RADON SCREENING SURVEY – FOLLOW-UP GEORGIAN FOREST ELEMENTARY
SCHOOL
3100 Regina Drive, Silver Spring, Maryland 20906
EXECUTIVE SUMMARY
Date of Test Report:
Round of Testing:
3/4/16 Follow-Up
Initial
Follow-up
Post Remediation
# Rooms Tested
# Rooms > 4.0 pCi/L:
Low Value:
High Value:
Confirmed Rooms ≥ 4.0 pCi/L US EPA
Action Level
3
0
1.2
3.0
0
Summary of Sampling Events ≥ 4.0 pCi/L
Room
Room 234
GYM
GYM
Room 111
Result (pCi/L)
3/11/16 (Rev 1 Initial)
4.1
2.9 (tampered)
2.2
3.8
Result (pCi/L)
3/4/16 Follow-Up
2.7
1.8
1.2
3.0
Average Result
(pCi/L)
3.4
2.4
1.7
3.4
E
NGIN E E R S
• P
LAN NE R S
• S
C I E N TI S T S
• C
ON S TR UC TI ON
M
AN AG ER S
936 RIDGEBROOK ROAD • SPARKS, MD 21152 • 410-316-7800 • (FAX) 410-316-7935
MCPS RADON TESTING
Executive Summary: Georgian Forest Elementary School
Date of Test Report:
Round of Testing:
# Rooms Tested:
# Rooms ≥ 4.0 pCi/L:
Low Value:
High Value:
3/4/2016
Initial
Follow-up
Post Remediation
3
0
1.2
3.0
Project Status:
Retesting completed; use the average of the initial and re-test results in a room to determine if
remediation is necessary.
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
E
NGIN E E R S
• P
LAN NE R S
• S
C I E N TI S T S
• C
ON S TR UC TI ON
M
AN AG ER S
936 RIDGEBROOK ROAD • SPARKS, MD 21152 • 410-316-7800 • (FAX) 410-316-7935
March 4, 2016
Mr. Richard Cox
Indoor Air Quality Team Leader
Montgomery County Public Schools
850 Hungerford Drive
Rockville, MD 20850
Re:
Radon Testing Services
KCI Job # 12146341.28
Location:
Georgian Forest Elementary School
3100 Regina Drive
Silver Spring, MD 20906
Dear Mr. Cox:
KCI Technologies, Inc. (KCI) is pleased to submit the following report to the Montgomery County Public
Schools (MCPS) pursuant to completing a “short-term” 3 day radon test for the Georgian Forest
Elementary School, located at 3100 Regina Drive in Silver Spring, Maryland 20906 (subject site).
Scope of Services:
KCI conducted radon testing at the subject site to evaluate indoor radon levels relative to the USEPA's
recommended action level of 4.0 picocuries per Liter (pCi/L) - the level at which EPA recommends that
schools take action to reduce the level. KCI conducted the radon testing in accordance with American
Association of Radon Scientists and Technologists (AARST) Protocol for Conducting Measurements of
Radon and Radon Decay Products in Schools and Large Buildings. A National Radon Safety Board
(NRSB) Radon Measurement Specialist (certification #14SS056) supervised the testing. Additional
information on radon management and the health effects of radon exposure is available from
www.montgomerycountymd.gov/dep/air/radon or www.epa.gov/radon.
KCI visited the site on February 8, 2016 and deployed six (6) activated charcoal (AC) radon test kits. KCI
deployed radon test kits in frequently-occupied ground contact rooms, and other areas, (if applicable) in
accordance with AARST guidance. A floor plan map of the building with the test locations is included as
Attachment A of this report.
As a quality control measure, KCI included duplicate samples, field blanks, lab transit blanks, and office
blanks in accordance with AARST recommendations. In addition, KCI submitted six (6) test kits to
Bowser-Morner, Inc. as spike samples. The spiked tests were exposed to a known radon concentration by
Bowser-Morner prior to being returned to the laboratory for analysis.
