10036_South End Transit_Quality Tile Marble Phase II Report FINAL-OCR

DELIVERING SUSTAINABLE SOLUTIONS IN A MORE COMPETITIVE WORLD

Phase II Environmental Site Assessment

Quality Tile and Marble
2401 Dunavant Street
Charlotte, North Carolina
December 2006

ERM NC, PC
8000 Corporate Center Drive
Suite 200
Charlotte, North Carolina 28226

www.erm.com

Cherokee Investment Partners
Phase II Environmental Site Assessment

Quality Tile and Marble
2401 Dunavant Street
Charlotte, Mecklenburg County,
North Carolina
December 2006

Project No. 55685

________________________________
Alan Martin, P.G.
Project Manager

_________________________________
Thomas M. Wilson, P.G.
Principal-In-Charge

ERM NC, PC
8000 Corporate Center Drive
Suite 200
Charlotte, North Carolina 28226
[phone]
[phone] (fax)
http://www.erm.com

ERM NC, PC i QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC
TABLE OF CONTENTS

1.0 INTRODUCTION 1

1.1 BACKGROUND 1

2.0 PHASE II ASSESSMENT ACTIVITIES 1

3.0 ASSESSMENT RESULTS 4

4.0 SUMMARY AND CONCLUSIONS 5
LIST OF FIGURES
Figure 1 Topographic Site Location Map
Figure 2 Site Layout Map
Figure 3 Soil Sample Results Map
Figure 4 Groundwater Sample Results Map
LIST OF TABLES
Table 1 Monitor Well Construction
Table 2 Soil Sample Analytical Results
Table 3 Groundwater Sample Analytical Results
LIST OF APPENDICES
APPENDIX A: Soil Boring Logs
APPENDIX B: Laboratory Analytical Data Sheets

ERM NC, PC 1 QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC
1.0 INTRODUCTION
On October 18 through 20, 2006, ERM NC, PC (ERM) performed a Phase II
Environmental Site Assessment (ESA) on behalf of Cherokee Investment
Partners at the Quality Tile and Marble property (hereafter referred to as
“the subject site“ or “the subject property”) located at 2401 Dunavant
Street, in Charlotte, Mecklenburg County, North Carolina. The purpose of
the Phase II site investigation was to investigate potential areas of concern
identified during a previous Phase I ESA of the site conducted by ERM in
November 2005, as discussed below.

1.1 BACKGROUND
A Phase I ESA was conducted by ERM at the subject property in
November 2005. As indicated in the Phase I ESA report, the existing
structure was constructed in 1963 and occupied by several tenants until
Quality Tile and Marble moved onto the property in 1999. Prior to 1963
the property was wooded. The location of the subject property is
presented on Figure 1. Figure 2 presents the current site layout. The
Phase I ESA identified the following potential environmental concern:

• Several properties within a ¼ mile radius of the subject site were listed
in the database search as sites with documented groundwater or soil
contamination. The topography and suspected regional shallow
groundwater flow direction indicates contamination from these sites
should migrate away from the subject site, however, there is potential
for off-site contamination to adversely impact the subject site.

2.0 PHASE II ASSESSMENT ACTIVITIES
On October 18, 2006, ERM supervised the installation of two direct push
(Geoprobe®) soil borings. One of the direct push soil borings was
converted to a temporary monitor well for purposes of collecting a
groundwater sample and identifying the depth to the water table. Two
soil samples (QTM-SB-1 and QTM-SB-2) and one groundwater sample
(QTM-GW-2) were collected and submitted for laboratory analysis.
The direct push soil borings and temporary monitor wells were installed
by Probe Technology, Inc. of Concord, North Carolina, using direct push,
or Geoprobe® drilling and sampling equipment. The direct push

