WS-4643_15046_CA_LTRRPT_20160405

2725 E. Millbrook Road, Suite 121
Raleigh, NC 27604
Tel: [phone]
Fax: [phone]
www.atcassociates.com
N.C. Engineering License No. C-1598

1

April 5, 2016

Mr. Herbert Berger
North Carolina Department of Environmental Quality
Division of Waste Management
Underground Storage Tank Section
1646 Mail Service Center
Raleigh, North Carolina 27699-1646

Re: Federal/State-Lead Letter Report
Save More #45
1424 North Fayetteville Street
Asheboro, Randolph County, North Carolina
NCDENR Incident No. 15046
ATC Project No. SL1504603

Dear Mr. Berger:

ATC Associates of North Carolina, P.C. (ATC) is pleased to submit this Federal/State-Lead Letter
Report documenting assessment activities performed in February 2016 at the Save More #45 site
located at 1424 North Fayetteville Street in Asheboro, North Carolina. A site topographic map is
included as Figure 1 and a site map depicting pertinent features is included as Figure 2. Assessment
activities were performed based on an August 7, 2015, Task Authorization (TA-3) by the Trust Fund
Branch of the Underground Storage Tank (UST) Section, Division of Waste Management, North
Carolina Department of Environmental Quality (NCDEQ). The work is being performed as part of
the State Lead Contract #N14004i between NCDEQ and ATC.

In preparation of the drilling event, ATC acquired an access agreement from the City of Asheboro in
order to perform assessment activities in the city’s right-of-way (ROW). On February 15, 2016, ATC
mobilized to the site to supervise the installation of monitoring well MW-8. The well is located off
site in the downgradient direction across Rainbow Drive in the City of Asheboro ROW. The purpose
of the monitoring well is to delineate groundwater impacted above Gross Contaminant Levels
(GCLs). Geologic Exploration (GEX) installed the monitoring well using a hand auger and hollow
stem augers to refusal. Upon refusal, GEX attempted to employ air drilling to further advance the
boring; however, the air compressor malfunctioned and the well could not be completed. ATC and
GEX revisited the site on February 19, 2016, to finish well installation activities with an air drilling
rig. The well was advanced to 30 feet below ground surface (bgs) and screened from 15 to 30 feet
bgs. Lithology encountered during the monitoring well installation consisted of clay to a depth of 7
feet bgs at which point a solid structure which resulted in auger refusal was encountered. At 10 feet
bgs partially weathered rock was encountered and extended to 30 feet bgs, at which point the boring
was terminated. ATC believes the solid structure may have been debris in the subsurface. Field
notes documenting well installation activities are included as Appendix A. A soil boring log and well
construction record are included as Appendix B.

