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_000234087 – NYC-WTC_000234088
Final laboratory report detailing TEM air analysis results for Building 4 conducted in February 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234089 – NYC-WTC_000234090
Final laboratory report detailing TEM air analysis results for Building 4 conducted in June 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234091 – NYC-WTC_000234093
Request form for asbestos fiber analysis of samples collected at Liberty Street in March 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234094
Results of asbestos air sampling conducted by NYC Response teams in May 2002 across various boroughs.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234095 – NYC-WTC_000234098
Results of asbestos air sampling conducted by NYC Response teams in March 2002 with PCM and TEM data.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000234099 – NYC-WTC_000234101
Request form for air metals analysis of samples collected at Liberty Street in May 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234102 – NYC-WTC_000234160
Laboratory certificate of analysis for the SW 8290 project samples collected in October and reported in November 2002.
Environmental Protection, Dept. of · 59 pages
- added
NYC-WTC_000234161 – NYC-WTC_000234162
Final laboratory report detailing TEM air analysis results for Building 4 conducted in March 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234163 – NYC-WTC_000234168
Data form recording environmental sample collection and analysis parameters from February 2006.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000234169
Log of asbestos air sampling results using TEM methods recorded in January 2006.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234170 – NYC-WTC_000234171
Final laboratory report detailing TEM air analysis results for Building 4 conducted in April 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234172
Laboratory report detailing asbestos air sampling results from January 12, 2002, using PCM and TEM analysis methods.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234173
Summary of PCM air sample analysis for October 10, 2001, at the World Trade Center location including fiber counts.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234174 – NYC-WTC_000234177
Summary of OSHA monitoring data for asbestos, lead, and noise exposures at the World Trade Center site as of March 6, 2002.
Environmental Protection, Dept. of · 4 pages
- added
NYC-WTC_000234178
Report of asbestos air sampling results from May 6, 2002, covering multiple locations including Chambers Street and various schools.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234179 – NYC-WTC_000234181
Final laboratory report for TEM air analysis of a building sample collected in April 2005, conducted by RJ IjceGroup.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234182 – NYC-WTC_000234184
Chain of custody form for asbestos fiber analysis at 130 Liberty Street, collected on April 15, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234185 – NYC-WTC_000234187
Laboratory results for air metals analysis including beryllium and cadmium at 130 Liberty Street collected on May 19, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234188 – NYC-WTC_000234189
Final laboratory report for TEM air analysis of a building sample collected in April 2005, conducted by RJ IjceGroup.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234190 – NYC-WTC_000234192
Chain of custody form for air metals analysis at 130 Liberty Street, collected on January 2, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234193 – NYC-WTC_000234195
Final laboratory report for TEM air analysis of a building sample collected in March 2005, conducted by RJ IjceGroup.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234196
Database record of asbestos air sampling results from September 19, 2001, at the intersection of North End Avenue and Vesey Street.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234297
Technical document explaining the calculation of a 0.0009 f/cc clearance value for asbestos air monitoring based on lifetime cancer risk.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234298
Report of asbestos air sampling results from January 3, 2002, covering multiple locations including Chambers Street and various schools.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234299
Interim report on asbestos air sampling results for rescue workers at the World Trade Center site collected on October 4, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234300 – NYC-WTC_000234301
Contract document outlining requirements for project monitors and air sampling technicians for the WTC debris cleanup and air monitoring.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234302
Summary of PCM air sample analysis for December 13, 2001, at the World Trade Center location including fiber counts.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234307 – NYC-WTC_000234309
Final laboratory report for TEM air analysis of a building sample collected in March 2005, conducted by RJ IjceGroup.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234310 – NYC-WTC_000234312
Chain of custody form for asbestos fiber analysis at 130 Liberty Street, collected on April 26, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234313 – NYC-WTC_000234315
Chain of custody form for asbestos fiber analysis at 130 Liberty Street, collected on November 27, 2004.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234316 – NYC-WTC_000234318
Final laboratory report for TEM air analysis of a building sample collected in March 2005, conducted by RJ IjceGroup.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234319
Lab report documenting an airborne asbestos fiber concentration exceedance at the AFD Exhaust BL6 location on February 26, 2005.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234320 – NYC-WTC_000234322
Laboratory report documenting air sample results for total beryllium, cadmium, and chromium at 130 Liberty Street collected January 30, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234323 – NYC-WTC_000234324
Final laboratory report detailing the results of a transmission electron microscopy air analysis conducted on February 14, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234325 – NYC-WTC_000234326
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on July 23, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234327 – NYC-WTC_000234329
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on March 17, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234330
Department of Environmental Protection memorandum explaining that carpet sonication is not an approved method for asbestos analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234331
Summary of polarized light microscopy air sample analysis results collected at the World Trade Center site on December 17, 2001.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234332
Order form for silica air sampling using NIOSH Method 7500 conducted by EMSL Analytical on January 21, 2003.
