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_000195056
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195057
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195058
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195059
Formal laboratory report detailing transmission electron microscopy results for air samples collected at P.S. 150M on Greenwich Street.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195060
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195061
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195062
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195063
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195064
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000195065 – NYC-WTC_000195067
Aggregated summary report listing the number and types of asbestos samples analyzed via PCM, PLM, and TEM methods as of late January 2002.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000195068 – NYC-WTC_000195119
Medical reference document providing an overview of asbestos substances, clinical effects, and treatment protocols for health surveillance purposes.
Health and Mental Hygiene, Dept. of · 52 pages
- added
NYC-WTC_000195120 – NYC-WTC_000195163
Technical document listing chemical identifiers, CAS registry numbers, and synonyms for various types of asbestos fibers including chrysotile and amosite.
Health and Mental Hygiene, Dept. of · 44 pages
- added
NYC-WTC_000195164 – NYC-WTC_000195190
Medical reference document outlining administration details and toxicological effects of asbestos exposure, including reproductive and genetic impacts.
Health and Mental Hygiene, Dept. of · 27 pages
- added
NYC-WTC_000195191 – NYC-WTC_000195192
Laboratory report detailing the analysis of dust samples from a specific address to determine the presence of asbestos fibers using microscopy methods.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000195193
Summary of interim air sampling data collected by NIOSH on October 4, 2001, characterizing occupational asbestos exposures for rescue workers.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000195194 – NYC-WTC_000195366
Document excerpt acknowledging contributors and outlining the collaborative scope of an EPA environmental protection study regarding the World Trade Center site.
Health and Mental Hygiene, Dept. of · 173 pages
- added
NYC-WTC_000195367
Department of Health and Mental Hygiene memo discussing a published study on toxic organic chemicals in WTC dust samples.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000195368
Official correspondence inviting individuals exposed to the World Trade Center disaster to enroll in a health registry tracking long-term effects.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000195369
Summary of interim air sampling data collected by NIOSH on September 26, 2001, characterizing occupational exposures to carbon monoxide and silica.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000195370 – NYC-WTC_000195371
Environmental monitoring record documenting temperature, humidity, CO2, and particulate levels at a specific location in October 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195372 – NYC-WTC_000195373
Lab report documenting indoor air temperature, humidity, CO2, CO, and particulate levels at a building on November 8, 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195374 – NYC-WTC_000195375
Lab report documenting indoor air temperature, humidity, CO2, CO, and particulate levels at a building on October 30, 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195376 – NYC-WTC_000195377
Lab report documenting indoor air temperature, humidity, CO2, CO, and dust levels at a building on October 16, 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195378 – NYC-WTC_000195379
Lab report documenting indoor air temperature, humidity, CO2, CO, and particulate levels at a building on October 30, 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195380 – NYC-WTC_000195381
Lab report documenting indoor air temperature, humidity, CO2, CO, and dust levels at a building on October 16, 2001.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000195382 – NYC-WTC_000195385
Laboratory submission form for asbestos fiber analysis by transmission electron microscopy received on November 6, 2001.
Housing Preservation and Development, Dept. of · 4 pages
- added
NYC-WTC_000195386 – NYC-WTC_000195399
Laboratory submission form for asbestos fiber analysis by transmission electron microscopy received on October 31, 2001.
Housing Preservation and Development, Dept. of · 14 pages
- added
NYC-WTC_000195400 – NYC-WTC_000195403
Laboratory submission form for asbestos fiber analysis by transmission electron microscopy received on November 5, 2001.
Housing Preservation and Development, Dept. of · 4 pages
- added
NYC-WTC_000195404
Laboratory report detailing asbestos fiber counts in air samples collected from the 38th floor of a building on October 24, 2001.
Housing Preservation and Development, Dept. of · 1 pages
- added
NYC-WTC_000195405
Laboratory report detailing asbestos fiber counts in air samples collected from the 1st floor of a building on October 24, 2001.
Housing Preservation and Development, Dept. of · 1 pages
- added
NYC-WTC_000195406 – NYC-WTC_000195414
Laboratory report detailing asbestos fiber analysis by transmission electron microscopy for samples collected on October 20, 2001.
Housing Preservation and Development, Dept. of · 9 pages
- added
NYC-WTC_000195415 – NYC-WTC_000195423
Laboratory report detailing asbestos fiber analysis by transmission electron microscopy for samples collected on October 23, 2001.
Housing Preservation and Development, Dept. of · 9 pages
- added
NYC-WTC_000195424 – NYC-WTC_000195432
Laboratory report detailing asbestos fiber analysis by transmission electron microscopy for samples collected on October 24, 2001.
Housing Preservation and Development, Dept. of · 9 pages
- added
NYC-WTC_000195433 – NYC-WTC_000195441
Laboratory report detailing asbestos fiber analysis by transmission electron microscopy for samples collected on October 25, 2001.
