NCD981021157_20060531_New Hanover County Airport Burn Pit_FRBCERCLA LTRA_Monitoring Report - May 2006 Sampling Event-OCR

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MONITORING REPORT
MAY 2006 SAMPLING EVENT
NEW HANOVER COUNTY AIRPORT
BURN PIT SUPERFUND SITE
WILMINGTON, NORTH CAROLINA
MAY 31, 2006
PREPARED FOR:
SUPERFUND SECTION
NEW HANOVER COUNTY, THE CITY OF WILMINGTON AND CAPE FEAR
COMMUNITY COLLEGE
WILMINGTON, NORTH CAROLINA
CATLIN PROJECT NO. 194-040
PREPARED BY:
CATLIN ENGINEERS AND SCIENTISTS
P. 0. BOX 10279
WILMINGTON, NORTH CAROLINA 28404-0279
[phone]
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TABLE OF CONTENTS
PAGE
LIST OF ACRONYMS
1.0 PURPOSE 1
2.0 SITE GROUNDWATER MONITORING WELLS 1
3.0 SITE MONITORING PLAN 2
4.0 SITE ACTIVE REMEDIATION ACTIVITIES 2
4.1 PULSE AIR SPARGE (PAS) 3
4.1.1 Pulse Air Sparge Description 3
4.1.2 Performance 3
5.0 SUMMARY OF SURFICIAL GROUNDWATER TABLE DATA 4
6.0 SUMMARY OF GROUNDWATER QUALITY TESTING 4
6.1 FIELD MEASUREMENT (DISSOLVED OXYGEN) 4
6.2 GROUNDWATER SAMPLING 5
6.3 GROUNDWATER QUALITY-EPA METHOD 602 5
7.0 CONCLUSION AND RECOMMENDATIONS 6
7.1 CONCLUSIONS 6
7.2 RECOMMENDATIONS 7
8.0 LIMITATIONS 7
TABLES
TABLE 1
TABLE 2
TABLE 3
TABLE 4
SUMMARY OF MONITORING WELL CONSTRUCTION DATA AND
GROUNDWATER TABLE E,LEVATIONS AS OF NOVEMBER 3, 2005
HISTORICAL GROUNDWATER TABLE ELEVATIONS
SUMMARY OF CURRENT GROUNDWATER LABORATORY RESULTS
SUMMARY OF HISTORICAL GROUNDWATER LABORATORY
RESULTS
New Hanover County Burn Pit; 94040 mon rpt MA Y06
CATLIN Project No. 194-040
CATLIN Engineers and Scientfa·ts
May2006
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FIGURE 1
FIGURE 2
FIGURE 3
FIGURE 4
FIGURE 5
FIGURE 6
FIGURES
GENERAL LOCATION USGS TOPOGRAPHIC QUADRANGLE.
SITE MAP WITH CURRENT MONITORING WELL LOCATIONS
SITE MAP WITH CURRENT PULSE AIR SPARGE (PAS) LOCATIONS
SITE MAP WITH GROUNDWATER TABLE CONTOURS AS OF
MAY 8, 2006
SITE MAP WITH BENZENE CONCENTRATIONS AS OF
MAY 8, 2006
SITE MAP WITH LOCATIONS OF PULSE SPARGE ZONES
APPENDICES
APPENDIX A
APPENDIX B
LABORATORY ANALYTICAL REPORTS AND CHAIN OF
CUSTODY DOCUMENTS
. BENZENE CONCENTRATIONS VERSUS TIME GRAPH
New Hanover County Burn Pit; 94040 mon rpt MA Y06
CATLIN Project No. 194-040
CATLIN Engineers and Scielllists
May2006
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2000 Guidelines
2001 Guidelines
2LGWQS
ARO
AS
AST
BDL
BN
BNA
BQL
BLS
BTEX
CAP
CATLIN
CERCLA
CFR
Cr
CSA
CNP
CPT
DEM
DIPE
DO
DOD
DPT
DWQ
DWM
DTW
EAD
EDB
EMO
EPA
EPH
EQB
Fe
FID
FOO
FRO
FT
GCL
GIS
GPS
LIST OF ACRONYMS
Groundwater Section Guidelines for Investigation and Remediation of Soil and
Groundwater.
Guidelines for Assessment and Corrective Action, North Carolina Underground
Storage Tank Section (Effective July 1, 2001)
NCAC T15A:02L Groundwater Quality Standards
Asheville Regional Office
Air Sparge
Aboveground Storage Tank
Below Detection Lim it
· Base/Neutral (extractables)
Base/Neutral/Acid ( extractables)
Below Quantitation Limit
Below Land Surface
Benzene, Toluene, Ethylbenzene, Xylenes
· Corrective Action Plan
CATLIN Engineers and Scientists (Formerly RC&A)
Comprehensive Environmental Response, Compensation and Liability Act
Code of Federal Regulations
Chromium
Comprehensive Site Assessment
Carbon Nitrogen Phosphorous
Cone Penetrometer Test
Division of Environmental Management
Diisopropyl Ether
Dissolved Oxygen
Department of Defense
Direct Push Technology
Division of Water Quality
Division of Waste Management
Depth to Water
Environmental Affairs Department
Ethylene di-bromide
Environmental Management Division
Environmental Protection Agency
Extractable Petroleum Hydrocarbons
Environmental Quality Branch
Iron
Flame Ionization Detector
Foreign Object Debris
Fayetteville Regional Office
Feet
Gross Contaminant Level
Geographic Information System
Global Positioning System
New Hanover County Burn Pit; 94040 111011 rpt MA Y06
CATLIN Project No. 194-040
CATLIN Engineers and Scientists
May 2006
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Guidelines Vol. I
Guidelines Vol. II
HOPE
1/C
ID
l&E
IGWQS
IPE
LANTDIV
LSA
LUST
m-
m
MADEP
MCALF
MCAS
MCB
MCOLF
MDL
mg/Kg
mg/L
MRO
MSCC
MSL
MTBE
µg/Kg
µg/L
NA
N/A
NC
NCAC
NCDENR
NCDOC
NCDOT
NCSP
NCSPA
NE
NM
NMT
NS
0-
0VA
Groundwater Section Guidelines for Investigation and Remediation of Soil and
Groundwater, Volume I, Sources Other Than Petroleum Underground Storage
Tanks (May 1998)
Groundwater Section Guidelines for Investigation and Remediation of Soil and
Groundwater, Volume II, Petroleum Underground Storage Tanks (January 2, 1998)
High Density Polyethylene
Industrial/Commercial
Identification .
Installations and Environment Department
Interim Groundwater Quality Standards
lsopropyl Ether
Atlantic Division
Limited Site Assessment
Leaking Underground Storage Tank
meta
meter
Massachusetts Department of Environmental Protection
Marine Corps Auxiliary Landing Field
Marine Corps Air Station
Marine Corps Base
Marine Corps Outlying Landing Field
Method Detection Limit
Milligrams per Kilogram
Milligrams per Litre ·
Mooresville Regional Office
Maximum Soil Contaminant Concentration
Mean Sea Level
Methyl tertiary butyl ether
Micrograms per Kilogram
Micrograms per Litre
Not Analyzed
Not Applicable
North Carolina
North Carolina Administrative Code
North Carolina Department of Environment and Natural Resources
North Carolina Department of Corrections
North Carolina Department of Transportation
North Carolina State Plane
North Carolina State Ports Authority
None Established
Not Measured
No Measurable Thickness
Not Sampled
ortho
Organic Vapor Analyzer
New Hanover County Burn Pit; 94040 mon rpt MA l'06
CATLIN Project No. 194-040 II
CATLIN Engineers and Scientists
May2006
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p-
PAS
PAH
Pb
PPB
PPM
PIO
POL
PVC
RBCA
RCRA
Res
ROI
ARO
sow
STGW
SVE
svoc
TDHF
TCLP
TIC
TKN
TOG
TPH
us
uses
USEPA
USGS
UST
voe
VPH
WaRO
WiRO
WSRO
para
Pulse Air Sparge
Polynuclear Aromatic Hydrocarbons
Lead
Parts Per Billion
Parts Per Million
Photo Ionization Detector
Practical Quantitation Limit
Polyvinyl chloride
Risk-Based Corrective Action
Resource Conservation and Recovery Act
Residential
Radius of Influence
Raleigh Regional Office
Scope of Work
Soil-to-Groundwater
Soil Vapor Extraction
Semi Volatile Organic Compound
· Toxicologically Defined Hydrocarbons Fractions
Toxicity Characteristic Leaching Procedure
Tentatively Identified Com pound
Total Kjeldahl Nitrogen
Top of Casing
Total Petroleum Hydrocarbons
United States
Unified Soil Classification System
United States Environmental Protection Agency
United States Geological Survey
Underground Storage Tank
Volatile Organic Compounds
Volatile Petroleum Hydrocarbons
Washington Regional Office
Wilmington Regional Office
Winston-Salem Regional Office
New Hanover County Bum Pit; 94040 111011 rpt MAY06
CATLIN Project No. 194-040 111
CATLIN Engineers and Scientists
May 2006
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MONITORING REPORT
MAY 8, 2006 SAMPLING EVENT
NEW HANOVER COUNTY AIRPORT BURN PIT SUPERFUND SITE
WILMINGTON, NORTH CAROLINA
MAY 31, 2006
CATLIN PROJECT NO. 194-040
1.0 PURPOSE
The purpose of this report is to present the latest data (November 2005 through
May 2006) regarding the surficial groundwater quality and remediation efforts at the
New Hanover County Airport Burn Pit Superfund Site on Gardner Drive, Wilmington,
North Carolina (see Figure 1) since the last (November 3, 2005) groundwater
sampling event. Historic usage of the site has impacted the site surficial
groundwater with dissolved Volatile Organic Compounds (VOC) in excess of current
NCAC T15A:02L North Carolina Groundwater Quality Standards (2L GWQS). The
compound of concern has .been benzene dissolved in the site surficial groundwater.
2.0 SITE GROUNDWATER MONITORING WELLS
Currently, there are twenty-six site groundwater monitoring wells or piezometers.
Twenty-four are Type I and II monitoring wells or piezometers screened at depths
ranging from approximately one to twenty-eight feet below land surface (BLS). Two
Type Ill monitoring wells TMW-1 and TMW-2 are screened at depths of 40-45 and
38.5-43.5 feet BLS respectively. A summary of site monitoring well construction data
is provided in Table 1. Figure 2 illustrates the current groundwater monitoring well
locations in relation to the site map.
Site groundwater monitoring wells within the historic dissolved benzene plume
boundary have been designated performance verification wells. These wells are
located in interstitial zones between sparge points and are intended to provide data
points to monitor contaminant reduction and dissolved oxygen levels within the deeper
portion of the surficial aquifer. One performance verification monitoring well
(PVSMW-002, located in the burn pit source area) is screened from one to ten feet
BLS and is used to verify contaminant reduction within the shallow portion of the
surficial aquifer. Performance verification wells include: MWD-001, PVSMW-002,
MWD-002, MWS-003, PVMW-010, PVMW-011, PVMW-014 and PVMW-015.
Wells outside the historic dissolved benzene plume boundary have been designated
compliance monitoring wells and are used to evaluate potential migration of dissolved
compound(s) of concern. Compliance monitoring wells currently employed to monitor
the dissolved compound(s) of concern plume within the site surficial groundwater
New Hanover County /Jurn Pit; 94040 111011 rpl MAY06
CA TL/ N Project No. 194-040
CATLIN Engineers and Scientists
May 2006
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include: MWS-004, MWD-006, CMW-007, CMW-008, CMW-009, CMW-012, CMW-
013 and CMW-016.
SITE MONITORING PLAN
Monthly
CATLIN personnel conduct the following activities on a monthly basis:
Check and adjust system to ensure proper operation.
• Measure dissolved oxygen (DO) in MWD-002.
