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_000178328 – NYC-WTC_000178329
Laboratory analysis results for antimony and beryllium compounds from area air samples collected at West Street on September 23, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000178330
Laboratory analysis results for molybdenum, nickel, and vanadium fume from area air samples collected on September 24, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000178331 – NYC-WTC_000178332
Personal air sampling results for manganese and other metals from ironworker burner/cutter operations on September 26, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000178333 – NYC-WTC_000178340
Area and personal air sampling results for nickel, vanadium, and other analytes collected on September 26, 2001.
Design and Construction, Dept. of · 8 pages
- added
NYC-WTC_000178341 – NYC-WTC_000178366
Personal air sampling results for asbestos and other contaminants from operating engineers and excavator operators on September 30, 2001.
Design and Construction, Dept. of · 26 pages
- added
NYC-WTC_000178367 – NYC-WTC_000178376
Area air sampling results for benzo(alpha)pyrene and volatile organic compounds collected on the west side of WTC-1 on October 20, 2001.
Design and Construction, Dept. of · 10 pages
- added
NYC-WTC_000178377 – NYC-WTC_000178379
Personal air sampling results for beryllium, chromium, and cobalt collected on November 7, 2001.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000178380
Header page of a test results report from an environmental laboratory dated October 11, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000178383 – NYC-WTC_000178385
Invoice for construction management services including dewatering and slurry wall panel work at the World Trade Center site in May 2002.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000178386
DEP inspection memo regarding tenant concerns over air quality and halted duct cleaning at World Trade Center site.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000178387
Technical review form for correcting asbestos quantity or schedule data under the Asbestos Control Program.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000178388 – NYC-WTC_000178443
Comprehensive report on airborne and dust exposures in Lower Manhattan following the September 11 attacks, published by the Department of Health.
Environmental Protection, Dept. of · 56 pages
- added
NYC-WTC_000178444 – NYC-WTC_000178446
Limited asbestos inspection report for a building on West Street conducted in September 2001 following the destruction at the World Trade Center.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000178447 – NYC-WTC_000178448
Chain of custody documentation for settled dust bulk sampling for fiberglass at P.S. 89M conducted in April 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178449 – NYC-WTC_000178458
Laboratory analysis sheet for bulk asbestos samples submitted by the Department of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178459 – NYC-WTC_000178468
Laboratory analysis sheet for bulk asbestos samples submitted by the Department of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178469
Header page of an ISO/IEC Guide 25 and ISO 9002 accreditation certificate for a laboratory.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178470
Certificate of accreditation for ATC Associates Inc. under ISO standards dated around the time of the WTC response.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178471 – NYC-WTC_000178474
Chain of custody document for limited lead-in-dust wipe sampling at P.S. 89M prepared by ATC Associates in April 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178493
Certificate of approval issued to ATC Associates Inc. by the New York State Department of Health for environmental lead analysis in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178494 – NYC-WTC_000178495
Laboratory report detailing lead concentration analysis results for dust wipe samples collected at P.S. 89M in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178505
Certificate of approval issued to ATC Associates Inc. by the New York State Department of Health for environmental hazardous waste analysis in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178506
Transmission electron microscopy results for air samples collected at P.S. 89M regarding asbestos fiber analysis in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178507 – NYC-WTC_000178508
Data sheet recording TEM asbestos fiber analysis results for air samples from P.S. 89M collected in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178509
Technical record of transmission electron microscopy grid analysis for air sample 16 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178510
Technical record of transmission electron microscopy grid analysis for air sample 1 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178511
Technical record of transmission electron microscopy grid analysis for air sample 2 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178512
Technical record of transmission electron microscopy grid analysis for air sample 3 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178513
Technical record of transmission electron microscopy grid analysis for air sample 4 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178514
Technical record of transmission electron microscopy grid analysis for air sample 5 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178515
Technical record of transmission electron microscopy grid analysis for air sample 6 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178516
Technical record of transmission electron microscopy grid analysis for air sample 8 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178517
Technical record of transmission electron microscopy grid analysis for air sample 9 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178518
Technical record of transmission electron microscopy grid analysis for air sample 10 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178519
Technical record of transmission electron microscopy grid analysis for air sample 11 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178520
Technical record of transmission electron microscopy grid analysis for air sample 12 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178521
Technical record of transmission electron microscopy grid analysis for air sample 13 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178522
Technical record of transmission electron microscopy grid analysis for air sample 14 from P.S. 89M conducted in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178523
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178524
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178525
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178526
