23061 Caraustar Mill_VIMP - Bldgs 1 - 4_Rev 1 20220727

#C-1269 Engineering #C-245 Geology

Vapor Intrusion Mitigation Plan
Revision 1

Savona Mill Residential
Buildings 1 through 4

Caraustar and Savona Mill
S. Turner Avenue
Charlotte, North Carolina
Brownfields Project No. 23061-19-060

H&H Job No. POR-001
July 26, 2022

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Vapor Intrusion Mitigation Plan – Rev. 1 Savona Mill Residential – Buildings 1 through 4
Caraustar and Savona Mill Charlotte, North Carolina H&H Job No. POR-001
Table of Contents
1.0 Introduction ................................................................................................................ 1
1.1 Background............................................................................................................2
1.2 Vapor Intrusion Evaluation ...................................................................................5
2.0 Design Basis ................................................................................................................ 7
2.1 Base Course Layer and Vapor Barrier ...................................................................8
2.2 Horizontal Collection Piping and Vertical Riser Piping .......................................9
2.3 Monitoring Points ................................................................................................11
2.4 General Installation Criteria ................................................................................12
3.0 Quality Assurance / Quality Control ..................................................................... 13
4.0 VIMS Effectiveness Testing .................................................................................... 14
4.1 Influence Testing .................................................................................................14
4.2 Pre-Occupancy Sub-Slab Soil Gas Sampling ......................................................14
4.3 VIMS Effectiveness Results ................................................................................16
5.0 VIMS Effectiveness Monitoring ............................................................................. 21
6.0 Future Tenants & Building Uses ............................................................................ 22
7.0 Reporting .................................................................................................................. 23

Figures
Figure 1 Site Location Map
Figure 2 Site Map

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Attachments
Attachment A Previous Assessment Data Summary
Attachment B Vapor Intrusion Mitigation Design Drawings
Attachment C-1 VaporBlock 20 (VBP-20) Product Specification Sheets & Installation
Instructions
Attachment C-2 Drago Wrap Product Specification Sheets & Installation Instructions
Attachment C-3 Big Foot Slotted PVC Pipe Product Specification Sheet
Attachment C-4 Soil Gas Collector Mat Product Information and Installation Guide
Attachment C-5 Ventilator Specification Sheets
Attachment C-6 Monitoring Point Access Termination Specification Sheets
Attachment C-7 Wal-Rich Corporation PVC Termination Screen

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Vapor Intrusion Mitigation Plan – Rev. 1 Savona Mill Residential - Buildings 1 through 4
Caraustar and Savona Mill Charlotte, North Carolina H&H Job No. POR-001
1.0 Introduction

On behalf of Savona Resi Project, LLC (Prospective Developer or PD), Hart & Hickman, PC
(H&H) has prepared this Vapor Intrusion Mitigation Plan (VIMP) for a portion of the Caraustar
and Savona Mill North Carolina Department of Environmental Quality (DEQ) Brownfields
Property (Brownfields Project No. 23061-19-060) planned for redevelopment with new high-
density multifamily residential apartment buildings. The Caraustar and Savona Mill Brownfields
property is located at the intersection of South Turner Street and Chamberlain Avenue in
Charlotte, Mecklenburg County, North Carolina and is comprised of nine contiguous parcels
(Parcel ID Nos. 07111209, 07111412, 07111410, 07111418, 07111417, 07110551, 07110552,
07110501, and 7110503) that collectively total approximately 30.8 acres of land. A Site location
map is provided as Figure 1.

Northern portions of the Brownfields property along Chamberlain Avenue are developed with an
approximately 14,500 square foot (sq ft) industrial warehouse building (2426 Chamberlain
Avenue), an approximately 22,500 sq ft industrial warehouse building (2425 Chamberlain
Avenue), an approximately 9,500 sq ft light manufacturing building (410 S. Gardner Avenue),
and an approximately 31,000 sq ft industrial warehouse building and an approximately 4,500 sq
ft office building (401 S. Gardner Avenue). The eastern portion of the Brownfields property
along S. Turner Avenue is developed with an approximately 186,000 sq ft former mill building
(Savona Mills Building). Proposed redevelopment includes renovation for adaptive re-use of
select existing Site buildings for non-residential uses. In addition, a new multi-story parking
deck will be constructed in the southern portion of the Brownfields property in an undeveloped
area west of the Savona Mill Building.
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The PD plans to redevelop Parcel 07111209 and Parcel 07111412 of the Caraustar and Savona
Mill Brownfields property (Site or subject Site) with nine (9) high-density residential buildings
and associated access roads and parking areas. High-density multifamily residential
redevelopment of the Brownfields property is proposed to be completed in phases. This VIMP
has been prepared specifically for the Savona Mill Residential Buildings No. 1, No. 2, No. 3, and
No. 4 proposed for construction on Site Parcel 07111412. A VIMP for the remaining new
residential buildings (Buildings 5 through 9) will be submitted to DEQ under separate cover.

The northern portion of the Site (Parcel 07111209) is developed with the former Carauster
paperboard processing warehouse (2426 Chamberlain Avenue) and associated access drives and
paved parking areas. Remaining portions of the Site located south of Chamberlain Avenue
(Parcel 07111412) consists of undeveloped vacant land except for foundations of former mill
buildings, paved access roads, and paved parking areas. A Site map that includes the layout of
the proposed residential buildings (shown in blue shading and denoted as “RES”) is provided as
Figure 2. As shown in Figure 2, Building 1 will be constructed in the northeastern portion of the
Site near the Chamberlain Avenue and S. Turner Avenue intersection, and Buildings 2, 3, and 4
will be constructed in central portion of the Site west of the existing Savona Mill Building.

1.1 Background

In 2016, soil and groundwater assessment activities were completed at the Brownfields property
by others to evaluate the potential for impact attributable to historical industrial uses at the
Brownfields property and on nearby off-Site properties. Results of the sampling activities
identified the presence of petroleum-related compounds at concentrations above the DEQ
screening levels in both soil and groundwater samples. To address potential environmental
concerns associated with the Site, the Caraustar and Savona Mill properties were entered into the
DEQ Brownfields Program and received eligibility in a letter dated January 14, 2020, with an
amended letter of eligibility (LOE) dated January 13, 2022. A Notice of Brownfields Property
(Brownfields Agreement) is currently being drafted by DEQ.

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As part of the Brownfields process, multiple assessments have been completed at the Caraustar
and Savona Mill Brownfields property which included collection of soil, groundwater, and soil
gas, sub-slab soil gas, and indoor air samples for laboratory analyses. Summary of previous
assessment activities are provided in a Comprehensive Data Summary and Additional
Brownfields Assessment Work Plan prepared by H&H dated March 9, 2022. Tabular summaries
of previous assessment data and a figure depicting the locations of previous samples are provided
in Attachment A for ease of reference. A brief summary of sampling activities and results
applicable to the subject Site is provided below.

Soil Sampling
Between 2016 and 2020, twenty-nine (29) soil samples have been collected for laboratory
analysis to evaluate the potential for impacts in areas of the Brownfields property planned for
redevelopment with high-density multifamily residential buildings. Soil sampling results have
identified several organic compounds and metals at concentrations above the DEQ Preliminary
Soil Remediation Goals (PSRGs) in samples collected at the Site. Results of sampling activities
identified primarily low levels of polynuclear aromatic hydrocarbons (PAHs) and select volatile
petroleum-related hydrocarbons at concentrations above the PSRGs in soil. Chlorinated solvent
compounds have not been identified at concentrations above the PSRGs in soil samples collected
at the Site.

Groundwater Sampling
Between 2016 and 2020, groundwater sampling activities at the subject Site have included
installation and sampling of six (6) temporary groundwater monitoring wells. Results of
groundwater assessment activities identified low levels of petroleum-related compounds
(naphthalene, toluene, and p-isopropyltoluene) at concentrations above the laboratory method
detection limits. Only naphthalene (16.9 micrograms per liter {µg/L}) was detected at a
concentration above the DEQ 2L Groundwater Quality Standard (2L Standard) of 6 µg/L and the
DEQ Division of Waste Management (DWM) Residential Vapor Intrusion Groundwater
Screening Level (GWSL) of 4.6 µg/L in one sample (2016-GW-03) collected in a downgradient
portion of the Site. No other organic compounds were detected at concentrations above the 2L
Standards or GWSLs in groundwater samples collected at the Site and no chlorinated solvent
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compounds were detected at concentrations above the laboratory method detection limits in
groundwater samples collected at the Site.

Soil Gas Sampling
Between 2020 and 2021, ten (10) exterior soil gas samples and two (2) sub-slab soil gas samples
were collected for laboratory analysis in areas planned for redevelopment with high-density
multifamily residential buildings. Results of the sampling activities identified low levels of
several compounds including benzene (up to 68 micrograms per cubic meter {µg/m3}),
chloroform (up to 13 µg/m3), ethylbenzene (up to 110 µg/m3), naphthalene (up to 3.9 µg/m3),
and vinyl chloride (11 µg/m3) at concentrations above the DEQ DWM Residential Vapor
Intrusion Sub-slab and Exterior Soil Gas Screening Levels (SGSLs). No other compounds were
detected at concentrations above the SGSLs in soil gas samples collected in areas proposed for
multifamily development. It is important to note that the chlorinated solvents tetrachloroethene
(PCE) and trichloroethene (TCE) were not detected at concentrations above the SGSLs in soil
gas samples collected in areas proposed for multifamily development.

Subsurface Methane Gas Measurements
In July 2021, subsurface methane gas measurements were collected from select sub-slab soil and
exterior soil gas monitoring point locations at the Brownfields property by which are
documented in a draft Methane Soil Gas Assessment Report prepared by SCS Engineers, P.C.
(SCS) dated August 3, 2021. According to information provided in the draft report, results of
previous sampling activities completed by Terracon in April 2021, identified methane in select
soil gas monitoring point locations at concentrations ranging from 0.1 to 5.4 percent by volume
of air. However, information provided in the environmental documents indicated soil gas
sampling probes were compromised due to water within the sampling line.

Additional methane soil gas probes were installed and resampled by SCS in July 2021. The July
2021 methane gas and pressure readings indicated methane was not measured at detectable levels
in soil gas. In addition, Site-wide static pressure is not present at levels above the accuracy
threshold of the instrument and do not pose a significant concern for the Site as a whole. In
accordance with the NCDEQ Brownfields Program Threshold Criteria for Methane Site
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Development, the negligible static pressure levels measured at the Site within 200 feet of the
proposed buildings are acceptable for residential use and the lack of methane detections indicate
methane is not present at unacceptable levels at the Site.

1.2 Vapor Intrusion Evaluation

H&H utilized the DEQ Risk Calculator (June 2021) to evaluate potential cumulative risks for the
soil gas to indoor air vapor intrusion pathway using the highest concentration of any compound
detected in any soil gas sample collected in the areas proposed for residential redevelopment to
model the potential for vapor intrusion under a hypothetical “worst-case” scenario. Typically,
vapor intrusion mitigation for a building is not considered unless the cumulative lifetime
incremental carcinogenic risk (LICR) is 1 x 10-4 or less for potential carcinogenic risks and/or
the cumulative hazard index (HI) is 1.0 or less for potential non-carcinogenic risks. DEQ risk
calculator results indicate that under a hypothetical worst-case scenario for the soil gas to indoor
air vapor intrusion pathway for residential use, the cumulative LICR is 2.3 x 10-5 and the
cumulative HI is 0.73. Copies of completed risk calculators are provided in Attachment A.

Although hypothetical worst-case scenario risk calculator results for the soil gas to indoor air
vapor intrusion pathways did not exceed acceptable risk levels for residential use, the PD plans
to proactively install vapor intrusion mitigation systems during construction of proposed
residential buildings at the Site, including Buildings 1 through 4 that are addressed in this VIMP.
Based on review of the laboratory analytical data and risk evaluation results, potential structural
vapor intrusion can be managed through installation of passive vapor intrusion mitigation
measures during construction of the proposed residential buildings.

According to the DWM Vapor Intrusion Guidance: “Risk-based screening is used to identify
sites or buildings likely to pose a health concern, to identify buildings that may warrant
immediate action, to help focus site-specific investigation activities or to provide support for
building mitigation and other risk management options including remediation.” In addition, this
VIMP was prepared to satisfy the standard vapor intrusion mitigation provisions anticipated to
be included in the pending Brownfields Agreement. Per the North Carolina Brownfields
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Property Reuse Act 130A-310.32, a prospective developer, with the assistance of H&H for this
project, is to provide NCDEQ with “information necessary to demonstrate that as a result of the
implementation of the brownfields agreement, the brownfields property will be suitable for the
uses specified in the agreement while fully protecting public health and the environment instead
of being remediated to unrestricted use standards.” It is in the context of these risk-based
concepts that the H&H professional engineer makes the following statement:

The Vapor Intrusion Mitigation System (VIMS) detailed herein is designed to mitigate intrusion
of subsurface vapors into the subject buildings from known Brownfields property contaminants
in a manner that is in accordance with the most recent and applicable guidelines including, but
not limited to, DWM Vapor Intrusion Guidance, Interstate Technology & Regulatory Council
(ITRC) guidance, and American National Standards Institute (ANSI)/American Association of
Radon Scientists and Technologists (AARST) standards. The sealing professional engineer
below is satisfied that the design is fully protective of public health from known Brownfields
property contaminants.

[SEAL]

Trinh DeSa NC PE #044470
Hart & Hickman, PC
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2.0 Design Basis
The VIMS design drawings for Savona Mill Residential Buildings 1 through 4 are included in
Attachment B as Sheets VM-1A, VM-1B, VM-2, VM-3A, VM-3B, VM-4, VM-5, VM-5A, and
VM-6 (dated April 11, 2022) and will be used to guide construction of the VIMS.

To reduce the potential for structural vapor intrusion, the VIMS will operate as a passive sub-
slab venting system that includes a network of horizontal sub-slab and vertical above-slab riser
piping connected to stationary wind ventilators installed above the building roof to enhance the
passive system. Buildings 1 through 4 are being constructed as multifamily residential buildings
and will not contain commercial spaces or pour-back spaces. Each building is proposed to
contain a slab-on-grade with thickened slabs below load-bearing walls, and some of the buildings
will contain column construction in select areas as depicted on the VIMS design drawings.
Additional notes regarding the building construction include the following:

• Building 1 will be split into two ground-floor levels, Basement and Level 1 with a
vertical retaining wall between the building sections. The building will contain a total of
five floors, plus the basement level.
• Building 2 will be constructed as a townhouse-style apartment building, with for-rent
townhomes. The townhomes will consist of four floors, with a sloped roof and a small
non-occupiable attic space.
• Building 3 will be split into two ground-floor levels, Level 1 and Level 2 with a vertical
retaining wall between the building sections. The building will contain a total of five
floors.
• Building 4 will contain one ground-floor level, Level 1. The building will contain a total
of five floors.

Buildings 1, 3, and 4 each generally contain a sloped roof across the majority of the building,
with flat roof sections on the building ends. Each of the sloped roof sections will contain an
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open-air corridor through the middle of the roof for the heating, ventilation, and air conditioning
(HVAC) condensers.

The approximate enclosed ground floor areas of Buildings 1 through 4 are listed in the table
below:

Building No. Approximate Area (sq-ft)
1 19,200 (Basement)
17,700 (Level 1)
2 4,800
3 19,000 (Level 1)
5,300 (Level 2)
4 24,400

2.1 Base Course Layer and Vapor Barrier

The VIMS includes placement of a minimum 5-inch base course stone (gravel) layer consisting
of high permeability stone (washed #57 stone, or similar high permeability stone approved by the
design engineer) below the concrete slab of the building. A vapor liner (vapor barrier) will be
installed above the base course stone layer and directly beneath the slab. The vapor liner will
also be installed around elevator pits and on vertical sub-grade retaining walls backfilled with
soil that are located adjacent to enclosed or occupiable spaces. A horizontal collection piping
network will be installed within the base course stone layer below the ground floor slabs prior to
placement of the vapor liner. The horizontal vapor collection piping is discussed further in
Section 2.2. below. The piping layouts are shown on the VIMS design drawings (Attachment
B).

The vapor liner will consist of a volatile organic compound (VOC) rated vapor barrier, such as
Vaporblock® Plus 20 (VBP20) manufactured by Raven Industries (Raven), or Drago® Wrap
Vapor Intrusion Barrier (Drago Wrap) manufactured by Stego® Industries (Stego). Vapor liners
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will be installed per manufacturer installation instructions. Technical specifications for each
vapor liner products listed above are included in Attachment C.

The liners will be installed over the base course stone layer or applicable vertical sub-grade walls
and footers to cover the areas shown on the design sheets. Each vapor liner manufacturer
recommends select sealing agents (mastics, tapes, etc.) for their vapor barrier product. In
accordance with manufacturer installation instructions, alternative vapor liner products that are
not approved by the manufacturers for sealing should not be used, unless approved by the design
engineer and specific manufacturer.

The exterior edges of the vapor liner will be attached and sealed to building footings and
subsurface concrete features utilizing the tape specified in the manufacturer instructions. Seams
within the building envelope will have a minimum of 6-inches or 12-inches of overlap
(depending on the vapor barrier manufacturing specifications) and will be sealed with the tape
specified in the manufacturer instructions. If the vapor liner is damaged, torn, or punctured
during installation, a patch will be installed by overlaying a piece of vapor liner that is cut to the
approximate shape of the damaged area, and sized such that a minimum of 6-inches of patch
surrounds the damaged area. The seams of the patch will then be sealed using the manufacturer
recommended tape.

In areas where utility penetrations (i.e., piping, ducts, etc.) are present and the use of the tape
recommended by the manufacturer is not practical or deemed as “ineffective” by the design
engineer certifying the VIMP, an alternative sealant product specified by the vapor liner
manufacturer can be used, such as Raven Pour-N-Seal™ or manufacturer specified mastics.
Following successful installation of the vapor liner, the finished concrete slab will be placed
directly on top of the sealed vapor liner to further seal the seams and penetrations.

2.2 Horizontal Collection Piping and Vertical Riser Piping

Passive sub-slab venting will be accomplished using horizontal slotted or perforated collection
piping which will collect vapor from beneath the ground floor slabs and discharge the vapors
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above the building roofline. Both sub-slab and above-slab piping will consist of 3-inch diameter
Schedule 40 (SCH 40) PVC piping and fittings, unless otherwise specified in the design
drawings (Attachment B). Solid sections of VIMS piping shall maintain a minimum 1% slope
toward slotted sections to drain potential condensation water. Product specifications for the sub-
slab collection piping are provided in Attachment C.

As an alternative to 3-inch diameter SCH 40 PVC horizontal piping, soil gas collector mat
manufactured by Radon Professional Discount Supply (Radon PDS) may be used for sub-slab
vapor collection piping. The Radon PDS soil gas collector mat is a polystyrene, plastic,
rectangular conduit with a geotextile fabric covering. The mat is 1-inch thick and 12-inches
wide, and is specifically designed for collecting soil gas from below a building. If used, the soil
gas collector mat will be connected to the proposed 3-inch diameter vertical risers and footing
crossings using Radon PDS-manufactured riser connection fittings. In lieu of the soil gas
collector mat extending unprotected through concrete, solid PVC pipe will be used as a soil gas
collector mat conduit in locations of footings and thickened slab crossings. Product
specifications for the soil gas collector mat are provided in Attachment C.

To enhance the passive VIMS, Empire Model EV04SS (stainless steel) or Active Ventilation
Products, Inc. Aura AV-3-PVC aluminum stationary ventilators (or design engineer approved
alternative) will be installed on the discharge end of the vertical riser piping above the building
roofline to further promote air exhaust from the risers. Exhaust discharge locations must be a
minimum of 1 ft above the sloped roofline and a minimum 10 ft from an operable opening (e.g.,
door or window) or air intake into the building. As noted above, proposed construction of
Buildings 1, 3, and 4 will include sloped roofs with a central roof-top open-air corridor for
HVAC condenser units.

Vertical exhaust riser pipes will terminate above the sloped roof, or above the open-air central
HVAC corridor. Note that the exhaust locations on the roof depicted in the VIMS design may be
repositioned within the requirements specified above and pending approval by the design
engineer certifying the VIMP. Product specifications for the proposed turbine ventilators are
provided in Attachment C. Electrical junction boxes (120VAC) will be installed within the attic
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space of HVAC corridor in proximity to riser exhaust discharges should connection of an
electrical (active) fan be warranted in the future. If electric fans are warranted, the fans are not to
be installed within an enclosed attic space of the building that connects to living spaces. The
fans will be installed above the building roof, either within or above the sloped roof portion.

2.3 Monitoring Points
Monitoring points constructed with 2-inch diameter SCH 40 PVC will be installed as part of the
VIMS to conduct effectiveness testing (see Section 4.0), including vacuum influence
measurements, and for the collection of sub-slab soil gas samples for laboratory analysis. The
monitoring point locations are shown on the VIMS design drawings (Attachment B).

In general, monitoring points are placed at remotely distant locations from vertical riser piping
locations and in representative areas of the ground floor enclosed areas. To limit disturbance to
residents during future monitoring events, the majority of the monitoring point access ports will
be located in the walls of the hallways, mechanical rooms, or amenity spaces and protected by a
floor clean-out style cover. In select areas, the monitoring point will contain an exterior mounted
access port protected by an irrigation style enclosure. Several monitoring points will be
connected to extended sub-slab horizontal pipes which place the intakes of the monitoring points
below occupied spaces. The extended monitoring points are expected to have no more than
approximately 6 ft of extension pipe. Product specifications for the proposed floor cleanout
covers are provided in Attachment C.

In the event that a monitoring point cannot be installed due to building component conflict or is
damaged/destroyed during construction, a replacement monitoring point can be constructed,
pending approval by the design engineer certifying the VIMP. The replacement point(s) shall
consist of one of the specified designs in the design drawings. DEQ will be notified in advance
if monitoring points are relocated significantly in relation to approved locations specified in the
VIMP (i.e., if moved to a location in a different mitigation area, section of slab, or tenant area).
The specific types and locations of monitoring points installed will be documented in as-built
drawings provided in a VIMS installation completion report.
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2.4 General Installation Criteria
The VIMS installed components (e.g., vapor barrier, piping, monitoring points, etc.) shall be
protected by the installation contractor and sub-contractors throughout the project. Protective
measures (e.g., flagging, protective boards, etc.) shall be used as needed to prevent damage to the
VIMS components. For example, the monitoring points and riser duct piping should be capped
with a removable slip-cap or cover immediately following installation to prevent water and/or
debris from entering the VIMS, and vapor barrier shall be protected from punctures and tears
during site-work.

For each phase of construction (above and below slab), construction contractors and sub-
contractors shall use “low or no VOC” products and materials. Furthermore, the construction
contractors shall not use products containing the compounds PCE or TCE. Prior to submittal of
a VIMS installation completion report, the construction contractor and sub-contractors shall be
directed to provide safety data sheets (SDSs) for products and materials used during
construction. SDSs provided by the contractor and sub-contractors will be included in the VIMS
installation completion report.

Although, previous assessment activities did not indicate a notable source of volatile compounds
that could contribute to potential unacceptable levels of vapors in the subsurface, individual
utility trenches below entering beneath the building envelope or within the building footprint are
proposed to be backfilled with compacted soils which is expected to minimize lateral vapor
migration within chases and trenches. As such, utility trench dams that are sometimes warranted
to reduce the potential for lateral vapor migration along transmissive backfill layers (e.g., gravel,
sand, etc.) from areas of elevated contamination to areas of lower containment are not warranted
based on the specific Site conditions.
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3.0 Quality Assurance / Quality Control
For quality assurance and quality control (QA/QC) purposes, inspections will be conducted
during each phase of VIMS installation. The components that require inspection are outlined
below:
(1) Inspection of the base course stone layer, sub-slab piping layout, and monitoring points
prior to installing the vapor liner;
(2) Inspection of the vapor liner prior to pouring concrete or backfilling applicable sub-grade
vertical walls;
(3) Inspection of above-grade vertical riser piping; and
(4) Inspection of wind ventilators and riser pipe connections.

In addition to inspection of the vapor barrier, smoke testing of select areas of the vapor barrier
may be conducted per direction of the design engineer prior to the installation of concrete to
confirm the vapor barrier has been adequately sealed. Breaches in the vapor barrier identified by
visible smoke will be repaired by the installation contractor during smoke testing activities.
Each component of the VIMS shall be inspected and approved by the design engineer, or a
designee of the design engineer, prior to being covered. Additional inspections will be
conducted if the system(s) are activated to verify electric fans (if installed) function as designed.
Each inspection and smoke test (if warranted) will be performed by, or under direction of, the
design engineer certifying the VIMP.

Inspections will be combined, when possible, depending on construction sequencing and
schedule. The inspections will include field logs and photographs for each section of slab.
Locations where multiple penetrations are present and where products such as Pour-N-Seal™ are
used will be photographed and noted on the field logs. To minimize potential preferential
pathways through the slab, contractors will not use hollow piping to support utilities in
preparation for concrete pours. Contractors will be instructed to remove hollow piping observed
during the field inspections. The contractor shall notify the engineer certifying the VIMP, or
his/her designee, with a 48-hour notice prior to a planned inspection, and H&H will provide a
subsequent notice to DEQ for the pending inspection.
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4.0 VIMS Effectiveness Testing
4.1 Influence Testing

Post-installation (pre-occupancy) influence testing will be conducted on each VIMS treatment
area to evaluate vacuum communication across the slab and confirm sufficient depressurization
can be obtained should electric fans be needed in the future. Influence testing will be conducted
for each treatment area following installation of the horizontal collection piping, placement of
the vapor liner, and completion of concrete slab pours.

For system influence testing, one or more vapor extraction fans will be attached directly to
vertical riser piping for the section of the slab being evaluated. Pressure differential will be
measured at extraction fan locations and sub-slab vacuum levels will be measured at each
monitoring point location. A pressure differential resulting in depressurization below the slab of
at least 4 pascals (approximately 0.016 inches of water column) at remote distances from riser
location and in areas where influence is expected to be lowest in each VIMS treatment area is
considered sufficient evidence of sub-slab VIMS influence. Vacuum influence testing results
will be included in the VIMS installation completion report. If the influence testing results
indicate that modifications to the VIMS are needed to achieve sufficient sub-slab
depressurization, H&H will notify DEQ of the modifications prior to submittal of a VIMS
installation completion report.

4.2 Pre-Occupancy Sub-Slab Soil Gas Sampling

Following VIMS installation, but prior to occupancy of the building(s), sub-slab soil gas samples
will be collected from select monitoring points to further evaluate the potential for structural
vapor intrusion. The sub-slab soil gas samples will be collected from locations generally
separated by slab footings and at the furthest extents of the VIMS treatment areas. Sub-slab soil
gas sample analytical results will be used to evaluate potential risks to future occupants of the
building. The proposed sub-slab soil gas samples are for each building are indicated in the
following table:
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Building No. Sub-slab Sample Location Total Number
of Samples
1 Basement – MP-B-1, MP-B1-5, MP-B1-7 6 Level 1 – MP-B1-8, MP-B1-11, MP-B1-13
2 MP-B2-1, MP-B2-3 2
3 Level 1 – MP-B3-2, MP-B3-7, MP-B3-6 5 Level 2 – MP-B3-9, MP-B3-8
4 MP-B4-1, MP-B4-5, MP-B4-6 3

One duplicate sub-slab soil gas sample using a laboratory-supplied “T” fitting for laboratory
QA/QC purposes will be collected during each sampling event.

Prior to sample collection, leak tests will be performed at each sub-slab soil gas sample location.
A shroud will be constructed around the monitoring point and sub-slab soil gas sampling train
and sample canister. Air within the shroud will be flooded with helium gas, and helium
concentrations will be measured and maintained using a calibrated helium gas detector. With
helium concentrations within the shroud maintained, sub-slab soil gas will be purged from the
sampling point with an air pump and collected into a Tedlar bag. The calibrated helium gas
detector will be used to measure helium concentrations within Tedlar bag sample to confirm
concentrations are less than 10% of the concentration maintained within the shroud. A minimum
of three sample train volumes will be purged from each point prior to and during the leak testing
activities.

The sub-slab soil gas samples will be collected over an approximate 10-minute period using
laboratory supplied 1-liter or 1.4-liter Summa canisters and laboratory supplied flow regulators
calibrated with an approximate flow rate of 100 milliliters per minute. The vacuum in the
Summa canisters will be measured at the start and end of the sampling event, and will be
recorded by sampling personnel. The vacuum in each canister at the conclusion of the sampling
event shall remain above 0 inches of mercury (inHg), with a target vacuum of approximately 5
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inHg. H&H understands that, analytical results for a sample will not be accepted by DEQ if
internal vacuum for that sample reaches 0 inHg.

The samples will be submitted to a qualified laboratory under standard chain of custody
protocols for analysis of full-list VOCs by EPA Method TO-15, including the analyte
naphthalene. The analytical laboratory will be instructed to report vacuum measurements as
received at the lab and J-flag concentrations for each sample. In addition, H&H will request that
the laboratory report compound concentrations to the lower of the laboratory method detection
limits or to the extent possible, the DEQ DWM Residential SGSLs.

4.3 VIMS Effectiveness Results

The results and analysis of the sub-slab soil gas sampling will be submitted to DEQ with the
final VIMS installation completion report (discussed in Section 7.0). After receipt of the sub-
slab soil gas sample analytical results, H&H will use the most recent version of the DEQ Risk
Calculator to evaluate cumulative potential vapor intrusion risks under a residential scenario for
each sample location or VIMS treatment area, whichever is most applicable. H&H will consider
the VIMS effective if the calculated cumulative risks are 1x10-4 or less for potential carcinogenic
risks and a Hazard Index of 1.0 or less for potential non-carcinogenic risks, in accordance with
DEQ risk calculator thresholds. H&H acknowledges that DEQ may still request additional
sampling if Site contaminants of concern are elevated, even if the risk calculations are
acceptable.

In the event that calculated cumulative risks for a residential scenario based on sub-slab soil gas
sample data are greater than 1x10-4 for potential carcinogenic risks and/or above a Hazard Index
of 1.0 for potential non-carcinogenic risks, confirmation sub-slab soil gas or indoor air (see
below) samples will be collected for laboratory analysis from the area of potential concern. In
the event that an additional round of samples indicates acceptable risk levels are met, no further
pre-occupancy sampling will be conducted. In the event that calculated cumulative risks for a
residential scenario continue to exceed acceptable levels for potential carcinogenic risks and/or
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potential non-carcinogenic risks, considerations will be made to convert the system from a
passive system to an active system.

Indoor Air Sampling (if warranted)
As summarized in Section 1.0, results of previous assessment activities completed at the Site
have not identified a potential source of volatile compounds that may pose a vapor intrusion risk
into proposed multifamily buildings and results of worst-case risk calculations confirm there are
no potential vapor intrusion risks at unacceptable levels. Therefore, the VIMS is proposed as a
proactive measure. As such, if unacceptable risk levels are detected in the sub-slab soil gas
samples or as a conservative measure, if PCE and/or TCE are detected at concentrations above
the DEQ DWM Residential Vapor Intrusion SGSLs, then DEQ will be notified to discuss a
potential indoor air sampling plan.

The building is intended to be occupied shortly following completion and initialization of the
HVAC system. Therefore, the indoor air sampling events (if warranted) will be conducted
following construction and complete installation of the VIMS and fully enclosed building
including a minimum of two weeks with operational ventilators, but may be conducted prior to
initialization of the HVAC system(s) following discussion with and approval from DEQ. If
indoor air sampling is required, the locations, number of indoor air samples, and timing for the
indoor air samples will be chosen based on sub-slab soil gas sampling analytical data and
discussions between the design engineer and DEQ.

