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_000206712
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_000206713
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_000206714
Report from Testwell Laboratories documenting transmission electron microscopy analysis of air samples for asbestos clearance at 30 West Broadway.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206715
Filled air monitoring log sheet recording sample collection details, pump settings, and custody transfer signatures for asbestos testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206716
Chain-of-custody form from Warren & Panzer Engineers documenting air sample collection at 30 West Broadway side facades for asbestos analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206717
Laboratory report from Athenica showing transmission electron microscopy results for airborne asbestos at 30 West Broadway project site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206718
Filled air monitoring log sheet recording sample collection details, pump settings, and custody transfer signatures for asbestos testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206719
Technical countsheet from Athenica documenting individual particle identification and analysis parameters for transmission electron microscopy.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206720
Data table presenting analytical results for metals found in air samples collected at various WTC site locations including Albany Street and Rector Place.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206721
Project form from Enviro-Probe Inc. detailing asbestos abatement monitoring requirements and sample collection methods for the WTC site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206722
Filled air monitoring log sheet recording sample collection details, pump settings, and custody transfer signatures for asbestos testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206723
Filled air monitoring log sheet recording sample collection details, pump settings, and custody transfer signatures for asbestos testing.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206724
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 28, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206725
Documentation form used to record air sampling details, pump flow rates, and custody transfer information for environmental monitoring activities.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206726
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 25, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206727
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 18, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206728
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 25, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206729
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 24, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206730
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 18, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206731
Documentation form used to record air sampling details, pump flow rates, and custody transfer information for environmental monitoring activities.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206732
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 10, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206733
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on July 7, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206734
Documentation form used to record air sampling details, pump flow rates, and custody transfer information for environmental monitoring activities.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206735
Documentation form used to record air sampling details, pump flow rates, and custody transfer information for environmental monitoring activities.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206736
Completed chain-of-custody form recording specific air sampling times, flow rates, and fiber concentrations for the S.W. Area site on July 5, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206737
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on June 30, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206738
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on June 21, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206739
Completed chain-of-custody form recording specific air sampling times, flow rates, and fiber concentrations for the S.W. Area site on June 9, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206740
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on June 6, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206741
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on June 5, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206742
Laboratory report detailing phase contrast microscopy results for airborne fiber counting at the S.W. Area site collected on May 31, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206743
Completed chain-of-custody form recording specific air sampling times, flow rates, and fiber concentrations for the S.W. Area site on June 4, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206744
Chain-of-custody and air monitoring log sheet for samples collected at the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206749
Blank or partially filled air sample log form from Environmental Consultants, Inc., dated September 2001 for DEP project.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206750
Air sample log form from Environmental Consultants, Inc., dated May 2001, containing fields for sample location and flow rates.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206751 – NYC-WTC_000206753
Summary of EPA test results for lead, VOCs, and toxic gases in the hot zone with health interpretation as of September 21, 2001.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206754
Air sample log form from Environmental Consultants, Inc., dated September 2001, with fields for sample description and results.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206761 – NYC-WTC_000206762
Laboratory submission form for air analysis services from FP Scientific Labs dated September 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206763
Printout of air quality monitoring data from a state site index page for September 12, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206764 – NYC-WTC_000206765
Printout of air quality monitoring data from a state site index page for September 14, 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206766 – NYC-WTC_000206767
Report listing TWA and PESH asbestos sampling results for FDNY firefighters at the World Trade Center site on September 26, 2001.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206768
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206769
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206770
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206771
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206772
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206773
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206774
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206775
Summary sheet recording counts of positive and negative bulk and air samples for the World Trade Center site in September 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206776 – NYC-WTC_000206777
Form recording counts of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206778
Summary record listing counts of positive and negative bulk and air asbestos samples analyzed using PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206779 – NYC-WTC_000206780
Form documenting the number of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206781 – NYC-WTC_000206782
Record of bulk and air asbestos sample counts analyzed using PLM, PCM, and TEM methods for the World Trade Center site.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206783 – NYC-WTC_000206784
Form recording counts of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206785
Record listing the number of positive and negative bulk and air asbestos samples analyzed using PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206786
Form documenting counts of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206787
Record of bulk and air asbestos sample counts analyzed using PLM, PCM, and TEM methods for the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206788
Form recording counts of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206789
Record listing the number of positive and negative bulk and air asbestos samples analyzed using PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206790
Form documenting counts of positive and negative bulk and air asbestos samples analyzed via PLM, PCM, and TEM methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206791
Record of bulk and air asbestos sample counts analyzed using PLM, PCM, and TEM methods for the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206792 – NYC-WTC_000206796
Contract scope defining requirements for licensed abatement contractors to clean debris and monitor asbestos air sampling at 125 Cedar Street.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000206797 – NYC-WTC_000206803
Contract scope detailing mandatory pre-bid meeting and requirements for licensed contractors to clean and monitor asbestos at 114 Liberty Street.
