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Environmental sampling summary for PS/IS 89M, February 2002

Machine-extracted title · confidence 100%

Cover letter summarizing wipe and air sampling results for various contaminants at a city school.

NYC-WTC_000096419–000096459

Folder label: “201 WARREN STREET Block: 16 Lot: 220

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NYC 9/11 Public Portal Document

Attn: N.Y.C. School Construction Authority Received: 1/11/02 5:30:00 AM

30-30 Thomson Avenue ATC Group #: 6303 Long Island City NY 11101 Analysis Date: 1;11/02 Fax: _ Phone: Project: I.S. 89M 201 Warren Street, New York, NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed' by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Ivor: Asbestos Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.5-5 511 (S/cc) (S/mm) (S/cc) Notes 20 1354.00 0.0450. 0 None Detected 0 0 0.0046 6303 -19 <22.24 . <0.0046

1345.00 0.0450 0 None Detected 0 0 0.0046 <22.24 6303 -20 <0.0046

-- 1345.00 0.0450 0 None Detected 0 0 6303 -21 0.0046. <22.24 <0.0046

• 1336.00 0.0450 0 None Detected 0 0 0.0047 < 22.24 <0.0047 6303 -22

24 1836.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6303 23 .

65 1836.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6303 -24

26 1845.00 0.0450 0 None Detected 0 0 0.0046 <22.24 6303 -25 <0.0046

77 1845.00 0.0450 0 None Detected .0 0 0.0046 <22.24 6303 -26 <0.0046

78 1845.00 0.0450 , 0 None Detected 0 0 0.0046 <22.24 6303 -27 <0.0046

29 1827.00. 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6303 -28 .

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D Analyzed by: /~ Approved by:

Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported in structures/mm'. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality control data (including 95°'0 confidence limits and laboratory and analysis accuracy and precision) is available upon request. Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

NYC-WTC 000096433

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NYC-WTC_000096433Source: NYC Law Department, mirrored locally

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