NCD122263825_20110301_JFD Electronics - Channel Master_FRBCERCLA FYR_Work Plan for Implementation of Second Five-Year Review Recommendations-OCR

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AS'COM Environment Prepared for:
JFD Electronics/CMSS, Inc.
Oxford, North Carolina
Prepared by:
AECOM
Raleigh, NC
60196585
March 2011
Work Plan for Implementation of Second
Five Year Review Recommendations
JFD Electronics/Channel Master Site
Oxford, North Carolina
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~COM Environment Prepared for:
JFD Electronics/CMSS, Inc.
Oxford, North Carolina
Prepared by:
AECOM
Raleigh, NC
60196585
March 2011
Work Plan for Implementation of Second
· Five Year Review Recommendations
JFD Electronics/Channel Master Site
Oxford, North Carolina
Prepared By:
Michael T. Jordan, P
Project Geologist
~~~~1i~~
William H. Doucette, Jr., Ph.D.
Project Coordinator for the Responsible Parties
&,ad/ /f /k/Yf,/tJ7
Prepared By: I
Gerald Hornaday, P.E.
Project Engineer
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AECOM Environment
Contents
1.0 Introduction ...................................................................................................................... 1-1
1.1 Site Location and History.. . ..................... 1-1
· 1.2 Regulatory Summary.. . ........ 1-2
1.3 Review of Second Five-Year Review Recommended Actions and Proposed Work ....... 1-3
2.0 Investigation Approach .................................................................................................. 2-1
2.1 Downgradient Plume Delineation ....................................................................................... 2-1
2.2 Source Zone Characterization .................... 2-1
2.3 Vapor Intrusion Evaluation·. ..2-2
2.4 Potable Well Survey Update .............................................................................................. 2-2
3.0 Evaluation of Capture Zones and Potential Remedy Modifications ......................... 3-1
3.1 Groundwater Flow Model Update .......... 3-1
3.2 Potential for Optimizing the Recovery Well Capture . . . .... 3-1
3.3 Evaluation of Existing Remedy .......................................................... 3-2
3.4 Evaluation of Supplemental Remedy Modifications ......................................................... 3-2
4.0 Institutional Controls ...................................................................................................... 4-1
4.1 Institutional Controls for Groundwater Use Restrictions.. . ............ 4-1
4.2 On-site Land Use Restrictions .. . .................................................... ~1
5.0 Field Procedures ............................................................................................................. 5-1
5.1 PropertyAccess .............. 5-1
5.2 Membrane Interface Probe Survey ... . ...................................... ~1
5.3 Well Installation and Sampling Procedures ... . .......... 5-1
5.4 Soil Vapor Well Installation and Sample Collection ........................................................... 5-2
5.5 Sample Custody, Packaging, and Shipment ................... 5-2
5.6 Equipment Decontamination .............................................................................................. 5-3
5.7 Investigative Derived Waste ................... 5-3
5.8 Location and Elevation Survey..... . ................................................................................. 5-3
6.0 Data Management and Reporting Plan ......................................................................... 6-1
60HJ6585 Marcil 2011
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AECOM Environment
6.1 Field Records .. ··························6-1
6.2 Sample Designation ...... 6-1
6.3 Quality Control/Quality Assurance ..................................................................................... 6-1
6.4 Summary Report .... ····················································································~1
7.0 Schedule ........................................................................................................................... 7-1
8.0 References ....................................................................................................................... 8-1
List of Appendices
Appendix A
60196585
Instructions for Preparing a Notice of an Inactive Hazardous Substance or Waste
Disposal Site for Recordation
March 2011
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AECOM Environment
List of Tables
Table 2-1
Table 4-1
Summary of Sample Analysis Plan
Off-Site Propertiesf $v ~ _..,. 0-
List of Figures
111M .+o,:-::._w J1
Figure 2-1 Proposed OPT Saml"" Locations •
So',/ V,,.,-lJdt I oc....J.... ~ 11-i. "'-f Figure 2-2 Proposed GFOsA-lwalor MaAlio~iRg 'Aiall&
Figure 2-3
Figure 2-4
60196585
Proposed ~gla:,~<L~-;fi;~+e.r <; ---rtl.. c.J.-. ~~,
~ p f: ~ -:er I,__ L, , •.. ,?.:~/\ J11 -f
Proposed ,Sgil \ la13sr Wells
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March 2011
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I AECOM Environment IV
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I List of Acronyms
bis below land surface
I City City of Oxford
DNAPL dense nonaqueous phase liquid
I DPT direct push technology
I DQO Data Quality Objective}
EC electrical conductivity
I ECO Electron Capture Detector
EPA United States Environmental Protection Agency
I ERO enhanced reductive dechlorination
(8) electrical resistance heating
I ESD Explanations of Significant Difference
I FDR Final Design Report
FID Flame Ionization Detector
I FSAP Field Sampling and Analysis Plan
FYR Five-Year Review
I HI hazard index
IDW investigative derived waste
I IHSB Inactive Hazardous Sites Branch
I MIP membrane interface probe
MPE multi-phase extraction
I NCDENR North Carolina Department of Environment and Natural Resources
NCDHR North Carolina Department of Human Resources
I PIO Photo-ionization Detector
QA/QC quality assurance/quality control
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I AECOM Environment V
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I RP responsible partie&-'-f
TCE trichloroethene
I voe volatile organic compound/
ZVI zero valent iron
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AECOM Environment 1-1
1.0 Introduction
AECOM prepared this work plan on behalf of JFD Electronics and Avnet, Inc. (Responsible Parties
[RPs)), in response to a letter from the United States Environmental Protection Agency (EPA) dated
January 18, 2011 (EPA, 2011) for the JFD Electronics/Channel Master Site (the Site) located at 620
West Industry Drive, Oxford, North Carolina, concerning the recommendations from the second Five
Year Review (FYR). The second FYR focused on performance of the remedy evaluation with respect
to protection of human health and environment. This work plan describes the proposed actions to
address the recommendations identified by EPA in the January 18, 2011 letter.
1.1 Site Location and History
The Site is located in Oxford, Granville County, North Carolina and consists of approximately 13 acres
of property containing the concrete slabs and foundations of two former buildings. Television
antennas were once manufactured at the Site, a process that involved copper and nickel
electroplating and chrome conversion coating of antenna parts. Manufacturing processes also
involved the degreasing of parts using solvents, including trichloroethene (TCE) (Geraghty & Miller,
1993 and Geraghty & Miller, 1995). Spent solvents reportedly were disposed outside of the main
building near a loading dock. After manufacturing operations ended in the early 1980s, the Site was
operated by Avnet EMG for packaging and distributing electronic parts until February 28, 2003. The
Site is currently owned by CMSS, Inc. The main building was demolished in early 2008, and only the
concrete slab and foundation remain. The second building, identified as the former Bandag
Warehouse, was also demolished in early 2008 and only the concrete slab and foundation remain. A
detailed operational history of the Site is included in the Remedial Investigation and Feasibility Study
reports prepared by Bechtel Environmental, Inc. (Bechtel, 1992a and 1992b). The Final Design
Report (FDR) was prepared in July 1996 and was approved by the EPA in September 1996.
The groundwater remediation system consists of four (4) deep saprolite recovery wells (up to 60 feet
below ground surface), three (3) shallow recovery wells (up to 25 feet below ground surface), and one
shallow tray air stripper for treatment of volatile organic compounds (VOCs) in contaminated
groundwater. The air stripper discharges treated effluent to the City of Oxford (City) sanitary sewer
system. The total depths of the recovery wells PW-1, PW-2, PW-3, and PW-4 are 60-feet, 37-feet,
24-feet, and 58-feet, respectively. The shallow recovery wells that form the PW-5 cluster, designated
PW-5A, PW-5B, and PW-5C, are each 25-feet deep. Details of the remediation system construction
can be found in the Final Construction Report -Revision 1 (ARCADIS G&M of North Carolina, Inc.,
2000).
