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Document / 78 pages

Special Investigative Audit #14 Draft, WTC Site, Nov 2001

Machine-extracted title · confidence 95%

Draft special investigative audit report on environmental data from the World Trade Center site prepared by IT Corporation.

NYC-WTC_000130438–000130515

Folder label: “E-Mail 1/2/02

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NYC 9/11 Public Portal Document

TREND SUMMARY

The trends described above are summarized in Tablel9.

Table 19. Target Compounds in Air - Trend Summary

.: :::::#::: 3:$:::?i:ii:i: ::: :i T d VOCs (except Freons) WTC North Tower Center Air Sept 19 - Increasing Nov 13 VOCs (except Freons) WTC South Tower (Location 1) Air Sept 29 - Increasing Nov 13 PAHs Four (4) Lower Manhattan sites Bulk Dust Sept 11 - Increasing Oct 8 Total PCBs Four (4) Lower Manhattan sites Air Sept 16 - Decreasing Oct 26 Metals Three (3) Lower Manhattan sites Air Sept 23 - Decreasing Oct 18 PM 10 Coast Guard Bldg Site 3 Air Oct 1 - Decreasing Oct 16 PM 2.5 Coast Guard Battery Park Air Oct 1 - Decreasing Rooftop Oct 16 Asbestos Lower Manhattan Air Sept 11 - Decreasing Nov 2

Asbestos Fresh Kills Landfill Air Sept 11 - Increasing Nov 2

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Summary of asbestos air sampling results from October 1, 2001, including PCM and TEM standard comparisons for NYC and NJ locations.

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