refinery emergency air monitoring assessment … emergency air monitoring assessment project...
TRANSCRIPT
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Refinery Emergency Air Monitoring Assessment Project
Monitoring and Laboratory Division Office of Emergency Response
PQAO Training
January 26, 2017
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Chevron Richmond Fire
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August 6, 2012 Catastrophic pipe failure High-temperature flammable fluid
released and partially vaporized into a large cloud
Vapor cloud engulfed 19 employees
Vapor cloud ignites All 19 employees narrowly
avoided serious injury or death
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Public Exposure
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15,000 people in the surrounding communities sought medical attention
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Richmond Monitoring Stations
Richmond Station SO2 H2S Toxics
San Pablo Station
Point Richmond Station H2S
Point San Pablo Met
Chevron Richmond Process Units
O3 NOx SO2
CO PM10 Toxics
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Monitoring Results - Disconnect
County: VOCs H2S SO2 Grab
Air District: Fixed Sites Grab
Hospitals
Normal Readings
15,000 Sought Help
?
CWS PIO
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Response Roles
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Coordination with Air Districts
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ExxonMobil Refinery Explosion
February 18, 2015
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Torrance refinery electrostatic precipitator at catalytic cracking unit explodes due to overpressure
Spent catalyst, fiberglass, and glass wool rain down into surrounding neighborhoods
Four contractors injured CalOSHA shuts down the affected
unit
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ExxonMobil Refinery Explosion
South Coast AQMD deployed various instruments to sample ambient air and collect fallout samples for analysis
SCAQMD sampling conducted independent of sampling by the Unified Command
Some sampling sites not located downwind from incident site
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Refinery Incidents
Lessons Learned:
Improvement in fixed and response air monitoring needed
Air district role needed in emergency planning
Better coordination needed between air districts and responders
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Scope of the Issue
17 refineries in four districts SCAQMD(8) BAAQMD (5) SJVAPCD (3) SLOAPCD (1)
Fire, Hazmat, Public health responses are critical
State regulation vs. local control
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Refinery Assessment Plan
Inventory: Completed
Assessment: Draft Report Guidance
Coordination, training, and
preparedness program
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Monitoring Gaps and Best Practices
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Technology Evaluations
Spectral Flux SCAQMD AQ SPEC
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Coordination Gaps and Best Practices
Communications Prevention and Preparedness
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Layered Air Monitoring Strategy Hazmat Vehicles and Mobile Labs
Air Monitoring Stations
Personal and Handheld Monitors
Community Monitors Fenceline Monitors
Process Unit Monitors
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Time, Distance, and Accuracy
Sensors at Source Timely Notification Higher Concentrations Tighter Spatial Resolution
Sensors in Community Modeling not required Measures actual impact More sensors needed
Wind
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Industry Open Path Monitoring
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Industry Community Monitoring
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Nexus - Refinery Project to PQAOs
Real-time monitoring Expanded network of monitors (air toxics, PM,
community handheld and portable) Additional fixed monitoring potentially
impacting AQS o Non-regulatory o More data for comparative research o More questions on appropriate siting & technologies
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Routine Data Analysis Application of monitoring technology Target compounds Health effects Siting considerations Public access to data Analysis of data Cloud data storage
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Future Monitoring Platforms
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Advantages : Lower Cost Portable Real-time Widespread distribution Increased spatial resolution Challenges : Accuracy/precision Calibration Interferences Interpretation Output of data Amount of data Use of data
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Next Steps
Issue report/public workshops Convene Refinery Monitoring Work Group Assist local agencies with securing resources Facilitate ongoing interagency collaboration
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Online Clearinghouse
Provides access to refinery related air monitoring information:
www.arb.ca.gov/fuels/carefinery/crseam/crseam.htm Or web search: ARB Refinery
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Russ Bennett California Air Resources Board: Office of Emergency Response
(916) 324-1149
Further Information
Greg Vlasek California Air Resources Board: Office of Emergency Response
(916) 323-4294