Memo outlining DEP activities including assessment and coordination with federal agencies for street and sidewalk cleaning.
NYC-WTC_000148621–000148740Folder label: “DEP - BEC ACTIVITIES WTC”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
* * . y
Summary of Sampling at WTC performed by PERTA
Air monitoring performed at ground zero (ambient conditions') utilizing direct reading field instrumentation: 9/12 —10/5/01
Photoionizable organic confounds Flame ionizable organic compounds Carbon Monoxide; Dihydrogen Sulfide; Oxygen; explosive atmospheric conditions Hydrogen Cyanide; Chlorine; A iHilOJiIia Freon 22
Results: Levels were background or non detectable levels.
Air Monitoring for Asbestos: 9/12 —10/4/01 (conducted bv DERTA1..Attachment 1
See attacked air monitoring table for locations and results.
Air Monitoring for Asbestos: 10/5 - Present (Monitoring conducted bv PEP certified contractor)..Attachment 2
See attached air monitoring results for location and results.
Bulk/Wipe Sampling for Asbestos: 9/11,9/16,9/23,9/26..Attachment 3
DERTA performed bulk and wipe sampling at the locations noted in attachment.
PCB Wipe Sampling on transformers: 9/27..Attachment 4
DERTA performed PCB wipe sampling per EPA request on 2 buried transformers at WTC building # 7. See attachment for results.
Testing at B5 & B6 sublevd at WTC attack site: 9/30,10/1..Attachment S
DERTA performed confined space entry into B5 & B6 sublevels with Port Authority Police & FDNY. DERTA performed ambient air monitoring and testing of flood waters for the following:
Non-Potable Flood Waters: Level B5 & B6: Tested for Volatile Organic Confounds, Chlorodifiuoromethane (Freon 22), (B5: 6 samples taken; B6:4 samples taken).
Salinity Testing: Level B5: 6 samples taken; Level B6: 4 samples taken.
NYC-WTC_000148643
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000147982
A project proposal outlining the timeline, methods, and justification for cleaning HVAC systems in residential units affected by World Trade Center dust.
23 shared non-person entities · Same agency, volume and box · similarity 0.980
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148742
Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.
33 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149798
Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.
32 shared non-person entities · Same agency, volume and box · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160471
Report on decontamination instructions for contractors and air clearance monitoring near Ground Zero at Battery Park City.
18 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160496
Departmental feedback on a draft contract scope of work, addressing trigger mechanisms, clearance levels, supervision requirements, and legal terminology.
16 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153468
Page containing illegible text and a document identifier for the EPA Inspector General series.
17 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000146033
Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
21 shared non-person entities · 1 shared topics · similarity 0.976
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000146090
Excerpt from a draft evaluation describing modified contract procedures used by NYCDDC for World Trade Center demolition and debris removal.
16 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153096
Interagency memo circulating EPA revisions for NESHAP and related programs with request for legal and agency comments.
17 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160492
Document detailing short-term actions like hotlines and cleaning, alongside long-term strategies including pilot programs and contaminant background studies.
7 shared non-person entities · 1 shared topics · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160489
Summary of the joint DEP-EPA-FEMA plan including hotline establishment, resident assistance, and building exterior cleaning.
7 shared non-person entities · similarity 0.972
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153089
Forwarded memo distributing EPA-DEP revised final document excerpts to NYC agencies for informational purposes.
13 shared non-person entities · similarity 0.972
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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DEP asbestos project notification form and inspection report dated December 12, 2002.
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NYC-WTC_000150782
List of Manhattan buildings with completed exterior cleaning by the New York City DEP.
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Report documenting an asbestos inspection conducted at 114 Liberty Street by ETS Construction.
Cited alongside this record in an Ask answer
NYC-WTC_000109790
Cover page accompanying a fax transmission of asbestos fiber analysis results performed via transmission electron microscopy.
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NYC-WTC_000109798
Detailed laboratory data sheet listing sample volumes and asbestos fiber counts obtained from transmission electron microscopy testing.
Cited alongside this record in an Ask answer