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_000199906
OSHA sampling report detailing asbestos concentration levels in the financial district and rubble pile as of December 2001.
Fire Department · 1 pages
- added
NYC-WTC_000199907 – NYC-WTC_000199914
Safety documentation for lead metal containing hazard information and manufacturer contact details.
Fire Department · 8 pages
- added
NYC-WTC_000199915 – NYC-WTC_000199922
Safety documentation for cadmium acetate containing hazard information and manufacturer contact details.
Fire Department · 8 pages
- added
NYC-WTC_000199923 – NYC-WTC_000199926
OSHA summary of 2002 sampling data showing asbestos fiber levels and specific exposure incidents involving gas-powered saws.
Fire Department · 4 pages
- added
NYC-WTC_000199927
Daily report from Grace Contracting Corp. listing workforce classifications and heavy equipment usage at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000199928 – NYC-WTC_000199929
Contract document authorizing additional work by Mazzocchi Wrecking for the World Trade Center site demolition project.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000199930
Contract document authorizing additional demolition or construction work at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000199931
Preliminary daily report from Grace Contracting Corp. listing workforce and equipment usage at the World Trade Center site in January 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000199932 – NYC-WTC_000199933
Report on air sampling at Greenwich and Vesey Streets showing four samples exceeded AHERA standards despite meeting OSHA limits.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000199934
Letter transmitting water sample results from January 21, 2002, showing MTBE levels in sump and dewatering discharges.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000199935 – NYC-WTC_000199942
EPA FIFRA data requirement document regarding Bromadiolone blocks in Swiss rats from a 1990 laboratory study.
Design and Construction, Dept. of · 8 pages
- added
NYC-WTC_000199943 – NYC-WTC_000199945
Summary of OSHA asbestos and diesel particulate monitoring results as of February 13, 2002, including exposure limits.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000199946 – NYC-WTC_000199947
Summary of OSHA asbestos and diesel particulate monitoring results as of December 22, 2001, including exposure limits.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000199948
Preliminary data summary from Severn Trent Laboratories showing dioxin and furan concentrations in water samples.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000199949 – NYC-WTC_000199953
Document containing a summary of analytical results for environmental monitoring at the World Trade Center site.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000199954 – NYC-WTC_000199957
Weekly summary of air samples collected by ATC Associates showing exposure levels for silica and other contaminants.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000199958 – NYC-WTC_000199960
Document containing equipment status logs or schedules related to operations at the World Trade Center site.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000199961
Log sheet for November 20, 2001, tracking working hours and idle times for subcontractor equipment at the site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200020
Work authorization form issued by Mazzocchi Wrecking for additional tasks at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200021
Work authorization form issued by Mazzocchi Wrecking for additional tasks at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200022
Log of MTBE concentration levels in discharge water from the World Trade Center sumping and dewatering operations.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200023
Table of heavy metal concentrations in soil samples from Pier 25 and North Street compared to TCLP regulatory levels.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200024
Table of organic pesticide and PCB concentrations in soil samples from Pier 25 compared to NYSDEC TAGM levels.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200025 – NYC-WTC_000200026
Table of semivolatile organic compound concentrations in soil samples from Pier 25 compared to NYSDEC TAGM levels.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000200027 – NYC-WTC_000200038
Laboratory data report from Ambient Air Up Inc. documenting ambient air characterization collected on September 27, 2001.
