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_000195957
Laboratory report listing toxic dioxin and furan concentrations in water samples from the World Trade Center site.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195958 – NYC-WTC_000195959
Chemical analysis results for polychlorinated dibenzo-p-dioxins and furans from a surface wipe sample collected in January 2002.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000195960 – NYC-WTC_000195961
Chemical analysis results for polychlorinated dibenzo-p-dioxins and furans from a surface wipe sample collected in January 2002.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000195962 – NYC-WTC_000195994
Detailed chromatographic data listing matched peaks and retention times for compounds analyzed in World Trade Center water samples.
Management and Budget, Office of · 33 pages
- added
NYC-WTC_000195995
Laboratory results for dioxin and furan compounds from a surface wipe sample collected at the World Trade Center site in January 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000195996 – NYC-WTC_000196001
Detailed chromatographic data listing matched peaks and retention times for compounds analyzed in World Trade Center water samples.
Management and Budget, Office of · 6 pages
- added
NYC-WTC_000196002 – NYC-WTC_000196003
Chemical analysis results for polychlorinated dibenzo-p-dioxins and furans from a surface wipe sample collected in January 2002.
Management and Budget, Office of · 2 pages
- added
NYC-WTC_000196004
Invoice from an environmental consultant for services related to gymnasium and classroom testing following the World Trade Center collapse.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000196005
Financial document detailing costs for relocating the Office of Management and Budget to 75 Park Place and improving the leasehold at 59 Chambers Street.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000196006
Authorization form issued by the Department of Design and Construction to Mazzocchi Wrecking for additional demolition work at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196007
Authorization form issued by the Department of Design and Construction to Mazzocchi Wrecking for additional demolition work at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196010
Summary table of bulk material analysis results identifying asbestos content in samples from a building at 30 West Broadway.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196011
Authorization form issued by the Department of Design and Construction to Mazzocchi Wrecking for additional demolition work at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196012
Form from the New York City Department of Health requesting bacteriological analysis and recording chain-of-custody details for a water sample.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196015
Form from the New York City Department of Health requesting bacteriological analysis and recording chain-of-custody details for a waste water sample.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196016
Form from the New York City Department of Health requesting bacteriological analysis and recording chain-of-custody details for a water sample.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196018
Form from the New York City Department of Health requesting bacteriological analysis and recording chain-of-custody details for a waste water sample.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196021
Letter transmitting MTBE water sample analysis results from the World Trade Center site dated February 19, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196022
Department of Environmental Protection document listing effluent discharge limits and test results for temperature, hydrocarbons, pH, and metals at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196023
Laboratory data sheet showing spike and matrix duplicate recovery percentages for volatile organic compounds like benzene and toluene.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196024
Laboratory data sheet for volatile organic compounds analysis of a water sample collected at the World Trade Center site on January 10, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196025
Laboratory data sheet for volatile organic compounds analysis of a second water sample collected at the World Trade Center site on January 10, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196026
Laboratory report detailing analytical results for volatile organic compounds in water samples from the World Trade Center site dated January 10, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196027
Laboratory report presenting results for volatile organic compounds in water samples from the World Trade Center site dated January 10, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196028
Correspondence transmitting MTBE water analysis results from the World Trade Center site collected on January 21, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196029
Correspondence transmitting MTBE water analysis results from the World Trade Center site collected on January 11, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196030 – NYC-WTC_000196033
Summary sheet of analytical results for volatile compounds in water samples from the World Trade Center site dated January 14, 2002.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000196034 – NYC-WTC_000196039
Laboratory data sheet for pesticide organic analysis of a soil sample collected at Ground Zero on May 31, 2002.
