HomeMy WebLinkAboutWS-6603_19720_CA_MRP_20160504Groundwater Monitoring Report S&ME Project No. 4305-15-198A
TF-19720 Former Purgasons Grocery, Graham, Alamance County, North Carolina May 4, 2016
i
TABLE OF CONTENTS
1. FEDERAL/STATE-LEAD MONITORING REPORT ......................................... 1
2. EXECUTIVE SUMMARY ....................................................................................... 2
3. SCOPE OF SERVICES ............................................................................................ 3
3.1 Contract Information ........................................................................................... 3
3.2 Approved Scope of Services ............................................................................... 3
4. SITE HISTORY AND CHARACTERIZATION ................................................... 3
4.1 UST Owner and Operator Information ............................................................... 3
4.2 UST Information ................................................................................................. 3
4.3 Description of the UST Release .......................................................................... 3
5. CURRENT SITE ASSESSMENT INFORMATION ............................................. 4
5.1 Current Liquid Levels ......................................................................................... 4
5.2 Groundwater Monitoring Event .......................................................................... 4
5.3 Summary of Groundwater Analytical Results .................................................... 4
5.4 Evaluation of Groundwater Information ............................................................. 4
5.4.1 Current Extent and Severity of Contamination ..................................... 4
5.4.2 Cleanup Levels Achieved ...................................................................... 5
6. CONCLUSIONS AND RECOMMENDATIONS .................................................. 5
FIGURES
1 Vicinity Map
2 Site Map
3 Groundwater Contour Map
4 Groundwater Constituent Map
TABLES
1 UST Owner/Operator Information
2 UST Information
3 Groundwater Elevation Data
4 Summary of Groundwater Analytical Results
APPENDICES
I Photographic Log
II Well Sampling Forms and Field Notes
III Laboratory Analytical Report and Chain-of-Custody Record
Groundwater Monitoring Report S&ME Project No. 4305-15-198A
TF-19720 Former Purgasons Grocery, Graham, Alamance County, North Carolina May 4, 2016
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2. EXECUTIVE SUMMARY
On March 1, 2016, S&ME collected groundwater samples from five groundwater monitor wells
(MW-1 through MW-5) at the Purgason’s Grocery site in Graham, Alamance County, North
Carolina. The laboratory analytical results indicated that no targeted contaminant constituents
were detected in concentrations exceeding their respective North Carolina 15A NCAC 2L
Standards (2L Standards). One constituent (Methyl tert-butyl ether) was detected above its
laboratory detection limits, but below the 2L Standard. The concentration is shown below:
Contaminant
2L
Standard
(µg/L)
Concentration
(µg/L) Well ID Date
Methyl tert-butyl ether 20 11.0 MW-4 3/1/2016
S&ME did not measure free product in the monitor wells sampled (MW-1 through MW-
5). Based upon the historical reports provided to S&ME, free product has not been
reported in any of the monitor wells during previous groundwater sampling events.
Concentrations of methyl tert-butyl ether were below the 2L Standard in monitor well
MW-4 during the March 1, 2016 sampling event (11 µg/L), but was higher than the
October 14, 2015 sampling event (8.9 µg/L).
A receptor survey update and site reconnaissance were conducted on October 14, 2015.
The following sensitive receptors were noted within 1,000 feet of the site:
Distance
from
source (ft)
Municipal
Water
Available
Active Drinking
Water Well
Inactive
Drinking
Water Well
Irrigation
Well
Surface Water
Body
0 – 500 No
Four: (WSW-3,
WSW-4, WSW-5,
WSW-6)
Unknown Unknown Three Ponds:
(P-1, P-2, P-3)
500 – 1000 No
12: (WSW-1,
WSW-2, WSW-7,
WSW-8, WSW-
10 through
WSW-16)
Unknown Unknown None
Based on S&ME’s receptor survey conducted on October 14, 2015, 17 potable water
supply wells were identified within 1,000 feet of the site. Four of these wells are located
within 500 feet of the site. Municipal water is not available to the site and or properties
within 1,000 feet of the site.
S&ME recommends abandoning the groundwater monitoring wells and site closure.
Groundwater Monitoring Report S&ME Project No. 4305-15-198A
TF-19720 Former Purgasons Grocery, Graham, Alamance County, North Carolina May 4, 2016
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3. SCOPE OF SERVICES
3.1 Contract Information
The scope of services for this report was performed in general accordance with S&ME’s
proposal number 43-1500851-A dated February 29, 2016. The scope of services was authorized
by the North Carolina Department of Environmental Quality (NCDEQ’s) Task Authorization
TA#02, dated February 29, 2016, and within contract number N14005i.