TABLES

TABLE 1
WELL CONSTRUCTION AND
GROUNDWATER ELEVATION DATA
SAVE MORE #45
1424 NORTH FAYETTEVILLE STREET
ASHEBORO, NORTH CAROLINA
INCIDENT #15046
11/17/2003 20.45 -- -- 79.55
3/24/2009 23.53 -- -- 76.47
1/20/2015 23.01 22.91 0.10 77.07
11/17/2003 18.58 -- -- 81.15
3/24/2009 21.14 -- -- 78.59
1/20/2015 21.32 -- -- 78.41
11/17/2003 20.36 -- -- 79.76
3/24/2009 23.21 -- -- 76.91
1/20/2015 22.92 -- -- 77.20
11/17/2003 20.50 -- -- 78.49
3/24/2009 23.13 -- -- 75.86
1/20/2015 22.56 -- -- 76.43
11/17/2003 18.52 -- -- 80.15
3/24/2009 21.59 -- -- 77.08
1/20/2015 18.91 -- -- 79.76
11/17/2003 18.75 -- -- 81.27
3/24/2009 21.23 -- -- 78.79
1/20/2015 21.39 -- -- 78.63
MW-7 5/14/2015 15 15-30 30 NS 5/17/2015 23.45 -- -- NM
MW-8 2/19/2016 15 15-30 30 NS 2/23/2016 20.30 -- -- NM
11/17/2003 21.19 -- -- 78.68
3/24/2009 24.33 -- -- 75.54
1/20/2015 23.65 -- -- 76.22
Notes:
3. NS = Not Surveyed
11/13-14/03
10/3/2003
10/3/2003
11/12/2003
11/12/2003
11/12/2003
11/12/2003
Depth to
Free Product
(feet)
Free Product
Thickness
(feet)
MW-6 12 12-27 27 100.02
249-249
99.878580-8580VEW-1
5 5-20 20 98.99
98.67
100.00
10 10-25 25 99.73
100.12238-238
Bottom
of Well
1. For monitoring wells with free product, groundwater elevation is calculated by the following formula: TOC Elevation - Depth to Water + (0.76*Free Product Thickness)
MW-1
MW-2
MW-3
MW-4
MW-5
10 10-25 25
2. NM = Not Measured
Date
Measured
Depth to
Water
(feet)
Top of Casing
Elevation (feet)
Groundwater
Elevation
(feet)
Well ID Date
Installed
Well
Casing
Depth
Screened
Interval
TABLE 2HISTORICAL GROUNDWATER ANALYTICAL RESULTSSAVE MORE #451424 NORTH FAYETTEVILLE STREETASHEBORO, NORTH CAROLINAINCIDENT #15046 3030C10/3/20039,400 970 1,100 1,640 140,000 670 60061160 540-- 7.75,500 11,000 1,2003/22/200912,400 1,010 1,430 2,780 226,000--490BQL BQL1,000--30.1 286,000 9,550 4,6601/20/2015NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP NS/FP10/3/2003 BQL BQL BQL BQL BQL ND BQL BQL BQL BQL -- BQL BQL BQL BQL3/22/2009 BQL BQL BQL BQL BQL -- BQL BQL BQL BQL -- BQL BQL BQL BQL1/20/2015 <0.079 <0.09 <0.092 <0.18 <0.09 <0.18 <0.12 <0.11 <0.094 <0.18 0.17J NA NA NA NA11/17/20033,900 1,300BQL590 62,000ND BQL BQL BQL BQL -- BQL5,100 2,700 1,1003/22/20093,960 1,030BQL910 35,000-- BQL BQL BQL BQL -- 550,300 4,390 1,6501/20/201514,000 1,400 2,600 5,350 19,000 160 760 74 200 1,000 19JNA NA NA NA11/17/20033637 4.1 82 BQL ND9.6BQL 1 22 -- 9.1 290 210 1903/22/200918330.6 28.5 146 BQL --72.211.3 21 134 --33.3 1,650 811 5351/20/20157.40.54 2.3 1.75J <0.09 <0.18133.7 4.4 1.6 <0.08 NA NA NA NA11/17/20039.3BQL BQL BQL 0.81 ND 4 0.83 1.2 BQL -- BQL BQL BQL BQL3/22/2009 BQL BQL BQL BQL BQL -- BQL BQL BQL BQL -- BQL BQL BQL BQL1/20/2015 <0.079 <0.09 <0.092 <0.18 0.62 <0.18 <0.12 <0.11 <0.094 <0.18 0.15J NA NA NA NA11/17/2003 BQL BQL BQL BQL 9.2 ND BQL BQL BQL BQL -- BQL BQL BQL BQL3/22/2009 BQL BQL BQL BQL BQL -- BQL BQL BQL BQL -- BQL BQL BQL BQL1/20/2015 <0.079 <0.09 <0.092 <0.18 0.57 <0.18 <0.12 <0.11 <0.094 <0.18 0.21J NA NA NA NAMW-7 5/17/201522,000 24,000 2,400 11,700 80,000 640<24 62J190 2,200<16NANANANAMW-8 2/23/2016 <0.12 <0.17 <0.13 <0.25 <0.09 <0.18 <0.12 <0.12 <0.13 <0.18 <0.17 NA NA NA NA11/17/2003362.8 BQL BQL26,000 160BQL BQL BQL BQL -- BQL2,600BQL BQL3/22/2009 BQL BQL BQL BQL23,200-- BQL BQL BQL BQL -- BQL15,100BQL BQL1/20/2015 <2 <2.2 <2.3 <4.53,90013 <3 <2.8 <2.4 <2.43.2JNA NA NA NA1 600 600 500 20 70 6 70 70 400 0.7 15 400 700 2005,000 260,000 84,500 85,500 20,000 70,000 6,000 25,000 30,000 28,500 700 15,000 NE NE NENotes:1. MTBE = Methyl Tertiary Butyl Ether2. BQL = Below Quantitation Limit3. ND = Not Detected4. "<" = Not detected at or above the laboratory method dectection limit.5. GCL = Gross Contamination Limit6. NE = Not established7. J = Indicates constituent was detected above laboratory detection limit but below laboratory reporting limit8. Concentrations are reported in ug/L (micrograms per liter = parts per billion (ppb).9. Concentrations in bold equal or exceed the corresponding NCDENR Groundwater Quality 2L Standard (2L Standard).10. -- = Not reported in historical tables11. NA = Not AnalyzedVEW-16200BMW-1MW-2MW-3MW-4MW-5Date CollectedAnalytical MethodIsopropyl Ether2L Standard (ug/l)GCL (ug/l)BenzeneTolueneTotal LeadC5-C8 AliphaticsMTBETetrachloroethyleneEthylbenzeneMW-6MADEP VPH1,2,4-TrimethylbenzeneTotal XylenesWELL IDC9-C-10 AromaticsNaphthaleneIsopropylbenzenen-PropylbenzeneC9-C12 Aliphatics

