OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Calcite Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - Two air samples were collected after the first cleaning. Both were below the detection limit.
Cristobalite Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - There were two air samples collected after the first cleaning. Both were below the detection limit.
Tridymite Before Cleaning Samples - There were no samples collected before cleaning.
Post P' Cleaning Samples - Two air samples were collected after the first cleaning. Both were below the detection limit.
MMVF Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - Two air samples were collected after the first cleaning. The results indicate that MMVF was present in both samples; however, the concentrations were below the primary clearance criterion of 10 S/L. Because the air samples were below the primary clearance criterion, no additional samples were collected for MMVF.
PAH Before Cleaning Samples - There were no samples collected before cleaning.
Post P' Cleaning Samples - There were no samples collected after cleaning.
Unit 4A - This unit is located on the fourth floor. It is a 1,368 sq. ft. open loft facing Cedar Street. No windows were blown in and there was minimal dust accumulation in the dwelling with the exception of the baseboard heating units, which contained visible dust. The unit has hardwood floors. All of the tenant’s personal items were removed prior to the cleanup.
Cleaning Method - This unit was cleaned using Test 2 A; a Craftsman® shop vacuum and Eureka® upright vacuum with a HEPA filter for vacuuming the floors and other surfaces. There were no AFDs used during the cleaning process. In addition, all horizontal surfaces were wet wiped. This cleaning method was used for each cleaning event.
Cleaning Results - This unit met the clearance criteria listed in Table 1.0 for each compound after being cleaned twice.
Asbestos Before Cleaning Samples - Three micro vacuum and four wipe samples were collected 58
CITY_21MC100_011105288
NYC-WTC_000195254
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machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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Similarity score 1.000 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145695
Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
Similarity score 0.988 (not a probability)
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145695
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145695
Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
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machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
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