mobile ambient air monitoring laboratory (maaml) · mobile ambient air monitoring laboratory: our...

11

The City of HoustonThe City of Houston’’s s Mobile Ambient Air Monitoring Laboratory: Mobile Ambient Air Monitoring Laboratory:

Our Experiences with LocalOur Experiences with Local--Scale Air MonitoringScale Air Monitoring

Mobile Laboratory Program Team:Mobile Laboratory Program Team:James Rhubottom, Jr., Dr. Youjun Qin, Dr. Peter ChenJames Rhubottom, Jr., Dr. Youjun Qin, Dr. Peter Chen

Program ManagerProgram Manager: Dr. Wei: Dr. Wei--Yeong WangYeong Wang

2009 NAAMC 2009 NAAMC --04Nov0904Nov09

22

The Bureau of Air Quality ControlThe Bureau of Air Quality Control’’s (BAQC)s (BAQC) Mobile Ambient Air Monitoring Laboratory Mobile Ambient Air Monitoring Laboratory

(MAAML)(MAAML)

Funding provided by the U.S. EPA and the Houston Endowment, Inc.Funding provided by the U.S. EPA and the Houston Endowment, Inc.

33

Data Logger

Fuel/CarrierGas Supply

Gas Chromatograph

Capillary Column

Dean’s Switch

PLOT Column

Sampling Tower

Mass Spectrometer

Flame IonizationDetector

ModemServer

Thermal Desorber

MeteorologicalTower/GPS

BAQC

MAAML InstrumentationMAAML Instrumentation

PM Monitor

Ozone Monitor

IR/Video Camerasand PID

SUMMA Canisteror Tedlar Bag

44

Meteorological StationMeteorological Station

Wind Speed and DirectionWind Speed and Direction

GPS Position DataGPS Position Data

Relative HumidityRelative Humidity

Atmospheric PressureAtmospheric Pressure

Ozone MonitorOzone Monitor

Particulate MonitorParticulate Monitor

PM 10PM 10

PM 2.5PM 2.5

Particle Size Distribution Graphs (0.3 Particle Size Distribution Graphs (0.3 –– 20 microns)20 microns)

MAAML Instrumentation MAAML Instrumentation -- CapabilitiesCapabilities

55

IR and Video CamerasIR and Video Cameras

GC/FID/MSD Analytical Platform (Field and FixedGC/FID/MSD Analytical Platform (Field and Fixed--Base)Base)

Analysis of calibrated VOCAnalysis of calibrated VOC’’ss

Near realNear real--time ambient air analysestime ambient air analyses

SUMMA canister sampling and analysisSUMMA canister sampling and analysis

Tedlar bag sampling and analysisTedlar bag sampling and analysis

Software library for identification of unknown VOCSoftware library for identification of unknown VOC’’ss

Software SupportSoftware Support

Forward and backward trajectoriesForward and backward trajectories

RealReal--time concentration vs. time series plots for multiple time concentration vs. time series plots for multiple pollutants of interestpollutants of interest

Atmospheric modeling via incorporation of ISC3 modelAtmospheric modeling via incorporation of ISC3 model

MAAML Instrumentation MAAML Instrumentation -- CapabilitiesCapabilities

66

The Case for LocalThe Case for Local--Scale Air MonitoringScale Air Monitoring

The proximity of residential and mixedThe proximity of residential and mixed--use zones to use zones to industrial applications from light to heavy necessitates industrial applications from light to heavy necessitates an action plan for localan action plan for local--scale monitoringscale monitoring

LocalLocal--scale air monitoring can provide a more rapid response to scale air monitoring can provide a more rapid response to unplanned emissions events in support of air quality issuesunplanned emissions events in support of air quality issues

Citizen complaints help Citizen complaints help ““drive the boatdrive the boat”” in directing limited in directing limited resources for monitoring runsresources for monitoring runs

Successes from localSuccesses from local--scale monitoring becomes selfscale monitoring becomes self-- perpetuatingperpetuating

Accomplishments showcase impact of the team approach in Accomplishments showcase impact of the team approach in resource allocationresource allocation

