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_000202708 – NYC-WTC_000202712
Summary of analytical results for volatile compounds in water samples collected on April 25, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000202713 – NYC-WTC_000202719
Laboratory report detailing detection levels of various dioxin congeners in a water sample from May 2002.
Design and Construction, Dept. of · 7 pages
- added
NYC-WTC_000202720 – NYC-WTC_000202722
Data table tracking chlorodifluoromethane concentrations in sump and dewatering water samples over several months.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000202723
Request form for laboratory analysis with chain of custody details for a specific project sample.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000202725
Cover letter transmitting MTBE and other water analysis results from samples taken on June 24, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000202726 – NYC-WTC_000202730
Summary of analytical results for volatile compounds in water samples collected on June 24, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000202731 – NYC-WTC_000202735
Summary of analytical results for volatile compounds in a water sample collected on July 2, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000202736 – NYC-WTC_000202740
Summary of analytical results for volatile compounds in water samples collected on July 9, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000202741
Memorandum reporting transmission electron microscopy results for asbestos fibers outside a school site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000202743
Newspaper excerpt describing elevated asbestos levels in World Trade Center collapse dust and cleanup efforts.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202744 – NYC-WTC_000202760
Department of Health preliminary survey report covering the period from September to December 2001 at the World Trade Center site.
Environmental Protection, Dept. of · 17 pages
- added
NYC-WTC_000202761 – NYC-WTC_000202763
Memo explaining the Department of Environmental Protection's ambient outdoor air monitoring program for asbestos fibers in Lower Manhattan.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202764
Laboratory report detailing air sampling results from the World Trade Center site using the NIOSH 7400 method.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202765
Internal routing form for the Department of Environmental Protection executive offices indicating document processing status.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202766
Certificate of analysis from a consulting firm regarding an air sample collected at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202767
Summary report of phase contrast microscopy results for air samples taken at Park Place and Greenwich Street locations.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202769
Field log sheet recording air sample collection details including location, flow rate, and volume for environmental monitoring.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202770
Transmittal fax from EMSL Analytical to JLC Environmental Consultants concerning asbestos fiber analysis for the Trinity Place project.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202771
Cover sheet for EMSL Analytical Inc. transmitting results for DEP Project 01-2158-03 at PS 234.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202772
Second page of an air sample log recording field collection data for environmental monitoring projects.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202773
Draft laboratory analysis report submitted to the Port Authority regarding pH levels in World Trade Center sump water samples.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202774
Draft laboratory analysis report submitted to the Port Authority regarding pH levels in World Trade Center sump water samples.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202775
Chain of custody record from Verltech for environmental samples submitted to the Department of Environmental Protection.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202776
Transmittal fax from EMSL Analytical to the Port Authority regarding water analysis results for World Trade Center sump dewatering.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202777
Laboratory record detailing the extraction and processing of water samples for chemical analysis by Veritech clients.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202778
Preliminary laboratory results showing dioxin and furan concentrations in water samples analyzed by Severn Trent Laboratories.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202779 – NYC-WTC_000202783
Summary of analytical findings for volatile organic compounds including benzene in water matrix samples from the World Trade Center site.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000202784
Formal chain of custody and analysis request document submitted to STL Edison Laboratories for environmental testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202785
Cover letter transmitting water sample testing results from June through August 2002 for the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202786
Correspondence transmitting dioxin test results from water samples collected at the World Trade Center site on June 24, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202787 – NYC-WTC_000202789
Table of laboratory results tracking chlorodifluoromethane levels in water samples from the World Trade Center sumping and dewatering operations.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202790 – NYC-WTC_000202793
Analytical report detailing concentrations of volatile organic compounds in water samples collected from dewatering wells at the World Trade Center.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000202794 – NYC-WTC_000202796
Log of MTBE concentration measurements in water samples from the World Trade Center sumping and dewatering project over a six-month period.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202797 – NYC-WTC_000202801
