online monitoring data analysis regulators...
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Online Monitoring Data AnalysisRegulators Perspective
Sudheesh NarayananKnowledge Lens
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Agenda
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• General Connectivity Scheme for Data Acquisition for CEMS, EQMS and CAAQMS• Key Focus Areas of Inspection of CEMS, EQMS and CAAQMS• Data Interpretations• Understanding Data and Data Quality
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Typical Connectivity Solution
GLens Mobile App
Connectivity Models
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Overview of Direct Connectivity From Analyzer
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Ambient Monitoring
Emission Monitoring Systems
Wireless Module
DAC Software
Internet
Cloud Server
Internet
GLens Mobile App
Dashboard displayed on TV
Central Software is Web Accessible
Effluent Monitoring Systems
Wireless Module
Overview of Direct Connectivity From Analyzer
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Key Focus Area for Regulators during Site Inspection
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• Consent to Operate (CTO)• Location of the Installation• Technology Choices for different Process• Range of the Analyzer• Inspection of the Analyzer • Connectivity Scheme• Operation of the Analyser• Data Transmission• Comparison with Historical Trends• Calibration Information • Factors and Normalization• Key items to watch
• File Based Transfer• Delayed Data Transfer• Switching of Analyzers
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How to Interpret the Online Data from CEMS, EQMS, AAQMS
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• Availability of Data• Delayed Data• Data Quality • Data Gaps• Exceedances• Diurnal Analysis• Matrix Report• Startup and Shutdown Sequence• Co-relation charts for Environmental Correlation• Randomness• Analyzer Drifts• Range Shifts• Calibration Issues• Comparison across Sectors
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Data Tampering Mechanisms
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• Setting Upper Limits• Changing Linearization Coefficient• Changing Analyzer Range • Data Simulation• File Based Data Transfer• Non-Continuous Data
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Upper Limit Threshold - 1
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DATA PEAK AT 50 mg/m3. AFTER ALERT DATA PEAK AT 40 mg/m3
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Upper Limit Threshold - 2
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DATA PEAK JUST BELOW 50 mg/m3.
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Upper Limit Threshold - 3
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DATA PEAK AT 350 mg/m3.
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Data Simulation
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RANDOM DATA SIMULATION WITH DATA PEAK AT 30 mg/m3
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Correlation between COD, BOD, TSS
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BOD Greater than COD? Distillery..
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