ERM NC, PC 2 QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC
sampling method uses a small truck or all terrain vehicle mounted
hydraulic jack mechanism to drive a 2-inch diameter hollow steel probe
(macro-core) with a polyethylene soil-sampling sleeve into the ground to
the desired depth prior to sampling. Using the macro-core sampler, soil
samples were collected continuously until the target soil sampling depth
was reached or refusal was met. All downhole sampling equipment was
cleaned via a high-temperature/high-pressure water wash (steam cleaner)
before and between each boring.
Soils were logged in the field by an ERM geologist and screened for the
presence of volatile organic compounds (VOCs) via a photo-ionization
detector (PID) and the headspace field screening method. Soil boring logs
and field screening data and can be referenced in Appendix A. Soil
samples intervals for laboratory analyses were chosen based on PID
readings, visual and olfactory observations and the suspected depth of the
potential concern.
Soil boring QTM-SB-1 was advanced along the western boundary of the
subject property to assess potential impacts to soil and groundwater from
the western adjacent properties. A soil sample was collected at
approximately 2-4 feet below ground surface. A second soil boring (QTM-
SB-2) was advanced along the eastern boundary of the subject property to
assess potential impacts from upgradient eastern off-site sources. A soil
sample was collected from 2 to 4 feet below ground surface. In general,
the shallow soils at the site were comprised of clayey silts grading to fine
sandy silts at depth.
Soil samples were placed in laboratory-supplied sample containers and
then placed in a cooler with ice for storage and delivery to Prism
Laboratories of Charlotte, North Carolina for analyses. Soil samples
collected from the site were analyzed for volatile organic compounds
(VOCs) by Method 8260. ERM and Prism Laboratories adhered to
appropriate chain-of-custody procedures.
Following the completion of soil sample collection, a temporary monitor
well was installed in the QTM-SB-2 boring. The temporary monitor well
was installed at a depth of 26.6 feet below ground surface in boring QTM-
SB-2. This depth represents where the direct push probe encountered
saturated soil for groundwater sampling. Geoprobe refusal was
encountered at 11 feet in the QTM-SB-1 boring and no evidence of
groundwater was observed in the boring. No temporary monitor well
was installed at QTM-SB-1.

ERM NC, PC 3 QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC
The temporary monitor well was installed with 1-inch diameter PVC well
screen and riser, filter sand and bentonite seal in general accordance with
North Carolina Well Construction Standards (15A NCAC 2C). The well
was fitted with a locking, expandable well cap. Following construction,
the new monitor well was developed by purging a minimum of five well
bore volumes from the well utilizing a combination of a new, disposable
bailer and previously decontaminated peristaltic pump. After
development, the monitor well was sampled using low-flow sampling
methods to minimize turbidity present in the sample and to minimize the
volume of groundwater potentially requiring special handling and
disposal procedures. Prior to purging and sampling, depth-to-
groundwater data was recorded for the monitor well. The top of well
casing elevation was determined by surveying techniques and using a
temporary benchmark. Monitor well construction details and
groundwater elevation data are presented in Table 1.
The depth-to-groundwater measured in QTM-GW-2 was 6.8 feet below
ground surface. Based on local land surface topography, the groundwater
flow direction beneath the subject property appears to be to the northwest
toward Dunavant Street.
One groundwater sample was collected from the temporary monitor well
and analyzed for VOCs by Method 8260B and Metals by Methods 6010B
and 7471 to evaluate groundwater quality beneath the subject property.
The sample collected from the temporary well was labeled with an
identification of GW, i.e., the sample collected and labeled QTM-GW-2 is
the groundwater from the boring labeled QTM-SB-2.

ERM NC, PC 4 QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC
3.0 ASSESSMENT RESULTS
Soil analytical results are summarized in Table 2 and groundwater
analytical results are summarized in Table 3. Sample locations and
analytical results are illustrated in Figures 3 and 4 for soil and groundwater,
respectively. Soil boring logs including field screening values are presented
in Appendix A. The laboratory analytical data reports are presented in
Appendix B. For comparison purposes, the soil results are compared to the
North Carolina Department of Environment and Natural Resources
(NCDENR) Division of Water Quality – Aquifer Protection Section’s Soil-to-
Groundwater Cleanup Levels or Division of Waste Management –
Superfund Section Inactive Hazardous Sites Branch Remediation Goals
(IHSB RG) levels. These values are shown in Table 2 of this report, as
applicable. Groundwater analytical results are compared to the North
Carolina Groundwater Standards (NC 15A NCAC 2L 0.0202(g)) which are
identified in Table 3.
Soils
Soil samples (QTM-SB-1 and QTM-SB-2) were submitted to the laboratory
for VOC analyses. Acetone was detected in QTM-SB-1 at concentrations
below all applicable NCDENR remediation goals. No other detectable
concentrations of VOCs were reported in either of the soil samples.
Groundwater
The groundwater level in temporary monitor well QTM-GW-2 was
approximately 6.8 feet below ground surface. The groundwater sample
was submitted to the laboratory for VOC and metals analyses. No VOCs
were detected in the groundwater sample. Low concentrations of barium,
chromium, and lead were detected in the groundwater samples in
concentrations below the applicable North Carolina Groundwater
Standards. The presence of these metals is likely attributable to their
natural occurrence in Piedmont soils.