Semi-Annually (May and November)
In addition to the monthly activities, CATLIN personnel also conduct the following
activities on a semi-annual basis:
• Gauge and sample performance verification and compliance monitoring wells
per EPA Method 602.
Measure DO in MWD-002.
• Prepare a monitoring report for submission to USEPA, NCDENR and PRPs.
The report includes:
-system status
-updated groundwater table contour map
updated groundwater contaminant isoconcentration map
tabulated field and laboratory analysis summary table
independent laboratory reports
4.0 SITE ACTIVE REMEDIATION ACTIVITIES
In accordance with the site Final Design Remedial Report, the performance goal for
remediating non-compliant VOC concentrations within the impacted site surficial
aquifer is 1 ug/L of benzene, or as agreed to by involved over sight personnel. To
achieve this objective a pulse air sparge system consisting of air compressors, 79
air injection wells, and associated controls has been designed and installed at the
site. Pulse Air Sparge (PAS) injection wells were installed to depths of 23 to 25 feet
below land surface. The locations of the current PAS injection wells are shown on
Figure 3.
New Hanover County Bum Pit; 94040 111011 rpt MAY06
CATLIN Project No. 194-040 2
CATLIN Engineers and Scientists
May 2006
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4.1 PULSE AIR SPARGE (PAS)
4.1.1 Pulse Air Sparge Description
Pulse Air Sparge consists of injecting a pulse of ambient air within or
below the contaminated zone of the impacted aquifer, through an air ·
sparge well. As air is injected into the aquifer, a de-watered sphere
grows around the sparge point: This spherical volume of air
continues to grow displacing groundwater until just before the top of
the sphere "breaks through" the surface of the ground water table. ·
Prior to "breakthrough", the air injection is terminated, injected air
migrates back up to the ground surface, and the aquifer is allowed to
recharge before .the next "pulse". The intent of this activity is to
volatilize dissolved gasoline compounds within the impacted aquifer,
and supply oxygen to indigenous aerobic microbes. Indigenous
aerobic microbe species important in dissolved gasoline compound
degradation utilize dissolved oxygen (DO) from the aquifer as an
. electron acceptor to convert dissolved gasoline compounds to CO2,
water, and biomass .. Aeration efforts of the PAS system replenish
dissolved oxygen into the aquifer. Studies have repeatedly shown
aerobic microbes, as opposed to anaerobic microbes, biodegrade
dissolved gasoline compounds more rapidly.
The current system consists of 79 air injection wells divided into 16
separate zones. Zones are sequentially activated across from the site
from each other to prevent interference and mitigate potential
contamination migration from the temporary high water table
conditions.
Since the active site remediation efforts were initiated, remnant
groundwater contamination has been reduced to the area around site
monitoring wells MWD-002 and PVMW-014. Therefore, on October
3, 2005 air sparge zones hydraulically up gradient of MWD-002 and
PVMW-014 (zones 2, 4, 5, 10, 11, 15 and 16) have been turned off.
Zones in and around site monitoring wells MWD-002 and PVMW-014
(Zones 1, 3, 6, 7, 8, 9, 12, 13 and 14) are now active for
approximately 75 minutes twice a day (see Figure 6). If contaminant
concentrations rebound in the inactive zones the air sparge efforts
can be reactivated quickly.
4.1.2 Performance
Since the November 3, 2005 sampling event, the PAS system has
operated approximately 83 % of the time. Periodic power outages
have disrupted system operation. Ultimately, site remediation
performance is evaluated by reviewing the groundwater dissolved
gasoline compound concentrations trend over time.
New Hanover County Bum Pit; 94040 mo11 rpt MA Y06
CATLIN Project No. 194-040 3
CATLIN Engineers and Scientists
May2006
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5.0 SUMMARY OF SURFICIAL GROUNDWATER TABLE DATA
Each of the site monitoring well top of casing (TOC) elevations has been surveyed
in relation to mean sea level (MSL}. The latest groundwater table depths were
obtained at all site monitoring wells on May 8, 2006. While gauging the site .
monitoring wells, air sparge efforts had just ceased at zone 9 and were initiating in
zone 12. The depth to groundwater table data has been subtracted from the TOC
elevation to determine the site groundwater table elevations as of May 8, 2006. The
May 8, 2006 groundwater table depth and elevation data has been summarized on
Table 1. The elevation data was entered into contouring software program
(AutoCAD Land Development) to generate the surficial groundwater table contours
illustrated Figure 4.
A review of Figure 4 indicates a groundwater high around performance verification
wells PVMW-014 and PVMW-015, likely due to PAS initiation of zone 12.
Anticipated area of influence at zone 12 encompasses wells PVMW-014 and
PVMW-015. The apparent overall site-wide groundwater flow direction is toward the
south and west. The western component is likely due to the temporary high due to
the PAS efforts at zone 12. Historically, the predominant site-wide groundwater flow
directions have been to the southwest with a northeasterly component of flow
normally observed beneath the northeastern portion of the property. Historical site
groundwater table elevation data has been listed in Table 2.
6.0 SUMMARY OF GROUNDWATER QUALITY TESTING
Prior to system installation, CATLIN personnel conducted a site groundwater
sampling event to provide a pre-construction baseline of the dissolved contaminant
plume. As of November 3, 2003, CATLIN has performed seven post system
installation sampling events. During each sampling event, CATLIN personnel
recorded selected groundwater field parameter data and obtained groundwater
samples in general accordance with the following procedures.
6.1 FIELD MEASUREMENT (DISSOLVED OXYGEN)
Initial uninfluenced site groundwater DO levels were typically less than 0.5
milligram per Liter (mg/L}. Aerobic groundwater conditions are generally
those with DO levels greater than 1.0 ug/L.
Site DO measurements are obtained by utilizing a low flow 12-volt pump
(Geopump or whale} to pump recovered groundwater through a flow through
cell. Groundwater DO measurements are measured with a YSI Model 650
multi-parameter water quality instrument and Model 600XL sonde placed in the
flow through cell. Groundwater DO levels, within the PAS injection well radius
of influence, will fluctuate in accordance with the PAS air injection cycle.
New Hanover County Bum Pit; 94040 mon rpt MA !'06 CATLIN Engineers and Scientists
May 2006 CATLIN Project No. 194-040 4
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6.2
MWD-002 is gauged monthly due to its central location in relation to the site,
its position in an interstitial zone between sparge points, and the depth of its
screened interval. Since the last sample event (November 3, 2005), DO
measurements at MWD-002 have ranged from 0.31 to 3.46 mg/L. On May
8, 2006, DO measurements at selected performance verification wells ranged
from 1.68 to 3.46 ug/L. Performance verification wells with greater than 0.5
mg/L DO demonstrate the positive influence of the PAS efforts.
GROUNDWATER SAMPLING
Prior to sampling, each well was purged to ensure the collected sample was
representative of the surficial aquifer. Purging was performed by removing a
minimum of three well volumes from each monitoring well using disposable
bailers. A new set of disposable nit rile gloves and bailer were utilized for each
sample collected.
For groundwater wells where groundwater is also tested for selected
geochemical parameters, a pump was used to extract groundwater from each
well. The extracted groundwater was delivered to a flow-through cell via clean
polyethylene tubing. Temperature, conductivity, and pH conditions were
measured using an YSI Model 650 multi-parameter water quality instrument
with Model 600XL sonde. Measurements were recorded at one-minute
intervals until the readings reached equilibrium. Once stabilized, the well was
sampled and the recorded data was used to document the selected field
parameters. The Model 600XL sonde, as well as the test cell were cleaned
after each sample was collected in accordance with the manufacturer's
instructions.
Groundwater samples were placed in laboratory provided glassware labeled
with the well ID, sample date, site name, sampler, and placed in an iced
cooler. Samples were delivered to SGS Environmental, Inc. (former
Paradigm; North Carolina Certification #481) in Wilmington, North Carolina
for analysis. To determine groundwater concentrations (in ug/L) of remnant-
dissolved gasoline compounds, all groundwater samples were analyzed for
volatile compounds per EPA Method 602 plus total xylenes.
6.3 GROUNDWATER QUALITY-EPA METHOD 602
The compound of concern has been dissolved benzene concentration within
the site surficial groundwater. EPA Method 602 analysis detected benzene
concentrations, in excess of 2L GWQS (1 ug/L), in groundwater samples
from groundwater monitoring well MWD-002 (31.3 ug/L) and performance
verification well PVMW-015 (1.75 ug/L).
Historical benzene concentration data, including the latest sample event
(May 8, 2006) data, can be summarized as follows:
New Hanover County Burn Pit; 94040 mon rpt MAY06
CATLIN Project No. 194-040 5
CATLIN Engineers and Scientists
May 2006
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MWD-002 136 <1 18.6 31.3
MWD-006 · 3.4 <0.5 3.4 0.402 J
PVMW-011 2.6 <1 2.6 <1
PVMW-014 5 <1 4.4 0.599 J
PVMW-015 4.1 <1 4.1 1.75
Figure 5 illustrates the benzene concentrations within the site surficial
groundwater as of May 8, 2006.
The latest groundwater sample analytical results have been summarized on
Table 3. Historical EPA Method 602 analysis results have been summarized
on Table 4. A copy of the SGS laboratory report for the latest sample event
has been provided in Appendix A. To illustrate the historical groundwater
remediation trend, a graphical representation of historical benzene
concentrations at site monitoring wells MWD-001, MWD-002, MWS-003,
MWD-006, PVMW-011, PVMW-014 and PVMW-015 has been prepared (see
Appendix B).
CONCLUSION AND RECOMMENDATIONS
7.1 CONCLUSIONS
Based on the field and laboratory data obtained during the most recent
monitoring period, the following conclusions are provided:
Active Remediation System Operation
The PAS system has been operating properly for approximately 83% of
the period since the last groundwater sampling event (November 2005).
Surficial Groundwater Quality
• The latest groundwater analyses detected benzene concentrations in
excess of 2L GWOS (1 ug/L), in groundwater samples from groundwater
monitoring well MWD-002 (31.3 ug/L) and performance verification well
PVMW-015 (1.75 ug/L).
In reviewing the historical dissolved contaminant concentration data (Table 4
and graph in Appendix B), there has been a recent increase in the
groundwater around monitoring well MWD-002. The overall trend indicates a
progressive decline in benzene concentrations within the site groundwater.
Compared to the baseline data, MWD-002 benzene concentration has
increased from 18.6 ug/L to 31.3 ug/L and benzene concentrations at
PVMW-014 have decreased from 4.4 ug/L to 0.599 J ug/L .. The 1. 75 ug/L at
New Ha11over Cou11ty Bum Pit; 94040 111011 rpl MA !'06 CATLIN E11gi11eers a11d Scientists
May2006 CATLIN Project No. 194-040 6
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PVMW-015 is the highest benzene concentration detected at this well since
June of 2002. Evaluation of future groundwater sample events will indicate if
this recent increase is a valid trend.
Benzene concentrations do not appear to be migrating upwards in the water
column as evidenced from the sample results collected from monitoring wells
MWD-002 and PVSMW-002. PVSMW-002 (screened to 10 feet below land
surface (BLS), which is in close proximity to MWD-002 (screened to 27 feet
BLS), continued to display benzene concentrations below 2L GWQS.
7.2 RECOMMENDATIONS
CATLIN recommendations are based on a review of the current site
conditions and are as follows:
• Continue with the monitoring and maintenance schedule outlined in the
Final Remedial Design Report.
• Continue to focus remediation efforts of the pulsed air sparge system to
zones southwest of PVMW-011, specifically zones 1, 3, 6, 7, 8, 9, 12, 13,
and 14 (see Figure 6).
I 8.0 LIMITATIONS
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The field and groundwater data evaluated as part of this monitoring report provide
isolated data points and may not represent conditions at every location in the project
area, Analyses and conclusions of this report, being based on interpolation
between data points at the project area, may not be completely representative of all
site conditions. Conclusions and recommendations of this monitoring program and
report are based on the best available data in an effort to comply with current
regulatory requirements.
