
0.85
ND
09/01/94
V
Chlorobenene
EPA
601
ug/1
0.82
ND
09/01/94
V
Bromoform
EPA
601
ug/l
0.80
ND
0/01/94
V
1,1,22,-Tetracloroethane
EPA
601
g/l
1.1
ND
09/01/94
V
1,-hlorobenene
EPA
601
u/l
1.5
ND
09/01/94
VZ
Remarks:
DL = Detection Limit
ND=
Not Detected at the
DL
Unless otherwise noted,, all
soil test
results are calculated based
on dry weight.
Signed —�a

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
tte 09/14/94
to 2
Lab Number s 94-69-16
wroject No. : 56-0509 T09
tr eter..
, Method.,
Units
DL..
Results..
Test Date Analy
CC VOLATILE ORGANIC ALYIS (AQ)'RESULTS
-
4-Dichloroben ene
EPA
601
ug/l
1.2
ND
09/01/94
VZ
2-Dichlorobenzene
EPA
601
ug/l
1.2
ND
09/01/94
VZ
tnxene
EPA
602
ug/l
0.48
ND
09/01/94
VZ
rluene
EPA
602
u/l
0.78
ND
001/94
VZ
,hylbenene
EPA
602
g/l
0.68
ND
09/01/94
VZ'
rlene® Total
EPA
602
ug/l
1.6
ND
09/01/94
VZ
ethyl -tertiary -butyl ether (E)
EPA
602
ug/l
1,4
ND
09/01/94
VZ
taprapyl ether
EPA
602
ug/l
10
ND
09/01/94
VZ
Signed

LAW ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project
Information ---
Lab N 4-89-17
Project No. : 56-05 9 T09
C st. No.
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
--- Sample
Information ---
Station ID : W-2
Sampled
Date/Time :
08/ 5/94 15:1
Matrix ; W
Received
Date/Tame s
08/26/94 08:57
Type : GRAB
Received From/By ;'DSG/LG
Collector : DSG
Chain
of Custody :
31215
Number of
Containers :
6
Parameter ..
Method...
Units
DL.. Results,. Test Date
Analy
_;- GC ORGANIC ANALYSIS RESULTS --
1,2-Dibromoethane (EDB)
EPA
50
/l
0.02
ND
09/02/9
BT
Et/1,2-Dibromoethane (EDB)
EPA
504
N/A
08/31/94
BT,
- GC VOLATILE ORGANIC ALYSIS (AQ)
RESULTS
ichlorodifluoromethane
EPA
61
g/1
0.59
ND
0/01/94
V
Chloromethane
EPA
601
ug/l
0.47
ND
09/01/94
VZ
Vinyl Chloride
EPA
601
u /l
0.53
ND
09/01/94
VZ
Bromomethane
EPA
60
g/1
0.48
ND
09/01/94
'VZ
Chloroethane
EPA
60`
g/1
0.52
ND
09/01/94
VZTrichlorofluoromethane
EPA
601
ug/l
0.86
ND
09/01/94
VZ
1,1-Di hloroethene
EPA
601
ug/l
0.6
09!/01/94
V `
Methylene Chloride
EPA
601
g/l
2.0
ND
09/01/94
VZ
trans-1,2-Dichlooethene
EPA
601
g/1
0.7
09/01/94
VZ
1,1-Dichloroethane
EPA
601
ug/l
0.7
09/01/94
VZ
Chloroform
EPA
601
ug/l
0.75
ND
09/01/94
VZ
1,1,1-Trichloroethane
EPA
601
ug/1
1.8
ND
09/01/94
VZ
Carbon Tetrachloride
EPA
601
ug/l
0.75
ND
09/01/94
VZ
1,2-D chlo oeth ne
EPA
601
ug/l
0.8
09/01/94
V
Trichloroethene
EPA
601
g/l
0.83
ND
09/01/94
VZ
1,2-Dichloropropane
EPA
601
g/1
0.74
ND
09/01/94
'V
Bromoc'ichloromethane
EPA
60
g/l
0.82
ND
09/01/94
V
-Chloroethylvinyl ether
EPA
601
ug/l
1.9
ND
09/01/94
V
cis-1,3-Di hlor propene
EPA
601
g/l
0.6
09/01/94
VZ
trans-1,3-Dichloropropene
EPA.
601
ug/l
0.84
ND
09/01./994
VZ
1,1,2-Trschloroethane
EPA
601
ug/l
0.86
ND
0/01/94
VZ
Tetrachloroethene
EPA
601
ug/l
0.91
ND
09/01/94
VZ
Dibromochloromethane
EPA
601
ug/l
0.85
ND
09/01/94
VZ
Chlorobenene
EPA
601
ug/l
0.82
ND
09/01/94
VZ
Bromoform
EPA
601
g/l
0.80
ND
09/01/94
VZ
1,1,2,,-Tetrachloroethane
EPA
601
g/l
1.1
ND
09/1/94
VZ
,3-Dichlorobenzene
EPA
601
ug/l
1.5
ND
09/01/94
VZ
Remarks:
DL = Detection Limit
ND_
Not Detected at the
DL
Unless otherwise noted, all
soil test
results are calculated based
on dry weight.
Signed 44--