4.0 SUMMARY AND CONCLUSIONS
On October 18-20, 2006, ERM conducted a Phase II ESA to evaluate
subsurface conditions at the Quality Tile and Marble property located at
2401 Dunavant Street, Charlotte, Mecklenburg County, North Carolina. A
summary of the findings of the Phase II ESA is provided below.
Two soil samples were collected via direct push methods to evaluate soil
quality at the subject property. No VOCs were identified in excess of the
NCDENR Aquifer Protection Section’s Cleanup Levels. One groundwater
sample was collected from a temporary monitor well installed at a soil
boring location. Groundwater flow direction beneath the site appears to
be to the northwest. No VOCs or metals were detected in the
groundwater samples in excess of the North Carolina Groundwater
Standards. Based on these sample results, no additional site investigation
activities appear to be warranted.
ERM NC, PC 5 QUALITY TILE AND MARBLE PHASE II REPORT FINAL.DOC

Figures

Source: Charlotte East, NC 7.5 Minute Topographic Quadrangle; 1988; Contour Interval = 10 feet
Figure
ERM NC, PC
CHARLOTTE, NORTH CAROLINA
QUALITY TILE AND MARBLE
2401 DUNAVANT STREET
SITE LOCATION MAP
1
0 0.1 0.2 0.3 0.4 0.5 mi
SITE
ERM NC, PC 2
Paved Parking
Area
Gravel Parking
Area
Tree Line
Rail Road
Dumpster
Property
Line
Southern Comfort
Heating & Air Conditioning
Gelbach
Design
Southern
Aluminum
Finishing
McGinty
Builders
OSM
SITE MAPQUALITY TILE AND MARBLE
2401 DUNAVANT STREET
CHARLOTTE, NORTH CAROLINA
2400 SOUTH BOULEVARD - VACANT
Not To Scale
FIGURE
ERM NC, PC 3CHARLOTTE, NORTH CAROLINA
SOIL SAMPLE LOCATIONS & RESULTS
QUALITY TILE AND MARBLE
2401 DUNAVANT STREET
Property
Line
Southern Comfort
Heating & Air
Conditioning
Gelbach Design
Southern
Aluminum
Finishing
McGinty
Builders
OSM
QTM-SB-1 (2-4) RG
VOCs
Acetone 0.025 2.81
All other compounds ND NE
QTM-SB-2 (2-4) RG
All VOCs ND NE
QTM-SB-1 (Depth in Feet)) RG
Detected soil contaminant concentrations in mg/kg
with regulatory standards (Maximum Soil
Contaminant Concentrations). Concentrations
above regulatory standards shown in bold font.
Soil Sample Location
ND Not Detected
NE Not Established
2400 SOUTH BOULEVARD - VACANT
Not To Scale
FIGURE
ERM NC, PC 4CHARLOTTE, NORTH CAROLINA
GROUNDWATER SAMPLE LOCATIONS & RESULTS
QUALITY TILE AND MARBLE
2401 DUNAVANT STREET
GEORGIA-
CAROLINA
PRODUCTS
Property
Line
Southern Comfort
Heating & Air
Conditioning
Gelbach Design
Southern
Aluminum
Finishing
McGinty
Builders
OSM
QTM-GW-2 2L STD
All VOCs ND NE
Metals
Barium 40 2,000
Chromium 3.9 50
Lead 1.9 15
All other metals ND NE
QTM-GW-1 Results Summary 2L STD
Detected groundwater contaminant concentrations in µg/L with
regulatory standards. Concentrations above regulatory
standards shown in bold font.
Groundwater Sample Location
ND Not Detected
NE Not Established