KCI returned to the site on February 11, 2016 to retrieve the radon sampling test kits. KCI shipped all
radon tests via overnight delivery to Airchek, Inc. for analysis by gamma-ray spectroscopy. Airchek, Inc.
is a NRSB certified analytical laboratory for radon analysis (certification # ARL1402) located at 1936
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
Mr. Richard Cox
March 4, 2016
Page 3
Butler Bridge Road, Mills River, North Carolina.
Evaluation of Testing Conditions:
The operating condition that represents the greatest amount of significantly occupied time for this
building is; heating active, with outdoor temperature averages ≤ 65° F.
KCI concludes that the test period reasonably represents normal conditions when the building is
significantly occupied. Clear characterization of the radon hazard is most likely to be observed under this
normal operating condition. Based on the evaluation of test conditions, this test should reasonably
characterize radon hazards.
KCI also conducted observations of field conditions which could affect the results of the test and
compiled weather data for the testing period. KCI recorded observations of the following conditions in
each room at the time of deployment and collection of the radon test kits:
•
•
•
•
•
•
Indoor temperature,
HVAC Operation,
Dehumidifier operation,
Humidifier operation,
Ceiling fan operation, and
Open windows or doors.
Results:
The results of the radon test analysis indicated the following:
Radon Concentration
≥4.0 piC/L
<4.0 piC/L
Room
none
Result
n/a
See Attachment B
Notes:
D- Duplicate sample
All field blanks, office blanks, and lab transit blanks had test results of less than the laboratory detection
limit of 0.3 pCi/L. Review of the duplicate sample analysis indicates that adequate laboratory
measurement precision was achieved. The Spike sample analysis results indicate the laboratory is
operating within statistical control limits.
The sampling locations, field observations, and analytical results are listed on Table 1 (Attachment B).
The laboratory analytical results are also attached (Attachment C). Laboratory results and exposure data
for the spike samples are also included in Attachment C.
Our professional services have been performed in accordance with customary principles and practices in
the field of industrial hygiene and engineering. If you have any questions or comments regarding this
report, please feel free to contact me at (410) 316-7800.
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
Mr. Richard Cox
March 4, 2016
Page 4
Sincerely,
James M. Moulsdale
Radon Measurement Specialist
KCI Technologies, Inc.
Attachments:
A- Floor Plan with Test Locations
B- Table 1-Radon Test Summary Spreadsheet
C- Laboratory Analytical Results
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
ATTACHMENT A
Floor Plan With Test Locations
ATTACHMENT B
Radon Test Summary Spreadsheet
Table Notes:
AC- Activated Charcoal
ACI- Air Chek, Inc.
D- Duplicate
FB- Field Blank
KCI- KCI Technologies, Inc.
OB- Office Blank*
PM- Project Manager
QC- Quality Control
*Office blanks were submitted at a rate of 1% for all samples deployed in Phase 8 testing. Office
blanks were not submitted under each school individually.