The indoor air samples will be collected using individually-certified 6-liter stainless steel Summa
canisters connected to in-line flow controllers equipped with a vacuum gauge. The flow
controllers will be set by the laboratory to allow the samples to be collected over an
approximately 24-hour period for a residential use scenario. A laboratory supplied 3-foot
sampling cane, or similar methods, will be connected to the flow controller so that the sample
intake point is positioned approximately 5 ft above grade (typical breathing zone height) when
the sample canister is set on its base. In addition, during each indoor air sampling event, one
duplicate sample for laboratory QA/QC and one background sample from an ambient air upwind
locations will be collected. Prior to and after the indoor and background air samples are
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collected, vacuum in the canisters will be measured using a laboratory-supplied vacuum gauge
and recorded by sampling personnel. A vacuum above 0 inHg and ideally around 5 inHg will be
maintained within the canisters at the conclusion of the sampling event.
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The starting and ending vacuum in each canister will be recorded on the sample chain of
custody. Periodic checks will be conducted by sampling personnel to monitor the pressure
within the Summa canisters during sampling to ensure adequate sample volume is collected. The
sample canisters will then be labeled and shipped under standard chain of custody protocols to a
qualified laboratory for analysis of select VOCs by EPA Method TO-15, including naphthalene.
The select compound list will be based upon the compounds detected in soil, groundwater,
exterior soil gas, and sub-slab soil gas samples. The analytical laboratory will be instructed to
report vacuum measurements at receipt and J-flag concentrations for each sample. H&H will
request that the laboratory report compound concentrations to the lower of the laboratory MDLs
or to the extent possible, the DEQ DWM Residential Vapor Intrusion Indoor Air Screening
Levels (IASLs). In addition, an Indoor Air Building Survey form (Appendix C of the DWM VI
Guidance) will be completed for each sampling event.

New construction materials such as treated lumber, paint, caulk, carpet, adhesives, sealants etc.,
which could be sources of VOCs in indoor air, may cause interference with Site-specific
compounds of concern during indoor air sampling. As previously noted, the construction
contractors will be requested to provide SDSs for materials used during construction which will
be submitted to DEQ, if needed to further evaluate sub-slab and indoor air data.

Based upon the results of the indoor air sampling (if warranted), H&H will make
recommendations in general accordance with the DWM VI Guidance. It is anticipated that the
recommendations will consist of one of the following:

• The VIMS is effective, and no further sampling of indoor air is warranted (per the DWM
VI Guidance, in the case where calculated cumulative risks are 1x10-4 or less for potential
carcinogenic risks and a hazard index of 1.0 or less for potential non-carcinogenic risks).

• Additional indoor air sampling is warranted to confirm that the VIMS is effective (per the
DWM VI Guidance, in the case where calculated cumulative risks are greater than 1x10-4
for potential carcinogenic risks or above a hazard index of 1 for potential non-
carcinogenic risks). Active fans may be installed as part of the VIMS and follow-up sub-
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slab soil gas and indoor air sampling will be performed after installation of the fans
should results of confirmation indoor air samples indicate that passive treatment is
inadequate (in the case where calculated cumulative risks continue to be greater than
1x10-4 for potential carcinogenic risks or above a hazard index of 1 for potential non-
carcinogenic risks).
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5.0 VIMS Effectiveness Monitoring
The VIMS is proposed as a passive system which will include vapor extraction through sub-slab
collection piping and solid riser pipes that discharge sub-slab vapors above the roofline. The
passive system will be enhanced with stationary ventilators to enhance air exhaust from the sub-
slab. As such, differential pressure monitoring is not anticipated. If the VIMS is converted to an
active system with electric fans based on post-construction VIMS efficacy testing results,
mitigation system modifications and plans for additional VIMS efficacy testing will be submitted
to the DEQ Brownfields Program for approval prior to implementation. The specific electric
fans to be used will be selected by the design engineer based on the results of the influence
testing discussed in Section 4.0.

Post-construction VIMS effectiveness monitoring will include semi-annual sub-slab soil gas
sampling at the locations indicated in Section 4.0. The sampling will be conducted using the
procedures described in this VIMP. If the annual sampling results indicate consistent or
decreasing concentrations within acceptable risk levels, a request to modify or terminate
sampling will be submitted for DEQ approval. No changes to the sampling frequency or
termination of sampling will be implemented until written approval is obtained from DEQ.

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6.0 Future Tenants & Building Uses
The future use of the proposed Site buildings includes high-density multifamily residential with
associated amenity areas. After occupancy of the Site buildings, VIMS maintenance and upkeep
will be the responsibility of the building owner or property management group. If vapor
mitigation components are damaged or need to be altered for building renovations, the building
owners or management will be instructed to contact appropriate parties to conduct appropriate
maintenance.

A North Carolina licensed Professional Engineer (NC PE) will be contacted to oversee or inspect
the modifications or repair activities, and a report shall be submitted to DEQ detailing the repairs
or alterations. To aid in identification of the vapor mitigation piping, the piping will be labeled
with “Vapor Mitigation – Contact Maintenance”, or similar language, on accessible piping at
intervals of no greater than 10-linear feet. Similar labels will also be affixed near the exhaust
discharge on the roof.

As part of the standard annual Land Use Restriction Update submittal that will be required as
part of the pending Brownfields Agreement, H&H recommends the building owner or property
management group complete a visual inspection of the exposed parts of the system including, but
not limited to, the vertical risers and ventilators on the roof and the monitoring points. H&H
recommends annual inspections be documented and kept on record to be provided to DEQ upon
request.
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7.0 Reporting
A VIMS Installation Completion Report (sealed by a NC PE) documenting installation activities
associated with the VIMS will be submitted to DEQ following confirmation that the mitigation
system is installed and effectively mitigating potential vapor intrusion risks to building
occupants. The report will include a summary of VIMS installation activities such as
representative photographs and as-built drawings, QA/QC measures, SDSs of materials used in
construction, VIMS effectiveness testing results, and inspection documents. The report will also
include a statement provided by the design engineer as to whether the VIMS was installed in
accordance with the DEQ approved VIMP and is protective of public health as defined in
Section 1.0, and as evidenced by the VIMS inspections performed by the engineer or designee of
the design engineer, results of the influence testing, results of the analytical testing, and QA/QC
measures as described in this VIMP. Deviations from the approved design will be provided in
the report.

The pending Brownfields Agreement is anticipated to include standard land use restrictions that
indicate the building(s) shall not be occupied until DEQ provides written compliance approval
for the installation and performance of the VIMS as documented in the installation report.
However, we understand that DEQ may provide conditional approval with submittal of a data
summary package in lieu of the full VIMS Installation Completion Report if warranted based on
timing of the proposed building occupancy date and report review times. No occupancy of the
building can occur without prior written approval of DEQ, with the decision based on the pre-
occupancy VIMS efficacy sampling results.

After each annual post-construction (post-occupancy) sub-slab soil gas sampling event, a report
will be submitted to DEQ to document the sampling activities and results.

USGS The National Map: National Boundaries Dataset, 3DEP Elevation
Program, Geographic Names Information System, National Hydrography
Dataset, National Land Cover Database, National Structures Dataset,
and National Transportation Dataset; USGS Global Ecosystems; U.S.
Census Bureau TIGER/Line data; USFS Road Data; Natural Earth Data;
U.S. Department of State Humanitarian Information Unit; and NOAA
National Centers for Environmental Information, U.S. Coastal Relief
Model. Data refreshed August, 2021.
SITE LOCATION MAP
CARUASTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
DATE: 2-17-22
JOB NO: POR-001
REVISION NO: 0
FIGURE NO: 1
2923 South Tryon Street - Suite 100Charlotte, North Carolina 28203704-586-0007 (p) 704-586-0373 (f)License # C-1269 / # C-245 Geology
TITLE
PROJECT
0 2,000 4,000
SCALE IN FEET
SITE
Path: \\harthick.sharepoint.com@SSL\DavWWWRoot\sites\MasterFiles-1\Shared Documents\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\Figure-1.mxdN
U.S.G.S. QUADRANGLE MAP
CHARLOTTE EAST, NORTH CAROLINA 2019
QUADRANGLE
7.5 MINUTE SERIES (TOPOGRAPHIC)
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 2
CARAUSTA AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
SITE MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL BOUNDARY
SURFACE WATER FEATURE
PROPOSED RESIDENTIAL BUILDING -
FIRST PHASE
PROPOSED RESIDENTIAL BUILDING -
SECOND PHASE
PROPOSED PARKING DECK
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
NOTES:
1.AERIAL IMAGERY AND PARCEL DATA OBTAINED FROM
MECKLENBURG COUNTY GIS (2022).
2.PIN = PARCEL IDENTIFICATION NUMBER
AST = ABOVEGROUND STORAGE TANK
WIKOFF
COLOR
FORMER OLD
DOMINION BOX CO.
FORMER INK
MANUFACTURING
FACILITY
FORMER
WAREHOUSE
FORMER
AERATION
BASIN
BLUE
BLAZE
BREWING
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)
FORMER CARAUSTAR WAREHOUSE
(PAPERBOARD PROCESSING)
FORMER CARAUSTAR WAREHOUSE
(PAPER STORAGE BUILDING)
SCRAP PAPER STORAGE
FORMER PULP MILL
FORMER CLARIFIERS
FORMER BOILER ROOM
FORMER AST AREA
FORMER UST
AREA (REMOVED)
FORMER FINISHING ROTARY
DRY AREA, AND MACHINE SHOP
RES.07
RES.08
RES.09
RES.01
RES.02
RES.05
RES.06
RES.04
RES.03
PIN: 07111412
PIN: 07111410
PIN: 07111410
PIN: 07111417
PIN: 07110552
PIN: 07110551
PIN: 07110501
PIN: 07110503
PIN: 07111209
C
H
A
M
B
E
R
L
A
I
N