Achievements can also bring about new ventures and Achievements can also bring about new ventures and opportunities to add value to existing air quality improvement opportunities to add value to existing air quality improvement effortsefforts

77

The Case for LocalThe Case for Local--Scale Air Monitoring Scale Air Monitoring –– Part 1Part 1

MAAML deployment at a local metal casting facilityMAAML deployment at a local metal casting facility

88

GIS view GIS view -- MAAML deployment at a local remediation firmMAAML deployment at a local remediation firm

The Case for LocalThe Case for Local--Scale Air Monitoring Scale Air Monitoring –– Part 2Part 2

99

Impacted sites within 1000 feet include:Impacted sites within 1000 feet include:

Daycare & schoolDaycare & school

ChurchChurch

Numerous residential & commercial propertiesNumerous residential & commercial properties

A second school is located 1600 feet from the facilityA second school is located 1600 feet from the facility

Case Study #1 Case Study #1 –– Background InformationBackground Information

Still photo from Fox26 HoustonStill photo from Fox26 Houston

1010

BAQC/MLP notification of fire at facility BAQC/MLP notification of fire at facility –– 1650 04Aug09 1650 04Aug09 (all times CDT) (all times CDT)

MLP arrival with MAAML on site MLP arrival with MAAML on site -- 1725 04Aug091725 04Aug09

Start time for MAAML collection of PM data Start time for MAAML collection of PM data –– 1735 04Aug091735 04Aug09

Start time for MAAML collection of VOC data Start time for MAAML collection of VOC data –– 1730 04Aug091730 04Aug09

Case Study #1 Case Study #1 ––Rapid ResponseRapid ResponseParticulate concentrations measured by GRIMM at CES on 08/04/09

0

30

60

90

120

150

16:4

6

16:5

6

17:0

6

17:1

6

17:2

6

17:3

6

17:4

6

17:5

6

18:0

6

18:1

6

18:2

6

18:3

6

18:4

6

18:5

6

19:0

6

19:1

6

19:2

6

19:3

6

19:4

6

19:5

6

20:0

6

20:1

6

20:2

6

Time (CES)

Part

icul

ates

(ug

m-3)

PM10PM2.5TSP

PM2.5 24h standard

1111

Table 1: Estimated maximum emission rates from scrubbers (lb/hr) Stack A Stack B Area emission 6/18/08~6/20/08 Benzene 0.93 0.15 0.67 (Site A) Styrene 1.94 0.31 1.41 VOC 17.61 2.84 12.74 6/21/08 Benzene 9.2* 301.4* 35.9* (Site C) Styrene 239.4* 7,816.4* 930.7* VOC 865.9* 28269.2* 3365.8* 6/31/08~7/1/08 Benzene 0.03 0.84 0.13 (Site D) Styrene 0.07 1.93 0.29 VOC 0.63 17.67 2.61 * Only two ambient samples analyzed

Case Study #1 Case Study #1 –– ISCST3 Modeling of MAAML DataISCST3 Modeling of MAAML Data

NorthNorth

ISCST3 modeling of MAAML data showing elevated estimated maximumISCST3 modeling of MAAML data showing elevated estimated maximum emissions rates for benzene, styrene, and VOCsemissions rates for benzene, styrene, and VOCs

•• Circles denote Scrubber A (bottom) and B (top)Circles denote Scrubber A (bottom) and B (top)•• Car symbols denote Sites A, B, D, and C (top to Car symbols denote Sites A, B, D, and C (top to bottom)bottom)

1212

Case Study #1 Case Study #1 -- PID Data PlotsPID Data Plots

Yellow 500 Yellow 500 --999 ppb999 ppb Red >1000 ppbRed >1000 ppb

NorthNorth

1313

Case Study #1 Case Study #1 –– IR/Video Stills (Site Survey)IR/Video Stills (Site Survey)