FIGURES

2725 E. Millbrook Road, Ste 121
Raleigh, NC 27604
[phone]
PROJECT NO: SL1504603
DATE: 3/2016 REVIEWED BY: GA
Save More #45– Incident #15046
1424 North Fayetteville Street
Asheboro, Randolph County, North Carolina
SOURCE: MyTopoMap.com
SCALE: 1” = 825’
FIGURE 1: SITE TOPOGRAPHIC MAP
SITE
N
CAD FILE PREP. BYTYPE CODE REV. BY SCALE PROJECT NO.
TITLE
DATE
NOTES:

APPENDIX A

FIELD NOTES

APPENDIX B

SOIL BORING LOG AND WELL CONSTRUCTION RECORD
Terminated boring at 30 feet below ground surface.
BORING LOG: MW-8
(Page 1 of 1)
Date(s) Drilled : 2/15-19/16
Drilling Contractor : GEX
Drilling Method : Auger and Air Rig
Boring Diameter : 6 Inches
Logged By : Robert Broda
Depth In Feet0
5
10
15
20
25
30 USCSCL
CL
CL
AR
CL GRAPHICDESCRIPTION
Grass and topsoil
Brown silty CLAY, dry
Orange and brown silty CLAY, dry
Brown silty CLAY, dry
Refusal. Potentially debris.
Orange and brown partially weathered rock
End of boring
Elev.: Not Surveyed
Well: MW-8
Grout
Bentonite
Sand Pack
Cover
Casing
Screen
Client: NCDEQ State Lead Program
ATC Project No. SL1504603Asheboro, Randolph County, North Carolina
1424 N Fayetteville Street
Save More #45 - Incident #15046

