Draft protocol establishing procedures for evaluating airborne and settled dust in residential and commercial areas near the World Trade Center.
NYC-WTC_000152825–000152834
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
VII. Screeninig Levels/Data Interpretation: Screening levels will be developed for respirable crystalline silica and PM in air; and for asbestos in vacuum dust and outdoor surface dust samples.
Data will be evaluated by local, state and federal public health agencies. Evaluations will include: 1) Indoor sample results will be evaluated on a residence-by- residence basis (for the individual occupants) 2) All indoor data will be evaluated to determine the extent of public health implications for residents near the WTC 3) All outdoor data will be evaluated to determine the extent of public health implications for the general public living near the WTC 4) The relationship between materials found in indoor and outdoor samples will be evaluated.
If results of testing show contamination/materials present at levels of concern, efforts should be made to reduce these levels and to take steps that eliminate transporting them indoors (e.g,. reduce contaminant track in by removing or changing shoes prior to entering residence, use HEPA filters on HVAC systems, keep windows closed).
VIII. Interference from existing bldg materials: It is anticipated that some of the contaminants/materials found in this sampling effort will be un related to the WTC event. Attempts will be made during sample collection to note other possible sources of contaminants (Section IX, Sample Description Needs).
To better determine if contaminants/materials found are within area background levels, approximately ten residential units outside of the concentric circle zones will be selected testing (indoor air and surface dust, outdoor air and surface dust).
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NYC-WTC_000153247
Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
15 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.999
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machine-extracted · confidence unavailable · Check page ↗15 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000152814
Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.
14 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153241
Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.988
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153258
Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
15 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153220
Draft protocol outlining objectives and locations for assessing airborne and settled dust exposures in residential areas.
14 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗16 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139656
Forwarded spreadsheet compiling residential asbestos sampling results collected in November-December 2001, including Building 11 reoccupancy assessment.
15 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164960
Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.
16 shared non-person entities · 1 shared topics · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139712
Series of emails forwarding a draft memo between DEP staff members for review and finalization.
16 shared non-person entities · 1 shared topics · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000164732
Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
16 shared non-person entities · 1 shared topics · similarity 0.978
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Draft protocol for assessing airborne and settled dust exposures in residential areas following the World Trade Center collapse.
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Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.
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