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178527
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178528
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178529
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178530
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178531
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178532
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178533
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178534
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178535
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178536
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178537
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178538
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178539
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178540
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178541
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178542
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178543
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178544
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178545
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178546
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178547
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178548
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178549
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178550
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178551
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178552
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178553
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178554
Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facility on May 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178555 – NYC-WTC_000178564
Laboratory analysis sheet from ATC Associates for bulk asbestos testing of samples collected by the NYC Board of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178565
Confidential chain of custody form and laboratory results for settled dust bulk samples related to the World Trade Center site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178566 – NYC-WTC_000178575
Laboratory analysis sheet from ATC Associates for bulk asbestos testing of samples collected by the NYC Board of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178576 – NYC-WTC_000178585
Laboratory analysis sheet from ATC Associates for bulk asbestos testing of samples collected by the NYC Board of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178586
Certificate of approval issued by the New York State Department of Health to ATC Associates for environmental air and emissions analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178587 – NYC-WTC_000178590
Chain of custody form and data sheet for bulk asbestos samples collected at P.S. 89M on Warren Street during AHERA reinspection.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178591 – NYC-WTC_000178600
Laboratory analysis sheet from ATC Associates for bulk asbestos testing of samples collected by the NYC Board of Education.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178601
Certificate of approval issued by the New York State Department of Health to ATC Associates for solid and hazardous waste analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178602
New York State Department of Health certificate approving ATC Associates as an environmental laboratory for solid and hazardous waste analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178603
Confidential chain of custody form documenting the transfer of bulk samples collected at the World Trade Center site for laboratory analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178604
Laboratory analysis sheet from ATC Associates recording client and project details for bulk asbestos testing of environmental samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178605
Laboratory data sheet from ATC Associates documenting the collection and analysis parameters for bulk asbestos fiber identification.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178606
Formal record of bulk asbestos analysis results and metadata from ATC Associates laboratory testing conducted in New York.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178607
Laboratory form detailing client project information and sample data for bulk asbestos analysis performed by ATC Associates.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178608 – NYC-WTC_000178609
Letter report from ATC Associates providing results of wipe samples for dioxins and furans collected at a New York City school in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178610
Laboratory analysis report for a wipe sample collected on May 21, 2002, testing for asbestos fibers.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178611 – NYC-WTC_000178613
Confidential report prepared by ATC Associates for the NYC Board of Education documenting lead-in-dust sampling at P.S. 234M in May 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178614 – NYC-WTC_000178616
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at P.S. 234M on May 18, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178617 – NYC-WTC_000178619
Confidential report from ATC Associates documenting lead-in-dust sampling activities conducted at P.S. 234M in June 2002 for the NYC Board of Education.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178620 – NYC-WTC_000178622
Laboratory form from ATC Associates recording data and results for bulk asbestos analysis performed on environmental samples in 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178623 – NYC-WTC_000178625
Data sheet from ATC Associates documenting client project details and analysis results for bulk asbestos fiber identification in 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178627
Document from NIST outlining the scope of accreditation for bulk asbestos fiber analysis at ATC Associates laboratory as of June 30, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178629 – NYC-WTC_000178631
Laboratory analysis sheet from ATC Associates recording gravimetric data and results for bulk asbestos testing conducted in 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178636
Confidential chain of custody form and results summary for settled dust bulk samples collected at a New York City site in 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178637
Cover sheet for transmission electron microscopy asbestos fiber analysis of samples from P.S. 234M dated October 2, 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178638 – NYC-WTC_000178640
Report documenting limited lead-in-dust wipe sampling conducted at P.S. 234M in February 2002 for the NYC Board of Education.
Education, Dept. of · 3 pages