2026-10-16
- documents
- 64,385
- pages
- 230,888
- size
- 41.6 GB
- added
- 40,757
- removed
- 0
- changed
- 0
Recorded changes
- added
NYC-WTC_000205423
Form recording field data and flow rates for asbestos air monitoring samples from Stuyvesant High School in October 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205424 – NYC-WTC_000205425
Laboratory report detailing air sample volumes and results for asbestos analysis at the World Trade Center site in April 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205426 – NYC-WTC_000205428
Memo reporting on a mold assessment and fungal spore sampling conducted at World Trade Center Building 5 in late April 2002.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000205429
Document combining turnaround time options with a chain of custody form for asbestos analysis samples submitted to the laboratory.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205430
Form indicating requested turnaround times for asbestos analysis and associated chain of custody details for submitted samples.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205431
Notice reporting that post-abatement air sampling at World Trade Center Building 6 showed asbestos levels below the regulatory limit.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205432
Letter transmitting water analysis results for MTBE and chlorodifluoromethane from World Trade Center site sump pumps in March 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205433
Correspondence regarding water sampling procedures for discharge to the NYC sewer system at the World Trade Center site in early 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205434
Facsimile cover sheet transmitting analysis results for asbestos and lead samples submitted to EMSL Analytical in November 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205445 – NYC-WTC_000205457
Facsimile cover sheet transmitting environmental analysis results for samples submitted to EMSL Analytical in October 2001.
Design and Construction, Dept. of · 13 pages
- added
NYC-WTC_000205484 – NYC-WTC_000205485
Form used by ATC Associates for recording bulk asbestos analysis data and laboratory identification numbers.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205486
Document showing a point count tally used to calculate the percentage of asbestos in a sample specimen.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205487 – NYC-WTC_000205488
Report listing OSHA air sampling data for crystalline silica with severity greater than zero at the World Trade Center site in May 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205489 – NYC-WTC_000205490
Report listing OSHA air sampling data for welding fume with severity greater than zero at the World Trade Center site in May 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205491 – NYC-WTC_000205492
Report listing OSHA air sampling data for crystalline silica with severity greater than zero at the World Trade Center site in May 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205493 – NYC-WTC_000205496
Report listing OSHA air sampling data for crystalline silica with severity greater than zero at the World Trade Center site in April 2002.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000205497 – NYC-WTC_000205498
Report listing OSHA air sampling data for lead and crystalline silica with severity greater than zero at the World Trade Center site in April 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205499 – NYC-WTC_000205502
Summary of air monitoring for asbestos, noise, and worker exposure at the World Trade Center site as of March 18, 2002.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000205503 – NYC-WTC_000205504
Summary of air monitoring for asbestos, noise, and worker exposure at the World Trade Center site as of December 29, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205505 – NYC-WTC_000205506
Summary of air monitoring for asbestos, noise, and worker exposure at the World Trade Center site as of November 7, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205507
Report on air and bulk asbestos sampling results in the Financial District and secure area surrounding the World Trade Center from September 13 to 23, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205508
Summary of air sample results collected at the World Trade Center site during the week of April 5 to 12, 2002, including exceedances of occupational exposure limits.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205509
Summary of air sample results collected at the World Trade Center site during the week of March 15 to 22, 2002, with explanations of sampling categories and agents.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205510 – NYC-WTC_000205511
Summary of air sample results collected at the World Trade Center site during the week of March 15 to 22, 2002, listing specific exceedances of occupational exposure limits.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205512
Summary of air sample results collected at the World Trade Center site during the week of February 2 to 8, 2002, including silica and quartz analysis data.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205513 – NYC-WTC_000205514
Detailed log of air sampling data for the World Trade Center site covering the period from January 25 to February 1, 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205515 – NYC-WTC_000205516
Summary of air sample results collected at the World Trade Center site during the week of January 25 to February 1, 2002, listing exceedances for lead, arsenic, and asbestos.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205517
Reference document listing TLV and PEL values for various hazardous materials including aluminum, antimony, and arsenic.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205520
Letter enclosing industrial hygiene air sample results from the World Trade Center site for the period of December 6 to 13, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205521
Report defining permissible exposure limits and time-weighted average levels for air contaminants monitored at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205522
Laboratory analysis sheet for air samples collected at the World Trade Center site, detailing field data and fiber concentration results.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205523
Cover letter accompanying asbestos fiber analysis results using NIOSH Method 7400 for air samples collected at a WTC site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205524
Fax transmission reporting MTBE concentrations in dewatering and sumping discharge samples from the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205525
Log of MTBE concentration levels in discharge samples from the World Trade Center sumping and dewatering operations between December 2001 and February 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205526
Fax transmission reporting MTBE concentrations in dewatering and sumping discharge samples from the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205527
Fax transmission reporting MTBE concentrations in dewatering and sumping discharge samples from the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205528
Log of MTBE concentration levels in discharge samples from the World Trade Center sumping and dewatering operations between December 2001 and February 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205529
Letter forwarding MTBE water analysis results from the World Trade Center site collected on February 11, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205530 – NYC-WTC_000205533
Laboratory summary of analytical results for water samples collected on February 16 and 15, 2002, testing for volatile compounds.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000205534 – NYC-WTC_000205537
Laboratory summary of analytical results for water samples collected on February 15, 2002, listing concentrations of benzene and other volatiles.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000205538 – NYC-WTC_000205541
Laboratory results for water samples collected on February 22, 2002, analyzing semivolatile compounds including naphthalene.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000205542
Laboratory report detailing bulk specific gravity tests for asphalt pavement cores collected at the World Trade Center paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205543
Laboratory report detailing bulk specific gravity tests for asphalt pavement cores collected at the World Trade Center paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205544
Laboratory report detailing bulk specific gravity tests for asphalt pavement cores collected at the World Trade Center paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205545 – NYC-WTC_000205546
Laboratory report detailing bulk specific gravity tests for asphalt pavement cores collected at the World Trade Center paving project.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000205548
Field inspection and laboratory report for concrete strength testing of 4000 PSI mix at the World Trade Center project site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205549
Laboratory report detailing bulk specific gravity tests for asphalt pavement cores collected at the World Trade Center paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000205550 – NYC-WTC_000205556
Document outlining mandatory pre-bid meeting and scope for interior asbestos cleaning and air monitoring at 114 Liberty Street.
