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← Document results/DEP Box 02/107 WALL STREET Block: 35 Lot: 10
Document / 19 pages

Chain of custody form, 100 Wall Street, Sep 2001

Machine-extracted title · confidence 90%

EMSL Analytical chain of custody document tracking samples from 100 Wall Street collected on September 14, 2001.

NYC-WTC_000094824–000094842

Folder label: “107 WALL STREET Block: 35 Lot: 10

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Scanned page image, NYC-WTC_000094836
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document 05/021.02 THU 13:03 FAX 212 657 8333 CITIBANK/CRS Z 013 • Oct-O?-Zcat 10:lCpm From- T-816 P.003/005 F-TT0

Hydrogen sulfide is a colorless gas with a strong odor that can o$e= use present after or during a fro. The OSHA Permissible Exposure Limit (PEL) is 10 ppm. in the subject space, levels were found to be below the limit of detection of I ppm. These levels Were below the rerrommanded Bruits.

Levels of combustible gasses should remain below 1% and nevver exceed 10% in a space. Levels of combustible gasses in the subject space remained below the limit of detection of 1%.

Air samples rake► in the subject space and analyzed for the presence of asbestos were found to be below both the OSHA recommended limit of 0.1 ttbws/cc, and the more Conservative New York City recommended limit of 0.01 fibers/cc.

Should you bave any additional questions or require additional information, please feel free to contact (908) 688-7800.

Sincerely.

HFLLMANN ENVIRONMENTAL GROUP, LLC

&4_ 4,ennuificr L. C lline, TM LEAvironr>~ttat Specialist

jcoTins@hill Isrei roup_corn www.hillmanu reinsert

10/03/01 WED 1006 [TX/RX NO 66101

NYC-WTC 000094836

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NYC-WTC_000094836Source: NYC Law Department, mirrored locally

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