Summary of analytical results for water samples collected from the Greenwich Street sump pump and dewatering well at the World Trade Center.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000202802 – NYC-WTC_000202804
Continuation of the MTBE monitoring log for water samples from the World Trade Center sumping and dewatering operations into June 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202805
Laboratory report listing concentrations of heavy metals including lead, copper, and zinc in low-level water samples from the World Trade Center.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202806
Correspondence transmitting MTBE and chlorodifluoromethane water test results from the World Trade Center sump discharge and dewatering wells.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202807 – NYC-WTC_000202808
Table of MTBE concentration data from the World Trade Center sumping and dewatering project covering late 2001 through April 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202809 – NYC-WTC_000202813
Analytical summary of volatile compound levels in water samples from the World Trade Center sump and dewatering well collected on April 15, 2002.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000202814
Report of water sample test results from sump discharge and dewatering well at the World Trade Center site taken on April 15, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202816 – NYC-WTC_000202817
Laboratory report from EMSL detailing air fiber counts for samples collected at 111 Broadway using NIOSH 7400 methodology.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202818 – NYC-WTC_000202819
EMSL laboratory results for air fiber analysis conducted at 115 Broadway in mid-November 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202820 – NYC-WTC_000202821
EMSL laboratory results for air fiber analysis conducted at the 22nd floor of 115 Broadway in early October 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202822 – NYC-WTC_000202824
EMSL laboratory results for air fiber analysis of the entire building at 115 Broadway collected in early October 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202825
EMSL laboratory results for air fiber analysis of the basement at 115 Broadway collected in mid-October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202826 – NYC-WTC_000202828
EMSL laboratory results for air fiber analysis at 115 Broadway collected in mid-October 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202829
EMSL laboratory results for air fiber analysis at 115 Broadway collected in late October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202830
Laboratory report detailing air fiber counts from 115 Broadway collected on October 23, 2001, analyzed via PCM methodology.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202831
Final laboratory report detailing transmission electron microscopy air analysis results dated September 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202832 – NYC-WTC_000202833
Final laboratory report containing transmission electron microscopy air analysis results dated June 2004.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202834
Final laboratory report presenting transmission electron microscopy air analysis results dated July 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202835
Final laboratory report presenting transmission electron microscopy air analysis results dated late July 2004.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202836
ATC Associates report documenting transmission electron microscopy air sample analysis results for the DEP clean-up project dated October 1, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202837
ATC Associates report documenting transmission electron microscopy air sample analysis results for the DEP clean-up project dated October 1, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202838 – NYC-WTC_000202839
Chain of custody form from ATC Associates tracking asbestos fiber analysis by transmission electron microscopy for the DEP Clean-up project received October 1, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202840
ATC Associates report documenting transmission electron microscopy air sample analysis results for the DEP clean-up project dated October 2, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202841 – NYC-WTC_000202842
Chain of custody form from ATC Associates tracking asbestos fiber analysis by transmission electron microscopy for the DEP Clean-up project received October 2, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202843
ATC Associates report documenting transmission electron microscopy air sample analysis results for the DEP clean-up project dated October 12, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000202844 – NYC-WTC_000202846
Chain of custody form from ATC Associates tracking asbestos fiber analysis by transmission electron microscopy for the DEP Clean-up project received October 9, 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202847 – NYC-WTC_000202889
Laboratory form recording technical parameters and analysis details for TEM asbestos air sample testing conducted in October 2002.
Environmental Protection, Dept. of · 43 pages
- added
NYC-WTC_000202890 – NYC-WTC_000202932
Laboratory form recording technical parameters and analysis details for TEM asbestos air sample testing conducted in October 2002.
Environmental Protection, Dept. of · 43 pages
- added
NYC-WTC_000202933 – NYC-WTC_000202936
Form containing air monitoring data and turnaround time records for the Department of Environmental Protection.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000202937 – NYC-WTC_000202939
ATC Associates report documenting lead concentration analysis results for dust wipe samples from the DEP Dust Clean-up project dated October 16, 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000202940 – NYC-WTC_000202941
ATC Associates report documenting lead concentration analysis results for dust wipe samples from the DEP Dust Clean-up project dated October 21, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000202942 – NYC-WTC_000203008
Laboratory report from FSC Services documenting poly aromatic hydrocarbon analysis results for wipe samples dated September 26, 2002.