A
V
E
N
U
ES. GARDNER AVENUER
O
Z
Z
E
L
L
E
S

F
E
R
R
Y

R
O
A
D
S. TURNER AVENUESTATE STREET
COXE AVENUESTEWART CREEKS:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\VIMP\Site Map.dwg, FIG 2, 4/22/2022 10:50:38 AM, SVincent
Attachment A
Previous Assessment Data Summary
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationDowngradient of Wikoff Color PropertyFormer Clarifier Area Former AST Area Former UST Area Former Boiler Room Former Aeration PondSample ID2016-SB-01 2016-SB-02 2016-SB-03 2016-SB-04 2016-SB-05 2016-SB-06Depth of Sample (ft bgs)4-5 0.5-5 2-5 4-5 4-5 2-5Sample Date2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016VOCs (8260)Acetone25 12,000 140,000<0.114 <0.0963 <0.0962 <0.0826 <0.132 <0.0920Benzene0.01 1.2 5.4<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Bromomethane0.05 1.4 6.4<0.0114 <0.0096 <0.0096 <0.0083 <0.0132 <0.0092Carbon Disulfide4.1 160 740NA NA NA NA NA NAEthylbenzene13 6.1 27<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Isopropylbenzene (cumene)2.3 410 2,100<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046p-IsopropyltolueneNE NE NE<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.00464-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0568 <0.0482 <0.0481 <0.0413 <0.0659 <0.0460Methylene Chloride0.025 58 650<0.0227 <0.0193 <0.0192 <0.0165 <0.0264 <0.0184Methyl tert butyl ether (MTBE)0.09 49 220<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Naphthalene0.39 2.1 8.8<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Tetrachloroethylene0.0063 17 82<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Toluene8.3 990 9,700<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.00461,2,4-Trimethylbenzene12 63 370<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.00461,3,5-Trimethylbenzene11 56 320<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046m&p-Xylene9.8 120 500<0.0114 <0.0096 <0.0096 <0.0083 <0.0132 <0.0092o-Xylene9.8 140 590<0.0057 <0.0048 <0.0048 <0.0041 <0.0066 <0.0046Total Xylene9.9 120 530<0.0114 <0.0096 <0.0096 <0.0083 <0.0132 <0.0092SVOCs (8270)Acenaphthene16 720 9,000<0.386 <0.397 <0.429 <0.392 <0.461 <0.389AcenaphthyleneNE NE NE<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Anthracene1,300 3,600 45,000<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Benzo(a)anthracene0.35 1.1 21<0.3860.807<0.429 <0.392 <0.461 <0.389Benzo(a)pyrene0.12 0.11 2.1<0.3860.631<0.429<0.392<0.461<0.389Benzo(b)fluoranthene1.2 1.1 21<0.3860.895<0.429 <0.392 <0.461 <0.389Benzo(k)fluoranthene12 11 210<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Benzo(g,h,i)peryleneNE NE NE<0.3860.403<0.429 <0.392 <0.461 <0.389bis(2-Ethylhexyl)phthalate14 39 160<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Chrysene36 110 2,100<0.3860.734<0.429 <0.392 <0.461 <0.389Dibenz(a,h)anthracene0.38 0.11 2.1<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Dibenzofuran10 16 230<0.386 <0.397 <0.429 <0.392 <0.461 <0.3892,4-Dimethylphenol2.4 250 3,300<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Di-n-butylphthalateNE NE NE<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Di-n-octylphthalateNE NE NE<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Fluoranthene670 480 6,000<0.3861.66<0.429 <0.392 <0.461 <0.389Fluorene110 480 6,000<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.386 <0.397 <0.429 <0.392 <0.461 <0.3891-Methylnaphthalene0.11 18 73<0.386 <0.397 <0.429 <0.392 <0.461 <0.3892-Methylnaphthalene3.1 48 600<0.386 <0.397 <0.429 <0.392 <0.461 <0.3892-Methylphenol (o-cresol)6.5 630 8,200<0.386 <0.397 <0.429 <0.392 <0.461 <0.3893&4-Methylphenol (m&p phenol)17 1,300 16,000<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Naphthalene0.39 2.1 8.8<0.386 <0.397 <0.429 <0.392 <0.461 <0.389PhenanthreneNE NE NE<0.3861.20<0.429 <0.392 <0.461 <0.389Phenol0.34 3,800 49,000<0.386 <0.397 <0.429 <0.392 <0.461 <0.389Pyrene440 360 4,500<0.3861.43<0.429 <0.392 <0.461 <0.389Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 1 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationFormer Textile Mill AreaFormer Machine ShopFormer Pump ManufacturingSample ID2016-SB-07 2016-SB-09 2016-SB-10Depth of Sample (ft bgs)2-4 2-5 2-5 0.5-2 2-5Sample Date2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016VOCs (8260)Acetone25 12,000 140,000<0.0988 <0.0933 <0.105 <0.0968 <0.0831Benzene0.01 1.2 5.4<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Bromomethane0.05 1.4 6.4<0.0099 <0.0093 <0.0105 <0.0097 <0.0083Carbon Disulfide4.1 160 740NA NA NA NA NAEthylbenzene13 6.1 27<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Isopropylbenzene (cumene)2.3 410 2,100<0.0049 <0.0047 <0.0052 <0.0048 <0.0042p-IsopropyltolueneNE NE NE<0.0049 <0.0047 <0.0052 <0.0048 <0.00424-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0494 <0.0466 <0.0524 <0.0484 <0.0415Methylene Chloride0.025 58 650<0.0198 <0.0187 <0.0210 <0.0194 <0.0166Methyl tert butyl ether (MTBE)0.09 49 220<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Naphthalene0.39 2.1 8.8<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Tetrachloroethylene0.0063 17 82<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Toluene8.3 990 9,700<0.0049 <0.0047 <0.0052 <0.0048 <0.00421,2,4-Trimethylbenzene12 63 370<0.0049 <0.0047 <0.0052 <0.0048 <0.00421,3,5-Trimethylbenzene11 56 320<0.0049 <0.0047 <0.0052 <0.0048 <0.0042m&p-Xylene9.8 120 500<0.0099 <0.0093 <0.0105 <0.0097 <0.0083o-Xylene9.8 140 590<0.0049 <0.0047 <0.0052 <0.0048 <0.0042Total Xylene9.9 120 530<0.0099 <0.0093 <0.0105 <0.0097 <0.0083SVOCs (8270)Acenaphthene16 720 9,000<0.375 <0.4140.965<0.413 <0.389AcenaphthyleneNE NE NE<0.375 <0.414 <0.405 <0.413 <0.389Anthracene1,300 3,600 45,000<0.375 <0.4142.45<0.413 <0.389Benzo(a)anthracene0.35 1.1 21<0.3750.475 4.47<0.413<0.389Benzo(a)pyrene0.120.112.1<0.375<0.4143.57<0.413<0.389Benzo(b)fluoranthene1.21.121<0.3750.4594.09<0.413<0.389Benzo(k)fluoranthene1211210<0.375<0.4141.46<0.413<0.389Benzo(g,h,i)peryleneNENENE<0.375<0.4141.73<0.413<0.389bis(2-Ethylhexyl)phthalate1439160<0.375<0.414<0.405<0.413<0.389Chrysene361102,100<0.375<0.4143.29<0.413<0.389Dibenz(a,h)anthracene0.380.112.1<0.375<0.4140.521<0.413<0.389Dibenzofuran1016230<0.375<0.4140.670<0.413<0.3892,4-Dimethylphenol2.42503,300<0.375<0.414<0.405<0.413<0.389Di-n-butylphthalateNENENE<0.375<0.414<0.405<0.413<0.389Di-n-octylphthalateNENENE<0.375<0.414<0.405<0.413<0.389Fluoranthene6704806,000<0.3751.0010.1<0.413<0.389Fluorene1104806,000<0.375<0.4141.32<0.413<0.389Indeno(1,2,3-cd)pyrene3.91.121<0.375<0.4141.80<0.413<0.3891-Methylnaphthalene0.111873<0.375<0.414<0.405<0.413<0.3892-Methylnaphthalene3.148600<0.375<0.414<0.405<0.413<0.3892-Methylphenol (o-cresol)6.56308,200<0.375<0.414<0.405<0.413<0.3893&4-Methylphenol (m&p phenol)171,30016,000<0.375<0.414<0.405<0.413<0.389Naphthalene0.392.18.8<0.375<0.414<0.405<0.413<0.389PhenanthreneNENENE<0.3750.6618.08<0.413<0.389Phenol0.343,80049,000<0.375<0.414<0.405<0.413<0.389Pyrene4403604,500<0.3750.7896.60<0.413<0.389Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Former Bleach/Finishing RoomScreening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)2016-SB-08 / DUP-01-2252016https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 2 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-12 2016-SB-13Depth of Sample (ft bgs)0.5-2 0.5-2 4-5 0.5-2Sample Date2/26/2016 2/26/2016 2/26/2016 2/26/2016VOCs (8260)Acetone25 12,000 140,000<0.0866 <0.0844 <0.0808 <0.0859Benzene0.01 1.2 5.4<0.0043 <0.0042 <0.0040 <0.0043Bromomethane0.05 1.4 6.4<0.0087 <0.0084 <0.0081 <0.0086Carbon Disulfide4.1 160 740NA NA NA NAEthylbenzene13 6.1 27<0.0043 <0.0042 <0.0040 <0.0043Isopropylbenzene (cumene)2.3 410 2,100<0.0043 <0.0042 <0.0040 <0.0043p-IsopropyltolueneNE NE NE<0.0043 <0.0042 <0.0040 <0.00434-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0433 <0.0422 <0.0404 <0.0430Methylene Chloride0.025 58 650<0.0173 <0.0169 <0.0162 <0.0172Methyl tert butyl ether (MTBE)0.09 49 220<0.0043 <0.0042 <0.0040 <0.0043Naphthalene0.39 2.1 8.8<0.0043 <0.0042 <0.0040 <0.0043Tetrachloroethylene0.0063 17 82<0.0043 <0.0042 <0.0040 <0.0043Toluene8.3 990 9,700<0.0043 <0.0042 <0.0040 <0.00431,2,4-Trimethylbenzene12 63 370<0.0043 <0.0042 <0.0040 <0.00431,3,5-Trimethylbenzene11 56 320<0.0043 <0.0042 <0.0040 <0.0043m&p-Xylene9.8 120 500<0.0087 <0.0084 <0.0081 <0.0086o-Xylene9.8 140 590<0.0043 <0.0042 <0.0040 <0.0043Total Xylene9.9 120 530<0.0087 <0.0084 <0.0081 <0.0086SVOCs (8270)Acenaphthene16 720 9,000<0.396 <0.384 <0.376 <4.00AcenaphthyleneNE NE NE<0.396 <0.384 <0.376 <4.00Anthracene1,300 3,600 45,000<0.396 <0.384 <0.376 <4.00Benzo(a)anthracene0.35 1.1 21<0.396 <0.384 <0.376 <4.00Benzo(a)pyrene0.12 0.11 2.1<0.396 <0.384 <0.376 <4.00Benzo(b)fluoranthene1.2 1.1 21<0.396 <0.384 <0.376 <4.00Benzo(k)fluoranthene12 11 210<0.396 <0.384 <0.376 <4.00Benzo(g,h,i)peryleneNE NE NE<0.396 <0.384 <0.376 <4.00bis(2-Ethylhexyl)phthalate14 39 160<0.396 <0.384 <0.376 <4.00Chrysene36 110 2,100<0.396 <0.384 <0.376 <4.00Dibenz(a,h)anthracene0.38 0.11 2.1<0.396 <0.384 <0.376 <4.00Dibenzofuran10 16 230<0.396 <0.384 <0.376 <4.002,4-Dimethylphenol2.4 250 3,300<0.396 <0.384 <0.376 <4.00Di-n-butylphthalateNE NE NE<0.396 <0.384 <0.376 <4.00Di-n-octylphthalateNE NE NE<0.396 <0.384 <0.376 <4.00Fluoranthene670 480 6,000<0.396 <0.384 <0.376 <4.00Fluorene110 480 6,000<0.396 <0.384 <0.376 <4.00Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.396 <0.384 <0.376 <4.001-Methylnaphthalene0.11 18 73<0.396 <0.384 <0.376 <4.002-Methylnaphthalene3.1 48 600<0.396 <0.384 <0.376 <4.002-Methylphenol (o-cresol)6.5 630 8,200<0.396 <0.384 <0.376 <4.003&4-Methylphenol (m&p phenol)17 1,300 16,000<0.396 <0.384 <0.376 <4.00Naphthalene0.39 2.1 8.8<0.396 <0.384 <0.376 <4.00PhenanthreneNE NE NE<0.396 <0.384 <0.376 <4.00Phenol0.34 3,800 49,000<0.396 <0.384 <0.376 <4.00Pyrene440 360 4,500<0.396 <0.384 <0.376 <4.00Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Diesel AST Area (Caraustar)2016-SB-11 / DUP-02-02262016Main Mill Property https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 3 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-14 2016-SB-15 2016-SB-16 2016-SB-17 2016-SB-18Depth of Sample (ft bgs)0.5-2 0.5-2 2-4 4-5 4-5Sample Date2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/26/2016VOCs (8260)Acetone25 12,000 140,000<0.0876 <0.0965 <0.0994 <0.0952 <0.0940Benzene0.01 1.2 5.4<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Bromomethane0.05 1.4 6.4<0.0088 <0.0097 <0.0099 <0.0095 <0.0094Carbon Disulfide4.1 160 740NA NA NA NA NAEthylbenzene13 6.1 27<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Isopropylbenzene (cumene)2.3 410 2,100<0.0044 <0.0048 <0.0050 <0.0048 <0.0047p-IsopropyltolueneNE NE NE<0.0044 <0.0048 <0.0050 <0.0048 <0.00474-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0438 <0.0483 <0.0497 <0.0476 <0.0470Methylene Chloride0.025 58 650<0.0175 <0.0193 <0.0199 <0.0190 <0.0188Methyl tert butyl ether (MTBE)0.09 49 220<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Naphthalene0.39 2.1 8.8<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Tetrachloroethylene0.0063 17 82<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Toluene8.3 990 9,700<0.0044 <0.0048 <0.0050 <0.0048 <0.00471,2,4-Trimethylbenzene12 63 370<0.0044 <0.0048 <0.0050 <0.0048 <0.00471,3,5-Trimethylbenzene11 56 320<0.0044 <0.0048 <0.0050 <0.0048 <0.0047m&p-Xylene9.8 120 500<0.0088 <0.0097 <0.0099 <0.0095 <0.0094o-Xylene9.8 140 590<0.0044 <0.0048 <0.0050 <0.0048 <0.0047Total Xylene9.9 120 530<0.0088 <0.0097 <0.0099 <0.0095 <0.0094SVOCs (8270)Acenaphthene16 720 9,000<0.398 <0.390 <0.401 <0.416 <0.404AcenaphthyleneNE NE NE<0.398 <0.390 <0.401 <0.416 <0.404Anthracene1,300 3,600 45,000<0.398 <0.390 <0.401 <0.416 <0.404Benzo(a)anthracene0.35 1.1 21<0.398 <0.390 <0.401 <0.416 <0.404Benzo(a)pyrene0.12 0.11 2.1<0.398 <0.390 <0.401 <0.416 <0.404Benzo(b)fluoranthene1.2 1.1 21<0.398 <0.390 <0.401 <0.416 <0.404Benzo(k)fluoranthene12 11 210<0.398 <0.390 <0.401 <0.416 <0.404Benzo(g,h,i)peryleneNE NE NE<0.398 <0.390 <0.401 <0.416 <0.404bis(2-Ethylhexyl)phthalate14 39 160<0.398 <0.390 <0.401 <0.416 <0.404Chrysene36 110 2,100<0.398 <0.390 <0.401 <0.416 <0.404Dibenz(a,h)anthracene0.38 0.11 2.1<0.398 <0.390 <0.401 <0.416 <0.404Dibenzofuran10 16 230<0.398 <0.390 <0.401 <0.416 <0.4042,4-Dimethylphenol2.4 250 3,300<0.398 <0.390 <0.401 <0.416 <0.404Di-n-butylphthalateNE NE NE<0.398 <0.390 <0.401 <0.416 <0.404Di-n-octylphthalateNE NE NE<0.398 <0.390 <0.401 <0.416 <0.404Fluoranthene670 480 6,000<0.398 <0.390 <0.401 <0.416 <0.404Fluorene110 480 6,000<0.398 <0.390 <0.401 <0.416 <0.404Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.398 <0.390 <0.401 <0.416 <0.4041-Methylnaphthalene0.11 18 73<0.398 <0.390 <0.401 <0.416 <0.4042-Methylnaphthalene3.1 48 600<0.398 <0.390 <0.401 <0.416 <0.4042-Methylphenol (o-cresol)6.5 630 8,200<0.398 <0.390 <0.401 <0.416 <0.4043&4-Methylphenol (m&p phenol)17 1,300 16,000<0.398 <0.390 <0.401 <0.416 <0.404Naphthalene0.39 2.1 8.8<0.398 <0.390 <0.401 <0.416 <0.404PhenanthreneNE NE NE<0.398 <0.390 <0.401 <0.416 <0.404Phenol0.34 3,800 49,000<0.398 <0.390 <0.401 <0.416 <0.404Pyrene440 360 4,500<0.398 <0.390 <0.401 <0.416 <0.404Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Main Mill Property Former Old Dominion Box Co.https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 4 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-19 2016-SB-20 2016-SB-21 2016-SB-22 2016-SB-23Depth of Sample (ft bgs)1-2 2-5 2-5 2-5 4-5Sample Date2/26/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016VOCs (8260)Acetone25 12,000 140,000<0.0765<0.09200.177<0.0930 <0.0978Benzene0.01 1.2 5.4<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Bromomethane0.05 1.4 6.4<0.0076 <0.0092 <0.0089 <0.0093 <0.0098Carbon Disulfide4.1 160 740NA NA NA NA NAEthylbenzene13 6.1 27<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Isopropylbenzene (cumene)2.3 410 2,100<0.0038 <0.0046 <0.0044 <0.0046 <0.0049p-IsopropyltolueneNE NE NE<0.0038 <0.0046 <0.0044 <0.0046 <0.00494-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0382 <0.0460 <0.0443 <0.0465 <0.0489Methylene Chloride0.025 58 650<0.0153 <0.0184 <0.0177 <0.0186 <0.0196Methyl tert butyl ether (MTBE)0.09 49 220<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Naphthalene0.39 2.1 8.8<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Tetrachloroethylene0.0063 17 82<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Toluene8.3 990 9,700<0.0038 <0.0046 <0.0044 <0.0046 <0.00491,2,4-Trimethylbenzene12 63 370<0.0038 <0.0046 <0.0044 <0.0046 <0.00491,3,5-Trimethylbenzene11 56 320<0.0038 <0.0046 <0.0044 <0.0046 <0.0049m&p-Xylene9.8 120 500<0.0076 <0.0092 <0.0089 <0.0093 <0.0098o-Xylene9.8 140 590<0.0038 <0.0046 <0.0044 <0.0046 <0.0049Total Xylene9.9 120 530<0.0076 <0.0092 <0.0089 <0.0093 <0.0098SVOCs (8270)Acenaphthene16 720 9,000<0.376 <0.405 <0.405 <0.409 <0.418AcenaphthyleneNE NE NE<0.376 <0.405 <0.405 <0.409 <0.418Anthracene1,300 3,600 45,000<0.376 <0.405 <0.405 <0.409 <0.418Benzo(a)anthracene0.35 1.1 21<0.376 <0.405 <0.405 <0.409 <0.418Benzo(a)pyrene0.12 0.11 2.1<0.376 <0.405 <0.405 <0.409 <0.418Benzo(b)fluoranthene1.2 1.1 21<0.376 <0.405 <0.405 <0.409 <0.418Benzo(k)fluoranthene12 11 210<0.376 <0.405 <0.405 <0.409 <0.418Benzo(g,h,i)peryleneNE NE NE<0.376 <0.405 <0.405 <0.409 <0.418bis(2-Ethylhexyl)phthalate14 39 160<0.376 <0.405 <0.405 <0.409 <0.418Chrysene36 110 2,100<0.376 <0.405 <0.405 <0.409 <0.418Dibenz(a,h)anthracene0.38 0.11 2.1<0.376 <0.405 <0.405 <0.409 <0.418Dibenzofuran10 16 230<0.376 <0.405 <0.405 <0.409 <0.4182,4-Dimethylphenol2.4 250 3,300<0.376 <0.405 <0.405 <0.409 <0.418Di-n-butylphthalateNE NE NE<0.376 <0.405 <0.405 <0.409 <0.418Di-n-octylphthalateNE NE NE<0.376 <0.405 <0.405 <0.409 <0.418Fluoranthene670 480 6,000<0.376 <0.405 <0.405 <0.409 <0.418Fluorene110 480 6,000<0.376 <0.405 <0.405 <0.409 <0.418Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.376 <0.405 <0.405 <0.409 <0.4181-Methylnaphthalene0.11 18 73<0.376 <0.405 <0.405 <0.409 <0.4182-Methylnaphthalene3.1 48 600<0.376 <0.405 <0.405 <0.409 <0.4182-Methylphenol (o-cresol)6.5 630 8,200<0.376 <0.405 <0.405 <0.409 <0.4183&4-Methylphenol (m&p phenol)17 1,300 16,000<0.376 <0.405 <0.405 <0.409 <0.418Naphthalene0.39 2.1 8.8<0.376 <0.405 <0.405 <0.409 <0.418PhenanthreneNE NE NE<0.376 <0.405 <0.405 <0.409 <0.418Phenol0.34 3,800 49,000<0.376 <0.405 <0.405 <0.409 <0.418Pyrene440 360 4,500<0.376 <0.405 <0.405 <0.409 <0.418Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Main Mill Property Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 5 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationFormer Clarifier AreaSouthern Portion of SiteOld Rail SpurFormer Bleaching/ Dyeing RoomFormer Mill WarehouseSample ID2016-SB-24 2016-SB-25 2016-SB-26 2016-SB-27 2020-SB-01Depth of Sample (ft bgs)2-4 4-5 2-4 0.5-2 0-2.5Sample Date2/25/2016 2/25/2016 2/25/2016 2/25/2016 8/13/2020VOCs (8260)Acetone25 12,000 140,000<0.09630.147<0.0827 <0.102<0.0413Benzene0.01 1.2 5.4<0.0048 <0.0058 <0.0041 <0.0051<0.0039Bromomethane0.05 1.4 6.4<0.0096 <0.0117 <0.0083 <0.0102<0.0087Carbon Disulfide4.1 160 740NA NA NA NA NAEthylbenzene13 6.1 27<0.0048 <0.0058 <0.0041 <0.0051<0.0052Isopropylbenzene (cumene)2.3 410 2,100<0.0048 <0.0058 <0.0041 <0.0051<0.0035p-IsopropyltolueneNE NE NE<0.0048 <0.0058 <0.0041 <0.0051<0.00314-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0481 <0.0584 <0.0413 <0.0509<0.0468Methylene Chloride0.025 58 650<0.0193 <0.0233 <0.0165 <0.0204<0.0082Methyl tert butyl ether (MTBE)0.09 49 220<0.0048 <0.0058 <0.0041 <0.0051<0.0035Naphthalene0.39 2.1 8.8<0.0048 <0.0058 <0.0041 <0.0051<0.0031Tetrachloroethylene0.0063 17 82<0.0048 <0.0058 <0.0041 <0.0051<0.0027Toluene8.3 990 9,700<0.0048 <0.0058 <0.0041 <0.00510.0047J1,2,4-Trimethylbenzene12 63 370<0.0048 <0.0058 <0.0041 <0.0051<0.00401,3,5-Trimethylbenzene11 56 320<0.0048 <0.0058 <0.0041 <0.0051<0.0033m&p-Xylene9.8 120 500<0.0096 <0.0117 <0.0083 <0.0102<0.0085o-Xylene9.8 140 590<0.0048 <0.0058 <0.0041 <0.0051<0.0032Total Xylene9.9 120 530<0.0096 <0.0117 <0.0083 <0.0102<0.0032SVOCs (8270)Acenaphthene16 720 9,000<0.427 <0.436 <0.343 <0.344<0.0994AcenaphthyleneNE NE NE<0.427 <0.436 <0.343 <0.344<0.0914Anthracene1,300 3,600 45,000<0.427 <0.436 <0.343 <0.344<0.1000Benzo(a)anthracene0.35 1.1 21<0.427 <0.436 <0.343 <0.344<0.1230Benzo(a)pyrene0.12 0.11 2.1<0.427 <0.436 <0.343 <0.344<0.1670Benzo(b)fluoranthene1.2 1.1 21<0.427 <0.436 <0.343 <0.344<0.1560Benzo(k)fluoranthene12 11 210<0.427 <0.436 <0.343 <0.344<0.1630Benzo(g,h,i)peryleneNE NE NE<0.427 <0.436 <0.343 <0.344<0.1510bis(2-Ethylhexyl)phthalate14 39 160<0.427 <0.436 <0.343 <0.344<0.1260Chrysene36 110 2,100<0.427 <0.436 <0.343 <0.344<0.1120Dibenz(a,h)anthracene0.38 0.11 2.1<0.427 <0.436 <0.343 <0.344<0.1550Dibenzofuran10 16 230<0.427 <0.436 <0.343 <0.344<0.09662,4-Dimethylphenol2.4 250 3,300<0.427 <0.436 <0.343 <0.344<0.0962Di-n-butylphthalateNE NE NE<0.427 <0.436 <0.343 <0.344<0.0953Di-n-octylphthalateNE NE NE<0.427 <0.436 <0.343 <0.344<0.2200Fluoranthene670 480 6,000<0.427 <0.436 <0.343 <0.344<0.1170Fluorene110 480 6,000<0.427 <0.436 <0.343 <0.344<0.1030Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.427 <0.436 <0.343 <0.344<0.17701-Methylnaphthalene0.11 18 73<0.427 <0.436 <0.343 <0.344<0.10302-Methylnaphthalene3.1 48 600<0.427 <0.436 <0.343 <0.344<0.09832-Methylphenol (o-cresol)6.5 630 8,200<0.427 <0.436 <0.343 <0.344<0.08563&4-Methylphenol (m&p phenol)17 1,300 16,000<0.427 <0.436 <0.343 <0.344<0.0972Naphthalene0.39 2.1 8.8<0.427 <0.436 <0.343 <0.344<0.0925PhenanthreneNE NE NE<0.427 <0.436 <0.343 <0.344<0.0973Phenol0.34 3,800 49,000<0.427 <0.436 <0.343 <0.344<0.0922Pyrene4403604,500<0.427<0.436<0.343<0.344<0.1060Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 6 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2018-SB-01 2018-SB-02 2018-SB-03 2018-SB-04 2018-SB-05Depth of Sample (ft bgs)4-5 2-3 2-3 2-3 2-3Sample Date3/23/2018 3/23/2018 3/23/2018 3/23/2018 3/23/2018VOCs (8260)Acetone25 12,000 140,0000.0285J 0.0123J<0.01070.0091J<0.0096Benzene0.01 1.2 5.4<0.0016 <0.0019 <0.0017 <0.0011 <0.0015Bromomethane0.05 1.4 6.4<0.0025 <0.0030 <0.0027 <0.0017 <0.0024Carbon Disulfide4.1 160 740NA NA NA NA NAEthylbenzene13 6.1 27<0.0018 <0.0021 <0.0019 <0.0013 <0.0017Isopropylbenzene (cumene)2.3 410 2,100<0.0019 <0.0023 <0.0020 <0.0013 <0.0018p-IsopropyltolueneNE NE NE0.0020J<0.0020 <0.0018 <0.0012 <0.00164-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.0038 <0.0044 <0.0040 <0.0026 <0.0036Methylene Chloride0.025 58 650<0.0030 <0.0036 <0.0032 <0.0021 <0.0029Methyl tert butyl ether (MTBE)0.09 49 220<0.0015 <0.0018 <0.0016 <0.0010 <0.0014Naphthalene0.39 2.1 8.8<0.0012 <0.0014 <0.00130.0171<0.0012Tetrachloroethylene0.0063 17 82<0.0017 <0.0020 <0.0018 <0.0012 <0.0016Toluene8.3 990 9,700<0.0018 <0.0021 <0.0019 <0.0013 <0.00171,2,4-Trimethylbenzene12 63 370<0.0020 <0.0024 <0.0021 <0.0014 <0.00191,3,5-Trimethylbenzene11 56 320<0.0018 <0.0021 <0.0019 <0.0013 <0.0017m&p-Xylene9.8 120 500<0.0037 <0.0043 <0.0039 <0.0025 <0.0035o-Xylene9.8 140 590<0.0019 <0.0023 <0.0020 <0.0013 <0.0018Total Xylene9.9 120 530<0.0037 <0.0043 <0.0039 <0.0025 <0.0035SVOCs (8270)Acenaphthene16 720 9,000<0.0941 <0.0967 <0.10301.28<0.0924AcenaphthyleneNE NE NE<0.0966 <0.0993 <0.10500.292J<0.0948Anthracene1,300 3,600 45,000<0.0916 <0.0942 <0.10004.03<0.0900Benzo(a)anthracene0.35 1.1 21<0.0755 <0.07760.505 9.190.725Benzo(a)pyrene0.12 0.11 2.1<0.0780 <0.08020.4518.080.328JBenzo(b)fluoranthene1.2 1.1 21<0.0706 <0.07250.58511.60.535Benzo(k)fluoranthene12 11 210<0.0805 <0.0827 <0.08783.64 0.268JBenzo(g,h,i)peryleneNE NE NE<0.1040 <0.10700.326J 4.20 0.128Jbis(2-Ethylhexyl)phthalate14 39 160<0.1110 <0.1150 <0.1220 <0.096 <0.1090Chrysene36 110 2,100<0.0545 <0.05600.428J 7.83 0.772Dibenz(a,h)anthracene0.38 0.11 2.1<0.0867 <0.0891 <0.09461.32<0.0851Dibenzofuran10 16 230<0.0668 <0.0687 <0.07301.36<0.06572,4-Dimethylphenol2.4 250 3,300<0.1610 <0.1650 <0.1760 <0.1440 <0.1580Di-n-butylphthalateNE NE NE<0.0668 <0.0687 <0.0730 <0.0598 <0.0657Di-n-octylphthalateNE NE NE<0.0854 <0.0878 <0.0933 <0.0764 <0.0839Fluoranthene670 480 6,000<0.0594 <0.06111.01 21.9 0.490Fluorene110 480 6,000<0.0842 <0.0865 <0.09192.39<0.0827Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.0842 <0.08650.260J3.950.0985J1-Methylnaphthalene0.11 18 73<0.1060 <0.1090 <0.11600.503<0.10502-Methylnaphthalene3.1 48 600<0.0879 <0.0904 <0.09600.709<0.08632-Methylphenol (o-cresol)6.5 630 8,200<0.1240 <0.1270 <0.1350 <0.1110 <0.12203&4-Methylphenol (m&p phenol)17 1,300 16,000<0.1610 <0.1650 <0.1760 <0.1440 <0.1580Naphthalene0.39 2.1 8.8<0.1000 <0.1030 <0.10900.947<0.0985PhenanthreneNE NE NE<0.0681 <0.07000.442J 15.6 0.166JPhenol0.34 3,800 49,000<0.1230 <0.1260 <0.1340 <0.1100 <0.1200Pyrene440 360 4,500<0.0693 <0.07130.699 10.2 0.406Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Former Caraustar Paper Storagehttps://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 7 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationNear Former Savona Mill BuildingSample ID2020-SB-02 2020-SB-02 DUP 2020-GW-02 SOIL 2020-SB-04Depth of Sample (ft bgs)0-2.5 0-2.5 5-10 2-2.5Sample Date8/13/2020 8/13/2020 10/1/2020 8/13/2020VOCs (8260)Acetone25 12,000 140,000<0.0430 <0.0420 <0.0496 <0.0392Benzene0.01 1.2 5.4<0.0041 <0.0040 <0.0047 <0.0037Bromomethane0.05 1.4 6.4<0.0091 <0.0089 <0.01050.0508Carbon Disulfide4.1 160 740NA NA NA NAEthylbenzene13 6.1 27<0.0054 <0.0053 <0.0062 <0.0049Isopropylbenzene (cumene)2.3 410 2,100<0.0036 <0.0036 <0.0042 <0.0033p-IsopropyltolueneNE NE NE<0.0032<0.00310.499<0.00294-Methyl-2-pentanone (MIBK)0.457,00030,000<0.0487<0.0476<0.0563<0.0444Methylene Chloride0.025586500.0818<0.00830.0878<0.0078Methyl tert butyl ether (MTBE)0.0949220<0.0037<0.0036<0.0043<0.0034Naphthalene0.392.18.8<0.0032<0.0032<0.0037<0.0030Tetrachloroethylene0.00631782<0.0029<0.0028<0.0033<0.0026Toluene8.39909,7000.0048J0.0036J<0.00380.0042J1,2,4-Trimethylbenzene1263370<0.0041<0.0040<0.0048<0.00381,3,5-Trimethylbenzene1156320<0.0034<0.0034<0.0040<0.0031m&p-Xylene9.8120500<0.0089<0.0086<0.0102<0.0081o-Xylene9.8140590<0.0033<0.0032<0.0038<0.0030Total Xylene9.9120530<0.0033<0.0032<0.0038<0.0030SVOCs (8270)Acenaphthene16 720 9,000<0.0983 <0.1020 <0.0993 NAAcenaphthyleneNE NE NE<0.0904 <0.0940 <0.0913 NAAnthracene1,300 3,600 45,000<0.0991 <0.1030 <0.1000 NABenzo(a)anthracene0.35 1.1 21<0.1220 <0.1260 <0.1230 NABenzo(a)pyrene0.12 0.11 2.1<0.1660 <0.1720 <0.1670 NABenzo(b)fluoranthene1.2 1.1 21<0.1540 <0.1600 <0.1560 NABenzo(k)fluoranthene12 11 210<0.1610 <0.1670 <0.1630 NABenzo(g,h,i)peryleneNE NE NE<0.1490 <0.1550 <0.1510 NAbis(2-Ethylhexyl)phthalate14 39 160<0.1250 <0.1300 <0.1260 NAChrysene36 110 2,100<0.1110 <0.1150 <0.1120 NADibenz(a,h)anthracene0.38 0.11 2.1<0.1530 <0.1590 <0.1540 NADibenzofuran10 16 230<0.0955 <0.0993 <0.0965 NA2,4-Dimethylphenol2.4 250 3,300<0.0952 <0.0990 <0.0961 NADi-n-butylphthalateNE NE NE<0.0942 <0.0980 <0.0952 NADi-n-octylphthalateNE NE NE<0.2180 <0.2260 <0.2200 NAFluoranthene670 480 6,000<0.1150 <0.1200 <0.1170 NAFluorene110 480 6,000<0.1020 <0.1060 <0.1030 NAIndeno(1,2,3-cd)pyrene3.9 1.1 21<0.1750 <0.1820 <0.1770 NA1-Methylnaphthalene0.11 18 73<0.1020 <0.1060 <0.1030 NA2-Methylnaphthalene3.1 48 600<0.0972 <0.1010 <0.0982 NA2-Methylphenol (o-cresol)6.5 630 8,200<0.0846 <0.0880 <0.0855 NA3&4-Methylphenol (m&p phenol)17 1,300 16,000<0.0961 <0.0999 <0.0971 NANaphthalene0.39 2.1 8.8<0.0915 <0.0951 <0.0924 NAPhenanthreneNE NE NE<0.0962 <0.1000 <0.0972 NAPhenol0.34 3,800 49,000<0.0912 <0.0949 <0.0922 NAPyrene440 360 4,500<0.1050 <0.1090 <0.1060 NANotes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Former Caraustar Paper Storage Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 8 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SB-03 2020-SB-05 2020-SB-06 2020-SB-09Depth of Sample (ft bgs)2.5-5 2-2.5 0-2.5 2.5-5Sample Date8/13/2020 8/13/2020 8/13/2020 8/13/2020VOCs (8260)Acetone25 12,000 140,000<0.0439 <0.0376 <0.0440 <0.397Benzene0.01 1.2 5.4<0.0042 <0.0036 <0.0042 <0.0038Bromomethane0.05 1.4 6.4<0.0093 <0.0079 <0.0093 <0.0084Carbon Disulfide4.1 160 740NA NA NA NAEthylbenzene13 6.1 27<0.0055 <0.0047 <0.0055 <0.0050Isopropylbenzene (cumene)2.3 410 2,100<0.0037 <0.0032 <0.0037 <0.0034p-IsopropyltolueneNE NE NE<0.0032<0.0028<0.0033<0.00294-Methyl-2-pentanone (MIBK)0.457,00030,000<0.0498<0.0426<0.0498<0.0450Methylene Chloride0.02558650<0.0087<0.0075<0.0087<0.0079Methyl tert butyl ether (MTBE)0.0949220<0.0038<0.0032<0.0038<0.0034Naphthalene0.392.18.8<0.0033<0.0028<0.00330.0034JTetrachloroethylene0.00631782<0.0029<0.0025<0.0029<0.0026Toluene8.39909,7000.0044J0.0043J0.0043J0.00571,2,4-Trimethylbenzene1263370<0.0042<0.0036<0.0042<0.00381,3,5-Trimethylbenzene1156320<0.0035<0.0030<0.0035<0.0032m&p-Xylene9.8120500<0.0090<0.0077<0.0091<0.0082o-Xylene9.8140590<0.0034<0.0029<0.0034<0.0030Total Xylene9.9120530<0.0034<0.0029<0.0034<0.0030SVOCs (8270)Acenaphthene16 720 9,000<0.1080 <0.0983 <0.1050 <0.0949AcenaphthyleneNE NE NE<0.0992 <0.0905 <0.0969 <0.0873Anthracene1,300 3,600 45,000<0.1090 <0.0992 <0.1060 <0.0956Benzo(a)anthracene0.35 1.1 21<0.1330 <0.1220 <0.1300 <0.117Benzo(a)pyrene0.12 0.11 2.1<0.1820 <0.1660 <0.1770 <0.160Benzo(b)fluoranthene1.2 1.1 21<0.1690 <0.1540 <0.1650 <0.149Benzo(k)fluoranthene12 11 210<0.1770 <0.1610 <0.1720 <0.155Benzo(g,h,i)peryleneNE NE NE<0.1640 <0.1490 <0.1600 <0.144bis(2-Ethylhexyl)phthalate14 39 160<0.1370 <0.1250 <0.1340 <0.121Chrysene36 110 2,100<0.1220 <0.1110 <0.1190 <0.107Dibenz(a,h)anthracene0.38 0.11 2.1<0.1680 <0.1530 <0.1640 <0.147Dibenzofuran10 16 230<0.1050 <0.0956 <0.1020 <0.9222,4-Dimethylphenol2.4 250 3,300<0.1040 <0.0952 <0.1020 <0.918Di-n-butylphthalateNE NE NE<0.1030 <0.0943 <0.1010 <0.910Di-n-octylphthalateNE NE NE<0.2390 <0.2180 <0.2330 <0.210Fluoranthene670 480 6,000<0.1270 <0.1150 <0.1240 <0.111Fluorene110 480 6,000<0.1120 <0.1020 <0.1100 <0.987Indeno(1,2,3-cd)pyrene3.9 1.1 21<0.1920 <0.1750 <0.1870 <0.1691-Methylnaphthalene0.11 18 73<0.1120 <0.1020 <0.1090 <0.09822-Methylnaphthalene3.1 48 600<0.1070 <0.0973 <0.1040 <0.09392-Methylphenol (o-cresol)6.5 630 8,200<0.0929 <0.0847 <0.0907 <0.08173&4-Methylphenol (m&p phenol)17 1,300 16,000<0.1050 <0.0961 <0.1030 <0.0927Naphthalene0.39 2.1 8.8<0.1000 <0.0915 <0.0980 <0.883PhenanthreneNE NE NE<0.1060 <0.0963 <0.1030 <0.0929Phenol0.34 3,800 49,000<0.1000 <0.0913 <0.0977 <0.880Pyrene440 360 4,500<0.1150 <0.1050 <0.1130 <0.101Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Parcels East of S. Turner Avenue Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 9 of 10)Hart & Hickman, PC
