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_000178641 – NYC-WTC_000178642
Laboratory report detailing lead concentration results from dust wipe samples collected at P.S. 234M on January 22, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178643 – NYC-WTC_000178644
Chain of custody form and correspondence regarding settled dust bulk sampling for fiberglass at P.S. 234M on January 29, 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178645 – NYC-WTC_000178646
Blank or partially filled bulk asbestos analysis form from ATC Associates for the NYC Board of Education project.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178647
Certificate of accreditation from NIST recognizing ATC Associates Inc. as an environmental laboratory for asbestos analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178648
Combined form containing chain of custody documentation and laboratory results for settled dust bulk samples from P.S. 234M.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178649
Document outlining the scope of NVLAP accreditation for ATC Associates Inc. regarding bulk asbestos fiber analysis.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178650 – NYC-WTC_000178652
Laboratory data sheet for bulk asbestos analysis conducted by ATC Associates for the NYC Board of Education project.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178653
Certificate of approval from the New York State Department of Health authorizing ATC Associates for environmental analyses.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178654 – NYC-WTC_000178656
Completed bulk asbestos analysis sheet containing PLM and gravimetric results for samples from P.S. 234M dated June 6, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178657
Report of transmission electron microscopy analysis results for air samples collected at P.S. 150M on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178658
Technical data sheet for TEM grid analysis of air sample number 1 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178659
Technical data sheet for TEM grid analysis of air sample number 2 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178660
Technical data sheet for TEM grid analysis of air sample number 3 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178661
Technical data sheet for TEM grid analysis of air sample number 4 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178662
Technical data sheet for TEM grid analysis of air sample number 5 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178663
Technical data sheet for TEM grid analysis of air sample number 6 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178664
Technical data sheet for TEM grid analysis of air sample number 7 from P.S. 150M collected on May 7, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178666 – NYC-WTC_000178669
Chain of custody form and sample data for fiberglass bulk sampling at P.S. 234M conducted on April 13, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178670 – NYC-WTC_000178678
Laboratory analysis sheet from ATC Associates for bulk asbestos samples collected by the New York City Board of Education.
Education, Dept. of · 9 pages
- added
NYC-WTC_000178679 – NYC-WTC_000178687
Blank or partially filled laboratory analysis form from ATC Associates for bulk asbestos testing requested by the Board of Education.
Education, Dept. of · 9 pages
- added
NYC-WTC_000178688
Certificate of accreditation from NVLAP for ATC Associates regarding bulk asbestos fiber analysis methods effective through 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178689 – NYC-WTC_000178692
Chain of custody documentation for bulk asbestos samples collected at P.S. 234M as part of an AHERA inspection project.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178693
New York State Department of Health approval certificate for ATC Associates to perform environmental analyses on solid and hazardous waste.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178698
State health department certification authorizing ATC Associates to analyze lead in solid and hazardous waste samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178699 – NYC-WTC_000178700
Letter describing a site visit to P.S. 150M for limited settled dust bulk sampling to test for fiberglass fiber content.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178701 – NYC-WTC_000178702
Follow-up correspondence regarding a second site visit to P.S. 150M for fiberglass dust sampling conducted by ATC Associates.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178703 – NYC-WTC_000178705
Laboratory report detailing analytical results for air samples collected at P.S. 150M, including aluminum concentration data.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178706 – NYC-WTC_000178708
Laboratory report containing analytical results for air samples collected at P.S. 150M on June 17, 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178709
New York State Department of Health certification for ATC Associates to perform environmental analyses on air and emissions.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178710
Document confirming NVLAP accreditation for ATC Associates to determine asbestos in bulk materials using EPA methods.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178711
State health department certification for ATC Associates covering environmental analyses of solid and hazardous waste samples.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178712
Certificate from the New York State Department of Health approving ATC Associates for environmental analysis services.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178714 – NYC-WTC_000178716
Report prepared by ATC Associates documenting limited lead-in-dust wipe sampling conducted at P.S. 150M in May 2002.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178717 – NYC-WTC_000178718
Laboratory report presenting EPA method analysis results for lead concentration in dust wipe samples from P.S. 150M.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178719
New York State Department of Health certification for ATC Associates to conduct environmental analyses on solid and hazardous waste.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178720 – NYC-WTC_000178722
Report documenting limited lead-in-dust wipe sampling conducted at P.S. 150M in June 2002 for the New York City Board of Education.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178723 – NYC-WTC_000178725
Documentation of lead-in-dust wipe sampling activities at P.S. 150M prepared by ATC Associates for the Board of Education.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178726 – NYC-WTC_000178729
Letter from ATC Associates providing indoor air quality measurement results collected at P.S. 150M prior to re-occupancy.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178730 – NYC-WTC_000178733
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M on April 18, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178734 – NYC-WTC_000178737
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 18, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178738 – NYC-WTC_000178741
Detailed field log of indoor air quality parameters and observations recorded at P.S. 150M on April 18, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178742 – NYC-WTC_000178745
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 22, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178746 – NYC-WTC_000178749
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on April 23, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178750 – NYC-WTC_000178753
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in April 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178754 – NYC-WTC_000178757
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 17, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178758 – NYC-WTC_000178761
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 24, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178762 – NYC-WTC_000178765
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 28, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178766 – NYC-WTC_000178769
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 31, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178770 – NYC-WTC_000178774
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in June 2002.
