OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
300 gg/m^.
Fifth Floor Hallway - The fifth floor hallway is an area with plywood floors and walls made of sheet rock covered with wallpaper glue. The ceiling is also made of sheet rock, and is painted.
Cleaning Method - This area was cleaned twice using Test 4 A and Test 4B. Test 4 A used an industrial HEPA-filtered vacuum and an AFD, while Test 4B consisted of a soap and water wet w wipe of only the ceiling.
Cleaning Results - This unit met the clearance criteria listed in Table 1.0 for each compound after «r being cleaned twice. «r «r Asbestos Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - Two air samples were collected. The air samples were analyzed using PCM. The PCM results were below the secondary numeric criterion of 0.01 flee. The samples could not be analyzed for PCMe, due to overloading of particulate matter on the filters.
Post 2^ Cleaning Samples - Two air samples were collected. The air samples were analyzed using TEM AHERA, and PCMe. The samples could not be analyzed for PCM, due to overloading of particulate matter on the filters The TEM AHERA results were below the secondary numeric criterion of 0.022 S/cc, with the samples being below the detection limit. Similarly, the PCMe results were below the primary clearance criterion of 0.0009 S/cc with the samples likewise below the detection limit. 4 4 Dioxin Before Cleaning Samples - There were no samples collected before cleaning. <4 Post P‘ Cleaning Samples - There were no post-first cleaning samples collected.
Post 2”‘' Cleaning Samples - There were no post-second cleaning samples collected. 4 Gypsum Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - One air sample was collected after the first cleaning. Gypsum was not detected. Since gypsum was below the detection for the sample collected, no additional gypsum samples were collected.
Lead Before Cleaning Samples - There were no samples collected before cleaning.
Post P‘ Cleaning Samples - One air sample was collected after the first cleaning. The air sample was below the primary clearance criterion of 1.0 pg/m^ Since the primary
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CITY_21MC100_011105309
NYC-WTC_000195275
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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.
NYC-WTC_000145695
Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
Similarity score 0.999 (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 0.981 (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 0.967 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145027
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Similarity score 0.961 (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 0.957 (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 0.957 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Machine-extracted building matches; verify each source. Buildings, never households.
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