Table 1ASummary of Organic Constituent Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SB-07 2020-SB-08 2021-SB-01 2021-SB-02Depth of Sample (ft bgs)2-2.5 0-5 0-1 2-4Sample Date8/13/2020 10/1/2020 1/7/2021 1/7/2021VOCs (8260)Acetone25 12,000 140,000<0.0385 <0.06340.679<0.0523Benzene0.01 1.2 5.4<0.0036 <0.0060 <0.0046 <0.0032Bromomethane0.05 1.4 6.4<0.0081 <0.0065 <0.0181 <0.0129Carbon Disulfide4.1 160 740NA NA NA NAEthylbenzene13 6.1 27<0.0048 <0.00800.0277<0.0038Isopropylbenzene (cumene)2.3 410 2,100<0.0033 <0.00540.0493<0.0028p-IsopropyltolueneNE NE NE<0.0028 <0.00470.348<0.00404-Methyl-2-pentanone (MIBK)0.45 7,000 30,000<0.437 <0.07194.11<0.0079Methylene Chloride0.025 58 650<0.0077 <0.0126 <0.0314 <0.0223Methyl tert butyl ether (MTBE)0.09 49 220<0.0033 <0.0054 <0.0043 <0.0030Naphthalene0.39 2.1 8.80.0055<0.00480.4370.0172Tetrachloroethylene0.0063 17 82<0.0026 <0.00420.0173<0.0026Toluene8.3 990 9,7000.0088<0.00490.0173<0.00231,2,4-Trimethylbenzene12 63 370<0.0037 <0.00611.07<0.00221,3,5-Trimethylbenzene11 56 3200.0035J<0.00510.646<0.0027m&p-Xylene9.8 120 500<0.0079 <0.01310.152<0.0056o-Xylene9.8 140 5900.0038J<0.00480.132<0.0036Total Xylene9.9120530<0.0029<0.00480.284<0.0046SVOCs (8270)Acenaphthene16 720 9,000<0.952 <0.114 <1.210 <0.1040AcenaphthyleneNE NE NE<0.876 <0.105 <1.110 <0.0954Anthracene1,300 3,600 45,000<0.960 <0.115 <1.220 <0.1050Benzo(a)anthracene0.35 1.1 21<1.180 <0.141 <1.500 <0.1280Benzo(a)pyrene0.12 0.11 2.1<1.600 <0.193 <2.040 <0.1750Benzo(b)fluoranthene1.2 1.1 21<1.490 <0.179 <1.900 <0.1620Benzo(k)fluoranthene12 11 210<1.560 <0.187 <1.980 <0.1700Benzo(g,h,i)peryleneNE NE NE<1.450 <0.174 <1.840 <0.1580bis(2-Ethylhexyl)phthalate14 39 160<1.120 <0.14582.80.252JChrysene36 110 2,100<1.070 <0.129 <1.370 <0.1170Dibenz(a,h)anthracene0.38 0.11 2.1<1.480 <0.178 <1.880 <0.1610Dibenzofuran10 16 230<0.925 <0.111 <1.180 <0.10102,4-Dimethylphenol2.4 250 3,30034.1<0.111 <1.170 <0.1000Di-n-butylphthalateNE NE NE<0.913 <0.11013.8<0.0995Di-n-octylphthalateNE NE NE<2.110 <0.2537.47<0.2300Fluoranthene670 480 6,000<1.120 <0.134 <1.420 <0.1220Fluorene110 480 6,000<0.990 <0.119 <1.260 <0.1080Indeno(1,2,3-cd)pyrene3.9 1.1 21<1.690 <0.203 <2.150 <0.18401-Methylnaphthalene0.11 18 73<0.985 <0.118 <1.250 <0.10702-Methylnaphthalene3.1 48 600<0.942 <0.113 <1.040 <0.10302-Methylphenol (o-cresol)6.5 630 8,200104<0.985 <1.180 <0.08933&4-Methylphenol (m&p phenol)17 1,300 16,00059.4<0.112 <1.180 <0.1010Naphthalene0.39 2.1 8.8<0.886 <0.106 <1.130 <0.0965PhenanthreneNE NE NE<0.932 <0.112 <1.180 <0.1020Phenol0.34 3,800 49,00030.7<0.106 <1.120 <0.0963Pyrene440 360 4,500<1.020 <0.122 <1.290 <0.1110Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).Only compounds detected in at least one sample are shown in the table above. Concentrations are reported in milligrams per kilogram (mg/kg).Laboratory analytical methods and units are shown in parentheses.VOCs = volatile organic compounds; SVOCs = semi-volatile organic compounds; ft bgs = feet below ground surface; NE = not established; NA = not analyzed<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.Wikoff Color PropertyScreening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Undeveloped Area (NE Corner of Property)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1A (Page 10 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationDowngradient of Wikoff Color PropertyFormer Clarifier Area Former AST Area Former UST Area Former Boiler Room Former Aeration PondSample ID2016-SB-01 2016-SB-02 2016-SB-03 2016-SB-04 2016-SB-05 2016-SB-06Depth of Sample (ft bgs)4-5 0.5-5 2-5 4-5 4-5 2-5Sample DateRange Mean2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8<0.911.5<0.91 <0.67 <0.872.4Barium5803,10047,00050-1,00035614934316037.529.6244Cadmium3142001.0-104.3<0.0910.77<0.091<0.067<0.087<0.078Chromium (Total)*360,00023,000350,0007.0-300653.09.77.016.021.56.7Chromium VI3.80.316.5NENENANANANANANALead250400800BRL-50162.31413.23.45.938.2MercuryNE4.7700.03-0.52NS<0.00480.0160.0110.0150.0250.24Selenium2.1781,200<0.1-0.80.121<0.91<0.71<0.91<0.67<0.87<0.78Silver3.4781,200BRL-5.00.42<0.46<0.35<0.46<0.34<0.44<0.39Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzed< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)Screening Criteria J = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 1 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationFormer Textile Mill AreaFormer Machine ShopFormer Pump ManufacturingSample ID2016-SB-07 2016-SB-09 2016-SB-10Depth of Sample (ft bgs)2-4 2-5 2-5 0.5-2 2-5Sample DateRange Mean2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.818.02.0NA<1.1<1.1Barium5803,10047,00050-1,00035685.5141NA50.268.2Cadmium3142001.0-104.30.0909.1NA<0.11<0.11Chromium (Total)*360,00023,000350,0007.0-3006518.418.2NA38.818.5Chromium VI3.80.316.5NENENANANANANALead250400800BRL-501616.654.6NA36.67.2MercuryNE4.7700.03-0.52NS0.630.075NA0.0560.019Selenium2.1781,200<0.1-0.80.1211.4<0.92NA<1.1<1.1Silver3.4781,200BRL-5.00.42<0.30<0.46NA<0.54<0.55Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Former Bleach/Finishing Room2016-SB-08 / DUP-01-2252016Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 2 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-12 2016-SB-13Depth of Sample (ft bgs)0.5-2 0.5-2 4-5 0.5-2Sample DateRange Mean2/26/2016 2/26/2016 2/26/2016 2/26/2016RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8<0.75NA<0.71 <3.8Barium5803,10047,00050-1,00035629.3NA90.2128Cadmium3142001.0-104.3<0.075NA<0.071<0.38Chromium (Total)*360,00023,000350,0007.0-3006531.9NA13.440.0Chromium VI3.80.316.5NENENANANANALead250400800BRL-50166.0NA1.451.6MercuryNE4.7700.03-0.52NS0.011NA<0.00270.030Selenium2.1781,200<0.1-0.80.121<0.75NA<0.71<3.8Silver3.4781,200BRL-5.00.42<0.38NA<0.36<1.9Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)2016-SB-11 / DUP-02-02262016Diesel AST Area (Caraustar)Regional Background Metals in Soil (2)Main Mill Property https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 3 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-14 2016-SB-15 2016-SB-16 2016-SB-17 2016-SB-18Depth of Sample (ft bgs)0.5-2 0.5-2 2-4 4-5 4-5Sample DateRange Mean2/25/2016 2/25/2016 2/25/2016 2/25/2016 2/26/2016RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8 1.4<0.95 <4.3 <0.64 <5.8Barium5803,10047,00050-1,00035610788.584.729.0203Cadmium3142001.0-104.3<0.12<0.095<0.43<0.064<0.58Chromium (Total)*360,00023,000350,0007.0-3006521.712.524.134.314.9Chromium VI3.80.316.5NENENANANANANALead250400800BRL-501663.84.83.53.822.4MercuryNE4.7700.03-0.52NS0.0680.014<0.00520.0380.0080Selenium2.1781,200<0.1-0.80.121<1.2<0.95<4.3<0.64<5.8Silver3.4781,200BRL-5.00.42<0.59<0.48<2.2<0.32<2.9Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Main Mill Property Former Old Dominion Box Co.Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 4 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2016-SB-19 2016-SB-20 2016-SB-21 2016-SB-22 2016-SB-23Depth of Sample (ft bgs)1-2 2-5 2-5 2-5 4-5Sample DateRange Mean2/26/2016 2/25/2016 2/25/2016 2/25/2016 2/25/2016RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8<0.94 <1.119.8<1.0<0.70Barium5803,10047,00050-1,00035664.078511920718.6Cadmium3142001.0-104.3<0.094<0.11<0.080<0.10<0.070Chromium (Total)*360,00023,000350,0007.0-3006515.824.037.36.833.6Chromium VI3.80.316.5NENENANANANANALead250400800BRL-501610.47.124.93.28.3MercuryNE4.7700.03-0.52NS0.0120.150.0480.00770.013Selenium2.1781,200<0.1-0.80.121<0.94<1.11.5<1.00.81Silver3.4781,200BRL-5.00.42<0.47<0.53<0.40<0.50<0.35Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)Main Mill Property https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 5 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationFormer Clarifier AreaSouthern Portion of SiteOld Rail SpurFormer Bleaching/ Dyeing RoomFormer Mill WarehouseSample ID2016-SB-24 2016-SB-25 2016-SB-26 2016-SB-27 2020-SB-01Depth of Sample (ft bgs)2-4 4-5 2-4 0.5-2 0-2.5Sample DateRange Mean2/25/2016 2/25/2016 2/25/2016 2/25/2016 8/13/2020RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8<0.912.3<0.961.1 1.5Barium5803,10047,00050-1,00035698.315736.738.798.2Cadmium3142001.0-104.3<0.0910.59<0.096<0.0600.53Chromium (Total)*360,00023,000350,0007.0-3006528.621.71.28.755.4Chromium VI3.80.316.5NENENANANANA<0.321Lead250400800BRL-50163.81831.24.23.0MercuryNE4.7700.03-0.52NS0.0270.13<0.00450.0100.013Selenium2.1781,200<0.1-0.80.121<0.91<1.0<0.96<0.60<0.44Silver3.4781,200BRL-5.00.42<0.46<0.52<0.48<0.30<0.22Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 6 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2018-SB-01 2018-SB-02 2018-SB-03 2018-SB-04 2018-SB-05Depth of Sample (ft bgs)4-5 2-3 2-3 2-3 2-3Sample DateRange Mean3/23/2018 3/23/2018 3/23/2018 3/23/2018 3/23/2018RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8 1.8 3.6 6.2 2.5 4.1Barium5803,10047,00050-1,00035688.595.911264.187.3Cadmium3142001.0-104.3<0.0350.064J0.065J1.50.15Chromium (Total)*360,00023,000350,0007.0-300659.821.642.135.035.7Chromium VI3.80.316.5NENENANANANANALead250400800BRL-50166.18.49.352.545.1MercuryNE4.7700.03-0.52NS0.0049<0.0033<0.0017<0.00160.11Selenium2.1781,200<0.1-0.80.121<0.35<0.580.49J<0.29<0.50Silver3.4781,200BRL-5.00.42<0.17<0.29<0.211.4<0.25Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)Former Caraustar Paper Storage https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 7 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationNear Former Savona Mill BuildingSample ID2020-SB-02 2020-SB-02 DUP 2020-GW-02 SOIL 2020-SB-04Depth of Sample (ft bgs)0-2.5 0-2.5 5-10 2-2.5Sample DateRange Mean8/13/2020 8/13/2020 10/1/2020 8/13/2020RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8<0.41 <0.455.7NABarium5803,10047,00050-1,00035617119484.3NACadmium3142001.0-104.30.460.490.97NAChromium (Total)*360,00023,000350,0007.0-3006510.112.4115NAChromium VI3.80.316.5NENE<0.278<0.283<0.327NALead250400800BRL-50162.52.48.2NAMercuryNE4.7700.03-0.52NS0.0220.0100.040NASelenium2.1781,200<0.1-0.80.121<0.41<0.452.8NASilver3.4781,200BRL-5.00.42<0.21<0.220.83NANotes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Regional Background Metals in Soil (2)Former Caraustar Paper Storage Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 8 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SB-03 2020-SB-05 2020-SB-06 2020-SB-09Depth of Sample (ft bgs)2.5-5 2-2.5 0-2.5 2.5-5Sample DateRange Mean8/13/2020 8/13/2020 8/13/2020 8/13/2020RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8 1.0 1.3 1.3 0.56JBarium5803,10047,00050-1,00035668.571.489.873.4Cadmium3142001.0-104.30.420.420.330.36Chromium (Total)*360,00023,000350,0007.0-3006560.029.370.764.2Chromium VI3.80.316.5NENE<0.320<0.3091.19<0.315Lead250400800BRL-50164.95.47.25.4MercuryNE4.7700.03-0.52NS0.0400.0670.0290.028Selenium2.1781,200<0.1-0.80.121<0.51<0.42<0.47<0.42Silver3.4781,200BRL-5.00.42<0.26<0.21<0.23<0.21Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Parcels East of S. Turner AvenueScreening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 9 of 10)Hart & Hickman, PC
Table 1B Summary of Metals Soil Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SB-07 2020-SB-08 2021-SB-01 2021-SB-02Depth of Sample (ft bgs)2-2.5 0-5 0-1 2-4Sample DateRange Mean8/13/2020 10/1/2020 1/7/2021 1/7/2021RCRA Metals (6020/7471/7199)Arsenic5.8 0.68 3 1.0-18 4.8 2.1 6.41.6J<0.46Barium5803,10047,00050-1,00035665.458.03,33070.2Cadmium3142001.0-104.30.260.270.520.063JChromium (Total)*360,00023,000350,0007.0-3006516223.31,96070.8Chromium VI3.80.316.5NENE1.751.86NANALead250400800BRL-50163.66.08,9909.7MercuryNE4.7700.03-0.52NS0.00830.0110.0240.025Selenium2.1781,200<0.1-0.80.121<0.420.70J<0.542.0Silver3.4781,200BRL-5.00.42<0.21<0.200.78<0.23Notes:1) North Carolina Department of Environmental Quality (DEQ) Inactive Hazardous Sites Branch (IHSB) Preliminary Soil Remediation Goals (PSRGs) dated June 2021.2) Range and mean values of background metals for North Carolina soils taken from Elements in North American Soils by Dragun and Chekiri, 2005. Cd and Ag concentrations were taken from Southeastern and Conterminous U.S. Soils.Historical analytical data was generated by The Environmental Group of the Carolinas, Inc. (2005) and Terracon Consultants, Inc. (2016-2021).*Total chromium is compared to the trivalent chromium PSRGs.Concentrations are reported in milligrams per kilogram (mg/kg) Laboratory analytical methods and units are shown in parentheses.RCRA = Resource Conservation and Recovery Act; 'ft bgs = feet below ground surface; NE = not established; NA = not analyzedJ = Compound was detected above the method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.< = Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit as no method detection limits were available in laboratory reports.BOLD concentrations exceed their respective Protection of Groundwater PSRG.UNDERLINED concentrations exceed their respective Residential PSRG.GRAY SHADING indicates concentrations exceed their respective Non-Residential PSRG. Wikoff Color PropertyUndeveloped Area (NE Corner of Property)Screening Criteria Protection of Groundwater PSRG (1)Residential PSRG (1)Commercial / Industrial PSRG (1)Regional Background Metals in Soil (2)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 1 - Soil Data Table.xlsx3/4/2022Table 1B (Page 10 of 10)Hart & Hickman, PC
Table 2Summary of Groundwater Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR.001 Sample LocationDowngradient of Wikoff ColorFormer Clarifier AreaFormer AST Area Former UST AreaDowngradient of Savona Mill BuildingDowngradient of Former Paper Storage BuildingNorth of Savona Mill BuildingWikoff Color PropertySample ID2016-GW-01 2016-GW-02 2016-GW-03 2016-GW-04 2016-GW-05 2020-GW-02 2020-TW-03 2020-TW-03 DUP 2020-GW-04 2021-GW-01Sample Date2/26/2016 2/26/2016 2/26/2016 2/26/2016 2/26/2016 10/1/2020 8/14/2020 8/14/2020 10/1/2020 1/7/2021VOCs (8260)Naphthalene6 4.620<1.0 <1.016.9<1.0 <1.0<0.35 <0.35 <0.35 <0.35 <0.35Toluene600 3,80016,0001.8<1.0 <1.01.6 2.7<0.24 <0.24 <0.24 <0.24 <0.24p-IsopropyltolueneNE NENE<1.0 <1.0 <1.0 <1.0 <1.00.57 J<0.21 <0.21 <0.21 <0.21VPH (MADEP)------NANANANANANANANANANASVOCs (8270)------ALL BRLALL BRLALL BRLALL BRLALL BRLALL BRLALL BRLALL BRLALL BRLAll BRLRCRA Metals (6010/7196)Arsenic10 NE NENA NA NA NA NA <4.7 <4.75.3 J<4.7 <4.7Barium700 NE NENA NA NA NA NA25.8 19.4 18.5 33.0 232Cadmium2NENENA NA NA NA NA <0.40 <0.40 <0.40 <0.400.53 JChromium (Total)10 NE NENA NA NA NA NA72.8<3.7 <3.76.0414Chromium (VI)NE NE NENA NA NA NA NA <0.0060 <0.0060 <0.0060 <0.0060 NALead15 NE NENA NA NA NA NA7.2<4.5 <4.5 <4.514.4Notes:1) North Carolina Department of Environmental Quality (NCDEQ) 15A North Carolina Administrative Code 02L.0202 Groundwater Quality Standard (NC 2L Standard) dated April 20132) DEQ Division of Waste Management (DWM) Vapor Intrusion Groundwater Screening Levels (GWSLs) dated June 2021Concentrations are reported in micrograms per liter (μg/L).Only compounds detected in one or more sample are shown in the table above. Laboratory analytical methods and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2016-2021).Bolded values exceed the 2L Standard and Residential GWSL.VOCs = volatile organic compounds; VPH = volatile petroleum hydrocarbons; SVOCs = semi-volatile organic compounds; RCRA = Resource Conservation and Recovery Act; 'NE = not established; NA = not analyzed; -- = not applicable; BRL = below reporting limitsJ = compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in a laboratory estimated concentration.<= Analyte was not detected in the sample, and is reported to the method detection limit. Where italic font is used, concentrations are reported to the reporting limit.Parcel East of S. Turner AvenueNC 2L Standards(1)Residential GWSLs (2)Non-Residential GWSLs (2)Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 2 - GW Data Table.xlsx3/4/2022Table 2 (Page 1 of 1)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SV-01 2020-SV-02 2021-SV-11 2021-SV-11BSample Date8/19/2020 8/19/2020 1/11/2021 11/12/2021Sample Type (depth in ft bgs)Sub-Slab Sub-Slab Sub-Slab Sub-SlabVOCs (TO-15)Acetone220,0002,700,0005520130280Benzene12160163.61.4<0.771,3-Butadiene3.141<0.32<0.32<0.32<1.52-Butanone (MEK)35,000440,0008.8 J<2.06.2 J28 JCarbon Disulfide4,90061,000<1.6<1.64.8 J<7.9Carbon Tetrachloride16200751.3<0.33<1.9Chloroethane70,000880,000<0.52< 0.52<0.52<1.9Chloroform4.1534.7<0.24<0.242.3 JChloromethane6307,900<0.32<0.321.0<0.85Cyclohexane42,000530,000<0.34<0.342.5<2.31,3-DichlorobenzeneNENE<0.44<0.44<0.44<1.51,4-Dichlorobenzene8.5110<0.27<0.27<0.27<2.4Dichlorodifluoromethane (Freon 12)7008,800<0.31<0.312.72.8 J1,2-Dichloroethane3.647<0.30<0.30<0.30<1.5EthanolNENE15059190270Ethyl Acetate4906100<4.3<4.3<4.3<21Ethylbenzene374903.21.66.62.0 J4-EthyltolueneNENE<0.30<0.304.5160Heptane2,80035,0002.7<0.355.21.7 JHexane4,90061,0002.9 J<1.33.8 J<122-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46<2.1Isopropanol1,40018,0007225120150Methyl tert-Butyl Ether (MTBE)3604,700<0.29<0.29<0.29<1.4Methylene Chloride3,40053,000<1.6<1.626<8.04-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.43<0.43<2.1Naphthalene2.836126.8296.7PropeneNENE<1.2<1.22.2 J<5.8Styrene7,00088,0002.00.850.26 J<1.3Tetrachloroethylene2803500158.425160Tetrahydrofuran14,000180,000<1.5<1.5<1.5<7.3Toluene35,000440,000175.4135.81,1,1-Trichloroethane35,000440,000<0.36<0.361.3<2.5Trichloroethylene14180<0.40<0.40<0.40<2.0Trichlorofluoromethane (Freon 11)NENE1.6 J1.9 J1.1 J<2.21,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.2<2.71,2,4-Trimethylbenzene4205,300<0.223.36.02,8001,3,5-Trimethylbenzene4205,3001.00.87 J1.82,000Vinyl Chloride5.6280<0.29<0.29<0.29<1.0m&p-xylene7008,800136.41311o-Xylene7008,8004.32.34.8<1.2Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Residential SGSL(1)Non-Residential SGSL(1)Screening Criteria Savona Mill Buildinghttps://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 1 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SV-04 UnAdj.** 2020-SV-04 Adj.**Sample Date8/19/2020 8/19/2020 8/20/2020 8/19/2020Sample Type (depth in ft bgs)Sub-Slab* Sub-Slab* Sub-Slab Sub-SlabVOCs (TO-15)Acetone220,0002,700,0002402108,70011,869Benzene121602215<0.19NA1,3-Butadiene3.141128.1<0.32NA2-Butanone (MEK)35,000440,00077564257Carbon Disulfide4,90061,000<1.6<1.6<1.6NACarbon Tetrachloride16200<0.33<0.33<0.33NAChloroethane70,000880,000<0.52<0.52<0.52NAChloroform4.153<0.24<0.24<0.24NAChloromethane6307,900<0.32<0.32<0.32NACyclohexane42,000530,000<0.34<0.34<0.34NA1,3-DichlorobenzeneNENE<0.44<0.44<0.44NA1,4-Dichlorobenzene8.5110<0.27<0.27<0.27NADichlorodifluoromethane (Freon 12)7008,800<0.31<0.31<0.31NA1,2-Dichloroethane3.647<0.30<0.30<0.30NAEthanolNENE12091650887Ethyl Acetate4906100<4.3<4.3<4.3NAEthylbenzene374904.83.7<0.18NA4-EthyltolueneNENE3.92.8180246Heptane2,80035,0005.04.35.06.8Hexane4,90061,000<1.33353722-Hexanone (Methyl butyl ketone)21,000260,00041<0.46<0.46NAIsopropanol1,40018,000865912,00016,371Methyl tert-Butyl Ether (MTBE)3604,700<0.29<0.29<0.29NAMethylene Chloride3,40053,000<1.61932444-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.43<0.43NANaphthalene2.836423399135PropeneNENE<1.2<1.2<1.2NAStyrene7,00088,0005.33.6<0.24NATetrachloroethylene28035001.1 J<0.446994Tetrahydrofuran14,000180,000<1.5<1.5<1.5NAToluene35,000440,000221655751,1,1-Trichloroethane35,000440,000<0.36<0.36<0.36NATrichloroethylene14180<0.40<0.40<0.40NATrichlorofluoromethane (Freon 11)NENE<0.851.6 J<0.85NA1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.2NA1,2,4-Trimethylbenzene4205,30034265908051,3,5-Trimethylbenzene4205,3008.86.6690941Vinyl Chloride5.6280<0.29<0.29<0.29NAm&p-xylene7008,800119.5<0.30NAo-Xylene7008,8005.14.5<0.23NANotes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Underlined concentrations exceed their respective Non-Residential SGSL.*Per Terracon, a crawl space was discovered beneath the 2020-SV-03 and 2021-SV-12 sample locations so data is not representative of sub-slab conditions. Screening Criteria Residential SGSL(1)Non-Residential SGSL(1)Savona Mill Building 2020-SV-03* / DUP-01**Per Terracon, 2020-SV-04 did not pass the helium tracer test. During sampling, the helium concentration within the shroud was maintained at approximately 15% helium. 2020-SV-04 was analyzed for helium via EPA Method 3C and determined to have a concentration of 4% helium, indicating breakthrough of approximately 26.7%. Detected VOC concentrations were adjusted upward to account for introduction of ambient air into the sample, conservatively assuming that VOC compounds were not present within ambient air and therefore, assuming that the introduced air acted solely to dilute the detected concentrations within the sub-slab. Unadjusted concentrations are shown in the left column and adjusted concentrations in the right column. https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 2 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSavona Mill Building Sample ID2021-SV-12* 2021-SV-13 2021-SV-14Sample Date1/11/2021 1/11/2021 1/11/2021Sample Type (depth in ft bgs)Sub-Slab Sub-Slab Sub-SlabVOCs (TO-15)Acetone220,0002,700,0002517 J37Benzene121602.60.930.661,3-Butadiene3.141<0.32<0.32<0.322-Butanone (MEK)35,000440,0003.5 J2.4 J2.7 JCarbon Disulfide4,90061,000<1.6<1.62.7 JCarbon Tetrachloride162000.45 J1.5<0.33Chloroethane70,000880,000<0.52<0.52<0.52Chloroform4.1530.35 J<0.24<0.24Chloromethane6307,9000.63 J<0.320.50 JCyclohexane42,000530,0001.30.910.59 J1,3-DichlorobenzeneNENE<0.44<0.44<0.441,4-Dichlorobenzene8.5110<0.27<0.27<0.27Dichlorodifluoromethane (Freon 12)7008,8002.32.32.51,2-Dichloroethane3.647<0.30<0.30<0.30EthanolNENE5466210Ethyl Acetate4906100<4.3<4.3<4.3Ethylbenzene374903.73.02.14-EthyltolueneNENE3.13.52.8Heptane2,80035,0002.61.91.4Hexane4,90061,0003.4 J<1.3<1.32-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46Isopropanol1,40018,00013 J2939Methyl tert-Butyl Ether (MTBE)3604,700<0.29<0.29<0.29Methylene Chloride3,40053,000171.8 J3.9 J4-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.43<0.43Naphthalene2.836<0.59<0.59<0.59PropeneNENE6.2 J1.2 J2.4 JStyrene7,00088,000<0.24<0.24<0.24Tetrachloroethylene28035000.62 J0.52 J6.8Tetrahydrofuran14,000180,000<1.5<1.5<1.5Toluene35,000440,0001812161,1,1-Trichloroethane35,000440,000<0.36<0.360.63 JTrichloroethylene141800.84 J<0.40<0.40Trichlorofluoromethane (Freon 11)NENE1.3 J1.2 J1.2 J1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.21,2,4-Trimethylbenzene4205,3003.13.73.11,3,5-Trimethylbenzene4205,3000.81 J0.94 J0.87 JVinyl Chloride5.6280<0.29<0.29<0.29m&p-xylene7008,80012117.8o-Xylene7008,8004.74.02.8Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold Underlined concentrations exceed their respective Non-Residential SGSL.