LAW ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-17
Project No. : 56-0509 T09
Parameter ..............................
Method....
Units
DL ........
Results...
Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene
EPA 601
ug/l
1.2
ND
09/01/94
VZ
1,2-Dichlorobenzene
EPA 601
ug/l
1.2
ND
09/01/94
VZ
Benzene
EPA 602
ug/l
0.48
ND
09/01/94
VZ
Toluene
EPA 602
ug/l
0.78
ND
09/01/94
VZ
Ethylbenzene
EPA 602
ug/l
0.68
ND
09/01/94
VZ
Xylene, Total
EPA 602
ug/l
1.6
ND
09/01/94
VZ
Methyl -tertiary -butyl ether
(MTBE) EPA 602
ug/l
1.4
ND
09/01/94
VZ
Isopropyl ether
EPA 602
ug/l
10
ND
09/01/94
VZ
Signed

LAW ENVIRON14ENTAL NATIONAL LABORATORIES
TEST DATA REPORT
-
DL = Detection Limit ND = Not Detected at the D
Unless otherwise noted, all soil test results are calculated based on
Signed Q-M4-
DL = Detection Limit ND = Not Detected at the D
Unless otherwise noted, all soil test results are calculated based on
Signed Q-M4-

LAW ENVIRONMENTAL NATIONAL
LABORATORIES
TEST DATA
REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-18
Project No. : 56-0509 T09
Parameter ..............................
Method....
Units
DL ........
Results...
Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene
EPA 601
ug/l
1.2
ND
09/01/94
VZ
1,2-Dichlorobenzene
EPA 601
ug/l
1.2
ND
09/01/94
VZ
Benzene
EPA 602
ug/l
0.48
ND
09/01/94
VZ
Toluene
EPA 602
ug/l
0.78
ND
09/01/94
VZ
Ethylbenzene
EPA 602
ug/l
0.68
ND
09/01/94
VZ
Xylene, Total
EPA 602
ug/l
1.6
ND
09/01/94
VZ
Methyl -tertiary -butyl ether
(MTBE) EPA 602
ug/l
1.4
ND
09/01/94
VZ
Isopropyl ether
EPA 602
ug/1
10
ND
09/01/94
VZ
Signed

