NYC-WTC_000207852

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street New York NY 10010 Phone (212) 353 8280 Fax (212)353 8306 Owe Attn Mr Bernard Orlan Received 8/21/02 5 00 00 PM NYC Board of Education ATC Group # 8730 28 11 Queens Plaza North Analysis Date 8/22/02 Long Island City NY 11101 Fax (212)475 4122 Phone (212) 477 8941

Project NYC BOE PS 126M 80 Catherine St NY NY Thiouehout The Building <S. Roof

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos fl Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0 5fi5 5p (S/cc) (S/mm) (S/cc) Notes

01 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 8730 I

07 1928 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 8730 2

03 1920 00 0 0450 0 None Detected 0 0 0 0045 <22 24 <0 0045 S73 0 3

04 1944 00 0 0450 0 None Detected 0 0 0 0044 <72 24 <0 0044 8730 4

05 1936 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 S?30 5

06 1944 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 S730 6

07 1944 00 0 0450 0 None Detected 0 0 0 0044 <22 24 <0 0044 8730 7

ROMAN PEYSAKHOV MICHAELA GORYCKl PhD

Analyzed by Approved by

Disclaimer The laboratory is not responsible for data reported in structures/cc which is dependent on volume colledted by non laboratory personnel This lanis onl^responsible for data reported in structures/mm This report may not be reproduced except in full without wntten approval by ATC Associates Inc This report may not be uSedlo 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 / confidence limits and laboratory and analysis accuracy and precision) is available upon request

Accredited for NVLAP PLIWTEM #101187-0 NY State ELAP #10879

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NYC-WTC_000207852