Radon Testing Results
Georgian Forest Elementary School
Test Period: 02/08/16-02/11/16
Kit Number
7730185
7730188
7730184
7730183
Table Note:
* Missing or Compromised Sample
Room / Area
111
234
GYM
GYM
Result
3.0
2.7
1.8
1.2
Radon Testing Results
Georgian Forest Elementary School
Test Period: 02/08/16-02/11/16
Kit Number
7730186
7730187
Table Note:
* Missing or Compromised Sample
QC Type
D (111)
FB (111)
Result
2.3
< 0.3
ATTACHMENT C
Laboratory Analytical Results
February
25, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
GEORGIAN FOREST ELEMENTARY SCHOOL
MAIN
Kit #
7730185
7730186
7730187
7730188
7730183
7730184
Room Id
111
111
111
234
GYM
GYM
Started
2016-02-08 @ 1:00 pm
2016-02-08 @ 1:00 pm
2016-02-08 @ 1:00 pm
2016-02-08 @ 1:00 pm
2016-02-08 @ 1:00 pm
2016-02-08 @ 1:00 pm
Ended
2016-02-11 @ 12:00 pm
2016-02-11 @ 12:00 pm
2016-02-11 @ 12:00 pm
2016-02-11 @ 12:00 pm
2016-02-11 @ 12:00 pm
2016-02-11 @ 12:00 pm
pCi/L
3.0 ± 0.4
2.3 ± 0.4
< 0.3
2.7 ± 0.4
1.2 ± 0.3
1.8 ± 0.4
Analyzed
2016-02-15
2016-02-15
2016-02-15
2016-02-15
2016-02-15
2016-02-15
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
February
25, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
MCPS RADON
PHASE 8
OFFICE BLANKS
Kit #
7729754
7729757
7729758
Room Id
0
0
0
Started
2016-02-08 @ 4:00 pm
2016-02-08 @ 4:00 pm
2016-02-08 @ 4:00 pm
Ended
2016-02-11 @ 5:00 pm
2016-02-11 @ 5:00 pm
2016-02-11 @ 5:00 pm
pCi/L
< 0.3
< 0.3
< 0.3
Analyzed
2016-02-15
2016-02-15
2016-02-15
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
February
23, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
TRANSIT- PHASE 7, 8, 9
NONE
Kit #
7734937
7734946
7734955
7734956
7734959
7734930
7734953
7734954
7734940
7734949
7734948
7734939
7734942
7734929
7734933
7734934
7734936
7734943
7734944
7734935
7734928
7734952
7734947
7734931
7734932
7718520
7718523
7718522
7718521
7734945
7734960
7734958
7734951
7734957
7734938
Room Id
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
33
34
35
4
5
6
7
8
9
Started
2016-02-19 @ 3:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 3:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 3:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 3:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
2016-02-19 @ 4:00 pm
Ended
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
2016-02-22 @ 11:00 am
pCi/L
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
Analyzed
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
2016-02-23
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
February
15, ** LABORATORY ANALYSIS
REPORT **
2016
Spike Sample Laboratory Results
Radon test result report for:
MCPS
Kit #
7718273
7718281
7718282
7718288
7718289
7718291
Room Id
101A
102B
103C
104D
105E
106F
Started
2016-01-30 @ 9:00 am
2016-01-30 @ 9:00 am
2016-01-30 @ 9:00 am
2016-01-30 @ 9:00 am
2016-01-30 @ 9:00 am
2016-01-30 @ 9:00 am
Ended
2016-02-01 @ 9:00 am
2016-02-01 @ 9:00 am
2016-02-01 @ 9:00 am
2016-02-01 @ 9:00 am
2016-02-01 @ 9:00 am
2016-02-01 @ 9:00 am
pCi/L
6.5 ± 0.6
6.4 ± 0.6
6.3 ± 0.6
6.7 ± 0.6
6.6 ± 0.6
6.5 ± 0.6
Analyzed
2016-02-04
2016-02-04
2016-02-04
2016-02-04
2016-02-04
2016-02-04
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
Note: Spike samples are test canisters that are deliberately exposed to a controlled high level of radon in a laboratory.
They provide a quality control measure in the testing process and do NOT reflect radon levels in the building being
tested.
E
NGIN E E R S
 P
LAN NE R S
 S
C I E N TI S T S
 C
ON S TR UC TI ON
M
AN AG ER S
936 RIDGEBROOK ROAD  SPARKS, MD 21152  410-316-7800  (FAX) 410-316-7935
MCPS RADON TESTING
Executive Summary: Georgian Forest Elementary School
Date of Test Report:
Round of Testing:
3/11/2016 (Rev 1)
Initial
Follow-up
Post Remediation
# Rooms Tested:
# Rooms ≥ 4.0 pCi/L:
Low Value:
High Value:
64
1
< 0.3
4.1
Rooms with results ≥ 4.0 pCi/L:
Room 234 (4.1 pCi/L)
Project Status:
Initial testing completed; re-test needed for results ≥ 4.0 pCi/L.
