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_000208294 – NYC-WTC_000208295
Laboratory report providing air monitoring results for silica-containing dust at Murray High School (M520) conducted on September 11, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000208296 – NYC-WTC_000208297
Laboratory report detailing wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at a school site on September 11, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000208298 – NYC-WTC_000208299
Report of wipe sample results for polychlorinated dibenzo-p-dioxins and furans collected at Murray Bergtraum High School in September 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000208300 – NYC-WTC_000208301
Report of wipe sample results for polychlorinated dibenzo-p-dioxins and furans collected at Murray Bergtraum High School in September 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000208302 – NYC-WTC_000208303
Chain of custody form for settled dust bulk samples collected at Murray Bergtraum High School to analyze fiberglass fiber content.
Education, Dept. of · 2 pages
- added
NYC-WTC_000208304
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_000208305
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_000208306
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_000208307
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_000208308
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_000208309
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_000208310
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_000208311
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_000208312
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_000208313
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_000208314
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_000208315
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_000208316
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_000208317
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_000208318
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_000208319
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_000208320
Laboratory report detailing transmission electron microscopy analysis of air samples from a school building for abatement clearance verification.
Education, Dept. of · 1 pages
- added
NYC-WTC_000208321
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_000208322
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_000208323
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_000208324
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_000208325
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_000208326
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_000208327
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_000208328
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_000208329
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_000208330
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_000208331
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_000208332
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_000208333
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_000208334
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_000208335
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_000208336
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_000208337
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_000208338
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_000208339
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_000208340
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_000208341
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_000208342
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_000208343
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_000208344
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_000208345
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_000208346
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_000208347
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_000208348
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_000208349
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_000208350
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_000208351
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_000208352
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_000208353
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_000208354
NYC Health Department data table recording PCM and TEM asbestos fiber counts from air samples collected on Staten Island.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208355
NYC Health Department data table recording PCM and TEM asbestos fiber counts from air samples collected on Staten Island.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208356
Memorandum from the NYC Department of Health providing official comments on an EPA report regarding World Trade Center ambient air issues.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208357
Summary statistics for asbestos air monitoring data collected in the regional World Trade Center area through January 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208358
Summary statistics for chromium air monitoring data collected in the lower Manhattan World Trade Center area through January 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208359 – NYC-WTC_000208363
Report on air and dust sampling results from residential buildings in lower Manhattan conducted by the Department of Health.
Health and Mental Hygiene, Dept. of · 5 pages
- added
NYC-WTC_000208364
Inventory of environmental samples collected for respirable dust, PM2.5, PM10, and asbestos analysis at a designated main site.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208365 – NYC-WTC_000208366
Laboratory summary of asbestos fiber analysis in dust samples from two residences at a lower Manhattan address using PLM and TEM methods.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000208367 – NYC-WTC_000208368
Laboratory summary of asbestos fiber analysis in dust samples from two residences at a lower Manhattan address using PLM and TEM methods.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000208369
Technical data sheet recording airflow rates and specific sampling protocols for asbestos and particulate matter in a building environment.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208370 – NYC-WTC_000208372
Report detailing air and dust sampling procedures and results for asbestos at a residential building on Water Street following the attacks.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208373 – NYC-WTC_000208375
Report detailing air and dust sampling procedures and results for asbestos at a residential building on Water Street following the attacks.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208376 – NYC-WTC_000208380
Report on environmental sampling of air and settled dust at a residential building in lower Manhattan following the World Trade Center collapse.
Health and Mental Hygiene, Dept. of · 5 pages
- added
NYC-WTC_000208381 – NYC-WTC_000208385
Report on environmental sampling of air and settled dust at a residential building in lower Manhattan following the World Trade Center collapse.
Health and Mental Hygiene, Dept. of · 5 pages
- added
NYC-WTC_000208386 – NYC-WTC_000208387
Laboratory summary of asbestos fiber analysis in dust samples from two residences at a lower Manhattan address using PLM and TEM methods.
