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_000185967 – NYC-WTC_000185970
Report from ATC Associates detailing indoor air quality measurements collected at PS 89M for the Board of Education.
Education, Dept. of · 4 pages
- added
NYC-WTC_000185971 – NYC-WTC_000185978
Field data sheet recording temperature, humidity, and gas levels at PS 89M to assess compliance with air quality guidelines.
Education, Dept. of · 8 pages
- added
NYC-WTC_000185979 – NYC-WTC_000185982
Report from ATC Associates detailing indoor air quality measurements collected at PS 89M for the Board of Education.
Education, Dept. of · 4 pages
- added
NYC-WTC_000185983 – NYC-WTC_000185990
Field data sheet recording environmental parameters and TVOCs at PS 89M to evaluate indoor air quality compliance.
Education, Dept. of · 8 pages
- added
NYC-WTC_000185991 – NYC-WTC_000185998
Field data sheet recording temperature, humidity, and gas levels at PS 89M to assess compliance with air quality guidelines.
Education, Dept. of · 8 pages
- added
NYC-WTC_000185999 – NYC-WTC_000186006
Field data sheet recording environmental parameters and TVOCs at PS 89M to evaluate indoor air quality compliance.
Education, Dept. of · 8 pages
- added
NYC-WTC_000186007 – NYC-WTC_000186014
Field data sheet recording environmental parameters and TVOCs at PS 89M to evaluate indoor air quality compliance.
Education, Dept. of · 8 pages
- added
NYC-WTC_000186015
Document answering public inquiries about asbestos risks, fiberglass analysis, and HEPA filter maintenance procedures.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186016
Excerpt describing a survey methodology used to identify home sources of lead exposure in children attending a preschool facility.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186017
Summary of PCM microscopy results for asbestos fiber concentrations at a residential address sampled on November 14, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186018
Chain of custody record for environmental samples handled by the Department of Health and Mental Hygiene in 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186019 – NYC-WTC_000186020
Laboratory receipt from EMSL Analytical confirming receipt of samples for the Trinity Place Library project on September 1, 2002.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000186021
Laboratory receipt from EMSL Analytical confirming receipt of samples for lead analysis on August 21, 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186022
Memo summarizing air monitoring results for asbestos during controlled carpet cleaning procedures at a facility on August 20, 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186023
Instructions for HVAC shutdown, enclosure setup, and air sampling protocols for asbestos testing in an auditorium and office.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186024 – NYC-WTC_000186025
Chain of custody document for lead sampling data collection at a City Hall project location.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000186026
Form recording lead sample identification and chain of custody details for environmental analysis.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186028
Laboratory receipt from EMSL Analytical confirming receipt of samples for lead analysis on August 13, 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186030
Daily monitoring sheet and chain of custody record for environmental samples collected at a site in August 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186034
Daily monitoring sheet and chain of custody record for environmental samples collected at a site in August 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186035 – NYC-WTC_000186072
Data log entry recording environmental sample results and metadata for a site sampled on September 25, 2001.
Health and Mental Hygiene, Dept. of · 38 pages
- added
NYC-WTC_000186073 – NYC-WTC_000186074
Laboratory report detailing NIOSH 7400 fiber analysis of air samples from PS 1893 collected in September 2001.
Health and Mental Hygiene, Dept. of · 2 pages
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NYC-WTC_000186075 – NYC-WTC_000186110
Annual New York State Air Quality Monitoring Data Tables covering the period from 1999 to 2001.
Health and Mental Hygiene, Dept. of · 36 pages
- added
NYC-WTC_000186115 – NYC-WTC_000186117
Documentation defining fields for unique IDs, sample identifiers, and analyte types used in environmental health records.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000186118
Summary of asbestos air sampling results collected between September 22 and 23, 2001, using PCM and TEM analysis methods.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186119
Draft log recording PM 2.5 air sampling data from PS 274 collected on September 24, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186120 – NYC-WTC_000186122
Summary report of asbestos air and dust sampling results from four locations at 88 Chambers Street on November 19, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
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NYC-WTC_000186123 – NYC-WTC_000186125
Summary report of asbestos air and dust sampling results from four locations at 66 and 90 Chambers Street on November 20, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
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NYC-WTC_000186126 – NYC-WTC_000186128
Summary report of asbestos air and dust sampling results from four locations at 16 Chambers Street on December 1, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000186129 – NYC-WTC_000186130
Summary report of asbestos air and dust sampling results from three locations at 161 East Street on December 8, 2001.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000186131
Data tables and charts documenting calcite levels in dust samples from residential sites between November 4 and December 11, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186132 – NYC-WTC_000186137
Draft document outlining health effects screening criteria for ambient air developed by EPA Region 2 in October 2002.
