pittcon 2013 epa environmental data management needsanand mudambi usepa ... fem solution •...
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EPA’s Analytical Environmental Data Management Needs
Anand Mudambi USEPA
Pittcon 2013
Philadelphia, PA March 18, 2013
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DISCLAIMER
• The views expressed in this presentation are those of the author and do not necessarily reflect the views or policies of the U.S. Environmental Protection Agency.
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EPA’s Forum on Environmental Measurements (FEM)
• Established in 2003 to: – Promote consistency and consensus within the EPA
on measurement issues – Provide an internal and external contact point for
addressing measurement methodology, monitoring, and laboratory science issues with multi-program impact
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FEM • Develops policies to guide the Agency’s
measurement community in: – Validating and disseminating methods for sample
collection and analysis – Ensuring that monitoring studies are scientifically
rigorous, statistically sound, and yield representative measurements
– Employing a quality systems approach that ensures that the data gathered and used by the Agency is of known and documented quality
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EPA Monitoring Assessment: Background
• From June 2009 - October 2011, FEM conducted a monitoring assessment and strategy effort across EPA
• Used a stepwise process to: – Develop an inventory of monitoring programs – Conduct a needs and data gaps analysis – Identify leveraging opportunities
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Assessment Results Common Themes (1)
• Data Management – There are multiple databases, processes, procedures,
and methods for the same information – There is a need to develop a consistent and stable
business driven framework with all data generated registered into an Agency catalogue
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Assessment Results Common Themes (2)
• Data Analysis or Assessment – Confidence in the reliability of data and ability to
use data appropriately are important – Consistent application of the data life-cycle and
greater use of data quality policies for greater confidence
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EPA Analytical Data Management: Why it is the way it is
• Statutory: EPA programs have authorities under different environmental laws
• Data Sources: EPA receives data from different types of laboratories
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Example: Analytical Methods Impact
• Development process – Different names for same/similar terms
• Reporting Requirements – Different needs for data assessment
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Different Names for Similar/Same Terms
• Term: A method blank spiked with known quantities of analytes – Called Laboratory Control Sample (LCS) by EPA
ORD, OSWER and OCSPP – Called Ongoing Precision and Recovery Standard
(OPR) by EPA OW • Other terms used: Laboratory Fortified Blank,
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FEM Solution
• Environmental Measurement Glossary of Terms (January 2010)
• Located at: http://www.epa.gov/fem/pdfs/Env_Measurement_Glossary_Final_Jan_2010.pdf
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Reporting Requirements
• Superfund Contract Lab Results: labs submit all Quality Control (QC) data to EPA (including instrument output information) to allow for analyte identification and result recalculation (for legal defensibility)
• SDWA MCL Lab Results: Lab QC data generally not reported to EPA
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Different Needs for Data Assessment
• Superfund: Laboratory Results used for site cleanup and determining potentially responsible party liability
• Safe Drinking Water Act: Laboratory results used to determine if Maximum Contaminant Levels (MCL) for pollutants in drinking water are exceeded
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FEM Solution
• An Action Team for Environmental Data Management has been formed
• Team is focusing on Field and Analytical Data (with related meta data)
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EPA Laboratory Data Sources
• Research • Program • Regional • Contract
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EPA’s Research Laboratories
• Perform research to support EPA’s – Environmental standards – Risk Assessments – Risk Management Decisions
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EPA’s Program Laboratories
• Primary responsibility at the national level – Support regulatory development – Ensure compliance with EPA’s regulations – Enforcement (civil and criminal)
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EPA’s Regional Laboratories
• Provide scientific support for – Region specific environmental programs – Site Remediation – Ambient monitoring for air and water – Non-routine activities like emergency response
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Contract Laboratories
• Perform routine analyses at Superfund Sites – site remediation – monitoring
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Data Source Issue • Environmental Testing laboratories use a
wide variety of instruments • At this time there is no industry standard for
instrument outputs • Instrument data (which forms the basis of
analytical results) generally not accessible after software upgrades or instrument replacement
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Possible Solution
• Adoption of a Consensus Based Standard for Instrument Data by Agencies
• An example of such a standard – ASTM’s Analytical Information Markup Language (AnIML) XML standard for analytical chemistry data
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Approach for AnIML Implementation
• Contracts with instrument vendors and contract laboratories will need to be modified to require AnIML output capability
• A basic AnIML checker will be needed to assist AnIML adopters to check if their vendors’ instruments actually meet AnIML requirements
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Two Related Network Sessions • Untangling the Web of Electronic Data
Deliverables – Tuesday March 19 – Room 307 Marriott
• Standard Instrument Outputs and Envtal Data Standardization at EPA and NIST – Wednesday March 20 – Room 304 Marriott
• Session Timing: 08:30 to 10:30 AM
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Contact Information
Anand Mudambi Office of the Science Advisor US EPA
[email protected] 202-564-2817
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