The treatment system startup occurred in late August 1998 and the first weekly samples from the
remediation system were collected on September 2, 1998. The analytical results of this sampling
event indicated the presence of total cyanide in concentrations that exceeded the discharge limits to
surface water. Therefore, the system was shut down when analytical results were received, and an
alternative discharge route that accepted low concentrations of total cyanide was pursued. Based on
negotiations with the City, an effluent connection to the City sewer system was installed in March
2000. The treatment system began operation in April 2000.
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AECOM Environment 1-2
1.2 Regulatory Summary
A Preliminary Assessment was conducted by the North Carolina Department of Human Resources
(NCDHR), Comprehensive Environmental Response, Compensation and Liability Act of 1980 Unit, in
May 1987, with a subsequent site inspection conducted by the NCDHR and EPA in June 1987. The
Site was added to the National Priorities List by EPA in October 1989 (Bechtel, 1992a). Initially
contamination at the Site included groundwater and impacted soils and sludge that remained on the
property
A Remedial Investigation and Feasibility Study were completed between September 1989 and
September 1992, and a Record of Decision was issued by EPA in September 1992. The remedial
design phase, including pre-design data collection, began in March 1993. The FDR for groundwater
was prepared in July 1996 and was approved by EPA in September 1996. Amendments and
Explanations of Significant Difference (ESD) were finalized for the groundwater portion of the Site in
December 1995.
The remedial design was implemented and construction began on the groundwater remediation
system in May 1998. The remediation system was initially completed in August 1998 and the system
began initial operation in September 1998 and operated for approximately one week. After system
modifications and receipt of a permit to discharge to the City wastewater treatment system, the
system was restarted on April 12, 2000.
The initial FYR, completed in 2005, concluded that the Site remedy was protective; however, three
issues were identified for follow-up. These issues included: 1) evaluation of potential vapor intrusion
into residential structures down plume (Oxford Housing); 2) evaluation·of groundwater discharge to
unnamed tributaries; and 3) evaluation of source area mass removal options. EPA approved a work
plan on March 8, 2006, and a report summarizing the results was prepared and submitted to EPA on
February 15, 2007 (ENSR, 2007). EPA provided its comments on this report in a letter dated March
19, 2008. AECOM addressed these comments in a letter dated July 31, 2008. EPA concurred with
the July 31, 2008 AECOM response in a memorandum dated August 10, 2009.
In September 2010 EPA completed and issued the second FYR Report for the Site. EPA did not
include a protectiveness statement in the report, but rather identified eight recommended actions to be
completed in order to evaluate remedy protectiveness. The eight actions are listed below.
1. Issue an ESD to include institutional controls not addressed in the decision documents.
2. Implement institutional controls deemed necessary for protectiveness.
3. Further define the nature of and lateral and vertical extent of the contaminated plume.
4. Evaluate the capture zone of the current pump and treat system.
5. Make modifications to the remedy as necessary to achieve remedial action objectives.
6. Re-evaluate human health risk from indoor air vapor intrusion due to groundwater
contamination.
7. Evaluate the need to revise cleanup goals to meet current North Carolina groundwater
standards.
8. Conduct a well survey to determine if potential receptors are at risk of exposure.
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AECOM Environment 1-3
EPA issued a letter to the RPs dated January 18, 2011 requesting them to address the above
recommendations except for actions 1 and 7, which are to be completed by EPA. EPA also requested
. the characterization of the contamination source area for the purpose of better estimating the costs of
source area treatment. The RPs agreed to perform these actions and requested a delayed work plan
submittal date. This work plan was prepared in compliance with EPA's January 18, 2011 request.
1.3 Review of Second Five-Year Review Recommended Actions and
Proposed Work
The second FYR identified the need for institutional controls to improve remedy protectiveness.
Specifically, EPA in its letter dated January 18, 2011 requested the RPs "to attempt to invoke
institutional controls pursuant to the North Carolina Well Construction Standards at off-site properties
with groundwater impacts." On behalf of the RPs, AECOM proposes to secure and record with
Granville County a "contaminated" designation for the Site and affected off-site properties. However,
such a designation appears to require consent of the property owner and thus may prove to be
unobtainable. The RPs have also agreed to place land use controls via a deed restriction to the JFD
Electronics/Avnet property following North Carolina Department of Environment and Natural
Resources (NCDENR) protocols to control the use of groundwater and verify land use consistent with
future remedy implementation.
With respect to the second FYR recommendation to define further the nature of and lateral and
vertical extent of the contaminated plume, it is our understanding that the EPA's concern is limited to
the vicinity of well CMMW-24, the most downgradient monitoring well. According to groundwater flow
analysis conducted during the initial FYR in 2005, the leading edge of the plume discharges to an
unnamed tributary of Fishing Creek located east of the Oak Ridge Housing Development and may not
be collected by the pump & treat system. Well CMMW-24 was initially installed as the sentinel well
slightly beyond the leading edge of the plume. Contaminant concentrations in well CMMW-24 have
slowly increased over the past ten years to concentrations above the remediation goals. In 2005 the
concentrations in well CMMW-24 at the leading edge of the plume were slightly above cleanup goals
but were decreasing. Since 2005, the concentrations at well CMMW-24 have increased, which
indicates that the exact location of the leading edge of the plume is not fully defined by well CMMW-
24. Given our current understanding of the local hydrogeology, it is unlikely the plume geometry has
shifted significantly and the plume continues to discharge to the creek. AECOM, on behalf of the RPs,
proposes to accomplish the delineation of the downgradient edge of the plume through the collection
of grab groundwater samples using direct-push techniques (DPT). Based on the direct-push
groundwater sample results, as many as two new sentinel monitor wells are proposed. Installation of
these items will require access to off-site properties.
The second FYR identified the need to investigate the capture zones of the existing pumping
(recovery) wells. As indicated in the Record of Decision, it was anticipated that groundwater
containment and removal may last for 30 years, but the exact timeframe is dependent upon a number
of variables including allowable pumping rates and removal efficiencies. A thorough evaluation of
recovery well capture zones was conducted as a component of the initial FYR (ENSR, 2005a). The
evaluation utilized water level data from all the existing wells and a calibrated groundwater flow model
(MODFLOW). The evaluation demonstrated that the majority of contaminated groundwater was
captured in the recovery wells. A small portion of the contaminated groundwater bypasses the
recovery wells and discharges to surface water. However, surface water quality was not found to
exceed Title 15A North Carolina Administrative Code (NCAC), 28 standards and thus the remedial
action objectives were met We propose to re-evaluate capture zones by updating and refining the
2005 models. Additional wells will be installed and water levels in off-site monitoring wells installed by
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AECOM Environment
either parties (Cristex) will be monitored to improve water level information. This effort is contingent
upon obtaining access to wells installed by other parties.
1-4
EPA identified the need for additional source zone characterization as a means to more accurately
evaluate the costs of source control options. On behalf of the RPs, AECOM proposes to investigate
source zone impacts associated with known historical operations. Historically, the suspected releases
are associated with the former waste oil underground storage tank, an eight-inch concrete drain pipe,
and the former scrap metal and trailer washdown area. The investigation will focus on these areas
located southwest of the building footprint in the saturated zone from the water table to direct push
technology (DPT) refusal (anticipated at approximately 40 feet below land surface [bis]). To evaluate
mass distribution in three dimensions, AECOM proposes to use DPT equipped with a membrane
interface probe (MIP).
The second FYR identified the need to modify the remedy (i.e. pump and treat) as necessary to
achieve remedial action objectives. Remedial objectives with respect to groundwater include
containment of the plume and restoring groundwater to its former beneficial use. AECOM proposes to
identify potential reconfigurations of the recovery wells and evaluate supplemental remedies to
expedite achievement of remedial objectives. Three remedial alternatives (electrical resistive heating
[ERH], surfactant flushing, and in-situ enhanced reductive dechlorination [ERO]) were previously
evaluated subsequent to the first FYR AECOM proposes an updated analysis of the two most
promising of these three technologies, ERH and ERO, as well as hot spot application of multi-phase
extraction (MPE). ERO was pilot tested at the Site.