Environmental Protection, Dept. of · 7 pages
- added
NYC-WTC_000205557
Laboratory results for asbestos fiber analysis by transmission electron microscopy at a New York City DEP project site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205558
Chain of custody and air monitoring log for asbestos sampling conducted at a New York City DEP project site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205559
Laboratory results for asbestos fiber analysis by transmission electron microscopy at a New York City DEP project site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205560
Laboratory results for asbestos fiber analysis by transmission electron microscopy at a New York City DEP project site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205561
Chain of custody form from the Department of Environmental Protection requesting bulk asbestos and lead analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205562 – NYC-WTC_000205563
Laboratory report for airborne asbestos analysis by transmission electron microscopy at a New York City DEP project site.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205564 – NYC-WTC_000205565
Report of bulk and air sampling at 310 Greenwich Street showing no suspicious materials and follow-up HEPA vacuuming instructions.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205566 – NYC-WTC_000205567
Correspondence regarding asbestos fiber analysis requests for a building located in the Bronx.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205568
Laboratory report detailing transmission electron microscopy results for air quality samples collected at Building #3-40.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205633
Document containing chain of custody information and sample tracking details for environmental testing samples submitted in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205634
Laboratory report from ALC Associates documenting transmission electron microscopy results for air samples collected at 345-355 [name] Avenue.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205635 – NYC-WTC_000205636
Laboratory report presenting transmission electron microscopy results for eleven PCM air samples from hallways and apartments at specified buildings.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205637 – NYC-WTC_000205638
Laboratory report presenting transmission electron microscopy results for thirteen PCM air samples from hallways and apartments at specified buildings.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205639 – NYC-WTC_000205640
Letter from ALC Environmental Consultants summarizing bulk sampling, visual assessments, and air monitoring results for Building #200.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205641
Letter enclosing air monitoring results from a parking garage facility, confirming compliance with asbestos acceptance criteria via TEM analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205642
Letter from ALC Environmental Consultants detailing visual assessments, bulk sampling, and air monitoring performed at Building #100.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205643 – NYC-WTC_000205644
Laboratory report presenting transmission electron microscopy results for eleven PCM air samples from hallways and apartments at specified buildings.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205645
Letter from JLC Environmental Consultants enclosing analytical results for air samples collected at 100 [name] using TEM and EDS methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205646 – NYC-WTC_000205647
Fax transmission from JLC Environmental Consultants providing a summary of analytical results for airborne particulates at 100 [name].
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205648
Fax transmission from JLC Environmental Consultants providing a summary of TEM air fiber analysis results for 100 [name].
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000205649 – NYC-WTC_000205650
Laboratory report listing sample IDs and locations for polarized light microscopy analysis of wipe samples at 200 Water Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205651 – NYC-WTC_000205657
Fax transmission from EMSL Analytical containing asbestos analysis data for samples collected at NYU 200 Water Street.
Environmental Protection, Dept. of · 7 pages
- added
NYC-WTC_000205658 – NYC-WTC_000205659
Laboratory report documenting qualitative asbestos detection in soil samples from various apartments at 200 Water Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205660 – NYC-WTC_000205661
Administrative form requesting asbestos analysis via microscopy for samples collected at 200 Water Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205662 – NYC-WTC_000205663
Laboratory report table displaying sample locations and initial appearance data for asbestos analysis at 200 Water Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205664 – NYC-WTC_000205665
Letter from Advanced Environmental Corp. reporting limited air monitoring for asbestos and dust at a therapy room on Feb 12, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205666 – NYC-WTC_000205667
Appendix A of a monitoring report summarizing TEM air sample results for asbestos at the specified New York location.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000205668
Chain of custody document tracking the collection and transfer of air monitoring samples for environmental analysis.
Environmental Protection, Dept. of · 1 pages