Health and Mental Hygiene, Dept. of · 6 pages
- added
NYC-WTC_000186138 – NYC-WTC_000186172
Table comparing contaminant levels before and after cleaning for Unit 2A, including dioxin, PAHs, asbestos, and lead.
Health and Mental Hygiene, Dept. of · 35 pages
- added
NYC-WTC_000186173 – NYC-WTC_000186184
Data table comparing wipe sample conductivity or contamination levels before and after the first cleaning for Unit 2A.
Health and Mental Hygiene, Dept. of · 12 pages
- added
NYC-WTC_000186185
Table ranking cleaning tests by contamination level to determine the number of cleaning cycles required for specific areas.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186186 – NYC-WTC_000186187
Summary report of OSHA air monitoring results for asbestos and noise in the Financial District as of January 2, 2002.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000186188 – NYC-WTC_000186191
Detailed log of OSHA crystalline silica air sampling results from the World Trade Center site collected between April 15 and 21, 2002.
Health and Mental Hygiene, Dept. of · 4 pages
- added
NYC-WTC_000186192
Laboratory results for asbestos bulk samples collected in September 2001, including PLM and TEM analysis data.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186193 – NYC-WTC_000186246
Draft environmental data report for the World Trade Center site prepared by IT Corporation for the EPA in November 2001.
Health and Mental Hygiene, Dept. of · 54 pages
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NYC-WTC_000186247
A document displaying air monitoring data for site PS 64 as of September 14, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186248
List of New York State air monitoring sites with current PM2.5 readings as of September 14, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186249 – NYC-WTC_000186255
Report on EPA air sampling for asbestos at fixed stations in Lower Manhattan during September 14-15, 2001.
Health and Mental Hygiene, Dept. of · 7 pages
- added
NYC-WTC_000186256
Results of asbestos air monitoring conducted by the Department of Environmental Protection at various New York City sites in September 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186257
Air sampling results for asbestos using PCM and TEM methods at an unspecified NYC location on September 20, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186258
Air sampling results for asbestos using PCM and TEM methods at an unspecified NYC location on September 19, 2001.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186259 – NYC-WTC_000186262
Air sampling results for asbestos using PCM and TEM methods at an unspecified NYC location on September 21-22, 2001.
Health and Mental Hygiene, Dept. of · 4 pages
- added
NYC-WTC_000186263 – NYC-WTC_000186264
Summary of asbestos dust sampling results from a residential address on December 4, 2001.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000186265
An internal memo outlining agenda items for a World Trade Center health data meeting scheduled for August 2004.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000186266
Summary of OSHA asbestos monitoring activities in the Financial District and secure area surrounding the World Trade Center from September 13 to 23, 2001.
Fire Department · 1 pages
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NYC-WTC_000186267
Analytical report for asbestos, fiberglass, and silica testing of samples from FDNY Ambulance #333 collected in December 2002.
Fire Department · 1 pages
- added
NYC-WTC_000186268
Summary table of wipe sample results for silica, asbestos, PAHs, and other contaminants from various surfaces at the World Trade Center site.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000186269
A one-page fax transmission originating from RJ [name] Inc. dated June 2002.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000186270
Summary of bulk asbestos analysis results for samples collected from the 6th through 9th floors of 75 Park Place in February 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186274
Chain of custody documentation for environmental samples shipped by Environmental Health Investigations, Inc., on March 1, 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186275 – NYC-WTC_000186279
Laboratory report detailing bacterial and fungal analysis results for swab samples received in February 2002.
Management and Budget, Office of · 5 pages
- added
NYC-WTC_000186280
Laboratory report documenting PCM fiber analysis results for air samples collected in August 1997.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186281
Laboratory report documenting PCM fiber analysis results for air samples collected on August 27, 1997.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186282
Laboratory report documenting PCM fiber analysis results for air samples collected on August 28, 1997.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186283
Laboratory report documenting PCM fiber analysis results for air samples collected on September 22, 1997.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186284
Laboratory report documenting PCM fiber analysis results for air samples collected in October 1997.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186285 – NYC-WTC_000186287
Laboratory report documenting PCM fiber analysis results for air samples collected on August 11, 1998.