3.2 Approved Scope of Services
S&ME’s approved Scope of Services for this Task Authorization included:
Collecting groundwater samples from five monitor wells (MW-1 through MW-5);
Preparing and submitting this report.
These services were completed as proposed.
4. SITE HISTORY AND CHARACTERIZATION
The former Purgason’s Grocery site is located at 4956 NC Highway 54 in Graham, Alamance
County, North Carolina. According to the June 2000 Preliminary Assessment Report prepared
by Geophex, Ltd. (Geophex), the site formerly operated as a grocery with retail petroleum sales.
The on-site structure is currently being utilized as a machine shop. A vicinity map is provided as
Figure 1, and a site map is provided as Figure 2. Photographs of the site taken during the
monitoring event are included in Appendix I.
4.1 UST Owner and Operator Information
According to the Soil and Groundwater Assessment Report prepared by Pyramid Environmental
& Engineering, P.C. (Pyramid) on January 25, 2010, an inspection was performed by NCDENR
in 1993, and the UST system was determined to be out of compliance. The Geophex report
indicates that a notice of intent to close the USTs was filed in April 1998; however, the
owner/operator of the USTs, Janice Purgason, indicated that she lacked the funds to properly
abandon the tanks. The owner/operator information is provided in Table 1.
4.2 UST Information
According to the NCDEQ Registered Underground Storage Tank (RUST) database, four USTs
were installed at the site on September 25, 1992; two 8,000-gallon gasoline, one 2,000-gallon
diesel, and one 500-gallon kerosene. According to the UST Closure Report prepared by
Geophex and dated June 2000, the USTs were closed by removal on March 24 and 25, 2000.
Information about the USTs is provided in Table 2. The locations of the former USTs are shown
in Figure 2.
4.3 Description of the UST Release
According to the UST Closure Report prepared by Geophex in June 2000, the four USTs were
closed by removal by Geophex on March 24 and 25, 2000. Soils removed during the UST
closure were placed back in the excavation following the removal of the USTs. The laboratory
Groundwater Monitoring Report S&ME Project No. 4305-15-198A
TF-19720 Former Purgasons Grocery, Graham, Alamance County, North Carolina May 4, 2016
4
analytical results of post excavation soil samples collected indicated that targeted constituents
were reported at concentrations above their respective maximum soil contaminant concentrations
(MSCCs) in soil samples collected from the diesel and kerosene tank pits.
5. CURRENT SITE ASSESSMENT INFORMATION
5.1 Current Liquid Levels
On March 1, 2016, S&ME personnel measured depth to groundwater in the monitor well
network. Depth to groundwater was measured using an electronic water level indicator, which
emits an audible tone when in contact with water. The depth to groundwater measurements and
the top-of-casing elevations were used to calculate groundwater elevations. Based upon the
groundwater elevations, groundwater flows to the west and southwest. Groundwater elevations
are recorded in Table 3, and a groundwater contour map is presented as Figure 3.
5.2 Groundwater Monitoring Event
On March 1, 2016, after collecting depth to groundwater measurements, S&ME personnel
purged and sampled monitor wells MW-1 through MW-5 using new, disposable polyethylene
bailers. Each well was purged a minimum of three well casing volumes, and the field parameters
temperature, pH, and conductivity were recorded for each casing volume. Copies of the well
sampling forms are provided in Appendix II. Groundwater samples were placed in laboratory-
supplied containers, placed in a cooler on ice, and shipped under standard chain-of-custody
procedure to Con-Test Analytical Laboratory (ConTest) of East Longmeadow, Massachusetts, a
North Carolina certified laboratory. The samples were analyzed for VOCs by EPA Method
6200B.
5.3 Summary of Groundwater Analytical Results
The laboratory analytical results of the groundwater samples collected from monitor wells MW-1
through MW-5 indicated that methyl tert-butyl ether was detected in concentration exceeding the
laboratory reporting limit, but below the 2L Standard in the sample collected from monitor well
MW-4. No other targeted contaminant constituents were detected in the other groundwater
samples collected from the other groundwater monitor wells. A summary of the groundwater
analytical results are presented in Table 4, and shown in Figure 4. A copy of the laboratory
analytical report and chain of custody record is provided in Appendix III.