Environmental Protection, Dept. of · 7 pages
- added
NYC-WTC_000206804
Laboratory report detailing the results of PLM analysis for bulk samples collected at 117 East 60th Street showing less than one percent asbestos.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206805 – NYC-WTC_000206814
Chemical product identification and composition details for Ashland Chemical's DWS 2009 corrosion inhibitor.
Environmental Protection, Dept. of · 10 pages
- added
NYC-WTC_000206815 – NYC-WTC_000206824
Chemical product identification and ingredient composition for Ashland Chemical's DWS 2818 corrosion inhibitor.
Environmental Protection, Dept. of · 10 pages
- added
NYC-WTC_000206827
Laboratory air sample analysis report from Niche Analysis Inc regarding asbestos task force work at East 38th Street water maintenance site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206828
Log recording air sample dates and PCM fiber counts per cubic centimeter for multiple locations at the World Trade Center site in September.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206829
Laboratory report listing concentrations of benzene and various brominated compounds detected in samples from the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206830
Legal analysis of EPA data regarding air, dust, and water contaminants at the World Trade Center site from September to October 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206831 – NYC-WTC_000206833
Documentation tracking the collection and transfer of personal air samples for asbestos analysis at the World Trade Center site in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206834 – NYC-WTC_000206836
Record detailing the chain of custody for air samples analyzed for asbestos fibers at the World Trade Center site in early 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206837 – NYC-WTC_000206839
Log of air sample collection locations and times at the World Trade Center site with associated chain of custody signatures from February 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206840 – NYC-WTC_000206842
Records detailing the chain of custody for personal air samples collected at various World Trade Center locations between February and March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206843 – NYC-WTC_000206845
Form tracking the custody and handling of air samples collected at the World Trade Center site for asbestos fiber analysis in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206846 – NYC-WTC_000206848
Record of air sample collection and chain of custody details for World Trade Center site asbestos monitoring in early 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206849 – NYC-WTC_000206851
Documentation tracking the collection and transfer of air samples for asbestos analysis at the World Trade Center site in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206852 – NYC-WTC_000206854
Form recording the chain of custody for air samples collected at the World Trade Center site for asbestos fiber analysis in March 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206855 – NYC-WTC_000206857
Log of air sample collection locations and chain of custody signatures for World Trade Center site asbestos monitoring in February 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206858
Correspondence transmitting laboratory results for methyl tertiary butyl ether concentrations in sump and dewatering discharge samples from February 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206859
Tabulated data tracking MTBE concentrations in water samples collected from the World Trade Center site during January and February 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206860
Document listing MTBE concentration limits and discharge levels for water samples from the World Trade Center site in early 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206861
Summary of MTBE concentration data from water samples collected at the World Trade Center site during January and February 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206862 – NYC-WTC_000206864
Analytical results for pH, total petroleum hydrocarbons, and suspended solids in water samples from the World Trade Center site.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000206865 – NYC-WTC_000206868
Inspection record documenting physical conditions and material observations at the World Trade Center tunnel and manhole sites in October 2001.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000206869
Laboratory analysis results for asbestos in bulk samples collected at a Verizon site in March and April 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206870
Form recording the chain of custody for samples submitted to Veritech Laboratories for asbestos analysis in March 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206871 – NYC-WTC_000206872
Documentation tracking the submission and handling of environmental samples for laboratory analysis at a Verizon site in March 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000206873
Form recording the chain of custody for samples submitted to Veritech Laboratories for environmental testing in March 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206874
Letter from EMSL Analytical regarding a determination of fiber length performed by EPA Method 100.2.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206875
Chain of custody record from Veritech documenting the collection and transport of environmental samples.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206876
Letter from Severn Trent Services enclosing laboratory results for samples received on June 7, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206877
Fax transmission from STL Edison containing pH and other analytical data for water samples from the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206878
Fax transmission from STL Edison reporting analytical results for fixed solids in water samples from the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206879
Department of Environmental Protection document listing regulatory limits for oil, grease, pH, and volatile organic compounds in storm sewer discharges.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206881
Summary report detailing OSHA and ACGIH exposure limits for cadmium, quartz, and toluene at the World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000206882 – NYC-WTC_000206883
Report summarizing OSHA air sample results for metal exposures and preliminary dioxin survey findings at the rubble pile.
Environmental Protection, Dept. of · 2 pages