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Legal hold notice for WTC documents, undated

Machine-extracted title · confidence 98%

Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.

NYC-WTC_000148192–000148619

Folder label: “AIR ASBESTOS MONITORING REPORTS

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Scanned page image, NYC-WTC_000148578
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NYC 9/11 Public Portal Document

NYC / ER (Oct 4) - PCBs O Trace amounts detected in 3 of 10 samples below levels of concern. o 7 samples did not detect any PCBs. O All sample results were below EPA Removal Action guidelines. NYC / ER (Oct 12) - Volatile organics (TAGA) O General decease in overall volatile organic levels (including benzene) noted in plume samples collected in debris area as compared to data previously reported. O Benzene exceeded OSHA TWA PEL at one location on the debris pile in the plume at ground level. . NYC /ER (Oct 12) - Particulate Monitoring (Dataram) O Levels noted at three locations (Stations L, M and N) were well below the OSHA TWA (respirable) for particulates. Bulk/Dust Samples Fresh Kills (Oct 11) - Asbestos

O O Asbestos was not detected in 7 of 8 samples collected from various steel and debris piles. 1 sample from bulk steel identified with 2.68% chrysolite. NYC / ER (Sep 26) - Dioxin O 1 sample obtained from the lobby of 110 Greenwich was below the EPA residential cleanup goal of 1 ppb. Direct Reading Instruments

NYC / ER (Oct 12) O One location (Greenwich and Liberty) reported carbon monoxide level of 13 ppm. Concentration is above NAAQS (8 hr avg) of 9 ppm but below NAQQS (1 hr avg) of 35 ppm and also below OSHA PEL of 50 ppm.

NYC-WTC 000148578

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NYC-WTC_000148578Source: NYC Law Department, mirrored locally

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