APPENDIX C

LABORATORY ANALYTICAL REPORT

Page 1 of 17
Table of Contents
Table of Contents
Sample Summary 3
Case Narrative 4
Sample Results 5
16B1001-01 5
Sample Preparation Information 7
QC Data 8
Volatile Organic Compounds by GC/MS 8
B143042 8
Flag/Qualifier Summary 12
Certifications 13
Chain of Custody/Sample Receipt 15
Page 2 of 17
Table of Contents
Page 3 of 17
Table of Contents
Page 4 of 17
Table of Contents
Page 5 of 17
Table of Contents
Page 6 of 17
Table of Contents
Page 7 of 17
Table of Contents
Page 8 of 17
Table of Contents
Page 9 of 17
Table of Contents
Page 10 of 17
Table of Contents
Page 11 of 17
Table of Contents
Page 12 of 17
Table of Contents
Page 13 of 17
Table of Contents
Page 14 of 17
Table of Contents
Page 15 of 17
Table of Contents
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Page 1 of 2
CLIENT NAME:RECEIVED BY:DATE:
1) Was the chain(s) of custody relinquished and signed?Yes X No
2) Does the chain agree with the samples?Yes X No
If not, explain:
3) Are all the samples in good condition?Yes X No
If not, explain:
4) How were the samples received:
On Ice X Direct from Sampling Ambient In Cooler(s)X
Were the samples received in Temperature Compliance of (2-6°C)?Yes X No N/A
Temperature °C by Temp blank Temperature °C by Temp gun 3
5) Are there Dissolved samples for the lab to filter?Yes No X
Who was notified _____________Date ____________Time ___________
6) Are there any RUSH or SHORT HOLDING TIME samples?Yes No X
Who was notified _____________Date ____________Time ___________
Permission to subcontract samples? Yes No
7) Location where samples are stored:(Walk-in clients only) if not already approved
Client Signature: _______________________
8) Do all samples have the proper Acid pH: Yes No N/A X
9) Do all samples have the proper Base pH: Yes No N/A X
10) Was the PC notified of any discrepancies with the CoC vs the samples: Yes N/A X
40 mL vials:# HCl 3 # Methanol Time and Date Frozen:
# Bisulfate # DI Water
# Thiosulfate UnpreservedRev. 4 August 2013
Doc# 277
Encore Other
Dissolved Oxygen bottle Other glass jar
Colisure / bacteria bottle Flashpoint bottle
40 mL Vial - type listed below 3 Perchlorate Kit
250 mL plastic SOC Kit
500 mL Plastic Plastic Bag / Ziploc
1 Liter Plastic 2 oz amber/clear jar
250 mL Amber (8oz amber)4 oz amber/clear jar
500 mL Amber 8 oz amber/clear jar
1 Liter Amber 16 oz amber
2/25/2016
No COC Incl.
Containers received at Con-Test
# of containers # of containers
39 Spruce St.
East Longmeadow, MA. 01028
P: 413-525-2332
F: 413-525-6405
www.contestlabs.com Sample Receipt Checklist
ATC RLF
Page 16 of 17
Table of Contents
Page 2 of 2
Login Sample Receipt Checklist
(Rejection Criteria Listing - Using Sample Acceptance Policy)
Any False statement will be brought to the attention of Client
Question Answer (True/False)Comment
T/F/NA
1) The cooler's custody seal, if present, is intact.
3) Samples were received on ice.
4) Cooler Temperature is acceptable.
5) Cooler Temperature is recorded.
6) COC is filled out in ink and legible.
7) COC is filled out with all pertinent information.
8) Field Sampler's name present on COC.
10) Samples are received within Holding Time.
11) Sample containers have legible labels.
12) Containers are not broken or leaking.
13) Air Cassettes are not broken/open.
14) Sample collection date/times are provided.
15) Appropriate sample containers are used.
16) Proper collection media used.
17) No headspace sample bottles are completely filled.
19) Trip blanks provided if applicable.
21) Samples do not require splitting or compositing.
Doc #277 Rev. 4 August 2013 Log-In Technician Initials: RLF
T
18) There is sufficient volume for all requsted
analyses, including any requested MS/MSDs.
N/A
T
T
Date/Time: 2/25/16 9:38
T
20) VOA sample vials do not have head space or
bubble is <6mm (1/4") in diameter.
T
Who notified of False statements? Date/Time:
T
T
N/A
T
T
T
9) There are no discrepancies between the
sample IDs on the container and the COC.
T
T
T
T
T
T
T
T
T
2) The cooler or samples do not appear to have
been compromised or tampered with.
Page 17 of 17
Table of Contents