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_000196284
Laboratory report documenting fiber analysis of air samples via NIOSH 7400 for a project in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196285
Laboratory report documenting fiber analysis of air samples via NIOSH 7400 for a project in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196286
Field log recording details of air sampling activities including technician signatures and flow rates in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196287
Laboratory report documenting fiber analysis of air samples via NIOSH 7400 for a project in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196288
Laboratory report detailing asbestos fiber analysis by transmission electron microscopy for the World Trade Center attack response.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196289
Analytical report of asbestos bulk samples collected from the World Trade Center site in Manhattan on September 11, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196290
Laboratory report documenting fiber analysis of air samples via NIOSH 7400 for a project in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196291
Laboratory report documenting fiber analysis of air samples via NIOSH 7400 for a project in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196292
Field log recording details of air sampling activities including technician signatures and flow rates in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196293
Summary table of asbestos air sampling results using PCM and TEM methods for locations including Liberty Park in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196294 – NYC-WTC_000196296
Field data sheet recording pump start and stop times for air monitoring at the World Trade Center Emergency Response site.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196297 – NYC-WTC_000196298
Laboratory results table reporting dioxin and furan concentrations in air samples collected from various World Trade Center locations.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196299 – NYC-WTC_000196301
Field screening log recording real-time gas readings for CO, HCl, and other pollutants at the Ground Zero site in September 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196302
Laboratory results table reporting PCB concentrations in air samples collected from various World Trade Center locations in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196303
Field data sheet recording pump start and stop times for air monitoring at the World Trade Center Emergency Response site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196304
Field data sheet recording pump start and stop times for air monitoring at the World Trade Center Emergency Response site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196305
Laboratory report detailing asbestos analysis results for bulk samples collected during the New York City emergency response in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196306
Summary table of silica air sampling results collected from various locations at the World Trade Center site in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196307
Laboratory report documenting asbestos air sampling results for the Staten Island landfill during the World Trade Center emergency response.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196308
Field data sheet recording pump start and stop times for air monitoring at the World Trade Center Emergency Response site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196309
Laboratory report showing transmission electron microscopy asbestos analysis of air samples collected at the World Trade Center site on August 22, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196310
Laboratory data table presenting dioxin and furan concentrations in soil samples collected from the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196311
Summary report of asbestos air sampling results at the World Trade Center site on September 22, 2001, including compliance with OSHA and NYC standards.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196312
Log of personal air sampling results for asbestos fibers in the Financial District on September 15, 2001, with fiber counts per cubic centimeter.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196313
Log of personal air sampling results for asbestos fibers in the Financial District on September 16, 2001, covering multiple sectors and buildings.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196314 – NYC-WTC_000196315
Correspondence regarding asbestos dust and air sampling at P.S. 234M on October 3, 2001, including chain of custody details for investigators.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196316
Laboratory report of asbestos air sampling results at the World Trade Center site on January 16, 2002, using PCM and TEM analysis methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196317
Laboratory report of asbestos air sampling results at the World Trade Center site on January 17, 2002, showing fiber counts and detection limits.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196318
Draft laboratory report of volatile organic compound analysis from WTC Tedlar bags collected on January 22, 2002, noting data validity concerns.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196319
Laboratory report of asbestos air sampling results at the World Trade Center site on January 18, 2002, including PCM and TEM analysis data.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196320
Memorandum discussing low resident registration rates for the free World Trade Center dust cleanup and air sampling program as of late September 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196321
Data table recording ambient asbestos fiber concentrations at the World Trade Center site on September 27, 2001, using PCM and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196322
Informational document outlining recommended protective measures including respiratory masks and clothing protocols to prevent asbestos exposure at the site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196323
Summary of asbestos air sampling results for the World Trade Center area from October 16 to 18, 2001, noting compliance with AHERA standards.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196324 – NYC-WTC_000196327
Comprehensive log of air and bulk sampling results for asbestos and lead at the World Financial Center, including sample numbers and analytical methods.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000196328 – NYC-WTC_000196403
Laboratory report detailing transmission electron microscopy analysis of airborne asbestos samples collected for the NYC DEP project in October 2002.
