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Folder label / City-provided: DEP ROOF/FACADE CLEANING FILE
2 documents · 25 pages
23 pages
Air sample asbestos analysis, roof facade cleaning, Apr 2002 ↗
2 pagesNYC-WTC_000147703 – NYC-WTC_000147704
DOH and DEP staff review air sample analytical results and discuss asbestos fiber detection methodology and building cleaning protocols.