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Air sampling may have one or more of what six objectives?
- 1. identify air contaminant
- 2. estimate employee exposures
- 3. characterize an environment generally
- 4. identify and quantify emission sources
- 5. check the effectiveness of emission and exposure controls
- 6. check for compliance with standards
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Air sampling may be categorized in what three ways?
- By:
- 1. Location (personal, breathing zone, area, source, stack)
- 2. Time-span (continuous, short-term, grab)
- 3. Type (indicator tube, charcoal tube, filter, impinger, dosimeter badge)
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How is air sampling properly conducted?
Use one of the prescribed methods written by NIOSH, OSHA, or other recognized sampling/analysis authority.
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Statistical consideration questions should include:
- Where, when, and whom to sample?
- How many samples are necessary?
- How long to sample?
- How significant are the results obtained?
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General approach to air sampling is what?
Generally, one obtains a representative sample or random samples (for average exposures or air concentrations). Often, the person or location with the highest potential exposure or concentration is sampled to provide worst case data.
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What are the 9 steps to air sampling?
- 1. Characterize air contaminates
- 2. Determine appropriate sampling/analytical methods
- 3. Obtain sampling materials/equipment
- 4. Assemble equipment and calibrate
- 5. Conduct air sampling
- 6. Perform post-calibration
- 7. Establish chain of custody
- 8. Perform Analysis
- 9. Report and followup
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