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_000194663
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_000194664
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_000194665
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_000194666
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_000194667
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_000194668
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_000194669
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_000194670
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_000194671
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_000194672
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_000194673
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_000194674
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_000194675
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_000194676
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_000194677
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_000194678
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_000194679
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_000194680
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_000194681
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_000194682
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_000194683
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_000194684
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_000194685
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_000194686
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_000194687
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_000194688
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_000194689
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_000194690
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_000194691
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_000194692
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_000194693
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_000194694
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_000194695
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_000194696
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_000194697
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_000194698
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_000194699
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_000194700
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_000194701
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_000194702
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_000194703
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_000194704
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_000194705
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_000194706
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_000194707
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_000194708
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_000194709
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_000194710
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_000194711
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_000194712
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_000194713
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_000194714 – NYC-WTC_000194716
Formal analytical report from ATC Associates detailing transmission electron microscopy results for asbestos fibers in air samples from a New York City Board of Education building.
Education, Dept. of · 3 pages
- added
NYC-WTC_000194717
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_000194718
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_000194719
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_000194720
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_000194721
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_000194722
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_000194723
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_000194724
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_000194725
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_000194726
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_000194727
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_000194728
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_000194729
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_000194730
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_000194731
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_000194732
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_000194733
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_000194734
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_000194735 – NYC-WTC_000194736
Cover letter and report from ATC Associates regarding dioxin wipe samples collected at PS 89M in April 2002 for the NYC Board of Education.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194737
Laboratory report from Ace Analytical detailing Method 8290 analysis of a wipe sample collected on April 18, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194738
Laboratory report from Ace Analytical detailing Method 8290 analysis of a wipe sample collected on April 25, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194739 – NYC-WTC_000194740
Cover letter and report from ATC Associates regarding dioxin wipe samples collected at PS 89M in April 2002 for the NYC Board of Education.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194741
Laboratory report documenting the analysis of a spike control sample collected and processed in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194742
Laboratory report documenting the analysis of a field blank sample collected and processed in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194743
Laboratory report documenting the analysis of a field blank sample collected and processed in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194744
Laboratory report of chemical analysis by Method 8290 for wipe samples collected from the World Trade Center disaster site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194745
Laboratory report documenting the analysis of a field blank sample collected and processed in April 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194746 – NYC-WTC_000194747
Cover letter and report from ATC Associates regarding dioxin wipe samples collected at PS 89M in March 2002 for the NYC Board of Education.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194762
Laboratory analysis report for dioxins and dibenzofurans in a wipe sample collected at PS 89M on March 8, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194763 – NYC-WTC_000194764
Letter reporting results of wipe samples for dioxins and dibenzofurans collected at PS 89M on March 1, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194765
Laboratory analysis report for dioxins and dibenzofurans in a wipe sample collected at PS 89M on March 1, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194766 – NYC-WTC_000194767
Letter reporting results of wipe samples for dioxins and dibenzofurans collected at PS 89M on February 22, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194768 – NYC-WTC_000194769
Letter reporting results of wipe samples for dioxins and dibenzofurans collected at PS 89M on February 14, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194770
Legal chain of custody document used to track the handling and transfer of environmental samples collected at a school site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194771
Laboratory analysis report for dioxins and dibenzofurans in a wipe sample collected at PS 89M on February 14, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194772 – NYC-WTC_000194773
Letter reporting results of wipe samples for dioxins and dibenzofurans collected at PS 89M on February 7, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194774
Laboratory analysis report for dioxins and dibenzofurans in a wipe sample collected at PS 89M on February 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194775 – NYC-WTC_000194779
Data log recording aerosol concentration measurements in micrograms per cubic meter at a school site on February 11, 2002.
Education, Dept. of · 5 pages
- added
NYC-WTC_000194780 – NYC-WTC_000194781
Laboratory attachment documenting the analysis of gravimetric samples collected at a school site for particulate matter assessment.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194782
Results sheet from an accredited environmental testing laboratory for samples submitted by ATC Associates to the Board of Education.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194783 – NYC-WTC_000194784
Laboratory attachment documenting the analysis of gravimetric samples collected at a school site for particulate matter assessment.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194785
Results sheet from an accredited environmental testing laboratory for samples submitted by ATC Associates to the Board of Education.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194786 – NYC-WTC_000194787
Laboratory attachment documenting the analysis of hydrocarbon compounds in samples collected at a school site.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194788 – NYC-WTC_000194789
Letter reporting results of air sampling for hydrocarbon compounds conducted at PS 150M on March 18, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194794
Legal chain of custody document used to track the handling and transfer of environmental samples collected at a school site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000194795 – NYC-WTC_000194796
Letter detailing a site visit and settled dust bulk sampling for fiberglass content at PS 150M on February 4, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000194797 – NYC-WTC_000194801
Field report documenting indoor air quality measurements and observations at PS 150M on February 6, 2002.
Education, Dept. of · 5 pages
- added
NYC-WTC_000194802 – NYC-WTC_000194806
Field report documenting indoor air quality measurements including temperature, humidity, and CO levels at PS 150M on February 6, 2002.
Education, Dept. of · 5 pages