Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
NYC-WTC_000145695–000145868Folder label: “NO INFO”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
numeric criterion and the other two could not be analyzed due to particulate overloading of the filter. The TEM AHERA results were below the secondary numeric criterion for two samples. The third sample could not be analyzed due to particulate overloading of the filter. Of the three air samples analyzed using PCMe, one sample could not be analyzed due to overloading of particulate material. The other two samples were below the primary clearance criterion of 0.0009 S/cc.
The results of the four micro vacuum samples indicate that asbestos was present at levels generally lower than those observed before cleaning. One of the samples was identified as non-detect.
The results of the five wipe samples indicate that asbestos was present in all but one sample; however, two of the samples were identified as non-detect. One of the non-detect samples had an elevated detection limit due to the presence of non-asbestos particulate matter.
Dioxin Before Cleaning Samples - Three pre-cleaning wipe samples were collected and analyzed for dioxin. The results indicate that dioxin was present; however, the TEQ concentration for each sample was below the primary clearance criterion of 4 ng/m^.
Post deeming Samples - Four post-cleaning wipe samples were collected and analyzed for dioxin. The results indicate that the concentrations of dioxin were similar to the pre cleaning samples. The TEQ concentration for each sample was below the criterion of 4 ng/m^.
Gypsum Before Cleaning Samples - Pre-cleaning air samples were not collected.
Post f Cleaning Samples - Two air samples were collected after the first cleaning. Gypsum was not detected above the detection limit for either sample.
Le^ Before Cleaning Samples - Four micro vacuum samples and three wipe samples were collected. Lead was not detected in any of the micro vacuum samples. One of the wipe samples was below the detection limit and one wipe sample was below the primary clearance criterion of 25 pg/ft^. The third wipe sample exceeded the primary clearance criterion at 38.9 pg/ft^.
Post Cleaning Samples - Two air samples, four micro vacuum samples, and four wipe samples were collected after the first cleaning. The two air samples were below the primary clearance criterion but were qualified as rejected, due to field blank contamination. The results of the micro vacuum and wipe samples show that, while two of the micro vacuum and two of the wipe samples exceeded the detection limits, all samples met the primary clearance criterion and the comparison values for lead after the first cleaning.
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NYC-WTC_000145744
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NYC-WTC_000145027
Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
28 shared non-person entities · Same agency, volume and box · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000145869
Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
28 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155286
Formal letter criticizing the EPA and DEP for alleged failures in cleaning asbestos and silica from 114 Liberty Street.
13 shared non-person entities · 1 shared topics · similarity 0.964
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000155174
Chain of custody documentation for cleanup and monitoring samples at 114 Liberty distributed among project team members.
12 shared non-person entities · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138897
Internal DEP coordination regarding comments on 114 Liberty procedures and preparation of a response.
12 shared non-person entities · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000102521
EPA letter confirming that primary and secondary clearance levels for asbestos and other contaminants were met at 114 Liberty Street.
9 shared non-person entities · 1 shared topics · similarity 0.960
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151524
EPA Region II letter confirming that primary and secondary clearance levels for asbestos and other contaminants were met at 114 Liberty Street.
10 shared non-person entities · 1 shared topics · similarity 0.959
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154940
EPA confirms that primary and secondary clearance levels for contaminants at 114 Liberty Street have been met.
10 shared non-person entities · 1 shared topics · similarity 0.958
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154998
EPA confirms that primary and secondary clearance levels for contaminants at 114 Liberty Street have been met.
10 shared non-person entities · 1 shared topics · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗12 shared non-person entities · similarity 0.956
machine-extracted · confidence unavailable · Check page ↗11 shared non-person entities · similarity 0.954
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Archival folder label for September 11 news clippings from the Office of the Mayor, identified as Folder 0123.
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Updated memorandum defining the Red Zone boundaries and listing authorized agencies for entry into the restricted area.
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NYC-WTC_000142373
Directory of organizations providing financial aid, job placement, and space assistance to businesses affected by the disaster.
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NYC-WTC_000145027
Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
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Policy document outlining NYPD access requirements for building owners and contractors at the site in October 2001.
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