1414

Case Study #1 Case Study #1 –– Particulate Matter DataParticulate Matter Data

Particulate concentrations measured by GRIMM at CES on 08/04/09

0

30

60

90

120

150

16:4

6

16:5

6

17:0

6

17:1

6

17:2

6

17:3

6

17:4

6

17:5

6

18:0

6

18:1

6

18:2

6

18:3

6

18:4

6

18:5

6

19:0

6

19:1

6

19:2

6

19:3

6

19:4

6

19:5

6

20:0

6

20:1

6

20:2

6

Time (CES)

Part

icul

ates

(ug

m-3

)

PM10PM2.5TSP

PM2.5 24h standard

PM concentrations at fence line relative to PM standardsPM concentrations at fence line relative to PM standards

1515GIS view of MAAML deployment at local scrap metal recycling firmGIS view of MAAML deployment at local scrap metal recycling firm

Case Study #2 Case Study #2 –– Response to Citizen ComplaintsResponse to Citizen Complaints

1616

Particulate concentrations measured by GRIMM at CFF recycling plant on 8/14/2009

0.0

20.0

40.0

60.0

80.0

100.0

120.0

140.0

160.0

180.0

200.0

8:21

8:31

8:41

8:51

9:01

9:11

9:21

9:31

9:41

9:51

10:0

1

10:1

1

10:2

1

10:3

1

10:4

1

10:5

1

11:0

1

11:1

1

11:2

1

11:3

1

11:4

1

11:5

1

12:0

1

12:1

1

12:2

1

12:3

1

12:4

1

12:5

1

13:0

1

13:1

1

13:2

1

13:3

1

time (CST)

Part

icul

ate

(ugm

-3)

PM2.5PM10TSP

PM2.5 24hr standatrd

PM10 24hr standard

PM2.5 National Ambient Air Quality Standard Annual Standard

PM concentrations at recycling firm relative to PM standardsPM concentrations at recycling firm relative to PM standards


1717

wind direction and wind speed measured at CFF recycling plant on 8/14/2009

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

28:

25

8:40

8:55

9:10

9:25

9:40

9:55

10:1

0

10:2

5

10:4

0

10:5

5

11:1

0

11:2

5

11:4

0

11:5

5

12:1

0

12:2

5

12:4

0

12:5

5

13:1

0

13:2

5

13:4

0

time (CST)

win

d sp

eed

(m/s

ec)

0

50

100

150

200

250

300

350

win

d di

rect

ion

(deg

ree)

wind speed

wind direction

Wind speed and direction data during monitoring eventWind speed and direction data during monitoring event


1818

MAAML deployment site and PID monitoring points at a local storaMAAML deployment site and PID monitoring points at a local storage drum plant ge drum plant


1919

Time (CST)Time (CST) Sample IDSample ID HexaneHexane TolueneToluene m/pm/p--XyleneXylene oo--XyleneXylene

13:0013:00 am09020913am09020913 18.618.6 13.513.5 8.38.3 2.32.3

15:0015:00 am09020915am09020915 0.20.2 12.012.0 26.826.8 6.66.6

GC/MS data (ppbv) for compounds of interest GC/MS data (ppbv) for compounds of interest -- MAAML monitoring runMAAML monitoring run


2020


MAAML deployment site and resultant wind directions during monitMAAML deployment site and resultant wind directions during monitoring runoring run

2121

Particulate concentrations measured by GRIMM at Mauser on 09/02/09

0

100

200

300

400

500

600

700

7:38

8:03

8:28

8:53

9:18

9:43

10:0

8

10:3

3

10:5

8

11:2

3

11:4

8

12:1

3

12:3

8

13:0

3

13:2

8

13:5

3

14:1

8

14:4

3

15:0

8

15:3

3

15:5

8

Time (CST)

Part

icul

ate

(ug

m-3)

PM2.5

PM10

TSP

PM10 24h standard

Graph of PM concentration vs. time Graph of PM concentration vs. time -- MAAML monitoring runMAAML monitoring run


2222

Wind direction and Wind speed measured at Mauser on 09/02/09

0

1

2

3

4

5

6

7

8

9

10

7:38

8:03

8:28

8:53

9:18

9:43

10:0

8

10:3

3

10:5

8

11:2

3

11:4

8

12:1

3

12:3

8

13:0

3

13:2

8

13:5

3

14:1

8

14:4

3

15:0

8

15:3

3

15:5

8

Time (CST)

