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← Document results/DEP Box 50/99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST
Document / 58 pages

Asbestos bulk sampling lab report, 99 Church Street, May 2002

Machine-extracted title · confidence 95%

Laboratory results for confirmatory asbestos bulk sampling conducted on the roofs of 99 Church Street in May 2002.

NYC-WTC_000124246–000124303

Folder label: “99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST

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NYC 9/11 Public Portal Document

ATC ENVIRONMENTAL, INC. APPROVED NY STATE DOH ELAP # 10879 104 East 25th Street ACCREDITED NVLAP Lab Code # 1187

e New York, NY 10010

Summary of TEM Results

ATC Associates Inc. DATE: 10/11/01 104 East 25th Street New York, NY 10010 Mr. Ben Sallemi

------------------------------------------------------------------------------ Project/Site Identification: 99 Church Street. 99 Church St., NY, NY 8th Floor CONCLUSION: ------------------------------------------------------------------------------ STATISTICAL SUMMARY

1) Inside Samples Asbestos Concentration TEM# Protect # Volume(l) S/mm"2 S/cc nem/m"3 5660- 60863 8-2 1800 0.0 0.0048 * 5660- 60864 8-3 1800 0.0 0.0048 * 5660- 60865 8-4 1800 0.0 0.0048 * 5660- 60866 8-5 1800 0.0 0.0048 * 5660- 60867 8-6 1800 0.0 0.0048 * Average- 0.0 0.0048 0 2) Outside Samples Asbestos Concentration TEM# Protect # Volume(1) S/mm^2 S/cc nem/m"3 Average- NLA N/A N[A 3) Blanks Asbestos Concentration TEM# Protect # S/mm"2 S/cc ngm/m"3 5660- 60862 8-1 - - - - - - - - - Not Analyzed - - - - - - - - - Averagea 4) Value of T - Statistic : N/A

* None detected; concentration equivalent to analytical sensitivity assigned.

----------------------------------------------------------------------------------------------------------------------------- This test report relates only to the specific items cited in the analysis. The analysis was carried out according to the approved TEM method. The laboratory is in compliance with the quality specified for the method.

This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government.

Analyzed by: /1J Michael A. Goryc i, Ph.D. 2 Roman Peysakhov Director of Electron Microscopy

NYC-WTC 000124292

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NYC-WTC_000124292Source: NYC Law Department, mirrored locally

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