The second FYR identified the need to update the potable well survey last conducted in 1992. In the
time since the last survey, AECOM has monitored land use and development in the vicinity of the Site.
AECOM is not aware of changes that potentially involve installation of a water supply well. AECOM
proposes to conduct a survey of wells within a 0.5-miles radius of the Site. The survey will include a
review of public utility records followed by a windshield drive-by survey.
The 2007 vapor intrusion study concluded that predicted risks for a potential resident of the down-
gradient housing development are within or below acceptable risk benchmarks. However, due to
increased groundwater concentrations in the vicinity of the down-gradient housing development
(monitoring well CMMW-23) identified in the second FYR, EPA requested a second vapor intrusion
study. Vapor intrusion concerns will be evaluated through the installation of sub-slab soil vapor wells
at the western most two apartment buildings in the Oak Ridge Housing Development. This is
contingent upon procuring access from Oak Ridge Housing Development.
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AECOM Environment 2-1
2.0 Investigation Approach
2.1 Downgradient Plume Delineation
The horizontal and vertical extent of shallow groundwater impacts will be delineated via the collection
of grab groundwater samples. Samples will be collected from boreholes advanced using DPT drilling
to obtain grab groundwater samples. Up to 11 locations are proposed based on constituent
distribution in recent groundwater sampling events. Samples will be collected from locations in the
vicinity of the Oak Ridge Housing Development and monitor wells CMMW24 and CMMW23 (Figure 2-
1 ). Samples will be collected from two depth intervals (shallow and intermediate) at each sample
location. The sample locations and depths may be adjusted based on the field conditions. In the past.
owners of Oak Ridge Housing Development have denied access. Field work on Oak Ridge Housing
property is contingent upon procuring access.
In addition surface water samples will be collected from the seven established sampling locations
(Figure 2-2) as a component of the April 2011 semi-annual groundwater monitoring event to assist in
plume delineation.
Groundwater samples (22 total) and surface water samples (8 total) will be analyzed for voes via
EPA Method 8260 (Table 2-1) using Level II Data Quality Objectives (DQOs).
After review of the laboratory analytical results of the DPT samples, two permanent, Type 11 monitor
wells will be installed. Tentative well locations are presented on Figure 2-2. Exact locations and
depths of the wells will be determined based on the grab groundwater results and field conditions. In
addition to serving as sentinel wells, the wells will be used to collect groundwater elevation data for
use in evaluating groundwater flow and updating the groundwater model for the Site (see Sections 3.1
and 3.2).
2.2 Source Zone Characterization
The horizontal and vertical extent of the suspected source area in the saprolite (shallow and
intermediate saturated zones) will be investigated via DPT equipped with MIP technology. Up to 15
MIP screening locations are planned, as shown in Figure 2-3. The exact location and number of
locations will be adjusted based on real-time results and field conditions. Proposed sample locations
were selected based on existing groundwater data and historical site operations with a focus on the
former waste oil underground storage tank, former 8-inch concrete pipe, sanitary sewer location, and
scrap metal and trailer parking area. Boring depths will depend on lithologic conditions, probe refusal,
and response on the MIP detectors. It is anticipated that borings will extend to depths up to
approximately 40 feet bis. If source assessment is unsuccessful with MIP due to lithologic limitations,
continuous soil samples and grab groundwater samples will be collected as an alternative. The soil
and groundwater samples will be field screened with a Color-tee'" to estimate total ethene
concentrations.
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AECOM Environment 2-2
2.3 Vapor Intrusion Evaluation
To evaluate the potential human health risk/hazard associated with the vapor intrusion pathway at the
downgradient residential structures (i.e., the Oak Ridge Housing Development) sub-slab vapor wells
will be installed and sampled beneath two of the existing residential buildings located closest to the
Oak Ridge Housing site boundary (Figure 2-4). These buildings are located between the Site
boundary and intermediate groundwater well CMMW23. Each of these buildings consists of four
ground fioor apartments. One sub-slab vapor well will be installed within each building (2 sub-slab
vapor wells total). If possible, the probes will be installed either in vacant apartments or in the
common-space between the units to minimize disturbances to residents. Each of the sub-slab vapor
wells will be sampled along with one duplicate sample, for a total of three (3) sub-slab vapor samples.
This work is contingent upon procuring access from Oak.Ridge Housing Development.
The proposed soil vapor wells will be installed as sub-slab points to allow for the collection of soil
vapor from directly beneath the concrete slab and due to the shallow depth to groundwater, which
makes external building samples at the NCDENR minimum recommended sample depth of 5 feet
impractical. The wells will be installed and sampled using the procedures outlined in Section 5-4,
which are consistent with those recommended in the NCDENR Supplemental Guidelines for the
Evaluation of Structural Vapor Intrusion Potential for Sffe Assessments and Remedial Actions Under
the Inactive Hazardous Sites Branch (IHSB) (NCDENR, 2010).
Analytical sub-slab vapor data will be used to evaluate the potential risk/hazard associated with the
vapor intrusion pathway. Initially, concentrations detected in sub-slab vapor samples will be
compared to the IHSB residential screening levels for soil gas (NCDENR, 2010). If sub-slab vapor
concentrations for individually detected constituents exceed the screening levels, a cumulative
screening evaluation will be performed to evaluate the cumulative potential cancer risk and/or hazard
index (HI) associated with the detected constituents based on the exposure assumptions and
conservative default soil vapor to indoor air attenuation factor used in the screening level
development. The cumulative potential risk/HI will then be compared to NCDENR's cumulative target
risk range of 1x10-6 to 1x1 o"' and/or HI of 1, respectively (NCDENR, 2010).
If the potential cumulative risk and/or HI are above target levels, additional sampling of sub-slab vapor
wells will be recommended to verify results and further evaluate temporal trends. Evaluation of data
collected during additional sampling events will be performed consistent with the methods described
in this work plan and/or in accordance with the most currently available EPA and NCDENR vapor
intrusion guidance. If the potential cumulative risk and HI are within target levels, no further evaluation
of the vapor intrusion pathway will be recommended.
2.4 Potable Well Survey Update
A potable well survey was last conducted in 1992. An updated water supply well survey will be
completed. The survey will include a visual reconnaissance (i.e. wind-shield survey) of the Site and
surrounding properties within one-half mile. The City public works departments will be contacted to
verify the availability of public water supply to properties within one-half mile of the Site.
The Finch well is located on an adjacent property to the Site at 503 Lewis Street. The well no longer
has a power supply to allow for operation of the well pump. Additionally, the property at this location
appears to be unoccupied and the entrance to the property is blocked by a locked gate and security
fencing. We propose to coordinate with the property owner to have this well abandoned.
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AECOM Environment
3.0 Evaluation of Capture Zones and Potential Remedy
Modifications
In light of the additional data collection activities to be completed (described above), AECOM is
proposing an update to the groundwater flow and transport models such that the models best
represent current conditions and are appropriate for predictive scenarios of capture and fate and
transport. Additionally, the conceptual site model (CSM) for fate and transport of the chlorinated
compounds will be revised as appropriate based on the new source area and downgradient data
3-1
( currently proposed) and water quality data obtained over the last five years. Based on the revised
conceptual site model for fate and transport, the model will be recalibrated to reflect recent
observations and thus, reduce uncertainty in predictive simulations (such as clean up time). These
steps are recommended to satisfy USEPA's request that both the capture zone be evaluated and the
recovery well system be optimized, including prediction of remediation timeframes.
3.1 Groundwater Flow Model Update
AECOM will update the existing groundwater flow model to evaluate capture of the groundwater
plume by the existing recovery well network. The evaluation will be completed using site data where
possible: plan-view capture zones will be drawn based on groundwater contour maps of each
geologic unit of most recently collected data and plume maps of recent chemical distribution data.