Management and Budget, Office of · 3 pages
- added
NYC-WTC_000186288 – NYC-WTC_000186289
Laboratory report documenting PCM fiber analysis results for air samples collected on August 11, 1998.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000186290
Laboratory report documenting PCM fiber analysis results for air samples collected in August 1998.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186291 – NYC-WTC_000186292
Laboratory report documenting PCM fiber analysis results for air samples collected in August 1998.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000186293
Laboratory report documenting PCM fiber analysis results for air samples collected in September 1998.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186294
Laboratory report documenting PCM fiber analysis results for air samples collected on September 22, 1998.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186295 – NYC-WTC_000186296
Laboratory report documenting PCM fiber analysis results for air samples collected in October 1998.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000186297
Form requesting TEM asbestos fiber analysis for a sample received on January 10, 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186298 – NYC-WTC_000186305
Laboratory report detailing TCDD and TCDF analysis results for a wipe sample from the NYC WTC area.
Management and Budget, Office of · 8 pages
- added
NYC-WTC_000186306 – NYC-WTC_000186317
Data sheet containing sample identification and tracking information for NYC World Trade Center environmental testing.
Management and Budget, Office of · 12 pages
- added
NYC-WTC_000186318 – NYC-WTC_000186345
Laboratory report detailing PCDD and PCDF analysis results for a gauze sample from the NYC WTC area.
Management and Budget, Office of · 28 pages
- added
NYC-WTC_000186346 – NYC-WTC_000186378
Laboratory report detailing PCDD and PCDF analysis results for a wipe sample from the NYC WTC area.
Management and Budget, Office of · 33 pages
- added
NYC-WTC_000186379 – NYC-WTC_000186386
Laboratory report detailing TCDD and TCDF analysis results for a wipe sample from the NYC WTC area.
Management and Budget, Office of · 8 pages
- added
NYC-WTC_000186387 – NYC-WTC_000186408
Laboratory report detailing PCDD and PCDF analysis results for a wipe sample from the NYC WTC area.
Management and Budget, Office of · 22 pages
- added
NYC-WTC_000186409
Invoice dated October 19, 2001, for environmental consulting services provided at B.M.C.C. following the World Trade Center collapse.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186410
Financial record reviewing building ownership, contract costs, and salvage values for the Fiterman site.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186411
Laboratory report detailing bulk asbestos test results for samples taken from floors 6 through 9 of 75 Park Place.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186412
Laboratory report detailing bulk asbestos test results for samples taken from the 7th floor of 75 Park Place.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000186413 – NYC-WTC_000186414
Laboratory report presenting bulk specific gravity calculations for compacted asphalt mixtures from World Trade Center paving cores.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000186415
Contractor log recording daily personnel classifications and heavy equipment usage at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186416
Letter transmitting water test results for asbestos and dioxin from sump and well discharge at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186417
Document establishing the chain of custody for samples submitted to STL Edison for environmental analysis.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186418
Transmittal letter providing NYC DEP authorization documentation for water analyses performed at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186419
Letter from STL Edison responding to a request for additional PCB analysis with method detection limits.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186420
Letter transmitting water test results for asbestos and dioxin from sump and well discharge at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186425 – NYC-WTC_000186427
Summary of OSHA sampling data for asbestos, lead, and noise exposures at the World Trade Center site as of February 2002.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000186428
Chain of custody document from Environmental Testing Laboratories Inc for tracking sample handling and transfer.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186429 – NYC-WTC_000186460
Cover page for a laboratory report regarding environmental testing at the World Trade Center site on Vesey Street.
Design and Construction, Dept. of · 32 pages
- added
NYC-WTC_000186461
Log sheet recording air sampling details, flow rates, and chain of custody for samples taken at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186462 – NYC-WTC_000186463
Data sheet recording OSHA personal air sampling results for asbestos exposure on the World Trade Center rubble pile.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000186464 – NYC-WTC_000186467
Data sheet recording OSHA personal air sampling results for asbestos exposure during steel loading operations at Pier 6.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000186468 – NYC-WTC_000186469
Summary report of air monitoring results including lead and quartz concentrations for workers at the World Trade Center site.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000186471
Chain of custody form and log sheet for recording air sampling parameters and technician details at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000186473 – NYC-WTC_000186476
Analytical results report detailing volatile organic compounds detected in soil and water samples from the World Trade Center site.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000186477
Memo transmitting water sample test results for MTBE and chlorodifluoromethane from the World Trade Center site collected on March 11, 2002.
Design and Construction, Dept. of · 1 pages