5.4 Evaluation of Groundwater Information
5.4.1 Current Extent and Severity of Contamination
One monitor well (MW-4) has reported a concentration of methyl-tert butyl ether exceeding the
laboratory detection limit, but below the 2L Standard. Historically, concentrations of methyl
tert-butyl ether have steadily decreased since the over-excavation of approximately 387.7 tons of
contaminated soils and the introduction of PermeOx Plus® in 2011 in the area adjacent to MW-4.
None of the other on-site monitor wells have been impacted with targeted contaminant
constituents in concentrations exceeding the 2L Standards. There have been no detections of
targeted contaminant constituents in monitor wells MW-1 through MW-3 since January 2013
Groundwater Monitoring Report S&ME Project No. 4305-15-198A
TF-19720 Former Purgasons Grocery, Graham, Alamance County, North Carolina May 4, 2016
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(lead in monitor wells MW-2 and MW-4). There have been no detections of VOCs in these
wells since prior to 2011. There have been no detections of targeted contaminant constituents in
MW-5 since January 2013, when lead, sec-butylbenzene, and diethylphthalate were detected.
In 2011, approximately 390 tons of petroleum contaminated soils were excavated from the area
around monitor well MW-4. The laboratory analytical results of post-excavation soil samples
indicated that concentrations of VOCs were below their respective maximum soil contaminant
concentrations (MSCCs). Additional soil excavation was not possible in one direction due to
specific site constraints. Concentrations of targeted contaminant constituents were above their
respective MSCCs in the soil samples collected from this sidewall.
5.4.2 Cleanup Levels Achieved
Soil (soil-to-groundwater maximum soil contaminant concentrations) Yes
Groundwater (2L standard concentrations) Yes
6. CONCLUSIONS AND RECOMMENDATIONS
Based on the current and historical assessment information for the site, the following conclusions
are presented:
1. The UST Incident meets the following conditions for a Low classification:
a. There are 17 water supply wells within 1,000 feet of the source area. Four of
these wells are located within 500 feet of the source area. Historical laboratory
analytical data for samples collected from some of these water supply wells
indicate that there were no detections of targeted contaminant constituents.
b. Municipal water service is not available to the site and properties within 1,000
feet of the site.
c. Contaminant levels in the groundwater are below the 2L Standards.
Based on the above, S&ME recommends abandoning the on-site groundwater monitor wells and
site closure.
TABLES
UST Information Owner/ Operator Dates of Operation
8,000-Gallon Gasoline 1972 - March 2000
8,000- Gallon Gasoline 1972 - March 2000
2,000-Gallon Diesel 1972 - March 2000
500-Gallon Kerosene 1972 - March 2000
Notes:
S&ME Project No. 4305-15-198A
Janice Purgason
Owner/operator information obtained from Underground Storage Tank Closure Report , prepared by Geophex, Ltd. and dated June 2000.
TABLE 1
UST Owner/Operator Information
Former Purgasons Grocery
4956 NC Highway 54
Graham, Alamance County, North Carolina
NCDEQ Incident No. 19720
UST ID
Number Contents Capacity
(gallons)
Tank
Dimensions Date Installed Date Closed Release from
System
1 Diesel 2,000 5.5' x 12'1972 March 2000 Yes
2 Kerosene 500 4' x 6'1972 March 2000 Yes
3 Gasoline 8,000 8' x 21'1972 March 2000 Yes
4 Gasoline 8,000 8' x 21'1972 March 2000 Yes
Notes:
UST information obtained from Underground Storage Tank Closure Report , prepared by Geophex, Ltd. and dated June 2000.
S&ME Project No. 4305-15-198A
TABLE 2
UST Information
Former Purgasons Grocery
4956 NC Highway 54
Graham, Alamance County, North Carolina
NCDEQ Incident No. 19720
Well ID Date Installed
Top of
Casing
Elevation
(ft. rel.)
Total Well
Depth
(ft. TOC)
Casing Depth
(ft. BTOC)
Screened
Interval
(ft. BTOC)
Date Measured
Depth to
Groundwater
(ft. BTOC)
Groundwater
Elevation
(ft. rel.)