Mayor, Office of the · 1 pages
- added
NYC-WTC_000234333
Chain of custody document for dust and metal air monitoring data collected by the City Law Department in early 2003.
Mayor, Office of the · 1 pages
- added
NYC-WTC_000234334 – NYC-WTC_000234336
NYC DEP air sampling results report comparing PCM and TEM analysis methods for samples collected on May 16, 2002.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234337 – NYC-WTC_000234339
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on March 3, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234340 – NYC-WTC_000234341
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on March 19, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234342 – NYC-WTC_000234343
Contract excerpt outlining compliance requirements and qualifications for monitors and technicians involved in WTC debris cleanup.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234445 – NYC-WTC_000234497
Laboratory certificate form for project AN022771 received on October 16, 2002.
Environmental Protection, Dept. of · 53 pages
- added
NYC-WTC_000234498 – NYC-WTC_000234503
Chain of custody document for a miscellaneous project involving samples submitted in September 2002 with reporting in October 2002.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000234504 – NYC-WTC_000234506
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on April 12, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234507 – NYC-WTC_000234509
Request form for asbestos fiber analysis by polarized light microscopy at 130 Liberty Street collected on April 13, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234510 – NYC-WTC_000234511
Final laboratory report documenting the results of a transmission electron microscopy air analysis conducted on April 9, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234512 – NYC-WTC_000234514
Request form for asbestos fiber analysis by polarized light microscopy at 130 Liberty Street collected on July 23, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234515
Confidential internal memorandum discussing considerations for asbestos fiber screening values and the limitations of settled dust sampling.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234516 – NYC-WTC_000234517
Final laboratory report from RJ IjceGroup detailing TEM air analysis results for Building 4 collected on March 9, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234518
NYC DEP Bureau of Asbestos Control Program memo clarifying that carpet sonication is not an approved method for asbestos analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234519
EMSL laboratory data table listing asbestos fiber concentrations from air samples collected at Trinity, Thames, and Greenwich Streets in January 2006.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234520 – NYC-WTC_000234521
Final laboratory report from RJ IjceGroup documenting TEM air analysis results for Building 4 collected on March 9, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234522 – NYC-WTC_000234526
Letter from EPA and DEP to FEMA validating analytical test results for residential units at 114 Liberty Street collected in April 2003.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000234527 – NYC-WTC_000234531
Draft scope of work document outlining requirements for licensed contractors to monitor interior cleaning and conduct air sampling at 114 Liberty Street.
Environmental Protection, Dept. of · 5 pages
- added
NYC-WTC_000234532 – NYC-WTC_000234533
Final laboratory report from RJ IjceGroup detailing TEM air analysis results for Building 4 collected on March 25, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234534 – NYC-WTC_000234536
Ambient Group, Inc. data sheet recording air metal analysis results for samples collected at 130 Liberty Street on December 27, 2004.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234537 – NYC-WTC_000234539
Soljons data sheet recording air metal analysis results for samples collected at 130 Liberty Street on September 2, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234540 – NYC-WTC_000234542
Soljons data sheet recording asbestos fiber analysis results for samples collected at 130 Liberty Street on May 21, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234543 – NYC-WTC_000234544
Contract document establishing compliance requirements and qualifications for monitors conducting debris cleanup and air sampling near the World Trade Center site.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234545
Laboratory report showing TEM analysis results for asbestos concentration in samples from Trinity and Thames locations collected in January 2006.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000234546 – NYC-WTC_000234552
Draft statement of work defining scope for EPA contractor to collect settled and airborne dust samples from fourteen buildings in lower Manhattan.
Environmental Protection, Dept. of · 7 pages
- added
NYC-WTC_000234553 – NYC-WTC_000234555
Soljons data sheet recording air metal analysis results for samples collected at 130 Liberty Street on January 31, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234556 – NYC-WTC_000234582
EMSL laboratory data table listing asbestos fiber concentrations from air samples collected at Trinity, Thames, and Greenwich Streets in February 2006.
Environmental Protection, Dept. of · 27 pages
- added
NYC-WTC_000234583
EMSL analytical order form for NIOSH Method 0500 dust analysis performed on January 21, 2003, for the NYC Law Department.
Mayor, Office of the · 1 pages
- added
NYC-WTC_000234584 – NYC-WTC_000234586
Soljons data sheet recording asbestos fiber analysis results for samples collected at 130 Liberty Street on April 16, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234587 – NYC-WTC_000234589
Soljons data sheet recording asbestos fiber analysis results for samples collected at 130 Liberty Street on August 3, 2005.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234590 – NYC-WTC_000234591
Final laboratory report from RJ IjceGroup detailing TEM air analysis results for Building 4 collected on March 19, 2005.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000234592 – NYC-WTC_000234594
NYC DEP document outlining requirements for independent consultants to provide full-time air monitoring during asbestos abatement at 114 Liberty Street.