Initial testing completed; missing or compromised samples need re-test.
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
E
NGIN E E R S
 P
LAN NE R S
 S
C I E N TI S T S
 C
ON S TR UC TI ON
M
AN AG ER S
936 RIDGEBROOK ROAD  SPARKS, MD 21152  410-316-7800  (FAX) 410-316-7935
March 11, 2016 (Rev 1)
Mr. Richard Cox
Indoor Air Quality Team Leader
Montgomery County Public Schools
850 Hungerford Drive
Rockville, MD 20850
Re:
Radon Testing Services
KCI Job # 12146341.22
Location:
Georgian Forest Elementary School
3100 Regina Drive
Silver Spring, MD 20906
Dear Mr. Cox:
KCI Technologies, Inc. (KCI) is pleased to submit the following report to the Montgomery County Public
Schools (MCPS) pursuant to completing a “short-term” 3 day radon test for the Georgian Forest
Elementary School, located at 3100 Regina Drive in Silver Spring, Maryland 20906 (subject site).
Scope of Services:
KCI conducted radon testing at the subject site to evaluate indoor radon levels relative to the USEPA's
recommended action level of 4.0 picocuries per Liter (pCi/L) - the level at which EPA recommends that
schools take action to reduce the level. KCI conducted the radon testing in accordance with American
Association of Radon Scientists and Technologists (AARST) Protocol for Conducting Measurements of
Radon and Radon Decay Products in Schools and Large Buildings. A National Radon Safety Board
(NRSB) Radon Measurement Specialist (certification #14SS056) supervised the testing. Additional
information on radon management and the health effects of radon exposure is available from
www.montgomerycountymd.gov/dep/air/radon or www.epa.gov/radon.
KCI visited the site on December 28, 2015 and deployed eighty (80) activated charcoal (AC) radon test
kits. KCI deployed radon test kits in frequently-occupied ground contact rooms, and other areas, (if
applicable) in accordance with AARST guidance. A floor plan map of the building with the test locations
is included as Attachment A of this report.
As a quality control measure, KCI included duplicate samples, field blanks, lab transit blanks, and office
blanks in accordance with AARST recommendations. In addition, KCI submitted six (6) test kits to
Bowser-Morner, Inc. as spike samples. The spiked tests were exposed to a known radon concentration by
Bowser-Morner prior to being returned to the laboratory for analysis.
KCI returned to the site on December 31, 2015 to retrieve the radon sampling test kits. KCI shipped all
radon tests via overnight delivery to Airchek, Inc. for analysis by gamma-ray spectroscopy. Airchek, Inc.
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
Mr. Richard Cox
March 11, 2016
Page 3
is a NRSB certified analytical laboratory for radon analysis (certification # ARL1402) located at 1936
Butler Bridge Road, Mills River, North Carolina.
Evaluation of Testing Conditions:
The operating condition that represents the greatest amount of significantly occupied time for this
building is; heating active, with outdoor temperature averages ≤ 65° F.
KCI concludes that the test period reasonably represents normal conditions when the building is
significantly occupied. Clear characterization of the radon hazard is most likely to be observed under this
normal operating condition. Based on the evaluation of test conditions, this test should reasonably
characterize radon hazards.
KCI also conducted observations of field conditions which could affect the results of the test and
compiled weather data for the testing period. KCI recorded observations of the following conditions in
each room at the time of deployment and collection of the radon test kits:






Indoor temperature,
HVAC Operation,
Dehumidifier operation,
Humidifier operation,
Ceiling fan operation, and
Open windows or doors.