Analytical tools, such as downgradient stagnation point and radius of influence equations, will be used
to inform the interpretation of capture zones. The 2006 version of the numerical groundwater flow
model will be used to refine the capture zone depiction and identify areas where the interpretation is
uncertain. Similarly, site data and flow model results will be used to estimate capture zones vertically.
A cross-section along the axis of the plume/recovery wells will be used to depict the vertical capture
zone.
Uncertainty in the interpretation of the capture zone delineation will be used as an indicator of data
gaps. New groundwater and/or surface water monitoring locations may be considered if data gaps
are observed. The most recent data from existing and any new groundwater monitoring wells, surface
water locations, and drainage way descriptions will be used in conjunction with historical data to
update the conceptual model for flow at the site and to re-evaluate the model calibration. The new
groundwater elevations and groundwater fluxes simulated by the model will be compared to recent
field measurements. Identifying discrepancies between simulated groundwater flow and observed
groundwater flow will be used to guide adjustments to the groundwater flow model. The model will be
recalibrated to steady-state conditions.
3.2 Potential for Optimizing the Recovery Well Capture
The updated flow model will be used to consider future recovery well scenarios that could potentially
improve capture. Specifically, plume maps (for PCE, TCE, and cis-DCE) will be prepared
incorporating new and historical data. These plume maps will be compared to the current capture
zone to assist in determining where capture may not be occurring. Potential locations will be identified
for hew pumping wells, and/or targets for changes in the current pumping regime (that is, more or less
pumping at existing wells to improve capture).
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AECOM Environment 3-2
AECOM will present results of as many of three potential pumping scenarios which will include the
existing pumping wells and potential future wells screened across the overburden, saprolite, and/or
shallow bedrock, the three modeled geologic units. Additionally, two other scenarios (no pumping and
current pumping) will also be simulated. The simulations will be used to evaluate capture of the
dissolved plume. Lateral and vertical capture zones will be simulated for each of these scenarios by
which they can be compared to each other and to current pumping scenarios. The impacts on
dissolved phase concentrations of each of these three future pumping scenarios will be evaluated
using the fate and transport model, as described below.
The additional characterization of the downgradient plume limits and on-site source nature and extent
represents additional data that can be used to update the conceptual site model for the fate and
transport of dissolved phase constituents at the site. The update will rely heavily on the work
previously completed, but will incorporate the data collected over the last five years (reported in the
semi-annual reports) and the recently collected data. The CSM will use site data to characterize
current chemical distribution (plume maps), source materials, advection, dispersion, retardation, and,
as needed, degradation. Previously, no degradation was assumed, however water quality data
collected over the last five years suggest that degradation may be active at some places, such as
CMMW-17 where cis-DCE concentrations have risen over time in concert with declining TCE
concentrations.
Updates to the CSM for fate and transport will be applied to the numerical fate and transport model.
At this time AECOM is assuming that MT3D will continue to be an appropriate model choice. Model-
simulated concentrations will be compared to the ranges of observed concentrations; the calibration
will then be updated to improve the match between simulated and observed concentrations. The
calibration will focus most closely on PCE and TCE. Because of the possible generation of cis-1,2-
DCE as a daughter product, the calibration process will consider this parameter more qualitatively.
3.3 Evaluation of Existing Remedy
The existing recovery well network will be evaluated with respect to plume capture and meeting the
remedial action objectives. This process will rely on the results of the off-site (Section 2-1) and source
area (Section 2-2) groundwater investigations and the capture zone evaluation (Section 3.1 ). To
document that the pump and treat system is continuing to meet remedial action objectives, surface
water samples will be collected from the seven established sampling locations (Figure 2-2). Utilizing
these investigation results in conjunction with current plume maps and capture zone analysis, it may
be possible to improve the effectiveness of capturing dissolved phase chemicals.
Since potential operational changes could include changing groundwater extraction rates in existing
recovery wells and/or the installation of additional groundwater recovery wells, the ability of existing
system components of (e.g., submersible pumps, piping, air stripper) to function properly in response
to operational changes will be evaluated. A budgetary cost analysis (-30 to 50 percent), including both
capital and long term operation and maintenance, will be performed for each proposed operational
change. The cost analysis will be developed based on quotes from subcontractors, historic
knowledge of site operations, and professional experience.
3.4 Evaluation of Supplemental Remedy Modifications
Additional remedial technologies, beyond pump and treat, will be investigated to enhance remediation
in the source area. Based on current dissolved phase groundwater concentrations, the source area
likely contains residual phase dense nonaqueous phase liquid (DNAPL), which will continue to release
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AECOM Environment 3-3
dissolved voes into the foreseeable future. The objective of any supplemental remedy modifications
would be to reduce the mass of residual phase ONAPL in the source area and as a result to reduce
the source lifetime. Remedial technologies will be evaluated based on the following criteria: long-term
effectiveness, implementability, short-term effectiveness, toxicity/mobility/volume reduction,
community acceptance, State and Federal acceptance and probable cost. An opinion of probable
cost for each alternative will be prepared using information specified above, and will include probable
costs for engineering, site preparation, construction, materials, labor, sampling/analysis, waste
managemenUdisposal, permitting, health and safety measures, training and operation and
maintenance. Some costs will be based on professional experience and/or subcontractor/supplier
quotes, as necessary. Costs will be presented adjusted to a net present value basis. A preliminary
discussion of remedial technologies to be investigated is presented below.
Electrical Resistance Heating (ERH}
ERH is an in situ thermal technology that utilizes electrical probes which heat the aquifer, resulting in
volatilization of voes . Vapor extraction wells, installed as part of the ERH system, withdraw the
gaseous VOCs from the subsurface. The extracted soil vapor is typically highly concentrated, and is
subjected to above ground treatment prior to atmospheric discharge. ERH is most suitable for highly
concentrated source zones located in low permeability soils. Therefore, ERH is an attractive option for
source area treatment at the Site. This alternative was evaluated as part of the first FYR and will be
revised to match the current on-site data to be collected during this investigation.
Enhanced Reductive Oechlorination/Abiotic Reduction (ERO}
ERO involves the addition of biodegradable carbon to the aquifer matrix. The subsequent
biodegradation of the carbon source can stimulate the sequential biological dechlorination of voes.
ERO has been successfully demonstrated in a pilot scale study at the Site. ERO was evaluated as
part of the first FYR and will be revised to match the current on-site data to be collected during this
investigation.
Multiphase Extraction (MPE}
MPE involves the dewatering of the aquifer to expose soils impacted with residual ONAPL.
Simultaneously, vapor extraction is applied to the dewatered zone to volatilize residual VOCs. MPE is
used for residual ONAPL remediation in moderately to more permeable aquifers and may have
potential to enhance source remediation at the Site if ONAPL hot spots can be located. Since
groundwater extraction infrastructure is already present at the Site in the source area, MPE recovery
wells could be targeted to ONAPL hot spots and fitted with a vapor extraction system.
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AECOM Environment 4-1
4.0 Institutional Controls
4.1 Institutional Controls for Groundwater Use Restrictions
Based on current groundwater monitoring data, seven off-site properties have groundwater impacts
above unrestricted use levels (Table 4-1 ). Per North Carolina Administrative Code Section 15 A-02C
.0107(b)(1 ), the source of water for any water supply well shall not be from a water bearing zone or
aquifer that is contaminated. To control the installation of water supply wells in a contaminated zone,
North Carolina General Statutes§ 143B-279.9 allow for implementation of land-use restrictions for
areas of contamination. Land-use restrictions per§ 143B-279.9 must be included in an approved
remedial action program, implemented as part of the remedial action, and agreed to by the owner of
the property. Conditioned upon property owner cooperation, groundwater use restrictions will be
implemented at the properties with groundwater exceedances.
