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_000202049
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_000202050
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_000202051
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_000202052
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_000202053
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_000202054
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_000202055
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_000202056
Laboratory data sheet recording the tentative identification and concentration of volatile organic compounds in a soil or water sample.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202057 – NYC-WTC_000202059
Field report documenting indoor air quality measurements including temperature, humidity, and volatile organic compound levels at P.S. 89M.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202060
Analytical results sheet for industrial hygiene environmental testing conducted by ATC Associates on behalf of the New York City Board of Education.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202061
Laboratory analytical results document from ATC Associates for the NYC Board of Education dated February 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202062 – NYC-WTC_000202063
Laboratory report detailing lead concentration results from dust wipe samples collected at PS 89M on January 25, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202064 – NYC-WTC_000202065
Laboratory report detailing lead concentration results from dust wipe samples collected at PS 89M on January 31, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202066
Laboratory report detailing lead concentration results from dust wipe samples collected at PS 89M on February 15, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202067
Laboratory report detailing lead concentration results from dust wipe samples collected at PS 89M on February 25, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202068 – NYC-WTC_000202070
Laboratory report detailing lead concentration results from dust wipe samples collected at PS 89M on March 15, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202071 – NYC-WTC_000202073
Chain of custody and sampling report for lead-in-dust wipe testing conducted at PS 89M in February 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202074 – NYC-WTC_000202077
Chain of custody and sampling report for lead-in-dust wipe testing conducted at PS 89M in March 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000202078 – NYC-WTC_000202080
Attachment page containing analytical results for silica testing associated with the NYC Board of Education project.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202081 – NYC-WTC_000202082
Letter report from ATC Associates providing air sampling results for silica-containing dust at PS 89M conducted on January 31, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202083 – NYC-WTC_000202084
Letter report from ATC Associates providing air sampling results for silica-containing dust at PS 89M conducted on February 7, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202085 – NYC-WTC_000202086
Laboratory analytical results document from ATC Associates for the NYC Board of Education dated March 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202087 – NYC-WTC_000202088
Letter report from ATC Associates providing air sampling results for silica-containing dust at PS 89M conducted on March 14, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202089 – NYC-WTC_000202090
Laboratory analytical results for mercury vapor in air samples collected at PS 89M on December 15, 2001.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202091 – NYC-WTC_000202092
Letter report from ATC Associates providing air sampling results for mercury vapor at PS 89M conducted on February 21, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202093 – NYC-WTC_000202094
Letter report from ATC Associates providing air sampling results for mercury vapor at PS 89M conducted on March 21, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202095 – NYC-WTC_000202097
Laboratory analytical results document from ATC Associates for the NYC Board of Education dated February 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202098 – NYC-WTC_000202100
Laboratory analytical results document from ATC Associates for the NYC Board of Education dated April 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202101 – NYC-WTC_000202103
Letter report from ATC Associates providing results for polychlorinated dibenzo-p-dioxins and furans wipe samples collected at PS 89M on January 25, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202104 – NYC-WTC_000202105
Letter report from ATC Associates providing results for polychlorinated dibenzo-p-dioxins and furans wipe samples collected at PS 89M on January 31, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202106 – NYC-WTC_000202107
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on February 7, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202108 – NYC-WTC_000202114
Appendix B from a laboratory report containing analytical data for samples collected at the World Trade Center site.
Education, Dept. of · 7 pages
- added
NYC-WTC_000202115 – NYC-WTC_000202116
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on February 14, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202117 – NYC-WTC_000202118
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on February 22, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202119 – NYC-WTC_000202120
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on March 1, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202121 – NYC-WTC_000202122
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on March 8, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202123 – NYC-WTC_000202137
Attachment containing laboratory analysis results for polychlorinated dibenzo-p-dioxins and dibenzofurans at the NYC WTC site.
Education, Dept. of · 15 pages
- added
NYC-WTC_000202138
Page of analytical results from Analytical Services for ATC Associates project regarding environmental testing samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202139 – NYC-WTC_000202142
ATC Associates report on indoor air quality measurements collected at P.S. 89M on March 11, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000202143 – NYC-WTC_000202144
Chain of custody record for gravimetric samples collected at the World Trade Center site for laboratory analysis.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202145 – NYC-WTC_000202146
Chain of custody record for respirable particulate (PM2.5) samples collected at the World Trade Center site.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202147 – NYC-WTC_000202148
ATC Associates report on respirable particulate sampling conducted at P.S. 89M on September 23-24, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202149 – NYC-WTC_000202150
Laboratory data for asbestos fiber analysis by transmission electron microscopy at the P.S. 89M playground site.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202151 – NYC-WTC_000202166
Detailed transmission electron microscopy data for asbestos air samples collected under NYC Board of Education project.
