Discovery / map of subjects
Topic map
Page and document embeddings group records by subject. Region area represents pages; boxes and dates trace how a topic spreads across the collection. This is a map of subjects, never of people.
Machine-clustered topics and assignments, not a definitive index. Select a topic to zoom into its sub-topics, then a sub-topic to see its documents.
Gas chromatography-mass spectrometry analysis of WTC environmental samples84636 pages · 7113 documentsChemical analysis records documenting detection of organic compounds and contaminants in post-9/11 environmental samples using GCMS testing methods. · Boxes DEP Box 30, DEP Box 68, DEP Box 58, DEP Box 20 · Click to zoom into sub-topicsAsbestos air testing reports34686 pages · 31073 documentsTransmission electron microscopy analysis of air samples for asbestos contamination, March 2002. · Boxes DEP Box 33, DEP Box 54 · Click to zoom into sub-topicsEnvironmental permits and agency correspondence for World Trade Center site28222 pages · 6586 documentsPermits, inspections, and departmental correspondence related to environmental compliance at the World Trade Center following September 11, 2001. · Boxes 7DCAS, DEP Box 43, DEP Box 42, DEP Box 32 · Click to zoom into sub-topicsHVAC systems and indoor air quality assessment after 9/1119866 pages · 3519 documentsEnvironmental testing, inspection reports, and remediation plans for heating, ventilation, and air conditioning systems in lower Manhattan buildings. · Boxes DEP Box 05, DEP Box 11, DEP Box 43, DEP Box 26 · Click to zoom into sub-topicsAsbestos and particulate air sampling reports17824 pages · 3551 documentsPost-9/11 environmental testing documentation for asbestos and respirable particulate concentrations at lower Manhattan sites. · Boxes DEP Box 02, DEP Box 34, DEP Box 33, DEP Box 35 · Click to zoom into sub-topicsWorld Trade Center environmental referrals and indoor air quality inspections14440 pages · 4196 documentsEnvironmental testing, permits, and correspondence related to air quality assessments and agency referrals at the World Trade Center site. · Boxes 7DCAS, DEP Box 39, DEP Box 47, DEP Box 02 · Click to zoom into sub-topicsBuilding permits and boiler inspections for lower Manhattan structures10986 pages · 3026 documentsDepartment of Buildings permits, inspections, and correspondence for properties near the World Trade Center site, including boiler systems and facility certifications. · Boxes DEP Box 01, DEP Box 45, DEP Box 49, DEP Box 40 · Click to zoom into sub-topicsAsbestos and lead dust sampling reports9419 pages · 3072 documentsEnvironmental air and wipe sampling results for asbestos and lead contamination in lower Manhattan buildings following 9/11. · Boxes DEP Box 02, DEP Box 01, DEP Box 45, DEP Box 34 · Click to zoom into sub-topicsChemical and volatile organic compound testing records9312 pages · 1070 documentsLaboratory chain of custody and environmental analysis results for PCBs, phthalates, and volatile organic compounds from post-9/11 sampling. · Boxes DEP Box 62, DEP Box 61, DEP Box 19, DEP Box 31 · Click to zoom into sub-topicscalculate · verifiability · sensitivities569 pages · 198 documentscalculate · verifiability · sensitivities · abbreviations · manner · bears · increases · maimer · writing · national · plm · flap · Boxes DEP Box 54 · Click to zoom into sub-topics
Machine extraction can misread a scan. Check the source page. Stored confidence scores are extractor outputs, not a guarantee of accuracy; regex matches currently carry 1.00.