Education, Dept. of · 5 pages
- added
NYC-WTC_000178775 – NYC-WTC_000178778
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on May 29, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178779 – NYC-WTC_000178782
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in June 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178783 – NYC-WTC_000178786
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on June 10, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178787 – NYC-WTC_000178790
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in June 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178791 – NYC-WTC_000178794
Cover letter from ATC Associates submitting indoor air quality measurements collected at P.S. 150M on June 18, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178795 – NYC-WTC_000178798
Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in June 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000178799
Analytical services report from ATC Associates detailing polychlorinated biphenyl results for a wipe sample collected on April 22, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178800
Transmission electron microscopy data sheet documenting asbestos fiber analysis results for an air sample collected on March 3, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178801
Transmission electron microscopy data sheet documenting asbestos fiber analysis results for an air sample collected on January 11, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178802
Form documenting the collection and chain of custody for a bulk asbestos sample at building M894 (90 Trinity Place) for AHERA reinspection.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178803 – NYC-WTC_000178804
Correspondence from ATC Associates to the NYC Board of Education confirming a site visit on May 23, 2002, to collect settled dust samples for fiberglass analysis.
Education, Dept. of · 2 pages
- added
NYC-WTC_000178805 – NYC-WTC_000178807
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178808
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178809
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178810
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178811
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178812
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178813
Document combining a chain of custody form with laboratory results for settled dust samples collected at the World Trade Center site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178814
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178815
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178816
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178817
Confidential document combining a chain of custody form with laboratory results for settled dust samples collected at the World Trade Center site.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178818
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178819
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178820
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178821
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178822
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178823
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178824
Laboratory data sheet recording the microscopic analysis of a bulk sample for asbestos content using an Olympus microscope.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178825
Document showing NVLAP accreditation for bulk asbestos fiber analysis by ATC Associates Inc. dated June 30, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178826
Laboratory analysis sheet from ATC Associates for bulk asbestos testing conducted in October 2001.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178827
Confidential chain of custody form for settled dust bulk samples subject to protective order from September 2008.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178831
Analytical results page from ATC Associates for work order R02030173 dated March 2002 regarding environmental testing.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178832
Analytical results page from ATC Associates for work order R02040632 dated April 2002 regarding environmental testing.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178833 – NYC-WTC_000178842
Field report from ATC Associates documenting indoor air quality measurements at 100 Trinity Place on March 7, 2002.
Education, Dept. of · 10 pages
- added
NYC-WTC_000178843
Chain of custody form for bulk samples from 100 Trinity Place analyzed for fiberglass on March 9, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178844 – NYC-WTC_000178846
Laboratory analysis sheet from ATC Associates for bulk asbestos testing conducted in October 2001.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178847 – NYC-WTC_000178849
Laboratory analysis sheet from ATC Associates for bulk asbestos testing conducted in November 2001.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178850 – NYC-WTC_000178852
Laboratory analysis sheet from ATC Associates for bulk asbestos testing conducted in November 2001.
Education, Dept. of · 3 pages
- added
NYC-WTC_000178854
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178855
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178856
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178857
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178858
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178859
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178860
Technical data sheet recording microscopic analysis parameters and results for an air sample collected at a NYC Board of Education facility.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178861
Laboratory report documenting transmission electron microscopy analysis of a bulk asbestos sample from the NYC Board of Education dated March 16, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000178862
Laboratory report documenting transmission electron microscopy analysis of an air asbestos sample from the NYC Board of Education dated March 16, 2002.
Education, Dept. of · 1 pages