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 · Environmental permits and stipulations for lower Manhattan sites
13355 pages · 3052 documents — open this topic's documents →
HVAC systems permits and inspections for lower Manhattan buildings3474 pages · 538 documentsEnvironmental permits, inspections, and correspondence for heating and cooling systems in World Trade Center district buildings, 2002. · Boxes DEP Box 01, DEP Box 39, DEP Box 02, DEP Box 31 · Click to open documentsWater supply and security infrastructure assessments2136 pages · 198 documentsEnvironmental testing, inspections, and security evaluations of NYC water systems and critical infrastructure following 9/11. · Boxes DEP Box 06, DEP Box 07, DEP Box 11, DEP Box 26 · Click to open documentsAir quality and health correspondence for lower Manhattan post-9/11 response1898 pages · 421 documentsInteragency email, hotline reports, and meeting records addressing air quality concerns and health impacts in lower Manhattan following World Trade Center collapse. · Boxes DEP Box 26, DEP Box 43, DEP Box 06, DEP Box 11 · Click to open documentsEPA and agency coordination on World Trade Center environmental compliance1499 pages · 335 documentsCorrespondence and meeting records coordinating environmental testing, inspections, and regulatory compliance with EPA, OSHA, CDC, and other agencies. · Boxes DEP Box 42, DEP Box 11, DEP Box 26, DEP Box 05 · Click to open documentsWater drainage and sewer system permits for World Trade Center and lower Manhattan tunnels811 pages · 157 documentsEnvironmental permits, engineering calculations, and drainage infrastructure plans for underground water systems and tunnel connections in lower Manhattan, 1980s. · Boxes DEP Box 44, DEP Box 07, 7DCAS, DEP Box 41 · Click to open documentsHVAC system air quality audits and wipe sampling799 pages · 381 documentsPost-9/11 environmental testing of heating and ventilation systems at lower Manhattan buildings, including PAH sample results and air quality assessments. · Boxes DEP Box 43, DEP Box 03, DEP Box 31, DEP Box 05 · Click to open documentsIndoor air quality referrals and DEP environmental testing753 pages · 216 documentsPost-9/11 environmental testing records, inspection referrals, and correspondence between NYC agencies regarding air quality at lower Manhattan buildings. · Boxes DEP Box 09, DEP Box 45, DEP Box 01, DEP Box 46 · Click to open documentsIndoor air quality and HVAC system correspondence with EPA and FEMA, 2002–2003722 pages · 280 documentsInter-agency email exchange regarding indoor air monitoring procedures, HVAC action plans, and environmental compliance following World Trade Center collapse. · Boxes DEP Box 42, DEP Box 05, DEP Box 11, DEP Box 26 · Click to open documentsBuilding operation permits and pavement work authorizations708 pages · 240 documentsDepartment of Transportation permits for construction activities and roadway work at lower Manhattan sites, 2002. · Boxes DEP Box 52, DEP Box 34, DEP Box 45, DEP Box 47 · Click to open documentsIndoor air quality working group meetings and correspondence303 pages · 145 documentsInteragency coordination meetings and email communications among EPA, CDC, OSHA, and NYC health agencies on indoor air testing and remediation. · Boxes DEP Box 42, DEP Box 05, DEP Box 03, DEP Box 43 · Click to open documentsWTC building facade and roof cleaning permits and environmental testing136 pages · 88 documentsPost-9/11 correspondence and records related to cleaning and environmental inspection of World Trade Center structures, 2001-2002. · Boxes DEP Box 03, DEP Box 43, DEP Box 09, DEP Box 07 · Click to open documentsStreet and roadway permits and inspections116 pages · 53 documentsDepartment of Transportation permits for pavement work, street occupancy, and roadway maintenance in lower Manhattan post-9/11. · Boxes DEP Box 01, DEP Box 47, DEP Box 52, DEP Box 35 · Click to open documents
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