Win

d Sp

eed

(mph

)

03060

90120150180

210240270300

330360

Win

d D

irec

tion

(deg

ree)

WSWD

Graph of wind speed and direction vs. time Graph of wind speed and direction vs. time -- MAAML monitoring runMAAML monitoring run


2323

LocalLocal--Scale Air Monitoring Scale Air Monitoring -- ConclusionsConclusions

The proximity of residential and mixedThe proximity of residential and mixed--use zones to use zones to industrial applications from light to heavy necessitates industrial applications from light to heavy necessitates an action plan for localan action plan for local--scale monitoringscale monitoring

LocalLocal--scale air monitoring can provide a more rapid response to scale air monitoring can provide a more rapid response to unplanned emissions events in support of air quality issuesunplanned emissions events in support of air quality issues

Citizen complaints help Citizen complaints help ““drive the boatdrive the boat”” in directing limited in directing limited resources for monitoring runsresources for monitoring runs

Successes from localSuccesses from local--scale monitoring becomes selfscale monitoring becomes self-- perpetuatingperpetuating

Accomplishments showcase impact of the team approach in Accomplishments showcase impact of the team approach in resource allocationresource allocation

Achievements can also bring about new ventures and Achievements can also bring about new ventures and opportunities to add value to existing air quality improvement opportunities to add value to existing air quality improvement effortsefforts

2424

The Future of LocalThe Future of Local--Scale Monitoring Scale Monitoring –– BAQC BAQC

An recent agreement between the City of Houston and An recent agreement between the City of Houston and the County Attorneythe County Attorney’’s Office for Harris County allows for s Office for Harris County allows for expansion of the MAAMLexpansion of the MAAML’’s locals local--scale monitoringscale monitoring

More Bureau resources can assist in addressing air quality More Bureau resources can assist in addressing air quality problems outside City limits that impact Houston residents problems outside City limits that impact Houston residents

Recognition of Bureau successes including numerous MAAML Recognition of Bureau successes including numerous MAAML monitoring runs emphasizes the value other agencies have seen monitoring runs emphasizes the value other agencies have seen in the Cityin the City’’s approach to air quality issuess approach to air quality issues

The BureauThe Bureau’’s incorporation of the MAAML as a vehicle s incorporation of the MAAML as a vehicle for enhancing the investigation of CAA violations and for enhancing the investigation of CAA violations and citizen complaints reflects what the MAAML can provide citizen complaints reflects what the MAAML can provide in the area of localin the area of local--scale air monitoring.scale air monitoring.

2525

AcknowledgementsAcknowledgements

U.S. EPA, Region 6U.S. EPA, Region 6

U.S. EPAU.S. EPA

Texas Commission on Environmental QualityTexas Commission on Environmental Quality

Houston Endowment, Inc.Houston Endowment, Inc.

Houston Advanced Research Center (HARC)Houston Advanced Research Center (HARC)

Providence Engineering, LLPProvidence Engineering, LLP

Quantum AnalyticsQuantum Analytics

Agilent TechnologiesAgilent Technologies

Met One Instruments, Inc.Met One Instruments, Inc.

Stephen Williams, M.Ed., M.P.A. Stephen Williams, M.Ed., M.P.A. –– Director HDHHSDirector HDHHS

Arturo Blanco, M.P.A. Arturo Blanco, M.P.A. –– Chief, BAQCChief, BAQC

2626

MLP Personnel ContactsMLP Personnel Contacts

Dr. WeiDr. Wei--Yeong Wang: Yeong Wang: [email protected]@cityofhouston.net

James Rhubottom: James Rhubottom: [email protected]@cityofhouston.net

Dr. Youjun Qin Dr. Youjun Qin –– [email protected]@cityofhouston.net

Dr. Peter Chen Dr. Peter Chen –– [email protected]@cityofhouston.net

mailto:[email protected]




2727

Questions?Questions?

mobile ambient air monitoring laboratory (maaml) · mobile ambient air monitoring laboratory: our...

Documents