Environmental Protection, Dept. of · 67 pages
- added
NYC-WTC_000203009
Field log form from JLC Environmental Consultants recording air sample collection details including location, flow rate, and volume.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203010
Summary table from SciLab NYC presenting transmission electron microscopy results for asbestos air samples at 114 Liberty Street.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203011
Field log form from JLC Environmental Consultants recording air sample collection details including location, flow rate, and volume.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203012
Summary table from SciLab NYC presenting transmission electron microscopy results for asbestos air samples at 114 Liberty Street during WTC operations.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203013
Summary of transmission electron microscopy results for asbestos fibers in air samples collected at 114 Liberty Street.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203014 – NYC-WTC_000203015
Analytical results from polarized light microscopy for asbestos fibers in air samples collected at 114 Liberty Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203016
Log sheet recording details and locations of air samples submitted for analysis by JLC Environmental Consultants.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203017 – NYC-WTC_000203018
Analytical results from polarized light microscopy for asbestos fibers in air samples collected at 114 Liberty Street.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203019
Documentation tracking the transfer and handling of wipe samples submitted by JLC Environmental Consultants for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203025 – NYC-WTC_000203029
Laboratory report detailing analytical results for silica content in environmental samples collected for DEP cleanup projects.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000203030
Form used to document the chain of custody for samples submitted to PSC Analytical Services for testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203031
Checklist verifying sample integrity and chain of custody procedures for shipments received by PSC Analytical Services.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203032 – NYC-WTC_000203035
Laboratory report presenting analytical results for dioxins and furans in wipe samples collected for DEP cleanup projects.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000203036
Reference document describing the ASTM standard method for determining asbestos concentration in ambient atmospheres.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203037
Proposal outlining a survey and assessment plan for building interiors near the World Trade Center site to identify contaminants.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203038
Proposal submitted by an environmental consultant to conduct continuous air sampling at several New York City public schools.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203039 – NYC-WTC_000203041
Proposal from Athenica Environmental Services for air testing and monitoring services at multiple New York City high schools.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000203042
Interim report detailing occupational exposure measurements for acid gases, carbon monoxide, and silica at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203043
Interim report detailing occupational exposure measurements for acid gases and asbestos fibers at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203044
Interim report summarizing bulk and air sample analysis for asbestos, quartz, and metals at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203045
Memo documenting an inspection of HVAC rooms at 105 Liberty Street regarding tenant concerns over air quality and duct cleaning.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203046 – NYC-WTC_000203047
Preliminary report on grab samples of washup material collected at Sandy Hook Beach suggesting a sewage origin.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203048 – NYC-WTC_000203049
Preliminary report on grab samples of washup material collected at Sandy Hook Beach suggesting a sewage origin.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203050 – NYC-WTC_000203058
Report summarizing asbestos air sampling data collected at the Staten Island landfill using PCM and TEM methods.
Environmental Protection, Dept. of · 9 pages
- added
NYC-WTC_000203059
Draft gas chromatography/mass spectrometry report for volatile organic compounds collected at Pier 25 on October 15, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203060 – NYC-WTC_000203061
NYC response document detailing metal analysis results and quality control recoveries for six wipe samples collected on September 17, 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203062
Department of Environmental Protection advisory providing guidelines for building owners and tenants regarding asbestos air sampling procedures.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203063
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on October 15, 2001, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203065
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on September 25, 2001, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203066
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on November 13, 2001, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203067
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on October 10, 2001, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203068
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on November 27, 2001, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203069 – NYC-WTC_000203070
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on December 5, 2001, for analysis.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000203071
Laboratory receipt form from Microbac Laboratories documenting the submission of a sample on January 2, 2002, for analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000203072 – NYC-WTC_000203083
Laboratory report containing asbestos fiber concentration data using PCM and TEM microscopy methods from October 16, 2001.
Environmental Protection, Dept. of · 12 pages