Design and Construction, Dept. of · 6 pages
- added
NYC-WTC_000196040
Fax transmission of preliminary environmental analysis results including VOCs, SVOCs, and metals for samples collected in May 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196041
Laboratory data sheet for inorganic metal analysis of a soil sample from Ground Zero collected on May 21, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196042
Laboratory data sheet for inorganic metal analysis of a soil sample from the Liberty site collected on March 7, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196043
Laboratory data sheet for inorganic metal analysis of a second soil sample from the Liberty site collected on March 7, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196044 – NYC-WTC_000196045
Laboratory report detailing bacterial and fungal counts from wipe samples collected at the World Trade Center site in July 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000196046 – NYC-WTC_000196047
Report on non-viable air sampling results for the World Trade Center site collected in June 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000196048
Invoice for air monitoring services provided at the World Trade Center site during the period January 7 to February 2, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196049
Interim bulk and air sampling report by NIOSH characterizing asbestos, silica, and metals at the World Trade Center debris pile on September 19, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196050
Invoice for environmental monitoring labor services provided at the World Trade Center site from September 25 to 27, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196051
Invoice for environmental monitoring services provided at the World Trade Center site in October 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196052
Cover letter enclosing invoices and laboratory reports related to the World Trade Center emergency response activities performed in July 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196053 – NYC-WTC_000196054
Certificate of analysis and chain of custody document for samples collected at the World Trade Center site on September 26, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000196055 – NYC-WTC_000196056
Document tracking the chain of custody for samples submitted to AMA Analytical Services for microscopy analysis.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000196057
Form recording sample details and chain of custody information for environmental testing services in November 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196060
Unreadable or generic administrative document from the Department of Design and Construction regarding a site in Flushing.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196061
Invoice from Ground/Water Treatment & Technology Inc. for air monitoring services performed at the World Trade Center site in late 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000196064
List of air monitoring sampling locations in Brooklyn, Queens, Manhattan, and Staten Island scheduled to begin September 14, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196065 – NYC-WTC_000196067
Laboratory report from Scientific Laboratories Inc. detailing the results of a bulk asbestos analysis at 61 Broadway in Manhattan.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196068
Document summarizing the number of positive and negative results for bulk and air samples analyzed for asbestos content.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196069
Transmittal document from EMSL Analytical Inc. acknowledging receipt of samples for the 71 Broadway project in November 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196070
Transmittal document from EMSL Analytical Inc. acknowledging receipt of samples for the 71 Broadway project in January 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196071 – NYC-WTC_000196095
Laboratory air monitoring report for 111-115 Broadway prepared by AKRF for Rosemnan & Colin LLP in February 2002.
Environmental Protection, Dept. of · 25 pages
- added
NYC-WTC_000196096 – NYC-WTC_000196097
Transmittal document from EMSL Analytical Inc. acknowledging receipt of samples for the ACVA57 project in September 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196098
Form documenting the chain of custody for asbestos bulk samples, including client details and sample location information.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196099
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196100
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196101
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196102
Transmittal form for asbestos-containing material bulk samples submitted to Scientific Labs in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196103 – NYC-WTC_000196104
Chain of custody form documenting asbestos bulk samples collected from apartments at 176 Broadway in September 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196105
Application form submitted to the Department of Environmental Protection regarding asbestos status at a Broadway facility in April 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196107
Report from Kam Consultants detailing bulk sample analysis results for various floors of the building at 222 Broadway.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196108
Report of air monitoring using phase contrast microscopy for asbestos at the 16th floor roof of 222 Broadway.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196109
Letter describing TEM analysis of six air samples collected on October 11, 2001, to document fiber concentrations.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196110
Reference sheet defining amphibole asbestos types including amosite and crocidolite for electron microscopy analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196111
Laboratory results for asbestos fiber analysis via transmission electron microscopy on samples collected from multiple floors at 250 Broadway.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196112 – NYC-WTC_000196120
Summary document regarding environmental sampling and cleanup activities at 250 Broadway following September 11.