*Per Terracon, a crawl space was discovered beneath the 2020-SV-03 and 2021-SV-12 sample locations so data is not representative of sub-slab conditions. Screening Criteria Residential SGSL(1)Non-Residential SGSL(1)Wikoff Color Propertyhttps://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 3 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SV-09*** 2021-SV-09Sample Date8/13/2020 1/12/2021Sample Type (depth in ft bgs)Soil Gas (5.5-6') Soil Gas (7-8')VOCs (TO-15)Acetone220,0002,700,000<112902516 JBenzene12160682312101,3-Butadiene3.141<0.32<0.32<0.32<0.322-Butanone (MEK)35,000440,00015 J7.7 J3.9 J3.0 JCarbon Disulfide4,90061,00059194127Carbon Tetrachloride16200<0.33<0.330.38 J<0.33Chloroethane70,000880,0003.7<0.52<0.52<0.52Chloroform4.1531.72.81010Chloromethane6307,900<0.320.69 J0.61 J0.38 JCyclohexane42,000530,00017302.21.31,3-DichlorobenzeneNENE<0.44<0.44<0.44<0.441,4-Dichlorobenzene8.51100.77 J0.34 J<0.27<0.27Dichlorodifluoromethane (Freon 12)7008,800<0.311.22.22.21,2-Dichloroethane3.647<0.300.42 J<0.30<0.30EthanolNENE187.8 J7.4 J22Ethyl Acetate490610011<4.3<4.3<4.3Ethylbenzene37490718233354-EthyltolueneNENE1101504853Heptane2,80035,0001701605521Hexane4,90061,0003981288.1 J2-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46<0.46Isopropanol1,40018,0005.8 J<4.5<4.58.2 JMethyl tert-Butyl Ether (MTBE)3604,700<0.290.50 J<0.29<0.29Methylene Chloride3,40053,0008.515175.5 J4-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.43<0.43<0.43Naphthalene2.8363.51.3<0.593.9PropeneNENE<1.21,100330100Styrene7,00088,000140.850.60 J0.58 JTetrachloroethylene28035000.79 J116.15.5Tetrahydrofuran14,000180,000<1.5<1.5<1.5<1.5Toluene35,000440,0002004002502301,1,1-Trichloroethane35,000440,000<0.36<0.36<0.36<0.36Trichloroethylene141800.64 J<0.40<0.40<0.40Trichlorofluoromethane (Freon 11)NENE<0.85<0.851.1 J0.94 J1,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.2<1.21,2,4-Trimethylbenzene4205,30012014043491,3,5-Trimethylbenzene4205,30030391314Vinyl Chloride5.628011<0.29<0.29<0.29m&p-xylene7008,800240290110120o-Xylene7008,800941003538Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Underlined concentrations exceed their respective Non-Residential SGSL.***Per Terracon, helium concentration within shroud was maintained during sample, and sample also analyzed for helium via EPA Method 3C. Helium not detected above method detection limit.Screening Criteria Residential SGSL(1)Non-Residential SGSL(1)Proposed Residential Building Nos. 1 & 22021-SV-10 / 2021-DUP-011/12/2021Soil Gas (7-7.5')https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 4 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2021-SV-05 2021-SV-08 2020-SV-07 2020-SV-08Sample Date1/12/2021 1/12/2021 8/13/2020 8/13/2020Sample Type (depth in ft bgs)Soil Gas (7-7.5') Soil Gas (7-7.5') Soil Gas (4.5-5') Soil Gas (4.5-5')VOCs (TO-15)Acetone220,0002,700,000<11250180130Benzene121608.82148131,3-Butadiene3.141<0.32<0.32<0.3242-Butanone (MEK)35,000440,0002.0 J15 J4111 JCarbon Disulfide4,90061,0002051335.2 JCarbon Tetrachloride16200<0.33<0.332.229Chloroethane70,000880,000<0.52<0.521.2<0.52Chloroform4.1533.6131.71.8Chloromethane6307,9000.39 J0.44 J120.64 JCyclohexane42,000530,0000.45 J105.4211,3-DichlorobenzeneNENE<0.44<0.44<0.44<0.441,4-Dichlorobenzene8.51100.70 J0.51 J0.63 J0.29 JDichlorodifluoromethane (Freon 12)7008,8003.80.57 J11141,2-Dichloroethane3.647<0.30<0.30<0.30<0.30EthanolNENE4.8 J933026Ethyl Acetate4906100<4.3<4.35.4 J9.9Ethylbenzene374908611049434-EthyltolueneNENE1901908070Heptane2,80035,0009.7398128Hexane4,90061,0003.5 J24 J22 J26 J2-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46<0.46Isopropanol1,40018,000<4.5260267.6 JMethyl tert-Butyl Ether (MTBE)3604,7000.52 J0.82<0.290.29 JMethylene Chloride3,40053,00011152.9 J3.6 J4-Methyl-2-pentanone (MIBK)21,000260,0001.85.8<0.43<0.43Naphthalene2.8361.31.7165.8PropeneNENE2112020030Styrene7,00088,0000.901.2200.61 JTetrachloroethylene280350048151253Tetrahydrofuran14,000180,000<1.52.5 J<1.53.9 JToluene35,000440,0003605901501301,1,1-Trichloroethane35,000440,000<0.36<0.360.59 J11Trichloroethylene14180<0.40<0.40<0.401.9Trichlorofluoromethane (Freon 11)NENE21<0.853.3 J151,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.21.3 J2.2 J1,2,4-Trimethylbenzene4205,300210200100841,3,5-Trimethylbenzene4205,30052542526Vinyl Chloride5.6280<0.29<0.294.4<0.29m&p-xylene7008,800330390170160o-Xylene7008,8001201407170Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Underlined concentrations exceed their respective Non-Residential SGSL.Proposed Residential Building Nos. 3 & 4 Proposed Parking Deck / Parking Area Screening Criteria Non-Residential SGSL(1)Residential SGSL(1)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 5 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SV-05 2020-SV-06 2021-SV-04Sample Date10/8/2020 10/6/2020 1/11/2021Sample Type (depth in ft bgs)Soil Gas (6.5-7') Sub-Slab Soil Gas (6.5-7')VOCs (TO-15)Acetone220,0002,700,00017 J32620Benzene121600.45 J0.20 J161,3-Butadiene3.141<0.32<0.32<0.322-Butanone (MEK)35,000440,0002.8 J2.8 J56Carbon Disulfide4,90061,0008.5<1.62.6Carbon Tetrachloride16200<0.33<0.33<0.33Chloroethane70,000880,000<0.52<0.52<0.52Chloroform4.1530.84 J<0.241.1Chloromethane6307,900<0.32<0.3210Cyclohexane42,000530,000<0.34<0.34181,3-DichlorobenzeneNENE2614<0.441,4-Dichlorobenzene8.5110<0.27<0.270.65 JDichlorodifluoromethane (Freon 12)7008,800<0.31<0.31<0.311,2-Dichloroethane3.647<0.30<0.300.31 JEthanolNENE5.8 J22052Ethyl Acetate4906100<4.3<4.3<4.3Ethylbenzene374902.90.42 J494-EthyltolueneNENE1.3<0.30110Heptane2,80035,0002.8<0.3555Hexane4,90061,000<1.3<1.32002-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46Isopropanol1,40018,000<4.55615 JMethyl tert-Butyl Ether (MTBE)3604,700<0.29<0.291.4Methylene Chloride3,40053,000<1.6<1.65.9 J4-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.436.9Naphthalene2.836<0.590.99 J2.2PropeneNENE<1.2<1.2380Styrene7,00088,000<0.24<0.241.1Tetrachloroethylene28035001.65.15.1Tetrahydrofuran14,000180,000<1.5<1.511Toluene35,000440,0004.31.41701,1,1-Trichloroethane35,000440,000<0.36<0.36<0.36Trichloroethylene14180<0.40<0.40<0.40Trichlorofluoromethane (Freon 11)NENE1.2 J1.4 J<0.851,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.21,2,4-Trimethylbenzene4205,300<0.22<0.22991,3,5-Trimethylbenzene4205,3000.71<0.2625Vinyl Chloride5.6280<0.29<0.29<0.29m&p-xylene7008,800121.6 J150o-Xylene7008,8004.50.75 J86Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Residential SGSL.Underlined concentrations exceed their respective Non-Residential SGSL.Screening Criteria Residential SGSL(1)Non-Residential SGSL(1)Proposed Residential Building Nos. 5, 6, & 7 https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 6 of 7)Hart & Hickman, PC
Table 3Summary of Soil Gas Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2020-SV-10 2021-SV-01 2021-SV-02Sample Date10/6/2020 1/12/2021 1/11/2021Sample Type (depth in ft bgs)Sub-Slab Soil Gas (5-5.5') Soil Gas (6.5-7')VOCs (TO-15)Acetone220,0002,700,0002378<11Benzene12160<0.19114.41,3-Butadiene3.141<0.32<0.32<0.322-Butanone (MEK)35,000440,0003.3 J5.6 J<2.0Carbon Disulfide4,90061,000<1.64213Carbon Tetrachloride16200<0.330.60 J<0.33Chloroethane70,000880,000<0.52<0.52<0.52Chloroform4.1532.2180.84 JChloromethane6307,900<0.323.3<0.32Cyclohexane42,000530,000<0.348.31.01,3-DichlorobenzeneNENE4.1<0.44<0.441,4-Dichlorobenzene8.5110<0.270.53 J<0.27Dichlorodifluoromethane (Freon 12)7008,8001101.02.51,2-Dichloroethane3.647<0.304.0<0.30EthanolNENE27010 J26Ethyl Acetate4906100<4.3<4.3<4.3Ethylbenzene374900.23 J38284-EthyltolueneNENE<0.307248Heptane2,80035,000<0.357826Hexane4,90061,000<1.323 J5.9 J2-Hexanone (Methyl butyl ketone)21,000260,000<0.46<0.46<0.46Isopropanol1,40018,00041<4.5<4.5Methyl tert-Butyl Ether (MTBE)3604,700<0.290.29 J<0.29Methylene Chloride3,40053,000<1.6139.44-Methyl-2-pentanone (MIBK)21,000260,000<0.43<0.43<0.43Naphthalene2.836<0.592.9<0.59PropeneNENE<1.218012 JStyrene7,00088,000<0.240.6 J<0.24Tetrachloroethylene28035004.55.74.1Tetrahydrofuran14,000180,000<1.51.7 J<1.5Toluene35,000440,0000.63 J2401201,1,1-Trichloroethane35,000440,000<0.36<0.36<0.36Trichloroethylene14180<0.40<0.40<0.40Trichlorofluoromethane (Freon 11)NENE1.2 J1.1 J381,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)35,000440,000<1.2<1.2<1.21,2,4-Trimethylbenzene4205,300<0.2285551,3,5-Trimethylbenzene4205,300<0.262114Vinyl Chloride5.6280<0.29<0.29<0.29m&p-xylene7008,8000.89 J140110o-Xylene7008,8000.36 J5341Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Sub-Slab & Exterior Soil Gas Screening Levels (SGSLs) dated June 2021.Concentrations are reported in micrograms per cubic meter (μg/m3).Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method and units are shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2020-2021).VOCs = volatile organic compounds; NA = not applicable; NE= not established; < = less than laboratory method detection limits; ft bgs = feet below ground surface J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Bold concentrations exceed their respective Residential SGSL.Underlined concentrations exceed their respective Non-Residential SGSL.Residential SGSL(1)Non-Residential SGSL(1)Proposed Residential Building Nos. 8 & 9Screening Criteria https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 3 - Soil Vapor Data Table.xlsx3/4/2022Table 3 (Page 7 of 7)Hart & Hickman, PC
Table 4Summary of Indoor Air Analytical DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001LocationSample ID2021-IA-012021-IA-02Sample Date11/11/202111/11/2021Sample TypeIndoor AirIndoor AirVOCs (TO-15)Acetone6,500 27,000 98 190Benzene0.36 1.61.81.92-Butanone (MEK)1,000 4,400 2.9 J 4.3Carbon Tetrachloride0.47 2.0 0.43 0.44Chloroform0.12 0.530.25 0.32Chloromethane19 79 0.97 1.0Cyclohexane1,300 5,300 1.0 1.01,4-Dichlorobenzene0.26 1.10.32 0.57Dichlorodifluoromethane (Freon 12)21 88 2.4 2.41,2-Dichloro-1,1,2,2-tetrafluoroethane (Freon 114)NE NE 0.13 J 0.13 JEthanolNE NE 20 25Ethyl Acetate15 61 1.3 2.1Ethylbenzene1.1 4.91.5 1.34-EthyltolueneNE NE 0.40 0.57Heptane83 350 3.5 36Hexane150 610 12 11Isopropanol42 180 2.5 J 5.9Methylene Chloride100 530 1.5 0.71 JNaphthalene0.083 0.360.610.55Styrene210 880 0.54 0.77Tetrachloroethylene8.3 35 1.2 1.6Tetrahydrofuran420 1,800 0.52 J<0.25Toluene1,000 4,400 7.9 7.01,1,1-Trichloroethane1,000 4,400 0.18 J<0.088Trichloroethylene0.42 1.8<0.0690.079 JTrichlorofluoromethane (Freon 11)NE NE 1.3 1.31,1,2-Trichloro-1,2,2-trifluoroethane (Freon 113)1,000 4,400 0.61 J 0.49 J1,2,4-Trimethylbenzene13 53 1.9 2.51,3,5-Trimethylbenzene13 53 0.46 0.77m&p-xylene21 88 3.5 4.1o-Xylene21 882.0 1.8Notes:1) North Carolina Department of Environmental Quality (DEQ) Division of Waste Management (DWM) Vapor Intrusion Indoor Air Screening Levels (IASLs) (June 2021).Concentrations are reported in micrograms per cubic meter (μg/m3) unless otherwise noted.Only compounds detected in one or more sample are shown in the table above.Laboratory analytical method is shown in parentheses.Historical analytical data was generated by Terracon Consultants, Inc. (2021).VOCs = volatile organic compounds; NE= not established; < = less than laboratory method detection limitsBOLD concentrations exceed their respective Residential IASL.UNDERLINED concentrations exceed their respective Non-Residential IASL.J = Compound was detected above the laboratory method detection limit but below the laboratory reporting limit, resulting in an estimated concentration.Northern End of Savona Mill BuildingScreening Criteria Residential IASL(1)Non-Residential IASL(1)https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 4 - IA Data Table.xlsx2/26/2022Table 4 (Page 1 of 1)Hart & Hickman, PC
Table 5Summary of Methane DataCaraustar & Savona MillsCharlotte, North CarolinaH&H Job No. POR-001Sample ID DateTimeStatic Pressure (in wc)TimeMethane Concentration (%)Carbon DioxideConcentration (%)OxygenConcentration (%)Barometric Pressure (in Hg)7/21/2021 10230.0210260.00.014.729.287/22/2021 10410.0110450.00.013.229.357/21/2021 10330.0310350.05.38.529.287/22/2021 11000.0311040.05.38.629.357/21/2021 10410.0410440.03.511.929.287/22/2021 1121-0.0111250.03.511.829.357/21/2021 0938-0.0109420.00.45.329.287/22/2021 1001-0.0110050.01.16.729.357/21/2021 1050-0.0110550.09.89.529.287/22/2021 11450.0211490.09.79.529.357/21/2021 1100-0.0311040.00.111.129.287/22/2021 1159-0.0112030.03.29.929.357/21/2021 10070.0210110.00.014.929.287/22/2021 10210.0110250.02.114.729.357/21/2021 09260.0209310.08.212.029.287/22/2021 09550.0309590.07.812.829.357/21/2021 09550.0210000.03.915.129.287/22/2021 10090.0210130.03.114.929.35Notes:2021-SV-01A2021-SV-02A2021-SV-032021-SV-042021-SV-05% = percent; in Hg = inches of mercury; in wc = inch of water2021-SV-062021-SV-08A2021-SV-09A2021-SV-10AData collected by SCS Engineers P.C. (SCS) in 2021. Per SCS, 2021-SV-07A could not be installed due to collapsing soils.https://harthick.sharepoint.com/sites/MasterFiles-1/Shared Documents/AAA-Master Projects/Portman Holdings/Caraustar & Savona Mill/Tables/Table 5 - Soil Gas Methane Table_HHM.xlsx2/26/2022Table 5 (Page 1 of 1)Hart & Hickman, PC
Table 6Proposed Sample Summary TableCaraustar and Savona Mills South Turner Avenue Charlotte, North Carolina H&H Project No. POR-001HH-SB-01 and HH-SB-02Soil Evaluate Soil Conditions Adjacent to Daycare Facility 20-22VOCs (8260), SVOCs (8270), RCRA metals (6020/7471), and hexavalent chromium (7199) 0-11TCLP RCRA metals (6010/7471) and hexavalent chromium (7199)TBD1RCRA metals (6020/7471), TCLP RCRA metals (6010/7471), and hexavalent chromium (7199)HH-SB-04 through HH-SB-10Soil Evaluate Lateral Extent of Soil Impacts at Wikoff Color Property 5TBD7RCRA metals (6020/7471), TCLP RCRA metals (6010/7471), and hexavalent chromium (7199)HH-SSV-01 through HH-SSV-07Sub-Slab Soil Gas Evaluate Potential VI Risks7VOCs (TO-15), differential pressure, and Methane, CO2, and O2 (Field Meter)HH-SG-01 and HH-SG-02 Exterior Soil Gas Evaluate Potential VI Risks 5.5 5-5.5 2 VOCs (TO-15)HH-SB-DUP Soil 2 0-2 1VOCs (8260), SVOCs (8270), RCRA metals (6020/7471), and hexavalent chromium (7199)SSV-DUP Sub-Slab Soil Vapor 1 VOCs (TO-15) Notes:EPA method number follows the laboratory parameter in parenthesis. VOCs = volatile organic compounds; SVOCs = Semi-Volatile Organic Compounds; RCRA = Resource Conservation Recovery Actft = Feet; QA/QC = Quality Assurance/ Quality Control; VI = Vapor Intrusion; TBD = To Be DeterminedSample IDsApproximate Boring Depth (ft)Number of SamplesBelow slabHH-SB-03Laboratory AnalysisSample ObjectiveSample TypeApproximate Sample Depth (ft)QA/QCBelow slabSoil Evaluate Vertical Extent of Soil Impacts at Former Soil Boring 2021-SB-015https://harthick.sharepoint.com/sites/MasterFiles‐1/Shared Documents/AAA‐Master Projects/Portman Holdings/Caraustar & Savona Mill/Additional Brownfields Assessment/Work Plan/Sample Summary Table.xlsxTable 6 (Page 1 of 1)Hart & Hickman, PC
01675-001/00368845
Figures
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 2
CARAUSTA AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
SITE MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL BOUNDARY
SURFACE WATER FEATURE
PROPOSED RESIDENTIAL BUILDING -
FIRST PHASE
PROPOSED RESIDENTIAL BUILDING -
SECOND PHASE
PROPOSED PARKING DECK
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
NOTES:
1. AERIAL IMAGERY AND PARCEL DATA OBTAINED FROM
MECKLENBURG COUNTY GIS (2022).
2. PIN = PARCEL IDENTIFICATION NUMBER
AST = ABOVEGROUND STORAGE TANK
WIKOFF
COLOR
FORMER OLD
DOMINION BOX CO.
FORMER INK
MANUFACTURING
FACILITY
FORMER
WAREHOUSE
FORMER
AERATION
BASIN
BLUE
BLAZE
BREWING
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)
FORMER CARAUSTAR WAREHOUSE
(PAPERBOARD PROCESSING)
FORMER CARAUSTAR WAREHOUSE
(PAPER STORAGE BUILDING)
SCRAP PAPER STORAGE
FORMER PULP MILL
FORMER CLARIFIERS
FORMER BOILER ROOM
FORMER AST AREA
FORMER UST
AREA (REMOVED)
FORMER FINISHING ROTARY
DRY AREA, AND MACHINE SHOP
RES.07
RES.08
RES.09
RES.01
RES.02
RES.05
RES.06
RES.04
RES.03
PIN: 07111412
PIN: 07111410
PIN: 07111410
PIN: 07111417
PIN: 07110552
PIN: 07110551
PIN: 07110501
PIN: 07110503
PIN: 07111209
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AND MACHINE SHOP
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FACILITY
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BUILDING)
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)COXE AVENUE
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 3
CARAUSTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
SAMPLE LOCATION MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL LINE
GROUNDWATER SAMPLE LOCATION
CO-LOCATED SOIL SAMPLE AND
GROUNDWATER SAMPLE LOCATION
SOIL SAMPLE LOCATION
SUB-SLAB GAS AND SOIL GAS SAMPLE
LOCATION
INDOOR AIR SAMPLE LOCATION
NOTES:
1. AERIAL IMAGERY AND BASE DATA OBTAINED FROM
MECKLENBURG COUNTY GIS, 2022.
2. SAMPLE LOCATIONS ESTIMATED BASED ON HISTORICAL
INFORMATION PROVIDED BY OTHERS.
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
2021-GW-01/SB-01
2016-GW-01
2020-GW-02
2016-GW-04/SB-04
2020-GW-04
2016-GW-03/SB-03
2016-GW-02/SB-02
2016-GW-05
2020-TW-03/SB-03
2016-SB-13
2016-SB-12
2016-SB-11
2020-SB-09
2020-SB-05
2020-SB-06
2020-SB-01
2016-SB-27
2016-SB-26
2016-SB-07
2016-SB-05
2016-SB-25
2016-SB-09
2016-SB-06
2016-SB-08
2016-SB-10
2016-SB-22
2016-SB-21
2016-SB-20
2016-SB-24
2020-SB-04
2016-SB-23
2016-SB-17
2016-SB-18
2020-SB-08
2016-SB-16
2016-SB-15
2016-SB-01
2021-SB-022018-SB-01
2018-SB-03 2018-SB-02
2020-SB-022018-SB-04
2018-SB-05
2016-SB-19
2020-SB-07
2021-SV-01
2020-SV-10
2021-SV-02
2021-SV-13 2021-SV-14
2020-SV-052021-SV-04
2020-SV-06
2020-SV-09
2021-SV-10
2021-SV-09
2021-SV-11/
2021-SV-11B
2020-SV-04
2021-SV-08
2021-SV-05
2020-SV-08
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2020-SV-022020-SV-07
2020-SV-01
2021-IA-02
2021-IA-01
2016-SB-14
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\SITE MAP-Update.dwg, FIG 3, 4/22/2022 10:48:20 AM, SVincent
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WAREHOUSE
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PROCESSING)
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AREA
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PULP MILL
FORMER
CLARIFIERS FORMER FINISHING,
ROTARY DRY AREA,
AND MACHINE SHOP
FORMER
INK
MANUFACTURING
FACILITY
FORMER
WAREHOUSE
FORMER
AERATION
BASIN
FORMER
BOILER ROOM
FORMER
AST AREA S. TURNER AVENUESTATE STREET
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WAREHOUSE
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BUILDING)
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)COXE AVENUE
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 4
CARAUSTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
SOIL SAMPLE LOCATION MAP
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
2016-SB-13
2016-SB-12
2016-SB-28
2016-SB-11
2020-SB-09
2020-SB-05
2020-SB-06
2020-SB-01
2016-SB-27
2016-SB-26
2016-SB-07
2016-SB-05
2016-SB-25
2016-SB-09
2016-SB-06
2016-SB-08
2016-SB-10
2016-SB-22
2016-SB-21
2016-SB-20
2016-SB-24
2020-SB-04
2016-SB-23
2016-SB-17
2016-SB-18
2020-SB-08
2016-SB-16
2016-SB-15
2016-SB-01
2021-SB-022018-SB-01
2018-SB-02
2020-SB-022018-SB-04
2018-SB-05
2016-SB-19
2020-SB-07
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL LINE
CO-LOCATED SOIL SAMPLE AND
GROUNDWATER SAMPLE LOCATION
SOIL SAMPLE LOCATION
NOTES:
1. AERIAL IMAGERY AND BASE DATA OBTAINED FROM
MECKLENBURG COUNTY GIS, 2022.
2. SAMPLE LOCATIONS ESTIMATED BASED ON HISTORICAL
INFORMATION PROVIDED BY OTHERS.
2021-GW-01/SB-01
2016-GW-04/SB-04
2016-GW-03/SB-03
2016-GW-02/SB-02
2020-TW-03/SB-03
2018-SB-032016-SB-14
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\SITE MAP-Update.dwg, FIG 4, 4/22/2022 10:48:22 AM, SVincent
FORMER
CARAUSTAR
WAREHOUSE
(PAPERBOARD
PROCESSING)
WIKOFF
COLOR
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DOMINION BOX CO.
SCRAP PAPER
STORAGE
FORMER UST
AREA
(REMOVED)FORMER
PULP MILL
FORMER
CLARIFIERS FORMER FINISHING,
ROTARY DRY AREA,
AND MACHINE SHOP
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INK
MANUFACTURING
FACILITY
FORMER
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AERATION
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FORMER
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FORMER
AST AREA S. TURNER AVENUESTATE STREET
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FORMER
CARAUSTAR
WAREHOUSE
(PAPER STORAGE
BUILDING)
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)COXE AVENUE
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 5
CARAUSTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
GROUNDWATER SAMPLE LOCATION MAP
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
2016-GW-01
2020-GW-02
2020-GW-04
2016-GW-05
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL LINE
GROUNDWATER SAMPLE LOCATION
CO-LOCATED SOIL SAMPLE AND
GROUNDWATER SAMPLE LOCATION
NOTES:
1. AERIAL IMAGERY AND BASE DATA OBTAINED FROM
MECKLENBURG COUNTY GIS, 2022.
2. SAMPLE LOCATIONS ESTIMATED BASED ON HISTORICAL
INFORMATION PROVIDED BY OTHERS.
2021-GW-01/SB-01
2016-GW-04/SB-04
2016-GW-03/SB-03
2016-GW-02/SB-02
2020-TW-03/SB-03
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\SITE MAP-Update.dwg, FIG 5, 4/22/2022 10:48:24 AM, SVincent
FORMER
CARAUSTAR
WAREHOUSE
(PAPERBOARD
PROCESSING)
WIKOFF
COLOR
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DOMINION BOX CO.
SCRAP PAPER
STORAGE
FORMER UST
AREA
(REMOVED)FORMER
PULP MILL
FORMER
CLARIFIERS FORMER FINISHING,
ROTARY DRY AREA,
AND MACHINE SHOP
FORMER
INK
MANUFACTURING
FACILITY
FORMER
WAREHOUSE
FORMER
AERATION
BASIN
FORMER
BOILER ROOM
FORMER
AST AREA S. TURNER AVENUESTATE STREET
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BLAZE
BREWING
FORMER
CARAUSTAR
WAREHOUSE
(PAPER STORAGE
BUILDING)
SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)COXE AVENUE
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 6
CARAUSTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
SUB-SLAB GAS AND SOIL GAS
SAMPLE LOCATION MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL LINE
PROPOSED BUILDING OUTLINE
PROPOSED PARKING DECK
SUB-SLAB GAS AND SOIL GAS SAMPLE
LOCATION
APPROXIMATE EXTENT OF BASEMENT
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
2021-SV-01
2020-SV-10
2021-SV-02
2021-SV-13 2021-SV-14
2020-SV-052021-SV-04
2020-SV-06
2020-SV-09
2021-SV-10
2021-SV-09
2021-SV-11/
2021-SV-11B 2020-SV-04
2021-SV-08
2021-SV-05
2020-SV-08
2020-SV-03 2021-SV-12
2020-SV-022020-SV-07
2020-SV-01
NOTES:
1. AERIAL IMAGERY AND BASE DATA OBTAINED FROM
MECKLENBURG COUNTY GIS, 2022.
2. SAMPLE LOCATIONS ESTIMATED BASED ON HISTORICAL
INFORMATION PROVIDED BY OTHERS.
BASEMENT LEVEL
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\SITE MAP-Update.dwg, FIG 6 (2), 4/22/2022 10:48:17 AM, SVincent
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PROCESSING)
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STORAGE
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ROTARY DRY AREA,
AND MACHINE SHOP
FORMER
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MANUFACTURING
FACILITY
FORMER
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BASIN
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FORMER
AST AREA S. TURNER AVENUESTATE STREET
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SAVONA MILLS
BUILDING
(FORMER
SPINNING MILL)COXE AVENUE
REVISION NO. 0
JOB NO. POR-001
DATE: 4-22-22
FIGURE NO. 7
CARAUSTAR AND SAVONA MILLS
SOUTH TURNER AVENUE
CHARLOTTE, NORTH CAROLINA
INDOOR AIR SAMPLE LOCATION MAP
LEGEND
BROWNFIELDS PROPERTY BOUNDARY
PARCEL LINE
INDOOR AIR SAMPLE LOCATION
2923 South Tryon Street-Suite 100Charlotte, North Carolina 28203704-586-0007(p) 704-586-0373(f)License # C-1269 / #C-245 Geology
2021-IA-02
2021-IA-01
NOTES:
1. AERIAL IMAGERY AND BASE DATA OBTAINED FROM
MECKLENBURG COUNTY GIS, 2022.
2. SAMPLE LOCATIONS ESTIMATED BASED ON HISTORICAL
INFORMATION PROVIDED BY OTHERS.S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\Figures\SITE MAP-Update.dwg, FIG 7, 4/22/2022 10:48:28 AM, SVincent