4.2 On-site Land Use Restrictions
A Declaration of Perpetual Land Use Restrictions for a Federal Superfund Site (Declaration) will be
recorded with the Granville County Register of Deeds for the Site. The Declaration will serve the
purpose of maintaining acceptable risks to human health and the environment as well as protecting
the continued implementation of the remedy. It will include a legal description of the Site that would
be sufficient as a description in an instrument of conveyance and shall meet the requirements of North
Carolina General Statutes§ 47-30. It will be enforceable by Avnet, the United States, and the State of
North Carolina. Items to be included in the Declaration are provided below and were developed in
consideration of the following items:
• Institutional Controls: A Guide to Planning, Implementing, Maintaining, and Enforcing
Institutional Controls at Contaminated Sites (EPA, 2010)
• North Carolina General Statutes§ 143B-279.9, Land-use restrictions may be imposed to
reduce danger to public health at contaminated sites
• North Carolina General Statutes§ 143B-279.10, Recordation of contaminated sites
• NCDENR Instructions for Preparing a Notice of an Inactive Hazardous Substance or Waste
Disposal Site for Recordation (NCDENR, February 2011 )(Appendix A)
The Declaration will include language to impose restrictions on the Site. Specifically, future uses of
the Site will be restricted to commercial or industrial purposes, and the Site will not be used as a child
care center, school, park, recreational area, or athletic field. Surface and groundwater will not be used
for any purpose. No wells for potable, irrigation or other uses except monitoring groundwater quality
will be installed on the Site except with the express consent of EPA. Development of the Site shall not
interfere with the operation, maintenance, and access to existing or future remedial components. If
the Site is to be sold, leased, conveyed, or transferred, a statement that references the Declaration
including book and page number will be included in the description.
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AECOM Environment 4-2
Following recordation of the Declaration, a survey plat will be recorded in general accordance with
NCDENR Instructions for Preparing a Notice of an Inactive Hazardous Substance or Waste Disposal
Site for Recordation (Appendix A).
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AECOM Environment 5-1
5.0 Field Procedures
5.1 Property Access
Groundwater and soil vapor samples will be collected primarily at off-site locations (Figures 2-1
through 2-4). Prior to off-site groundwater and soil vapor sampling, access agreements will be
necessary. Based on the proposed sampling locations, it is assumed that access agreements with up
to seven property owners will be necessary (Table 4-1 ). This task includes identifying and contacting
off-site property owners and assisting RPs in obtaining off-site property access agreements with land
owners. AECOM will make the initial contacts with the property owners and will send the access
agreements with request letters on behalf of the RPs. The RPs will utilize their legal counsel to draft
access agreements and conduct any negotiations, if necessary, with property owners.
5.2 Membrane Interface Probe Survey
Source area groundwater impacts will be screened using DPT equipped with MIP technology. The
MIP instrument provides qualitative real-time analyses of relative levels of soil and groundwater voe
contamination, as w·e11 as soil resistivity data indicative of lithologic changes. MIP technology employs
the use of three organic VOC detectors: an Electron Capture Detector (ECO), a Flame Ionization
Detector (FID), and a Photo-ionization Detector (PIO). The ECO is the primary detector that responds
to chlorinated voes. An electrical conductivity (EC) system is also attached to the MIP probing tool to
provide soil conductivity logging.
The MIP tool is useful for vertical profiling of VOC distribution and its accompanying EC system is
used to map vertical changes in the soil conductivity (inverse of soil resistivity), which would indicate
variations in soil lithology that affect the distribution and migration of contaminants in the subsurface.
Significant changes in the soil conductivity accompanied by a large EDC, PIO, or FID response at the
same depth typically indicates a suspected voe source zone.
It will be used to identify zones of high dissolved concentrations and potential source areas that may
contain residual TCE as potential DNAPL in the vicinity of the potential source areas identified in
Section 2.2.
5.3 Well Installation and Sampling Procedures ,
Installation of monitor wells and collection of groundwater samples will be conducted in accordance
with the Field Sampling and Analysis Plan (FSAP) presented as Appendix A in the Remedial Design
Work Plan (Geraghty & Miller, 1993). Collection of surface water samples will be in accordance with
the FSAP Addendum that was prepared in October 2003 for the first FYR.
Field procedures will also be performed in general accordance with Region IV EPA Environmental
Investigations Standard Operating Procedures and Quality Manual (EISOPQAM November 2001)
protocols (USEPA, 2001) and Region IV Environmental Investigations Standard Operating
Procedures and Quality Manual (EISOPQAM January 2010) protocols.
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AECOM Environment 5-2
5.4 Soil Vapor Well Installation and Sample Collection
To evaluate potential vapor intrusion concerns, sub-slab vapor wells will be installed beneath two of
the residential structures downgradient of the southwest corner of the property boundary for collection
of soil gas from directly beneath the concrete slabs. The probe points will not be advanced into
subsurface soils.
The sub-slab vapor wells will be installed by advancing a small diameter hole (approximately 2.5-
inches in diameter) through the fioor slab. The hole will be drilled via hammer drill or concrete core.
The core hole will extend through the slab and terminate at the interface with underlying material (i.e.
gravel base or soil). A sample point consisting of a 0.5-inch length of 40-micron polyethylene screen
and 0.25-inch outside diameter tefion-lined polyethylene tubing. The annulus will be backfilled with
sand to approximately 0.5-inch to 1.0-inch above the top of screen followed by approximately 2.0-
inches of bentonite. The remaining annulus will be filled with neat cement grout fiush to the slab
surface. A Swagelok® connection fitting will be attached to the end of the tubing and set fiush with the
slab surface in the grout.
Following installation, each sub-slab vapor probe will be allowed to equilibrate for a minimum of 24
hours prior to sampling. The probe will be purged a minimum amount (less than one liter) using a
hand vacuum pump. The purge volume will be measured using a 1-liter T edlar bag and field
screened with a PID. Following purging, the soil vapor sample will be collected using a laboratory
prepared, decontaminated 1-liter Summa canister under a vacuum of 25 to 30 inches of mercury. The
Summa canister will be equipped with a 0.5-hour fiow controller and connected to the vapor point
tubing using stainless steel compression fittings (Swagelok®, nut and ferrule setup) and Tefion-lined
tubing.
A tracer gas test will be conducted for each probe assembly. The tracer gas serves as a quality
assurance/quality control device to verify the integrity of the soil gas probe seal. Helium will be used
as the tracer gas. A field instrument capable of detecting helium will be used to verify the presence
and concentration of tracer gas. Helium will be introduced to an enclosure over the probe assembly.
Following detection of the tracer gas in the enclosure, the field instrument will be connected to the
sub-slab vapor probe to determine if the tracer gas is leaking into the probe point from the surface. If
the tracer gas is not detected, the sub-slab vapor sample will be collected. If the tracer gas is
detected, then the probe point will be re-constructed or re-sealed until no tracer gas is detected.
Sub-slab vapor samples will be submitted under chain-of-custody record for analysis of the selected
voes by EPA Method TO-15. Selective Ion Monitoring analysis will be conducted if necessary to
ensure that analytical reporting detection limits are less than or equal to NCDENR residential
screening levels. One field duplicate sample will be analyzed for quality assurance/quality control.
Site related voes (PCE, TCE, and cis-1,2-DCE) detected in the vapor samples will be used in
the indoor air evaluation.
5.5 Sample Custody, Packaging, and Shipment
Sample custody procedures will be performed to document preparation, handling, storage, and
shipping of all samples collected during the project. The samples collected from the Site will be the
responsibility of authorized personnel from the time they are collected until they, or their derived data,
are provided to AECOM. Chain-of-custody forms will be completed and will accompany the collected
samples.
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AECOM Environment 5-3
Sample packaging and shipment will be conducted in general accordance with the NCDENR and EPA
guidelines. Signed and dated custody seals will be affixed to each cooler to ensure that no tampering
with the contents occurs. All groundwater and soil samples will be shipped to Test America located in
Savannah, Georgia, for analysis. All vapor samples will be shipped to.Air Toxics Ltd. of Folsom,
California for analysis.
5.6 Equipment Decontamination
Sampling equipment used in the field investigations at the Site will be decontaminated prior to use and
between sample collections. Cleaning of equipment is performed to prevent cross-contamination
between samples and to maintain a clean working environment for all personnel. Sample equipment
cleaning procedures will conform to the EPA Field Branches Quality System and Technical
Procedures, Field Equipment Cleaning and Decontamination (EPA, 2007b).
