Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.
NYC-WTC_000124304–000124612Folder label: “99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ATC ENVIRONMENTAL, INC. APPROVED NY STATE DOH ELAP # 10879 104 East 25th Street ACCREDITED NVLAP Lab Code # 1187 New York, NY 10010
Summary of TEM Results
ATC Associates Inc. DATE: 10/12/01 104 East 25th Street New York, NY 10010 Mr. Ben Sallemi
Project/Site Identification: 99 Church Street, 99 Church St., NY NY Lobby CONCLUSION: ------------------------------------------------------------------------------ STATISTICAL SUMMARY
1) Inside Samples Asbestos Concentration TEM# Protect # Volume(1) S/mm'2 S/cc nqm/m-3 Average- L L 2) Outside Samples Asbestos Concentration TEM# Protect # Volume(1) S/mm"2 S/cc ncm/m''3 5670- 50952 L-2 1800 0.0 0.0048 5670- 60953 L-3 1800 0.0 0.0048 * 5670- 60954 L-4 1800 0.0 0.0048 * 5670- 60955 L-5 1800 0.0 0.0048 * 5670- 60956 1-6 1800 0.0 0.0048 * Average- 0.0 0.0048 0 3) Blanks Asbestos Concentration TEM# Project # S/mm"2 S/cc nqm/m"3 5670- 60951 L-1 - - - - - - - - - Not Analyzed - - - - - - - - - Averagee NLA 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: Michael A. Gorycki, Ph.D. Marek Peysakhov Director of Electron Microscopy
NYC-WTC 000124306
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