Design and Construction, Dept. of · 12 pages
- added
NYC-WTC_000200039
Laboratory report for dioxin and furan analysis of soil samples collected at the Deutsche Bank site in April 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000200046
Schedule and filter data for air handler units at PS234 school, including airflow and filter specifications.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200047
Daily log sheet recording activities, sampling methods, and contractor details for asbestos abatement operations.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200048
Laboratory report documenting asbestos fiber analysis by TEM for air samples collected at the World Trade Center on September 17, 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200049
Laboratory report documenting asbestos fiber analysis by TEM for air samples collected at the World Trade Center on September 17, 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200050
Laboratory report documenting asbestos fiber analysis by TEM for air samples collected at the World Trade Center on September 17, 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200051
Daily log recording abatement activities, sample counts, and contractor details for the World Trade Center site in September 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200052
Daily log recording abatement activities, sample counts, and contractor details for the World Trade Center site in September 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200053
Field technician log sheet recording monitoring activities, site address, and shift times for an environmental inspection.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200054
New York State Department of Health certificate approving EMSL Electron Microscopy Services Lab for environmental air and emissions analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200055
Payment request form for services at Stuyvesant High School covering the period September to October 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200056 – NYC-WTC_000200060
Technical specifications for cleaning elevator shafts at Stuyvesant High School using wet methods and HEPA vacuums under mechanic supervision.
Education, Dept. of · 5 pages
- added
NYC-WTC_000200061
Certificate of accreditation for EMSL Analytical Inc. in Manhattan regarding airborne asbestos fiber analysis standards.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200062
New York State Department of Health certificate approving ATC Associates as an environmental laboratory for air and emissions analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200063
New York State Department of Health certificate approving ATC Associates as an environmental laboratory for air and emissions analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200064 – NYC-WTC_000200065
Laboratory report from ATC Associates detailing lead concentration results for air samples collected at Stuyvesant High School on July 19, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200066
Laboratory report from ATC Associates detailing lead concentration results for air samples collected at Stuyvesant High School on August 5, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200067
Chain of custody and daily monitoring form for environmental sampling conducted at a New York City site in September 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200068
Laboratory submission form to EMSL Analytical for lead testing in air samples from the second and third floors of Stuyvesant High School.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200069
Laboratory submission form to EMSL Analytical for asbestos testing of non-friable bound materials at Stuyvesant High School.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200070
Laboratory submission form to EMSL Analytical for asbestos testing of non-friable bound materials at Stuyvesant High School.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200071
Chain of custody document recording lead wipe samples from various rooms and surfaces at Stuyvesant High School collected on July 14, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200072 – NYC-WTC_000200074
Chain of custody document recording lead wipe samples from multiple rooms at Stuyvesant High School collected on July 17, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200075 – NYC-WTC_000200076
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 17, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200077 – NYC-WTC_000200078
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 18, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200079 – NYC-WTC_000200080
Chain of custody document recording lead samples from unit vents and walls at Stuyvesant High School collected on July 14 and 19, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200081
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected on the seventh floor of Stuyvesant High School.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200082 – NYC-WTC_000200083
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 22, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200084 – NYC-WTC_000200085
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 23, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200086 – NYC-WTC_000200087
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 26, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200088
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 27, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200089 – NYC-WTC_000200090
Laboratory report from ATC Associates detailing lead concentration results for dust wipe samples collected at Stuyvesant High School on July 27, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200091
Laboratory submission form to EMSL Analytical for lead testing in air samples from the fourth and ninth floors of Stuyvesant High School.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200092
Chain of custody form for lead wipe samples collected at Stuyvesant High School on August 2, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200093
Laboratory analysis results for lead concentrations in wipe samples from Stuyvesant High School received August 6, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200094 – NYC-WTC_000200095
ATC Associates analysis of lead in dust wipe samples from Stuyvesant High School collected on August 8, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200096 – NYC-WTC_000200097
