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.
← Whole collection · Asbestos and particulate air sampling reports
17824 pages · 3551 documents — open this topic's documents →
Indoor air quality and building system testing at lower Manhattan sites5607 pages · 657 documentsEnvironmental sampling, HVAC inspections, and contamination testing at World Trade Center and nearby buildings following 9/11. · Boxes DEP Box 02, DEP Box 05, DEP Box 37, DEP Box 48 · Click to open documentsAsbestos removal and roof cleaning contracts for lower Manhattan buildings3110 pages · 420 documentsPost-9/11 asbestos abatement invoices, permits, and project contracts for nearby office buildings, 2002. · Boxes DEP Box 34, DEP Box 47, DEP Box 39, DEP Box 52 · Click to open documentsAir and particulate sampling reports with chain-of-custody documentation2307 pages · 589 documentsLaboratory analysis records for asbestos, lead, and volatile organic compounds from post-9/11 lower Manhattan building inspections. · Boxes DEP Box 01, DEP Box 35, DEP Box 39, DEP Box 42 · Click to open documentsEnvironmental air and asbestos testing reports and permits2252 pages · 439 documentsPost-9/11 environmental testing, inspection certificates, and regulatory permits for lower Manhattan buildings. · Boxes DEP Box 35, DEP Box 02, DEP Box 36, DEP Box 33 · Click to open documentsLead and PCB environmental testing and remediation records1783 pages · 352 documentsSoil sampling, analytical results, and cleanup standards documentation for lead and polychlorinated biphenyl contamination at lower Manhattan sites. · Boxes DEP Box 58, DEP Box 62, 7FDNY, FDNY · Click to open documentsAsbestos and lead field testing reports, lower Manhattan1109 pages · 163 documentsIndoor environmental quality surveys and regulatory compliance testing for asbestos and lead contamination at World Trade Center vicinity buildings post-9/11. · Boxes DEP Box 02, DEP Box 33, DEP Box 50, DEP Box 51 · Click to open documentsHVAC and environmental testing reports for lower Manhattan buildings532 pages · 254 documentsPost-9/11 air quality and mechanical systems inspection reports for Broadway and Cedar Street properties. · Boxes DEP Box 38, DEP Box 35, DEP Box 37, Asbestos - BOX 6 · Click to open documentsAir quality chain of custody and turnaround time records484 pages · 252 documentsLaboratory documentation for air sample analysis including custody forms, turnaround protocols, and project tracking from post-9/11 testing operations. · Boxes DEP Box 54, DEP Box 06 · Click to open documentsPhase contrast microscopy air sample analysis reports371 pages · 177 documentsLaboratory air quality testing reports using PCM analysis methods at World Trade Center sites, 2001-2002. · Boxes DEP Box 42, DEP Box 02, DEP Box 48, DEP Box 01 · Click to open documentsVolatile organic compound and lubricant testing chain of custody records269 pages · 248 documentsEnvironmental sampling documentation and chain of custody forms for VOC and petroleum product analysis following World Trade Center site remediation. · Click to open documents
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.