Housing Preservation and Development, Dept. of · 9 pages
- added
NYC-WTC_000195448
Blank chain of custody form used to track the transfer and handling of environmental samples between collection and analysis.
Law Department · 1 pages
- added
NYC-WTC_000195449
Blank chain of custody form used to track the transfer and handling of environmental samples between collection and analysis.
Law Department · 1 pages
- added
NYC-WTC_000195450
Blank chain of custody form used to track the transfer and handling of environmental samples between collection and analysis.
Law Department · 1 pages
- added
NYC-WTC_000195454 – NYC-WTC_000195457
Laboratory report showing pH and chemical contaminant levels in aqueous samples collected on April 15, 2004.
Law Department · 4 pages
- added
NYC-WTC_000195469
Document recording effluent measurements for solids, grease, and flow rates at the Fresh Kills Landfill facility.
Law Department · 1 pages
- added
NYC-WTC_000195490 – NYC-WTC_000195738
Invoice from the Office of Management and Budget regarding services provided by the Office of the Chief Medical Examiner in 2002.
Chief Medical Examiner, Office of · 249 pages
- added
NYC-WTC_000195739
Form recording the collection and chain of custody for public water supply samples submitted for bacterial analysis in February 2002.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195740
Reference sheet listing target analytes including PM 2.5, metals, PAHs, PCBs, dioxins, and VOCs for World Trade Center air monitoring.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195741 – NYC-WTC_000195769
Billing document from a contractor for air sampling services provided in the Manhattan area during December 2002.
Emergency Management, Office of · 29 pages
- added
NYC-WTC_000195770
Report presenting analytical results for dioxins and furans in air samples collected at the World Trade Center site between September and October 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195771
Log of total particulate matter measurements recorded at a school location over two days in October 2001 with compliance status notes.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195772 – NYC-WTC_000195775
Laboratory submission form requesting asbestos analysis via EPA microscopy methods for a specific building project in October 2001.
Emergency Management, Office of · 4 pages
- added
NYC-WTC_000195776
Lab report detailing PCM and TEM fiber counts from air samples collected on October 6, 2001, for asbestos monitoring.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195777 – NYC-WTC_000195781
Emergency Management ICS 201 form summarizing operations from March 23 to 29, 2002.
Emergency Management, Office of · 5 pages
- added
NYC-WTC_000195782 – NYC-WTC_000195786
Data sheet recording OSHA compliance air monitoring results for asbestos during renovation and cleaning work at World Trade Center buildings.
Emergency Management, Office of · 5 pages
- added
NYC-WTC_000195787 – NYC-WTC_000195789
Administrative form documenting a Federal Emergency Management Agency disaster declaration and project completion status in December 2001.
Management and Budget, Office of · 3 pages
- added
NYC-WTC_000195790
Measurement log of temperature, humidity, CO2, and particulate levels at various locations within a building on October 17, 2001.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195791 – NYC-WTC_000195792
Environmental monitoring data recording indoor and outdoor air quality parameters including VOCs and particulates on October 25, 2001.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000195793
Report detailing environmental conditions within a fresh air chamber and surrounding areas on October 16, 2001.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195794
Data sheet recording temperature, humidity, and gas levels at a specific floor section on October 16, 2001.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195795
Monitoring log of indoor and outdoor air quality metrics including particulate levels recorded on October 25, 2001.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195796 – NYC-WTC_000195800
Document outlining requirements for a pre-bid conference regarding asbestos abatement and air monitoring at a World Trade Center facility.
Management and Budget, Office of · 5 pages
- added
NYC-WTC_000195801
Reference table listing budget codes and categories for various supplies, fuel, travel, and leasing expenses.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195802 – NYC-WTC_000195805
Documentation tracking the chain of custody for a specific batch of air sampling cassettes used in environmental monitoring.
Management and Budget, Office of · 4 pages
- added
NYC-WTC_000195806 – NYC-WTC_000195807
Record documenting the transfer and handling of air sampling equipment lots for a specific project site.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000195808
Log sheet recording the delivery and receipt of tools, lumber, and miscellaneous supplies at a construction job site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000195809
Chain of custody record for air samples collected at 104 East 25th Street on October 9, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000195810
Laboratory data sheet recording gravimetric weights and residue calculations for asbestos bulk sample batch analysis.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000195811
Cover letter and invoice summary linking chain of custody forms to air sampling schedules for World Financial Center projects in September 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000195812
Laboratory report detailing transmission electron microscopy results for air samples collected at 130 Liberty Building in February 2003.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000195813 – NYC-WTC_000195821
Laboratory report detailing transmission electron microscopy results for air samples collected at 130 Liberty Building in April 2003.