5,7 Investigative Derived Waste
Soil investigative derived waste (IDW) generated during the monitoring well installation will be
containerized in labeled, 55-gallon drums for off-site disposal at an approved facility by an AECOM
subcontractor. A composite soil sample from drill cuttings will be analyzed for total and Toxicity
Characteristic Leaching Procedure (TCLP). Based on the results, the drill cuttings will be disposed
appropriately. Water IDW generated during the monitoring well development and sampling will be
temporarily containerized in labeled 55-gallon drums pending on-site treatment with the existing
groundwater pump and treat system.
5.8 Location and Elevation Survey
The location of the monitoring wells, DPT sample points, and MIP sample points will be surveyed to
determine horizontal position and vertical elevation. Vertical elevation data will be surveyed to an
accuracy of 0.01 feet and horizontal position data to an accuracy of 0.1 feet. Surveying will be
performed by a North Carolina licensed surveyor. Soil vapor wells will be located relative to existing
Site features.
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AECOM Environment 6-1
6.0 Data Management and Reporting Plan
6.1 Field Records
Documentation of the field operations will be achieved through written daily reports in a field logbook.
Pages in the field books shall be dated, legible, and contain accurate and inclusive documentation of
an individual's project activities. All aspects of sample collection and handling as well as visual
observations shall be documented in these notes. All entry errors/corrections will be initialed and
dated.
Other field records such as boring logs and sampling logs will be kept for the field investigation, along
with a collection of documents generated in the field (e.g., shipping records). At the completion of the
field investigation, the logbook will be returned to the office, and the field logs separated and filed into
the appropriate project files.
6.2 Sample Designation
Each field sample will be assigned a unique sample identifier. Codes used to identify re-analyzed
samples and samples re-analyzed at a secondary dilution will be appended by the laboratory and
included in all laboratory deliverables. The sample identifier will be clearly shown on the chain-of-
custody form and sample container labels and tags. The sample identifier will be clearly linked to a
sample location name that includes an indication of depth in both field notebooks and the project
database management system.
6.3 Quality Control/Quality Assurance
The accuracy and precision of the data will be measured in part through the collection and analysis of
field duplicates and equipment blanks. Quality assurance/quality control (QA/QC) samples (duplicate
and equipment blank) will be analyzed for every 20 samples collected per media. QA/QC samples will
be analyzed for voes in Level II Data Quality Objectives (DQOs).
Data validation will be performed for samples submitted to the laboratory using Level II DQOs.
Validation elements will include laboratory and method blanks, field duplicates, laboratory control
samples, surrogates, instrument calibration and tuning, and quantitation limits. The data will be
reviewed for general conformance to the requirements of SW-846 (Test Methods for Evaluating Solid
Waste Physical/Chemical Methods) and the "EPA Contract Laboratory Program National Functional
Guidelines for Inorganic Data Review" (February 1994).
6.4 Summary Report
Results of this work plan implementation will be summarized in a report. The report is expected to
include the following items:
• Introduction
-Site Chronology
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AECOM Environment
-Background
-Objectives
• Institutional controls
• Field Investigation Results
Downgradient plume delineation
-Source area characterization
-Vapor intrusion
• Capture Zone Analysis and Groundwater Modeling Results
• Vapor Intrusion Evaluation
• Evaluation of Remedy Modifications
• Recommendations and Follow-Up Actions
• Protectiveness Statement
The report will include maps, figures, tables, checklists, photos of Site conditions, groundwater
modeling summary, and other attachments as needed to support the report findings.
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AECOM Environment 7-1
7.0 Schedule
AECOM will begin implementation of the work plan upon receiving written approval from EPA of this
work plan and an authorization from the RPs. The progress of the work plan implementation will be
communicated to EPA on a monthly basis in the monthly status report for the project which is due 10th
day of each month. The duration used in the preparation of the schedule is tentative and may change
based on factors during implementation such as delay in getting laboratory results, field and weather
conditions, site access agreements, etc. AECOM will notify EPA of any major change in schedule.
Assuming approval of this work plan by June 1, 2010, the following is a tentative schedule proposed
for implementation:
Mobilization
Completion of Field Work
Complete Groundwater Flow Modeling
Complete Fate and Transport Modeling
Complete Report
60196585
July 5, 2011
August 19, 2011
October 7, 2011
December 30, 2011
January 31, 2012
March 2011
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AECOM Environment 8-1
8.0 References
ARCADIS G&M of North Carolina, Inc., 2000, Final Construction Report -Revision 1, Groundwater
Remediation, JFD Electronics/Channel Master NPL Site, Oxford, North Carolina, December
2000.
Bechtel, 1992a, Remedial Investigation Report for the JFD Electronics/Channel Master Site, Oxford,
Granville County, North Carolina, April 1992.
Bechtel, 1992b, Feasibility Study Report for the JFD Electronics/Channel Master Site, Oxford,
Granville County, North Carolina, April 1992.
ENSR, 2002, Revised Operation and Maintenance Manual: Groundwater Remediation, JFD
Electronics/Channel Master Site, Oxford, North Carolina, September 2002.
ENSR, 2005a, Draft Five-Year Review Report, JFD Electronics/Channel Master Site, Oxford, North
Carolina, April 2005.
ENSR, 2005b, Technical Memorandum Concerning Issues Raised During Initial 5-Year Review, JFD
Electronics/Channel Master Site, Oxford, North Carolina.
ENSR, 2007, Summary Report of Additional Data Collection Related to 5-Year Review, JFD
Electronics/Channel Master Site, Oxford, North Carolina, February 15, 2007.
EPA. 2010. Environmental Investigations Standard Operating Procedures and Quality Assurance
Manual. Field Branches Quality System and Technical Procedures. Region 4 Science and
Ecosystem Support Division, Athens. GA.
EPA. November 2010. Institutional Controls: A Guide to Planning, Implementing, Maintaining, and
Enforcing Institutional Controls at Contaminated Sites. OSWER 9355. 0-89. EPA-540-R-09-
001.
EPA, 2001. EPA Region IV Environmental Investigations Standard Operating Procedures and
Quality Manual (EISOPQAM), November 2001.
· Geraghty & Miller, Inc., 1993, Remedial Design Work Plan, JFD Electronics/Channel Master NPL
Site, Oxford, North Carolina, November 30, 1993.
Geraghty & Miller, Inc., 1995, Predesign Data Acquisition Report for the JFD Electronics/Channel
Master NPL Site, June 1995.
Geraghty & Miller, Inc., 1996, Final Design Report, JFD Electronics/Channel Master NPL Site, July
1996.
NCDENR, 2005, Superfund Five-Year Review Report, JFD Electronics/Channel Master Site, Oxford,
Granville County, North Carolina, EPA ID: NCO 122263825, September 2005.