Environmental Protection, Dept. of · 76 pages
- added
NYC-WTC_000196404
Field log sheet and chain of custody form for asbestos air sampling at a specific location, including technician signatures and sample details.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196405
Laboratory report detailing transmission electron microscopy analysis of airborne asbestos samples collected for the NYC DEP project in October 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196406
Field log sheet and chain of custody form for asbestos air sampling at a specific location, including technician signatures and sample details.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196407
Chain-of-custody log for air samples collected at 220 East 45th Street during pre-abatement activities in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196408
Laboratory results for airborne asbestos analysis conducted on September 19, 2002, for the NYC DEP project.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196409
Chain-of-custody documentation for air samples collected at a New York City location on September 19, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196410
Summary table of bulk asbestos analysis results for samples collected on September 19, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196411
Laboratory report detailing transmission electron microscopy analysis of airborne asbestos samples from August 16, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196412
Laboratory report detailing transmission electron microscopy analysis of airborne asbestos samples from August 30, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196413
Record of asbestos fiber concentrations and structures per square minute measured at various Lower Manhattan locations on September 12, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196414
Interim report on personal and area air samples collected near the debris pile on September 21, 2001, to characterize exposure.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196415
Document page containing the letterhead of an environmental consulting services firm.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196416
Document page containing the letterhead of an environmental consulting services firm.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196417 – NYC-WTC_000196418
Summary report of PCM air testing conducted in the WTC area from March 1 to April 4, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196419 – NYC-WTC_000196421
Chain-of-custody form for PCM air samples collected at various WTC area locations in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196422 – NYC-WTC_000196424
Chain-of-custody form for PCM air samples collected at various WTC area locations in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196425 – NYC-WTC_000196427
Document page containing the letterhead of an environmental consulting services firm.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196428
Results of asbestos air monitoring conducted at multiple New York City school locations between September 14 and 16, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196429
Results of asbestos air monitoring conducted at multiple New York City school locations between September 14 and 16, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196430 – NYC-WTC_000196431
Summary table of environmental health metrics including cleaning and indoor air quality data from March 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196433 – NYC-WTC_000196436
Status report on asbestos air sampling results from the EPA indicating samples were below TEM AHERA standards in March 2002.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000196438
Documentation regarding asbestos monitoring methods and safety disclaimers for building habitability evaluation.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196439
DEP air quality inspection sheet recording weather and dust conditions at the Central Artery site in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196440
DEP air quality inspection sheet recording weather and dust conditions at the Central Artery site in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196441
DEP air quality inspection sheet recording weather and dust conditions at the Central Artery site in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196442
DEP air quality inspection sheet recording weather and dust conditions at the Central Artery site in October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196443
News article discussing World Trade Center dust sample results and health effects from December 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196444
Document outlining monitoring parameters and referencing ASTM 5755-95 for asbestos-containing material evaluation at the WTC site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196445
DEP water chemistry data sheet recording pH and turbidity measurements for samples collected from September 11 to 18, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196446
Final laboratory report of asbestos fiber analysis by TEM for samples collected at the World Trade Center site in August 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196447
Final laboratory report of asbestos fiber analysis by TEM for samples collected at the World Trade Center site in August 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196448
Final laboratory report of asbestos fiber analysis by TEM for samples collected at the World Trade Center site in August 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196449
Final laboratory report of asbestos fiber analysis by TEM for samples collected at the World Trade Center site in August 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196450
Final laboratory report of asbestos fiber analysis by TEM for samples collected at the World Trade Center site in August 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196453 – NYC-WTC_000196454
Final laboratory report containing transmission electron microscopy air analysis data generated in early July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196455 – NYC-WTC_000196456
Final laboratory report presenting transmission electron microscopy air analysis results for samples collected in July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196457 – NYC-WTC_000196458
Final laboratory report documenting transmission electron microscopy air analysis findings from mid-July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196459 – NYC-WTC_000196460
Final laboratory report with transmission electron microscopy air analysis results for samples processed in late June 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196461
Document page listing sample identification numbers and locations for transmission electron microscopy air analysis at 130 Liberty Street.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196462 – NYC-WTC_000196463
Final laboratory report containing transmission electron microscopy air analysis results for samples collected in mid-July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196464 – NYC-WTC_000196465
Final laboratory report detailing transmission electron microscopy air analysis data generated in mid-July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196466 – NYC-WTC_000196467
Final laboratory report presenting transmission electron microscopy air analysis results for samples processed in late July 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196468 – NYC-WTC_000196469
Final laboratory report detailing transmission electron microscopy air analysis results conducted on July 22, 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196470
Final laboratory report documenting transmission electron microscopy air analysis results dated July 22, 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196471
Final laboratory report for TEM air analysis at 130 Liberty Street dated July 24, 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196472
Laboratory report detailing asbestos analytical results for samples from 130 Liberty Street dated July 28, 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196473
Chain of custody record for sample containers processed by PSC Analytical Services in Reading, PA.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196474 – NYC-WTC_000196475
Report on hydrocarbon air sampling conducted at a school for the NYC Board of Education on February 20, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000196476 – NYC-WTC_000196478
Analytical results report from ATC Associates for work order R02020567 dated February 13, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000196479 – NYC-WTC_000196480
Analytical results report for metals and mercury in air samples from December 2001 by ATC Associates.
Education, Dept. of · 2 pages
- added
NYC-WTC_000196481 – NYC-WTC_000196482
Letter report on mercury air sampling conducted at a school for the NYC Board of Education in December 2001.
Education, Dept. of · 2 pages
- added
NYC-WTC_000196483
Analytical results report for mercury in air samples from December 2001 by ATC Associates dated January 3, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196484
Chain of custody record for sample containers processed by PSC Analytical Services in Reading, PA.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196485
Chain of custody form for lead air sampling conducted at Stuyvesant High School by ATC Associates Inc.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196486 – NYC-WTC_000196488
Attachment containing analytical laboratory report results for lead in air samples.
Education, Dept. of · 3 pages
- added
NYC-WTC_000196489 – NYC-WTC_000196490
Attachment containing analytical laboratory report results for gravimetric membrane samples.
Education, Dept. of · 2 pages
- added
NYC-WTC_000196491
Analytical results report from ATC Associates for work order R02020777 dated February 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196492
Chain of custody record for sample containers processed by PSC Analytical Services in Reading, PA.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196493
Analytical results report from ATC Associates for work order R02030041 dated March 6, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196494
Chain of custody record for sample containers processed by PSC Analytical Services in Reading, PA.
Education, Dept. of · 1 pages
- added
NYC-WTC_000196495
Analytical results report from ATC Associates for dust samples dated April 11, 2002.
Education, Dept. of · 1 pages