ambient and source technology integration dennis k. mikel epa-oaqps-aqad
TRANSCRIPT
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Ambient and
SourceTechnologyIntegration
Dennis K. Mikel
EPA-OAQPS-AQAD
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Concept
•Why initiate technology integration? • Limited Funds• Limited Manpower• Time and effort
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Task #1 Team Building
• We formed an internal team – Ambient Air Monitoring Group– Measurement Technology Group– We looked at different technologies – Chose one we felt we could have success
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Task #2 Initiate technology integration
project
• We contacted:– Cooper Environmental – X-Ray
Fluorescence (XRF) Experts– Met One Instruments – Beta
Attenuation Monitors (BAM) Technology
– California Air Resources Board - Operate Met One BAMs
• We created a partnership!
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Technology Integration
Cooper XRF Technology
Met One EBAM Met One Mylar backed Tape – Teflon Coated
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Results of Collaboration
Bakersfield Time Series Plot
0
500
1,000
1,500
2,000
2,500
3,000
3,500
1 2 3 4 5 6 7 8 9 10 11 12 13 14Sample Number
Co
nc
. (p
g/d
sc
m)
PM X 10^-4
As X 2
Cr
Pb
Mn
Ni
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Long Term Plan
• Development of the semi-continuous multi-metals for fence-line and ambient applications
• Lowering Detection Levels for formaldehyde and 1,3 BD using Cascade Lasers – ORD development
• Pneumatic Focusing Gas
Chromatography
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Multi-metals Fence-line – Ambient Applications
•The Xact Ambient Air Toxics Monitor (Xact AATM) measures the ambient concentration of metals• Based on uses X-ray fluorescence• Sampling times for this instrument range from one to four hours. •The Xact AATM measures metals in the pg/m³ concentration range.
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•Uses Tunable Infrared Laser Differential Absorption •Continuous automated operation
Detection Limit (pptv)Formaldehyde 60 Butadiene 80 Acrolein 120
MID-IR Cascade Laser System
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Pneumatic Focusing Gas Chromatography (PFGC)
•Air sample compressedand injected directly on column in a specially designed GC• GC is constructed within a fully functional personal computer•FID-VOC sensitivity of 50 ppt
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Technology Integration Toolbox
ResearchSBIR
ORD An Intelligent Approach to Technology Integration!!!
Collaborate with Vendors and S/L/T