Environmental Protection, Dept. of · 3 pages
- added
NYC-WTC_000234595 – NYC-WTC_000234600
Document records the chain of custody and laboratory submission details for environmental samples analyzed in September and October 2002.
Environmental Protection, Dept. of · 6 pages
- added
NYC-WTC_000234601 – NYC-WTC_000234619
Table of asbestos air monitoring results from abatement activities at Trinity Place and nearby locations in January 2006.
Environmental Protection, Dept. of · 19 pages
- added
NYC-WTC_000234620
Laboratory report from EMSL covering analytical results for asbestos and lead samples submitted on January 22, 2003.
Mayor, Office of the · 1 pages
- added
NYC-WTC_000234621
Order and initial data for dust analysis of office equipment simulation air samples performed in January 2003 using NIOSH Method 0500.
Mayor, Office of the · 1 pages
- added
NYC-WTC_000234622
Letter granting continuing accreditation for specific test methods in fiber analysis to a laboratory organization through June 2002.
School Construction Authority · 1 pages
- added
NYC-WTC_000234623
Form for recording lead sampling data, site address, and chain of custody details for inspection activities.
School Construction Authority · 1 pages
- added
NYC-WTC_000234627 – NYC-WTC_000234636
Letter summarizing wipe and air sampling results for indoor air quality at Stuyvesant High School in February 2002.
Education, Dept. of · 10 pages
- added
NYC-WTC_000234637
Meeting minutes from the Department of Health discussing WTC indoor air studies, hotline calls, and mold enforcement protocols in October 2002.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000234638 – NYC-WTC_000234639
Memo reporting industrial hygiene noise exposure measurements collected at the World Trade Center recovery operation site.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000234640 – NYC-WTC_000234649
Letter summarizing wipe and air sampling results for indoor air quality at Stuyvesant High School in February 2002.
Education, Dept. of · 10 pages
- added
NYC-WTC_000234650
Invoice from EMSL Analytical for asbestos analysis services performed in December 2003.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000234651 – NYC-WTC_000234658
Draft protocol document outlining daily asbestos testing procedures for ambient air at P.S./I.S. 89 Manhattan following the WTC tragedy.
Education, Dept. of · 8 pages
- added
NYC-WTC_000234659
Laboratory data sheet showing mercury analysis results for air samples collected at various locations in March 2002.
Law Department · 1 pages
- added
NYC-WTC_000234660
Report detailing elevated lead concentrations in dust wipes from specific floor and window well locations at the school site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000234661
Laboratory report from EMSL Analytical detailing chromium and aluminum analysis results for samples submitted in October 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000234662
Federal Emergency Management Agency worksheet documenting payment for air and water testing at PS-234 conducted between September 2001 and October 2002.
Management and Budget, Office of · 1 pages
- added
NYC-WTC_000234663
Interim report from NIOSH detailing asbestos, dust, metals, and silica exposure measurements for rescue workers on September 21, 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234664
Interim report from NIOSH detailing asbestos, dust, and respirable dust exposure measurements for rescue workers on September 20, 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234665
Interim report from NIOSH detailing asbestos, dust, metals, and silica exposure measurements for rescue workers on September 21, 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234666
Interim report from NIOSH detailing asbestos, dust, and respirable dust exposure measurements for rescue workers on September 20, 2001.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234667
Interim air sampling results from September 22, 2001, showing dust and metal concentrations near the debris pile.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234668
Interim air sampling results from September 20, 2001, detailing asbestos and dust concentrations for rescue personnel.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234669
Air sampling data from October 6, 2001, for Liberty Park and nearby terminals showing asbestos fiber counts.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234670
Interim bulk and air sampling results from September 19, 2001, analyzing asbestos, quartz, and metals near the debris pile.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234671
Interim bulk and air sampling results from September 19, 2001, analyzing asbestos, quartz, and metals near the debris pile.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234672
Interim air sampling results from September 20, 2001, detailing asbestos and dust concentrations for rescue personnel.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234673
Interim bulk and air sampling results from September 19, 2001, analyzing asbestos, quartz, and metals near the debris pile.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234674
Interim air sampling results from September 21, 2001, reporting asbestos, dust, metals, and silica levels near the debris pile.
Emergency Management, Office of · 1 pages
- added
NYC-WTC_000234675
Interim air sampling results from September 21, 2001, reporting asbestos, dust, metals, and silica levels near the debris pile.
Emergency Management, Office of · 1 pages