Attachment B

Vapor Intrusion Mitigation Design Drawings
Sheets VM-1A, VM-1B, VM-2, VM-3A, VM-3B, VM-4, VM-5, VM-5A, and VM-6
E-B1-1
E-B1-2
E-B1-3
E-B1-4
E-B1-5
E-B1-6MP-B1-1
MP-B1-2
MP-B1-3
MP-B1-4
MP-B1-5
MP-B1-6
MP-B1-7
STAIR 1
STAIR 2
STAIR 3
ELEV 1 ELEV 2
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-1A
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
BUILDING NO. 1
BASEMENT
16
VM-5A
10
VM-5
10
VM-5
4
VM-5
3
VM-5
1
VM-5
2
VM-5
14
VM-5A
LEGEND
STEEL COLUMN AND FOOTER
THICKENED SLAB
OUTDOOR OR OPEN AIR SPACE
EXTENT OF VAPOR BARRIER
HORIZONTAL COLLECTION PIPING OR SOIL GAS COLLECTOR MAT
3" DIA SCH 40 SOLID PVC PIPE
3" DIA SCH 40 SOLID PVC VERTICAL RISER WITH EXHAUST IDENTIFICATION NUMBER
2" DIA SOLID PVC PRESSURE MONITORING POINTMP-A1
E-B3-8
17
VM-5A
2" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
3" SCH 40 PVC 90
DEGREE ELBOW,
TYP.3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
3" SCH 40 PVC 45
DEGREE ELBOW,
TYP.
3" SCH 40 PVC
TEE, TYP.
12
VM-5A
12
VM-5A
6
VM-5
LEVEL 1
SLAB-ON-GRADE
AREA (SEE VM-1B)
22/23
VM-5A
22/23
VM-5A
22/23
VM-5A
8
VM-5
8
VM-5
8
VM-5
8
VM-5
SHIFT RISER PIPE FROM
UTILITY CHASE TO HVAC
CORRIDOR ON ROOF
PER DETAIL 11/VM-5
22/23
VM-5A
22/23
VM-5A
22/23
VM-5A
LEVEL 1
SLAB-ON-GRADE
AREA (SEE VM-1B)
18
VM-5A
19
VM-5A
19
VM-5A
19
VM-5A
19
VM-5A
18
VM-5A
3" SCH 40 PVC
CONNECTOR PIPE
14
VM-5A
18
VM-5A
THE DEPICTED GROUND FLOOR LAYOUT IS BASED ON THE
STRUCTURAL 85% CONSTRUCTION DOCUMENT SET DATED
MARCH 11, 2022 OBTAINED FROM J DAVIS ARCHITECTS.
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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DN
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2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
6$92N$0,//5(6,D(N7,$/6287+785N(5$9(N8(&+$5/277(N257+&$52/,N$%52:N),(/D6352-(&7N2D(9(/23(5
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07/26/22
REVISIONS
REV DATE DESCRIPTION
N&D(468%0,66,2N
5(9,6,2N68%0,66,2N
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\VIMS\Figures\VIMS Design_R1.dwg, 7/27/2022 10:17:10 AM, DWG To PDF.pc3
0'-0"
1.1
1.3
+1'-6"
1.1
+'3-0"
1.1
+4'-6"
1.1
1.3
2'-6" WIDE x12"
THICKENED SLAB
REINF W/ (3) #5 CONT
& #3 @ 36" OC SHORT
(TYP TENANT SEP.
WALL FTG)
E-B2-1 E-B2-2
MP-B2-1
MP-B2-2
MP-B2-3
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-2
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
BUILDING NO. 2
LEVEL 1
10
VM-5
10
VM-5
19A
VM-5A
19A
VM-5A
4
VM-5 3
VM-5
2
VM-5
1
VM-5
16
VM-5A
LEGEND
THICKENED SLAB
OUTDOOR OR OPEN AIR SPACE
EXTENT OF VAPOR BARRIER
HORIZONTAL COLLECTION PIPING OR SOIL GAS COLLECTOR MAT
3" DIA SCH 40 SOLID PVC PIPE
3" DIA SCH 40 SOLID PVC VERTICAL RISER WITH EXHAUST IDENTIFICATION NUMBER
2" DIA SOLID PVC PRESSURE MONITORING POINTMP-A1
E-B3-8
3" SCH 40 PVC
TEE, TYP.
3" SCH 40 PVC 45
DEGREE ELBOW,
TYP.
3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
THE DEPICTED GROUND FLOOR LAYOUT IS BASED ON THE
STRUCTURAL 85% CONSTRUCTION DOCUMENT SET DATED
MARCH 11, 2022 OBTAINED FROM J DAVIS ARCHITECTS.
19A
VM-5A
22
VM-5A
22
VM-5A
5
VM-5
5
VM-5
5
VM-5
POSITION 3" SCH 40 PVC RISER WITHIN
BATHROOM WALL/CHASE ON LEVEL 2
AND 3, AND WASHER/DRYER WALL ON
LEVEL 4. SEE DETAIL 11/VM-5.
POSITION 3" SCH 40 PVC RISER WITHIN
BATHROOM WALL/CHASE ON LEVEL 2
AND 3, AND WASHER/DRYER WALL ON
LEVEL 4. SEE DETAIL 11/VM-5.
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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UP
UP
ELEV. 1
M/E
TELCO
ELEC. / M.
SPRINKLER
RISER
CLUBROOM
FITNESS
PARCEL
LEASING
POOL EQUIP.
MAIL ROOM
BREAKROOM
WORKSHOP
AV
TELCO
1
S4.3.01
E-B3-6
E-B3-5
E-B3-4
E-B3-3
E-B3-1
E-B3-2
MP-B3-2
MP-B3-1
MP-B3-3
MP-B3-4
MP-B3-5
MP-B3-6
TREEHOUSE
MP-B3-7
STAIR 1
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-3A
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
BUILDING NO. 3
LEVEL 1
LEVEL 2
SLAB-ON-GRADE
AREA (SEE VM-3B)
4
VM-5
3
VM-5
9
VM-5
14
VM-5A
16
VM-5A
19
VM-5A
2
VM-5
1
VM-5
8
VM-5
17
VM-5A
3" SCH 40 PVC
TEE, TYP.
3" SCH 40 PVC 45
DEGREE ELBOW,
TYP.
3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
12
VM-5A
6
VM-5
7
VM-5
LEGEND
STEEL COLUMN AND FOOTER
THICKENED SLAB
OUTDOOR OR OPEN AIR SPACE
EXTENT OF VAPOR BARRIER
HORIZONTAL COLLECTION PIPING OR SOIL GAS COLLECTOR MAT
3" DIA SCH 40 SOLID PVC PIPE
3" DIA SCH 40 SOLID PVC VERTICAL RISER WITH EXHAUST IDENTIFICATION NUMBER
2" DIA SOLID PVC PRESSURE MONITORING POINTMP-A1
E-B3-8
THE DEPICTED GROUND FLOOR LAYOUT IS BASED ON THE
STRUCTURAL 85% CONSTRUCTION DOCUMENT SET DATED
MARCH 11, 2022 OBTAINED FROM J DAVIS ARCHITECTS.
INSTALL VAPOR
BARRIER BELOW
1
VM-5
9
VM-5
19A
VM-5A
19
VM-5A
18
VM-5A
18
VM-5A
4
VM-5
22/23
VM-5A
22
VM-5A
8
VM-5
22/23
VM-5A
8
VM-5
22/23
VM-5A
18
VM-5A
17
VM-5A
22/23
VM-5A
7
VM-5
6
VM-5
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\VIMS\Figures\VIMS Design_R1.dwg, 7/27/2022 10:25:01 AM, DWG To PDF.pc3
2
S4.3.01
E-B3-8
E-B3-7
MP-B3-8
MP-B3-7 MP-B3-9
STAIR 2
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-3B
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
BUILDING RES.03
LEVEL 2
LEVEL 1
SLAB-ON-GRADE
AREA (SEE VM-3A)
8
VM-5
9
VM-5
14
VM-5A 18
VM-5A
19A
VM-5A
2
VM-5
1
VM-5
17
VM-5A
3" SCH 40 PVC
TEE, TYP.
3" SCH 40 PVC 45
DEGREE ELBOW,
TYP.
3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
LEGEND
STEEL COLUMN AND FOOTER
THICKENED SLAB
OUTDOOR OR OPEN AIR SPACE
EXTENT OF VAPOR BARRIER
HORIZONTAL COLLECTION PIPING OR SOIL GAS COLLECTOR MAT
3" DIA SCH 40 SOLID PVC PIPE
3" DIA SCH 40 SOLID PVC VERTICAL RISER WITH EXHAUST IDENTIFICATION NUMBER
2" DIA SOLID PVC PRESSURE MONITORING POINTMP-A1
E-B3-8
THE DEPICTED GROUND FLOOR LAYOUT IS BASED ON THE
STRUCTURAL 85% CONSTRUCTION DOCUMENT SET DATED
MARCH 11, 2022 OBTAINED FROM J DAVIS ARCHITECTS.
4
VM-5
3
VM-5
22/23
VM-5A
22/23
VM-5A
14
VM-5A
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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E-B4-2
E-B4-1
E-B4-3
E-B4-5
E-B4-4
E-B4-6
E-B4-7
MP-B4-1
MP-B4-2
MP-B4-3
MP-B4-4
MP-B4-5
MP-B4-6
MP-B4-7
MP-B4-8
STAIR 1 STAIR 2ELEV 1
ELEV 2
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-4
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
BUILDING NO. 4
LEVEL 1
1
VM-52
VM-5
4
VM-5
3
VM-5
17
VM-5A
8
VM-5
8
VM-5
16
VM-5A
17
VM-5A
19
VM-5A 20
VM-5A
3" SCH 40 PVC
TEE, TYP.
3" SCH 40 PVC 45
DEGREE ELBOW,
TYP.
3" PVC TERMINATION
SCREEN (SEE SPEC
7.4), TYP.
12
VM-5A
12
VM-5A 6
VM-5
7
VM-5
LEGEND
STEEL COLUMN AND FOOTER
THICKENED SLAB
OUTDOOR OR OPEN AIR SPACE
EXTENT OF VAPOR BARRIER
HORIZONTAL COLLECTION PIPING OR SOIL GAS COLLECTOR MAT
3" DIA SCH 40 SOLID PVC PIPE
3" DIA SCH 40 SOLID PVC VERTICAL RISER WITH EXHAUST IDENTIFICATION NUMBER
2" DIA SOLID PVC PRESSURE MONITORING POINTMP-A1
E-B3-8
THE DEPICTED GROUND FLOOR LAYOUT IS BASED ON THE
STRUCTURAL 85% CONSTRUCTION DOCUMENT SET DATED
MARCH 11, 2022 OBTAINED FROM J DAVIS ARCHITECTS.
7
VM-5
6
VM-5
10
VM-5
8
VM-5
9
VM-5
8
VM-5
8
VM-5
19
VM-5A
19
VM-5A
19
VM-5A
18
VM-5A
4
VM-5
3
VM-5
19
VM-5A
19
VM-5A
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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VIMS VAPOR LINER AND BASE COURSE (TYP)1
VAPOR BARRIER (SEE SPECIFICATION #2)
CONCRETE FLOOR SLAB
SUB-BASE
NTSVM-5
BASE COURSE - CLEAN # 57 STONE (WASHED
WITH NO FINES), MIN 5" THICK BENEATH VIMS
VAPOR BARRIER (SEE SPECIFICATION #2)
3" SCH 40 THREADED FLUSH JOINT
SLOTTED PVC PIPE SET WITHIN MIN 5"
BASE COURSE (SEE SPECIFICATION #3)
VAPOR BARRIER/LINER (SEE SPECIFICATION #2)
SUB-BASE
CONCRETE FLOOR SLAB
SLOTTED COLLECTION PIPE (TYPICAL)2
NTSVM-5
PVC END CAP OR
TERMINATION SCREEN
(SEE SPECIFICATION #7)
VIMS VAPOR LINER AT INTERIOR THICKENED SLAB (TYP)
NTS
3
VM-5
CONCRETE
FLOOR SLAB
BASE COURSE
VAPOR BARRIER
SUB-BASE
WALL (VARIES)
SLOTTED PIPING SET
WITHIN BASE COURSE
SUB-BASE
VIMS PIPING THROUGH INTERIOR GRADE BEAM (TYP)
NTS
4
VM-5
SOLID 3"
SCH 40 PVC
VAPOR BARRIER SEALED TO PIPE
PER MANUFACTURER INSTRUCTIONS
PROVIDE PIPE SUPPORT TO PREVENT
LOW POINT IN SOLID PIPE. MAINTAIN 1%
SLOPE TOWARD SLOTTED SECTION OF
PIPE (SEE SPECIFICATION #2)
VAPOR BARRIER
SOLID TO SLOTTED 3" SCH 40
PVC PIPE TRANSITION (SLIP
COUPLING OR THREADED JOINT)
WALL (VARIES)
PIPE SLEEVE (SEE
SPECIFICATION #12)
IN SOME ARES SLOTTED PIPING MAY
NOT BE PRESENT AND ONLY SOLID
PIPE SECTION TO BE INSTALLED.
REFER TO VM-1 THRU VM-4
VIMS PIPING THROUGH DEPRESSIONS IN SLAB-ON-GRADE (TYP)
NTS
5
VM-5
SUB-BASE
CONCRETE FLOOR SLAB
MINIMUM 1% SLOPE TOWARD
SLOTTED SECTIONS
BASE COURSE
SOLID TO SLOTTED 3" SCH 40
PVC PIPE TRANSITION (SLIP
COUPLING OR THREADED JOINT)
3" SCH 40 PVC
45-DEGREE ELBOW
VAPOR BARRIER SEALED TO
PIPE PER MANUFACTURER
INSTRUCTIONS
SOLID 3" SCH 40 PVCPIPE SLEEVE
(SEE SPECIFICATION #12)
WALL (VARIES)
VAPOR BARRIER
SLOPE
CONCRETE
FLOOR SLAB
BASE COURSE
SUB-BASE
VIMS PIPING THROUGH THICKENED SLAB (OPTIONAL SUB-SLAB COLLECTION PIPE)
NTS
4A
VM-5
SOLID 3"
SCH 40 PVC
VAPOR BARRIER SEALED TO PIPE
PER MANUFACTURER INSTRUCTIONS
PROVIDE PIPE SUPPORT TO PREVENT
LOW POINT IN SOLID PIPE. MAINTAIN 1%
SLOPE TOWARD SLOTTED SECTION OF
PIPE (SEE SPECIFICATION #2)
VAPOR BARRIER
VAPOR BARRIER BENEATH FOOTER
WALL (VARIES)
PIPE SLEEVE
SOIL GAS
COLLECTOR MAT
MANUFACTURER SPECIFIED
FITTING TO 3" SCH 40 PVC
SOIL GAS COLLECTOR MAT IS NOT PERMITTED
TO BE INSTALLED THROUGH CONCRETE
FOOTERS OR THICKENED SLABS
VIMS AT INTERIOR COLUMN (TYP)
NTS
6
VM-5
SUB-BASE
BASE COURSE
STEEL COLUMN
SEAL INTERFACE OF STEEL COLUMN
AND CONCRETE WITH
SELF-LEVELING POLYURETHANE
SEALANT, OR SIMILAR (SEE SPEC #2)
VAPOR BARRIER
INSTALL VAPOR BARRIER ABOVE
COLUMN FOOTER PRIOR TO
INSTALLATION OF STEEL COLUMN
VIMS AT EXTERIOR COLUMN (TYP)
NTS
7
VM-5
SUB-BASE
STEEL COLUMN
SEAL INTERFACE OF STEEL COLUMN
AND CONCRETE WITH
SELF-LEVELING POLYURETHANE
SEALANT, OR SIMILAR (SEE SPEC #2)
VAPOR BARRIERFINAL GRADE
(VARIES)
BASE COURSE
INSTALL VAPOR BARRIER ABOVE
COLUMN FOOTER PRIOR TO
INSTALLATION OF STEEL COLUMN
TERMINATE VAPOR BARRIER
AT EDGE OF CONCRETE SLAB
POUR, WHERE POSSIBLE
VIMS PIPING THROUGH THICKENED FOOTING WITH RISER DUCT PIPING IN CHASE
NTS
10
VM-5
BASE COURSE
SUB-BASE
WALL (VARIES)
SOLID TO PERFORATED 3" SCH
40 PVC PIPE TRANSITION (SLIP
COUPLING OR THREADED JOINT)
3" SCH 40 PVC RISER DUCT PIPE
(SEE SPECIFICATION #3, #4 & #5)
3" SCH 40 PVC 90
DEGREE ELBOW
PIPE SLEEVE VAPOR BARRIER
VAPOR BARRIER SEALED TO PIPE PER
MANUFACTURER INSTRUCTIONS
PROVIDE PIPE SUPPORT TO PREVENT
LOW POINT IN SOLID PIPE. MAINTAIN 1%
SLOPE TOWARD SLOTTED SECTION OF
PIPE (SEE SPECIFICATION #2)
SUPPORT PIPE AS NEEDED
SLOPE
TO EXHAUST
(SEE DETAILS 22 & 23/VM-5A)
VIMS AT VERTICAL RISERS WITH 90 DEGREE ELBOW (TYP)
NTS
8
VM-5
BASE COURSE
SUB-BASE
3" SCH 40 PVC RISER DUCT PIPE
(SEE SPECIFICATION #4, #5 & #6)WALL (VARIES)
SLOTTED 3" SCH 40 PVC
VAPOR BARRIER SEALED TO PIPE PER
MANUFACTURER INSTRUCTIONS VAPOR BARRIER
TO EXHAUST
(SEE DETAILS 22 & 23/VM-5A)
VIMS PIPING THROUGH THICKENED FOOTING WITH RISER DUCT PIPING IN WALL
NTS
9
VM-5
BASE COURSE
SUB-BASE
WALL (VARIES)
SOLID TO PERFORATED 3" SCH
40 PVC PIPE TRANSITION (SLIP
COUPLING OR THREADED JOINT)
3" SCH 40 PVC RISER DUCT PIPE
(SEE SPECIFICATION #3, #4 & #5)
3" SCH 40 PVC 90
DEGREE ELBOW
PIPE SLEEVE VAPOR BARRIER
VAPOR BARRIER SEALED TO PIPE PER
MANUFACTURER INSTRUCTIONS
PROVIDE PIPE SUPPORT TO PREVENT
LOW POINT IN SOLID PIPE. MAINTAIN 1%
SLOPE TOWARD SLOTTED SECTION OF
PIPE.
SLOPE
TO EXHAUST
(SEE DETAILS 22 & 23/VM-5A)
VIMS AT VERTICAL RISER (OPTIONAL SUB-SLAB COLLECTION PIPE)
NTS
8A
VM-5
BRICK OR HOUSE SIDING
EXTERNAL WALL (NOT PRESENT
AT ALL LOCATIONS)
STUD WALL
VAPOR LINER SEALED TO PIPE
AND CONCRETE PER
MANUFACTURER INSTRUCTIONS.
3" SCH 40 PVC RISER DUCT PIPE
(SEE SPECIFICATION #4, #5 & #6)
4" TO 3" PVC REDUCER
4" SCH 40 PVC RISER DUCT PIPE
BASE COURSE
SOIL GAS
COLLECTOR MAT
SUBBASE
SOIL GAS COLLECTOR MAT CONNECTION SEALED TO 4" SCH 40
PVC RISER WITH POLYURETHANE SEALANT
SOIL GAS COLLECTOR MAT CONNECTION BLOCK TO PVC (TWO 0.5"
DIAMETER HOLE DRILLED IN BOTTOM FOR MOISTURE DRAINAGE)
TERMINATE VAPOR
BARRIER AT SOIL GRADE,
WHERE APPLICABLE
VIMS RISER WITH UPPER LEVEL OFF-SET (WHERE APPLICABLE)
NTS
TO EXHAUST
(SEE DETAILS 22 & 23/VM-5A)
MIN 1% (18" PER 1') SLOPE
TOWARD EXTRACTION POINT
CEILING TRUSSES
FLOOR
PIPE SUPPORTS PER NC
BUILDING CODE
SOLID 3" SCH 40 PVC.
LENGTH VARIES
3" SCH 40 PVC
90-DEGREE ELBOW3" SCH 40 PVC
90-DEGREE ELBOW
11
VM-5
NEAREST 5" WALL
CEILING
SLOPE
VIMS AT COLUMNS - EXPANSION DETAIL (TYP)
NTS
6A
VM-5
COLUMN
CONCRETE FLOOR SLAB
VAPOR BARRIER SEALED TO CONCRETE
PER MANUFACTURERS INSTRUCTIONS
COLUMN EXPANSION FORM
(INSTALLED OVER VAPOR BARRIER)
VAPOR BARRIER
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-5
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
DETAILS #1-11
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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12
NTSVM-5A
VIMS AT ELEVATOR PIT (TYP)
CONTINUOUS VAPOR BARRIER
SEALED PER MANUFACTURER
INSTRUCTIONS AROUND ELEVATOR
PIT BASE AND WALLS SUMP PIT
SUB-BASE
BASE COURSE
VAPOR BARRIER
WATERPROOFING MEMBRANE
(IF PRESENT - REFER TO ARCH. PLANS)
(SEE SPECIFICATION #13)
SEE DETAIL 13/VM-5A FOR
WATERPROOFING / VAPOR BARRIER
INSTALLATION SEQUENCE
VAPOR BARRIER SEALED TO OUTSIDE OF
CONCRETE AND WATERPROOFING MEMBRANE
(WHERE PRESENT) PER MANUFACTURER
INSTRUCTIONS (SEE DETAIL 21/VM-2A)
13
VM-5A
SOIL BACKFILL
VAPOR BARRIER
DRAINAGE MAT ADJACENT
TO SOIL (IF PRESENT)
CONCRETE
NTS
VIMS AT ELEVATOR PIT - WATERPROOFING DETAIL (TYP)
WATERPROOFING MEMBRANE
ADHERED TO CONCRETE
(IF PRESENT - REFER TO ARCH. PLANS)
(SEE SPECIFICATION #13)
OCCUPIED SPACE
OCCUPIED SPACE
VIMS AT RETAINING WALL ADJACENT TO ENCLOSED SPACE (TYP)
NTS
14
VM-5A
SUB-BASE
BASE COURSE
VAPOR LINER
VAPOR BARRIER SEALED TO OUTSIDE OF
CONCRETE AND WATERPROOFING MEMBRANE
(WHERE PRESENT) PER MANUFACTURER
INSTRUCTIONS (SEE DETAIL 13/VM-5A)
WATERPROOFING, IF
PRESENT
DRAIN, IF
PRESENT
WALL (VARIES)
CONCRETE
FLOOR SLAB
INTERIOR SPACE
OPEN AIR SPACE
VIMS AT RETAINING WALL ADJACENT TO OPEN AIR SPACE (TYP)
NTS
15
VM-5A
SUB-BASE
CONCRETE
FLOOR SLAB
BASE COURSE
VAPOR BARRIER
DRAIN, IF
PRESENT
WALL (VARIES)
WATERPROOFING, IF
PRESENT
MOISTURE BARRIER, IF
WARRANTED, BY OTHERS
WALL (VARIES)
BASE COURSE
SUB-BASE
WALL (VARIES)
VAPOR BARRIER AT SLAB EDGE16
NTSVM-5A
VAPOR BARRIER
VAPOR BARRIER SHALL EXTEND ALONG
FOOTER EXTERIOR, IF POSSIBLE, AT
LOCATIONS WHERE EXTERIOR GRADE IS
HIGHER THAN INTERIOR GRADE
WALL (VARIES)
BASE COURSE
SUB-BASE
VAPOR BARRIER
OPEN-AIR
SPACE
VAPOR BARRIER AT SLAB EDGE ADJACENT TO OPEN-AIR SPACE17
NTSVM-5A
ENCLOSED
INTERIOR
MOISTURE BARRIER, IF
WARRANTED, BY OTHERS
FINISHED FLOOR SLAB
2" SCH 40 PVC SET WITHIN GRAVEL LAYER
2" DRAIN EXPANSION TEST PLUG
VIMS MONITORING POINT - TYPICAL DETAIL VIEW
NTS
18
VM-5A
VAPOR BARRIER PENETRATION SEALED TO
PIPE PER MANUFACTURER INSTRUCTIONS
2" SCH 40 PVC 90 DEGREE ELBOW
FLOOR CLEANOUT, ADJUSTABLE, 4" DIA ZURN
INDUSTRIES MODEL #CO2450-PV4 (OR ENGINEER
APPROVED EQUIVALENT) FLUSH WITH FINISHED FLOOR
BASE COURSE
4" x 2" FLUSH REDUCER
BUSHING
2" PVC TERMINATION
SCREEN OR END CAP
(SEE SPECIFICATION #7)
VIMS MONITORING POINT AT WALL CONNECTION (TYP)
NTS
19
VM-5A
BASE COURSE
VAPOR LINER SEALED TO PIPE PER
MANUFACTURER INSTRUCTIONS
WALL (VARIES)
POSITION TOP OF 2" PIPE MINIMUM 10"
FROM TOP OF ACCESS PANEL DOOR
2" SCH 40 PVC 90
DEGREE ELBOW
PIPE SLEEVE PER
STRUCTURAL PLANS
VAPOR LINER
12" X 12" WALL
ACCESS PANEL
PROVIDE PIPE SUPPORT TO PREVENT LOW POINT IN SOLID
SECTION OF PIPE. MAINTAIN MINIMUM 1% SLOPE TOWARD
OPEN-END OF PIPE. (SEE SPECIFICATION #2)
2" DRAIN EXPANSION TEST PLUG
2" PVC TERMINATION
SCREEN
POSITION AT CENTER OF WALL OR
ALLOW FOR AT LEAST 1/2" DISTANCE
AROUND ALL SIDES OF PIPE
2" SOLID SCH 40 PVC PIPE
VIMS MONITORING POINT AT RETAINING WALL (TYP)
NTS
20
VM-5A
SUB-BASE
BASE COURSE
VAPOR BARRIER
DRAIN, IF
PRESENT
12" X 12" WALL
ACCESS PANEL
POSITION AT CENTER OF WALL OR
ALLOW FOR AT LEAST 1/2" DISTANCE
AROUND ALL SIDES OF PIPE
PVC PRIMER AND GLUE ALL
JOINTSVAPOR BARRIER SEALED TO PIPE PER
MANUFACTURER INSTRUCTIONS
POSITION TOP OF 2" PIPE MINIMUM 10"
FROM TOP OF ACCESS PANEL DOOR
2" DRAIN EXPANSION TEST PLUG
2" PVC TERMINATION
SCREEN
2" SCH 40 PVC 90
DEGREE ELBOWVAPOR LINER SEALED TO OUTSIDE OF CONCRETE
AND WATERPROOFING MEMBRANE (WHERE
PRESENT) PER MANUFACTURER INSTRUCTIONS
(SEE DETAIL 13/VM-5A)
VIMS EXHAUST AT ROOFTOP THROUGH SLOPED ROOF
NTS
FROM RISER
(SEE DETAILS 8 THROUGH 10/VM-5)
ROOFTOP
PIPE SUPPORTS PER NC
BUILDING CODE
22
VM-5A
ROOFTOP CORRIDOR /
ATTIC ACCESS
SOLID 3" SCH 40 PVC.
LENGTH VARIESELECTRICAL JUNCTION BOX FOR
POTENTIAL FUTURE VACUUM FAN -
WITHIN PROXIMITY OF FAN LOCATED ON
ROOFTOP (REFER TO SPECIFICATION #4)
DISCHARGE TERMINATES MINIMUM 1'
ABOVE ROOF AND 10-FT FROM OPERABLE
OPENING INTO BUILDING.
WATERPROOF
FLASHING
STATIONARY VENTILATOR (SEE DETAIL 21/VM-5A)
FOR OFFSET RISER SEE DETAIL 11/VM-5
VIMS EXHAUST AT ROOFTOP CORRIDOR
NTS
ROOFTOP
23
VM-5A
ELECTRICAL JUNCTION BOX FOR
POTENTIAL FUTURE VACUUM FAN
ON ROOFTOP (REFER TO
SPECIFICATION #4)
DISCHARGE MUST BE MINIMUM 1' ABOVE ROOF AND
10-FT FROM OPERABLE OPENING INTO BUILDING
WATERPROOF
FLASHING
ROOFTOP / DECK
FROM RISER
(SEE DETAILS 8 THROUGH 10/VM-5)
SECURE PIPE TO BUILDING
SIDE PER NC BUILDING CODE
FOR OFFSET RISER SEE DETAIL 11/VM-5
STATIONARY VENTILATOR (SEE DETAIL 21/VM-5A)
CONDENSER
(IF PRESENT)
VIMS SIPHON VENTILATOR EXHAUST (TYP)21
NTSVM-5A
3" HEAVY DUTY NO HUB COUPLING STATIONARY VENTILATOR (EMPIRE
EV04SS VENTILATOR OR AURA AV-3-PVC,
OR ENGINEER APPROVED EQUIVALENT
(SEE SPECIFICATION #5)3" RISER DUCT PIPE
THROUGH ROOF
WATERTIGHT
FLASHING
ROOFTOP
REFER TO DETAILS
22/VM-5A AND 23/VM-5A
VIMS AT UTILITY BANK (TYP)24
NTSVM-5A
INSTALL VAPOR BARRIER AS
CLOSELY AS POSSIBLE TO EACH
PENETRATION PRIOR TO
APPLICATION OF SEALANT
SEALANT SET AROUND UTILITY BANKS
WITHIN DAM (e.g. RAVEN POUR 'N
SEAL OR MASTIC WITH 2" MIN
OVERLAP WITH VAPOR BARRIER (SEE
SPECIFICATION #10)
SUB-BASE
BASE COURSE
VAPOR BARRIER CONCRETE SLAB
EXTERIOR PERMANENT VACUUM MEASURING POINT19A
NTSVM-5A
WALL (VARIES)
PROVIDE LOCKABLE WEATHERPROOF
ENCLOSURE ON OUTSIDE OF HOUSE
WALL (OR SIMILAR). AFFIX LABEL AT
BOX WITH "VAPOR MITIGATION SYSTEM".
PLACE REMOVABLE PIPE PLUG AT END
OF 2" PIPE.
VAPOR BARRIER SEALED TO CONCRETE
PER MANUFACTURERS INSTRUCTIONS
2" SCH 40 PVC 90
DEGREE ELBOW
2" SOLID SCH 40 PVC PIPE
INSTALLER SHALL SECURE PIPE TO
PREVENT MOVEMENT OR DAMAGE TO
PIPE DURING THE CONCRETE POUR
EXTERIOR GRADE
(VARIES)
BASE COURSE
(SEE SPECIFICATION #1)
VAPOR BARRIER (SEE
SPECIFICATION #1)
PIPE SLEEVE, IF PRESENT
2" OPEN ENDED PIPE, PLACED AT A MINIMUM OF
5' FROM EXTERIOR TURN-DOWN SLABS
PVC TERMINATION SCREEN OR END
CAP (SEE SPECIFICATION #7)
SLEEVE FOR FULL LENGTH OF PROJECTION
WITH SLEEVE 2" LARGER DIAMETER THAN PIPE
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-5A
PROFESSIONAL
APPROVAL
VAPOR INTRUSION
MITIGATION SYSTEM
DETAILS #12-24
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
S:\AAA-Master Projects\Portman Holdings\Caraustar & Savona Mill\VIMS\Figures\VIMS Design_R1.dwg
H&H NO. POR-001
VAPOR MITIGATION PLAN
PREPARED BY:
2923 South Tryon Street-Suite 100
Charlotte, North Carolina 28203
704-586-0007(p) 704-586-0373(f)
License # C-1269 / #C-245 Geology
SAVONA MILL RESIDENTIALSOUTH TURNER AVENUECHARLOTTE, NORTH CAROLINABROWNFIELDS PROJECT NO. 23061-19-060DEVELOPER:
PORTMAN RESIDENTIAL
303 PEACHTREE CENTER
AVENUE NE
SUITE 575
ATLANTA, GEORGIA
VM-6
PROFESSIONAL
APPROVAL
NOTES:
VIMS = VAPOR INTRUSION MITIGATION SYSTEM
TYP = TYPICAL
SCH = SCHEDULE
PVC = POLYVINYL CHLORIDE
NTS = NOT TO SCALE
MIL = THOUSANDS OF AN INCH
SOG = SLAB-ON-GRADE
ALL PIPE MEASUREMENTS ARE BY DIAMETER
VAPOR INTRUSION
MITIGATION SYSTEM
SPECIFICATIONS
VAPOR INTRUSION MITIGATION SYSTEM (VIMS) SPECIFICATIONS
1.THIS VAPOR MITIGATION PLAN IS INTENDED TO BE USED FOR DIRECTION OF VIMS COMPONENT INSTALLATION ONLY AND IS NOT INTENDED TO GUIDE CONSTRUCTION OF BUILDING STRUCTURAL COMPONENTS. CONSTRUCTION CONTRACTOR SHALL VERIFY
CONSISTENCY OF VIMS DETAILS WITH APPLICABLE STRUCTURAL, ARCHITECTURAL, MECHANICAL, & PLUMBING PLANS AND RESOLVE ANY INCONSISTENCIES PRIOR TO VIMS INSTALLATION.
2.VIMS VAPOR BARRIER (LINER) SHALL BE VAPORBLOCK PLUS 20 (VBP20) 20-MIL VAPOR LINER MANUFACTURED BY RAVEN INDUSTRIES (RAVEN). AS AN ALTERNATIVE, DRAGO WRAP 20-MIL VAPOR INTRUSION BARRIER MANUFACTURED BY STEGO INDUSTRIES, LLC
(STEGO) CAN BE USED, PENDING APPROVAL BY THE ENGINEER.
THE VAPOR LINER SHALL BE INSTALLED AS SPECIFIED HEREIN AND PER MANUFACTURER INSTALLATION INSTRUCTIONS TO CREATE A CONTINUOUS LINER BELOW MITIGATED AREAS, AND ALONG RETAINING WALLS AND SLAB-ON-GRADE FOLDS WITHIN THE
EXTENT OF VAPOR LINER BOUNDARY. A MINIMUM 5-INCH THICK BASE COURSE CONSISTING OF CLEAN #57 STONE (WASHED WITH NO FINES) SHALL BE INSTALLED BENEATH THE VIMS VAPOR LINER. A SIMILAR HIGH PERMEABILITY STONE MAY BE USED,
PENDING APPROVAL BY THE ENGINEER.
2.1.THE VAPOR LINER SHALL BE PROPERLY SEALED IN ACCORDANCE WITH THE MANUFACTURER INSTALLATION INSTRUCTIONS AS SPECIFIED IN THESE DRAWINGS TO FOOTERS, SLAB STEPS, RETAINING WALLS, PENETRATIONS (SUCH AS PIPE PENETRATIONS), OR
OTHER BUILDING COMPONENTS WITHIN THE VIMS EXTENTS. VAPOR LINER SHALL BE INSTALLED UNDER CMU WALLS WHICH SUPPORT OCCUPIED ENCLOSED SPACES.
2.2.VAPOR BARRIER SHALL BE INSTALLED UNDER SLABS, ON WALLS, AND ALONG OTHER STRUCTURAL COMPONENTS WHICH COME IN CONTACT WITH BOTH AN OCCUPIABLE ENCLOSED SPACE AND SOIL. NOT ALL AREAS FOR THE VAPOR BARRIER MAY BE
DEPICTED ON THE DRAWINGS. THE GENERAL CONTRACTOR SHALL VERIFY ALL REQUIRED LOCATIONS FOR VAPOR BARRIER LONG VERTICAL WALLS PRIOR TO CONSTRUCTION.
2.3.ALL CONCRETE BOXOUTS, INCLUDING BUT NOT LIMITED TO SHOWER/BATH TUB DRAINS, SHALL HAVE A CONTINUOUS VAPOR BARRIER INSTALLED BELOW.
2.4.VAPOR BARRIER SHALL EXTEND ALONG FOOTING EXTERIOR, IF POSSIBLE, AT LOCATIONS WHERE EXTERIOR GRADE IS HIGHER THAN INTERIOR GRADE.
2.5.IN AREAS WITH EXPANSION BOARDS (E.G. ALONG COLUMNS), THE VAPOR BARRIER MUST BE SEALED DIRECTLY TO THE CONCRETE BETWEEN THE CONCRETE AND THE FORM BOARD. THE EXPANSION BOARD MAY BE INSTALLED OVER THE VAPOR BARRIER.
2.6.THE INTERFACE OF THE STEEL COLUMNS (IF PRESENT) AND THE TOP OF CONCRETE SLAB SHALL BE SEALED WITH A SELF-LEVELING POLYURETHANE SEALANT PER DIRECTION OF THE ENGINEER OR ENGINEER'S DESIGNEE. SIMILAR SEALANT PRODUCTS MAY
BE APPROVED BY THE ENGINEER.
3.SUB-SLAB SLOTTED VAPOR COLLECTION PIPE SHALL BE SOCKET-WELD 3" SCH 40 PVC PIPE WITH 0.020" TO 0.060" SLOT WIDTH AND 1/8" SLOT SPACING. AN ALTERNATE SLOT PATTERN, OR SCH 40 PVC PERFORATED PIPE WITH 5/8" OR SMALLER DIAMETER
PERFORATIONS, OR SOIL GAS COLLECTOR MAT (1" X 12"), WITH SIMILAR AIR FLOW CHARACTERISTICS TO THE SLOTTED PIPE MAY BE USED PENDING APPROVAL BY THE DESIGN ENGINEER. IF CIRCULAR PIPE IS USED, A PVC TERMINATION SCREEN (WALRICH
CORPORATION #2202052, OR SIMILAR) SHOULD BE INSTALLED ON THE END OF PIPE.
3.1.SLOTTED COLLECTION PIPING SHALL BE SET WITHIN THE MINIMUM 5” BASE COURSE LAYER, WITH APPROXIMATELY 1” OF BASE COURSE MATERIAL BELOW THE PIPING.
3.2.SOIL GAS COLLECTOR MAT (IF INSTALLED) SHALL NOT BE USED THROUGH A CONCRETE FOOTING. SCH 40 PVC PIPE (3" DIA) SHALL BE USED FOR ALL SUB-SLAB VENT PIPE CROSSINGS THROUGH FOOTINGS. IF SOIL GAS COLLECTOR MAT IS USED,
MANUFACTURER APPROVED FITTINGS SHALL BE UTILIZED TO CONNECT THE SOIL GAS COLLECTOR MAT PVC PIPING FOR CROSSINGS THROUGH FOOTINGS.
4.3" SCH 40 PVC RISER DUCT PIPING SHALL BE INSTALLED TO CONNECT EACH SLAB PENETRATION LOCATION TO A ROOFTOP EXHAUST DISCHARGE POINT WITH STATIONARY VENTILATOR (SEE SPECIFICATION #5). ABOVE-SLAB RISER DUCT PIPE THAT RUNS BETWEEN
THE SLAB PENETRATION AND THE ROOFTOP EXHAUST DISCHARGE SHALL BE INSTALLED PER APPLICABLE BUILDING CODE AND AS SPECIFIED IN THE CONSTRUCTION DOCUMENTS AND DRAWINGS.
4.1.VERTICAL RISER PIPING SHALL BE CONNECTED WITH PVC PRIMER AND GLUE (FREE OF PCE AND TCE).
4.2.VERTICAL RISER PIPING MUST BE INSTALLED PER 2018 NORTH CAROLINA STATE PLUMBING CODE.
4.3.VIMS BELOW AND ABOVE GRADE SOLID PIPING SHALL NOT BE TRAPPED AND SHALL BE SLOPED A MINIMUM OF 1/8 UNIT VERTICAL BY 12 UNITS HORIZONTAL (1% SLOPE) TO GRAVITY DRAIN. BENDS, TURNS, AND ELBOWS IN VERTICAL RISER PIPES SHALL BE
MINIMIZED FROM THE SLAB TO THE ROOFTOP.
5.3" SCH 40 PVC RISER DUCT PIPING SHALL EXTEND IN A VERTICAL ORIENTATION THROUGH THE BUILDING ROOF AND TERMINATE A MINIMUM OF 2 FT ABOVE THE BUILDING ROOF LINE. EMPIRE MODEL EV04SS STAINLESS STEEL VENTILATOR OR ACTIVE
VENTILATION PRODUCTS AURA AV-3-PVC (OR ALTERNATE APPROVED BY DESIGN ENGINEER) SHALL BE INSTALLED ON THE EXHAUST DISCHARGE END OF EACH RISER DUCT PIPE. THE 3" RISER DUCT PIPE AND THE VENTILATOR SHALL BE SECURED TO THE PVC
RISER IN A VERTICAL ORIENTATION.
5.1.EXHAUST DISCHARGE LOCATIONS SHALL BE A MINIMUM OF 10 FT FROM ANY OPERABLE OPENING OR AIR INTAKE INTO THE BUILDING. NOTE THAT DISCHARGE LOCATIONS ON THE ROOFTOP DEPICTED IN THE VAPOR MITIGATION PLAN MAY BE
REPOSITIONED AS LONG AS THE NEW POSITION MEETS THE REQUIREMENTS PRESENTED ABOVE, PENDING ENGINEER APPROVAL.
5.2.AN ELECTRICAL JUNCTION BOX (120VAC REQUIRED) FOR OUTDOOR USE SHALL BE INSTALLED NEAR THE FAN LOCATION ON THE ROOFTOP FOR POTENTIAL FUTURE CONVERSION TO ELECTRIC FANS , IF REQUIRED. ALL WIRING AND ELECTRICAL SHALL BE
INSTALLED PER APPLICABLE BUILDING AND ELECTRICAL CODES TO ALLOW FANS TO BE INSTALLED EITHER WITHIN OR ABOVE THE SLOPED ROOF LOCATION. NO ELECTRIC FANS MAY BE INSTALLED WITHIN ATTIC SPACES THAT CONNECT TO ENCLOSED LIVING
SPACES.
6.ABOVE-SLAB ACCESSIBLE RISER DUCT PIPING SHALL BE PERMANENTLY IDENTIFIED BY MEANS OF A TAG OR STENCIL AT A MINIMUM OF ONCE EVERY 10-LINEAR FT WITH "VAPOR MITIGATION: CONTACT MAINTENANCE". LABELS SHALL ALSO BE FIXED NEAR THE
VENTILATORS IN AN ACCESSIBLE LOCATION ON THE ROOFTOP.
7.MONITORING POINTS SHALL CONSIST OF 2-INCH DIAMETER SCH 40 PVC PIPE WITH A 90-DEGREE ELBOW TO FORM AN “L” SHAPE. A MINIMUM OF 6” SECTION OF PIPE AND MAXIMUM 6 FT SECTION OF PIPE, OR OTHERWISE APPROVED BY THE DESIGN ENGINEER,
SHALL BE SET WITHIN THE BASE COURSE LAYER WITH AN OPEN ENDED PIPE OR PIPE PROTECTION SCREEN AT THE TERMINATION. THE PIPE TERMINATION SHALL BE ENCASED WITHIN THE BASE COURSE LAYER.
7.1.THE HORIZONTAL PIPING SHALL BE SLOPED A MINIMUM OF 1/8 UNIT VERTICAL BY 12 UNITS HORIZONTAL (1% SLOPE) TO GRAVITY DRAIN TOWARDS THE PIPE TERMINATION AND PREVENT MOISTURE FROM COLLECTING AT THE 90-DEGREE ELBOW.
7.2.THE MONITORING POINT INTAKE SHALL BE PLACED A MINIMUM OF 5-FT FROM EXTERIOR FOOTERS.
7.3.MONITORING POINTS LOCATED IN STAIRWELLS ARE INTENDED TO BE INSTALLED BELOW STAIRWELL LANDINGS AND MAY BE RE-POSITIONED WITHIN THE STAIRWELL PER APPROVAL OF THE DESIGN ENGINEER TO PROVIDE SUITABLE ACCESS TO THE POINT.
7.4.THE END OF THE PIPE SHALL CONTAIN A PVC TERMINATION SCREEN, OR HAVE A MINIMUM OF THREE 58" DIA HOLES DRILLED INTO A SOLID CAP, OR SHALL HAVE VENT SLOTS WITH MINIMUM 1 SQUARE INCH OF OPEN AREA.
7.5.A 4-INCH DIAMETER ADJUSTABLE FLOOR CLEAN-OUT (ZURN INDUSTRIES MODEL #CO2450-PV4, OR EQUIVALENT) SHALL BE INSTALLED AND SET FLUSH WITH THE FINISHED CONCRETE SURFACE, OR THE MONITORING POINT SHALL BE PLACED BEHIND A WALL
ACCESS PANEL PER THE DETAILS.
8.CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS SHALL USE "LOW OR NO VOC" PRODUCTS AND MATERIALS, WHEN POSSIBLE, AND SHALL NOT USE PRODUCTS CONTAINING THE COMPOUNDS TETRACHLOROETHENE (PCE) OR TRICHLOROETHENE (TCE).
THE CONSTRUCTION CONTRACTOR AND SUB-CONTRACTORS SHALL PROVIDE SAFETY DATA SHEETS (SDS) TO THE ENGINEER FOR THE PRODUCTS AND MATERIALS USED FOR CONSTRUCTION OF THE VIMS.
9.IN INSTANCES WHERE A THICKENED FOOTING OR RETAINING WALL IS NOT SPECIFIED AT THE EXTENT OF VAPOR LINER, A THICKENED SLAB OR FOOTER SHALL BE INSTALLED BY THE CONTRACTOR THAT INCLUDES A SOIL SUBBASE TO CREATE A CUT-OFF FOOTER AT
THE EXTENT OF VAPOR LINER. THE ADDITIONAL THICKENED SLAB OR FOOTER SHALL NOT ALLOW FOR CONTINUOUS GRAVEL BETWEEN THE VIMS EXTENTS AND EXTERIOR NON-MITIGATED AREAS.
10.CONSTRUCTION CONTRACTORS AND SUB-CONTRACTORS SHALL AVOID THE USE OF TEMPORARY FORM BOARDS THAT PENETRATE THE VAPOR LINER WHERE POSSIBLE. IF TEMPORARY FORM BOARDS ARE USED, THE SIZE AND NUMBER OF PENETRATIONS
THROUGH THE VAPOR LINER SHALL BE LIMITED AND SMALL DIAMETER SOLID STAKES (I.E. METAL STAKES) SHALL BE USED. IN ALL CASES, AS FORM BOARDS ARE REMOVED, THE CONTRACTOR OR SUB-CONTRACTORS SHALL RESEAL ALL PENETRATIONS IN
ACCORDANCE WITH VAPOR LINER MANUFACTURER INSTALLATION INSTRUCTIONS.
10.1.HOLLOW FORMS OR CONDUITS THAT CONNECT THE SUB-SLAB ANNULAR SPACE TO ENCLOSED ABOVE SLAB SPACES SHALL NOT BE PERMITTED.
10.2.AREAS OF UTILITY BANKS (e.g. LOCATION OF THREE OR MORE ADJACENT UTILITIES THROUGH THE SLAB) SHALL BE SEALED TO CREATE AN AIR-TIGHT BARRIER AROUND THE UTILITY CONDUITS USING RAVEN POUR N'SEAL OR MASTIC PRIOR TO THE SLAB
POUR. OTHER SEALANT METHODS IF USED SHALL BE APPROVED BY THE DESIGN ENGINEER PRIOR TO APPLICATION.
11.INSPECTIONS: THE INSTALLATION CONTRACTOR(S) SHALL NOT COVER ANY PORTIONS OF THE VIMS WITHOUT INSPECTION. INSPECTIONS OF EACH COMPONENT OF THE VIMS SHALL BE CONDUCTED BY THE ENGINEER, OR ENGINEER'S DESIGNEE, TO CONFIRM
VIMS COMPONENTS ARE INSTALLED PER THE APPROVED DESIGN. THE REQUIRED INSPECTION COMPONENTS INCLUDE: (1) INSPECTION OF SUB-SLAB PIPING LAYOUT, (2) GRAVEL PLACEMENT, AND (3) MONITORING POINT PLACEMENT PRIOR TO INSTALLING
VAPOR BARRIER; (4) INSPECTION OF VAPOR BARRIER PRIOR TO POURING CONCRETE; (5) INSPECTION OF UTILITY BANKS PRIOR TO POURING OF CONCRETE , IF PRESENT; (6) INSPECTION OF ABOVE-GRADE PIPING LAYOUT; AND (7) INSPECTION OF VENTILATOR
AND RISER DUCT PIPE CONNECTIONS. INSPECTIONS WILL BE COMBINED WHEN POSSIBLE DEPENDING ON THE CONSTRUCTION SEQUENCE/SCHEDULE. THE CONSTRUCTION CONTRACTOR(S) SHALL COORDINATE WITH THE ENGINEER TO PERFORM THE REQUIRED
INSPECTIONS. A MINIMUM 48-HOUR NOTICE SHALL BE GIVEN TO THE ENGINEER AND DEQ PRIOR TO THE REQUIRED INSPECTION(S).
12.PIPE SLEEVES, IF USED, SHALL BE PROPERLY SEALED TO PREVENT A PREFERENTIAL AIR PATHWAY FROM BELOW THE SLAB INTO THE BUILDING. REFER TO TO STRUCTURAL DRAWINGS FOR FOOTING DETAILS ADDRESSING VIMS PIPING.
13.WATERPROOFING INCLUDING MEMBRANES AND DRAINAGE MATS SHALL BE INSTALLED IN ACCORDANCE WITH THE ARCHITECTURAL AND STRUCTURAL PLANS. IF WATERPROOFING IS PRESENT, THE VAPOR BARRIER SHALL BE INSTALLED BETWEEN
WATERPROOFING AND ANY DRAINAGE FEATURES INCLUDING DRAINAGE MATS WHERE IT OVERLAPS. THE GENERAL CONTRACTOR SHALL CONFIRM THAT THE WATERPROOFING PRODUCTS AND SEALANTS USED DURING CONSTRUCTION ARE COMPATIBLE WITH
THE SPECIFIED VAPOR BARRIER ACCORDING TO MANUFACTURER SPECIFICATIONS.
DATE: 07-26-22
07/26/22
REVISIONS
REV DATE DESCRIPTION
0 05/09/22 NCDEQ SUBMISSION
1 07/26/22 REVISION 1 SUBMISSION
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Attachment C-1

