High Volume Air Sampler
High Volume Air Sampler - Related Videos
10:34
Characterization and Application of Passive Samplers for Monitoring of Pesticides in Water
0 Views •
Cited by 6 •
2016
A protocol about the characterization and application of five different passive sampling devices is presented.
09:10
A Protocol for Bioinspired Design: A Ground Sampler Based on Sea Urchin Jaws
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Cited by 17 •
2016
A protocol for bioinspired design is described for a sampling device based on the jaws of a sea urchin. The bioinspiration process includes observing the sea urchins, characterizing the mouthpiece, 3D printing of the teeth and their assembly, and bioexploring the tooth structure.
10:29
Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
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Cited by 19 •
2016
Ammonia emissions are a major threat to the environment by eutrophication, soil acidification and fine particle formation and stem mainly from agricultural sources. This method allows ammonia loss measurements in replicated field trials enabling statistical analysis of emissions and of relationships between crop development and emissions.
09:33
Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
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Cited by 3 •
2022
We detail the consistent, high-quality procedures used throughout air and biological sampling processes at Indian field sites during a large randomized controlled trial. Insights gathered from the oversight of applications of innovative technologies, adapted for exposure assessment in rural regions, enable better field data collection practices with more reliable outcomes.
09:16
Air-sampled Filter Analysis for Endotoxins and DNA Content
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2016
Two complementary analyses of atmospheric biological particles from air sampled filters are described herein: the extraction and detection of endotoxin, and of DNA.
FAQs
The instrument relates the mass of particles collected on the filter to the known volume of air that passed through it. Maintaining a controlled flow rate makes the sampled air volume measurable, allowing technicians to calculate airborne particle concentration rather than relying only on the amount of material visible on the collection medium.
A controlled flow rate establishes how much air enters the sampler during the monitoring period. That measurement provides the volume needed to interpret the particle mass captured by the filter. If the sampled volume were not known, technicians could not reliably compare particle concentrations among monitoring events, locations, or potential pollution sources.
The material retained on the filter can undergo chemical or microscopic analysis. These analyses add information about the composition or characteristics of airborne particles, helping investigators examine pollution sources such as industrial emissions, traffic, and dust. The sampler therefore supports both concentration measurements and more detailed examination of collected particulate material.
Technicians operate the sampler so its pump draws air through the collection filter at a controlled rate. After sampling, they determine the mass of particulate matter retained on the filter and relate it to the known sampled-air volume. The resulting concentration can then be assessed as part of an air-quality monitoring or investigation program.
This approach is useful when a study requires substantial airborne particulate material for measurement or further examination. Its applications include regulatory monitoring, pollution investigations, workplace and community exposure assessment, and evaluations of emissions associated with industrial activity, traffic, or dust. The results can support environmental assessment and air-quality management decisions.
Sampling results can be compared with information about industrial emissions, traffic, or dust to investigate possible contributors to airborne particulate pollution. The collected material also remains available for chemical or microscopic analysis, which can provide additional evidence about particle characteristics. Together, concentration data and filter analysis help clarify environmental impacts and guide air-quality management.