Quality Management & Operations Support Branch Quality Assurance Section
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Transcript of Quality Management & Operations Support Branch Quality Assurance Section
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Quality Management & Operations Quality Management & Operations Support BranchSupport Branch
Quality Assurance Section Quality Assurance Section Presented By: Webster TasatPresented By: Webster Tasat
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Quality Assurance SectionQuality Assurance Section
Quality Control Quality Control
Quality AssessmentQuality Assessment
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Quality ControlQuality Control
InternalInternal tasks which are performed on a tasks which are performed on a routine basis to control the accuracy routine basis to control the accuracy and precision of a measurement and precision of a measurement process.process.– CalibrationsCalibrations– Zero and Span ChecksZero and Span Checks– BlanksBlanks– DuplicatesDuplicates
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Quality AssessmentQuality Assessment
External External tasks which are performed on tasks which are performed on an occasional basis to assess the an occasional basis to assess the capability and performance of a capability and performance of a measurement process.measurement process.– Performance auditsPerformance audits– System auditsSystem audits– Interlaboratory comparisonsInterlaboratory comparisons
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Performance AuditsPerformance Audits A quantitative comparison of an air monitoring A quantitative comparison of an air monitoring
site’s analyzers and/or samplers with a device site’s analyzers and/or samplers with a device of known accuracy. Performance audits may of known accuracy. Performance audits may also involve a laboratory’s ability to identify also involve a laboratory’s ability to identify specific compounds.specific compounds.– Gas Analyzer AuditsGas Analyzer Audits– Flow AuditsFlow Audits– MET AuditsMET Audits– LaboratoryLaboratory– SitingSiting
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System AuditsSystem Audits An on-site inspection and review of An on-site inspection and review of
facilities, equipment, training, facilities, equipment, training, procedures, recordkeeping, data procedures, recordkeeping, data validation, data management, and validation, data management, and reporting aspects of an organization’s reporting aspects of an organization’s monitoring program.monitoring program.
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Quality Assurance Audit Quality Assurance Audit VanVan
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Audit Van InteriorAudit Van Interior
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Audit Gas FlowAudit Gas Flow
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Gas Analyzer Audits Gas Analyzer Audits Analyzers Analyzers
– O3, CO, NO2, SO2, H2SO3, CO, NO2, SO2, H2S Through-the-Probe (TTP)Through-the-Probe (TTP) Audit concentration levels (O3, NO2, Audit concentration levels (O3, NO2,
SO2, H2S)SO2, H2S)– High:High: 0.35 - 0.45 ppm 0.35 - 0.45 ppm – Mid:Mid: 0.15 - 0.20 ppm 0.15 - 0.20 ppm – Low:Low: 0.03 - 0.08 ppm0.03 - 0.08 ppm
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CO AnalyzerCO Analyzer
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Flow AuditsFlow Audits SamplersSamplers
– TSP, Lead, Dichot, TEOM, PM10, TSP, Lead, Dichot, TEOM, PM10, PM2.5PM2.5
Transfer StandardsTransfer Standards– Orifice, MFMsOrifice, MFMs
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PM2.5 SamplerPM2.5 Sampler
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MET AuditsMET Audits MET SensorsMET Sensors
– Temp., WD, WS, RH, BP, Solar Temp., WD, WS, RH, BP, Solar RadiationRadiation
Audit SensorsAudit Sensors– NIST traceableNIST traceable– Factory Certified Factory Certified
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Met TowerMet Tower
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Laboratory AuditsLaboratory Audits Toxic AuditsToxic Audits
– Sampler flow ratesSampler flow rates– Sampler leak checksSampler leak checks
NMHC AuditsNMHC Audits Whole Air Comparison CheckWhole Air Comparison Check Laboratory AnalysisLaboratory Analysis
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NMHC Set-Up NMHC Set-Up
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Additional QA ActivitiesAdditional QA Activities Report on Quality Control/Quality Report on Quality Control/Quality
Assessment DataAssessment Data
Oversee Data ControlOversee Data Control
Research/Develop New Audit Research/Develop New Audit Equipment and ProceduresEquipment and Procedures