New Hanover County Burn Pit; 94040 man rpt MA Y06
CATLIN Project No. 194-040 7
CATLIN Engineers and Scientists
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TABLES
New Hanover County Burn Pit; 94040 mon rpt MA l'06.doc
CA TL/ N Project No. 194-040
CATLIN Engineers and Scientists
May 2006
- - -
liiiiiiil iiiiiii iiiiii ----- -- -
Date: May 2006
Date Water Date Level Well ID Installed
(m/dd/yy) Measured
(m/dd/yy)
MWD-001 1992 518/2006
MWD-002 1992 5/8/2006
PVSMW-002 5/28/02 518/2006
MWS-003 1992 5/812006
MWS-004 1992 5/812006
MWD-005 1/4/00 5/8/2006
MWD-006 4/4/01 5/8/2006
CMW-007 1/4/01 5/8/2006
CMW-008 5/31/02 5/8/2006
TABLE 1 SUMMARY OF MONITORING WELL CONSTRUCTION
DATA AND GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Burn Pit Superfund Site
Top of· App~ox. Depth to· Well
Casing Scl'eerled Bottom of Casing Water from Free Product
Interval Well Ground ThicknesS;~
Depth _(x toy ft. BLS) (ft. BLS) Elevation• Elevation• Top O! _-. (ft.)
(ft. BLS) (ft.) (ft) Casing (ft.)
17.5 17.5-27.5 27.5 33.51 31.26 6.29 0
17 17-27 27 33.27 30.72 6.39 0
1 1-10 10 33.46 30.38 6.56 0
5 5-15 15 33.34 30.76 6.20 0
5 5-14.5 15 32.31 29.81 5.42. 0
12 12-22 22 32.21 29.86 5.37 0
14 14-24 24 32.06 30.26 4.65 0
12 12-22 22 33.16 30.40 5.77 0
3 3-23 23 34.27 31.50 6.50 o.
NHC Airport Burnpi! Superfund Site; 194040 Tahle I mw const•water elev daJa.xls
CATLIN Project No. 194.040
Page 1 of 3
. Ground-
, ',·· " /:,· "!·•.,
.7-0 ,. --., -, :water -Commer;,ts --El.evation•
(ft.) -
27.22 Performance Verification
Monitoring Well
26.88 Performance Verification
Monitoring Well
26.90 Performance Verification
Monitoring Well
27.14 Performance Verification
Monitoring Well
26.89 Compliance Monitoring
Well
26.84 Monitoring Well •··
.
27.41 Compliance Monitoring
Well
27.39 Compliance Monitoring
Well
27.77 Compliance Monitoring
Well
CATT.JN Engineers and Scientists
May2006
----liiii iiiiii
Date: May 2006
liiiiii liiii liiii - --- - - -TABLE 1 SUMMARY OF MONITORING WELL CONSTRUCTION
DATA AND GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Burn Pit Superfund Site
.
- - -- -
Page2of 3 •
. .. ._ : Depth to Date Water Well Top of Approx. Ground Date Screened Bottom of .
Level Casing Casing Ground Water from Free Product ., ... Water, ..
. · . commi,~ts Well ID Installed Interval.
(m/dd/yy) Measured Depth (x to y ft. BLS) (m/dd/yy) (ft. BLS)
CMW-009 5/30/02 5/8/2006 3 3-23
PVMW-010 5/30/02 5/8/2006 4 4-24
PVMW-011 5/30/02 5/8/2006 4 4-24
CMW-012 5/30/02 5/8/2006 3 3-23
CMW-013 5/30/02 5/8/2006 2 2-27
PVMW-014 5/28/02 5/8/2006 4 4-24
PVMW-015 5/28/02 5/8/2006 4 4-23
CMW-016 6/3/02 5/8/2006 3 3-23
P-1 1998 5/8/2006 0 0-7
NHC Airport /lumpit Superfund Site; /94040 Table I mw const-water elev daJa.xls
CATLIN Project No. 194-040
Well
(ft .. BLS)
23
24
24
23
27 .
24
23
23
7
.ThickmiSs~• Elevation• Elevation• Top of· (ft.) (ft.) (ft) Casing (ft.) .
33.22 30.46 5.86 0
32.78 30.10 5.52 0
33.43 30.69 6.29 0
32.85 30.11 5.71 0
33.53 30.86 6.47 0
32.16 29.39 4.48 0
31.51 28.77 3.68 0
32.53 29.85 5.90 0
32.41 29.54 6.32 0
· 'EieVStion~ ' (ft.) ..
27.36 Compliance Monitoring
Well
27.26 Performance Verification
Monitoring Well
27.14 Performance Verification
Monitoring Well
27.14 Compliance Monitoring
Well
27.06 Compliance Monitoring
Well
27.68 Performance Verification
Monitoring Well
27.83 Performance Verification
Monitoring Well
26.63 Compliance Monitoring
Well
26.09 Piezometer ··•
CAT/JN Engineers and Scientists
May2006
- --- -Date: May 2006
Date Watei· Date Level Well ID Installed Measured · (m/dd/yy) (m/dd/yy)
P-2 1998 5/8/2006
T-12 11/25/98 NM
T-13 12/22/98 5/8/2006
T-14 12/22/98 5/8/2006
T-15 12/22/98 5/8/2006
T-16 1 /3/01 5/8/2006
TMW-1 9/30/94 NM
TMW-2 9/30/94 NM
-l!!!!!!!!!I !!!!!! == ;;;;;a liiiil iiiil -TABLE 1 SUMMARY OF MONITORING WELL CONSTRUCTION
DATA AND GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Burn Pit Superfund Site
Well _Top of Approx. -Depth to Screened Bottom of Free Product Casing Casing Ground Water from Interval Well Thicknes~ .. Depth Elevation* Elevation• ·Top oi ·_
(x toy ft:BLS) (ft. BLS) . (ft.)
(ft. BLS) (ft.) . (ft) Casing (ft.)
0 0-8 8 31.55 30.28 4.84 0
2 2-14.5 14.5 33.59 NM NM NM
5 5-15 15 32.19 29.61 5.47 0
5-5-15 15 33.10 30.10 5.70 0
5 5-15 15 32.44 29.99 5.59 0
17 17-27 27 32.39 30.39 5.86 0
40 40-45 45 33.02 NM NM NM
'
38.5 38.5-43.5 43.5 33.21 NM NM NM
• Reference point for all elevations is based on Mean Sea LeVe1
- ----Page 3 of 3
. Ground ·{ -_ .. . -. ., . ::..., ~.
/
-;wateri ' ~: Comments ' EleV_8.tio11* . ., •· --.
---:C:
(ft.} . .
.
26.71 Piezometer ***
NM Monitoring Well ***
26.72 Monitoring Well •••
27.40 Monitoring Well •••
26.85 Monitoring Well •••
26.53 Monitoring Well •••
NM Telescoping Monitoring
we11 •••
NM Telescoping Monitoring
Well***
•• If free product is present in a well, ground water elevation should be calculated by: [Top of Casing Elevation -Depth to Water] + [free product thickness x (specific gravity ~f free product)] .
... Well is not being sampled as part of current monitoring network.
ft BLS = feet below land surface
NM = Not Measured
NHC Airport Burnpit Superfund Site; 194040 Table l mw const-water elev dala.xls
CATUN Project No. 194-040.
CA TUN Engineers and ScientistS
May2006
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/I'll(" l/1,;~pW /9J~JO 1'ahlc1 hiu~•· ,ic,·.r/,
C-ITl.//1'/'r.,j,,fl.\'o. /9J.<IJI!
TABLE 2 HISTORICAL GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Bum Pit Superfund Site
" :· . ~ , . : ' . ;""·'~ /APPARENT •1' '• ,,; TOP OF"' ' ' ~ FREE ' ADJUSTED ,,. CASING oEPTH To·<~ .. \\' ATER TABLE · WELL I.D. DATE ELEVATION* GROUNDWATER ; PRODUCT ELEVATION .. :wr:,.··.,: \')t\rt. ' 'THICKNESS (FT.)'
' ·> , ''. ··.·{ff.)
6/11/2002 33.51 9.43 NMT 24.08
9/4/2003 · 33.51 4.39 NMT 29.12
11/3/2003 33.51 3.77 NMT 29.74
lll/2004 33.51 4.57 NMT 28.94
MWD-001 4/1/2004 33.51 4.41 NMT 29.10
7/21/2004 33.51 8.73 NMT 24.78
512/2005 33.51 6.03 NMT 27.48
11/3/2005 33.51 5.27 NMT 28.24
5/8/2006 33.51 6.29 NMT 27.22
6/11/2002 33.27 9.21 NMT 24.06
9/4/2003 33.27 4.50 NMT 28.77
11/3/2003 33.27 3.69 NMT 29.58
lll/2004 33.27 4.46 NMT 28.81
MW0-002 4/1/2004 33.27 4.29 NMT 28.98
7/21/2004 33.27 8.42 NMT 24.85
5/2/2005 33.27 5.72 NMT 27.55
11/3/2005 33.27 5.99 NMT 27.28
5/8/2006 33.27 6.39 NMT 26.88
6/11/2002 33.46 9.52 NMT 23.94
9/4/2003 33.46 5.17 NMT 28.29
11/3/2003 33.46 4.08 NMT 29.38
1/712004 33.46 4.92 NMT 28.54
PVSMW-002 4/1/2004 33.46 4.60 NMT 28.86
7/21/2004 33.46 8.84 NMT 24.62
5/2/2005 33.46 6.20 NMT 27.26
11/3/2005 33.46 6.10 NMT 27.36
5/8/2006 33.46 6.56 NMT 26.90
6/11/2002 33.34 9.36 NMT 23.98
9/4/2003 33.34 4.69 NMT 28.65
11/3/2003 33.34 4.24 NMT 29.10
1n12004 33.34 5.26 NMT 28.08
MWS-003 4/1/2004 33.34 4.54 NMT 28.80
7/21/2004 33.34 "•9.31 NMT 24.03
5/2/2005 33.34 6.59 NMT 26.75
11/3/2005 33.34 5.86 NMT 27.48
5/8/2006 33.34 6.20 NMT 27.14
6/11/2002 32.31 8.52 NMT 23.79
9/4/2003 32.31 3.27 NMT 29.04
11/3/2003 32.31 3.34 NMT 28.97
W/2004 32.31 3.67 NMT 28.64
MWS-004 4/1/2004 32.31 3.75 NMT 28.56
7/21/2004 32.31 7.6i NMT 24.64
512/2005 32.31 5.21 NMT 27.10
11/3/2005 32.31 5.59 NMT 26.72
5/8/2006 32.31 5.42 NMT 26.89
11/3/2003 32.21 2.85 NMT 29.36
11712004 32.21 3.92 NMT 28.29
4/1/2004 32.21 3.86 NMT 28.35
MWD-005 7/21/2004 32.21 8.17 NMT 24.04
5/2/2005 32.21 4.94 NMT 27.27
11/3/2005 32.21 3.78 NMT 28.43
5/8/2006 32.21 5.37 NMT 26.84
6/11/2002 32.06 8.75 NMT 23.31
9/4/2003 32.06 3.50 NMT 28.56
11/3/2003 32.06 3.45 NMT 28.61
ln/2004 32.06 3.96 NMT 28.10
MWD-006 4/1/2004 32.06 3.94 NMT 28.12
7/21/2004 32.06 7.96 NMT 24.10
5/2/2005 32.06 5.59 NMT 26.47
11/3/2005 32.06 4.34 NMT 27.72
5/8/2006 32.06 4.65 NMT 27.41
Page I of4
CA 11.1.\' l.'~tfocm ~nd .\cicnn'\11
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Date: May 2006
{\'Ill_' IIM"'PiJ.: l~-0 T•l>I, 1.Ul,., ,lrrJ/1
t'..ITI.INl',01mNo. /~J.OJf!