LAW ENVIRONMENTAL
NATIONAL
LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
- Project
Information
---
Lab Number : 4-8869-19
Project No. : 56-0509 T09
Cust. No.
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
---Sample
Information ---
Station ID : Dw-4
Sampled
Date/Time :
08/ /94 15:2
Matrix ; G7
Received
Date/Time .
08/2/94 08.57
Type : GRAB
Received From/By „'DSO/LG
Collector : DSG
Chain
of Custody :31215
Number of
Containers :
5
Parameter ..
Method..
Units
DL.. Results.'. Test Date
Analy
-- GC'ORGANIC ANALYSIS RESULTS --
1,2-Dibromoethane (EDB)
EPA
504
u /l
0.02
ND
09/02/94
BT
E t/1,2-Dibromoethane (EDB)
EPA
504
N/A
08/31/94
BT
- GC VOLATILE ORGANIC ANALYSIS (AQ)
RESULTS
-
Dichlorodifluoromethane
EPA
601
a/1
0.59
ND
09/01/94
VZ
hloromethane
EPA
601
u/l
0.47
ND
09/01/94
VZ
Vinyl Chloride
EPA
601
u/l
0.53
ND
09/01/94
VZ
Bommethane
EPA
601
ug/l
0.48
ND
09/01/94
VZ
Chloroethane
EPA
601
ug/l
0.52
ND
09/01/94
VZ
Trichlorofluoromethane
EPA
601
ug/l
0.86
ND
09/01/94
VZ
1,1-Dichloroethene
EPA
601
g/l
0.67
ND
09/01/94
VZ
Methylene Chloride
EPA
601
ug/l
2.0
ND
09/01/94
VZ
trans-1,2-Dichloroethene
EPA
601
u/l
0.7
09/01/94
VZ
1,1-Dichloroethane
EPA
601
ug/l
0.78
ND
09/01/94
VZ
Chloroform
EPA
601
ug/l
0.75
ND
09/01/94
VZ
1,1,1-Trichloroethane
EPA
601
g/l
1.8
ND
09/01/4
VZ
Carbon Tetrachloride
EPA
601
g/l
0.7
09/01/9
VZ
1,2-Dichloroethane
EPA
601
ug/1
0.89
ND
0/01/4
VZ
Trichloroethene
EPA
601
ug/l
0.83
ND
09/01/94
VZ
1,2-Dichloropropane
EPA
601
ug/l
0.74
ND
0/01/94
V
Bromodichloromethane
EPA
601
ug/l
0.81
ND
09/01/94
VZ
2-Chloroethylvinyl ether
EPA
601
ug/l
1.9
ND
09/01/94
VZ
cis-1,3-Dichloropropene
EPA
601
ug/l
0.69
ND
09/01/4
VZ
trans-1,3-Dichloropropene
EPA
601
ug/1
0.84
ND
09/01/94
VZ
1,1,2-Trichloroethane
EPA
601
ug/l
0.86
ND
09/01/94
VZ
Tetrachloroethene
EPA
601
ug/l
0.91
ND
09/01/94
VZ
Dibromochloromethane
EPA
601
ug/l
0.85
ND
09/01/4
VZ
Chlorobenzne
EPA
601
ug/1
0.82
ND
09/1/94
VZ
Bromoform
EPA
601
ug/l
0.80
ND
0/01/4
VZ
1,1,2,2,-Tetrachloroethane
EPA
601
ug/l
1.1
ND
0/1/94
VZ
1,3-Dichlorobenzene
EPA
601
ug/l
1.5
ND
09/01/94
VZ
Remarks:
DL : Detection Limit
ND=
Not Detected
at the
DL
Unless, otherwise noted, all
soil test
results are calculated based
on dry weight.
Signed lu

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-19
Project No. : 56-0509 T09
Parameter .............................. Method.... Units DL ........ Results... Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene EPA 601 ug/l 1.2 ND 09/01/94 VZ
1,2-Dichlorobenzene EPA 601 ug/1 1.2 ND 09/01/94 VZ
Benzene EPA 602 ug/l 0.48 ND 09/01/94 VZ
Toluene EPA 602 ug/l 0.78 ND 09/01/94 VZ
Ethylbenzene EPA 602 ug/l 0.68 ND 09/01/94 VZ
Xylene, Total EPA 602 ug/l 1.6 ND 09/01/94 VZ
Methyl -tertiary -butyl ether (MTBE) EPA 602 ug/l 1.4 ND 09/01/94 VZ
Isopropyl ether EPA 602 ug/1 10 ND 09/01/94 VZ
Signed

W ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 1
--- Project information ---
Lab Number : 4-889-20
Project N. : 6-0509 T09 Cust. No. :
Project Name : CONOCO 33070
Manager: SHARON TYNDALL
Sample information ---
Station ID : TRIP BLANK Sampled Date/Time :`08/23/94
Matrix : W Received Date/Time : 08/2 /94 08:5
Type : GRAB Received From/By : /LG
Collector : Chain of Custody : 5325
Number of Containers : 4
Parameter .. Method.. Units DL.. Results.;. Test Date Analy
-- GC ORGANIC ANALYSIS RESULTS '--
1,2-Dibromoethane (EDB) EPA 50 g/l 0.02 ND 0 01/9 BT
t/1,2-Dibomoehne (EDB) EPA 50 N/A 0831/ BT
- GC VOLATILE ORGANIC ALYSIS (AQ) RESULTS
Dichlo odifluorocethane EPA 601 g/l 0.59 ND 08/27/94 VZ
Chloromethane EPA 601 /l 0.47 ND 08/27/94 VZ
Vinyl Chloride EPA 601 ug/l 0.5 08/27/94 VZ
Bromomethane EPA 601 ug/l 0.4 08/27/94 VZ'
hloroethane EPA 601 ug/l 0.52 ND 08/27/94 V
Trichlorofluoromethane EPA 601. /l 0.8 08/27/94 VZ'
1,1-Dichloroethene EPA 601 /1 0.67 ND 08/27/94 VZ
Methylene Chloride EPA 601 g/l 2.0 ND 08/27/94 VZ
trans-1,2-Dichlcroethene EPA 601 ug/l 0.7 08/27/94 VZ
1,1-Dichloroetha;ne EPA 601 ug/l 0.78 ND 08/27/94 V
Chloroform EPA 601 ug/l 0.75 ND 08/27/94 VZ
1,1,1-Trichloroethane EPA 601 u /l 1.8 ND 08/27/94 V
Carbons Tetrachloride EPA 601 g/l 0.7 08/27/9,4 VZ
1,2-Dichlo oeth ne EPA 601 /l 0.89 ND 08/27/94 VZ
Trichloroethene EPA 601 ug/l 0.8 08/27/94 VZ
1,2-Dichloropropane EPA 601 u /l 0.74 ND 08/27/94 VZ
BromodichloromethaneEPA 601 ug/l 0.81 ND 08/27/94 VZ
-Chloroethylvinyl ether EPA 601 g/l 1.9 ND 08/27/94 V
cis-1,'3-Dichloropropene EPA 601 ug/l 0.6 08/27/94 V
trans-1,3-Dichloropropene EPA 601 ug/l 0.84 ND 08/27/94 V
,1,2-Tric lord thane EPA 60 g/l 0.8 08/27/94 V
Tetrachloroethene EPA 601 ug/l 0.91 ND 08/27/94 VZ
Dibromochloromethane EPA 601 /l 0.85 ND 08/27/94 V
hloroben ene 'EPA 601 ug/l 0.8 08/27/94 VZ
Bromoform EPA 601 ug/l 0.8 08/27/94 V
1,1,2,2,-Tetrachloroethane EPA 601 ug/l 1.1 ND 08/27/94 V
,3-Dchlorobenzene EPA 601 ug/1 1.5 ND 08/27/94 V
Remarks:
DL = Detection Limit ND= Not Detected at the`DL
Unless otherwise noted, all soil test results are calculated based on dry weight.
Signed

LAW ENVIRONMENTAL NATIONAL LABORATORIES
TEST DATA REPORT
Date 09/14/94
Page 2
Lab Number : 94-8869-20
Project No. : 56-0509 T09
Parameter ............................. Method.... Units DL ........ Results... Test Date Analy
-- GC VOLATILE ORGANIC ANALYSIS (AQ) RESULTS --
1,4-Dichlorobenzene EPA 601 ug/l 1.2 ND 08/27/94 VZ
1,2-Dichlorobenzene EPA 601 ug/l 1.2 ND 08/27/94 VZ
Benzene EPA 602 ug/l 0.48 ND 08/27/94 VZ
Toluene EPA 602 ug/l 0.78 ND 08/27/94 VZ
Ethylbenzene EPA 602 ug/l 0.68 ND 08/27/94 VZ
Xylene, Total EPA 602 ug/1 1.6 ND 08/27/94 VZ
Methyl -tertiary -butyl ether (MTBZ) EPA 602 ug/l 1.4 ND 08/27/94 VZ
Isopropyl ether EPA 602 ug/l 10 ND 08/30/94 VZ
Signed