Results:
The results of the radon test analysis indicated the following:
Radon Concentration
≥4.0 piC/L
<4.0 piC/L
Room
234
Result
4.1
See Attachment B
Notes:
D- Duplicate sample
All field blanks, office blank, and lab transit blanks had test results of less than the laboratory detection
limit of 0.3 pCi/L. Review of the duplicate sample analysis indicates that adequate laboratory
measurement precision was achieved. The Spike sample analysis results indicate the laboratory is
operating within statistical control limits.
The sampling locations, field observations, and analytical results are listed on Table 1 (Attachment B).
The laboratory analytical results are also attached (Attachment C). Laboratory results and exposure data
for the spike samples are also included in Attachment C.
Our professional services have been performed in accordance with customary principles and practices in
the field of industrial hygiene and engineering. If you have any questions or comments regarding this
report, please feel free to contact me at (410) 316-7800.
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
Mr. Richard Cox
March 11, 2016
Page 4
Sincerely,
James M. Moulsdale
Radon Measurement Specialist
KCI Technologies, Inc.
Attachments:
A- Floor Plan with Test Locations
B- Table 1-Radon Test Summary Spreadsheet
C- Laboratory Analytical Results
KC I T E C H N O L O G I E S , I N C .
www.kci.com
Employee-Owned Since 1988
ATTACHMENT A
Floor Plan With Test Locations
ATTACHMENT B
Radon Test Summary Spreadsheet
Table Notes:
AC- Activated Charcoal
ACI- Air Chek, Inc.
D- Duplicate
FB- Field Blank
KCI- KCI Technologies, Inc.
OB- Office Blank
PM- Project Manager
QC- Quality Control
Radon Testing Results
Georgian Forest ES
Test Period: 12/28/15-12/31/15
Kit Number
7708586
7708595
7708567
7708573
7708577
7708590
7708558
7708560
7708598
7708585
7708580
7708576
7708542
7708584
7708592
7708587
7708568
7708564
7708565
7708561
7708575
7708538
7708571
7708539
7708570
7708546
7708544
7708550
7708549
7708548
7708540
7708543
7708545
7708519
7708501
7708517
7708502
7708521
7708503
7708504
7708508
7708522
7708523
7708535
7708581
7708554
Table Note:
* Missing or Compromised Sample
Room / Area
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
124
126
201
203
204
205
206
207
208
210
211
213
214
216
217
219
220
222
223
229
234
109A
ALL PURP
Result
0.8
0.7
0.6
< 0.3
< 0.3
< 0.3
< 0.3
0.6
1.6
2.6
2.9
3.8
2.2
2.1
1.6
3.0
< 0.3
1.0
< 0.3
2.1
1.3
1.9
2.0
1.3
1.0
1.3
1.7
1.0
1.2
1.3
1.2
0.9
1.1
1.4
1.2
1.3
1.3
1.3
1.0
1.6
1.1
1.3
2.0
4.1
2.7
0.9
Radon Testing Results
Georgian Forest ES
Test Period: 12/28/15-12/31/15
Kit Number
7708555
7708596
7708537
7708556
7708559
7708589
7708563
7708574
7708579
7708582
7708578
7708588
7708562
7708551
7708599
7708552
7708553
7708600
7708593
7708524
7708536
7708594
Table Note:
* Missing or Compromised Sample
*
Room / Area
ALL PURP
AP OFFICE
BOOK
BUILDING SERVICE
CHILD
CONF 1
CONF 2