TABLE 2 HISTORICAL GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Burn Pit Superfund Site
APPARENT· ' '_t i,;,:·
c:,• ;tTOPOF·' ·t ADJUSTED''"\
CASING .-FREE 't"•
. \V :.zt:A ~~g~f; DEPTH TO WELL I.I>. DATE · ~LEVATION * GROUNDWATER PRODUCT'
,, ,.(FT._). THICKNES~, sl ,f -wn ··:·";,,;-.:;.
, ' {FT.) t -,. , ' . "\~
6/11/2002 33.16 9.64 NMT 23.52
9/4/2003 33.16 3.66 NMT 29.50
11/3/2003 33.16 3.78 NMT 29.38
ln/2004 33.16 4.27 NMT 28.89
CMW-007 4/1/2004 33.16 4.13 NMT 29.03
7/21/2004 33.16 8.82 NMT 24.34
5/2/2005 33.16 5.67 NMT 27.49
11/3/2005 33.16 5.25 NMT 27.91
5/8/2006 33.16 5.77 NMT 27.39
6/11/2002 34.27 10.51 NMT 23.76
9/4/2003 34.27 4.58 NMT 29.69
11/3/2003 34.27 4.67 NMT 29.60
1/7/2004 34.27 5.32 NMT 28.95
CMW-008 4/1/2004 34.27 5.17 NMT 29.10
7/21/2004 34.27 9.79 NMT 24.48
5/2/2005 34.27 6.71 NMT 27.56
11/3/2005 34.27 6.14 NMT 28.13
5/8/2006· 34.27 6.50 NMT 27.77
6/11/2002 33.22 9.22 NMT 24.00
9/4/2003 33.22 3.25 NMT 29.97
11/3/2003 33.22 3.42 NMT 29.80
1m2004 33.22 4.21 NMT 29.01
CMW-009 4/1/2004 33.22 4.22 NMT 29.00
7/21/2004 33.22 8.57 NMT 24.65
5/2/2005 33.22 5.82 NMT 27.40
11/3/2005 33.22 5.22 NMT 28.00
5/8/2006 33.22 5.86 NMT 27.36
6/11/2002 32.78 8.65 NMT 24.13
9/4/2003 32.78 3.25 NMT 29.53
11/3/2003 32.78 2.87 NMT 29.91
1m2004 32.78 3.94 NMT 28.84
PVMW-010 4/1/2004 32.78 3.67 NMT 29.11
7/21/2004 32.78 7.91 NMT 24.87
5/2/2005 32.78 5.39 NMT 27.39
11/3/2005 32.78 4.62 NMT 28.16
5/8/2006 32.78 5.52 NMT 27.26
6/11/2002 33.43 9.37 NMT 24.06
9/4/2003 33.43 4.49 NMT 28.94
11/312003 33.43 1.19 NMT 32.24
1n/2004 33.43 4.62 NMT 28.81
PVMW-011 4/1/2004 33.43 4.49 NMT 28.94
7/21/2004 33.43 8.63 NMT 24.80
5/212005 33.43 6.04 NMT 27.39
11/3/2005 33.43 5.37 NMT 28.06
5/8/2006 33.43 6.29 NMT 27.14
6/11/2002 32.85 8.92 NMT 23.93
9/4/2003 32.85 3.42 NMT 29.43
11/3/2003 32.85 2.63 NMT 30.22
ln/2004 32.85 3.93 NMT 28.92
CMW-012 4/1/2004 32.85 3.96 NMT 28.89
7/21/2004 32.85 8.25 NMT 24.60
5/2/2005 32.85 5.42 NMT 27.43
11/3/2005 32.85 4.86 NMT 27.99
5/8/2006 32.85 5.71 NMT 27.14
Page 2 of4
C-\TI.IN /cn~mrmud .\ci,nn·,11
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Date: May 2006
/,,'/IC /Jw,n/"'.' /~JOJO T~l>I•] hi>ttw ,/,·>·.rl,
C,.t//.1,~' l'r~/wl'io. 1-..u,,,
TABLE 2 HISTORICAL GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Bum Pit Superfund Site
~'; •. TOP.OF' . ,,/::-; ·:·•· f',APPARENT ADJUSTED •. ' DEPTH TO\'•• FREE
WiiLLI.D. DATE CASING ,. PRODUCT WATER TABLE
ELEVATION• GROUNDWATER 1',THiCKNESS ELEVATION
1 11 ,,. '(FT.)·· ·-1,: ~ ·~ < (FT_.!, ·:., .. ', . ..• /c ·'.: .. (FT,)
6/11/2002 31.95 9.53 NMT 22.42
9/4/2003 31.95 4.44 NMT 27.51
11/3/2003 33.53 3.42 NMT 30.11
,n12004 33.53 4.67 NMT 28.86
CMW-013 4/1/2004 33.53 4.61 NMT 28.92
7/21/2004 33.53 8.65 NMT 24.88
5/2/2005 33.53 6.21 NMT 27.32
11/3/2005 33.53 5.63 NMT 27.90
5/8/2006 33.53 6.47 NMT 27.06
6/11/2002 32.16 8.63 NMT 23.53
9/4/2003 32.16 4.45 NMT 27.71
11/3/2003 32.16 3.18 NMT 28.98
lll/2004 32.16 4,74 NMT 27.42
PVMW-014 4/1/2004 32.16 3.45 NMT 28.71
7/21/2004 32.16 9.10 NMT 23.06
5/2/2005 32.16 5.98 NMT 26.18
11/3/2005 32.16 2.59 NMT 29.57
5/8/2006 32.16 4.48 NMT 27.68
6/11/2002 31.51 8.32 NMT 23.19
9/4/2003 31.51 2.77 NMT 28.74
1/7/2004 31.51 3.07 NMT 28.44
PVMW-015 4/1/2004 31.51 3.02 NMT 28.49
7/21/2004 31.51 6.98 NMT 24.53
5/2/2005 31.51 4.58 NMT 26.93
11/3/2005 31.51 3.17 NMT 28.34
5/8/2006 31.51 3.68 NMT 27.83
6/11/2002 32.53 8.90 NMT 23.63
9/4/2003 32.53 3.37 NMT 29.16
11/3/2003 32.53 3.40 NMT 29.13
1n12004 32.53 4.13 NMT 28.40
CMW-016 4/1/2004 32.53 4.23 NMT 28.30
7/21/2004 32.53 8.16 NMT 24.37
5/2/2005 32.53 5.73 NMT 26.80
11/3/2005 32.53 4.31 NMT 28.22
5/8/2006 32.53 5.90 NMT 26.63 .. .
11/3/2003 32.41 5.29 NMT 27.12
1n12004 32.41 5.82 NMT 26.59
4/1/2004 32.41 5.96 NMT 26.45
P·1 7/21/2004 32.41 9.60 NMT 22.81
5/2/2005 32.41 7.35 NMT 25.06
11/3/2005 32.41 6.51 NMT 25.90
5/8/2006 32.41 6.32 NMT 26.09
11/3/2003 31.55 2.60 NMT 28.95
1/7/2004 31.55 3.29 NMT 28.26
4/1/2004 31.55 3.04 NMT 28.51
p.2 7/21/2004 31.55 6.61 NMT 24.94
5/2/2005 31.55 4.69 NMT 26.86
11/3/2005 31.55 4.27 NMT 27.28
5/8/2006 31.55 4.84 NMT 26.71
11/3/2003 32.19 3.44 NMT 28.75
1/7/2004 32.19 4.37 NMT 27.82
4/1/2004 32.19 4.51 NMT 27.68
T-13 7/21/2004 32.19 8.40 NMT 23.79
5/2/2005 32.19 6.06 NMT 26.13
11/3/2005 32.19 4.91 NMT 27.28
5/8/2006 32.19 5.47 NMT 26.72
11/3/2003 33.10 4.48 NMT 28.62
,n12004 33.10 5.00 NMT 28.10
4/1/2004 33.10 4.95 NMT 28.15
T-14 7/21/2004 33.10 9.00 NMT 24.10
5/2/2005 33.10 6.61 NMT 26.49
11/3/2005 33.10 5.40 NMT 27.70
5/8/2006 33.10 5.70 NMT 27.40
Page 3 of4
CIT/ IN 1:ntim·,,, nM .\ci,nn\n
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Date: May 2006
SH(.' llMr,ylt: /9JOJO Tdlr l Ai,t ,. ,/,...rl,
C-111./,\' l'r<,,if'r//l,'v, /9J./!JU
TABLE 2 HISTORICAL GROUNDWATER TABLE ELEVATIONS
New Hanover County Airport Burn Pit Supertund Site
«. ,· TOPQF/'):, APPARENT
'FREE
'WELLI.D. DATE ._ CASING DEPTH TO , PRODUCT, ELEVATION"' GROUNDWATER THICKNF.Ss {FT:)
' ' ' ' .{FT.)
11/3/2003 32.44 3.78 NMT
1(7/2004 32.44 4.21 NMT
4/1/2004 32.44 4.09 NMT
T·15 7/21/2004 32.44 8.19 NMT
5/2/2005 32.44 6.31 NMT
11/3/2005 32.44 4.71 NMT
5/8/2006 32.44 5.59 NMT
11/3/2003 32.39 3.62 NMT
ln/2004 32.39 4.20 NMT
4/1/2004 32.39 3.91 NMT
T-16 7/21/2004 32.39 7.31 NMT
5/2/2005 32.39 5.51 NMT
11/3/2005 32.39 4.98 NMT
5/8/2006 32.39 5.86 NMT
• Top of casing clcvuliun is rdcr.:11<.'Cd 10 mean sea level (Top of ca,ing is elcw1cd al,,.,vc gruunJ level.)
NMT -No Mcasurahle Thkknc<•
., :A~JUST~~·li
.WATER TABLE · 'Ei.EVAnONf,i
,;,, !'':'?? •. ~, _.:.?
28.66
28.23
28.35
24.25
26.13
27.73
26.85
28.77
28.19
28.48
25.08
26.88
27.41
26.53
Page4of4
CATI.IN linitin,m and .\1frnd"'
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Date: MAY 2006 TABLE 3 SUMMARY OF CURRENT GROUNDWATER
LABORATORY RESULTS
New Hanover County Airport Burn Pit Superfund Site
"~ >:'f,,1f~:'_':{<':lff ..:':):V~l'i,. ,r :;-· 0:1• ··, '". ,. ,
•.. 1-.,t-:._: :'•-".,550 y ;;i):,)\i'if' ,,'):iiJ:~.2~ _C.\iYfl.S: (µg/L) · .. . .. . . . . . ·.
MWD-001 MWD-001 5/8/2006 <1.00 2.01
MWD-002 MWD-002 5/8/2006 ~f . ,.,·•••;is'>--
l: J-.::~l~~~X~i\ 5.25
PVSMW-002 PVSMW-002 5/8/2006 <1.00 <1.00
MWS-003 MWS-003 5/8/2006 <1.00 <1.00
MWS-004 MWS-004 5/8/2006 <1.00 <1.00
.MWD-006 MWD-006 5/8/2006 0.402 J <1.00
CMW-007 CMW-007 5/8/2006 <1.00 <1.00
CMW-008 CMW-008 5/8/2006 <1.00 <1.00
CMW-009 CMW-009 5/8/2006 <1.00 <1.00
PVMW-010 PVMW-010 5/8/2006 <1.00 <1.00
PVMW-011 PVMW-011 5/8/2006 <1.00 <1.00
CMW-012 CMW-012 5/8/2006 <1.00 <1.00
CMW-013 CMW-013 5/8/2006 <1.00 <1.00
PVMW-014 PVMW-014 5/8/2006 0.599.J <1.00
PVMW-015 PVMW-015 5/8/2006 •~~.~;:11; "•·.t'"""l{;l:,'.,,;" k\f!{~:-Z?.~i;, 0.124 J
CMW-016 CMW-016 5/8/2006 <1.00 <1.00
All _results in ug/L
BQL = Below Quantitation Limits
Shaded areas indicate concentrations greater than the 2L GWQS.
< • Less than quantitation limits.
