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 period 1 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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Page 1: 40435 – Mayflower Pipeline Incident ExxonMobil Summary …...2013/04/23  · 40435 – Mayflower Pipeline Incident ExxonMobil ® Summary of Air Monitoring Conducted by CTEH ® April

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.

Page 2: 40435 – Mayflower Pipeline Incident ExxonMobil Summary …...2013/04/23  · 40435 – Mayflower Pipeline Incident ExxonMobil ® Summary of Air Monitoring Conducted by CTEH ® April

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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

Page 3: 40435 – Mayflower Pipeline Incident ExxonMobil Summary …...2013/04/23  · 40435 – Mayflower Pipeline Incident ExxonMobil ® Summary of Air Monitoring Conducted by CTEH ® April

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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

Page 4: 40435 – Mayflower Pipeline Incident ExxonMobil Summary …...2013/04/23  · 40435 – Mayflower Pipeline Incident ExxonMobil ® Summary of Air Monitoring Conducted by CTEH ® April

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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