e

} Y 4 t M
!
• • y
-�
REGEI Dg(SIGNATURO
ATE I TIME

ENGINEERING AND ENVIRONMENTAL SERVICES �
�`a >
November 3, 1994
Mr. David Goodrich ' °1 1994
Supervisor, NPDES Permits Group
North Carolina Department of Environment, Health s i i fi ,� ° `
and Natural Resources - Division of Environmental "
Management kit..._, ..m.,,a.
P.O. Box 29535
Raleigh, North Carolina 27626-0 3
Subject: Notice of Intent for Effluent Dis harge-
DES General Permit No. NCG510000
Conoco Stare No. 33070
4900 North "Tryon Street
Charlotte, forth Carolina
NCDERNR Incident No. 6918
Law Engineering Project -0509
.a
Dear Mr. Goodrich:
On behalf of Conoco Inc., Law Engineering, Inc. (LAW) submits this Notice of Intent for coverage under
the General NPDES Permit No. NCG510000 for effluent discharge from a proposers ground -water
recovery and treatment system to be located at the Conoco Store No. 33070 in Charlotte, North Carolina.
The proposed system includes two ground -water recovery wells, an oil/water separator, an air stripper and
activated carbon. In addition, vapor extraction and air sparging technologies will be implemented at the
site in conjunction with the ground -water recovery and treatment.
Conoco and LAW appreciate your consideration of this request, Enclosed please find three signed copies
of the Notice of Intent application, along with three copies of the Corrective Action Plan and engineering
plans and specifications. Please contact us if there are any further questions regarding this permit
application, or the subject project.
Sincerely;
LAW ENGINEERING, INC.
Sharon M. Tyndall, E.I.T.
Project Engineer
x
Brian E. Chew, Sr., P.G. �
Principal
»"
Registered NC #i394
cc: lessa Til�ford s 4
Conoco Inc., Houston, TX f'1,1
, ,. I.. °
LAW ENGINEERING, INC.
2801 YOHKMONT ROAD, SUITE 100 * CHARLOTTE, NC 28208
P.O. BOX 11297 • CHARLOTTE, NC 28220
[phone] + FAX [phone]
ONE OF THE LAW COMPANIES

State of North Carolina
Department of Environment, Health .and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27611
James G. Martin, Governor A. Preston Howard, Jr., P.E.
William W. Cobey, Jr., Secretary Acting Director
NOTICE OF INTENT
National Pollutant Discharge Eli °nation Syltem
designed to treat petroliurn contaminated ater.
1. Name, Address , location, and telephone' number of facility requesting Permit.
A. Official N Conoco
B. Mailing Address; Conoco In
(1)Street Address; Ponca Bl
(2)City; 600
(3)State; '
(4)Zip; '7
(5) ounty, Harris
s
C. Location. (Attach map delineating general facility location)
(1)Street Address;2t)o
(2)City, t t�,�1 orre
(3)State,
(4)County,
D. Telephone Number; 71 ) 293 -1'2 3
2. Facility Contact:
A. Name; Mi.lessa Ti.lford
B. Title; Pro feet Manager
CompanyC. Name; Conoco n
D. Phone Number, 713 ) 293 12
3. Application type (check appropriate selection):
A. New or X
B . Existing; if previously pennitted, provide pertnit number
e to ' .
C. Modification,
(Describe the nature of the modification):
. Description of discharge
A. Please state the number of separate discharge points.
1, ; 2,[ ] 3,[ ] 4,[ l ; [ l:
Pagel

� s �
. cor � � � • .. s
rts
ly
to
a tions with the application.
plying for this permit. `t. Retail gasoline /c snvenience store
operation.
rs, unnamed: tributary Classification.
(Attach a USGS topographical map with all discharge point(s) clearly marked)of Little Sugar Cre
7. Is the discharge directly to the receiving ater?( ,N) N
If no, state specifically the discharge point. Mark clearly the pathway to the potential receiving
waters on the site map. (This includes cing the pathway of the storm sewer to its discharge
point, if a storm sewer is the only viable means of discharge.)
EFFLUENT DISCHARGE WILL BE TO A DRAINAGE FEATURE AND SUBSEQUENTLY TO THE
. Please address possible non -discharge alternatives for the following options: TRIBUTARY
A. Connectionto a Regional Sewer Collection System, municipal sewer connection
unavailable (refer to CAP).
E. Subsurface Disposal; Not applicable due to size and location of site.
C. Spray Irrigation; Not applicable due to size and: location of site.
. I certify that I am familiar with the inforrnation contained in the application and that to the best of
y knowledge and belief such infortnation is'true, complete, and accurate.
�A PtintedNarne of Person
1 t ct
ilk Date Application Signed,
oApiCant,..- �AACLUIIA..lws ..
,Any person who knowingly makes any false statement, representation, or certification in any
Commission implementing that Article, shall be guiltyof a misdemeanor punishable by a fine not to
exceed $10,000, or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001 provides
a punishment by a fine of not more t $10,000 or imprisonment not more than 5 years, or both, for a
similar offense.)
Notice of Intent must be accompanied by a check or money order for $400.00 nude payable to the North
Carolinapa 'ent of'Environment, Health, and Natural Resources. Mail three (3) copies of entire
package to:
Division of Envimrimental Management
NPDES Permits Group
Post Office Box 29535
Raleigh, North Carolina 27626-0535
Page 3