J = Estimated concentration, between calibration range and above Method Detection Limit
Client; 194040 Table 3 currenJ 602 (;W results.xis
CATLIN Project No. 194•040
1000
<1.00
0.117 J
<1.00
<1.00
<1.00
<1.00
<1.00
<1.00
<1.00
<1.00
<1.00
<l.00
<1.00
<1.00
<1.00
<1.00
Page I of I
•,,,.530 "·''_,, .. •. varie~, . .. .. . . .
<4.00 BQL
<4.66 BQL
<4.00 BQL
<4.00 BQL
<4.00 BQL
<2.525 J BQL
<4.00 BOL
<4.00 BQL
<4.00 BOL
<4.00 BOL
<4.00 BQL
<4.00 BOL
<2.274 J BQL
<4.00 BOL
<2.280 J BQL
<4.00 BOL
CATLIN Engineers and Scientists
May2006
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Date: May 2006 TABLE 4 SUMMARY OF HISTORICAL
GROUNDWATER LABORATORY RESULTS
New Hanover County Airport Burn Pit Superfund Site
ANALYTICAL METHOD· EPA Method 602
MWD-001
MWS-001
Compound ol Co_ricem ,
-+
Sample ,, . Date •'.
1D, Collected
2L GWQS (µg/l)
MWD-001
MWD-001
MWD-001
MWD-001
MWD-001
MW0-001
MWD-001
MW0-001
MWD-001
MWD-001
MWD-001
MWD-001
MWD-001
MWD-001
MWD-001
MWS-001
4/17/1991
5/7/1991
11/19/1991
?ll/1992
12/9/1992
6/8/1993
10/5/1994
6/11/2002
9/5/2003
lfl/2004
4/1/2004
7/21/2004
51212005
11/25/2005
518/2006
6/11/2002
~q::1·~?\.~ ~.-11;.1.1 {1'1~•. :-, 'lb-p ·:tl1·t.f_;,
~::1;•;1;~11t'; .-s1~~-◄:l''.,\· "''1•···~,· .-.. 1''~1161 ,. ':
<0.5
<0.5
<1
<1
<1
<1
<1
<1
,1
<0.5
Not induded in current groundwater sampling plan
MWD-002 4/17/1991
MWD-002 Sfl/1991
MW0-002 11/20/1991
MW0-002 7nl1992
MWD-002 12/9/1992
MWD-002 6/8/1993
MWD-002 10/611994
MWD-002 6/22/1998
MWD-002 6/25/1998
MWD-002 7/911998
MWD-002 MWD-002 7/23/1998
MWD-002 7/30/1998
MWD-002 1/16/2001
MWD-002 6/11/2002
MWD-002 9/5/2003
MWD-002 lfi/2004
MWD-002 4/1/2004
MW0-002 7/21/2004
MWD•002 512/2005
MW0-002 11/3/2005
MW0-002 5/8/2006
.
NHC Bumpit; 194040 Table 4 hist 602 CW results.xis
CATLIN Project No. 194-040
?~ w => ~ 0 ~ .
550 1,000,
8.SJ 2.0J
74 1.5J
88 1.1J
16 1.4J
10 <0.5
19 1.3J
<0.5 <0.5
6.0 <0.5
3.3 <1
35 <1
3.3 <1
2.92 <1
2.32 0.832 J
3.77 <1
2.01 <1
<0.5 <0.5
14J
13J
5.9J
2.8J
3.4J
<0.5
94
4.1
2.5
238
2.1
2.3
<0.5
<0.5
<1
<1
<1
<1
1.28
<1
0.117 J
Page I o/5
I 1'•';,,::·
' w
1 ... ': Z, ,.:;; ~: .~ .. ,~·
~' ~;._;
0 .~. "
',:', 530 •. -
25.3J
29.1J
<0.5
<0.5
<0.5
<0.5
<0.5
<1.5
<4
<4
<4
<4
<4
<4
<4
<1.5
82J
82J
<0.5
<0.5
<0.5
2.0J
35.9
23.2
27.4
115
20.8
<1.5
17.8
4.8
,7
<5.8
<4
23.68
3.44 J
<4
<4.66
CA TL/ N Engineers and Scientists
May2006
I
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Date: May 2006 TABLE 4 SUMMARY OF HISTORICAL
GROUNDWATER LABORATORY RESULTS.
New Hanover County Airport Burn Pit Superfund Site
ANALYTICAL METHOD· EPA Method 602
" ,,
; " >W,T ,,
Compound of cone~~ 'Z, w ~ Well ID ' ,-+:;: ' ✓ ; '· ,, '' w. ,, w w z ,m z
" w ., J 1, w Sample ~ Dale , ! ~. !;:'<_ I ~ ·' .. : ' ' / J ID Collected w ~· 0 m ~
_2L GWQS (µg/l). ' ,, ' . 1,000. 1 550
MWS-002 MWS-002 I 6/11/2002 <0.5 <0.5 <05
Not included in current groundwater sampling plan
PVSMW-002 6/11/2002 <0.5 <0.5 <0.5
PVSMW-002 9/4/2003 <1 <1 <1
PVSMW-002 1/7/2004 <1 <1 <1
PVSMW-002 PVSMW-002 4/1/2004 <1 <1 <1'
PVSMW-002 7/21/2004 <1 <1 <1
PVSMW-002 5/2/2005 <1 <1 0.921 J
PVSMW-002 11/3/2005 <1 <1 <1
PVSMW-002 5/8/2006 <1 <1 <1
MWS-003 4117/1991 <0.5 <0.5 0.89J
MWS-003 Sll/1991 <0.5 <0.5 <0.5
MWS-003 11/19/1991 <0.5 <0.5 <0.5
MWS-003 7rrt1992 <0.5 <0.5 <0.5
MWS-003 12/9/1992 <0.5 <0.5 <0.5
MWS-003 6/9/1993 <0.5 <0.5 <0.5
MWS•003 101511994 <5 <5 <5
MWS-003 MWS•OOJ 1/16/2001 !it~ ,4::i;."] 0.5 <0.5
MWS·003 6/11/2002 · <0.5 <0.5 <0.5
MWS•003 914/2003 <1 <1 <1
MWS•003 ln/2004 <1 <1 <1
MWS-003 4/1/2004 <1 <1 <1
MWS-003 7/21/2004 <1 <1 <1
MWS-003 512/2005 <1 <1 1'60
MWS-003 11/3/2005 <1 <1 <1
MWS•003 51812006 <1 <1 <1
MWS-004 4/17/1991 <0.5 <0.5 <0.5
MWS-004 Sll/1991 <0.5 <0.5 <0.5
MWS-004 7nt1991 <0.5 <0.5 0.52J
MWS-004 11/19/1991 <0.5 <0.5 <0.5
MWS-004 12/9/1992 <0.5 <0.5 <0.5
MWS•004 6/9/1993 <0.5 <0.5 <0.5
MWS·004 10/5/1994 <0.5 <0.5 <0.5
MWS-004 MWS-004 1/1612001 <0.5 <0.5 <0.5
MWS-004 6/11/2002 <0.5 <0.5 <0.5
MWS•004 914/2003 <1 <1 <1
MWS-004 1/8/2004 <1 <1 <1
MWS·004 4/1/2004 <1 <1 <1
MWS•004 7/21/2004 <1 <1 <1
MWS-004 512/2005 <1 <1 1.47
MWS-004 11/3/2005 <1 <1 <1
MWS-004 5/8/2006 <1 <1 <1
NHC B1m1pit; /94040 foble 4 hist 602 GW results.xis
CATLIN Project No. 194-040
'
Page 2 of 5
' ,, ~-~---fil z w ··ir\ J '~t ,I
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0 ~
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<1.5
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CATLIN Engineers and Scientists
May 2006
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Date: May 2006 TABLE 4 SUMMARY OF HISTORICAL
GROUNDWATER LABORATORY RESULTS
New Hanover County Airport Burn Pit Superfund Site
ANALYTICAL METHOD EPA Method 602
•:' ) ' .. ··
' ,. Compound of Concern ,,· ,, Well ID -w z w Sample Date S! ID Collected w m
2L GWQS (µg/L) 1 .
MWD-005 I 1/16/2001 <0.5
MWD-005 MWD·OOS 6/11/2002 <0.5
Not induded in a.men\ groundwater sampling plan
MW0-006 4/12/2001
MWD-006 6/11/2002
MW0-006 914/2003
MWD-006 1/8/2004
MND-006 MWD-006 4/1/2004
MWD-006 7/21/2004
MWD-006 51212005
MW0-006 11/3/2005
MW0-006 518/2006
CMW-007 6/11/2002
CMW-007 915/2003
CMW-007 1/7/2004
CMW-007 CMW-007 4/1/2004
CMW-007 7/21/2004
CMW-007 512/2005
CMW-007 11/3'£005
CMW-007 518/2006
CMW-008 6/11/2002
CMW-008 9/5/2003
CMW-008 1ll/2004
CMW-008 CMW-008 4/1/2004
CMW-008 7/21/2004
CMW-008 5/2/2005
CMW-008 11/3/2005
CMW-008 5/8/2006
CMW-009 6/11/2002
CMW-009 9/5/2003
CMW-009 1n12004
CMW-009 CMW-009 4/1/2004
CMW-009 7/21/2004
CMW-009 5/2/2005
CMW-009 11/312005
CMW-009 5/8/2006
NHC Burnpit; 194040 Table 4 hist 602 CW results.xis
CA TUN Project No. 194,040
<0.5
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<1
<0.5
<1
<1
<1
<1
<1
<1
<1
w ' z ·' w
I! ' ~--·· ,, w
\ z~ "' w ►' => ,c' "' lu" o· ...
550 1,000
<0.5 <0.5
<0.5 <0.5
<0.5 <0.5
<0.5 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
<1 0.490 J
<1 <1
<1 <1
<0.5 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
<1 0.736 J
<1 <1
<1 <1
<0.5 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
<1 0.810J
<1 <1
<1 <1
<0.5 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
<1 0.876 J
<1 <1
<1 <1
Page 3 o/5
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<4
<4
<4
CATLIN Engineers and Scientists
May 2006
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Date: May 2006 TABLE 4 SUMMARY OF HISTORICAL
GROUNDWATER LABORATORY RESULTS
New Hanover County Airport Burn Pit Superlund Site
ANALYTICAL METHOD· EPA Method 602
.. '.<·'. ' ~ -,'.1,, .
C~mp~urid of C~nCer/,' · '' ,, ";,, w ' .. ' . .
