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_000229383
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229384
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229385
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229386
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229387
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229388
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229389
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229390
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229391
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229392
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229393
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229394
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229395
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229396
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229397
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229398
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229399
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229400
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229401
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229402
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229403
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229404
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229405
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229406
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229407
Laboratory bench sheet tallying asbestos structures seen by electron microscope for an air sample; raw counts, not the reported result.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229408
Documentation tracking the transfer and custody of environmental samples submitted to a laboratory for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229409 – NYC-WTC_000229411
Analytical report listing concentrations of aluminum and cadmium in air samples collected from a school site in June 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000229412 – NYC-WTC_000229414
Analytical report listing concentrations of aluminum and other metals in air samples collected from a school site in May 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000229415 – NYC-WTC_000229416
Analytical report listing concentrations of aluminum, cadmium, and chromium in air samples collected from a school site in March 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229417
Analytical report listing concentrations of metals in air samples collected from a school site in June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229418
Analytical report listing concentrations of metals in air samples collected from a school site in June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229419
Documentation tracking the transfer and custody of environmental samples submitted to a laboratory for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229420
Laboratory report providing analytical results for polychlorinated biphenyls in surface wipe samples collected in June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229421
Documentation tracking the transfer and custody of environmental samples submitted to a laboratory for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229422
Laboratory report providing analytical results for polychlorinated biphenyls in surface wipe samples collected in June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229423
Documentation tracking the transfer and custody of environmental samples submitted to a laboratory for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229424
Documentation tracking the transfer and custody of environmental samples submitted to a laboratory for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229425 – NYC-WTC_000229426
Letter report from ATC Associates regarding air sampling for silica-containing dust conducted at Stuyvesant High School on March 27, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229427 – NYC-WTC_000229429
Analytical report listing concentrations of metals in air samples collected from a school site in March 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000229430 – NYC-WTC_000229432
Analytical report listing concentrations of silica in air samples collected from a school site in May 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000229435
Analytical report listing concentrations of metals in air samples collected from a school site in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229436
Analytical report listing concentrations of dust and metals in air samples collected from a school site in June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229437
Analytical results from PSC Analytical for industrial hygiene and environmental testing conducted for ATC Associates in July 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229438
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a wipe sample collected on March 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229439
Laboratory report from Pace Analytical Services documenting Method 8290 analysis of a blank wipe sample collected on April 24, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229440
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a wipe sample collected on April 3, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229441
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a wipe sample collected on April 24, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229442 – NYC-WTC_000229443
Letter from ATC Associates to the NYC Board of Education reporting results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at a high school on May 1, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229444 – NYC-WTC_000229445
Letter from ATC Associates to the NYC Board of Education reporting results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at a high school on May 8, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229446
Certificate of Approval issued by the New York State Department of Health to ATC Associates for environmental analyses of solid and hazardous waste in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229447 – NYC-WTC_000229448
Laboratory report from ATC Associates detailing EPA Method 3050/7420 lead concentration results for dust wipe samples collected at Stuyvesant High School on May 1, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229449
Certificate of Approval issued by the New York State Department of Health to ATC Associates for environmental analyses of solid and hazardous waste in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229450 – NYC-WTC_000229451
Laboratory report from ATC Associates detailing EPA Method 3050/7420 lead concentration results for dust wipe samples collected at Stuyvesant High School on May 8, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229452
Chain of custody document from PSC Analytical Services in Reading, PA for tracking sample handling and transfer.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229453
Chain of custody document from PSC Analytical Services in Reading, PA for tracking sample handling and transfer.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229454
Analytical results from PSC Analytical for industrial hygiene and environmental testing conducted for ATC Associates in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229455
Chain of custody document from PSC Analytical Services in Reading, PA for tracking sample handling and transfer.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229456 – NYC-WTC_000229457
Laboratory report from ATC Associates detailing EPA Method 3050/7420 lead concentration results for dust wipe samples collected at I.S. 306X in the Bronx on April 28, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229458 – NYC-WTC_000229459
Laboratory report from ATC Associates detailing EPA Method 3050/7420 lead concentration results for dust wipe samples collected at I.S. 306X in the Bronx on April 28, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229460
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a dust sample collected on April 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229461
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a dust sample collected on April 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229462
Laboratory report from Pace Analytical Services showing Method 8290 analysis results for a dust sample collected on April 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229463
Appendix C containing analytical laboratory results and chain of custody forms for asbestos bulk samples collected at the World Trade Center site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229464
Laboratory analysis sheet from ATC Associates for bulk asbestos testing, containing client and project identification fields.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229465
Laboratory analysis sheet from ATC Associates for bulk asbestos testing, containing client and project identification fields.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229466 – NYC-WTC_000229468
Laboratory analysis sheet from ATC Associates for bulk asbestos testing, containing client and project identification fields.
