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Sensing Security— Advances in Water-Quality Monitoring Glenn G. Patterson U.S. Geological Survey
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5 Steps to Water System Security Threat Identification and characterization Vulnerability assessment Physical security Water-Quality Monitoring Communication and Response
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Components of Monitoring Monitoring plan Sensors –Broad-range –Specific Quality assurance Background levels Communication and response plan
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The value of time-relevant data Provide data to decision-makers in time for action Detect accidental or intentional releases Improve efficiency of monitoring programs
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Traditional Real-Time Parameters Stage and streamflow Temperature Specific conductance pH Dissolved Oxygen Turbidity
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Kansas Water Quality
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Steps to Deployment of New Sensing Technology Concept Research and Development ($$) Lab Testing Field Testing Deployment Refinement
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The Value of Partnerships DOE Sandia Labs Army Soldier Biological and Chemical Command Defense Threat Reduction Agency Environmental Protection Agency States, Counties, Cities, Utilities
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Advances in Europe 71 advanced early-warning monitoring stations Some stations can detect 40+ compounds Active research on interpreting results and determining background levels
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PARAMETERS AND CONSTITUENTS MONITORED ON THE RIVER TRENT
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Sensors Available Now Broad Range: Whole-water toxicity-- sentinel species Specific: Semi-volatiles Specific: Volatiles
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Whole Water Toxicity— Automated Bioassays with Sentinel Species Bacteria Algae Daphnia Clams and mussels Fish
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Semi-Volatiles HPLC with Solid-phase extraction
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Volatiles GC with in-situ purge and trap
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Sensors Under Development DOE--Sandia Labs— Micro-Chemlab on a Chip www.sandia.gov
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Sensors Under Development DOE—Oak Ridge National Lab— Chemical-Biological Mass Spec with direct inlet
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Sensor Array Under Development Army Soldier Biological and Chemical Command— Joint Service Agent Water Monitor
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Sensors Under Development-- Chemical and Biological agents Attenuated Total Reflectance Fourier Transform IR Spec Molecular Imprinted Polymers Pyrolysis GC Ion Mobility Mass Spec
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Sensors Under Development— Biological Agents Real-time Polymerase Chain Reaction Antibody-Antigen Tests Surface-Enhanced Ramon Sensors
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Additional Considerations Background concentrations Need for communication and response plan Field Testing
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USGS River Monitoring Network Water.usgs.gov/waterwatch
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