!z! 'Well ID .. ; ,_.. w ' ,w w z ., z
·{·,•Sample·· ., " ~-,,, ·~ (,, -~ " , .. , Dat«i, --~' '►'I % ~ '. ID . C~llected -· w .,. ~. ~ ., w
•.. , ' 2l GWQS (µg/L) 1 ,-550 l ~ 1,000,
PVMW-010 6111/2002 <0.5 <0.5 <0.5
· PVMW-010 9/5/2003 . <1 <1 <1
PVMW-010 1n12004 <1 <1 <1
PVMW-010 4/1/2004 <1 <1 <1 PVMW-010
PVMW-010 7/21/2004 <1 1.57 <1
PVMW-010 5/2/2005 <1 0.310J 0.866 J
PVMW-010 11/3/2005 <1 <1 <1
PVMW-010 5/812006 <1 <1 <1
. PVMW-011 6/11/2002 2,6 2.7 <0.5
PVMW-011 9/5/2003 <1 <1 <1
PVMW-011 ln/2004 <1 <1 <1
PVMW-011 4/1/2004 <1 <1 <1 PVMW-011
PVMW-011 7/21/2004 <1 <1 <1
PVMW-011 5/2/2005 <1 <1 0.976 J
PVMW-011 11/3/2005 <1 <1 <1
PVMW-011 5/8/2006 <1 <1 <1
CMW-012 6/11/2002 <0.5 <0.5 <0.5
CMW-012 9/5/2003 <1 <1 <1
CMW-012 1n12004 <1 <1 <1
CMW-012 4/1/2004 <1 <1 <1 CMW-012
CMW-012 7/21/2004 <1 <1 <1
CMW-012 5/2/2005 <1 <1 0.980 J
CMW-012 11/3/2005 <1 <1 <1
CMW-012 5/812006 <1 <1 <1
CMW-013 6'11/2002 <0.5 <0.5 <0.5
CMW-013 9/5/2003 <1 <1 <1
CMW-013 1/7/2004 <1 <1 <1
CMW-013
CMW-013 4/1/2004 <1 <1 <1
CMW-013 7/21/2004 <1 <1 <1
CMW-013 5/2/2005 <1 <1 1.24
CMW-013 11/3/2005 <1 <1 <1
CMW-013 5/812006 <1 <1 <1
PVMW-014 6/11/2002 .... ,, 1.6 <0.5
PVMW-014 9/4/2003 ~{~tt <1 <1
PVMW-014 1/7/2004 ;,. ,,:,::;,.: <1 <1
PVMW-014 4/1/2004 '.!//(Ji ''..: <1 <1 PVMW-014
PVMW-014 7/21/2004 <1 <1 <1
PVMW-014 5/2/2005 0.925 J 0.306 J 2.29
PVMW-014 11/3/2005 :i,~~ 0.319J <1
PVMW-014 5/8/2006 0.599 J <1 <1
NHC B11mpit; 194040 Table 4 hist 602 GW results,x/s
CATLIN Project No. 194-1140
Page4 ofS
.. ·'
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' ' :;g :tJG:-,,,
~
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<2.274 J
2.1
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<4
CA TL/ N Engineers and Scientists
May 2006
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Date: May 2006 TABLE 4 SUMMARY OF HISTORICAL
GROUNDWATER LABORATORY RESULTS
New Hanover County Airport Burn Pit Superfund Site
ANALYTICAL METHOD EPA M th d 602 ' 0
· ..
' ,, Co~pound ol Concern , ·«.(.
Well ID ~ w . . z : .
" w
Sample Date N ,. z
ID Collected ·w ,m
.
2L GWOS (µg/L) 1
PVMW•015 6/11/2002 '1'.4--.J,}4,1:i.t#.,;
PVMW-015 9/4/2003 <1
PVMW-015 1/8/2004 <1
PVMW-015 4/22/2004 <1 PVMW-015
PVMW-015 7/21/2004 <1
PVMW-015 5/2/2005 0.779 J
PVMW-015 11/3/2005 <1
PVMW-015 5/8/2006 ~1.15·,~f~ \
CMW-016 6/11/2002 <0.5
CMW-016 9/5/2003 <1
CMW-016 1/8/2004 <1
CMW-016 CMW-016 4/1/2004 <1
CMW-016 7121/2004 <1
CMW-016 5/2/2005 ,1
CMW-016 11/3/2005 <1
CMW-016 518/2006 <1
Al rasuts in ug'L
J • ConcentmMn is deteced t>e1ween Iha Ouant~B!On aOO Method Dectecfon Umts
Shaded !!gure 11(1,cates eorcertrat,on eu:eeds Iha appl,caDlll 2l GWOS.
< -less than quartrtat,on bm~s.
w ,, z .. w ' S! w ,, w ,v m,,, . ffi-~-, => er i5. lu ~
550 1,000
1.4 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
0.311 J 2.33
<1 <1.
0.124 J <1
<0.5 <0.5
<1 <1
<1 <1
<1 <1
<1 <1
<1 2.31
<1 <1
<1 <1
N/{C Bumpir; 194040 Table 4 hisr 602 G\V rern/t,-.x/s
CATLIN l'roject No. 194-040
.
Page 5 o/5
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530; ·: •··,,,
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<4
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CATLIN Engineers and Scientists
May 2006
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FIGURES
New Hanover County Burn Pit; 94040 mon rpl MA Y06.doc
CATLIN Project No. 194-040
CATLIN Engineers and Scientists
May 2006
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I =~~~~ci:~[L~oa;'aITTJ~~
ENGINEERS and SCIENTISTS V
I Wllmlngton, North Carolina
1,000 500 0 1,000 Feet
SCALE
PROJECT
NEW HANOVER COUNTY AIRPORT
BURN PIT SUPERFUND SITE
WILMINGTON, N.C.
BNO om 194-040 MAY 2006
TITLE
GENERAL LOCATION
USGS TOPOGRAPHIC QUADRANGLE
SCALE DRAWN BY
AS SHOWN OiECKED BY LCJ SAT
FIGURE
1
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T-13 EB
8
PVMW-015
(FORMERLY PVMW-7)
DENSE WOODS
RR SPIKE AT
(1_ PAVEMENT INTERSECTION
ELEV = 31.08' MSL
NOTE:
1. lHIS DRA'MNG WAS ADAPTED FROM EXISTING
EPA DRA'MNGS AND AERIAL MAPPING.
2. ~ LOCATIONS AND ELEVATIONS LOCATED
BY STOCKS LAND SUR',£11NG, P.C. DATED 24 APRIL 2001.
3. ~ IN BOID ARE INOLUDED IN OURRENT MONITORING
NETWORK AND ARE SAMPLED ON A SEMI-ANNUAL BASIS
NO. OESCRIPTI<JN
R VISIONS
8
PVMW-014
OAT£
/ MWD 005
8 PVSMW-002 8 MWD-002
TMW-2@
CMW-013
DENSE WOODS
.CMW-009
BLOCK B~
PVMW-011 8
DENSE WOODS
P-2 0
BLOCK BLDG.
DESQEl BY: WJW
DRA• BY:_......1,..,,_ __
a£0CED B'I': WJW
APPR0'G BY: GRG
OAre MAY 2006
-MA -
ENGINEERS and SCIENTISl'S
WILMINGTON, NORTH CAROUNA
GARDNER DRIVE RR g"K'
PRO.EC!
NEW HANOVER COUNTY
AIRPORT BURN PIT SUPERFUND
SITE WILMINGTON, N.C.
... ...
'-... ... ...
'-...
CMW-008 •
... ...
'-... ... ...
• CMW-007
(FORMERLY T-17)
LEGEND
EXISTING
EB
@
□ 8 • 0
mt£
80
DESCRIPTION
MONITORING WELL {NOT CURRENll Y SAMPLED)
TYPE Ill MONITORING WELL (NOT CURRENll Y SAMPLED)
PIEZOMETER
PERFORMANCE VERIFICATION MONITORING WELL
COMPLIANCE MONITORING WELL
POWER POLE
0 80
SCALE IN FEET
SITE MAP WITH CURRENT
MONITORING WELL LOCATIONS
1"=80' "''°· 194-040
"""'
2
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T-13 EB
DENSE WOODS
CMW-0@
(
C1
, , ,
I
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RR SPIKE AT
NOlE:
Ct PAVEMENT INTERSECTION
ELEV -31.08' MSL
1. THIS DRA\\lNG WAS ADAPlED FROM EXISTING
EPA DRAWINGS AND AERIAL MAPPING.
2. IIEll LOCATIONS AND ELEVATIONS LOCAlED
BY STOO<S LAND SUR~NG, P.C. DAllED 24 APRIL 2001.
HO. OESO<IP110H
REVISIONS
,, ,,
T-12 $
DATE
@MWS-004
ESTIMATED AREAL EXTENT OF
/
CONTAMINATION PRIOR TO
SYSTEM STARTUP
------2 ',
DENSE WOODS
BLOCK BLDG.
0
CMW-013
-"" ..... "" -"" APPR<MD""
OAID
PANEL BOX AND
METER BASE 3
PHASE 100 AMP
P-2 0
BLOCK BLDG.
T-16
WJW
WJW
GRG
MAY 2006
R-A -
DENSE WOODS
~-~
'MIJ,IIHGTON, NORTH CAROUNA
GARDNER DRIVE RR f'KE
PRO.ECT
NEW HANOVER COUNTY
AIRPORT BURN PIT SUPERFUNO
SITE 1'11LMINGTON, N.C.
CMW-008
@
CG
CMW-007
(FORMERLY T -1 7)
LEGEND
EXISTING
EB
e
0
G
[QI
0
mu
80
DESCRIPTION
MONITORING WELL (NOT CURRENll Y SAMPLED)
TYPE Ill MONITORING WELL (NOT CURRENll Y SAMPLED)
PERFORMANCE VERIFICATION MONITORING WELL
COMPLIANCE MONITORING WELL
PIEZOMETER
POWER POLE
SPARGE WELL WllH BOX
CONlROL VALVE BOX
0
SCALE IN FEET
80
SITE MAP WITH CURRENT
PULSE AIR SPARGE (PAS)
LOCATIONS
1 "=80' .oe NO. 194-040
"""'
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EB T-1J",
(26.72) ...... .... ....
--
....... 'ff'-....... n&~ ... -·~ .. . . --....... --"'CMW-016 .,,,.,,,•
(26.63) ---
----------
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--
• I
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-------------
• MWS-004 (26.89)
--
---' I
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I I ... __________ ....
----------------BLOCK BLDG.
G
_,
--,---·-
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CMW-009""" .........
• (27.36) ........
CMW-008 .
(27.77),.
'
.. 27.so...,
\J,, BLOCK B~
-----------
,:--21.00-~-----.._
, (26.90)
', IIPVSMW-002 ' ' ', MWD-0021 \ (26.88) t
', ,,.,. I \ w , \ I Tll!W-2 I (1'11') ,
' I \ I "
CMW-013
PVMW-011
9(27.14)
27.06) rrw.,vvvvv=~.,,,.~~~~,.,,,,;;;;;~~~~ .•
---------
• CMW-007
(FORMERLY T-17)
(27.39)
----------------------LEGEND
NOlo:
1. llilS DRA\\1NG WAS ADAPTED FR°"' EXISTING EPA DRA\\1NGS AND
AERIAL MAPPING.
2. WEI.L LOCATIONS AND ELEVATIONS LOCATED BY STOCKS LAND
SURVEYING, P .C. DA TED 24 APRIL 2001.
3. DATA FR°"' MWD-005 (NOT SHOWN) WAS USED FOR CONTOURING.
4. CONTOUR INTERVAL ~ 0.50 FOOT
.. -
TREATMENT
PANEi. BOX AND
ME1ER fll,il,, it ---
PH~'tOO AMP ,,'
, .. fzt-1,, 0
RR SPIKE AT It PAVEMENT INTERSECTION
ELEV = 31.08' MSI..
DES1CHD 8'r. WJW
BLOCK BLDG.
T-16
(26.53)
DRA• B'l': __ L.!oj __
l--+---------------------------+--4----1 Q£QCEII SY: WJW
l--1---------------------------1--4----I N'PRO",£D BY: GRG
HO. OESCRIP110N OATE DATE: MAY 2006
R VISIONS R-A -•
DENSE WOODS
-----
~-~
Y11LMINGT0N, NORTH CAROLINA
GARDNER DRIVE ""l""
PRO.ECT
NEW HANOVER COUNTY
AIRPORT BURN PIT SUPERFUND
SITE WILMINGTON, N.C.
EXISTING
EB
e
la
8 • 0
( )
NM ....
DESCRIPTION
MONITORING WELL {NOT CURRENTIL Y SAMPLED)
TYPE Ill MONITORING WELL {NOT CURRENTIL Y SAMPLED)
PIEZOMETER
80
PERFORMANCE VERIFICATION MONITORING WELL
COMPLIANCE MONITORING WELL
POWER POLE
GROUNDWATER ELEVATION IN FEET
NOT MEASURED
GROUNDWATER FLOW DIRECTION
GROUNDWATER CONTOUR
0 80
SCALE IN FEET
SITE MAP WITH GROUNDWATER
TABLE CONTOURS AS OF
MAY 08, 2006
1 "=BO' "" NO. 194-040
"""'
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T-13
(NS) EB
CMW-Oll!