Environmental Protection, Dept. of · 9 pages
- added
NYC-WTC_000195822
Newspaper excerpt from October 2001 discussing environmental medicine research and air quality levels in New York following the attacks.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000195823 – NYC-WTC_000195827
EPA memorandum listing laboratories offering ultrasonication testing for asbestos structures in carpets and woven fabrics as of June 2002.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000195828 – NYC-WTC_000195830
Document summarizing transmission electron microscopy analysis results for asbestos samples conducted by Arnold S. Warwick & Co.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000195831
Fax cover sheet from the New York Lab transmitting asbestos analysis results for the USPHS Mission #12 project in December 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000195832
Chain of custody and field data record for asbestos analyses conducted under USPHS Mission #12 at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000195837
Draft document legend defining symbols for WTC site area and PCM detection contours from December 2001 air monitoring data.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000195838 – NYC-WTC_000195840
Certificate of analysis for asbestos air quality testing conducted on the fourth floor of the Battery Maritime Building in October 2001.
Transportation, Dept. of · 3 pages
- added
NYC-WTC_000195841 – NYC-WTC_000195847
Laboratory report for air quality testing conducted at 40 North Street in New York on September 26, 2001.
Transportation, Dept. of · 7 pages
- added
NYC-WTC_000195848
Overview document outlining the air monitoring plan for asbestos, particulate matter, and hazardous substances at the WTC site as of September 2001.
Fire Department · 1 pages
- added
NYC-WTC_000195849
Data sheet recording asbestos air sampling results using PCM and TEM methods at the World Trade Center site on September 27, 2001.
Fire Department · 1 pages
- added
NYC-WTC_000195850 – NYC-WTC_000195861
Draft contract statement of work for implementing indoor dust sampling to analyze contaminants like asbestos and dioxin at the World Trade Center site.
Emergency Management, Office of · 12 pages
- added
NYC-WTC_000195863 – NYC-WTC_000195864
Status report summarizing air sampling results for asbestos at Fresh Kills landfill and New York City locations during October 2001.
Emergency Management, Office of · 2 pages
- added
NYC-WTC_000195865
Summary document reporting on PM 2.5, PCB, and dioxin monitoring levels around the World Trade Center disaster site in late 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195866
Summary of X-ray diffraction analysis results identifying crystalline phases and potential asbestos minerals in World Trade Center dust samples.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195867 – NYC-WTC_000195877
EPA and DEC preliminary sediment analysis from September 15, 2001 detected PCBs, lead, mercury, and PAHs exceeding safety standards.
Emergency Management, Office of · 11 pages
- added
NYC-WTC_000195878
Summary table listing counts of asbestos, silica, and other contaminants found in wipe samples from various WTC building surfaces.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195879
Laboratory summary of analyses for bulk materials including PCBs, PAHs, mercury, and lead concentrations from World Trade Center structures.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195880
Daily report on asbestos air monitoring at Fresh Kills landfill and the WTC Emergency Response site comparing results to AHERA standards.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195881
Log of asbestos air sampling data from Staten Island collected between October 5 and 6, 2001, including PCM and TEM fiber counts.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195882
Table of laboratory results for airborne metal concentrations at multiple locations around the World Trade Center site on October 4, 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195883
Daily log of asbestos air sampling data from the World Trade Center site collected on October 6, 2001, detailing fiber counts and locations.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195884
Log of asbestos air sampling data from Staten Island collected on October 3, 2001, showing PCM and TEM fiber counts for six samples.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195885 – NYC-WTC_000195886
Overview of EPA response activities including wash stations and monitoring data regarding World Trade Center dust and asbestos control efforts.
Emergency Management, Office of · 2 pages
- added
NYC-WTC_000195926 – NYC-WTC_000195927
Report on 24-hour average PM2.5 concentrations at three Lower Manhattan sites during October 19 and 20, 2001, all below federal standards.
Emergency Management, Office of · 2 pages
- added
NYC-WTC_000195928 – NYC-WTC_000195929
Summary of asbestos air monitoring at the WTC Emergency Response site and Fresh Kills landfill for October 18 through 20, 2001.
Emergency Management, Office of · 2 pages
- added
NYC-WTC_000195930 – NYC-WTC_000195934
ICS 201 chain of custody document covering the period from January 12 to 18, 2002, for World Trade Center related samples.
Emergency Management, Office of · 5 pages
- added
NYC-WTC_000195935
Request form for bacteriological analysis of public water supplies and bottled water associated with the World Trade Center site response.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195936
Document explaining occupational exposure limits (PEL, TLV) and reporting metrics for air sample results from late November to early December 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195944
Summary of EPA activities from September 18, 2001, including continuous air monitoring for asbestos, VOCs, lead, and dioxin at Ground Zero.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000195948
Laboratory report of bulk asbestos analysis results for samples taken from floors 6 through 9 of 75 Park Place in January 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195949 – NYC-WTC_000195950
Laboratory report detailing phase contrast microscopy fiber counts from a sample collected in February 1996.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000195951 – NYC-WTC_000195955
Laboratory report presenting PCM microscopy fiber counts for samples collected on January 8, 1997.
Management and Budget, Office of · 5 pages
- added
NYC-WTC_000195956
Laboratory report containing PCM microscopy fiber density and concentration data for a specific job number.
Management and Budget, Office of · 1 pages