Education, Dept. of · 3 pages
- added
NYC-WTC_000229469
Report on limited lead-in-dust wipe sampling for HVAC systems prepared by Associates Inc for the NYC Board of Education in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229470 – NYC-WTC_000229473
Report from ATC Associates detailing indoor air quality measurements collected at Stuyvesant High School on April 16, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000229474 – NYC-WTC_000229478
Report from ATC Associates detailing indoor air quality measurements collected at Stuyvesant High School on April 23, 2002.
Education, Dept. of · 5 pages
- added
NYC-WTC_000229479 – NYC-WTC_000229490
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229491 – NYC-WTC_000229502
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229503 – NYC-WTC_000229514
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229515 – NYC-WTC_000229526
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229527 – NYC-WTC_000229530
Report from ATC Associates detailing indoor air quality measurements collected at Stuyvesant High School on May 8, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000229531 – NYC-WTC_000229542
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229543 – NYC-WTC_000229554
Field report data sheet from ATC Associates recording indoor air quality measurements including temperature, humidity, and gas levels.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229555 – NYC-WTC_000229566
Field report from ATC Associates documenting indoor air quality measurements at Stuyvesant High School on June 19, 2002.
Education, Dept. of · 12 pages
- added
NYC-WTC_000229567 – NYC-WTC_000229568
Report from ATC Associates detailing results of wipe samples for polychlorinated dibenzo-p-dioxins and furans collected at a school in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229569
Legal chain-of-custody and analytical request document from Pace Analytical for sample tracking and processing.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229570 – NYC-WTC_000229571
Report from ATC Associates detailing results of wipe samples for polychlorinated dibenzo-p-dioxins and furans collected at a school in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229572 – NYC-WTC_000229573
Report from ATC Associates detailing results of wipe samples for polychlorinated dibenzo-p-dioxins and furans collected at a school in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229574 – NYC-WTC_000229575
Report from ATC Associates detailing results of wipe samples for polychlorinated dibenzo-p-dioxins and furans collected at a school in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229576 – NYC-WTC_000229581
Document recording the transfer and custody of samples submitted to PSC Analytical Services for testing.
Education, Dept. of · 6 pages
- added
NYC-WTC_000229582 – NYC-WTC_000229583
Document recording the transfer and custody of samples submitted to PSC Analytical Services for testing.
Education, Dept. of · 2 pages
- added
NYC-WTC_000229584 – NYC-WTC_000229585
Record of indoor environmental parameters including temperature, humidity, CO2, and dust levels at a project site.
Housing Preservation and Development, Dept. of · 2 pages
- added
NYC-WTC_000229586 – NYC-WTC_000229588
Report detailing asbestos air monitoring results conducted at various floors of 100 Gold Street during September 2001.
Housing Preservation and Development, Dept. of · 3 pages
- added
NYC-WTC_000229591 – NYC-WTC_000229592
Summary of OSHA air monitoring results for asbestos and noise levels at the World Trade Center rubble pile site.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000229593
Letter transmitting water sample analysis results from the World Trade Center site, specifically noting MTBE levels.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000229594 – NYC-WTC_000229598
Summary of analytical results for water samples taken from the World Trade Center site on January 16, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000229599 – NYC-WTC_000229603
Summary of analytical results for water samples taken from the World Trade Center site on January 11, 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000229604
Letter providing partial analytical results for water samples from the World Trade Center site, including MTBE levels.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000229605
Letter transmitting complete water sample analysis results from the World Trade Center site, including MTBE concentrations.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000229606
Log sheet recording details of air samples collected at the World Trade Center site on February 20, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000229607 – NYC-WTC_000229611
Data sheet containing transmission electron microscopy results for asbestos fiber analysis of air samples.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000229612 – NYC-WTC_000229617
Laboratory report detailing cyanide test results for materials submitted by the Port Authority of NY & NJ.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000229618 – NYC-WTC_000229621
Form listing various environmental contaminants including lead, silica, and metals for sampling at a public school.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000229622 – NYC-WTC_000229623
Summary of air sample results collected at the World Trade Center site, including hydrogen sulfide monitoring data.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000229624
Form used to record results of bulk asbestos analysis samples collected from a New York City public school.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229625
Form used to record results of bulk asbestos analysis samples collected from a New York City public school.
Education, Dept. of · 1 pages
- added
NYC-WTC_000229626 – NYC-WTC_000229628
Report documenting lead-in-dust wipe sampling conducted at P.S. 2M in August 2002 for the New York City Board of Education.
Education, Dept. of · 3 pages