(<1) •
8
PVMW-015
(FORMERLY PVMW-7)
(1.75)
DENSE WOODS
EBT-15
(NS)
RR SPIKE AT
NO'IB
't PAVEMENT INTERSECTION
ELEV = 31.08" MSL
1. THIS ORAV.,NG WAS AOAPlED FROM EXISTING
EPA DRAV.,NGS AND AERIAL MAPPING.
2. MJ..1. LOCATIONS ANO ELEVATIONS LOCAlED
BY STOO<S LAND SURVE"r1NG. P.C. OAlED 24 APRIL 2001.
3. MJ..1.S IN BOID ARE INC.UDED IN CURRENT MONITORING
NETWORK ANO ARE SAMPLED ON A SEMI-ANNUAL BASIS.
4. MJ..1.S HIGHUGHlED IN RED INDICATE LOCATIONS Of NON
COMPLIANT BENZENE CONCENTRATIONS.
NO. DESCR!PllON
R VISIONS
PVMW-014
(0.599J)
T-12...
(NS) IB
DAlE
• MWS-004 ( <1)
l C.
DENSE WOODS
BLOCK BLDG.
G
PVSMW-002Q
(31.3) 8 MWD-002
(<1)
TMW-2@
(NS)
CMW-013 (<1),
PVMW-011 0 (<1) ""
BLOCK BLDG.
•
CMW-009
(<1)
t:::;;
DENSE WOODS
PANEL BOX AND
METER BASE .3
PHASE 100 AMP
P-2 0
-... WJW
D!IA .. ... JHW
O£O<ED ... WJW _.... ... GBG
DATE: MAY 2006
-. -
BLOCK BLDG.
T-16
(NS)
WILMINGTON, NORTii CAROLINA
GARDNER DRIVE RR if"''
PRo.ECT
NEW HANOVER COUNTY
AIRPORT BURN PIT SUPERFUND
SITE WILMINGTON, N.C.
~
CMW-008
(<1) •
~
~
• CMW-007
(FORMERLY T-17)
(<1)
' ,.
~
' ' ~
LEGEND
EXISTING
EB
(S
8 • ID]
0
( )
NS
J
TillE
80
DESCRIPTION
MONITORING WELL {NOT CURRENTIL Y SAMPLED)
TYPE Ill MONITORING WELL {NOT CURRENTIL Y SAMPLED)
PERFORMANCE VERIFlCA TION MONITORING WELL
COMPLIANCE MONITORING WELL
PIEZOMETER
POWER POLE
BENZENE CONCENTRATION IN µg/L
NOT SAMPLED
ESTIMATED CONCENTRATION
0 80
SCALE IN FEET
SITE MAP WITH
BENZENE CONCENTRATIONS AS OF
MAY 8, 2006 5
1"=80" 194-040
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P-1
DENSE WOODS
T-13 ©
CMW-016
PVMW-015
(FORMERLY PVMW-7)
0
ZONE 6
0 0
0 MWS-004
TREATMENT
ESTIMATED SPARGE WELL RADIUS
OF INFLUENCE
BLOCK BLDG.
G
CMW-013
DENSE WOODS
NOlE, 1. THIS ORAVtlNG WAS AOAPlED FROM EXISTING
EPA ORAVtlNGS ANO AERIAL MAPPING.
2. l'IEU. LOCATIONS ANO ELEVATIONS LOCAlED
BY STOCKS LAND SURVEYING, P.C. DAlED 24 APRIL 2001. 3. l'IELI.S IN BOLO ARE INCLUDED IN CURRENT MONITORING
NETWORK AND ARE SAMPLED ON A SEMI-ANNUAL BASIS
4. ALL EXISTING lEMPORARY OR PERMANENT MONITORING l'IELI.S
INSIDE PLUME BOUNDARY NOT OESIGNAlED AS PERFORMANCE VERIFlCA TION l'IELI.S SHALL BE PROPERLY ABANDONED TO
PREVENT SHORT ORCUITlNG OF SPARGING.
5. ON 10/03/2005 ZONES 2, 4, 5, 10, 11, 15 ANO 16 HAVE BEEN
TURNED OFF REMAINING ZONES ARE STILL ACTIVE.
RR SPIKE AT ~ PAVEMENT INTERSECTION
ELEV -31.08' MSL
PANEL BOX ANO
METER BASE 3
PHASE 100 AMP
P-2 o·
BLOCK BLDG.
T-16
,....... ... _ __.w,,J~w __
~::::.:ti::-::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::.t::::::.:ti::-::::::.:j ..... ... --'-""---
~==~:::::::::::::::::::::::::::::::::::::::::::::::::::t===~~====l CHEaClD .,, __ W~J~W~-
t::j::::::::::::::::::::::::::::::::;;;::::::::::::::::::::::::::::±::::::jt::::::;;:j ....,.,.,.. .,, __ GS<JB»G._ _ _ _ ui.5ucri"M't _ .. , ij/11,~ D~~ _ MAY. 2ooe
R N
~-~ = I L__:::TON,. NORTH CAROLINA I
0
ZONE16
0
0 0
0
GARDNER DRIVE ""g''KE
PROLCT
NEW HANOVER COUNTY
AIRPORT BURN PIT SUPERFUND
..... ----
G
CMW-007
(FORMERLY T -17)
~
~
LEGEND
EXISTING
©
G
□
8
@
0
0
DESCRIPTION
MONITORING WELL (NOT CURRENTLY SAMPLED)
TYPE Ill MONITORING WELL (NOT CURRENTLY SAMPLED)
PIEZOMETER
PERFORMANCE VERIFICATION MONITORING WELL
COMPLIANCE MONITORING WELL
ACTIVE SPAR GE WELL
INACTIVE SPARGE WELL
o POWER POLE
80
,,.,
0 80
SCALE IN FEET
SITE MAP WITH LOCATIONS
OF PULSE SPARGE ZONES 6
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APPENDICES
New Hanover County Bum /'it; 94040 mon rpl MAY06.doc
CATLIN Project No. 194-040
CATLIN Engineers and Scientists
May 2006
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APPENDIX A
LABORATORY ANALYTICAL REPORTS AND
CHAIN OF CUSTODY DOCUMENTS
New Hanover County Burn Pit; 94040 mon rpl MA }'06.doc
CATLIN Project No. 194-040
CATLIN Engineers and Scientists
May 2006
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SGS ENVIRONMENTAL SERVICES, INC.
Mr. Rick Garrett
Richard Catlin & Associates
220 Old Dairy Rd.
Wilmington NC 28405
Report Number: G 128-1769
Client Project: Bum Pit
Dear Mr. Garrett:
Enclosed are the results of the analytical services performed under the referenced
project. The samples are certified to meet the requirements of the National
Environmental Laboratory Accreditation Conference Standards. Copies of this report
and supporting data will be retained in our files for a period of five years in the event
they are required for future reference. Any samples submitted to our laboratory will
will be retained for a maximum of thirty (30) days from the date of this report unless
other arrangements are requested.
If there are any questions about the report or the services performed during this project,
please call SGS/Paradigm at (910) 3 50-1903. We will be happy to answer any questions
or concerns which you may have.
Thank you for using SGS/Paradigm Analytical Labs for your analytical services. We look
forward to working with you again on any additional analytical needs which you may have.
Analytical Laboratories, Inc.
N.C. CERTIFICATION #481 1 of 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: MWD-001
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-1A
Lab Project ID: G128•1769
Analyte
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Ethylbenzene
Toluene
m/p-Xylene
o-Xylene
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Result
ug/L
BQL
BQL
BQL
BQL
BQL
2.01
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 10:35
Date Received: 5/9/2006
Matrix: Water
RL MDL DIiution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/20/2006
1.00 0.0399 5/20/2006
2.00 0.154 5/20/2006
1.00 0.0498 1 5/20/2006
2.00 0.0982 1 5/20/2006
1.00 0.0665 5/20/2006
1.00 0.0527 · 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike Percent
Added Result Recovery
40 41.1 103
Flags
N.C. CERTIFICATION #481
Reviewed By: ~
GC_LIMS_,~1 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: MWD-002
Client Project ID: Burn Pit
Lab Sample ID: G 128-1769-2A
Lab Project ID: G128-1769
Analyte Result
ug/L
("":Benzene-;:;: •. ;::f:-71i;~7':':\cf:,e{.'··;:;,:l;§f3,/:~31'.3n
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1 ,3-Dichlorobenzene BQL
1.4-Dichlorobenzene BOL
Ethylbenzene 5.25
Toluene 0.117
m/p-Xylene BOL
a-Xylene 2.66
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 13:00
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/20/2006
1.00 0.0399 5/20/2006
2.00 0.154 1 5/20/2006
1.00 0.0498 1 5/20/2006
2.00 0.0982 1 5/20/2006
1.00 0.0665 5/20/2006
1.00 0.0527 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike · Percent
Added Result Recovery
40 40.5 101
Flags
J
Reviewed By: L
GC~ N.C. CERTIFICATION #481 --3 of 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
"
Results for Volatiles
by GC 602
Client Sample ID: PVSMW-002.
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-3A
Lab Project ID: G128-1769
Analyte
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Ethyl benzene
Toluene
m/p-Xylene
a-Xylene
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit ..
Result
ug/L
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 12:30
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/19/2006
1.00 0.0399 5/19/2006
2.00 0.154 5/19/2006
1.00 0.0498 5/19/2006
2.00 0.0982 1 5/19/2006
1.00 0.0665 1 5/19/2006
1.00 0.0527 1 · 5/19/2006
2.00 0.139 1 5/19/2006
2.00 0.0847 1 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.8 102
Flags
N.C. CERTIFICATION #481
Reviewed By: L
GC_LIMS_v~ Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: MWS-003
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-4A
Lab Project ID: 8128-1769
Analyte · Result
ug/L
Benzene BQL
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1 ,4-Dichlorobenzene BQL
Ethylbenzene BQL
Toluene BQL
m/p-Xylene BQL
o-Xylene BQL
Surrogate Spike Recoveries
Trlfluorotoluene
Comments:
All values corrected for dilution.
BQL ; Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 14:40
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/19/2006
1.00 0.0399 1 5/19/2006
2.00 0.154 1 5/19/2006
1.00 0.0498 5/19/2006
2.00 0.0982 5/19/2006
1.00 0.0665 5/19/2006
1.00 0.0527 1 5/19/2006
2.00 0.139 1 5/19/2006
2.00 0.0847 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.7 102
Flags
N.C. CERTIFICATION #481
Reviewed By: b__
GC_UMS_,5 Of 2Q
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: MWS-004
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-5A
Lab Project ID: G 128-1769
Analyte
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
.. 1.4-Dichloroben_zene
Ethyl benzene
Toluene
m/p-Xylene
o-Xylene
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Result
ug/L
BQL
BOL
BOL
BQL
BQL
BQL
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 14:30
Date Received: 5/912006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/19/2006
1.00 0.0399 1 5/19/2006
2.00 0.154 1 5/19/2006
1.00 0.0498 1 5/1912006
2.00 0.0982 1 5/19/2006
1.00 0.0665 1 5/19/2006
1.00 0.0527 1 5/19/2006
2.00 0.139 1 5/19/2006
2.00 0.0847 1 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.9 102
Flags
N.C. CERTIFICATION #481
Reviewed By: I. ·
GC~Of2Q
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: MWD-006
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-6A
Lab Project ID: G128-1769
Analyte
Benzene
Chlorobenzene
1 ,2-Dichlorobenzene
1 ,3-Dichlorobenzene
1 .4-Dichlorobenzene
Ethylbenzene
Toluene
m/p-Xylene
o-Xylene
Surrogate Spike Recoveries
Trifiuorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Result
ug/L
0.402
BQL
BQL
BQL
BQL
BQL
BQL
BQL
0.525
Analyzed By: JTF
Date Collected: 5/8/2006 14:50
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ugfl ug/L Factor Analyzed
1.00 0.0414 1 5/19/2006
1.00 0.0399 1 5/1912006
2.00 0.154 1 5/1912006
1.00 0.0498 1 5/1912006
2.00 0.0982 1 5119/2006
1.00 0.0665 1 5/19/2006
1.00 0.0527 5119/2006
2.00 0.139 5/19/2006
2.00 0.0847 1 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.8 102
Flags
J
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N.C. CERTIFICATION #481
Reviewed By: k_
GC_UMS_,'-1 Of 20
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SGS ENVIRONMENTAL SERVICES, INC.