Environmental Protection, Dept. of · 9 pages
- added
NYC-WTC_000196121
Form summarizing counts of positive and negative bulk and air samples analyzed by PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196122 – NYC-WTC_000196124
Consulting firm correspondence confirming asbestos testing performed at 115 Chambers Street on October 19, 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196125
Data collection form for recording pump flow rates and sample locations during asbestos air sampling events.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196126 – NYC-WTC_000196131
Tabular record of environmental samples including location, floor, test method, and concentration results.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000196132 – NYC-WTC_000196133
Summary page for the ASTM standard regarding asbestos sampling and analysis by transmission electron microscopy.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000196135 – NYC-WTC_000196137
Table of ambient air fiber concentrations measured at various street intersections in early September 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000196138 – NYC-WTC_000196144
Laboratory analysis report for an asbestos air sample collected from Broadway Avenue in September 2001.
Environmental Protection, Dept. of · 7 pages
- added
NYC-WTC_000196145 – NYC-WTC_000196149
Document explaining the DEP network of outdoor air monitors and the PCM versus TEM testing protocols for asbestos.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000196150 – NYC-WTC_000196154
Guidance document discussing the application of the 1 percent asbestos threshold rule for debris cleanup at Ground Zero.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000196155 – NYC-WTC_000196172
Draft log sheet recording unique document IDs and sample data from multiple agencies as of December 31, 2001.
Environmental Protection, Dept. of · 18 pages
- added
NYC-WTC_000196173 – NYC-WTC_000196190
Draft log sheet recording unique document IDs and sample data from multiple agencies as of December 21, 2001.
Environmental Protection, Dept. of · 18 pages
- added
NYC-WTC_000196191 – NYC-WTC_000196208
Draft log sheet recording unique document IDs and sample data from multiple agencies as of December 19, 2001.
Environmental Protection, Dept. of · 18 pages
- added
NYC-WTC_000196209 – NYC-WTC_000196240
Draft log sheet recording unique document IDs and sample data from multiple agencies as of December 7, 2001.
Environmental Protection, Dept. of · 32 pages
- added
NYC-WTC_000196241 – NYC-WTC_000196246
Draft log sheet recording unique document IDs and sample data from multiple agencies as of December 5, 2001.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000196247 – NYC-WTC_000196264
Draft log recording inter-agency environmental sampling activities conducted on December 5, 2001.
Environmental Protection, Dept. of · 18 pages
- added
NYC-WTC_000196265
Laboratory report detailing airborne fiber analysis via phase contrast microscopy for a client job in the World Trade Center area.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196266
Chain-of-custody form for air monitoring samples collected at 228 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196267
Chain-of-custody form for air monitoring samples collected at 220 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196268
Completed chain-of-custody log sheet recording sample collection details and flow rates for air monitoring at a New York site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196269
Chain-of-custody form for air monitoring samples collected at 220 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196270
Chain-of-custody form for air monitoring samples collected at 228 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196271
Chain-of-custody log sheet recording sample collection details and flow rates for air monitoring at a New York site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196272
Chain-of-custody form for air monitoring samples collected at 228 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196273
Chain-of-custody log sheet recording sample collection details and flow rates for air monitoring at a New York site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196274
Chain-of-custody form for air monitoring samples collected at 235 East 45th Street by Warren & Panzer Engineers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196275
Engineering drawing displaying PCM detection contours within the World Trade Center site area.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196276
Monitoring log sheet recording flow rates and concentration data from a DataRAM instrument at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196277
Log sheet for air samples collected by JLC Environmental Consultants and processed by EMSL Manhattan laboratory.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196278
Laboratory report from EMSL Manhattan documenting air sample analysis for asbestos fibers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196279
Log sheet for air samples collected by JLC Environmental Consultants and processed by EMSL Manhattan laboratory.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196280
Log sheet for air samples collected by JLC Environmental Consultants and processed by EMSL Manhattan laboratory.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196281
Fax cover sheet from EMSL Manhattan transmitting air sample results to JLC Environmental Consultants for a project on West Street.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196282
Laboratory report from EMSL Manhattan documenting air sample analysis for asbestos fibers.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000196283
Detailed log recording field measurements and chain-of-custody information for air samples analyzed by EMSL Manhattan.
Environmental Protection, Dept. of · 1 pages