CARPA SUMMIT 2008 DATA Monitoring, Sampling, and Lab Techniques Paul A. Nony, Ph.D Center for...
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Transcript of CARPA SUMMIT 2008 DATA Monitoring, Sampling, and Lab Techniques Paul A. Nony, Ph.D Center for...
![Page 1: CARPA SUMMIT 2008 DATA Monitoring, Sampling, and Lab Techniques Paul A. Nony, Ph.D Center for Toxicology and Environmental Health, LLC.](https://reader036.fdocuments.net/reader036/viewer/2022062715/56649d975503460f94a814b3/html5/thumbnails/1.jpg)
CARPA SUMMIT 2008DATA
Monitoring, Sampling, and Lab Techniques
Paul A. Nony, Ph.D
Center for Toxicology and Environmental Health, LLC
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Equipment and Capabilities: What Works
• Air monitoring equipment
• Air sampling equipment
• Laboratory Techniques/Considerations
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Air Monitoring Equipment
• RAE Systems instruments– MultiRAE– AreaRAE– ppbRAE– UltraRAE– MiniRAE– EntryRAE
• Sensors– Photoionization Detector (PID)
• Non-specific detection of volatile organic compounds– Electrochemical sensors
• NO/NO2 ,Cl2, H2S, NH3, HCl, HF, HCN, SO2, CO – O2
– LEL
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Photoionization Detector (PID)
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TVA 1000B (PID/FID)
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• Colorimetric Detector Tubes (Gastec)– Provide chemical-specific results for a wide
range of chemicals.– CTEH keeps most tubes in stock
Air Monitoring Equipment
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• Single Point Monitors– Used for acids and isocyanates
Air Monitoring Equipment
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• Optical Aerosol/PM Monitors (TSI)– Various cutoffs for particle size– New Dusttrak measures both size and mass
simultaneously
Air Monitoring Equipment
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Considerations for Monitoring Locales
• Breathing zone• In and around work areas and
workers • Away from exhaust sources• Indicator approach• Community coverage• Upwind and downwind• Special receptors
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Characterization of Unknowns
• Hazmat ID– Portable infrared spectrophotometer– Enclosed in a Pelican case; can be
decontaminated in the field– Library of over 25,000 spectra– Liquid or solid unknowns
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Smiths HazMatID
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Characterization of Unknowns
• Hapsite Portable GC/MS– Unknown Identification– Very low detection limits (ppt)– EPA approved methods
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Inficon HAPSITE Portable GC/MS
Smart Plus Chemical ID System
Headspace Analysis System
SituProbe Purge and Trap System
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Characterization of Unknowns
• Miran SapphIRe™ IR Spectrophotometer
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Mercury Vapor Detectors
Ohio Lumex Mercury Vapor Analyzer Jerome Mercury Vapor Analyzer
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Air Sampling Equipment
MiniCansTM SUMMA Canisters
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Air Sampling Equipment
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Considerations for Sample Placement
• Breathing zone• Between source and receptors• Complete 360-degree perimeter• Locations where people are
(especially surface samples)
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Meteorological Data
• WeatherPak 2000
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Lab Techniques/Considerations
• Many chemical-specific analyses• Volatile organics – EPA TO-15 + TICs• Metals• PAHs• Total particulate matter• Aldehydes• Dioxins/furans• Special analyses
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Lab Techniques/Considerations
• Field QA/QC– COC– Proper set up of sample apparatus (filters/media)– Collect blanks/background samples– Proper sample labeling and documentation
• Lab QA/QC– Certified clean canisters– Lab certifications (AIHA, NELAP, etc.)– SOPs, QAMs– Turnaround time/throughput– Usable deliverables– Method selection fits data requirements