Education, Dept. of · 16 pages
- added
NYC-WTC_000202171 – NYC-WTC_000202172
ATC Associates report on volatile hydrocarbon air sampling conducted at P.S. 89M on August 16, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202173 – NYC-WTC_000202177
Page of analytical results for volatile organic compounds from ATC Associates project at P.S. 89M.
Education, Dept. of · 5 pages
- added
NYC-WTC_000202178 – NYC-WTC_000202179
ATC Associates report on polychlorinated dibenzo-p-dioxins and dibenzofurans collected at P.S. 89M on August 20, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202184 – NYC-WTC_000202185
Analytical Services report on polychlorinated biphenyls collected from wipe samples at P.S. 89M on January 25, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202186 – NYC-WTC_000202187
ATC Associates report on polychlorinated biphenyls collected from wipe samples at P.S. 89M in January and February 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202188
Chain of custody form for samples submitted to a laboratory in Reading, Pennsylvania for analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202189 – NYC-WTC_000202190
Chain of custody form for hydrocarbon samples sent to an analytical laboratory from PS 89M in February 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202191 – NYC-WTC_000202192
Letter reporting air sampling results for volatile hydrocarbon compounds conducted at PS 89M on January 31, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202193
Chain of custody document from PSC Analytical Services tracking samples for the Education Department.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202194 – NYC-WTC_000202195
Letter reporting air sampling results for volatile hydrocarbon compounds conducted at PS 89M on March 21, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202196 – NYC-WTC_000202197
Letter reporting wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at PS 89M in May 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202198 – NYC-WTC_000202199
Letter reporting wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at PS 89M on May 16, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202200 – NYC-WTC_000202201
Letter reporting wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at PS 89M on May 23, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202202
Letter reporting air sampling results for mercury vapor conducted at PS 89M between May and June 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202203
Chain of custody document from PSC Analytical Services tracking samples for the Education Department.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202204
Page of analytical results for volatile organic compounds from samples collected at PS 89M in May 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202205 – NYC-WTC_000202212
Field report documenting indoor air quality measurements including temperature and humidity at PS 89M on February 7, 2002.
Education, Dept. of · 8 pages
- added
NYC-WTC_000202213 – NYC-WTC_000202216
Letter reporting indoor air quality measurements collected at PS 89M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000202217 – NYC-WTC_000202218
Letter reporting wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at PS 89M in April 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202219 – NYC-WTC_000202220
Letter reporting wipe sample results for polychlorinated dibenzo-p-dioxins and dibenzofurans collected at PS 89M in April 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202221 – NYC-WTC_000202227
Laboratory analysis report for wipe samples collected at PS 89M and analyzed in early May 2002.
Education, Dept. of · 7 pages
- added
NYC-WTC_000202228 – NYC-WTC_000202229
Letter reporting air sampling results for volatile hydrocarbon compounds conducted at PS 89M in April 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202230 – NYC-WTC_000202234
Page of analytical results for volatile organic compounds from samples collected at PS 89M in April 2002.
Education, Dept. of · 5 pages
- added
NYC-WTC_000202235
Page of analytical results for volatile organic compounds from samples collected at PS 89M in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202236 – NYC-WTC_000202238
Page of analytical results for metal concentrations from air filter samples collected at PS 89M in April 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000202240 – NYC-WTC_000202241
Letter reporting air sampling results for metals in airborne dust conducted at PS 89M on April 25, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202242
Laboratory report detailing analytical results for polychlorinated biphenyls in wipe samples from a Department of Education school.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202243
Laboratory order form for PCB testing submitted by ATC Associates on behalf of the NYC Board of Education in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202244
Laboratory report documenting polychlorinated biphenyl analysis results for wipe samples collected at a Department of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202245 – NYC-WTC_000202246
Letter report from ATC Associates providing air sampling results for silica-containing dust conducted at a New York City public school.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202247
Letter report transmitting transmission electron microscopy results for asbestos air samples from floors one through five of a school building.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202248
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_000202249
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_000202252
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202253 – NYC-WTC_000202254
Chain of custody document tracking the collection, handling, and transfer of air monitoring samples for environmental testing.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202255
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_000202256
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202257 – NYC-WTC_000202258
Letter report detailing transmission electron microscopy results for asbestos fiber analysis at a school playground and roof area.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202261
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202262
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202263
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202264
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_000202265
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202266
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_000202267
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_000202268
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_000202269
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_000202270
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_000202271
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202272
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_000202273
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_000202274
Technical data sheet recording microscopic analysis parameters and counts for asbestos fiber identification in air samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000202275
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_000202276 – NYC-WTC_000202277
Letter report providing transmission electron microscopy results for asbestos clearance verification at a school playground and roof area.
Education, Dept. of · 2 pages
- added
NYC-WTC_000202278
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_000202279
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