1/24/2013 8.61 91.39
1/8/2014 6.22 93.78
10/14/2015 9.85 90.15
3/1/2016 5.18 94.82
1/24/2013 7.90 90.26
1/8/2014 5.86 92.30
10/14/2015 8.50 89.66
3/1/2016 5.13 93.03
1/24/2013 6.31 89.44
1/8/2014 5.20 90.55
10/14/2015 7.17 88.58
3/1/2016 4.70 91.05
1/24/2013 7.30 90.04
1/8/2014 5.89 91.45
10/14/2015 8.07 89.27
3/1/2016 5.26 92.08
1/24/2013 7.07 91.72
1/8/2014 5.18 93.61
10/14/2015 7.61 91.18
3/1/2016 4.40 94.39
Notes:
1. Top of casing elevations obtained from UST Closure Report prepared by Geophex, Ltd., dated June 2000.
2. Depth to water measurments prior to 2014 were obtained fromActive Remediation Monitoring Report prepared by Progress Environmental, dated February 8, 2013.
3. fT-BTOC: feet below top of casing
4. ft. rel.: feet relative
5. --: information not available
--
MW-4 7/8/2011 97.34
32.41 0.0 - 13.0
18.00 ----
MW-5 7/8/2011 98.79 20.00 --
13.0 - 32.41
MW-3 5/11/2000 95.75 37.40 0.0 - 17.0 17.0 - 37.4
MW-2 5/11/2000 98.16
S&ME Project No. 4305-15-198A
MW-1 5/11/2000 100.00 40.00 0.0 - 20.0 20.0 - 40.0
NCDEQ Incident No. 19720
TABLE 3
Monitor Well Construction and Depth to Water Measurements
Former Purgason's Grocery
4956 Highway 54
Graham, Alamance County, North Carolina
Lead by
3030C
Extraction
Constituent of
Concern
Date
Collected
7/26/2011 ND ND ND ND ND ND ND ND
6/1/2012 ND ND ND ND ND ND 1.1J ND
1/24/2013 ND ND ND ND ND ND ND ND
1/8/2014 ND ND ND ND ND ND ND ND
10/14/2015 ND ND ND ND ND NR NR NR
3/1/2016 ND ND ND ND ND NR NR NR
7/26/2011 ND ND ND ND ND ND ND ND
6/1/202 ND ND ND ND ND ND ND ND
1/24/2013 ND ND ND ND ND ND ND 13.4
1/8/2014 ND ND ND ND ND ND ND ND
10/14/2015 ND ND ND ND ND NR NR NR
3/1/2016 ND ND ND ND ND NR NR NR
7/26/2011 ND ND ND ND ND ND ND ND
6/1/2012 ND ND ND ND ND ND ND ND
1/24/2013 ND ND ND ND ND ND ND ND
1/8/2014 ND ND ND ND ND ND ND ND
10/14/2015 ND ND ND ND ND NR NR NR
3/1/2016 ND ND ND ND ND NR NR NR
7/26/2011 24.4 118 2,270 ND ND ND ND ND
6/1/2012 1.6 20.2 272 ND ND ND ND ND
1/24/2013 ND 9.5 153 ND ND ND ND 5.1
1/8/2014 ND 2.8 52.9 ND ND NR NR NR
10/14/2015 ND 0.3 8.9 ND ND NR NR NR
3/1/2016 ND ND 11 ND ND NR NR NR
7/26/2011 ND ND 1.1 2.6 0.62 ND ND ND
6/1/2012 ND ND ND ND 0.95 ND ND ND
1/24/2013 ND ND ND ND 0.29J 1.0J ND 5.2
1/8/2014 ND ND ND ND ND ND ND ND
10/14/2015 ND ND ND ND ND NR NR NR
3/1/2016 ND ND ND ND ND NR NR NR
0.4 70 20 6 70 NE 3 15
400 70,000 20,000 6,000 8,500 NE 170 15,000
Notes:
1. Groundwater data prior to 6/11/2014 is from the Terraquest Groundwater Monitoring Report,dated February 7, 2012.
2. Analytes that are not shown were not detected.
3. Concentrations are reported in micrograms per liter (µg/L).
4. 2L Standard: North Carolina Groundwater Quality Standards: 15A NCAC 2L.0202
5. VOCs: Volatile Organic Compounds.
6. Concentrations exceeding the 2L Standards are shown in Shaded and BOLD fields.
7. Concentrations exceeding the laboratory's reporting limits are shown in BOLD fields.
8. NR: Analysis for sample not requested.
9. NE: Regulatory standard has not been established for the listed constituent.diethylphthalatebis(2-ethylhexyl)phthalateMW-3
MW-1
MW-2 naphthalenesec-butylbenzeneTABLE 4
Summary of Groundwater Analytical Results
Former Purgason's Grocery
4956 Highway 54
Graham, Alamance County, North Carolina
2L Standards
Gross Contamination Levels leadNCDEQ Incident No. 19720
S&ME Project No. 4305-15-198A
MW-5
MW-4
Analytical Method
methyl-tertbutyletherWell ID
1,2-dichlorethanedi-isopropyletherVolatile Organic Compounds (VOCs) by EPA Method 6200B
(µg/L)
Polyaromatic
Hydrocarbons (PAHs) by
EPA Method 625 (µg/L)
FIGURES
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
VICINITY MAP
4956 HWY 54
GRAHAM, NORTH CAROLINA
1" = 2,000'
BTR
APRIL 2016
4305-15-198A
1
A-5900
FORMER PURGASON'S GROCERY TF-19720
2000 4000
(IN FEET)GRAPHIC SCALE
0
(IN FEET)GRAPHIC SCALE
Q:\PROJECTS\2015\4305-15-198A\CAD\A5900.dwg, FIG1, 4/25/2016 11:19:33 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
SITE MAP
4956 HWY 54
GRAHAM, NORTH CAROLINA
1" = 40'
BTR
APRIL 2016
4305-15-198A
2
A-5901
FORMER PURGASON'S GROCERY TF-19720
40 80
(IN FEET)GRAPHIC SCALE
0
(IN FEET)GRAPHIC SCALE
Q:\PROJECTS\2015\4305-15-198A\CAD\A5901.dwg, FIG2, 4/25/2016 11:17:03 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
WATER SUPPLY WELL LOCATION MAP
4956 HWY 54
GRAHAM, NORTH CAROLINA
1" = 400'
BTR
APRIL 2016
4305-15-198A
3
A-5902
FORMER PURGASON'S GROCERY TF-19720
400 800
(IN FEET)GRAPHIC SCALE
0
(IN FEET)GRAPHIC SCALE
Q:\PROJECTS\2015\4305-15-198A\CAD\A5902.dwg, FIG3, 4/25/2016 11:16:43 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
GROUNDWATER CONTOUR MAP
4956 HWY 54
GRAHAM, NORTH CAROLINA
1" = 40'
BTR
APRIL 2016
4305-15-198A
4
A-5903
FORMER PURGASON'S GROCERY TF-19720
40 80
(IN FEET)GRAPHIC SCALE
0
(IN FEET)GRAPHIC SCALE
Q:\PROJECTS\2015\4305-15-198A\CAD\A5903.dwg, FIG4, 4/25/2016 11:16:27 AM, 1:1
DATE:
DRAWN BY:
3201 SPRING FOREST RD, RALEIGH, NC 27616
NC ENGINEER LICENSE #F-0176
SCALE:
PROJECT NO:
FIGURE NO.
WWW.SMEINC.COM
GROUNDWATER CONSTITUENT MAP
4956 HWY 54
GRAHAM, NORTH CAROLINA
1" = 40'
BTR
APRIL 2016
4305-15-198A
5
A-5904
FORMER PURGASON'S GROCERY TF-19720
40 80
(IN FEET)GRAPHIC SCALE
0
(IN FEET)GRAPHIC SCALE
Q:\PROJECTS\2015\4305-15-198A\CAD\A5904.dwg, FIG5, 4/25/2016 11:15:24 AM, 1:1
APPENDICES
APPENDIX I
Photographic Log
Former Purgason’s Grocery
4956 Highway 54, Graham, North Carolina S&ME Project No. 4305-15-198A
Taken by: Bob Bryant Date Taken: 3/1/2016
1
1 View of former Purgason’s Grocery Site 2 View of monitor well MW-1 (view is to the northeast).
3 View of monitor well MW-3 (view is to the east). 4 View of monitor well MW-4 (view is to the north).
MW-1
MW-3
MW-4
APPENDIX II
Well Sampling Forms and Field Notes
APPENDIX III
Laboratory Analytical Report and Chain of Custody Form
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Sample Summary 3
Hits Only Report 4
Case Narrative 6
Sample Results 7
16C0090-01 7
16C0090-02 9
16C0090-03 11
16C0090-04 13
16C0090-05 15
Sample Preparation Information 17
QC Data 18
Volatile Organic Compounds by GC/MS 18
B143860 18
Flag/Qualifier Summary 22
Certifications 23
Chain of Custody/Sample Receipt 25
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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 15 # 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 15 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
3/2/2016
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
S&ME RLF
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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: 3/2/16 10:23
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.
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