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TABLE 2
SOIL SAMPLE ANALYTICAL RESULTS
QUALITY TILE AND MARBLE
2401 DUNAVANT STREET
CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA
Sample ID Date
Depth
(feet BGS)
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QTM-SB-1 10/18/06 2-4 <1 0.025 NE
QTM-SB-2 10/18/06 2-4 <1 ND NE
IHSP RG 1 2,800 NE
Soil-Groundwater Cleanup Level 2 2.81 NE
EPA Region 9 PRG Residential 3 14,127 NE
54,321 NE
Only detected compounds are shown in table
mg/kg = Milligrams per kilogram
BGS = Below ground surface
ND - Not Detected at Method Detection Limit
NE = Not established
J - Estimated value between Reporting Limit and Method Detection Limit
1 - IHSP RG - Inactive Hazardous Sites Program Remediation Goal
2 - Aquifer Protection Section Clean Up Level
3 - EPA Region 9 Preliminary Remediation Goal
Results shown in bold exceed RG levels or Soil-Groundwater Cleanup Level, where applicable
EPA Region 9 PRG Industrial / Commercial 3
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(
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VOLATILE ORGANIC
COMPOUNDS
Method 8260 (mg/kg)

TABLE 3
SUMMARY OF GROUNDWATER SAMPLING RESULTS
QUALITY TILE AND MARBLE
2401 DUNAVANT STREET
CHARLOTTE, MECKLENBURG COUNTY, NORTH CAROLINA
Sample
ID Date
QTM-GW-2 10/20/06 ND 40 3.9 J 1.9 J ND
NC 2L Groundwater Standards NE 2,000 50 15 NE
Only detected compounds are shown in table
µg/L = Micrograms per liter
BGS = Below ground surface
ND - Not Detected at Method Detection Limit
NE = Not established
-- = Not Analyzed
J - Estimated value between Reporting Limit and Method Detection Limit
Results shown in bold exceed North Carolina Groundwater Standard (2L)
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METALS
Method 6010B (µg/L)
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Appendix A
Soil Boring Logs

Stratigraphy Legend Abbreviations
Asphalt/Gravel HA - Hand auger
sandy SILT GP - Geoprobe
clayey SILT TD - Total Depth of Boring
BGS - Below Ground Surface
DTW- Depth to Water
- Designates location of soil sample for lab analysis
Water table level Logged by:Thomas Fisher - ERM
Boring I.D.
Depth
Interval
(feet)
VOCs
(ppm)Gr
a
p
h
i
c

L
o
g
Sample Description
QTM-SB-1 0-0.25 <0.1 Asphalt
10/18/2006 0.25-0.5 <0.1 Gravel
0-4' HA 0.5-11 <0.1 White and Tan fine sandy SILT.
4'-11' GP <0.1
<0.1
<0.1
Boring terminated at 11' due to Geoprobe refusal.
No evidence of ground water observed. No temporary monitor well installed.
QTM-SB-2 0-0.5 <0.1 Gravel
10/18/2006 0.5-6 <0.1 Lt orange clayey SILT with weathered manganese seams
0-4' HA <0.1
4'- 20' GP 6-20 <0.1 Tan fine sandy SILT with weathered manganese seams; saturated at 17'
<0.1
<0.1
<0.1
<0.1
<0.1
Boring terminated at 20' and the well was set at 26.6 BGS.
DTW = 6.76 on October 20, 2006.
SOIL BORING LOGS - Quality Tile and Marble, Charlotte, Mecklenburg County, North Carolina
Mo
n
i
t
o
r

W
e
l
l
Screen
Interval 11.6'-
26.6'
Quality Tile and Marble boring.xls:Boring Log Page 1 of 1 1/4/2007

Appendix B
Laboratory Analytical Data Sheets

This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Springbrook Road -P.O. Box 240543 -Charlotte, NC 28224-0543
Phone: [phone] -Toll Free Number: 1-800/529-6364 -Fax: [phone] Page2of5
Full Servl«i Analytical & Envlronmental SOlutrons
ERM NC, PC
Attn: Jennifer Glien
Suite 200
8000 Corporate Center Drive
Charlotte, NC 28226
#-See Case Narrative
NC Certification No. 402
SC Certification No. 99012
NC Drinking Water Cert. No. 37735
Project ID: S. Blvd.
Level II QC Report
10/30/2006
COG Group Number: G1006532
Date/Time Submitted: 10/19/200612:50
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Springbrook Road - P .0. Box 240543 -Charlotte, NC 28224-0543
Phone: [phone] -Toll Free Number: 1-800/529-6364 -Fax: [phone] Page 3 of 3