Lesson 1Sampling welding fumes and metal components: collection methods, analytical endpoints (Fe, Mn, Cr, Ni), chain of custodyDis section tackle samplin weldin fumes an metals, coverin filter choice, samplin spots, analytical endpoints fi Fe, Mn, Cr, an Ni, chain a custody, an readin against work exposure limits.
Characterizing welding processes and consumablesSelecting filters and sampling train setupPositioning samplers in the breathing zoneAnalytical methods for Fe, Mn, Cr, NiChain of custody and data integrityLesson 2Volatile organic compounds and solvent sampling: active sampling with sorbent tubes, passive diffusive samplers, grab samplesDis section cover strategies fi samplin VOCs an solvents usin active sorbent tubes, passive diffusive samplers, an grab samples, includin method pick, breakthrough control, storage, an lab result readin.
Selecting target VOCs and sampling objectivesActive sampling with sorbent tubesPassive diffusive sampler deploymentGrab sampling for short-term peaksSample handling, storage, and transportLesson 3Noise assessment: sound level meters, dosimetry, measurement metrics (LAeq, Leq, Lpeak, dB(A), exchange rates)Dis section explain noise exposure check usin sound level meters an dosimeters, includin metric choice (LAeq, Leq, Lpeak, dB(A), exchange rate), task-based measurements, an comparin wid rules.
Selecting SLMs and noise dosimetersConfiguring weighting, exchange rate, and rangeTask-based and full-shift noise surveysCalculating LAeq, Leq, and Lpeak valuesComparing results to exposure criteriaLesson 4Instrument selection and calibration: manufacturer specs, calibration checks, maintenance logsDis section explain how fi pick an calibrate tools base pon manufacturer specs, do field calibration checks, keep calibration an maintenance logs, an manage traceability to standards an quality systems.
Reviewing manufacturer specificationsChoosing instruments for contaminantsPrimary and secondary calibration methodsField calibration and bump checksCalibration records and maintenance logsLesson 5Prioritization of workers and tasks: criteria for selecting personnel for personal sampling (tasks with highest exposure potential)Dis section detail how fi prioritize workers an tasks fi personal samplin by checkin exposure potential, variability, an health risk, formin similar exposure groups, an documentin clear selection fi solid assessments.
Defining assessment goals and constraintsIdentifying high-exposure tasksForming similar exposure groups (SEGs)Selecting workers for personal samplingDocumenting selection criteria and rationaleLesson 6Air sampling for particulates and mists: personal vs area sampling, filter media, flow rates, sample durationDis section focus pon air samplin fi particulates an mists, includin personal vs area strategies, filter media choice, flow rate control, sample duration, an particle size an gravimetric analysis considerations.
Choosing personal versus area samplingSelecting filter media and cassettesSetting and verifying flow ratesDetermining sample duration and timingGravimetric analysis and size fractionsLesson 7Biological and mold sampling: air impaction, spore trap (filtration) sampling, surface swabs, culturing vs microscopyDis section explain biological an mold samplin usin air impaction, spore trap cassettes, surface swabs, an bulk samples, comparin culture-based an microscopic analysis, an outlinin interpretation limits an reportin.
Selecting biological sampling objectivesAir impaction and spore trap samplingSurface swabs and bulk material samplesCulture-based versus microscopic analysisInterpreting results and reporting limitsLesson 8Surface and dermal sampling: wipe sampling methods, surface sampling for oils/solvents, interpretationDis section cover surface an dermal samplin methods, includin wipe samplin fi metals an organics, surface samplin fi oils an solvents, result readin, an linkin wid skin protection an cleanin programs.
Selecting wipe materials and templatesWipe sampling for metals and organicsSurface sampling for oils and solventsInterpreting surface loading resultsLinking findings to dermal controlsLesson 9Planning an exposure assessment: objectives, task analysis, sampling strategy, statistical considerationsDis section describe plannin exposure assessment, includin set objectives, do task analysis, design samplin strategies, handle statistical power an uncertainty, an integrate results eena ongoing exposure management.
Defining scope, objectives, and endpointsTask and process mapping for exposuresDesigning personal and area sampling plansStatistical power, variability, and precisionIntegrating findings into control programs