GYM
GYM
GYM (tampered)
GYM OFFICE
HEALTH
LTL
MEDIA
MEDIA
MEDIA OFF 1
MEDIA OFF 2
OFFICE
PRINCIPAL
STAFF DEVLP
STAFF LOUNGE
STAFF WORK
Result
0.9
1.2
0.9
< 0.3
< 0.3
0.8
0.8
2.4
2.2
2.9
1.3
1.9
0.6
2.1
2.0
1.8
2.0
1.5
0.9
1.5
< 0.3
0.8
Radon Testing Results
Georgian Forest ES
Test Period: 12/28/15-12/31/15
Kit Number
7708597
7708591
7708541
7708566
7708572
7708516
7708529
7708583
7708569
7708520
7708557
7706571
Table Note:
* Missing or Compromised Sample
QC Type
D (104)
D (115)
D (116)
D (118)
D (121)
D (214)
D (STAFF DEVLP)
D (STAFF LOUNGE)
FB (104)
FB (214)
FB (STAFF LOUNGE)
OB (0)
Result
< 0.3
2.8
0.9
0.7
2.2
1.5
1.4
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
ATTACHMENT C
Laboratory Analytical Results
January
16, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
GEORGIAN FOREST ES
MAIN
Kit #
7706571
7708586
7708595
7708567
7708573
7708597
7708569
7708577
7708590
7708558
7708560
7708598
7708585
7708581
7708580
7708545
7708576
7708542
7708584
7708592
7708591
7708587
7708568
7708541
7708564
7708565
7708566
7708561
7708575
7708572
7708538
7708571
7708539
7708570
7708546
7708544
7708550
Room Id
0
100
101
102
103
104
104
104
105
106
107
108
109
109A
110
210
111
112
113
114
115
115
116
116
117
118
118
119
120
121
121
122
124
126
201
203
204
Started
2015-12-28 @ 5:00 pm
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
Ended
2015-12-31 @ 12:00 pm
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
pCi/L
< 0.3
0.8 ± 0.3
0.7 ± 0.3
0.6 ± 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
0.6 ± 0.3
1.6 ± 0.4
2.6 ± 0.4
2.7 ± 0.4
2.9 ± 0.4
1.1 ± 0.3
3.8 ± 0.5
2.2 ± 0.4
2.1 ± 0.4
1.6 ± 0.4
2.8 ± 0.4
3.0 ± 0.4
< 0.3
0.9 ± 0.3
1.0 ± 0.3
< 0.3
0.7 ± 0.3
2.1 ± 0.4
1.3 ± 0.3
2.2 ± 0.4
1.9 ± 0.4
2.0 ± 0.4
1.3 ± 0.3
1.0 ± 0.3
1.3 ± 0.3
1.7 ± 0.4
1.0 ± 0.3
Analyzed
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
January
16, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
GEORGIAN FOREST ES
MAIN
Kit #
Room Id
7708549
205
7708548
206
7708540
207
7708543
208
7708519
211
7708501
213
7708516
214
7708517
214
7708520
214
7708502
216
7708521
217
7708503
219
7708504
220
7708508
222
7708522
223
7708523
229
7708535
234
7708554
ALL PURP
7708555
ALL PURP
7708596
AP OFFICE
7708537
BOOK
7708556 BUILDING SERVICE
7708559
CHILD
7708589
CONF 1
7708563
CONF 2
7708524
STAFF DEVLP
7708529
STAFF DEVLP
7708574
GYM
7708579
GYM
7708582
GYM
7708578
GYM OFFICE
7708588
HEALTH
7708562
LTL
7708551
MEDIA
7708552
MEDIA OFF 1
7708553
MEDIA OFF 2
7708599
MEDIA
Started
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 1:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 12:00 pm
2015-12-28 @ 12:00 pm
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 9:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 10:00 am
2015-12-28 @ 11:00 am
2015-12-28 @ 10:00 am
Ended
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
pCi/L
1.2 ± 0.3
1.3 ± 0.4
1.2 ± 0.3
0.9 ± 0.3
1.4 ± 0.4
1.2 ± 0.3
1.5 ± 0.3