Health and Mental Hygiene, Dept. of · 2 pages
- added
NYC-WTC_000208392
Official notice outlining the joint public health evaluation plan to sample ambient and indoor air for World Trade Center-related materials.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208393
Letter from NYC Department of Health outlining a joint ambient and indoor air sampling plan for residential areas near the World Trade Center.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208394 – NYC-WTC_000208396
Summary report of asbestos air and dust sample results collected at a private residence and common areas on December 8, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208397
Letter from NYC Department of Health outlining a joint ambient and indoor air sampling plan for residential areas near the World Trade Center.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208398
Letter from NYC Department of Health outlining a joint ambient and indoor air sampling plan for residential areas near the World Trade Center.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208399 – NYC-WTC_000208401
Environmental consulting firm report detailing asbestos and lead sampling performed at 199 Chambers Street on September 28, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208402 – NYC-WTC_000208404
Environmental consulting firm report detailing asbestos and lead sampling performed at the Gymnasium and adjacent areas of 199 Chambers Street on October 17, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208405 – NYC-WTC_000208407
Appendix B listing air sampling results for VOCs and fine dust particles collected at various locations within 199 Chambers Street on November 20, 2001.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208411 – NYC-WTC_000208414
Transmittal of laboratory data sheets regarding environmental samples collected at the World Trade Center site in May 2002.
Health and Mental Hygiene, Dept. of · 4 pages
- added
NYC-WTC_000208415
Department of Health and Mental Hygiene correspondence enclosing an asbestos report from EMSL Analytical regarding a City agency building near the WTC site.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000208416 – NYC-WTC_000208418
Laboratory report detailing lead and cadmium levels found in stainless steel water fountain wipes at West Thames Park on January 4, 2002.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000208421 – NYC-WTC_000208422
Summary of OSHA air monitoring results for asbestos and other hazards taken by personnel in the Financial District and on the rubble pile as of November 5, 2001.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000208423 – NYC-WTC_000208426
Table of OSHA air sampling results for crystalline silica collected at the World Trade Center site between April 15 and April 21, 2002.
Sanitation, Dept. of · 4 pages
- added
NYC-WTC_000208427
Summary report documenting safety device deficiencies and personnel PPE compliance issues at the debris removal site on Staten Island from November 12 to 14, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000208428 – NYC-WTC_000208430
Daily environmental monitoring summary report issued by the EPA regarding data collected from the World Trade Center site and surrounding areas in December 2001.
Sanitation, Dept. of · 3 pages
- added
NYC-WTC_000208431
Table of OSHA personal and area air sample results for asbestos fibers collected at the Staten Island landfill on November 7 and 14, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000208432 – NYC-WTC_000208433
Summary of personnel exposure monitoring data for asbestos collected inside the exclusion zone at the Staten Island landfill between March 18 and 20, 2002.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000208434 – NYC-WTC_000208436
Form listing environmental health actions, responsible agencies, and completion status for site safety and PPE protocols at the World Trade Center site in September 2001.
Sanitation, Dept. of · 3 pages
- added
NYC-WTC_000208437 – NYC-WTC_000208438
Form listing environmental health actions regarding water monitoring and air quality communication protocols implemented by various agencies in September 2001.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000208439
Form detailing the status of communicating environmental monitoring results to agency stakeholders and accessing EPA data for the World Trade Center site.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000208440
Summary of OSHA air monitoring results for asbestos in the Financial District and at the rubble pile as of October 16, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000208441
Laboratory analysis of airborne asbestos samples collected from rooms at 253 Broadway on September 19, 2001.
Transportation, Dept. of · 1 pages
- added
NYC-WTC_000208442 – NYC-WTC_000208443
Laboratory analysis of airborne asbestos samples collected from office spaces on the sixth floor at 2 Rector Street.
Transportation, Dept. of · 2 pages
- added
NYC-WTC_000208444
Certificate of analysis for bulk asbestos samples taken from multiple floors at a Department of Transportation site.
Transportation, Dept. of · 1 pages
- added
NYC-WTC_000208445
Memorandum documenting the transfer of three bulk asbestos samples to the laboratory for analysis in December 1988.
Transportation, Dept. of · 1 pages
- added
NYC-WTC_000208447
Summary table of transmission electron microscopy results for asbestos analysis conducted by TRC Environmental Corporation.
Transportation, Dept. of · 1 pages
- added
NYC-WTC_000208448
Summary table of transmission electron microscopy results for asbestos analysis conducted by TRC Environmental Corporation.
Transportation, Dept. of · 1 pages
- added
NYC-WTC_000208449 – NYC-WTC_000208450
Data sheet recording bulk asbestos analysis results including sample locations and analytical dates from ATC Associates.
Transportation, Dept. of · 2 pages
- added
NYC-WTC_000208451 – NYC-WTC_000208452
Record of OSHA monitoring data for heavy metals and fumes collected at the World Trade Center site on September 22, 2001.
Transportation, Dept. of · 2 pages
- added
NYC-WTC_000208453
Informational document describing EPA asbestos air monitoring measurements and health concern levels at the World Trade Center site.
Transportation, Dept. of · 1 pages