VaporBlock 20 (VBP-20) Product Specification Sheets & Installation Instructions
PRODUCT PART #
VaporBlock® Plus™ 20 ................................................................ VBP20
UNDER-SLAB VAPOR / GAS BARRIER
Under-Slab Vapor/Gas Retarder
© 2018 RAVEN INDUSTRIES INC. All rights reserved.
VAPORBLOCK® PLUS™VBP20
PRODUCT DESCRIPTION
VaporBlock® Plus™ is a seven-layer co-extruded barrier
made using high quality virgin-grade polyethylene and
EVOH resins to provide unmatched impact strength as well
as superior resistance to gas and moisture transmission.
VaporBlock® Plus™ 20 is more than 100 times less permeable
than typical high-performance polyethylene vapor retarders
against Methane, Radon, and other harmful VOCs. Tested and
verified for unsurpassed protection against BTEX, HS, TCE, PCE,
methane, radon, other toxic chemicals and odors.
VaporBlock® Plus™ 20 multi-layer gas barrier is manufactured
with the latest EVOH barrier technology to mitigate hazardous
vapor intrusion from damaging indoor air quality, and the safety
and health of building occupants. VBP20 is one of the most
effective underslab gas barriers in the building industry today
far exceeding ASTM E-1745 (Plastic Water Vapor Retarders
Used in Contact with Soil or Granular Fill Under Concrete Slabs)
Class A, B and C requirements. Available in a 20 (Class A) mil
thicknesses designed to meet the most stringent requirements.
VaporBlock® Plus™ 20 is produced within the strict guidelines
of our ISO 9001 Certified Management System.
PRODUCT USE
VaporBlock® Plus™ 20 resists gas and moisture migration
into the building envelop when properly installed to provide
protection from toxic/harmful chemicals. It can be installed as
part of a passive or active control system extending across the
entire building including floors, walls and crawl spaces. When
installed as a passive system it is recommended to also include
a ventilated system with sump(s) that could be converted to an
active control system with properly designed ventilation fans.
VaporBlock® Plus™ 20 works to protect your flooring and
other moisture-sensitive furnishings in the building’s interior
from moisture and water vapor migration, greatly reducing
condensation, mold and degradation.
SIZE & PACKAGING
VaporBlock® Plus™ 20 is available in 10’ x 150’ rolls to
maximize coverage. All rolls are folded on heavy-duty cores
for ease in handling and installation. Other custom sizes
with factory welded seams are available based on minimum
volume requirements. Installation instructions and ASTM E-1745
classifications accompany each roll.
APPLICATIONS
Radon Barrier
Methane Barrier
VOC Barrier
Brownfields Barrier
Vapor Intrusion Barrier
Under-Slab Vapor Retarder
Foundation Wall Vapor Retarder
VaporBlock® Plus™ is a seven-layer co-extruded barrier made using high quality virgin-grade polyethylene and EVOH resins to provide unmatched impact strength as well as superior resistance to gas and moisture transmission.
VaporBlock® Plus™ Placement
All instructions on architectural or structural drawings should be reviewed and followed.
Detailed installation instructions accompany each roll of VaporBlock® Plus™ and can also be located at www.ravenefd.com.
ASTM E-1643 also provides general installation information for vapor retarders.
VAPORBLOCK® PLUS™ 20
PROPERTIES TEST METHOD IMPERIAL METRIC
AppeArAnce White/Gold
Thickness, nominAl 20 mil 0.51 mm
WeighT 102 lbs/MSF 498 g/m²
clAssificATion ASTM E 1745 CLASS A, B & C
³ Tensile sTrengTh
ASTM E 154Section 9(D-882)58 lbf 102 N
impAcT resisTAnce ASTM D 1709 2600 g
permeAnce (neW mATeriAl)
ASTM E 154Section 7ASTM E 96Procedure B
0.0098 Perms
grains/(ft²·hr·in·Hg)
0.0064 Perms
g/(24hr·m²·mm Hg)
permeAnce (AfTer condiTioning)
(sAme meAsuremenT As Above permeAnce)
ASTM E 154Section 8, E96Section 11, E96Section 12, E96Section 13, E96
0.00790.00790.00970.0113
0.00520.00520.00640.0074
WvTr ASTM E 96Procedure B 0.0040 grains/hr-ft²0.0028 gm/hr-m²
benzene permeAnce See Note ⁶1.13 x 10-¹⁰ m²/sec or 3.62 x 10-¹³ m/s
Toluene permeAnce See Note ⁶1.57 x 10-¹⁰ m²/sec or 1.46 x 10-¹³ m/s
eThylbenzene permeAnce See Note ⁶1.23 x 10-¹⁰ m²/sec or 3.34 x 10-¹⁴ m/s
m & p-Xylenes permeAnce See Note ⁶1.17 x 10-¹⁰ m²/sec or 3.81 x 10-¹⁴ m/s
o-Xylene permeAnce See Note ⁶1.10 x 10-¹⁰ m²/sec or 3.43 x 10-¹⁴ m/s
hydrogen sulfide See Note 9 1.92E-⁰⁹ m/s
TrichloroeThylene (Tce) See Note ⁶7.66 x 10-¹¹ m²/sec or 1.05 x 10-¹⁴ m/s
perchloroeThylene (pce)See Note ⁶7.22 x 10-¹¹ m²/sec or 1.04 x 10-¹⁴ m/s
rAdon diffusion coeffiecienT K124/02/95 < 1.1 x 10-13 m2/s
meThAne permeAnce ASTM D 1434 3.68E-¹² m/sGas Transmission Rate (GTR):0.32 mL/m²•day•atm
mAXimum sTATic use TemperATure 180° F 82° C
minimum sTATic use TemperATure - 70° F - 57° C
UNDER-SLAB VAPOR / GAS BARRIER
VAPORBLOCK® PLUS™VBP20
© 2018 RAVEN INDUSTRIES INC. All rights reserved.
Scan QR Code to download current technical data sheets via the Raven website.
Note: To the best of our knowledge, unless otherwise stated, these are typical property values and are intended as guides only, not as specification limits. Chemical resistance, odor transmission, longevity as well as other performance criteria is not implied or given and actual testing must be performed for applicability in specific applications and/or conditions. RAVEN INDUSTRIES MAKES NO WARRANTIES AS TO THE FITNESS FOR A SPECIFIC USE OR MERCHANTABILITY OF PRODUCTS REFERRED TO, no guarantee of satisfactory results from reliance upon contained information or recommendations and disclaims all liability for resulting loss or damage. Limited Warranty available at www.RavenEFD.com
061318 EFD 1125
RAVEN ENGINEERED FILMSP.O. Box 5107 Sioux Falls, SD 57117-5107Ph: [phone] • TF: [phone] [e-mail]
³ Tests are an average of machine and transverse directions.5 Raven Industries performs seam testing at 20” per minute.6 Aqueous Phase Film Permeance. Permeation of Volatile Organic Compounds through EVOH Thin Film Membranes and Coextruded LLDPE/EVOH/
LLDPE Geomembranes, McWatters and Rowe, Journal of Geotechnical and Geoenvironmental Engineering© ASCE/
September 2015. (Permeation is the Permeation Coefficient adjusted to actual film thickness - calculated at 1 kg/m³.)
The study used to determine PCE and TCE is titled: Evaluation of diffusion of PCE & TCE through high performance geomembranes by Di
Battista and Rowe, Queens University 8 Feb 2018.9 The study used to determine diffusion coefficients is titled: Hydrogen Sulfide (H₂S) Transport through Simulated Interim Covers with Conventional and Co-Extruded Ethylene-Vinyl Alcohol (EVOH) Geomembranes.
INSTALLATION GUIDELINES - With VaporSeal™ Tape
VaporSeal™
4” Tape
VaporSeal™ 4” Tape Optional Butyl Seal
2-Sided Tape
Gas Barrier Applications
Elements of a moisture/gas-resistant floor system. General illustration only.(Note: This example shows multiple options for waterstop placement.
VaporSeal™
4” Tape
VaporSeal™ 4” Tape Optional Butyl Seal
2-Sided Tape
Gas Barrier Applications
Fig. 2: VaporBlock® Plus™ Overlap Joint Sealing Methods
Fig. 1: VaporBlock® Plus™ Overlapping Roll-out Method
Please Note: Read these instructions thoroughly before installation to ensure proper use of VaporBlock® Plus™. ASTM E 1465, ASTM E 2121 and, ASTM E 1643 also provide valuable information regarding the installation of vapor / gas barriers. When installing this product, contractors shall conform to all applicable local, state and federal regulations and laws pertaining to residential and commercial building construction.
• When VaporBlock® Plus™ gas barrier is used as part of an active control system for radon or other gas, a ventilation system will be required.
• If designed as a passive system, it is recommended to install a ventilation system that could be converted to an active system if needed.
Materials List:VaporBlock® Plus™ Vapor / Gas BarrierVaporSeal™* 4” Seaming TapeVaporSeal™* 12” Seaming/Repair TapeButyl Seal 2-Sided TapeVaporBoot Plus Pipe Boots 12/Box (recommended)VaporBoot Tape (optional)POUR-N-SEAL™ (optional)1” Foam Weather Stripping (optional)Mako® Screed Supports (optional)
VAPORBLOCK® PLUS™ PLACEMENT
1.1. Level and tamp or roll granular base as specified. A base for a gas-reduction system may require a 4” to 6” gas permeable layer of clean coarse aggregate as specified by your architectural or structural drawings after installation of the recommended gas collection system. In this situation, a cushion layer consisting of a non-woven geotextile fabric placed directly under VaporBlock® Plus™ will help protect the barrier from damage due to possible sharp coarse aggregate.
1.2. Unroll VaporBlock® Plus™ running the longest dimension parallel with the direction of the pour and pull open all folds to full width. (Fig. 1)
1.3. Lap VaporBlock® Plus™ over the footings and seal with Raven Butyl Seal tape at the footing-wall connection. Prime concrete surfaces, when necessary, and assure they are dry and clean prior to applying Raven Butyl Seal Tape. Apply even and firm pressure with a rubber roller. Overlap joints a minimum of 6” and seal overlap with 4” VaporSeal™ Tape. When used as a gas barrier, overlap joints a minimum of 12” and seal in-between overlap with an optional 2-sided Raven Butyl Seal Tape. Then seal with 4” VaporSeal™ Tape centered on the overlap seam. (Fig. 2)
Page 1 of 4 T�������������������������������� by the Portland Cement Association.Reference: Kanare, Howard M., Concrete Floors and Moisture, EB119, Portland Cement Association, Skokie, Illinois, and National Ready Mixed Concrete Association, Silver Spring, Maryland, USA, 2008, 176 pages.
1.4. Seal around all plumbing, conduit, support columns or other penetrations that come through the VaporBlock® Plus™ membrane.
1.4a. Method 1: Pipes four inches or smaller can be sealed with Raven VaporBoot Plus preformed pipe boots. VaporBoot Plus preformed pipe boots are formed in steps for 1”, 2”, 3” and 4” PVC pipe or IPS size and are sold in units of 12 per box (Fig. 3 & 5).
Pipe boots may also be fabricated from excess VaporBlock® Plus™ membrane (Fig. 4 & 6) and sealed with VaporBoot Tape or VaporSeal™ Tape (sold separately).
1.4b. Method 2: To fabricate pipe boots from VaporBlock® Plus™ excess material (see Fig. 4 & 6 for A-F):
A) Cut a square large enough to overlap 12” in all directions.
B) Mark where to cut opening on the center of the square and cut four to eight slices about 3/8” less than the diameter of the pipe.
C) Force the square over the pipe leaving the tightly stretched cut area around the bottom of the pipe with approximately a 1/2” of the boot material running vertically up the pipe. (no more than a 1/2” of stretched boot material is recommended)
D) Once boot is positioned, seal the perimeter to the membrane by applying 2-sided Raven Butyl Seal Tape in between the two layers. Secure boot down firmly over the membrane taking care not to have any large folds or creases.
E) Use VaporBoot Tape or VaporSeal™ Tape to secure the boot to the
pipe.
VaporBoot Tape (option) – fold tape in half lengthwise, remove half of the release liner and wrap around the pipe allowing 1” extra for overlap sealing. Peel off the second half of the release liner and work the tape outward gradually forming a complete seal.
VaporSeal™ Tape (option) - Tape completely around pipe overlapping the VaporBlock® Plus™ square to create a tight seal against the pipe.
F) Complete the process by taping over the boot perimeter edge with VaporSeal™ Tape to create a monolithic membrane between the surface of the slab and gas/moisture sources below and at the slab perimeter. (Fig. 4 & 6)
Preformed Pipe Boot Square Material Pipe Boot
Fig. 3
SINGLE PENETRATION PIPE BOOT INSTALLATION
Fig. 5 Fig. 6
1. Cut a square of VaporBlock® Plus™ barrier to extend at least 12” from the pipe in all directions.
2. Cut four to eight slices about 3/8” less than the diameter of the pipe.
5. Use Raven VaporBoot or VaporSeal™ Tape and overlap 1” at the seam.
4. Tape over the boot perimeter edge with VaporSeal™ Tape.
1. Cut out one of the preformed boot steps (1” to 4”).
2. Tape the underside boot perimeter with 2-sided Butyl Seal Tape.
3. Force the boot over pipe and press tape firmly in place.
4. Use VaporSeal™ Tape
to secure boot to the pipe.
5. Tape around entire boot edge with VaporSeal™ Tape.
VaporBoot Flexible Tapeor VaporSeal™ 4” TapeVaporSeal™ 4” Tape
VaporBlock® Plus™Material
VaporSeal™ 4” Tape
Raven Butyl Seal2-Sided Tape Raven Butyl Seal2-Sided Tape
VaporBoot PlusPreformed Boot 12”(minimum)
3. Force over pipe and tape the underside boot perimeter to existing barrier with 2-sided Butyl Seal Tape.
Fig. 4
Page 2 of 4 ��������������������������������ortland Cement Association.Reference: Kanare, Howard M., Concrete Floors and Moisture, EB119, Portland Cement Association, Skokie, Illinois, and National Ready Mixed Concrete Association, Silver Spring, Maryland, USA, 2008, 176 pages.Method 1
Method 2
VaporSeal™4” Tape VaporBoot PlusPerformed Boot
Raven Butyl Seal 2-sided Tape Raven Butyl Seal 2-sided Tape
1.5. Sealing side-by-side multiple penetrations (option 1);
A) Cut a patch large enough to overlap 12” in all directions (Fig. 7)
of penetrations.
B) Mark where to cut openings and cut four to eight slices about
3/8” less than the diameter of the penetration for each.
C) Force patch material over penetration to achieve a tight fit and
form a lip.
D) Once patch is positioned, seal the perimeter to the membrane
by applying 2-sided Raven Butyl Seal Tape in-between the two
layers. (Fig. 8)
E) After applying Raven Butyl Seal Tape between the patch and
membrane, tape around each of the penetrations and the patch
with VaporSeal™ 4” tape. (Fig. 9) For additional protection apply
POUR-N-SEAL™ or an acceptable polyurethane elastomeric
sealant around the penetrations. (Fig. 10)
Fig. 7 Fig. 8
Fig. 9 Fig. 10
MULTIPLE PENETRATION PIPE BOOT INSTALLATION
Fig. 6
Cut a patch large enough to overlap 12” in all directions and slide over penetrations (Make openings as tight as possible.)
Once the overlay patch is positioned, seal the perimeter to the membrane by applying 2-sided Raven Butyl Seal Tape in-between the two layers.
After applying Raven Butyl Seal Tapebetween the patch and membrane, tape around the perimeter of the penetration and the patch with VaporSeal™ 4” Tape.
For additional protection apply POUR-N-SEAL™ or an acceptable polyurethane elastomeric sealant around the penetrations.
VaporSeal™ 4” Tape VaporSeal™ 4” Tape
Page 3 of 4
Option 1
Raven Butyl Seal 2-sided Tape
1.6. POUR-N-SEAL™ method of sealing side-by-side multiple penetrations (option 2);
A) Install the vapor barrier as closely as possible to pipe penetrations to minimize the amount of POUR-N-SEAL™ necessary to seal around all penetrations.
B) Once barrier is in place, remove soil or other particles with a dry cloth or a fine broom to allow for improved adhesion to the POUR-N-SEAL™ liquid.
C) Create a dam around the penetration area approximately 2” away from the pipe or other vertical penetrations by removing the release liner from the back of a 1” weather stripping foam and adhere to the vapor barrier. Form a complete circle to contain the POUR-N-SEAL™ materials (Fig. 11).
D) Once mixed, pour contents around the pipe penetrations. If needed, a brush or a flat wooden stick can be used to direct the sealant completely around penetrations creating a complete seal (Fig. 12-13).
E) DO NOT leave excess POUR-N-SEAL™ in plastic container for longer than the time it takes to pour sealant.
Fig. 12 Fig. 13
Fig. 11
Option 2
VAPORBLOCK® PLUS™ REPAIR INSTRUCTIONS
1.7. Proper installation requires all holes and openings are repaired prior
to placing concrete. When patching small holes, simply cut a 12” long
piece of 12” wide VaporSeal™ tape. Remove release liner and center
over the opening. Apply pressure to create a seal (Fig. 14-15).
1.8. When installing VaporBlock® Plus™ around pipe penetrations,
vertical columns, electrical ducts and other obstructions, you will
find it necessary to cut it to the nearest outside edge. This cut can
be easily sealed with 12” wide VaporSeal™ tape, by simply centering
it over the cut, 6” on either side. Once the tape is placed correctly,
apply pressure to assure a complete seal (Fig. 16).
Reminder Note: All holes or penetrations through the membrane will need
to be patched with 12” VaporSeal™ Tape.
Fig. 14
Page 4 of 5
Fig. 15
2.1. When installing reinforcing steel and utilities, in addition to the
placement of concrete, take precaution to protect VaporBlock®
Plus™. Carelessness during installation can damage the most
puncture–resistant membrane. Sheets of plywood cushioned with
geotextile fabric temporarily placed on VaporBlock® Plus™ provide
for additional protection in high traffic areas including concrete
buggies.
2.2. Use only brick-type or chair-type reinforcing bar supports to protect
VaporBlock® Plus™ from puncture.
2.3. Avoid driving stakes through VaporBlock® Plus™. If this cannot be
avoided, each individual hole must be repaired per section 1.7.
2.4. To avoid penetrating VaporBlock® Plus™ when installing screed
supports, utilize non-penetrating support, such as the Mako®
Screed Support System (Fig. 17). Avoid driving stakes through
VaporBlock® Plus™. If this cannot be avoided, each individual hole
must be repaired per figures 14-15.
2.5. If a cushion or blotter layer is required in the design between
VaporBlock® Plus™ and the slab, additional care should be given if
sharp crushed rock is used. Washed rock will provide less chance of
damage during placement. Care must be taken to protect blotter layer
from precipitation before concrete is placed.
VaporBlock® Plus™ Gas & Moisture Barrier can be identified on site
as gold/white in color printed in black ink with following logo and
classification listing (Fig. 18)
Page 5 of 5
VaporBlock® Plus™
Gas & Moisture Barrier
Note: To the best of our knowledge, unless otherwise stated, these are typical property values and are intended as guides only, not as specification limits. Chemical resistance, odor transmission, longevity as well as other performance criteria is not implied or given and actual testing must be performed for applicability in specific applications and/or conditions. RAVEN INDUSTRIES MAKES NO WARRANTIES AS TO THE FITNESS FOR A SPECIFIC USE OR MERCHANTABILITY OF PRODUCTS REFERRED TO, no guarantee of satisfactory results from reliance upon contained information or recommendations and disclaims all liability for resulting loss or damage. Limited Warranty available at wwww.RavenEFD.com
ENGINEERED FILMSP.O. Box 5107 Sioux Falls, SD 57117-5107Ph: [phone] • TF: [phone]
[e-mail]
020316 EFD 1127
VAPORBLOCK® PLUS™ PROTECTION
Fig. 16
Fig. 18
Fig. 17
* Patent Pending
© Raven 2016. All Rights Reserved.

Attachment C-2

Drago Wrap Product Specification Sheets & Installation Instructions

P1 OF 2
DRAGO® WRAPVAPOR INTRUSION BARRIER
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
1. PRODUCT NAME
DRAGO WRAP VAPOR INTRUSION BARRIER
2. MANUFACTURER
c/o Stego® Industries, LLC*
216 Avenida Fabricante, Suite 101
San Clemente, CA 92672
Sales, Technical Assistance
Ph: [phone]
Fx: [phone]
www.stegoindustries.com
3. PRODUCT DESCRIPTION
TABLE 4.1: PHYSICAL PROPERTIES OF DRAGO WRAP VAPOR INTRUSION BARRIER
PROPERTY TEST RESULTS
Under Slab Vapor Retarders ASTM E1745 – Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs ASTM E1745 Compliant
Water Vapor Permeance ASTM F1249 – Test Method for Water Vapor Transmission Rate Through Plastic Film and Sheeting Using a Modulated Infrared Sensor 0.0069 perms
Push-Through Puncture ASTM D4833 – Test Method for Index Puncture Resistance of Geotextiles, Geomembranes, and Related Products 183.9 Newtons
Tensile Strength ASTM D882 – Test Method for Tensile Properties of Thin Plastic Sheeting 53.5 lbf/in
Permeance After Conditioning ASTM E154 Section 8, F1249 – Permeance after wetting, drying, and soaking 0.0073 perms(ASTM E1745 ASTM E154 Section 11, F1249 – Permeance after heat conditioning 0.0070 permsSections 7.1.2 - 7.1.5) ASTM E154 Section 12, F1249 – Permeance after low temperature conditioning 0.0062 perms ASTM E154 Section 13, F1249 – Permeance after soil organism exposure 0.0081 perms
Hydrocarbon Attenuation Factors Contact Stego Industries’ Technical Department
Chlorinated Solvent Attenuation Factors Contact Stego Industries’ Technical Department
Methane Transmission Rate ASTM D1434 – Test Method for Determining Gas Permeability Characteristics of 7.0 GTR** Plastic Film and Sheeting (mL(STP)/m2*day)
Radon Diffusion Coefficient K124/02/95 9.8 x 10-14 m2/second
Thickness 20 mil
Roll Dimensions 14' x 105' or 1,470 ft2
Roll Weight 150 lb
Note: perm unit = grains/(ft2*hr*in-Hg) ** GTR = Gas Transmission Rate
USES: Drago Wrap is specifically engineered to attenuate volatile organic compounds (VOCs) and serve as a below-slab
moisture vapor barrier.
COMPOSITION: Drago Wrap is a multi-layered plastic extrusion that combines uniquely designed materials with only
high grade, prime, virgin resins.
ENVIRONMENTAL FACTORS: Drago Wrap can be used in systems for the control of various VOCs including hydrocarbons,
chlorinated solvents, radon, methane, soil poisons, and sulfates.
4. TECHNICAL DATA
Continued... Note – legal notice on page 2.
DRAGO® WRAPVAPOR INTRUSION BARRIER
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
DATA SHEETS ARE SUBJECT TO CHANGE. FOR MOST CURRENT VERSION, VISIT WWW.STEGOINDUSTRIES.COM
[phone] | www.stegoindustries.com
*Stego Industries, LLC (“Stego”) is the exclusive Representative for Drago Wrap and Pango Wrap. All designated trademarks are the intellectual property
of Stego or the entity for which it is acting as a Representative. Installation, Warranty, State Approval Information and Disclosure of Representative Status: www.stegoindustries.com/legal. ©2019 Stego Industries, LLC. All rights reserved.
5. INSTALLATION
UNDER SLAB: Unroll Drago Wrap over a tamped aggregate, sand, or earth base. Overlap all seams a minimum of 12
inches and tape using Drago® Tape. All penetrations must be sealed using a combination of Drago Wrap and Drago
Accessories.
Review Drago Wrap’s complete installation instructions prior to installation.
6. AVAILABILITY & COST
Drago Wrap is available nationally through our network of building supply distributors. For current cost information,
contact your local Drago distributor or Stego Industries’ Sales Representative.
7. WARRANTY
Stego Industries, LLC believes to the best of its knowledge, that specifications and recommendations herein are
accurate and reliable. However, since site conditions are not within its control, Stego Industries does not guarantee
results from the use of the information provided and disclaims all liability from any loss or damage. Stego Technology,
LLC does offer a limited warranty on Drago Wrap. Please see www.stegoindustries.com/legal.
8. MAINTENANCE
Store Drago Wrap in a dry and temperate area.
9. TECHNICAL SERVICES
Technical advice, custom CAD drawings, and additional information can be obtained by contacting Stego Industries or
by visiting the website.
Contact Number: [phone]
Website: www.stegoindustries.com
10. FILING SYSTEMS
• www.stegoindustries.com
P2 OF 2
INSTALLATIONINSTRUCTIONS
DRAGO® WRAP
VAPOR INTRUSION BARRIER
Engineered protection to create a healthy built environment.
2. Unroll Drago Wrap over the area where the slab is to be placed.
Drago Wrap should completely cover the concrete placement
area. All joints/seams should be overlapped a minimum of
12 inches and taped using Drago® Tape. (Fig. 1). If additional
protection is needed, install DragoTack™ Tape in between the
overlapped seam in combination with Drago Tape on top of the
seam.
NOTE: The area of adhesion should be free from dust, dirt, moisture,
and frost to allow maximum adhesion of the pressure-sensitive tape. Ensure that all seams are taped with applied pressure to allow for
maximum and continuous adhesion of the pressure-sensitive Drago Tape. Adhesives should be installed above 40°F. In temperatures
below 40°F, take extra care to remove moisture/frost from the area
of adhesion.
3. ASTM E1643 requires sealing the perimeter of the slab. Extend
vapor retarder over footings and seal to foundation wall or
grade beam at an elevation consistent with the top of the slab
or terminate at impediments such as waterstops or dowels.
Consult the structural and environmental engineer of record
before proceeding.
IMPORTANT: Please read these installation instructions completely, prior to beginning any Drago Wrap installation. The following installation
instructions are generally based on ASTM E1643 – Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders
Used in Contact with Earth or Granular Fill Under Concrete Slabs. There are specific instructions in this document that go beyond what is stated in
ASTM E1643 to take into account vapor intrusion mitigation. If project specifications call for compliance with ASTM E1643, then be sure to review
the specific installation sections outlined in the standard along with the techniques referenced in these instructions.
DRAGO TAPE
Minimum 12” overlap
VAPOR INTRUSION BARRIER
Fig.1: UNDER-SLAB INSTALLATION
DRAGO® WRAP VAPOR INTRUSION BARRIERINSTALLATION INSTRUCTIONS
UNDER-SLAB INSTRUCTIONS:
FOOTING
DRAGOTACK TAPE
VAPOR INTRUSION BARRIER
Fig.2a: SEAL TO PERIMETER WALL Fig. 2b: SEAL TO FOOTING
FOOTING
DRAGOTACK TAPE
VAPOR INTRUSION BARRIER
SEAL TO PERIMETER WALL OR FOOTING WITH DRAGOTACK
TAPE: (Fig. 2a and 2b)
a. Make sure area of adhesion is free of dust,
dirt, debris, moisture, and frost to allow
maximum adhesion.
b. Remove release liner on one side and stick to
desired surface.
c. When ready to apply Drago Wrap, remove the
exposed release liner and press firmly against
DragoTack Tape to secure.
d. If a mechanical seal is needed, fasten a
termination bar over the top of the Drago Wrap
inline with the DragoTack Tape.
NOTE: If sealing to the footing, the footing should receive
a hand float finish to allow for maximum adhesion.
1. Drago Wrap has been engineered to be installed over a tamped aggregate, sand, or earth base. It is not typically necessary
to have a cushion layer or sand base, as Drago Wrap is tough enough to withstand rugged construction environments.
NOTE: Drago Wrap must be installed with the gray facing the subgrade.
P2 of 4
Continued ... Note - legal notice on last page.
DETAIL PATCH FOR PIPE PENETRATION SEALING: (Fig. 4b)a. Install Drago Wrap around pipe penetrations by slitting/cutting material as needed. Try to minimize void space
created.
b. If Drago Wrap is close to pipe and void space is minimized, proceed to step d.
c. If void space exists, then
i. Cut a detail patch to a size and shape that creates a 6-inch overlap on all edges around the void space at
the base of the pipe.
ii. Cut an “X” slightly smaller than the size of the pipe diameter in the center of the detail patch and slide
tightly over pipe.
iii. Tape the edges of the detail patch using Drago Tape.
d. Seal around the base of the pipe using Drago Tape and/or Drago Sealant and Drago Sealant Form.
i. If Drago Sealant is used to seal around pipe, make sure Drago Wrap is flush with the base of the
penetration prior to pouring Drago Sealant.
5. IMPORTANT: ALL PENETRATIONS MUST BE SEALED. All pipe, ducting, rebar, and block outs should be sealed using
Drago Wrap, Drago Tape, and/or Drago® Sealant and Drago® Sealant Form. (Fig. 4a). Drago accessories should be
sealed directly to the penetrations.
DRAGO TAPE
DAMAGED AREA
DRAGO TAPE DRAGO TAPE
SMALL HOLE
VAPOR INTRUSION BARRIER
VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER
Fig. 3: SEALING DAMAGED AREAS
4. In the event that Drago Wrap is damaged during or after installation, repairs must be made. Cut a piece of Drago Wrap
to a size and shape that covers any damage by a minimum of 6 inches in all directions. Clean all adhesion areas of dust,
dirt, moisture, and frost. Tape down all edges using Drago Tape. (Fig. 3)
MINIMAL VOID SPACE CREATED
DRAGO SEALANTDRAGO TAPE
OR DRAGO SEALANT FORM
VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER
Fig. 4a: PIPE PENETRATION SEALING
DRAGO TAPE
LARGE VOID SPACE CREATED
DRAGO SEALANTDRAGO TAPE
OR DRAGO SEALANT FORM
VAPOR INTRUSION BARRIERVAPOR INTRUSION BARRIERVAPOR INTRUSION BARRIER
VAPOR INTRUSION BARRIER
Fig. 4b: DETAIL PATCH FOR PIPE PENETRATION SEALING
Continued ... Note - legal notice on last page.
P3 of 4
DRAGO® WRAP VAPOR INTRUSION BARRIERINSTALLATION INSTRUCTIONS
STEGO INDUSTRIES, LLC • SAN CLEMENTE, CA • 949-257-4100 • 877-464-7834 • www.stegoindustries.com
*Stego Industries, LLC (“Stego”) is the exclusive Representative for Drago Wrap and Pango Wrap. All designated trademarks are the intellectual property of Stego or the entity for which it is acting as a Representative. Installation, Warranty, State Approval Information and Disclosure of Representative Status: www.stegoindustries.com/legal. ©2019 Stego Industries, LLC. All rights reserved. 11/2019
NOTE: While Drago Wrap installation instructions are based on ASTM E1643 - Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs, these instructions are meant to be used as a guide, and do not take into account specific job site situations. Consult local building codes and regulations along with the building owner or owner’s representative before proceeding. If you have any questions regarding the above-mentioned installation instructions or products, please call us at 877-464-7834 for technical assistance. While Stego Industries’ employees and representatives may provide technical assistance regarding the utility of a specific installation practice or Stego product, they are not authorized to make final design decisions.
MULTIPLE PIPE PENETRATION SEALING: (Fig. 5)
NOTE: Multiple pipe penetrations in close proximity may be most efficiently sealed using Drago Wrap, Drago
Sealant, and Drago Sealant Form for ease of installation.
a. Cut a hole in Drago Wrap such that the membrane fits over and around the base of the pipes as closely as
possible, ensuring that it is flush with the base of the penetrations.
b. Install Drago Sealant Form continuously around the entire perimeter of the group of penetrations and at least
1 inch beyond the terminating edge of Drago Wrap.
c. Pour Drago Sealant inside of Drago Sealant Form to create a seal around the penetrations.
d. If the void space between Drago Wrap and the penetrations is not minimized and/or the base course allows for
too much drainage of sealant, a second coat of Drago Sealant may need to be poured after the first application
has cured.
IMPORTANT: AN INSTALLATION COMPLETED PER THESE INSTRUCTIONS SHOULD CREATE A MONOLITHIC MEMBRANE
BETWEEN ALL INTERIOR INTRUSION PATHWAYS AND VAPOR SOURCES BELOW THE SLAB AS WELL AS AT THE SLAB
PERIMETER. THE UNDERLYING SUBBASE SHOULD NOT BE VISIBLE IN ANY AREA WHERE CONCRETE WILL BE PLACED. IF
REQUIRED BY THE DESIGN ENGINEER, ADDITIONAL INSTALLATION VALIDATION CAN BE DONE THROUGH SMOKE TESTING.
Stego Industries* recommends the use of BEAST vapor barrier-safe concrete accessories, to help eliminate the use of non-permanent penetrations in Drago Wrap installations.
MINIMAL VOID SPACE CREATED
DRAGO SEALANT
DRAGO SEALANT FORM DRAGO SEALANT FORM DRAGO SEALANT FORM
DRAGO SEALANT
VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER VAPOR INTRUSION BARRIER
Fig. 5: MULTIPLE PIPE PENETRATION SEALING
BEAST® CONCRETE ACCESSORIES - VAPOR BARRIER SAFE
BEAST® SCREED BEAST® HOOK
P3 of 4
BEAST® FORM STAKE
Locate itand lock it down!Improve efficiency and maintain concrete floor levelness with the BEAST SCREED SYSTEM!
The Stego barrier-safe forming system that prevents punctures in the vapor barrier.
P1 OF 2
DRAGO® TAPE
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 11/27/2019
1. PRODUCT NAME
DRAGO TAPE
2. MANUFACTURER
c/o Stego® Industries, LLC*
216 Avenida Fabricante, Suite 101
San Clemente, CA 92672
Sales, Technical Assistance
Ph: [phone]
Fx: [phone]
www.stegoindustries.com
3. PRODUCT DESCRIPTION
USES: Drago Tape is a low-permeance tape designed for protective sealing, seaming, splicing, and patching applications
where a highly conformable material is required. It has been engineered to bond specifically to Drago® Wrap Vapor
Intrusion Barrier, making it ideal for sealing Drago Wrap seams and penetrations.
COMPOSITION: Drago Tape is a multi-layered plastic extrusion that combines uniquely designed materials with only
high grade, prime, virgin resins, and an acrylic, pressure-sensitive adhesive.
SIZE: Drago Tape is 3.75" x 180'. Drago Tape ships 12 rolls in a case.
4. TECHNICAL DATA
APPLICABLE STANDARDS:
Pressure Sensitive Tape Council (PSTC)
• PSTC 101 – International Standard for Peel Adhesion of Pressure Sensitive Tape
• PSTC 107 – International Standard for Shear Adhesion of Pressure Sensitive Tape
American Society for Testing & Materials (ASTM)
• ASTM E1643 – Standard Practice for Selection, Design, Installation, and Inspection of Water Vapor Retarders
Used In Contact with Earth or Granular Fill under Concrete Slabs.
TABLE 4.1: PHYSICAL PROPERTIES OF DRAGO TAPE
PROPERTY TEST RESULTS
Total Thickness 8 mil
Permeance ASTM F1249 0.031 perms
Tensile Strength MD ASTM D882 20.5 lbf/in
Elongation (at break) MD ASTM D882 702%
180° Peel Adhesion PSTC 101 20-min dwell to Drago Wrap 50.1 oz/in
PSTC 101 24-hour dwell to Drago Wrap 92.9 oz/in
Shear Adhesion PSTC 107 24-hour dwell (1" x 1", 1kg/wt) to Drago Wrap 188 minutes
Note: perm unit = grains/(ft2*hr*in-Hg)
Continued... Note – legal notice on page 2.
DRAGO® TAPE
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 11/27/2019
DATA SHEETS ARE SUBJECT TO CHANGE. FOR MOST CURRENT VERSION, VISIT WWW.STEGOINDUSTRIES.COM
[phone] | www.stegoindustries.com
*Stego Industries, LLC (“Stego”) is the exclusive Representative for Drago Wrap and Pango Wrap. All designated trademarks are the intellectual property
of Stego or the entity for which it is acting as a Representative. Installation, Warranty, State Approval Information and Disclosure of Representative Status: www.stegoindustries.com/legal. ©2019 Stego Industries, LLC. All rights reserved.
5. INSTALLATION
SEAMS: Overlap Drago Wrap a minimum 12 inches and seal with Drago Tape. Make sure the area of adhesion is free
from dust, moisture and frost to allow maximum adhesion of the pressure-sensitive tape.
PIPE PENETRATION SEALING:
• Install Drago Wrap around pipe by slitting/cutting material.
• If void space is minimal, seal around base of pipe with Drago Tape and/or Drago® Sealant and Drago® Sealant Form.
DETAIL PATCH FOR PIPE PENETRATION SEALING:
• Cut a piece of Drago Wrap that creates a 6 inch overlap around all edges of the void space.
• Cut an “X” slightly smaller than the size of the pipe diameter in the center of the detail patch.
• Slide detail patch over pipe, secure tightly.
• Tape down all sides of detail patch with Drago Tape.
• Seal around base of pipe with Drago Tape and/or Drago Sealant and Drago Sealant Form.
Drago Tape should be installed above 40°F. In temperatures below 40°F, take extra care to remove moisture or frost
from the area of adhesion. Ensure that the entirety of all seams are taped with applied pressure to allow for maximum
and continuous adhesion of the pressure-sensitive Drago Tape.
Review Drago Wrap’s complete installation instructions prior to installation.
6. AVAILABILITY & COST
Drago Tape is available nationally through our network of building supply distributors. For current cost information,
contact your local Drago distributor or Stego Industries’ Sales Representative.
7. WARRANTY
Stego Industries, LLC believes to the best of its knowledge, that specifications and recommendations herein are
accurate and reliable. However, since site conditions are not within its control, Stego Industries does not guarantee
results from the use of the information provided and disclaims all liability from any loss or damage. Stego Technology,
LLC does offer a limited warranty on Drago Wrap. Please see www.stegoindustries.com/legal.
8. MAINTENANCE
Store Drago Tape in a dry and temperate area.
9. TECHNICAL SERVICES
Technical advice, custom CAD drawings, and additional information can be obtained by contacting Stego Industries or
by visiting the website.
Contact Number: [phone]
Website: www.stegoindustries.com
10. FILING SYSTEMS
• www.stegoindustries.com
P2 OF 2
P1 OF 2
DRAGOTACK™ TAPE
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
1. PRODUCT NAME
DRAGOTACK TAPE
2. MANUFACTURER
c/o Stego® Industries, LLC*
216 Avenida Fabricante, Suite 101
San Clemente, CA 92672
Sales, Technical Assistance
Ph: [phone]
Fx: [phone]
www.stegoindustries.com
3. PRODUCT DESCRIPTION
TABLE 4.1: PHYSICAL PROPERTIES OF DRAGOTACK TAPE
PROPERTY TEST RESULTS
Dimensions 2" x 50'
Total Thickness 30 mil
Color Grey
Material Synthetic rubber blend
Permeance ASTM F1249 0.03 perms (30 mil) Adhesion to Steel ASTM D1000 12.5 lbs/in width
Chemical Resistance No significant change to(TCE, PCE, Toluene, Xylene) ASTM D471 / D543 mass or volume.
Installation Temperature 40°F / 110°
In Service Temperature Range -20°F / +140°F
VOC Content No VOCs, 100% solids
Note: perm unit = grains/(ft2*hr*in-Hg)
USES: DragoTack Tape is a solvent-resistant, double-sided adhesive strip used to bond and seal Drago® Wrap Vapor
Intrusion Barrier to concrete, masonry, wood, metal, and other surfaces. DragoTack Tape is a flexible and moldable
material to allow for a variety of applications and installations.
COMPOSITION: DragoTack Tape is made from a solvent-resistant blend of synthetic rubber and resins.
SIZE: DragoTack Tape is 2" x 50'. DragoTack Tape ships 12 rolls in a case.
4. TECHNICAL DATA
Continued... Note – legal notice on page 2.
DRAGOTACK™ TAPE
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
DATA SHEETS ARE SUBJECT TO CHANGE. FOR MOST CURRENT VERSION, VISIT WWW.STEGOINDUSTRIES.COM
[phone] | www.stegoindustries.com
*Stego Industries, LLC (“Stego”) is the exclusive Representative for Drago Wrap and Pango Wrap. All designated trademarks are the intellectual property
of Stego or the entity for which it is acting as a Representative. Installation, Warranty, State Approval Information and Disclosure of Representative Status: www.stegoindustries.com/legal. ©2019 Stego Industries, LLC. All rights reserved.
5. INSTALLATION
TO WALLS AND FOOTINGS: Make sure the area of adhesion is free of dust, dirt, debris, moisture, and frost to allow
maximum adhesion. Remove release liner on one side and stick to desired surface. When ready to apply Drago Wrap,
remove the exposed release liner and press Drago Wrap firmly against DragoTack Tape to secure.
Cut DragoTack Tape using a utility knife or scissors. Cut DragoTack Tape before removing the release liner for easier
cutting. Install DragoTack Tape between 40°F and 110°F.
Review Drago Wrap’s complete installation instructions prior to installation.
6. AVAILABILITY & COST
DragoTack Tape is available nationally through our network of building supply distributors. For current cost information,
contact your local Drago distributor or Stego Industries’ Sales Representative.
7. WARRANTY
Stego Industries, LLC believes to the best of its knowledge, that specifications and recommendations herein are
accurate and reliable. However, since site conditions are not within its control, Stego Industries does not guarantee
results from the use of the information provided and disclaims all liability from any loss or damage. Stego Technology,
LLC does offer a limited warranty on Drago Wrap. Please see www.stegoindustries.com/legal.
8. MAINTENANCE
Store DragoTack Tape in a dry and temperate area.
9. TECHNICAL SERVICES
Technical advice, custom CAD drawings, and additional information can be obtained by contacting Stego Industries or
by visiting the website.
Contact Number: [phone]
Website: www.stegoindustries.com
10. FILING SYSTEMS
• www.stegoindustries.com
P2 OF 2
P1 OF 2
DRAGO® SEALANT FORM
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
1. PRODUCT NAME
DRAGO SEALANT FORM
2. MANUFACTURER
c/o Stego® Industries, LLC*
216 Avenida Fabricante, Suite 101
San Clemente, CA 92672
Sales, Technical Assistance
Ph: [phone]
Fx: [phone]
www.stegoindustries.com
3. PRODUCT DESCRIPTION
USES: Drago Sealant Form is used in conjunction with Drago® Sealant to help create an efficient and effective seal
around pipe penetrations in Drago® Wrap Vapor Intrusion Barrier.
COMPOSITION: Drago Sealant Form is a low-density, cross-linked, closed-cell polyethylene foam with an acrylic,
pressure-sensitive adhesive.
SIZE: Drago Sealant Form is ½" x ½" x 24". Drago Sealant Form comes in 200 pieces per case (10 boxes of 20 pieces).
4. TECHNICAL DATA
TABLE 4.1: PHYSICAL PROPERTIES OF DRAGO SEALANT FORM
PROPERTY RESULTS
Dimensions ½” x ½” x 24”
Color White
Weight 0.11 oz (3.1 grams)
Continued... Note – legal notice on page 2.
5. INSTALLATION
PENETRATIONS: Make sure the area of adhesion is free of dust, debris, moisture, and frost to allow maximum adhesion.
When ready to apply to Drago Wrap, remove the release liner and press Drago Sealant Form firmly against Drago Wrap
to secure. Install Drago Sealant Form continuously around the entire perimeter of the penetration(s) and at least 1 inch
beyond the terminating edge of Drago Wrap. Install Drago Sealant Form between 40°F and 110°F. Pour Drago Sealant
inside of Drago Sealant Form to create a seal around the penetration(s).
Review Drago Wrap’s complete installation instructions prior to installation.
6. AVAILABILITY & COST
Drago Sealant Form is available nationally through our network of building supply distributors. For current cost
information, contact your local Drago distributor or Stego Industries’ Sales Representative.
DRAGO® SEALANT FORM
A STEGO TECHNOLOGY, LLC INNOVATION | VAPOR RETARDERS 07 26 00, 03 30 00 | VERSION: 2/22/2019
DATA SHEETS ARE SUBJECT TO CHANGE. FOR MOST CURRENT VERSION, VISIT WWW.STEGOINDUSTRIES.COM
[phone] | www.stegoindustries.com
*Stego Industries, LLC (“Stego”) is the exclusive Representative for Drago Wrap and Pango Wrap. All designated trademarks are the intellectual property
of Stego or the entity for which it is acting as a Representative. Installation, Warranty, State Approval Information and Disclosure of Representative Status: www.stegoindustries.com/legal. ©2019 Stego Industries, LLC. All rights reserved.
7. WARRANTY
Stego Industries, LLC believes to the best of its knowledge, that specifications and recommendations herein are
accurate and reliable. However, since site conditions are not within its control, Stego Industries does not guarantee
results from the use of the information provided and disclaims all liability from any loss or damage. Stego Technology,
LLC does offer a limited warranty on Drago Wrap. Please see www.stegoindustries.com/legal.
8. MAINTENANCE
Store Drago Sealant Form in a dry and temperate area.
9. TECHNICAL SERVICES
Technical advice, custom CAD drawings, and additional information can be obtained by contacting Stego Industries or
by visiting the website.
Contact Number: [phone]
Website: www.stegoindustries.com
10. FILING SYSTEMS
• www.stegoindustries.com
P2 OF 2