1.3 ± 0.3
< 0.3
1.3 ± 0.3
1.3 ± 0.4
1.0 ± 0.3
1.6 ± 0.4
1.1 ± 0.3
1.3 ± 0.3
2.0 ± 0.4
4.1 ± 0.5
0.9 ± 0.3
0.9 ± 0.3
1.2 ± 0.3
0.9 ± 0.3
< 0.3
< 0.3
0.8 ± 0.3
0.8 ± 0.3
1.5 ± 0.3
1.4 ± 0.3
2.4 ± 0.4
2.2 ± 0.4
2.9 ± 0.4
1.3 ± 0.3
1.9 ± 0.4
0.6 ± 0.3
2.1 ± 0.4
1.8 ± 0.4
2.0 ± 0.4
2.0 ± 0.4
Analyzed
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
January
16, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
GEORGIAN FOREST ES
MAIN
Kit #
Room Id
Started
7708600
OFFICE
2015-12-28 @ 9:00 am
7708593
PRINCIPAL
2015-12-28 @ 9:00 am
7708557 STAFF LOUNGE 2015-12-28 @ 11:00 am
7708536 STAFF LOUNGE 2015-12-28 @ 11:00 am
7708583 STAFF LOUNGE 2015-12-28 @ 11:00 am
7708594
STAFF WORK 2015-12-28 @ 9:00 am
Ended
2015-12-31 @ 8:00 am
2015-12-31 @ 8:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 9:00 am
2015-12-31 @ 8:00 am
pCi/L
1.5 ± 0.3
0.9 ± 0.3
< 0.3
< 0.3
< 0.3
0.8 ± 0.3
Analyzed
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
2016-01-04
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
January
15, ** LABORATORY ANALYSIS
REPORT **
2016
Radon test result report for:
MCPS PHASE 3 & 4
TRANSIT BLANKS
Kit #
7708218
7708200
7708190
7708189
7708191
7708188
7708197
7708186
7708185
7708184
7708182
7708187
7708199
7708181
7708180
7708183
7708178
7708179
7708177
7708176
7708174
7708173
7708175
7708198
7708172
7708194
7708196
7708193
7708192
7708195
Room Id
TRAMSIT 4
TRANSIT 1
TRANSIT 10
TRANSIT 11
TRANSIT 12
TRANSIT 13
TRANSIT 14
TRANSIT 15
TRANSIT 16
TRANSIT 17
TRANSIT 18
TRANSIT 18
TRANSIT 2
TRANSIT 20
TRANSIT 21
TRANSIT 22
TRANSIT 23
TRANSIT 24
TRANSIT 25
TRANSIT 26
TRANSIT 27
TRANSIT 28
TRANSIT 29
TRANSIT 3
TRANSIT 30
TRANSIT 5
TRANSIT 6
TRANSIT 7
TRANSIT 8
TRANSIT 9
Started
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
2015-12-18 @ 12:00 pm
Ended
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
2015-12-21 @ 12:00 pm
pCi/L
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
< 0.3
Analyzed
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
December
23, ** LABORATORY ANALYSIS
REPORT **
2015
Spike Sample Laboratory Results
Radon test result report for:
MCPS
Kit #
7706380
7706381
7706208
7705132
7706366
7706211
Room Id
101
102
103
104
105
106
Started
2015-12-18 @ 9:00 am
2015-12-18 @ 9:00 am
2015-12-18 @ 9:00 am
2015-12-18 @ 9:00 am
2015-12-18 @ 9:00 am
2015-12-18 @ 9:00 am
Ended
2015-12-21 @ 9:00 am
2015-12-21 @ 9:00 am
2015-12-21 @ 9:00 am
2015-12-21 @ 9:00 am
2015-12-21 @ 9:00 am
2015-12-21 @ 9:00 am
pCi/L
25.2
26.5
27.7
28.6
26.5
26.1
Analyzed
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
2015-12-23
Air Chek, Inc. 1936 Butler Bridge Rd, Mills River, NC 28759-3892 Phone: (828) 684-0893 Fax: (828) 684-8498
Note: Spike samples are test canisters that are deliberately exposed to a controlled high level of radon in a laboratory.
They provide a quality control measure in the testing process and do NOT reflect radon levels in the building being
tested.