Results for Volatiles
by GC 602
Client Sample ID: CMW-007
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-7A
Lab Project ID: G128-1769
Analyte
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Ethylbenzene
Toluene
m/p-Xylene
. o-Xylene
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit..
Result
ug/L
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 10:50
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/19/2006
1.00 0.0399 5/19/2006
2.00 0.154 5/19/2006
1.00 0.0498 5/19/2006
2.00 0.0982 5/19/2006
1.00 0.0665 5/19/2006
1.00 0.0527 5/19/2006
2.00 0.139 5/19/2006
2.00 0.0847 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.9 102
Flags
N.C. CERTIFICATION #481
Reviewed By: _k__
GC_LIMS_,28 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
Results for Volatiles
by GC 602
Client Sample ID: CMW-008
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-8A
Lab Project ID: G 128-1769
Analyte
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Ethylbenzene
Toluene
m/p-Xylene
o-Xylene
Surrogate Spike Recoveries
Trifiuorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Result
ug/L
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 11 :00
Date Received: 5/9/2006
Matrix: Water
RL MDL DIiution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/19/2006
1.00 0.0399 5/19/2006
2.00 0.154 1 5/19/2006
1.00 0.0498 5/19/2006
2.00 0.0982 5/19/2006
1.00 0.0665 5/19/2006
1.00 0.0527 5/19/2006
2.00 0.139 5/19/2006
2.00 0.0847 5/19/2006
Spike Spike Percent
Added Result Recovery
40 40.8 102
Flags
Reviewed By: \
GC~
N.C. CERTIFICATION #481 --g of 20
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SGS ENVIRONMENTAL SERVICES, INC.
Results for Volatiles
by GC 602
Client Sample ID: CMW-009
Client Project ID: Burn Pit
Lab Sample ID: G128-1769·9A
Lab Project ID: G128-1769
Analyta
Benzene
Chlorobenzene
1,2-Dichlorobenzene
1,3-Dichlorobenzene
1,4-Dichlorobenzene
Ethyl benzene
Toluene
m/p-Xylene
o-Xylene
Surrogate Spika Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BOL = Below quantitation limit.
Result
ug/L
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
BQL
Analyzed By: JTF
Date Collected: 5/8/2006 10:45
Date Received: 5/9/2006
Matrix: Water
Rl MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/19/2006
1.00 0.0399 1 5/19/2006
2.00 0.154 1 5/19/2006
1.00 0.0498 1 5/19/2006
2.00 0.0982 1 5/19/2006
1.00. 0.0665 1 5/19/2006 ·
1.00 0.0527 1 5/19/2006
2.00 0.139 1 5/19/2006
2.00 0.0847 1 5/19/2006
Spika Spike Percent
Added Result Recovery
40 40.8 102
Flags
N.C. CERTIFICATION #481
Reviewed By: k__
GC_LIMS_,2110 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
Client Sample ID: PVMW-010
Client Project ID: Burn Pit
Results for Volatiles
by GC 602
Analyzed By: JTF
Lab Sample ID: G128-1769-10A
Lab Project ID: G128-1769
Date Collected: 5/8/2006 0:00
Date Received: 5/9/2006
Matrix: Water
Analyte Result RL MDL Dilution
ug/L ug/L ug/L Factor
Benzene BQL 1.00 0.0414
Chlorobenzene BQL 1.00 0.0399
1 ,2-Dichlorobenzene BQL 2.00 0.154 1
1,3-Dichlorobenzene BQL 1.00 0.0498 1
1 ,4-Dichlorobenzene BQL 2.00 0.0982
Ethylbenzene BQL 1.00 0.0665 1
Toluene BQL 1.00 0.0527 1
m/p-Xylene BQL 2.00 0.139
a-Xylene BQL 2.00 0.0847
Surrogate Spike Recoveries Spike Spike
Added Result
Trifluorotoluene 40 41.0
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
N.C. CERTIFICATION #481
Date
Analyzed Flags
5/20/2006
5/20/2006
5/20/2006
5/20/2006
5/20/2006
5/20/2006
5/20/2006
5/20/2006
5/20/2006
Percent
Recovery
102
Reviewed By: L
GC_LIMS_"2111 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: PVMW-011
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-11A
Lab Project ID: G128-1769
Analyte Result
ug/L
Benzene BOL
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1,4-Dichlorobenzene BOL
Ethyl benzene BOL
Toluene BQL
m/p-Xylene BQL
a-Xylene BQL
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 12:45
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/20/2006
1.00 0.0399 5/20/2006
2.00 0.154 5/20/2006
1.00 0.0498 5/20/2006
2.00 0.0982 5/20/2006
1.00 0.0665 5/20/2006
1.00 0.0527 · 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike Percent
Added Result Recovery
40 41.3 103
Flags
N.C. CERTIFICATION #481
Reviewed By: L
GC_LIM5_'21' 2 Of 2Q
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: CMW-012
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-12A
Lab Project ID: 8128-1769
Analyte Result
ug/L
Benzene BQL
Chlorobenzene BOL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1,4-Dichlorobenzene BOL
Ethyl benzene BQL
Toluene BQL
. m/p-Xylene BQL
o-Xylene BQL
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 12:00
Date Received: 5/9/2006
Matrix: Water
RL MDL DIiution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/20/2006
1.00 0.0399 1 5/20/2006
2.00 0.154 1 5/20/2006
1.00 0.0498 1 5/20/2006
2.00 0.0982 5/20/2006
1.00 0.0665 1 5/20/2006
1.00 0.0527 1 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike Percent
Added Result Recovery
40 41.0 102
Flags
N.C. CERTIFICATION #481
Reviewed By: \ ·
GC~30f2Q
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: CMW-013
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-13A
Lab Project ID: G128-1769
Analyte Result
ug/L
Benzene BQL
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1,4-Dichlorobenzene BQL
Ethylbenzene BQL
Toluene BQL ·
m/p-Xylene BQL
a-Xylene 0.274
Surrogate Spike Recoveries
Triftuorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: ·JTF
Date Collected: 5/8/2006 12:20
Date_ Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/20/2006
1.00 0.0399 5/20/2006
2.00 0.154 5/20/2006
1.00 0.0498 1 5/20/2006
2.00 0.0982 1 5/20/2006
1.00 0.0665 5/20/2006
1.00 0.0527 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 1 5/20/2006
Spike Spike Percent
Added Result Recovery
40 41.0 102
Flags
J
Reviewed By·: L
GC LIMS v2.1
N.C. CERTIFICATION #481 --14of20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatlles
by GC602
Client Sample ID: PVMW-014
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-14A
Lab Project ID: 8128-1769
Analyte Result
ug/L
Benzene 0.599
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1,4-Dichlorobenzene BOL
Ethylbenzene BQL
Toluene BQL
m/p-Xylene BOL
o-Xylene BOL
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 14:00
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/20/2006
1.00 0.0399 1 5/20/2006
2.00 0.154 1 5/20/2006
1.00 0.0498 5/20/2006
2.00 0.0982 5/20/2006
1.00 0.0665 5/20/2006
1.00 0.0527 1 5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike Percent
Added Result Recovery
40 41.2 103
Flags
J
N.C. CERTIFICATION #481
Reviewed By: k_
GC_LIMS_,,i 15 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: PVMW-015
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-15A
Lab Project ID: G128-1769
Analyte Result
ug/L
E~enZ:~Q..e~.t. :r~W'7t_,44.:: , .• ~ ·"' · • 1:15::::J ~~·-.~,,.,.,,·,· ·,
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1,4-Dichlorobenzene BQL
Ethylbenzene 0.124
Toluene BQL
m/p-Xylene BQL
o-Xylene 0.280
Surrogate Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit. .
Analyzed By: JTF
Date Collected: 5/8/2006 14:10
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 5/20/2006
1.00 0.0399 5/20/2006
2.00 0.154 5/20/2006
1.00 0.0498 5/20/2006
2.00 0.0982 5/20/2006
1.00 0.0665 1 5/20/2006
1.00 0.0527 1 -5/20/2006
2.00 0.139 5/20/2006
2.00 0.0847 5/20/2006
Spike Spike Percent
Added Result Recovery
40 40.9 102
Flags
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N.C. CERTIFICATION #481
Reviewed By: L
GC_LIMS_,21'5 Qf 20
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
Results for Volatiles
by GC 602
Client Sample ID: CMW-016
Client Project ID: Burn Pit
Lab Sample ID: G128-1769-16A
Lab Project ID: G128-1769
Analyte Result
ug/L
Benzene BQL
Chlorobenzene BQL
1,2-Dichlorobenzene BQL
1,3-Dichlorobenzene BQL
1.4-Dichlorobenzene BQL
Ethylbenzene BQL
Toluene BQL
m/p-Xylene BQL
a-Xylene BQL
Surrogate.Spike Recoveries
Trifluorotoluene
Comments:
All values corrected for dilution.
BQL = Below quantitation limit.
Analyzed By: JTF
Date Collected: 5/8/2006 15:00
Date Received: 5/9/2006
Matrix: Water
RL MDL Dilution Date
ug/L ug/L Factor Analyzed
1.00 0.0414 1 5/20/2006
1.00 0.0399 1 5/20/2006
2.00 0.154 1 5/20/2006
1.00 0.0498 1 5/20/2006
2.00 0.0982 1 5/20/2006
1.00 0.0665 1 5/20/2006
1.00 0.0527 1 5/20/2006
2.00 0.139 1 5/20/2006
2.00 0.0847 1 5/20/2006
Spike Spike ·Percent
Added Result Recovery
40 40.9 102
Flags
N.C. CERTIFICATION #481
Reviewed By:\·
GC~7 Of 2Q
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SGS ENVIRONMENTAL SERVICES, INC.
SG$
List of Reporting Abbreviations
and Data Qualifiers
B = Compound also detected in batch blank
BQL = Below Quantitation Limit (RL or MDL)
DF = Dilution Factor
Dup = Duplicate
D = Detected, but RPO is> 40% between results in dual column method.
E = Estimated concentration, ·exceeds calibration range.
J = Estimated concentration, below calibration range and above MDL
LCS(D) = Laboratory Control Spike (Duplicate)
MDL a:· Method Detection Limit
MS(D) = Matrix Spike (Duplicate)
POL= Practical Quantitation Limit
RL = Reporting Limit
RPO = Relative Percent Difference
mg/kg = milligram per kilogram, ppm, parts per million
ug/kg = micrograms per kilogram, ppb,_ parts per billion
mg/L = milligram per liter, ppm, parts per million
ug/L = micrograms per liter, ppb, parts per billion
% Rec = Percent Recovery
% soilds = Percent Solids
Special Notes:
1) Metals and mercury samples are digested with a hot block, see the standard
operating procedure document for details.
2) Uncertainty for all reported data is less than or equal to 30 percent.
N.C. CERTIFICATION #481
Ml34 030606.3
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APPENDIX B
BENZENE CONCENTRATIONS VERSUS TIME GRAPH
New Hanover County Hurn Pit; 94040 111011 rpt MA Y06.doc
CATLIN Project No. 194-040
CATLIN Engineers and Scielllists
May 2006
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Benzene Concentrations vs. Time
New Hanover County Airport Burnpit Superfund Site
120
100
80
60
40
NOTE: Only wells exhibiting Benzene concentrations above
the 2L GWQS are shown. Date
---+--MWD-001
-MW0-002
~ MWS-003
-MWD-006
llE PVMW-011
e PVMW-014
--+--PVMW-015
- - - - --2L GWQS = 1 ug/L