Attachment C-3

Big Foot Slotted PVC Pipe Product Specification Sheet

Attachment C-4

Ventilator Specification Sheets

EVECO VENTILATOR
APPROX.EXHAUST
WEIGHT CAPACITY
SIZE GALV.COPPER PACKED 4-MIWIND
(inches)(gauge)(ounces)(pounds)(CFM)
4 26-28 16 3 40
5 26-28 16 3 45
6 26-28 16 3 50
7 26-28 16 4 60
8 26-28 16 4 75
9 26-28 16 5 100
10 26-28 16 5 120
12 26 16 6 170
14 24-26 16 9 280
15 24-26 16 10 325
16 24-26 16 10 375
IB 24-26 16-20 12 450
20 24-26 16-20 14 580
24 22-24 16-20 24 750
30 22-24 16-20 48 1100
36 22-24 20-24 90 1600
The Eveco Ventilator is a single cone
vent, ideal for low cost ventilation.
Thoughthe cost ofthis unit isslight,
itprovides maximum ventilation in ail
types of weather.
SYPHON VENTILATOR
The Empire Syphon Ventilator is a
dependable stationary exhauster
that functions efficiently in the
slightest breeze,its design utilizes
every wind current to create a pow
erful suction through the stack,while
the storm band circling the upper
cone prevents rain from driving into
the ventilator and adds to its exhaust
capacity.Air outlet is more than dou
ble that of the stack area.
APPROX.EXHAUST
WEIGHT CAPACITY
SIZE GALV.COPPER PACKED 4-MIWIND
(Inches)(gauge)(ounces)(pounds)(CFM)
4 26-28 16 7 65
5 26-28 16 7 70
6 26-28 16 8 75
7 26-28 16 9 85
8 26-28 16 10 105
9 26-28 16 11 140
10 26-28 16 12 190
12 26 16 15 275
14 24-26 16-20 21 380
15 24-26 16-20 25 450
16 24-26 16-20 30 500
18 24-26 16-20 35 620
20 22-24 20 45 740
24 22-24 20-24 70 1010
Empire Ventilation Equipment Co.,Inc.
35-39 Vernon Boulevard
Long Island City, NY 11106-5195
TEL:[phone]
FAX:[phone]
EMPIRE
Inside Diameter
of Adaptor
3 5/8" [9.21cm]
Diameter
of Vent
4" [10.16cm]
Overall Height
7 3/4" [19.68cm]
Head Width
7 1/2" [19.12cm]
Inside Louvers
4" [10.16cm] High
1/8" [0.32cm] Opening
Seamless Spun Cap
Outside Louvers
4"[10.16cm] High
1/4" [0.64cm] Opening
Active Ventilation Products, Inc.
311 First Street, Newburgh, NY 12550-4857
800-ROOF VENT (766-3836) Ph: 845-565-7770 Fax: [phone]
Website: roofvents.com Email: [e-mail] 5778-6
Net free area
square inches [cm] square foot [meters]
12 [30.48]0.09 [0.03]
Model: AV-3-PVC 3" Diameter Aura Ventilator with PVC Adaptor
This adaptor is designed to retrofit onto PVC pipes schedule 40 & 80

Attachment C-5

Zurn Industries Floor Clean-out Product Specification Sheet
Application
• Easy access to walls and ceilings
• Economical and attractive
Product Features
• High impact styrene plastic with U.V. stabilizers
• Hinged with a removable feature
PA-3000 Access Door Specifications:
Door / Door Frame: 1/8" high impact styrene plastic with U.V. stabilizers
Flush to frame — rounded safety corners, one piece outside flange
with 3/4" deep mounting frame
Standard Latch: Snap latches allow door to fit tightly within frame
Door Hinge: Concealed
Finish: White, with textured exposed surfaces
PA-3000 View of door backP A - 3 0 0 0 P R O D U C T IN F O R M A T I O N
PA3000 STANDARD SIZES
Nominal Door Size W&H Weight per Door
inches mm lbs. kg.
4 X 6 102 X 152 .5 .25___________________________________
6 X 9 152 X 229 .5 .25___________________________________
8 X 8 203 X 203 .5 .25___________________________________
12 X 12 305 X 305 .5 .25___________________________________
14 X 14 356 X 356 .75 .33___________________________________
14 X 29 356 X 737 4 1.87___________________________________
18 X 18 457 X 457 2.25 1___________________________________
22 X 22 559 X 559 4 1.87___________________________________
24 x 24 610 x 610 4.75 2.15___________________________________
Wall or ceiling opening is W + 3/8” ( 9 mm)
For detailed specifications see submittal sheet
FLUSH NONRATED Plastic Access Door
PA-3000
*22 x 22 and 24 x 24 sizes are
designed for wall installation only.
*
*
U.S.A.: [e-mail] / 800.722.0501 CANADA: [e-mail] / 844.228.3671 INTERNATIONAL: [e-mail] / 905.428.2240
MEXICO: [e-mail] / [phone] INDIA / MIDDLE EAST / NORTH AFRICA: [e-mail] / [phone] SITE: www.acudor.com
This document contains proprietary information which is the property of Acudor Products. It shall not be modified, copied, furnished, nor distributed (in whole or in part) without proper authorization. Copyright © 2020 Acudor Products.

Attachment C-6

Wal-Rich Corporation PVC Termination Screen
WAL-RICH CORPORATION • NEW PRODUCT BULLETIN
CALL [phone] · www.wal-rich.com · FAX [phone]
STAINLESS STEEL TERMINATION SCREENS
Ideal for use on high
efficiency heating equipment
Also as condensate trap
screen & vent stack guard.
Patent# D715,409
2202050 2” Stainless Steel Termination Screen
2202052 3” Stainless Steel Termination Screen
2202054 4” Stainless Steel Termination Screen
2202056 6” Stainless Steel Termination Screen
2202060 1” Stainless Steel Termination Screen
Part# Description
made in usa
♦♦♦♦♦Prevent pests, debris, & leaves from entering vent piping
♦♦♦♦♦Push into hub for easy flush installation. No gluing!
♦♦♦♦♦Patented condensate channel prevents buildup & freezing
♦♦♦♦♦Professional grade finish

Attachment C-7

Soil Gas Collector Mat Product Information and Installation Guide

Soil Gas Collector Mat PDS 05-140-1
Safety data for our custom-formed, high-impact polystyrene core is shown below.
RECOMMENDED MAXIMUM OCCUPATIONAL EXPOSURE LIMITS
PHYSICAL DATA FIRE HANDLING MEASURES
ECOLOGICAL INFORMATION & DISPOSAL
Component CAS No. Exposure Limits Hazard Data
OSHA—Pel.
Polystyrene 9003-55-6 None established No hazardous ingredients
Properties Data
Form Molded Sheet
Color Black
Odor None
Boiling Point Not applicable
Melting Point (°F) 270
Flash Point (°F) Not applicable
Flammable Limits (°F) Not applicable
VOC 0%
Volatility <0.75% Moisture
Specific gravity 1.02–1.08
Solubility in Water Not soluable
Properties
Extinguishing Media
Fire Fighting Procedure
Properties
Ecological information
Toxicological
Disposal
Data
Water Spray (except when fire is of electrical origin), Foam, Dry powder, CO2
Self-contained breathingapparatus & suitable protective equipment
Data
Not associated with any
known ecological problems
No negative effects on
humans
Polystyrene recycles well.
Can be disposed of as
solid waste or burned
in a suitable installation
subject to local regulations.
Effluents disposal should
also be in accordance
with local legislation.
www.soilgasmat.com 719-444-0646 [e-mail]
Product Materials
& Safety Information
Made inthe USA
Perfect for Radon Control Systems in new home construction
The economical alternative to aggregate systems—quick and easy installation
STABILITY & REACTIVITY
SPECIAL HANDLING INFORMATION
Properties Data
Stablitity Stable
Incompatibility (Materials to avoid) Can react with strong oxidixers
Hazardous Decomposition Carbon dioxide, carbon monoxide, various hydrocarbons
Conditions to avoid None
Description Information
Handling & Storage Precaution Protect against flame & intense heat. Avoid breathing hot vapors.
Eye Protection, Recommended Use OSHA approved safety glasses when handling
Skin Wash with soap & water. Get medical attention if irritation develops
or persists.
Other Clothing & Equipment Gloves recommended due to sharp edges.
Work Practices, Hygiene Use standard work practices for hygienic safety.
Handling & Storage, Other Store in well-ventillated area. Avoid extreme heat & sources of ignition or
open flame.
Protective Measures, Maintenance Not applicable
www.soilgasmat.com 719-444-0646 [e-mail]
To the best of our knowledge, the information presented herein is accurate.However, it is not a warranty or a guarantee and is provided for reference only.
Soil Gas Collector Mat PDS 05-140-1
The economical alternative to aggregate systems—quick and easy installation
CUSPATED PLASTIC
COVER FABRIC
Material Physical Properties
Property Test Method Value
Specific Gravity (g/cc) ASTM D-792 1.04
Melt Flow @ 200°C/5000g (g/10 min) ASTM D-1238 2.5
Tensile Strength @ Yield (psi) ASTM D-638 2,900
Tensile Modulus (psi) ASTM D-638 275,000
Elongation @ Break (%) ASTM D-638 70
Flexural Modulus (psi) ASTM D-790 300,000
Impact Strength, Notched Izod @ 73°F (ft-lb/in) ASTM D-256 2.1
Heat Deflection Temperature @ 264 psi (°F) ASTM D-648 183
Vicat Softening Point (°F) ASTM D-1525 210
Property Test Method Value
Grab Tensile (lbs) ASTM D4632 130
Elongation (%) ASTM D4632 > 50
Trapezoid Tear (lbs) ASTM D4533 60
Puncture (lbs) ASTM D4833 41
Mullen Burst (psi) ASTM D3786 140
AOS (U.S. sieve number) ASTM D4571 70
Permittivity (sec-1) ASTM D4491 0.8
Permeability (cm/sec) ASTM D4491 0.04
Water Flow (gal/min/sf) ASTM D4491 60
UV Stability (%) ASTM D4355 70
www.soilgasmat.com 719-444-0646 [e-mail]
Product
Data Sheet
Made inthe USA
Perfect for Radon Control Systems in new home construction
The economical alternative to aggregate systems—quick and easy installation
www.soilgasmat.com 719-444-0646 [e-mail]
To the best of our knowledge, the information presented herein is accurate.However, it is not a warranty or a guarantee and is provided for reference only.
BINDING METHOD
Material Physical Properties CONTINUED
Property Test Method Value
External Binder Standard Sewn
Type Stitching Standard Lock Stitch
Type Thread Standard HB92 Nylon
Tensile Strength (lbs) ASTM D4632 11
Thread Gage Standard 2 IOx4 denier
Chemically Impervious Standard MI Natural
Soil Gas Collector Mat PDS 05-140-1
Safety data for our non-woven, spun-bonded, polypropylene, gray geotextile fabric is shown below.
PHYSICAL DATA FIRE HANDLING MEASURES
ECOLOGICAL INFORMATION & DISPOSAL
Properties Data
Form Molded Sheet
Color Black
Odor None
Boiling Point Not applicable
Melting Point (°F) 270
Flash Point (°F) Not applicable
Flammable Limits (°F) Not applicable
Auto ignition temperature Not applicable
Vapor Pressure (Pascal) Not volatile
Density (g/cm3) @20 ºC 0.91
Solubility in Water Not soluable
Thermal decomposition (ºF) Above 570
Properties
Extinguishing Media
Fire Fighting Procedure
Properties
Ecological information
Toxicological
Disposal
Data
Water Spray (except when fire is of electrical origin), Foam, Dry powder of CO2
Self-contained breathingapparatus & suitable protective equipment
Data
Not associated with any
known ecological problems
No negative effects on
humans
Polystyrene recycles well.
Can be disposed of as
solid waste or burned
in a suitable installation
subject to local regulations.
Effluents disposal should
also be in accordance
with local legislation.
www.soilgasmat.com 719-444-0646 [e-mail]
Product Materials
& Safety Information
RECOMMENDED MAXIMUM OCCUPATIONAL EXPOSURE LIMITS
Component CAS No. Exposure Limits Hazard Data
OSHA—Pel.
Polystyrene 9003-07-0 None established No hazardous ingredients
Made inthe USA
Perfect for Radon Control Systems in new home construction
The economical alternative to aggregate systems—quick and easy installation
STABILITY & REACTIVITY
SPECIAL HANDLING INFORMATION
Properties Data
Stablitity Stable
Incompatibility (Materials to avoid) Can react with strong oxidixers, base, or acid
Hazardous Decomposition Carbon dioxide, carbon monoxide, low molecular weight oxygenated organic
Conditions to avoid None
Description Information
Handling & Storage Precaution Avoid breathing hot vapors, oiled mists, and airborne fibers.
Eye Protection, Recommended Use OSHA approved safety glasses when handling rolls
Skin Wash with soap & water. Get medical attention if irritation develops
or persists.
Other Clothing & Equipment Not applicable
Work Practices, Hygiene Use standard work practices for hygienic safety.
Handling & Storage, Other Store rolls In accordance with good material handling practice
Protective Measures, Maintenance Not applicable
www.soilgasmat.com 719-444-0646 [e-mail]
To the best of our knowledge, the information presented herein is accurate.However, it is not a warranty or a guarantee and is provided for reference only.
Soil Gas Collector Mat PDS 05-140-1
Our non-woven, spun-bonded, polypropylene, gray geotextile fabric with the minimum
values shown below.
www.soilgasmat.com 719-444-0646 [e-mail]
Product Materials—
Technical Specifications
& Performance
Property Test Method Value
Grab Tensile Strength (lbs) ASTM D 4632 130
Elongation (%) ASTM D 4632 >50
Trapezoid Tear (lbs) ASTM D 4533 60
Puncture (lbs) ASTM D 4833 41
Mullen Burst (psi) ASTM D 3786 140
AOS (U.S. sieve no.) ASTM D 4751 70
Permittivity (sec-1) ASTM D 4491 0.8
Permeability (cm/sec) ASTM D 4491 0.04
Vertical Water Flow Rate (gal/min/sf) ASTM D 4491 60
UV Stability (%) ASTM D 4355 70
Made inthe USA
Soil Gas Collector Mat PDS 05-140-1
Our custom-formed, high-impact polystyrene core with the minimum values shown below.
www.soilgasmat.com 719-444-0646 [e-mail]
Product Materials—
Technical Specifications
& Performance
Properties Test Method Value
Specific Gravity ASTM D 792 1.04
Melt Flow (g/10min) ASTM D 1238 2.5
Tensile @ Yield (psi) ASTM D 638 2900
Tensile Modulus (psi) ASTM D 638 275,000
Elongation @ Break (%) ASTM D 638 70
Flexural Modulus (psi) ASTM D 790 300,000
Notched Izod @ 73ºF (ft-lb/in) ASTM D 256 2.1
HDT @ 264 psi (ºF) ASTM D 648 183
Vicat Softening Point (ºF) ASTM D 1525 210
Made in
the USA
SOIL GAS COLLECTOR MAT
Installation Guide
Radon Ready New Construction
Time-saving, low-cost solution
Easy Installation
Reduce Liability!
Used in all 50 states and
Internationally
Compliant under multiple codes:
AARST-ANSI, ASTM,
IRC Appendix F,
EPA, HUD, and more!
Simple, modern solution for soil
gases: radon, vapor, and VOCs
www.RadonMat.comPhotos, videos, & more @
MADE IN THE USA
SOIL GAS COLLECTOR MAT FOR RADON READY NEW CONSTRUCTION
According to the US EPA’s model stan-dards for radon control systems in new building construction, a means for col-lecting soil gas should be installed be-neath the slab.
More and more mitigators and buildiers are using PDS’ soil gas collector mat because its installation does not entail any special coordination with plumb-ers or other site contractors. Low pro-file mat saves time as it removes the need for trenching. Just lay radon mat down around the inside perimeter of the foundation, secure it with spikes or landscaping staples, and pour the con-crete.
SGC mat is superior to other mat sys-tems because of its thickness and it has a geotextile fabric cloth surround-ing the entire mat material. This fea-ture eliminates the need to lay a plas-tic barrier or sheet on top of the mat to protect the matrix. Using plastic sheeting can cause concrete cracking due to differential dewatering. The full fabric design greatly enhances both the installation as well as the quality of the concrete slab. When SGC mat is in-stalled below the slab, you’re providing an airspace that intercepts radon--and other soil gases and vapors--before it seeps into the building through the slab. SGC mat also works well as a soil gas collector beneath crawlspace bar-rier due to its low-profile.
WHY & HOW IT WORKS
The matting is a one inch high by twelve inch wide matrix enveloped in a geotextile filter fabric. 90% of the geomatrix is airspace, which means soil gas has room to move to the col-lection point. This creates incredible pressure field extension for post con-struction system activation. The mat can support concrete without com-pressing, yet is extremely lightweight and easy to handle.
This system allows for radon to flow through the filter fabric and into the airspace. The airspace does not clog because the filter fabric retains the underlying gravel and soil. The natural airflow through the mat then channels the radon to the T riser to pipe connec-tion. From there, hazardous gas can be vented safely through the roof of the building.
Another key element of a soil gas col-lection system is attaching the 4” riser to the mat, such that airflow is not restricted at this critical juncture. The soil gas T riser is unique as it has three ports, two redundant mat entries and one PVC connection to outside air. This unique fitting connects all three sides without special connections or fittings. common duct tape and caulk does the trick. 2
ADVANTAGES
NO TRENCHINGNO BACKFILLNO VAPOR BARRIER*

It’s called SOIL gas mat for a reason, Place directly on soil or substrate.
Low-profile (1” thick) gas mat does not require trenching.
SAFETY DATA & PRODUCT DATA SHEETS AVAILABLE @ www.RADONMAT.com 3
INSTALLATION INSTRUCTIONS
1. Begin work on the sub grade (soil or gravel) after the final preparation and
before the concrete is poured. Start with T-Riser(s) and work out to ensure
smooth mat placement. Position the T-Riser(s) in appropriate location(s) and
nail down with a 12” steel nail (T Nail) through precut center hole.
2. Slide mat into flat openings on either end of T-riser with a portion of the fab-
ric around the outside. Tape the fabric to the outside of the T-Riser with duct
tape and staple mat to the ground with landscape staples to ensure soil contact
remains during pour stage.
3. Mat is typically laid out in a rectangular loop in the largest area with branch-
es or legs into smaller areas (FREE plan design at www.radonmat.com). There
is no need to trench the mat. Roll out the SGC mat, smooth it onto the ground.
To avoid wrinkles and buckling, work away from the risers, stapling to the
ground as you go. The mat should be stapled every three to four feet, in addi-
ton to corners, tee junctions & ends.
5. Corners are constructed by peeling back the filter fabric, cutting two ends
of the matrix at 45 degree angles and butting (or overlapping: no more than
1/2”) the matrix together. Pull the filter fabric back and tape into place. Staple
across the joint of the matrix and each leg of the corner. Use a minimum of
four staples at each corner-- two across the joint and one on each leg.
6. The tees for branches and legs are constructed by slitting the fabric of the
main loop at the location desired. Cut the fabric of the branch at the edges and
expose two inces of the matrix. Cut off the exposed matrix and but the ma-
trix of the branch (or overlap 1/2”)to the matrix of the main loop. Pull the flter
fabric of the branch back over the main loop and tape into place. Staple across
joint of the matrix with two staples and one each on the branch and main loop.
Use a minimum of four staples at each tee, two across the joint and one on
each loop and branch.
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7. All openings in the fabric at joints, tee’s, and ends of branches should be
taped to keep out concrete.
8. Stub up a few feet of 4” schedule 40 PVC* from all T risers before pour (or
cover T riser with duct tape). Seal with polyurethene caulk and screws. This
ensures no concrete aggregate enters the riser during slab pour. Be sure to
label “CAUTION RADON REDUCTION SYSTEM” on all pipe. *(6” PVC may be
substituted--for large multifamily projects. Simply cut T riser 4” insert away to
reveal 6” insert).
9. When the building is ready for the vent pipe to be installed above the slab,
fit to pre-stubbed PVC with PVC straight connect. If PVC was not preset, cut
duct tape from riser and insert 4” PVC pipe now. Seal with polyurethene caulk
and secure with screws. Always label “CAUTION RADON REDUCTION SYSTEM”
to avoid confusion on site and for the building occupants.
NOTE: The openings in the riser are laid out at 180 degrees to accomodate
straight runs of mat. However, if the riser is to be placed in a corner, which is
not uncommon, the front of the T can be cut and the SGC mat inserted into
the new opening. The side of the T that is unused should be sealed with tape.
This creates a 90 degree T which will allow corner placement for the riser. Mat
should always enter the T riser from at least two directions and exhaust to pipe
vertically.
SAFETY DATA & PRODUCT DATA SHEETS AVAILABLE @ www.RADONMAT.com 5
MAKING CORNERS AND SPLICES
The mat should be routed around the inside perimeter of the foundation. This
will require occasional corner junctions. Furthermore, splices will have to be
made to join two lengths of mat together. Corners and splices are very easy to
make, and do not require any special fittings. Cut back the filter fabric to reveal
the core material. In the case of a splice, merely overlap the core by at least
one corrugation, replace the cloth, and tape it. Use two landscape staples to
hold the splice in place. In the case of a corner, peel back geotextile fabric and
slice the core of the two adjoining legs at 45 degree angles which mirror each
other; overlap the edges by one corrugation; return grey geotextile fabric, tape
and staple the corner together.
6
CONNECTING THE MAT TO THE
T RISER
A convenient T-riser with dual entry al-
lows for either end of the loop of mat
to be secured to the riser. Slide the mat
into each end of the riser and tape the
edge to prevent wet concrete from en-
tering. Cap the riser to ensure no con-
crete enters. T Riser caps can be pur-
chased in lieu of duct tape. A prestub of
PVC pipe can also serve the same pur-
pose. See steps 8-9 above.
***Due to high product demand, several T riser de-signs have been tested and approved for sale. Your
riser may look different than the one pictured here,
however its function is the same. Ensure you stub
up the PVC pipe and seal all openings with tape so
that concrete does not enter during the pour. Se-cure mat to the ground with staples so riser does
not float.
7
FLAT OUTLET
SGC to PVC transition
SIDE VIEW GOING THRU FOOTER/ INTERMEDIATE WALL
SOIL GAS MAT SOIL GAS MAT
PVC PIPE
FOOTER/INTERMEDIATE WALL/ TRENCH
Soil Gas Mat
TOP VIEW GOING OVER FOOTER/WALL/TRENCH
GRAVEL OR SOIL UNDER MAT
Soil Gas MatSoil Gas Mat 4” sch. 40 PVC PIPE
GRAVEL OR SOIL UNDER MAT
TRENCHTRENCHTRENCH & FOOTER CROSSINGS
IDEAL FOR LONG SPANS8
STEEL SLEEVE
24” (36”) x 1” x 12”
SIDE VIEW GOING THRU FOOTER/ INTERMEDIATE WALL
SOIL GAS MAT SOIL GAS MAT
PVC PIPE
FOOTER/INTERMEDIATE WALL/ TRENCH
Soil Gas Mat
TOP VIEW GOING OVER FOOTER/WALL/TRENCH
GRAVEL OR SOIL UNDER MAT
Soil Gas MatSoil Gas Mat
GRAVEL OR SOIL UNDER MAT
TRENCHTRENCHSTEEL SLEEVE
available in 24” or 36”
STEEL SLEEVE 1” thick
IDEAL SHORT TRENCHES 9
POURING CONCRETE
The filter fabric that comes sewn around the soil gas collector prevents the wet
concrete from entering the mat and reducing its air collection capacity. The
only precaution that needs to be taken is that the fabric is duct taped closed at
seams of splices and corner to sufficiently keep the uncured concrete from en-
tering.
The mat also needs to be secured to the soil with landscape staples to prevent
the concrete from lifting off the soil while it is being applied. Re-enforcing bars
and wire can be laid on top of the mat.
Note: the mat is strong enough (4,300 psf) to withstand concrete workers and
their wheel barrows.
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