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A:COM
Table 2-1
Summary of Sample Analysis Plan
JFD Electronices/Channel Master Site, Oxford, NC
Sample Analytical Parameters
Sample Sample Sample Depth Sample voes by Water VOes by
ID Matrix Type (fl bis) Location 8260B Quality TO-15 Parameters
DPT lnvestiaation
DPT-1 water arab 8-11 downaradient 1 1
DPT-2 water arab 26-31 downaradient 1 1
DPT-3 water arab 6-11 downaradient 1 1
DPT-4 water arab 26-31 downaradient 1 1
DPT-5 water qrab 6-11 downqradient 1 1
DPT-6 water qrab 28-31 downqradient 1 1
DPT-7 water arab 6-11 downaradient 1 1
DPT-6 water crab 28-31 downaradient 1 1
DPT-9 water arab 6-11 downaradient 1 1
DPT-10 water arab 28-31 downaradient 1 1
DPT-11 water crab 6-11 downaradient 1 1
DPT-12 water arab 26-31 downaradient 1 1
DPT-13 water qrab 6-11 downaradient 1 1
DPT-14 water qrab 26-31 downqradient 1 1
DPT-15 water grab 6-11 downgradient 1 1
DPT-16 water crab 26-31 downaradient 1 1
DPT-17 water arab 6-11 downaradient 1 1
DPT-16 water arab 26-31 downaradient 1 1
DPT-19 water crab 6-11 downaradient 1 1
DPT-20 water arab 26-31 downaradient 1 1
DPT-21 water qrab 8-11 downQradient 1 1
DPT-22 water Qrab 26-31 downQradient 1 1
DUP-1 water arab ----1
DUP-2 water arab ----1
TB-1 water lab ----1
TB-2 water lab ----1
TB-3 water lab ----1
FB-1 water qrab ----1
FB-2 water qrab ----1
FB-3 water Qrab ----1
Soil Vanor lnvestination
SV-1 vapor arab sub-slab Oak Ridae housina 1
SV-2 vapor arab sub-slab Oak Ridae housina 1
DUP-3 vapor Qrab ----1
Surface Water Samolina
SW-1 water arab ----1
SW-2 water arab ----1
SW-3 water qrab ----1
SW-4 water qrab ----1
SW-5 water crab ----1
SW-6 water arab ----1
SW-7 water arab ----1
TB-4 water arab ----1
Total 38 22 3
Notes:
Water quality parameters include field analysis of Temperature, pH, Specific Conductivity, Dissolved Oxygen, Oxidation Reduction
Potential, and Turbidity
ft bis= feet below land surface
VOCs = volatile organic compounds
-- - -- - - - ------- - - - -
A:COM
Table 4-1
Off-Site Property Summary
JFD Electonics/Channel Master Site, Oxford, NC
Property Property Owner PIN Zoning Property Usage/Notes Description Owner Address
604 W Industry Dr FHO Partners LLC 307 S Wilmington Street 1 91207575903 11 former Oxford Printing: currently used as a Habitat Re-Store; Brownfield Raleigh, NC 27601
Industry Dr Jamar Ventures LLC PO Box422 191211577430 82 former Cnstex facility Clayton, NC 27520
Industry Dr Hwy 15 Stone Valley Properties LLC 1062 Henry Huff Road 191211679410 82 undeveloped Ground Water Contam Oxford, NC 27565
Lewis St off Green Oxford Associates PO Box 26405 191208785087 RB Oak Ridge Housing Complex Forest Dr Greensboro, NC 27404
Lot Off Hwy 15 Oxford Associates PO Box 26405 191207781219 R15 undeveloped; stream Greensboro, NC 27404
Hwy 15 Margaret S Hightower Heirs 4536 Hwy 158 191207786340 82 undeveloped; stream c/o BL Hightower Jr Oxford NC. 27565
Hwy 15 Margaret S Hightower Heirs 4536 Hwy 158 191207789619 82 farm; stream c/o BL Hightower Jr Oxford NC. 27565
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/ ,--:;
PW-3 A. --. ---· "sw-03
@ CMMW22
0CMMW22A
-•--•-
~
0
0
QCMMW24
A. PW-4
PROPERTY BOUNDARY
FENCE
CULVERT
DRAINAGE CREEK
TREE LINE
RAILROAD
SHALLOW WELL
INTERMEDIATE WELL
SHALLOW BEDROCK WELL
LEGEND
• Q
0 ...
[jj
~
[SJ
DEEP BEDROCK WELL
TOP OF ROCK WELL
ABANDONED WELL
PUMPING WELL
OBSERVATION WELL
SURFACE WATER SAMPLE
PROPOSED SOIL VAPOR
WELL
~
~
I z 0 ~ ~ 0
d z
~ ~ ~ ~
fl z ~ © I ~ I " 0 lil w t Q % Q 0
I
"' .;
~ " N 0 oi ~ £ _g ~
ci5~U)() .§~,g:~ e Nr-,. . ~~:~! € ac»co....._ ~ z §:;;;-o.:
::. :i .. ;;;~ 0 C, w-~~~~~
-' ~ -: , ., -' ~ ., z ., w ~ t; :l: ,: w -
L ~ ii: c:: • ~
0 a... 1ii g o_ a...<{ "0 <{::::;; L -0 > ~o z C 0 .c :=O .c 1: -O o Oi= ,z .. ' (/} <{ • ~~ 0 • -.., (..) C L N 0 0 ClQ L-0
-X W_J io (/} ;;; 0 0 a... "-0 ~ c:: ~ ~ a...
·"
FIGURE NUMBER:
2-2
SHEET NUMBER:
B110120B
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CONCRETE
PAD
SW
200
OXFORD
PRINTING
CRISTEX
BUILDING
0 200
SCALE IN FEET
1" = 200'
. \
400
. "--.
CMMW200
DRUM
DUMP
6)CMMW19
CMMW18
c, CMMW22
0 CMMW22A
-•--•-=
ISi
0
0
.0. PW-4
PROPERTY BOUNDARY
FENCE
CULVERT
DRAINAGE CREEK
TREE LINE
RAILROAD
SHALLOW WELL
INTERMEDIATE WELL
SHALLOW BEDROCK WELL
e
e
e
LEGEND
e
DEEP BEDROCK WELL
TOP OF ROCK WELL
ABANDONED WELL
PUMPING WELL
OBSERVATION WELL
SURFACE WATER SAMPLE
PROPOSED DPT GROUNDWATER
SAMPLE LOCATION
0:: w I-~ <{ c.. 3: <{ V>
Cl :::!: " ~ z -a 0 C ::>Z ~e 00 0:: -18
(.!) ~ C .c
I-(.) _gt:
00 ~g ,z
0 u • -.., w C a 0 0 Cl ...J ,_
-w WC.. go
VI:::!: ;;;
0 <{ 0 c.. VI ~
0 ,
0:: c..
FIGURE NUMBER:
2-3
SHEET NUMBER:
B110121B
--
LEGEND
-•--•-
NOTES
- - -
PROPERTY BOUNDARY
FENCE
DRAINAGE CREEK
SHALLOW WELL
INTERMEDIATE WELL
PUMPING WELL
SURFACE WATER SAMPLE
PROPOSED MIP SAMPLE
LOCATION
1. LOCATIONS OF FORMER WASTE OIL
UST, FORMER 8" CONCRETE PIPE,
FORMER SANITARY SEWER LINE AND
FORMER SCRAP METAL TRAILER
PARKING AREA ARE APPROXIMATE.
100 0
SCALE IN FEET
1" = 100'
- - --- --- - -- - --
SW
100
:11
11. , I \t '
.I ---~
ii
:1
11
:\
11
: I
1.1 /tMMW09 /:,
\I i FORMER WASTE r 0.._
•1 /_ OIL UST / I
1,1, '-...__, 6 FORMER s· _/ 6 I
-----
r:: ..:_ ...__ -:--, -...__,C..':'.:.'.:. PIPE \ / /
----:-·-. A ·~ 6 \ I -...__,_, ~, I PW-5B 6 -:--_ ?'-:::---,----.': I I • ::::---_ _ ..:_ · ...__. _'s----'-., 6 r CMMW05 ::::---_ _...__.. ;,,j O 0 CMMW10
6
-...__ • PW-5C
FORMER SCRAP :_:\...__. __ '--;-,-...__
METAL TRAILER ::::--.:.:-:::-:..·. '-...__
PARKING AREA ~ '-...__, (S&ME, 1986) __/ /\ __,_, ____ _ -...__,
FORMER SAN~ "-. ----l
SEWER LINE \\ . \\ l / ,,---~ --- -
OXFORD l1
AECOM North Carolina, lnc.
