40435 – mayflower pipeline incident exxonmobil summary …...2013/04/23 · 40435 – mayflower...
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40435 – Mayflower Pipeline Incident ExxonMobil®
Summary of Air Monitoring Conducted by CTEH®
April 23, 2013 - 24 hour period1
Table 1 Community Summary of Manual Real-Time Air Monitoring
Analyte Count of Readings
Count of Detections
Average Concentration of
Detections
Highest Concentration
Benzene 81 0 N/A <0.05 ppm Hydrogen Sulfide 78 0 N/A < 1 ppm
VOC 80 0 N/A <0.1 ppm
Table 2
Work Area Summary of Manual Real-Time Air Monitoring
Analyte Count of Readings
Count of Detections
Average Concentration of
Detections
Highest Concentration
Benzene 25 0 N/A < 0.05 ppm Hydrogen Sulfide 28 0 N/A < 1 ppm
VOC 29 4 0.4 0.5 ppm
Table 3 Summary of AreaRAE Real-Time Air Monitoring
Unit Analyte Count of Readings
Count of Detections
Average Concentration of
Detections
Highest Concentration
RTU_6 fixed
Hydrogen Sulfide 2603 74† 0.1 0.4 ppm
VOC 2603 0 N/A < 0.1 ppm *Details of elevated chemical detections are provided at the end of this document (None Attached to this Document). †Raw data indicate sensor activity that is below instrument resolution (1 ppm) for Hydrogen Sulfide.
1 Note: The information provided below has not been processed by the QAQC department.
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G
State
Hwy
365
N Ma
in St
State Hwy 89
Dam
Rd
Inter
state
Dr
Miller St
Pine B
luff R
d
Snuggs Cir
Cente
r Rd
Jose
ph R
d
Oak St
Cros
s St
North
side D
r
Scenic Hill Rd
Luke
r Ln
Holly Dr
Main
Durham Rd
Leona Ln
Wheeler
St
Lake F
orrest
Dr
Carro
ll Rd
Craft
on St
Old Sandy Rd
Mallard Cove
Oneil Ln
Ledrick Cir
Bive
ns Ln
Park St
Pine Tree Loop
Stave Mill Ln
Shoreline Dr
Sunbelt Ct
Mark
Dr
Reliance Ct
Lon D
r
Concord Rd
S Ash
more
St
S Starlite Rd
Capps RdFo
wler
Ln
ShaunFredonia Ct
Garrett Ln
Mimo
sa St
State Hwy 89
I- 40
US H
wy 65
US H
wy 65
I- 40
Mayflower Pipeline IncidentExxonMobil
Mayflower, ARFaulkner County
Projection System: UTM Zone 15 Coordinate System: WGS1984
0 1,000 2,000500Feet I
Handheld Real-time MonitoringApril 23, 2013
Legend
G Source! Benzene Detection! Detection! Non-Detection
Print Date: 4/24/2013
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G
N Ma
in St
Dam Rd
State
Hwy
365
Inter
state
DrState Hwy 89 Miller St
Snuggs Cir
Joseph Rd
Oak St
Cros
s St
North
side D
r
Holly Dr
Main
Durham Rd
Lake F
orrest
Dr
Carro
ll Rd
Baker Dr
PoplarCente
r Rd
Ledrick Cir
Elm
Hwy 89
Pine Tree Loop
Craft
on St
Shoreline Dr
Fred
rick C
ir
Sunbelt Ct
Satterfield Rd
Reliance Ct
Mitchell St
Ada Ave
W Starlite Dr
Lakeview Cir
Breva C
ir
Shadell Ln
Fowl
er Ln
Fredonia Ct
Garrett Ln
Mimo
sa St
Mathe
s Ln
W Charma Cv
Poplar St
Snug
gs C
ir
State Hwy 89
I- 40
US H
wy 65
US H
wy 65
I- 40
Mayflower Pipeline IncidentExxonMobil
Mayflower, ARFaulkner County
Projection System: UTM Zone 15 Coordinate System: WGS1984
0 1,000 2,000500Feet I
Handheld Real-time Monitoring Benzene Concentrations
April 23, 2013
Legend
G SourceBenzene Concentration (ppm)! < 0.05! 0.05 - 0.1! 0.11 - 0.5! 0.51 - 1.0! 1.01 - 5.0! > 5.0
Print Date: 4/24/2013
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G
N Ma
in St
State
Hwy
365
Dam Rd
State Hwy 89
Inter
state
Dr
Miller St
Snuggs CirJo
seph
Rd
Oak St
Cros
s St
North
side D
r
Holly Dr
Main
Cente
r Rd
Durham Rd
Lake F
orrest
Dr
Carro
ll Rd
Scenic Hill Rd
Craft
on St
Poplar
Pine B
luff R
d
Ledrick Cir
Elm
Hwy 89
Park St
Pine Tree Loop
Stave Mill Ln
Shoreline Dr
Sunbelt Ct
Satterfield Rd
Reliance CtConcord Rd
Mitchell St
W Starlite Dr
Lakeview Cir
Breva Cir
Fowl
er Ln
ShaunFredonia Ct
Garrett Ln
Mimo
sa St
State Hwy 89
I- 40
US H
wy 65
US H
wy 65
I- 40
Mayflower Pipeline IncidentExxonMobil
Mayflower, ARFaulkner County
Projection System: UTM Zone 15 Coordinate System: WGS1984
0 1,000 2,000500Feet I
Handheld Real-time MonitoringVOC Concentrations
April 23, 2013
Legend
G SourceVOC Concentration (ppm)! < 0.1! 0.1 - 0.5! 0.6 - 1.0! 1.1 - 5.0! 5.1 - 10.0! > 10.0
Print Date: 4/24/2013