Laboratory results for lead concentrations in dust wipe samples from Stuyvesant High School collected on July 29, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200098 – NYC-WTC_000200100
Detailed chain of custody document for lead wipe samples from specific rooms in Stuyvesant High School collected August 2, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200101 – NYC-WTC_000200103
Laboratory cover sheet for lead analysis of wipe samples from Stuyvesant High School received August 2, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200104 – NYC-WTC_000200105
ATC Associates analysis of lead in dust wipe samples from Stuyvesant High School collected on August 3, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200106 – NYC-WTC_000200107
Chain of custody document for lead sampling data at Stuyvesant High School dated August 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200108
Chain of custody document for lead sampling data at Stuyvesant High School dated August 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200109 – NYC-WTC_000200112
Chain of custody document for lead sampling data at Stuyvesant High School dated August 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000200113 – NYC-WTC_000200114
Laboratory cover sheet for lead analysis of wipe samples from Stuyvesant High School received August 12, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200115 – NYC-WTC_000200118
Chain of custody form for lead wipe samples from specific locations in Stuyvesant High School collected August 7, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000200119 – NYC-WTC_000200120
ATC Associates analysis of lead in dust wipe samples from Stuyvesant High School collected on August 13, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200121 – NYC-WTC_000200122
Laboratory cover sheet for lead analysis of wipe samples from Stuyvesant High School received August 15, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200123 – NYC-WTC_000200124
Laboratory cover sheet for lead analysis of wipe samples from Stuyvesant High School received August 16, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200125
Chain of custody document for lead sampling data at Stuyvesant High School dated August 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200126
Laboratory cover sheet for lead analysis of wipe samples from Stuyvesant High School received August 17, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200127
ATC Associates analysis of lead in dust wipe samples from Stuyvesant High School collected on August 22, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200128 – NYC-WTC_000200129
ATC Associates analysis of lead in dust wipe samples from Stuyvesant High School collected on August 26, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200130
Chain of custody document for lead sampling data at Stuyvesant High School dated August 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200131 – NYC-WTC_000200132
Laboratory report from ATC Associates showing lead analysis results for a dust wipe sample collected at Stuyvesant High School on August 27, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200134 – NYC-WTC_000200135
Laboratory report from ATC Associates detailing lead analysis for a dust wipe sample collected at Stuyvesant High School on August 30, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200137
Laboratory report from ATC Associates presenting lead analysis results for a dust wipe sample collected at Stuyvesant High School on August 30, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200138 – NYC-WTC_000200139
Laboratory monitoring log recording flow rates and sample locations for lead dust analysis.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200140 – NYC-WTC_000200142
Laboratory data sheet recording flow times and durations for air quality monitoring samples.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200143 – NYC-WTC_000200144
Field log documenting the duration and flow rates of lead dust sampling activities.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200145 – NYC-WTC_000200147
Record of daily environmental monitoring data including sample locations and equipment readings.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200148 – NYC-WTC_000200149
Monitoring log tracking the collection process and flow rates for lead dust samples.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200150 – NYC-WTC_000200152
Documentation of daily lead sampling activities including sample locations and equipment metrics.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200153 – NYC-WTC_000200155
Chain of custody form documenting air fiber analysis samples collected at a site on 45th Street in January 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200156 – NYC-WTC_000200157
Field record tracking the duration and flow rates associated with lead dust collection.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200158 – NYC-WTC_000200159
Monitoring log recording sample locations, dates, and equipment readings for lead analysis.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200160 – NYC-WTC_000200164
Technical record documenting flow rates and sample collection details for lead dust testing.
Education, Dept. of · 5 pages
- added
NYC-WTC_000200165 – NYC-WTC_000200166
Field log tracking the duration and flow rates of lead dust sampling operations.
Education, Dept. of · 2 pages
- added
NYC-WTC_000200167 – NYC-WTC_000200169
Documentation of daily environmental monitoring data including sample locations and equipment readings.
Education, Dept. of · 3 pages
- added
NYC-WTC_000200170
Certificate of approval issued by the New York State Department of Health to WKP Laboratories for environmental analysis services in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200171
Certificate of accreditation from NVLAP for bulk asbestos fiber analysis at WKP Laboratories, effective September 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200172
Document displaying a Certificate of Accreditation from the Department of Commerce regarding ISO/IEC Guide 25:1990 and ISO 9002:1987 standards.
Education, Dept. of · 1 pages
- added
NYC-WTC_000200173
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_000200174
Technical data sheet recording transmission electron microscopy results for an air sample collected on November 14, 2001.
Education, Dept. of · 1 pages