RALEIGH, NORTH CAROLINA 27615
PHONE: [phone]
FAX: [phone]
WEB: HTTP://WWW.AECOM.COM
PRINTING \ ~•-1CMMWl3
\ CMMW03~ ~~ -•-;:;;;-,
\ CMMW02__),? . • _,,,.--• _ ,,,.,,---
--...__ > -
DRAWN BY:
KLR
PROPOSED MIP SAMPLE
LOCATION MAP
JFD Eloctronlcs/Channol Master Sito Oxford, "North Carolina
PROJECT NUMBER:
02/23/11 60196858.1
FIGURE NUMBER:
2-4
ORA.WING NUMBER:
8110122A
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I AECOM Environment
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I Appendix A
I Instructions for Preparing a
Notice of an Inactive
I Hazardous Substance or
Waste Disposal Site for
I Recordation
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60196585 March 2011
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NA INSTRUCTIONS FOR PREPARING A NOTICE OF AN INACTIVE
HAZARDOUS SUBSTANCE OR WASTE DISPOSAL SITE FOR
RECORDA TION NCDENR
.The following is a list of instructions to assist in the preparation·and recording of a
Notice of Inactive Hazardous Substance or Waste Disposal Site.
1.
2.
The notice will take the form of a survey plat of the subject property prepared and
certified by a professional land surveyor registered in North Carolina. Every plat
should be a new or existing survey of the entire property conducted by the surveyor
preparing the plat unless the property is extremely large or otherwise problematic
to resurvey and the Inactive Hazardous Sites Branch has approved the allowance
of the modification of an existing survey prepared by another surveyor.
The plat (hereinafter "Notice") must meet the requirements of N.C.G.S. 47-30 for
maps and plats (some of these requirements, but not all are specified below) and
any requirements of the county Register of Deeds (in the county where the site is
located), be drawn in indelible ink on mylar (no sepia mylar), and include:
A.
B.
C.
D.
E.
F.
G.
the words "Notice of Inactive Hazardous Substance or Waste Disposal Site"
appearing in the title block (note the title block should be located at one of the
plat perimeters);
the name of the site and its identification number obtained from the Inactive
Hazardous Sites Inventory, appearing in the title block (precede with the
phrase "A portion of the Site:" if the property is but one part of the overall
contaminated site);
the names of the current owner(s) exactly as they appear on the existing
property deed appearing in the title block;
the property township, county and state, the date(s) of the survey, a scale,
and name and address of surveyor or firm preparing the plat all appearing in
the title block;
property lines with bearings and distances and north arrow, specifiying
whether true, magnetic, North Carolina grid ("NAO 83" or "NAO 27"), or is
referenced to old deed or plat bearings (if magnetic or referenced to old deed
or plat bearings must include the date and source the index was originally
determined);
a vicinity map;
with respect to a surveyed corner of the affected property, the location and
dimensions of areas of the property where hazardous substances are known
to have been disposed (only areas with distinct boundaries such as landfills,
trenches, and open impoundments or pits; not spills or indistinct releases);
(RECORDATION_INSTRUCTIONS.PDF) Page I of 4 REV. FEBRUARY 2011
H.
I.
J.
K.
L.
M.
N.
with respect to a surveyed corner ofthl;l affected property, the location of on-
site wells (potable, production, monitoring arid any other type) where
hazardous substances have been detected in groundwater, unless each
hazardous substance detected has an associated 15A NCAC 2L
groundwater standard and the concentration is below such standard;
the quantity of each hazardous substance disposed on the property (if
known) appearing .in a Notes section on the plat;
a list of hazardous substances known to be present in each environmental
medium (soil, groundwater, surface water, and sediment) appearing in a
Notes section on the plat;
the following language: ''.The areas and type of contamination depicted upon
the map are approximations derived from the best available information at
the time of filing." appearing in a Notes section on the plat;
owner acknowledgement consisting of the printed name(s), title(s) and
properly notarized [using a permanent ink stamp] signature(s) [ signature(s)
made in indelible ink] of individual(s) with authority to legally bind the property
owner(s);
if the Notice is being recorded in conjuction with the recordation of a
Declaration of Perpetual Land Use Restrictions document the following
language: "A Declaration of Perpetual Land Use Restrictions, limiting the
uses of this property, is recorded at Book ___ Page ___ "
the following instructional language (as shown in quotes below):
"When this property or any part of it is sold, leased, conveyed or
transferred, N.C.G.S.130A-310.8(e) requires that the following
language be placed in the description section of the deed or other
instrument of transfer in no smaller type than that used in the body of
the deed:
This property has been used as a hazardous substance or
waste disposal site. A Notice of Inactive Hazardous Substance
or Waste Disposal Site is recorded in the (fill in) County
Register of Deed's office at Book (fill in). Page (fill in).
Questions concerning this matter may be directed to the North
Carolina Division of Waste Management, Superfund Section,
Inactive Hazardous Sites Branch, 1646 Mail Service Center,
Raleigh, NC 27699-1646.";
(RECORDATION_INSTRUCTIONS.PDF) Page 2 of 4 REV. FEBRUARY 2011
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3.
4.
0.
P.
the following language positioned in the upper left corner of the plat
"Approved for the purposes of N.C.G.S. 130A-310.8.
Jack Butler, P.E.
Chief, Superfund Section
Division of Waste Management
NORTH CAROLINA
WAKE COUNTY
I, _______________ , a Notary Public of said County
and State, do hereby certify that did
personally appear and sign before me this the ___ day of
Notary Public (signature)
( official seal)
My commission expires ________________ ."; and
the surveyor's certification and seal (using a permanent ink stamp) which
includes, but not limited to, specification of the source of information for the
plat, the ratio of precision, and the type of survey pursuant to GS 47-30
(f)(11).
The Notice must be sent to your contact person in the Superfund Section at the
address below (Do Not Fold Document):
NC Division of Waste Management
Superfund Section
Inactive Hazardous Sites Branch
1646 Mail Service Center
Raleigh, NC 27699-1646
After the Department approves and certifies the Notice, you must, within fifteen (15)
days of receiving said approval:
A.
B.
file a certified copy of the Notice in the county Register of Deeds' office; and
send to the State contact person, addressed as required above, a certified
copy of the Notice affixed with the seal of the Register of Deeds and
reflecting the book and page number where recorded and a copy of the page
in the granter index where the Notice is referenced.
(RECORDA TION_INSTRUCTIONS.PDF) Page 3 of 4 REV. FEBRUARY 2011
Important: If the Notice is being recorded in conjunction with recordation of a
Declaration of Perpetual Land Use Restrictions (DPLUR) document, these
documents must be recorded as follows: The DPLUR must be recorded first and
assigned book and page numbers. The book and page numbers where the DPLUR
is recorded must be hand written in the designated blanks on the Notice prior to the
Notice being recorded.
5. When the property or any part of it is sold, leased, conveyed or transferred,
N.C.G.S.130A-310.8(e) requires that you place the following language in the
description section of the deed or other instrument of transfer in no smaller type than
that used in the body of the deed:
"This property has been used as a hazardous _substance or waste
disposal site. A Notice of Inactive Hazardous Substance or Waste
Disposal Site is recorded in the /fill in) County Register· of Deeds'
office at Book /fill in) , Page ill!!.lnl-Questions concerning this matter
may be directed to the North Carolina Division of Waste Management,
Superfund Section,• Inactive Hazardous Sites Branch, 1646 Mail
Service Center, Raleigh, NC 27699-1646."
(RECORDA TION_INSTRUCTIONS.PDF) Page 4 of 4 REV. FEBRUARY 2011
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AECOM {NYSE: ACM) is a global provider of professional technical and management support
services to a broad range of markets, including transportation, facilities, environmental
and energy. With 45,000 employees around the world, AECOM is a leader in all of the key
markets that it serves. AECOM provides a blend of global reach, local knowledge, innovation,
and technical excellence in delivering solutions that enhance and sustain the world's built,
natural, and social environments. A Fortune 500 company, AECOM serves clients in more
than 100 countries and had revenue of $6.1 billion during the 12-month period ended June 30,
2009. More information on AECOM and its services can be found at www.aecom.com.
AECOM
2 Technology Park Drive
Westford, Massachusetts 01886
T: +1.978.589.3000
F: +1.978.589.3100
Ask E nvi ro n me nt@ae com.com
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